{
  "type": "FeatureCollection",
  "propertyNames": ["cruise_id", "ship", "year", "stn_no", "stn_id", "water_depth", "month_gmt", "day_gmt", "time_gmt", "depth", "PO4", "SiOH4", "NO3_NO2", "NO2", "NH4", "NO3"],
  "propertyUnits": ["dimensionless", "dimensionless", "dimensionless", "dimensionless", "dimensionless", "meters", "in GMT", "in GMT", "in GMT", "m", "micromoles/L", "micromoles/L", "micromoles/L", "micromoles/L", "micromoles/L", "micromoles/L"],
  "features": [
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3603, 60.0256] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1831",
    "depth": 0.0,
    "PO4": 1.27,
    "SiOH4": 22.19,
    "NO3_NO2": 11.14,
    "NO2": 0.15,
    "NH4": 1.25,
    "NO3": 10.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3603, 60.0256] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1831",
    "depth": 10.0,
    "PO4": 1.28,
    "SiOH4": 21.83,
    "NO3_NO2": 11.03,
    "NO2": 0.17,
    "NH4": 1.2,
    "NO3": 10.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3603, 60.0256] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1831",
    "depth": 20.0,
    "PO4": 1.18,
    "SiOH4": 22.48,
    "NO3_NO2": 11.09,
    "NO2": 0.17,
    "NH4": 1.66,
    "NO3": 10.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3603, 60.0256] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1831",
    "depth": 30.0,
    "PO4": 1.18,
    "SiOH4": 22.11,
    "NO3_NO2": 10.83,
    "NO2": 0.15,
    "NH4": 1.03,
    "NO3": 10.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3603, 60.0256] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1831",
    "depth": 40.0,
    "PO4": 1.2,
    "SiOH4": 22.09,
    "NO3_NO2": 10.72,
    "NO2": 0.13,
    "NH4": 1.36,
    "NO3": 10.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3603, 60.0256] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1831",
    "depth": 50.0,
    "PO4": 1.23,
    "SiOH4": 22.74,
    "NO3_NO2": 10.78,
    "NO2": 0.14,
    "NH4": 1.65,
    "NO3": 10.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3603, 60.0256] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1831",
    "depth": 100.0,
    "PO4": 1.3,
    "SiOH4": 23.4,
    "NO3_NO2": 11.33,
    "NO2": 0.12,
    "NH4": 1.32,
    "NO3": 11.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3603, 60.0256] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1831",
    "depth": 150.0,
    "PO4": 1.34,
    "SiOH4": 24.05,
    "NO3_NO2": 11.22,
    "NO2": 0.1,
    "NH4": 1.5,
    "NO3": 11.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3603, 60.0256] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1831",
    "depth": 200.0,
    "PO4": 1.47,
    "SiOH4": 26.42,
    "NO3_NO2": 12.59,
    "NO2": 0.13,
    "NH4": 1.25,
    "NO3": 12.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3603, 60.0256] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1831",
    "depth": 250.0,
    "PO4": 2.07,
    "SiOH4": 41.44,
    "NO3_NO2": 18.51,
    "NO2": 0.13,
    "NH4": 2.3,
    "NO3": 18.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3603, 60.0256] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1831",
    "depth": 290.0,
    "PO4": 2.67,
    "SiOH4": 49.61,
    "NO3_NO2": 19.71,
    "NO2": 0.17,
    "NH4": 1.54,
    "NO3": 19.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4686, 59.8447] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2004",
    "depth": 0.0,
    "PO4": 1.29,
    "SiOH4": 20.87,
    "NO3_NO2": 9.01,
    "NO2": 0.18,
    "NH4": 1.72,
    "NO3": 8.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4686, 59.8447] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2004",
    "depth": 10.0,
    "PO4": 1.26,
    "SiOH4": 21.18,
    "NO3_NO2": 8.91,
    "NO2": 0.17,
    "NH4": 1.9,
    "NO3": 8.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4686, 59.8447] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2004",
    "depth": 20.0,
    "PO4": 1.32,
    "SiOH4": 21.84,
    "NO3_NO2": 9.46,
    "NO2": 0.18,
    "NH4": 1.44,
    "NO3": 9.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4686, 59.8447] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2004",
    "depth": 30.0,
    "PO4": 1.35,
    "SiOH4": 23.18,
    "NO3_NO2": 10.33,
    "NO2": 0.18,
    "NH4": 2.67,
    "NO3": 10.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4686, 59.8447] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2004",
    "depth": 50.0,
    "PO4": 1.35,
    "SiOH4": 23.49,
    "NO3_NO2": 10.39,
    "NO2": 0.17,
    "NH4": 1.4,
    "NO3": 10.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4686, 59.8447] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2004",
    "depth": 100.0,
    "PO4": 1.39,
    "SiOH4": 22.1,
    "NO3_NO2": 10.12,
    "NO2": 0.11,
    "NH4": 1.35,
    "NO3": 10.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4686, 59.8447] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2004",
    "depth": 200.0,
    "PO4": 1.42,
    "SiOH4": 23.07,
    "NO3_NO2": 10.57,
    "NO2": 0.12,
    "NH4": 1.41,
    "NO3": 10.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4686, 59.8447] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2004",
    "depth": 250.0,
    "PO4": 1.57,
    "SiOH4": 26.46,
    "NO3_NO2": 12.09,
    "NO2": 0.14,
    "NH4": 1.18,
    "NO3": 11.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4686, 59.8447] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2004",
    "depth": 265.0,
    "PO4": 1.7,
    "SiOH4": 27.8,
    "NO3_NO2": 12.15,
    "NO2": 0.16,
    "NH4": 1.74,
    "NO3": 11.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7982, 58.1028] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2000,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1155",
    "depth": 0.0,
    "PO4": 1.24,
    "SiOH4": 18.54,
    "NO3_NO2": 9.44,
    "NO2": 0.15,
    "NH4": 1.47,
    "NO3": 9.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7982, 58.1028] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2000,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1155",
    "depth": 10.0,
    "PO4": 1.23,
    "SiOH4": 16.81,
    "NO3_NO2": 9.82,
    "NO2": 0.18,
    "NH4": 1.52,
    "NO3": 9.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7982, 58.1028] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2000,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1155",
    "depth": 25.0,
    "PO4": 1.41,
    "SiOH4": 20.54,
    "NO3_NO2": 10.53,
    "NO2": 0.2,
    "NH4": 1.12,
    "NO3": 10.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7982, 58.1028] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2000,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1155",
    "depth": 50.0,
    "PO4": 1.37,
    "SiOH4": 19.15,
    "NO3_NO2": 10.1,
    "NO2": 0.19,
    "NH4": 1.15,
    "NO3": 9.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7982, 58.1028] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2000,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1155",
    "depth": 117.0,
    "PO4": null,
    "SiOH4": 17.57,
    "NO3_NO2": 13.42,
    "NO2": 0.09,
    "NH4": 1.46,
    "NO3": 13.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7982, 58.1028] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2000,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1155",
    "depth": 200.0,
    "PO4": null,
    "SiOH4": 38.05,
    "NO3_NO2": 26.66,
    "NO2": 0.17,
    "NH4": 1.73,
    "NO3": 26.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7982, 58.1028] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2000,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1155",
    "depth": 500.0,
    "PO4": null,
    "SiOH4": 66.42,
    "NO3_NO2": 42.85,
    "NO2": 0.14,
    "NH4": 0.79,
    "NO3": 42.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7982, 58.1028] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2000,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1155",
    "depth": 1500.0,
    "PO4": null,
    "SiOH4": 67.35,
    "NO3_NO2": 41.74,
    "NO2": 0.15,
    "NH4": 1.7,
    "NO3": 41.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9349, 58.2437] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK12",
    "water_depth": 2000,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1516",
    "depth": 0.0,
    "PO4": 1.38,
    "SiOH4": 18.71,
    "NO3_NO2": 9.08,
    "NO2": 0.17,
    "NH4": 1.82,
    "NO3": 8.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9349, 58.2437] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK12",
    "water_depth": 2000,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1516",
    "depth": 10.0,
    "PO4": 1.29,
    "SiOH4": 18.99,
    "NO3_NO2": 8.44,
    "NO2": 0.17,
    "NH4": 0.81,
    "NO3": 8.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9349, 58.2437] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK12",
    "water_depth": 2000,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1516",
    "depth": 20.0,
    "PO4": 1.32,
    "SiOH4": 18.29,
    "NO3_NO2": 9.11,
    "NO2": 0.19,
    "NH4": 0.82,
    "NO3": 8.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9349, 58.2437] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK12",
    "water_depth": 2000,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1516",
    "depth": 30.0,
    "PO4": 1.33,
    "SiOH4": 17.92,
    "NO3_NO2": 9.12,
    "NO2": 0.21,
    "NH4": 0.93,
    "NO3": 8.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9349, 58.2437] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK12",
    "water_depth": 2000,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1516",
    "depth": 50.0,
    "PO4": 1.4,
    "SiOH4": 20.17,
    "NO3_NO2": 10.45,
    "NO2": 0.26,
    "NH4": 0.9,
    "NO3": 10.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9349, 58.2437] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK12",
    "water_depth": 2000,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1516",
    "depth": 100.0,
    "PO4": 1.64,
    "SiOH4": 26.71,
    "NO3_NO2": 13.27,
    "NO2": 0.12,
    "NH4": 0.9,
    "NO3": 13.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9349, 58.2437] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK12",
    "water_depth": 2000,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1516",
    "depth": 134.0,
    "PO4": 2.1,
    "SiOH4": 40.48,
    "NO3_NO2": 20.05,
    "NO2": 0.08,
    "NH4": 0.79,
    "NO3": 19.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9349, 58.2437] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK12",
    "water_depth": 2000,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1516",
    "depth": 375.0,
    "PO4": 2.78,
    "SiOH4": 74.32,
    "NO3_NO2": 27.15,
    "NO2": 0.07,
    "NH4": 0.8,
    "NO3": 27.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9349, 58.2437] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK12",
    "water_depth": 2000,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1516",
    "depth": 500.0,
    "PO4": 3.19,
    "SiOH4": 94.01,
    "NO3_NO2": 32.44,
    "NO2": 0.07,
    "NH4": 0.86,
    "NO3": 32.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9349, 58.2437] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK12",
    "water_depth": 2000,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1516",
    "depth": 1000.0,
    "PO4": 3.38,
    "SiOH4": 103.18,
    "NO3_NO2": 34.1,
    "NO2": 0.06,
    "NH4": 0.85,
    "NO3": 34.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9349, 58.2437] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK12",
    "water_depth": 2000,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1516",
    "depth": 1500.0,
    "PO4": 3.35,
    "SiOH4": 162.01,
    "NO3_NO2": 34.12,
    "NO2": 0.07,
    "NH4": 0.88,
    "NO3": 34.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0808, 58.3864] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK11",
    "water_depth": 1425,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1917",
    "depth": 0.0,
    "PO4": 1.35,
    "SiOH4": 20.85,
    "NO3_NO2": 9.39,
    "NO2": 0.16,
    "NH4": 0.77,
    "NO3": 9.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0808, 58.3864] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK11",
    "water_depth": 1425,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1917",
    "depth": 10.0,
    "PO4": 1.37,
    "SiOH4": 20.48,
    "NO3_NO2": 9.4,
    "NO2": 0.17,
    "NH4": 0.99,
    "NO3": 9.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0808, 58.3864] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK11",
    "water_depth": 1425,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1917",
    "depth": 20.0,
    "PO4": 1.36,
    "SiOH4": 19.45,
    "NO3_NO2": 9.58,
    "NO2": 0.16,
    "NH4": 1.08,
    "NO3": 9.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0808, 58.3864] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK11",
    "water_depth": 1425,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1917",
    "depth": 30.0,
    "PO4": 1.27,
    "SiOH4": 17.76,
    "NO3_NO2": 8.93,
    "NO2": 0.16,
    "NH4": 1.05,
    "NO3": 8.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0808, 58.3864] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK11",
    "water_depth": 1425,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1917",
    "depth": 50.0,
    "PO4": 1.38,
    "SiOH4": 20.67,
    "NO3_NO2": 10.1,
    "NO2": 0.2,
    "NH4": 0.92,
    "NO3": 9.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0808, 58.3864] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK11",
    "water_depth": 1425,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1917",
    "depth": 100.0,
    "PO4": 1.25,
    "SiOH4": 17.34,
    "NO3_NO2": 8.79,
    "NO2": 0.16,
    "NH4": 0.88,
    "NO3": 8.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0808, 58.3864] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK11",
    "water_depth": 1425,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1917",
    "depth": 250.0,
    "PO4": 2.59,
    "SiOH4": 63.02,
    "NO3_NO2": 26.95,
    "NO2": 0.06,
    "NH4": 1.17,
    "NO3": 26.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0808, 58.3864] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK11",
    "water_depth": 1425,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1917",
    "depth": 500.0,
    "PO4": 3.06,
    "SiOH4": 86.33,
    "NO3_NO2": 30.92,
    "NO2": 0.05,
    "NH4": 0.84,
    "NO3": 30.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0808, 58.3864] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK11",
    "water_depth": 1425,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1917",
    "depth": 1000.0,
    "PO4": 3.36,
    "SiOH4": 131.68,
    "NO3_NO2": 34.23,
    "NO2": 0.04,
    "NH4": 0.84,
    "NO3": 34.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0808, 58.3864] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK11",
    "water_depth": 1425,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1917",
    "depth": 1380.0,
    "PO4": 3.32,
    "SiOH4": 131.64,
    "NO3_NO2": 33.75,
    "NO2": 0.04,
    "NH4": 0.91,
    "NO3": 33.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2121, 58.5415] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 8,
    "stn_id": "GAK10",
    "water_depth": 1465,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "2250",
    "depth": 0.0,
    "PO4": 1.37,
    "SiOH4": 20.74,
    "NO3_NO2": 10.01,
    "NO2": 0.1,
    "NH4": 0.9,
    "NO3": 9.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2121, 58.5415] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 8,
    "stn_id": "GAK10",
    "water_depth": 1465,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "2250",
    "depth": 10.0,
    "PO4": 1.19,
    "SiOH4": 17.07,
    "NO3_NO2": 8.54,
    "NO2": 0.08,
    "NH4": 0.99,
    "NO3": 8.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2121, 58.5415] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 8,
    "stn_id": "GAK10",
    "water_depth": 1465,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "2250",
    "depth": 20.0,
    "PO4": 1.33,
    "SiOH4": 20.32,
    "NO3_NO2": 9.87,
    "NO2": 0.11,
    "NH4": 0.91,
    "NO3": 9.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2121, 58.5415] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 8,
    "stn_id": "GAK10",
    "water_depth": 1465,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "2250",
    "depth": 30.0,
    "PO4": 1.23,
    "SiOH4": 17.64,
    "NO3_NO2": 9.39,
    "NO2": 0.08,
    "NH4": 1.08,
    "NO3": 9.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2121, 58.5415] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 8,
    "stn_id": "GAK10",
    "water_depth": 1465,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "2250",
    "depth": 50.0,
    "PO4": 1.34,
    "SiOH4": 19.2,
    "NO3_NO2": 10.9,
    "NO2": 0.12,
    "NH4": 0.96,
    "NO3": 10.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2121, 58.5415] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 8,
    "stn_id": "GAK10",
    "water_depth": 1465,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "2250",
    "depth": 100.0,
    "PO4": 1.46,
    "SiOH4": 21.79,
    "NO3_NO2": 12.23,
    "NO2": 0.09,
    "NH4": 0.98,
    "NO3": 12.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2121, 58.5415] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 8,
    "stn_id": "GAK10",
    "water_depth": 1465,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "2250",
    "depth": 500.0,
    "PO4": 2.62,
    "SiOH4": 66.81,
    "NO3_NO2": 26.1,
    "NO2": 0.05,
    "NH4": 0.81,
    "NO3": 26.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2121, 58.5415] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 8,
    "stn_id": "GAK10",
    "water_depth": 1465,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "2250",
    "depth": 1000.0,
    "PO4": 3.08,
    "SiOH4": 97.69,
    "NO3_NO2": 31.06,
    "NO2": 0.05,
    "NH4": 0.76,
    "NO3": 31.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2121, 58.5415] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 8,
    "stn_id": "GAK10",
    "water_depth": 1465,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "2250",
    "depth": 1470.0,
    "PO4": 3.11,
    "SiOH4": 115.08,
    "NO3_NO2": 30.58,
    "NO2": 0.05,
    "NH4": 0.83,
    "NO3": 30.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3523, 58.6809] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1105",
    "depth": 0.0,
    "PO4": 0.72,
    "SiOH4": 10.1,
    "NO3_NO2": 4.53,
    "NO2": 0.05,
    "NH4": 0.61,
    "NO3": 4.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3523, 58.6809] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1105",
    "depth": 10.0,
    "PO4": null,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": null,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3523, 58.6809] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1105",
    "depth": 20.0,
    "PO4": 0.78,
    "SiOH4": 7.05,
    "NO3_NO2": 3.07,
    "NO2": 0.05,
    "NH4": 0.51,
    "NO3": 3.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3523, 58.6809] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1105",
    "depth": 30.0,
    "PO4": 0.83,
    "SiOH4": 8.65,
    "NO3_NO2": 3.91,
    "NO2": 0.06,
    "NH4": 0.63,
    "NO3": 3.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3523, 58.6809] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1105",
    "depth": 40.0,
    "PO4": 0.78,
    "SiOH4": null,
    "NO3_NO2": 2.93,
    "NO2": 0.04,
    "NH4": 0.7,
    "NO3": 2.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3523, 58.6809] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1105",
    "depth": 50.0,
    "PO4": 0.91,
    "SiOH4": 8.89,
    "NO3_NO2": 4.43,
    "NO2": 0.12,
    "NH4": 1.95,
    "NO3": 4.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3523, 58.6809] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1105",
    "depth": 75.0,
    "PO4": 0.97,
    "SiOH4": 11.15,
    "NO3_NO2": 5.1,
    "NO2": 0.05,
    "NH4": 0.7,
    "NO3": 5.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3523, 58.6809] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1105",
    "depth": 100.0,
    "PO4": 1.28,
    "SiOH4": 16.69,
    "NO3_NO2": 7.92,
    "NO2": 0.08,
    "NH4": 1.04,
    "NO3": 7.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3523, 58.6809] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1105",
    "depth": 150.0,
    "PO4": 0.89,
    "SiOH4": 7.11,
    "NO3_NO2": 3.81,
    "NO2": 0.05,
    "NH4": 0.73,
    "NO3": 3.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3523, 58.6809] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1105",
    "depth": 200.0,
    "PO4": 1.5,
    "SiOH4": 23.18,
    "NO3_NO2": 11.24,
    "NO2": 0.09,
    "NH4": 0.86,
    "NO3": 11.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3523, 58.6809] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1105",
    "depth": 272.0,
    "PO4": 1.98,
    "SiOH4": 34.65,
    "NO3_NO2": 13.07,
    "NO2": 0.05,
    "NH4": 0.99,
    "NO3": 13.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4681, 59.8455] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 11,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1520",
    "depth": 0.0,
    "PO4": 1.76,
    "SiOH4": 21.38,
    "NO3_NO2": 8.62,
    "NO2": 0.18,
    "NH4": 0.63,
    "NO3": 8.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4681, 59.8455] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 11,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1520",
    "depth": 10.0,
    "PO4": 1.69,
    "SiOH4": 18.69,
    "NO3_NO2": 10.16,
    "NO2": 0.17,
    "NH4": 0.54,
    "NO3": 9.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4681, 59.8455] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 11,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1520",
    "depth": 20.0,
    "PO4": 1.33,
    "SiOH4": 21.03,
    "NO3_NO2": 8.82,
    "NO2": 0.15,
    "NH4": 0.97,
    "NO3": 8.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4681, 59.8455] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 11,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1520",
    "depth": 30.0,
    "PO4": 1.35,
    "SiOH4": 21.65,
    "NO3_NO2": 9.16,
    "NO2": 0.14,
    "NH4": 0.99,
    "NO3": 9.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4681, 59.8455] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 11,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1520",
    "depth": 40.0,
    "PO4": 1.37,
    "SiOH4": 21.93,
    "NO3_NO2": 9.5,
    "NO2": 0.14,
    "NH4": 0.9,
    "NO3": 9.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4681, 59.8455] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 11,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1520",
    "depth": 50.0,
    "PO4": 1.17,
    "SiOH4": 18.6,
    "NO3_NO2": 8.2,
    "NO2": 0.09,
    "NH4": 0.91,
    "NO3": 8.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4681, 59.8455] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 11,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1520",
    "depth": 100.0,
    "PO4": 1.15,
    "SiOH4": 14.94,
    "NO3_NO2": 6.89,
    "NO2": 0.05,
    "NH4": 0.76,
    "NO3": 6.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4681, 59.8455] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 11,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1520",
    "depth": 150.0,
    "PO4": 1.23,
    "SiOH4": 16.54,
    "NO3_NO2": 7.56,
    "NO2": 0.07,
    "NH4": 0.84,
    "NO3": 7.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4681, 59.8455] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 11,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1520",
    "depth": 250.0,
    "PO4": 1.11,
    "SiOH4": 15.5,
    "NO3_NO2": 7.24,
    "NO2": 0.08,
    "NH4": 1.23,
    "NO3": 7.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4681, 59.8455] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 11,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1520",
    "depth": 270.0,
    "PO4": 2.46,
    "SiOH4": 30.61,
    "NO3_NO2": 14.64,
    "NO2": 0.24,
    "NH4": 0.54,
    "NO3": 14.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3966, 59.7668] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 13,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1647",
    "depth": 0.0,
    "PO4": 1.89,
    "SiOH4": 16.74,
    "NO3_NO2": 9.23,
    "NO2": 0.15,
    "NH4": 0.6,
    "NO3": 9.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3966, 59.7668] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 13,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1647",
    "depth": 10.0,
    "PO4": 2.05,
    "SiOH4": 19.14,
    "NO3_NO2": 10.12,
    "NO2": 0.15,
    "NH4": 0.64,
    "NO3": 9.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3966, 59.7668] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 13,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1647",
    "depth": 20.0,
    "PO4": 2.29,
    "SiOH4": 20.53,
    "NO3_NO2": 10.7,
    "NO2": 0.17,
    "NH4": 0.75,
    "NO3": 10.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3966, 59.7668] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 13,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1647",
    "depth": 30.0,
    "PO4": 2.23,
    "SiOH4": 22.94,
    "NO3_NO2": 11.59,
    "NO2": 0.2,
    "NH4": 0.68,
    "NO3": 11.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3966, 59.7668] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 13,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1647",
    "depth": 40.0,
    "PO4": 2.11,
    "SiOH4": 20.93,
    "NO3_NO2": 11.06,
    "NO2": 0.21,
    "NH4": 0.63,
    "NO3": 10.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3966, 59.7668] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 13,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1647",
    "depth": 50.0,
    "PO4": 2.13,
    "SiOH4": 22.66,
    "NO3_NO2": 11.8,
    "NO2": 0.22,
    "NH4": 0.63,
    "NO3": 11.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3966, 59.7668] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 13,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1647",
    "depth": 100.0,
    "PO4": 2.17,
    "SiOH4": 22.69,
    "NO3_NO2": 12.53,
    "NO2": 0.16,
    "NH4": 0.66,
    "NO3": 12.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3966, 59.7668] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 13,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1647",
    "depth": 150.0,
    "PO4": 2.1,
    "SiOH4": 21.03,
    "NO3_NO2": 11.37,
    "NO2": 0.15,
    "NH4": 0.65,
    "NO3": 11.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3966, 59.7668] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 13,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1647",
    "depth": 200.0,
    "PO4": null,
    "SiOH4": 15.97,
    "NO3_NO2": 9.27,
    "NO2": 0.13,
    "NH4": 0.65,
    "NO3": 9.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3966, 59.7668] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 13,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1647",
    "depth": 257.0,
    "PO4": 2.31,
    "SiOH4": 25.16,
    "NO3_NO2": 13.94,
    "NO2": 0.21,
    "NH4": 0.69,
    "NO3": 13.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3265, 59.6921] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1743",
    "depth": 0.0,
    "PO4": 1.98,
    "SiOH4": 23.15,
    "NO3_NO2": 11.84,
    "NO2": 0.25,
    "NH4": 0.79,
    "NO3": 11.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3265, 59.6921] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1743",
    "depth": 10.0,
    "PO4": 1.64,
    "SiOH4": 18.78,
    "NO3_NO2": 9.9,
    "NO2": 0.24,
    "NH4": 0.73,
    "NO3": 9.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3265, 59.6921] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1743",
    "depth": 20.0,
    "PO4": 1.43,
    "SiOH4": 22.54,
    "NO3_NO2": 11.26,
    "NO2": 0.23,
    "NH4": 0.71,
    "NO3": 11.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3265, 59.6921] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1743",
    "depth": 30.0,
    "PO4": 1.64,
    "SiOH4": 17.15,
    "NO3_NO2": 8.53,
    "NO2": 0.19,
    "NH4": 0.65,
    "NO3": 8.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3265, 59.6921] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1743",
    "depth": 40.0,
    "PO4": 2.17,
    "SiOH4": 22.94,
    "NO3_NO2": 11.94,
    "NO2": 0.21,
    "NH4": 0.76,
    "NO3": 11.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3265, 59.6921] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1743",
    "depth": 50.0,
    "PO4": 2.2,
    "SiOH4": 22.97,
    "NO3_NO2": 11.89,
    "NO2": 0.19,
    "NH4": 0.74,
    "NO3": 11.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3265, 59.6921] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1743",
    "depth": 100.0,
    "PO4": 2.16,
    "SiOH4": 22.66,
    "NO3_NO2": 11.68,
    "NO2": 0.19,
    "NH4": 0.78,
    "NO3": 11.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3265, 59.6921] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1743",
    "depth": 150.0,
    "PO4": 1.98,
    "SiOH4": 17.27,
    "NO3_NO2": 9.26,
    "NO2": 0.13,
    "NH4": 0.67,
    "NO3": 9.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3265, 59.6921] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1743",
    "depth": 200.0,
    "PO4": 2.2,
    "SiOH4": 22.73,
    "NO3_NO2": 11.88,
    "NO2": 0.14,
    "NH4": 0.77,
    "NO3": 11.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3265, 59.6921] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1743",
    "depth": 223.0,
    "PO4": 2.19,
    "SiOH4": 22.76,
    "NO3_NO2": 11.83,
    "NO2": 0.15,
    "NH4": 0.74,
    "NO3": 11.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2605, 59.6275] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1846",
    "depth": 0.0,
    "PO4": 2.15,
    "SiOH4": 22.79,
    "NO3_NO2": 12.09,
    "NO2": 0.17,
    "NH4": 0.82,
    "NO3": 11.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2605, 59.6275] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1846",
    "depth": 10.0,
    "PO4": 1.91,
    "SiOH4": 19.77,
    "NO3_NO2": 10.3,
    "NO2": 0.14,
    "NH4": 0.83,
    "NO3": 10.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2605, 59.6275] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1846",
    "depth": 20.0,
    "PO4": 2.08,
    "SiOH4": 22.85,
    "NO3_NO2": 11.67,
    "NO2": 0.16,
    "NH4": 0.81,
    "NO3": 11.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2605, 59.6275] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1846",
    "depth": 30.0,
    "PO4": 2.16,
    "SiOH4": 23.22,
    "NO3_NO2": 11.93,
    "NO2": 0.16,
    "NH4": 0.78,
    "NO3": 11.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2605, 59.6275] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1846",
    "depth": 40.0,
    "PO4": 2.13,
    "SiOH4": 23.29,
    "NO3_NO2": 11.98,
    "NO2": null,
    "NH4": 0.74,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2605, 59.6275] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1846",
    "depth": 50.0,
    "PO4": 2.14,
    "SiOH4": 21.28,
    "NO3_NO2": 11.77,
    "NO2": 0.14,
    "NH4": 0.82,
    "NO3": 11.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2605, 59.6275] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1846",
    "depth": 75.0,
    "PO4": 2.11,
    "SiOH4": 21.65,
    "NO3_NO2": 12.18,
    "NO2": null,
    "NH4": 0.83,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2605, 59.6275] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1846",
    "depth": 100.0,
    "PO4": 2.1,
    "SiOH4": 21.35,
    "NO3_NO2": 12.13,
    "NO2": 0.16,
    "NH4": 0.85,
    "NO3": 11.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2605, 59.6275] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1846",
    "depth": 150.0,
    "PO4": 2.15,
    "SiOH4": 21.6,
    "NO3_NO2": 11.29,
    "NO2": 0.18,
    "NH4": 0.71,
    "NO3": 11.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2605, 59.6275] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1846",
    "depth": 210.0,
    "PO4": 2.05,
    "SiOH4": 21.07,
    "NO3_NO2": 12.02,
    "NO2": 0.14,
    "NH4": 1.07,
    "NO3": 11.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1893, 59.5539] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1942",
    "depth": 0.0,
    "PO4": 1.91,
    "SiOH4": 21.44,
    "NO3_NO2": 11.97,
    "NO2": 0.16,
    "NH4": 0.83,
    "NO3": 11.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1893, 59.5539] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1942",
    "depth": 10.0,
    "PO4": 1.93,
    "SiOH4": 21.81,
    "NO3_NO2": 12.23,
    "NO2": 0.17,
    "NH4": 0.93,
    "NO3": 12.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1893, 59.5539] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1942",
    "depth": 20.0,
    "PO4": 1.85,
    "SiOH4": 20.82,
    "NO3_NO2": 11.86,
    "NO2": 0.17,
    "NH4": 0.77,
    "NO3": 11.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1893, 59.5539] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1942",
    "depth": 30.0,
    "PO4": 1.76,
    "SiOH4": 21.87,
    "NO3_NO2": 12.44,
    "NO2": 0.16,
    "NH4": 0.78,
    "NO3": 12.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1893, 59.5539] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1942",
    "depth": 40.0,
    "PO4": 1.57,
    "SiOH4": 14.78,
    "NO3_NO2": 8.92,
    "NO2": 0.12,
    "NH4": 0.72,
    "NO3": 8.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1893, 59.5539] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1942",
    "depth": 50.0,
    "PO4": 1.56,
    "SiOH4": 21.6,
    "NO3_NO2": 12.49,
    "NO2": 0.14,
    "NH4": 0.76,
    "NO3": 12.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1893, 59.5539] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1942",
    "depth": 75.0,
    "PO4": 1.53,
    "SiOH4": 21.29,
    "NO3_NO2": 12.59,
    "NO2": null,
    "NH4": 0.76,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1893, 59.5539] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1942",
    "depth": 100.0,
    "PO4": 1.69,
    "SiOH4": 21.32,
    "NO3_NO2": 12.54,
    "NO2": 0.18,
    "NH4": 0.81,
    "NO3": 12.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1893, 59.5539] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1942",
    "depth": 150.0,
    "PO4": 1.86,
    "SiOH4": 22.03,
    "NO3_NO2": 12.64,
    "NO2": 0.12,
    "NH4": 0.8,
    "NO3": 12.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1893, 59.5539] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1942",
    "depth": 210.0,
    "PO4": 1.73,
    "SiOH4": 23.75,
    "NO3_NO2": 14.16,
    "NO2": 0.16,
    "NH4": 0.77,
    "NO3": 14.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1207, 59.4819] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "2134",
    "depth": 0.0,
    "PO4": 1.72,
    "SiOH4": 22.77,
    "NO3_NO2": 12.69,
    "NO2": 0.16,
    "NH4": 0.75,
    "NO3": 12.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1207, 59.4819] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "2134",
    "depth": 10.0,
    "PO4": null,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": null,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1207, 59.4819] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "2134",
    "depth": 20.0,
    "PO4": 2.01,
    "SiOH4": 23.17,
    "NO3_NO2": 12.74,
    "NO2": 0.14,
    "NH4": 0.75,
    "NO3": 12.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1207, 59.4819] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "2134",
    "depth": 30.0,
    "PO4": 1.69,
    "SiOH4": 16.42,
    "NO3_NO2": 9.22,
    "NO2": 0.13,
    "NH4": 0.77,
    "NO3": 9.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1207, 59.4819] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "2134",
    "depth": 40.0,
    "PO4": 1.8,
    "SiOH4": 18.49,
    "NO3_NO2": 10.43,
    "NO2": 0.14,
    "NH4": 0.77,
    "NO3": 10.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1207, 59.4819] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "2134",
    "depth": 50.0,
    "PO4": 1.94,
    "SiOH4": 21.91,
    "NO3_NO2": 12.26,
    "NO2": 0.15,
    "NH4": 0.94,
    "NO3": 12.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1207, 59.4819] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "2134",
    "depth": 75.0,
    "PO4": 1.95,
    "SiOH4": 22.28,
    "NO3_NO2": 12.68,
    "NO2": 0.15,
    "NH4": 0.82,
    "NO3": 12.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1207, 59.4819] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "2134",
    "depth": 100.0,
    "PO4": 1.98,
    "SiOH4": 23.33,
    "NO3_NO2": 12.94,
    "NO2": 0.15,
    "NH4": 0.82,
    "NO3": 12.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1207, 59.4819] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "2134",
    "depth": 150.0,
    "PO4": 2.02,
    "SiOH4": 22.68,
    "NO3_NO2": 13.2,
    "NO2": 0.14,
    "NH4": 0.84,
    "NO3": 13.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1207, 59.4819] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "2134",
    "depth": 200.0,
    "PO4": 2.06,
    "SiOH4": 23.76,
    "NO3_NO2": 10.58,
    "NO2": 0.17,
    "NH4": 0.86,
    "NO3": 10.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0534, 59.407] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "2244",
    "depth": 0.0,
    "PO4": 1.64,
    "SiOH4": 19.72,
    "NO3_NO2": 10.84,
    "NO2": 0.12,
    "NH4": 0.76,
    "NO3": 10.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0534, 59.407] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "2244",
    "depth": 10.0,
    "PO4": 1.91,
    "SiOH4": 22.13,
    "NO3_NO2": 12.36,
    "NO2": 0.15,
    "NH4": 0.86,
    "NO3": 12.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0534, 59.407] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "2244",
    "depth": 20.0,
    "PO4": 1.89,
    "SiOH4": 21.82,
    "NO3_NO2": 12.62,
    "NO2": 0.16,
    "NH4": 0.81,
    "NO3": 12.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0534, 59.407] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "2244",
    "depth": 30.0,
    "PO4": null,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": null,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0534, 59.407] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "2244",
    "depth": 40.0,
    "PO4": 1.92,
    "SiOH4": 22.22,
    "NO3_NO2": 12.2,
    "NO2": 0.15,
    "NH4": 0.83,
    "NO3": 12.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0534, 59.407] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "2244",
    "depth": 50.0,
    "PO4": 1.88,
    "SiOH4": 21.91,
    "NO3_NO2": 12.3,
    "NO2": 0.16,
    "NH4": 0.79,
    "NO3": 12.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0534, 59.407] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "2244",
    "depth": 75.0,
    "PO4": 1.82,
    "SiOH4": 21.94,
    "NO3_NO2": 12.41,
    "NO2": 0.15,
    "NH4": 0.84,
    "NO3": 12.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0534, 59.407] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "2244",
    "depth": 100.0,
    "PO4": 1.71,
    "SiOH4": 20.28,
    "NO3_NO2": 11.56,
    "NO2": 0.12,
    "NH4": 1.01,
    "NO3": 11.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0534, 59.407] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "2244",
    "depth": 150.0,
    "PO4": 1.79,
    "SiOH4": 21.66,
    "NO3_NO2": 13.09,
    "NO2": 0.1,
    "NH4": 0.79,
    "NO3": 12.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0534, 59.407] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "2244",
    "depth": 189.0,
    "PO4": 1.96,
    "SiOH4": 24.41,
    "NO3_NO2": 14.45,
    "NO2": 0.12,
    "NH4": 0.83,
    "NO3": 14.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9115, 59.261] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 21,
    "stn_id": "GAK5",
    "water_depth": 166,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0035",
    "depth": 0.0,
    "PO4": 1.59,
    "SiOH4": 15.28,
    "NO3_NO2": 8.88,
    "NO2": 0.11,
    "NH4": 0.88,
    "NO3": 8.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9115, 59.261] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 21,
    "stn_id": "GAK5",
    "water_depth": 166,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0035",
    "depth": 10.0,
    "PO4": 1.62,
    "SiOH4": 19.38,
    "NO3_NO2": 11.03,
    "NO2": 0.14,
    "NH4": 0.89,
    "NO3": 10.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9115, 59.261] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 21,
    "stn_id": "GAK5",
    "water_depth": 166,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0035",
    "depth": 20.0,
    "PO4": 1.6,
    "SiOH4": 18.06,
    "NO3_NO2": 10.19,
    "NO2": 0.11,
    "NH4": 0.8,
    "NO3": 10.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9115, 59.261] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 21,
    "stn_id": "GAK5",
    "water_depth": 166,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0035",
    "depth": 30.0,
    "PO4": 1.66,
    "SiOH4": 20.46,
    "NO3_NO2": 11.4,
    "NO2": 0.11,
    "NH4": 0.83,
    "NO3": 11.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9115, 59.261] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 21,
    "stn_id": "GAK5",
    "water_depth": 166,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0035",
    "depth": 40.0,
    "PO4": null,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": null,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9115, 59.261] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 21,
    "stn_id": "GAK5",
    "water_depth": 166,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0035",
    "depth": 50.0,
    "PO4": 1.61,
    "SiOH4": 20.18,
    "NO3_NO2": 11.13,
    "NO2": 0.14,
    "NH4": 0.81,
    "NO3": 11.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9115, 59.261] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 21,
    "stn_id": "GAK5",
    "water_depth": 166,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0035",
    "depth": 75.0,
    "PO4": 1.7,
    "SiOH4": 21.91,
    "NO3_NO2": 12.18,
    "NO2": 0.18,
    "NH4": 0.89,
    "NO3": 12.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9115, 59.261] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 21,
    "stn_id": "GAK5",
    "water_depth": 166,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0035",
    "depth": 100.0,
    "PO4": 1.7,
    "SiOH4": 21.94,
    "NO3_NO2": 12.29,
    "NO2": 0.16,
    "NH4": 0.78,
    "NO3": 12.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9115, 59.261] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 21,
    "stn_id": "GAK5",
    "water_depth": 166,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0035",
    "depth": 160.0,
    "PO4": 1.77,
    "SiOH4": 23.67,
    "NO3_NO2": 12.71,
    "NO2": 0.09,
    "NH4": 0.97,
    "NO3": 12.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8394, 59.1901] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "GAK5I",
    "water_depth": 164,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1530",
    "depth": 0.0,
    "PO4": null,
    "SiOH4": 22.0,
    "NO3_NO2": 12.18,
    "NO2": 0.12,
    "NH4": 0.93,
    "NO3": 12.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8394, 59.1901] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "GAK5I",
    "water_depth": 164,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1530",
    "depth": 10.0,
    "PO4": 1.47,
    "SiOH4": 22.41,
    "NO3_NO2": 12.26,
    "NO2": 0.2,
    "NH4": 0.96,
    "NO3": 12.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8394, 59.1901] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "GAK5I",
    "water_depth": 164,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1530",
    "depth": 20.0,
    "PO4": 1.47,
    "SiOH4": 22.43,
    "NO3_NO2": 11.92,
    "NO2": 0.2,
    "NH4": 0.78,
    "NO3": 11.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8394, 59.1901] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "GAK5I",
    "water_depth": 164,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1530",
    "depth": 30.0,
    "PO4": 1.45,
    "SiOH4": 22.45,
    "NO3_NO2": 11.66,
    "NO2": 0.2,
    "NH4": 0.79,
    "NO3": 11.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8394, 59.1901] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "GAK5I",
    "water_depth": 164,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1530",
    "depth": 40.0,
    "PO4": 1.44,
    "SiOH4": 22.47,
    "NO3_NO2": 11.41,
    "NO2": 0.2,
    "NH4": 1.15,
    "NO3": 11.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8394, 59.1901] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "GAK5I",
    "water_depth": 164,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1530",
    "depth": 50.0,
    "PO4": 1.44,
    "SiOH4": 22.16,
    "NO3_NO2": 11.65,
    "NO2": 0.18,
    "NH4": 0.82,
    "NO3": 11.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8394, 59.1901] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "GAK5I",
    "water_depth": 164,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1530",
    "depth": 75.0,
    "PO4": 1.46,
    "SiOH4": 22.17,
    "NO3_NO2": 11.33,
    "NO2": 0.19,
    "NH4": 0.86,
    "NO3": 11.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8394, 59.1901] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "GAK5I",
    "water_depth": 164,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1530",
    "depth": 100.0,
    "PO4": 1.47,
    "SiOH4": 21.53,
    "NO3_NO2": 11.16,
    "NO2": 0.21,
    "NH4": 1.22,
    "NO3": 10.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8394, 59.1901] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "GAK5I",
    "water_depth": 164,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1530",
    "depth": 125.0,
    "PO4": 1.47,
    "SiOH4": 21.22,
    "NO3_NO2": 11.34,
    "NO2": 0.14,
    "NH4": 0.89,
    "NO3": 11.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8394, 59.1901] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "GAK5I",
    "water_depth": 164,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1530",
    "depth": 160.0,
    "PO4": 1.72,
    "SiOH4": 20.19,
    "NO3_NO2": 11.31,
    "NO2": 0.13,
    "NH4": 0.83,
    "NO3": 11.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7726, 59.118] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 25,
    "stn_id": "GAK6",
    "water_depth": 149,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1620",
    "depth": 0.0,
    "PO4": 1.43,
    "SiOH4": 21.92,
    "NO3_NO2": 10.83,
    "NO2": 0.16,
    "NH4": 0.96,
    "NO3": 10.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7726, 59.118] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 25,
    "stn_id": "GAK6",
    "water_depth": 149,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1620",
    "depth": 10.0,
    "PO4": 1.45,
    "SiOH4": 21.94,
    "NO3_NO2": 10.84,
    "NO2": 0.16,
    "NH4": 1.04,
    "NO3": 10.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7726, 59.118] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 25,
    "stn_id": "GAK6",
    "water_depth": 149,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1620",
    "depth": 20.0,
    "PO4": 1.46,
    "SiOH4": 21.95,
    "NO3_NO2": 10.67,
    "NO2": 0.15,
    "NH4": 1.2,
    "NO3": 10.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7726, 59.118] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 25,
    "stn_id": "GAK6",
    "water_depth": 149,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1620",
    "depth": 30.0,
    "PO4": 1.43,
    "SiOH4": 21.64,
    "NO3_NO2": 10.76,
    "NO2": 0.16,
    "NH4": 1.03,
    "NO3": 10.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7726, 59.118] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 25,
    "stn_id": "GAK6",
    "water_depth": 149,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1620",
    "depth": 40.0,
    "PO4": 1.46,
    "SiOH4": 21.33,
    "NO3_NO2": 10.68,
    "NO2": 0.15,
    "NH4": 1.01,
    "NO3": 10.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7726, 59.118] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 25,
    "stn_id": "GAK6",
    "water_depth": 149,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1620",
    "depth": 50.0,
    "PO4": 1.45,
    "SiOH4": 21.68,
    "NO3_NO2": 10.77,
    "NO2": 0.17,
    "NH4": 1.11,
    "NO3": 10.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7726, 59.118] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 25,
    "stn_id": "GAK6",
    "water_depth": 149,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1620",
    "depth": 75.0,
    "PO4": 1.5,
    "SiOH4": 21.7,
    "NO3_NO2": 10.69,
    "NO2": 0.18,
    "NH4": 0.98,
    "NO3": 10.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7726, 59.118] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 25,
    "stn_id": "GAK6",
    "water_depth": 149,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1620",
    "depth": 100.0,
    "PO4": 1.41,
    "SiOH4": 20.73,
    "NO3_NO2": 10.35,
    "NO2": 0.2,
    "NH4": 1.14,
    "NO3": 10.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7726, 59.118] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 25,
    "stn_id": "GAK6",
    "water_depth": 149,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1620",
    "depth": 125.0,
    "PO4": 1.5,
    "SiOH4": 23.05,
    "NO3_NO2": 11.56,
    "NO2": 0.12,
    "NH4": 1.03,
    "NO3": 11.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7726, 59.118] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 25,
    "stn_id": "GAK6",
    "water_depth": 149,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1620",
    "depth": 140.0,
    "PO4": 1.37,
    "SiOH4": 19.45,
    "NO3_NO2": 10.27,
    "NO2": 0.13,
    "NH4": 0.91,
    "NO3": 10.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6359, 58.9724] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1757",
    "depth": 0.0,
    "PO4": 1.26,
    "SiOH4": 18.81,
    "NO3_NO2": 9.24,
    "NO2": 0.15,
    "NH4": 0.96,
    "NO3": 9.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6359, 58.9724] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1757",
    "depth": 10.0,
    "PO4": 1.43,
    "SiOH4": 20.8,
    "NO3_NO2": 10.37,
    "NO2": 0.17,
    "NH4": 1.06,
    "NO3": 10.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6359, 58.9724] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1757",
    "depth": 20.0,
    "PO4": 1.41,
    "SiOH4": 20.16,
    "NO3_NO2": 10.29,
    "NO2": 0.18,
    "NH4": 1.0,
    "NO3": 10.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6359, 58.9724] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1757",
    "depth": 30.0,
    "PO4": 1.4,
    "SiOH4": 20.51,
    "NO3_NO2": 10.46,
    "NO2": 0.2,
    "NH4": 1.03,
    "NO3": 10.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6359, 58.9724] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1757",
    "depth": 40.0,
    "PO4": 1.43,
    "SiOH4": 20.2,
    "NO3_NO2": 10.47,
    "NO2": 0.2,
    "NH4": 0.95,
    "NO3": 10.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6359, 58.9724] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1757",
    "depth": 50.0,
    "PO4": 1.43,
    "SiOH4": 20.22,
    "NO3_NO2": 10.56,
    "NO2": 0.19,
    "NH4": 0.96,
    "NO3": 10.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6359, 58.9724] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1757",
    "depth": 75.0,
    "PO4": 1.46,
    "SiOH4": 20.89,
    "NO3_NO2": 11.17,
    "NO2": 0.22,
    "NH4": 0.96,
    "NO3": 10.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6359, 58.9724] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1757",
    "depth": 100.0,
    "PO4": 1.64,
    "SiOH4": 25.54,
    "NO3_NO2": 13.68,
    "NO2": 0.17,
    "NH4": 0.99,
    "NO3": 13.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6359, 58.9724] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1757",
    "depth": 125.0,
    "PO4": 1.87,
    "SiOH4": 33.79,
    "NO3_NO2": 17.05,
    "NO2": 0.12,
    "NH4": 0.77,
    "NO3": 16.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6359, 58.9724] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1757",
    "depth": 240.0,
    "PO4": 2.54,
    "SiOH4": 56.53,
    "NO3_NO2": 26.46,
    "NO2": 0.11,
    "NH4": 0.9,
    "NO3": 26.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4979, 58.7945] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 31,
    "stn_id": "GAK8",
    "water_depth": 293,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2147",
    "depth": 0.0,
    "PO4": 1.44,
    "SiOH4": 21.39,
    "NO3_NO2": 10.94,
    "NO2": 0.18,
    "NH4": 0.99,
    "NO3": 10.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4979, 58.7945] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 31,
    "stn_id": "GAK8",
    "water_depth": 293,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2147",
    "depth": 10.0,
    "PO4": 1.42,
    "SiOH4": 21.99,
    "NO3_NO2": 10.76,
    "NO2": 0.14,
    "NH4": 0.98,
    "NO3": 10.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4979, 58.7945] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 31,
    "stn_id": "GAK8",
    "water_depth": 293,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2147",
    "depth": 20.0,
    "PO4": 1.46,
    "SiOH4": 22.0,
    "NO3_NO2": 10.77,
    "NO2": 0.15,
    "NH4": 1.15,
    "NO3": 10.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4979, 58.7945] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 31,
    "stn_id": "GAK8",
    "water_depth": 293,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2147",
    "depth": 30.0,
    "PO4": 1.38,
    "SiOH4": 21.36,
    "NO3_NO2": 10.6,
    "NO2": 0.14,
    "NH4": 0.99,
    "NO3": 10.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4979, 58.7945] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 31,
    "stn_id": "GAK8",
    "water_depth": 293,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2147",
    "depth": 40.0,
    "PO4": 1.35,
    "SiOH4": 20.72,
    "NO3_NO2": 10.17,
    "NO2": 0.14,
    "NH4": 0.94,
    "NO3": 10.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4979, 58.7945] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 31,
    "stn_id": "GAK8",
    "water_depth": 293,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2147",
    "depth": 50.0,
    "PO4": 1.4,
    "SiOH4": 21.4,
    "NO3_NO2": 10.61,
    "NO2": 0.17,
    "NH4": 1.04,
    "NO3": 10.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4979, 58.7945] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 31,
    "stn_id": "GAK8",
    "water_depth": 293,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2147",
    "depth": 75.0,
    "PO4": 1.41,
    "SiOH4": 21.09,
    "NO3_NO2": 10.53,
    "NO2": 0.17,
    "NH4": 0.96,
    "NO3": 10.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4979, 58.7945] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 31,
    "stn_id": "GAK8",
    "water_depth": 293,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2147",
    "depth": 100.0,
    "PO4": 1.35,
    "SiOH4": 18.8,
    "NO3_NO2": 9.93,
    "NO2": 0.19,
    "NH4": 0.97,
    "NO3": 9.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4979, 58.7945] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 31,
    "stn_id": "GAK8",
    "water_depth": 293,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2147",
    "depth": 150.0,
    "PO4": 0.99,
    "SiOH4": 14.87,
    "NO3_NO2": 8.12,
    "NO2": 0.12,
    "NH4": 0.91,
    "NO3": 8.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4979, 58.7945] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 31,
    "stn_id": "GAK8",
    "water_depth": 293,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2147",
    "depth": 200.0,
    "PO4": 1.85,
    "SiOH4": 35.3,
    "NO3_NO2": 16.84,
    "NO2": 0.11,
    "NH4": 1.04,
    "NO3": 16.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4979, 58.7945] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 31,
    "stn_id": "GAK8",
    "water_depth": 293,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2147",
    "depth": 284.0,
    "PO4": 2.68,
    "SiOH4": 69.24,
    "NO3_NO2": 27.72,
    "NO2": 0.13,
    "NH4": 0.98,
    "NO3": 27.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8326, 59.4501] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 33,
    "stn_id": "CF15",
    "water_depth": 140,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "0643",
    "depth": 0.0,
    "PO4": 1.38,
    "SiOH4": 20.85,
    "NO3_NO2": 10.47,
    "NO2": 0.15,
    "NH4": 1.12,
    "NO3": 10.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8326, 59.4501] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 33,
    "stn_id": "CF15",
    "water_depth": 140,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "0643",
    "depth": 10.0,
    "PO4": 1.37,
    "SiOH4": 20.53,
    "NO3_NO2": 10.38,
    "NO2": 0.15,
    "NH4": 1.07,
    "NO3": 10.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8326, 59.4501] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 33,
    "stn_id": "CF15",
    "water_depth": 140,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "0643",
    "depth": 20.0,
    "PO4": 1.25,
    "SiOH4": 19.24,
    "NO3_NO2": 9.01,
    "NO2": 0.14,
    "NH4": 1.03,
    "NO3": 8.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8326, 59.4501] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 33,
    "stn_id": "CF15",
    "water_depth": 140,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "0643",
    "depth": 30.0,
    "PO4": 1.39,
    "SiOH4": 22.55,
    "NO3_NO2": 10.57,
    "NO2": 0.16,
    "NH4": 0.98,
    "NO3": 10.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8326, 59.4501] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 33,
    "stn_id": "CF15",
    "water_depth": 140,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "0643",
    "depth": 40.0,
    "PO4": 1.35,
    "SiOH4": 21.58,
    "NO3_NO2": 10.31,
    "NO2": 0.17,
    "NH4": 0.88,
    "NO3": 10.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8326, 59.4501] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 33,
    "stn_id": "CF15",
    "water_depth": 140,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "0643",
    "depth": 50.0,
    "PO4": 1.42,
    "SiOH4": 22.25,
    "NO3_NO2": 10.58,
    "NO2": 0.17,
    "NH4": 0.96,
    "NO3": 10.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8326, 59.4501] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 33,
    "stn_id": "CF15",
    "water_depth": 140,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "0643",
    "depth": 75.0,
    "PO4": 1.38,
    "SiOH4": 22.27,
    "NO3_NO2": 10.49,
    "NO2": 0.17,
    "NH4": 0.93,
    "NO3": 10.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8326, 59.4501] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 33,
    "stn_id": "CF15",
    "water_depth": 140,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "0643",
    "depth": 100.0,
    "PO4": 1.4,
    "SiOH4": 22.62,
    "NO3_NO2": 10.58,
    "NO2": 0.17,
    "NH4": 0.93,
    "NO3": 10.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8326, 59.4501] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 33,
    "stn_id": "CF15",
    "water_depth": 140,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "0643",
    "depth": 125.0,
    "PO4": 1.44,
    "SiOH4": 22.96,
    "NO3_NO2": 11.11,
    "NO2": 0.16,
    "NH4": 1.19,
    "NO3": 10.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8326, 59.4501] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 33,
    "stn_id": "CF15",
    "water_depth": 140,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "0643",
    "depth": 134.0,
    "PO4": 1.47,
    "SiOH4": 22.65,
    "NO3_NO2": 11.11,
    "NO2": 0.15,
    "NH4": 0.98,
    "NO3": 10.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8346, 59.5171] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 35,
    "stn_id": "CF13",
    "water_depth": 147,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "0752",
    "depth": 0.0,
    "PO4": 1.38,
    "SiOH4": 21.68,
    "NO3_NO2": 10.43,
    "NO2": 0.18,
    "NH4": 0.94,
    "NO3": 10.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8346, 59.5171] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 35,
    "stn_id": "CF13",
    "water_depth": 147,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "0752",
    "depth": 50.0,
    "PO4": 1.42,
    "SiOH4": 22.36,
    "NO3_NO2": 10.6,
    "NO2": 0.19,
    "NH4": 0.99,
    "NO3": 10.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8346, 59.5171] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 35,
    "stn_id": "CF13",
    "water_depth": 147,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "0752",
    "depth": 100.0,
    "PO4": 1.27,
    "SiOH4": 20.4,
    "NO3_NO2": 9.75,
    "NO2": 0.18,
    "NH4": 1.03,
    "NO3": 9.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8346, 59.5171] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 35,
    "stn_id": "CF13",
    "water_depth": 147,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "0752",
    "depth": 142.0,
    "PO4": 1.37,
    "SiOH4": 22.99,
    "NO3_NO2": 13.39,
    "NO2": 0.26,
    "NH4": 4.18,
    "NO3": 13.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8376, 59.5828] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 37,
    "stn_id": "CF11",
    "water_depth": 163,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "0855",
    "depth": 0.0,
    "PO4": 1.39,
    "SiOH4": 22.68,
    "NO3_NO2": 12.91,
    "NO2": 0.3,
    "NH4": 4.17,
    "NO3": 12.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8376, 59.5828] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 37,
    "stn_id": "CF11",
    "water_depth": 163,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "0855",
    "depth": 50.0,
    "PO4": 1.38,
    "SiOH4": 22.37,
    "NO3_NO2": 12.33,
    "NO2": 0.3,
    "NH4": 3.92,
    "NO3": 12.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8376, 59.5828] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 37,
    "stn_id": "CF11",
    "water_depth": 163,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "0855",
    "depth": 100.0,
    "PO4": 1.33,
    "SiOH4": 21.73,
    "NO3_NO2": 12.2,
    "NO2": 0.3,
    "NH4": 3.71,
    "NO3": 11.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8376, 59.5828] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 37,
    "stn_id": "CF11",
    "water_depth": 163,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "0855",
    "depth": 162.0,
    "PO4": 1.38,
    "SiOH4": 22.09,
    "NO3_NO2": 12.54,
    "NO2": 0.3,
    "NH4": 3.64,
    "NO3": 12.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8391, 59.6476] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 39,
    "stn_id": "CF9",
    "water_depth": 184,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "0955",
    "depth": 0.0,
    "PO4": 1.38,
    "SiOH4": 22.45,
    "NO3_NO2": 12.19,
    "NO2": 0.3,
    "NH4": 3.45,
    "NO3": 11.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8391, 59.6476] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 39,
    "stn_id": "CF9",
    "water_depth": 184,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "0955",
    "depth": 50.0,
    "PO4": 1.36,
    "SiOH4": 22.14,
    "NO3_NO2": 12.06,
    "NO2": 0.29,
    "NH4": 3.41,
    "NO3": 11.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8391, 59.6476] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 39,
    "stn_id": "CF9",
    "water_depth": 184,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "0955",
    "depth": 100.0,
    "PO4": 1.36,
    "SiOH4": 22.17,
    "NO3_NO2": 12.05,
    "NO2": 0.31,
    "NH4": 3.25,
    "NO3": 11.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8391, 59.6476] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 39,
    "stn_id": "CF9",
    "water_depth": 184,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "0955",
    "depth": 177.0,
    "PO4": 1.43,
    "SiOH4": 22.19,
    "NO3_NO2": 12.97,
    "NO2": 0.18,
    "NH4": 3.07,
    "NO3": 12.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8391, 59.7148] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 41,
    "stn_id": "CF7",
    "water_depth": 184,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "1056",
    "depth": 0.0,
    "PO4": 1.24,
    "SiOH4": 22.55,
    "NO3_NO2": 10.42,
    "NO2": 0.18,
    "NH4": 2.82,
    "NO3": 10.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8391, 59.7148] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 41,
    "stn_id": "CF7",
    "water_depth": 184,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "1056",
    "depth": 50.0,
    "PO4": 1.36,
    "SiOH4": 22.25,
    "NO3_NO2": 11.8,
    "NO2": 0.2,
    "NH4": 2.67,
    "NO3": 11.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8391, 59.7148] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 41,
    "stn_id": "CF7",
    "water_depth": 184,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "1056",
    "depth": 100.0,
    "PO4": 1.37,
    "SiOH4": 22.6,
    "NO3_NO2": 12.02,
    "NO2": 0.2,
    "NH4": 2.56,
    "NO3": 11.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8391, 59.7148] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 41,
    "stn_id": "CF7",
    "water_depth": 184,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "1056",
    "depth": 176.0,
    "PO4": 1.47,
    "SiOH4": 22.63,
    "NO3_NO2": 12.82,
    "NO2": 0.21,
    "NH4": 2.57,
    "NO3": 12.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8364, 59.7813] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 43,
    "stn_id": "CF5",
    "water_depth": 186,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "1201",
    "depth": 0.0,
    "PO4": 1.37,
    "SiOH4": 25.32,
    "NO3_NO2": 12.12,
    "NO2": 0.21,
    "NH4": 2.37,
    "NO3": 11.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8364, 59.7813] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 43,
    "stn_id": "CF5",
    "water_depth": 186,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "1201",
    "depth": 50.0,
    "PO4": 1.36,
    "SiOH4": 22.35,
    "NO3_NO2": 12.11,
    "NO2": 0.21,
    "NH4": 2.16,
    "NO3": 11.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8364, 59.7813] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 43,
    "stn_id": "CF5",
    "water_depth": 186,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "1201",
    "depth": 100.0,
    "PO4": 1.34,
    "SiOH4": 22.04,
    "NO3_NO2": 11.17,
    "NO2": 0.19,
    "NH4": 2.06,
    "NO3": 10.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8364, 59.7813] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 43,
    "stn_id": "CF5",
    "water_depth": 186,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "1201",
    "depth": 182.0,
    "PO4": 1.37,
    "SiOH4": 23.4,
    "NO3_NO2": 12.44,
    "NO2": 0.2,
    "NH4": 1.85,
    "NO3": 12.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8381, 59.8474] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 45,
    "stn_id": "CF3",
    "water_depth": 178,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "1309",
    "depth": 0.0,
    "PO4": 1.33,
    "SiOH4": 23.76,
    "NO3_NO2": 11.96,
    "NO2": 0.27,
    "NH4": 1.79,
    "NO3": 11.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8381, 59.8474] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 45,
    "stn_id": "CF3",
    "water_depth": 178,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "1309",
    "depth": 50.0,
    "PO4": 1.33,
    "SiOH4": 23.78,
    "NO3_NO2": 11.96,
    "NO2": 0.27,
    "NH4": 1.61,
    "NO3": 11.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8381, 59.8474] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 45,
    "stn_id": "CF3",
    "water_depth": 178,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "1309",
    "depth": 100.0,
    "PO4": 1.34,
    "SiOH4": 23.81,
    "NO3_NO2": 12.06,
    "NO2": 0.27,
    "NH4": 1.39,
    "NO3": 11.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8381, 59.8474] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 45,
    "stn_id": "CF3",
    "water_depth": 178,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "1309",
    "depth": 169.0,
    "PO4": 1.36,
    "SiOH4": 23.5,
    "NO3_NO2": 12.28,
    "NO2": 0.2,
    "NH4": 1.23,
    "NO3": 12.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8317, 59.9135] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 48,
    "stn_id": "CF1",
    "water_depth": 74,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "1416",
    "depth": 0.0,
    "PO4": 1.27,
    "SiOH4": 23.19,
    "NO3_NO2": 11.12,
    "NO2": 0.28,
    "NH4": 1.16,
    "NO3": 10.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8317, 59.9135] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 48,
    "stn_id": "CF1",
    "water_depth": 74,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "1416",
    "depth": 68.0,
    "PO4": 1.29,
    "SiOH4": 22.89,
    "NO3_NO2": 11.11,
    "NO2": 0.28,
    "NH4": 0.97,
    "NO3": 10.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8838, 59.7438] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 49,
    "stn_id": "CC1",
    "water_depth": 24,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "1750",
    "depth": 0.0,
    "PO4": 1.33,
    "SiOH4": 22.58,
    "NO3_NO2": 11.56,
    "NO2": 0.24,
    "NH4": 0.92,
    "NO3": 11.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8838, 59.7438] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 49,
    "stn_id": "CC1",
    "water_depth": 24,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "1750",
    "depth": 24.0,
    "PO4": 1.4,
    "SiOH4": 24.27,
    "NO3_NO2": 12.25,
    "NO2": 0.28,
    "NH4": 0.79,
    "NO3": 11.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8828, 59.667] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 51,
    "stn_id": "CC3",
    "water_depth": 72,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "1836",
    "depth": 0.0,
    "PO4": 1.38,
    "SiOH4": 23.99,
    "NO3_NO2": 12.23,
    "NO2": 0.14,
    "NH4": 0.87,
    "NO3": 12.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8828, 59.667] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 51,
    "stn_id": "CC3",
    "water_depth": 72,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "1836",
    "depth": 35.0,
    "PO4": 1.39,
    "SiOH4": 24.01,
    "NO3_NO2": 12.45,
    "NO2": 0.14,
    "NH4": 0.92,
    "NO3": 12.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8828, 59.667] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 51,
    "stn_id": "CC3",
    "water_depth": 72,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "1836",
    "depth": 69.0,
    "PO4": 1.36,
    "SiOH4": 24.04,
    "NO3_NO2": 12.21,
    "NO2": 0.14,
    "NH4": 0.89,
    "NO3": 12.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.881, 59.5998] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 52,
    "stn_id": "CC4",
    "water_depth": 117,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "1911",
    "depth": 0.0,
    "PO4": 1.32,
    "SiOH4": 23.07,
    "NO3_NO2": 12.09,
    "NO2": 0.13,
    "NH4": 0.91,
    "NO3": 11.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.881, 59.5998] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 52,
    "stn_id": "CC4",
    "water_depth": 117,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "1911",
    "depth": 50.0,
    "PO4": 1.38,
    "SiOH4": 24.43,
    "NO3_NO2": 12.31,
    "NO2": 0.13,
    "NH4": 1.03,
    "NO3": 12.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.881, 59.5998] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 52,
    "stn_id": "CC4",
    "water_depth": 117,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "1911",
    "depth": 71.0,
    "PO4": 1.31,
    "SiOH4": 22.79,
    "NO3_NO2": 11.84,
    "NO2": 0.12,
    "NH4": 0.9,
    "NO3": 11.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.881, 59.5998] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 52,
    "stn_id": "CC4",
    "water_depth": 117,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "1911",
    "depth": 110.0,
    "PO4": 1.4,
    "SiOH4": 24.48,
    "NO3_NO2": 12.75,
    "NO2": 0.13,
    "NH4": 1.09,
    "NO3": 12.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8834, 59.4869] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 53,
    "stn_id": "CC5",
    "water_depth": 115,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "2008",
    "depth": 0.0,
    "PO4": 1.3,
    "SiOH4": 21.51,
    "NO3_NO2": 11.01,
    "NO2": 0.13,
    "NH4": 1.11,
    "NO3": 10.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8834, 59.4869] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 53,
    "stn_id": "CC5",
    "water_depth": 115,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "2008",
    "depth": 50.0,
    "PO4": 1.37,
    "SiOH4": 24.2,
    "NO3_NO2": 12.27,
    "NO2": 0.14,
    "NH4": 1.06,
    "NO3": 12.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8834, 59.4869] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 53,
    "stn_id": "CC5",
    "water_depth": 115,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "2008",
    "depth": 60.0,
    "PO4": 1.38,
    "SiOH4": 23.89,
    "NO3_NO2": 11.92,
    "NO2": 0.14,
    "NH4": 0.92,
    "NO3": 11.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8834, 59.4869] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 53,
    "stn_id": "CC5",
    "water_depth": 115,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "2008",
    "depth": 112.0,
    "PO4": 1.37,
    "SiOH4": 25.92,
    "NO3_NO2": 12.14,
    "NO2": 0.14,
    "NH4": 1.47,
    "NO3": 12.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8822, 59.3695] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 55,
    "stn_id": "CC6B",
    "water_depth": 175,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "2114",
    "depth": 0.0,
    "PO4": 1.38,
    "SiOH4": 29.27,
    "NO3_NO2": 12.13,
    "NO2": 0.14,
    "NH4": 0.91,
    "NO3": 11.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8822, 59.3695] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 55,
    "stn_id": "CC6B",
    "water_depth": 175,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "2114",
    "depth": 50.0,
    "PO4": 1.38,
    "SiOH4": 28.3,
    "NO3_NO2": 12.12,
    "NO2": 0.14,
    "NH4": 1.07,
    "NO3": 11.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8822, 59.3695] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 55,
    "stn_id": "CC6B",
    "water_depth": 175,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "2114",
    "depth": 100.0,
    "PO4": 1.17,
    "SiOH4": 19.67,
    "NO3_NO2": 8.42,
    "NO2": 0.12,
    "NH4": 1.06,
    "NO3": 8.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8822, 59.3695] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 55,
    "stn_id": "CC6B",
    "water_depth": 175,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "2114",
    "depth": 174.0,
    "PO4": 1.57,
    "SiOH4": 30.35,
    "NO3_NO2": 16.49,
    "NO2": 0.13,
    "NH4": 1.12,
    "NO3": 16.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8819, 59.2487] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 56,
    "stn_id": "CC7",
    "water_depth": 184,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "2215",
    "depth": 0.0,
    "PO4": 1.19,
    "SiOH4": 19.73,
    "NO3_NO2": 8.17,
    "NO2": 0.11,
    "NH4": 1.47,
    "NO3": 8.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8819, 59.2487] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 56,
    "stn_id": "CC7",
    "water_depth": 184,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "2215",
    "depth": 50.0,
    "PO4": 0.96,
    "SiOH4": 11.77,
    "NO3_NO2": 5.5,
    "NO2": 0.09,
    "NH4": 0.72,
    "NO3": 5.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8819, 59.2487] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 56,
    "stn_id": "CC7",
    "water_depth": 184,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "2215",
    "depth": 100.0,
    "PO4": 1.05,
    "SiOH4": 12.46,
    "NO3_NO2": 6.07,
    "NO2": 0.08,
    "NH4": 0.87,
    "NO3": 5.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8819, 59.2487] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 56,
    "stn_id": "CC7",
    "water_depth": 184,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "2215",
    "depth": 178.0,
    "PO4": 1.33,
    "SiOH4": 23.47,
    "NO3_NO2": 12.3,
    "NO2": 0.13,
    "NH4": 0.95,
    "NO3": 12.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8823, 59.1308] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 57,
    "stn_id": "CC8",
    "water_depth": 201,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "2314",
    "depth": 0.0,
    "PO4": 1.18,
    "SiOH4": 15.17,
    "NO3_NO2": 7.09,
    "NO2": 0.11,
    "NH4": 1.27,
    "NO3": 6.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8823, 59.1308] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 57,
    "stn_id": "CC8",
    "water_depth": 201,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "2314",
    "depth": 50.0,
    "PO4": 1.26,
    "SiOH4": 21.52,
    "NO3_NO2": 10.43,
    "NO2": 0.15,
    "NH4": 1.23,
    "NO3": 10.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8823, 59.1308] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 57,
    "stn_id": "CC8",
    "water_depth": 201,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "2314",
    "depth": 100.0,
    "PO4": 1.29,
    "SiOH4": 22.55,
    "NO3_NO2": null,
    "NO2": 0.14,
    "NH4": 1.07,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8823, 59.1308] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 57,
    "stn_id": "CC8",
    "water_depth": 201,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "2314",
    "depth": 150.0,
    "PO4": 1.45,
    "SiOH4": 24.57,
    "NO3_NO2": null,
    "NO2": 0.15,
    "NH4": 1.24,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8823, 59.1308] },
  "properties": {
    "cruise_id": "HX203",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 57,
    "stn_id": "CC8",
    "water_depth": 201,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "2314",
    "depth": 196.0,
    "PO4": 2.37,
    "SiOH4": 56.55,
    "NO3_NO2": null,
    "NO2": 0.14,
    "NH4": 1.06,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3596, 60.0251] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "31",
    "time_gmt": "1846",
    "depth": 1.8,
    "PO4": 0.63,
    "SiOH4": 27.82,
    "NO3_NO2": 6.68,
    "NO2": 0.33,
    "NH4": 1.17,
    "NO3": 6.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3596, 60.0251] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "31",
    "time_gmt": "1846",
    "depth": 10.0,
    "PO4": 0.61,
    "SiOH4": 27.87,
    "NO3_NO2": 6.89,
    "NO2": 0.32,
    "NH4": 0.84,
    "NO3": 6.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3596, 60.0251] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "31",
    "time_gmt": "1846",
    "depth": 20.0,
    "PO4": 0.55,
    "SiOH4": 27.54,
    "NO3_NO2": 6.9,
    "NO2": 0.28,
    "NH4": 0.81,
    "NO3": 6.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3596, 60.0251] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "31",
    "time_gmt": "1846",
    "depth": 30.4,
    "PO4": 0.67,
    "SiOH4": 28.33,
    "NO3_NO2": 6.91,
    "NO2": 0.26,
    "NH4": 0.91,
    "NO3": 6.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3596, 60.0251] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "31",
    "time_gmt": "1846",
    "depth": 39.8,
    "PO4": 0.63,
    "SiOH4": 36.52,
    "NO3_NO2": 6.92,
    "NO2": 0.24,
    "NH4": 0.84,
    "NO3": 6.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3596, 60.0251] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "31",
    "time_gmt": "1846",
    "depth": 52.0,
    "PO4": 0.68,
    "SiOH4": 33.98,
    "NO3_NO2": 6.93,
    "NO2": 0.23,
    "NH4": 1.07,
    "NO3": 6.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3596, 60.0251] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "31",
    "time_gmt": "1846",
    "depth": 102.4,
    "PO4": 0.68,
    "SiOH4": 33.65,
    "NO3_NO2": 7.14,
    "NO2": 0.18,
    "NH4": 0.73,
    "NO3": 6.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3596, 60.0251] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "31",
    "time_gmt": "1846",
    "depth": 151.9,
    "PO4": 0.72,
    "SiOH4": 34.07,
    "NO3_NO2": 7.54,
    "NO2": 0.2,
    "NH4": 0.66,
    "NO3": 7.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3596, 60.0251] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "31",
    "time_gmt": "1846",
    "depth": 201.5,
    "PO4": 0.73,
    "SiOH4": 32.26,
    "NO3_NO2": 8.34,
    "NO2": 0.2,
    "NH4": 0.84,
    "NO3": 8.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3596, 60.0251] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "31",
    "time_gmt": "1846",
    "depth": 251.1,
    "PO4": 1.19,
    "SiOH4": 36.01,
    "NO3_NO2": 12.66,
    "NO2": 0.15,
    "NH4": 0.85,
    "NO3": 12.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3596, 60.0251] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "31",
    "time_gmt": "1846",
    "depth": 291.8,
    "PO4": 1.54,
    "SiOH4": 54.58,
    "NO3_NO2": 14.64,
    "NO2": 0.17,
    "NH4": 1.55,
    "NO3": 14.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4674, 59.8464] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "3",
    "day_gmt": "31",
    "time_gmt": "2146",
    "depth": 1.6,
    "PO4": 0.56,
    "SiOH4": 36.1,
    "NO3_NO2": 5.23,
    "NO2": 0.3,
    "NH4": 1.1,
    "NO3": 4.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4674, 59.8464] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "3",
    "day_gmt": "31",
    "time_gmt": "2146",
    "depth": 11.4,
    "PO4": 0.68,
    "SiOH4": 33.56,
    "NO3_NO2": 5.44,
    "NO2": 0.31,
    "NH4": 0.97,
    "NO3": 5.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4674, 59.8464] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "3",
    "day_gmt": "31",
    "time_gmt": "2146",
    "depth": 22.2,
    "PO4": 0.76,
    "SiOH4": 33.97,
    "NO3_NO2": 5.64,
    "NO2": 0.32,
    "NH4": 0.88,
    "NO3": 5.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4674, 59.8464] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "3",
    "day_gmt": "31",
    "time_gmt": "2146",
    "depth": 31.5,
    "PO4": 0.72,
    "SiOH4": 32.54,
    "NO3_NO2": 5.85,
    "NO2": 0.32,
    "NH4": 1.01,
    "NO3": 5.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4674, 59.8464] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "3",
    "day_gmt": "31",
    "time_gmt": "2146",
    "depth": 51.3,
    "PO4": 0.73,
    "SiOH4": 30.36,
    "NO3_NO2": 5.47,
    "NO2": 0.3,
    "NH4": 1.02,
    "NO3": 5.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4674, 59.8464] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "3",
    "day_gmt": "31",
    "time_gmt": "2146",
    "depth": 103.5,
    "PO4": 0.8,
    "SiOH4": 31.15,
    "NO3_NO2": 7.24,
    "NO2": 0.3,
    "NH4": 0.81,
    "NO3": 6.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4674, 59.8464] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "3",
    "day_gmt": "31",
    "time_gmt": "2146",
    "depth": 150.3,
    "PO4": 0.81,
    "SiOH4": 31.93,
    "NO3_NO2": 7.45,
    "NO2": 0.22,
    "NH4": 0.82,
    "NO3": 7.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4674, 59.8464] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "3",
    "day_gmt": "31",
    "time_gmt": "2146",
    "depth": 200.0,
    "PO4": 0.83,
    "SiOH4": 32.72,
    "NO3_NO2": 8.44,
    "NO2": 0.32,
    "NH4": 0.72,
    "NO3": 8.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4674, 59.8464] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "3",
    "day_gmt": "31",
    "time_gmt": "2146",
    "depth": 270.2,
    "PO4": 0.97,
    "SiOH4": 36.1,
    "NO3_NO2": 10.02,
    "NO2": 0.25,
    "NH4": 0.91,
    "NO3": 9.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4001, 59.7692] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK1I",
    "water_depth": 265,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "0024",
    "depth": 1.5,
    "PO4": 0.67,
    "SiOH4": 29.11,
    "NO3_NO2": 6.89,
    "NO2": 0.28,
    "NH4": 1.16,
    "NO3": 6.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4001, 59.7692] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK1I",
    "water_depth": 265,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "0024",
    "depth": 11.5,
    "PO4": 0.73,
    "SiOH4": 22.48,
    "NO3_NO2": 5.73,
    "NO2": 0.25,
    "NH4": 0.92,
    "NO3": 5.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4001, 59.7692] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK1I",
    "water_depth": 265,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "0024",
    "depth": 19.6,
    "PO4": 0.81,
    "SiOH4": 29.94,
    "NO3_NO2": 7.31,
    "NO2": 0.28,
    "NH4": 1.1,
    "NO3": 7.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4001, 59.7692] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK1I",
    "water_depth": 265,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "0024",
    "depth": 31.6,
    "PO4": 0.8,
    "SiOH4": 29.98,
    "NO3_NO2": 7.32,
    "NO2": 0.29,
    "NH4": 1.02,
    "NO3": 7.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4001, 59.7692] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK1I",
    "water_depth": 265,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "0024",
    "depth": 41.6,
    "PO4": 0.73,
    "SiOH4": 29.66,
    "NO3_NO2": 7.33,
    "NO2": 0.28,
    "NH4": 0.83,
    "NO3": 7.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4001, 59.7692] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK1I",
    "water_depth": 265,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "0024",
    "depth": 50.6,
    "PO4": 0.6,
    "SiOH4": 30.12,
    "NO3_NO2": 6.96,
    "NO2": 0.29,
    "NH4": 0.81,
    "NO3": 6.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4001, 59.7692] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK1I",
    "water_depth": 265,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "0024",
    "depth": 101.5,
    "PO4": 0.61,
    "SiOH4": 26.46,
    "NO3_NO2": 7.75,
    "NO2": 0.3,
    "NH4": 1.04,
    "NO3": 7.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4001, 59.7692] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK1I",
    "water_depth": 265,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "0024",
    "depth": 148.9,
    "PO4": 0.85,
    "SiOH4": 26.88,
    "NO3_NO2": 7.57,
    "NO2": 0.21,
    "NH4": 0.82,
    "NO3": 7.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4001, 59.7692] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK1I",
    "water_depth": 265,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "0024",
    "depth": 199.3,
    "PO4": 0.85,
    "SiOH4": 26.92,
    "NO3_NO2": 8.17,
    "NO2": 0.3,
    "NH4": 1.06,
    "NO3": 7.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3286, 59.692] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "0150",
    "depth": 3.6,
    "PO4": 0.95,
    "SiOH4": 27.01,
    "NO3_NO2": 8.39,
    "NO2": 0.29,
    "NH4": 1.47,
    "NO3": 8.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3286, 59.692] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "0150",
    "depth": 11.6,
    "PO4": 0.81,
    "SiOH4": 27.43,
    "NO3_NO2": 8.2,
    "NO2": 0.28,
    "NH4": 0.87,
    "NO3": 7.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3286, 59.692] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "0150",
    "depth": 22.1,
    "PO4": 0.87,
    "SiOH4": 28.22,
    "NO3_NO2": 8.21,
    "NO2": 0.29,
    "NH4": 1.29,
    "NO3": 7.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3286, 59.692] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "0150",
    "depth": 31.6,
    "PO4": 0.85,
    "SiOH4": 18.26,
    "NO3_NO2": 6.07,
    "NO2": 0.12,
    "NH4": 0.9,
    "NO3": 5.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3286, 59.692] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "0150",
    "depth": 39.6,
    "PO4": 1.08,
    "SiOH4": 29.79,
    "NO3_NO2": 10.2,
    "NO2": 0.14,
    "NH4": 0.85,
    "NO3": 10.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3286, 59.692] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "0150",
    "depth": 47.7,
    "PO4": 1.19,
    "SiOH4": 40.21,
    "NO3_NO2": 12.17,
    "NO2": 0.16,
    "NH4": 0.87,
    "NO3": 12.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3286, 59.692] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "0150",
    "depth": 100.9,
    "PO4": 1.23,
    "SiOH4": 44.7,
    "NO3_NO2": 12.97,
    "NO2": 0.16,
    "NH4": 0.82,
    "NO3": 12.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3286, 59.692] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "0150",
    "depth": 148.5,
    "PO4": null,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": null,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3286, 59.692] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "0150",
    "depth": 201.8,
    "PO4": 0.83,
    "SiOH4": 21.08,
    "NO3_NO2": 6.71,
    "NO2": 0.16,
    "NH4": 0.83,
    "NO3": 6.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3286, 59.692] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "0150",
    "depth": 224.6,
    "PO4": 0.8,
    "SiOH4": 27.42,
    "NO3_NO2": 8.69,
    "NO2": 0.2,
    "NH4": 0.96,
    "NO3": 8.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2582, 59.6244] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "1645",
    "depth": 3.1,
    "PO4": 0.24,
    "SiOH4": 4.14,
    "NO3_NO2": 0.06,
    "NO2": 0.16,
    "NH4": 1.17,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2582, 59.6244] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "1645",
    "depth": 13.4,
    "PO4": 0.4,
    "SiOH4": 5.29,
    "NO3_NO2": 0.07,
    "NO2": 0.2,
    "NH4": 1.21,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2582, 59.6244] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "1645",
    "depth": 21.8,
    "PO4": 1.03,
    "SiOH4": 27.56,
    "NO3_NO2": 8.52,
    "NO2": 0.33,
    "NH4": 1.44,
    "NO3": 8.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2582, 59.6244] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "1645",
    "depth": 28.6,
    "PO4": 0.89,
    "SiOH4": 27.24,
    "NO3_NO2": 8.93,
    "NO2": 0.33,
    "NH4": 2.13,
    "NO3": 8.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2582, 59.6244] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "1645",
    "depth": 39.2,
    "PO4": 0.91,
    "SiOH4": 26.17,
    "NO3_NO2": 8.55,
    "NO2": 0.32,
    "NH4": 1.14,
    "NO3": 8.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2582, 59.6244] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "1645",
    "depth": 48.6,
    "PO4": 0.81,
    "SiOH4": 19.92,
    "NO3_NO2": 6.59,
    "NO2": 0.27,
    "NH4": 1.21,
    "NO3": 6.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2582, 59.6244] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "1645",
    "depth": 78.0,
    "PO4": 0.91,
    "SiOH4": 25.89,
    "NO3_NO2": 8.96,
    "NO2": 0.32,
    "NH4": 1.17,
    "NO3": 8.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2582, 59.6244] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "1645",
    "depth": 104.2,
    "PO4": 0.89,
    "SiOH4": 23.72,
    "NO3_NO2": 8.38,
    "NO2": 0.3,
    "NH4": 1.08,
    "NO3": 8.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2582, 59.6244] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "1645",
    "depth": 147.4,
    "PO4": 1.32,
    "SiOH4": 34.87,
    "NO3_NO2": 11.73,
    "NO2": 0.2,
    "NH4": 1.04,
    "NO3": 11.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2582, 59.6244] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "1645",
    "depth": 204.0,
    "PO4": 1.51,
    "SiOH4": 35.75,
    "NO3_NO2": 16.87,
    "NO2": 0.21,
    "NH4": 0.74,
    "NO3": 16.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.188, 59.5534] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 8,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "1742",
    "depth": 1.8,
    "PO4": 0.37,
    "SiOH4": 11.03,
    "NO3_NO2": 1.39,
    "NO2": 0.26,
    "NH4": 1.27,
    "NO3": 1.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.188, 59.5534] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 8,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "1742",
    "depth": 11.5,
    "PO4": 0.49,
    "SiOH4": 11.82,
    "NO3_NO2": 1.4,
    "NO2": 0.29,
    "NH4": 1.2,
    "NO3": 1.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.188, 59.5534] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 8,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "1742",
    "depth": 23.4,
    "PO4": 0.53,
    "SiOH4": 11.5,
    "NO3_NO2": 1.6,
    "NO2": 0.28,
    "NH4": 1.22,
    "NO3": 1.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.188, 59.5534] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 8,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "1742",
    "depth": 32.5,
    "PO4": 0.69,
    "SiOH4": 17.1,
    "NO3_NO2": 4.56,
    "NO2": 0.32,
    "NH4": 1.26,
    "NO3": 4.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.188, 59.5534] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 8,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "1742",
    "depth": 40.0,
    "PO4": 1.11,
    "SiOH4": 29.74,
    "NO3_NO2": 10.65,
    "NO2": 0.23,
    "NH4": 0.81,
    "NO3": 10.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.188, 59.5534] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 8,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "1742",
    "depth": 51.7,
    "PO4": 1.19,
    "SiOH4": 33.87,
    "NO3_NO2": 12.43,
    "NO2": 0.19,
    "NH4": 0.96,
    "NO3": 12.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.188, 59.5534] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 8,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "1742",
    "depth": 102.3,
    "PO4": 1.2,
    "SiOH4": 35.03,
    "NO3_NO2": 12.83,
    "NO2": 0.19,
    "NH4": 0.98,
    "NO3": 12.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.188, 59.5534] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 8,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "1742",
    "depth": 154.5,
    "PO4": 1.31,
    "SiOH4": 35.81,
    "NO3_NO2": 13.04,
    "NO2": 0.17,
    "NH4": 1.02,
    "NO3": 12.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.188, 59.5534] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 8,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "1742",
    "depth": 207.0,
    "PO4": 1.58,
    "SiOH4": 49.57,
    "NO3_NO2": 16.38,
    "NO2": 0.19,
    "NH4": 2.14,
    "NO3": 16.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1146, 59.4821] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK3I",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "1928",
    "depth": 7.1,
    "PO4": 0.37,
    "SiOH4": 11.1,
    "NO3_NO2": 1.48,
    "NO2": 0.3,
    "NH4": 5.13,
    "NO3": 1.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1146, 59.4821] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK3I",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "1928",
    "depth": 11.7,
    "PO4": 0.44,
    "SiOH4": 11.14,
    "NO3_NO2": 1.3,
    "NO2": 0.31,
    "NH4": 1.55,
    "NO3": 0.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1146, 59.4821] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK3I",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "1928",
    "depth": 20.0,
    "PO4": 0.51,
    "SiOH4": 9.34,
    "NO3_NO2": 1.11,
    "NO2": 0.26,
    "NH4": 2.08,
    "NO3": 0.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1146, 59.4821] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK3I",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "1928",
    "depth": 30.7,
    "PO4": 0.51,
    "SiOH4": 10.5,
    "NO3_NO2": 1.52,
    "NO2": 0.28,
    "NH4": 2.41,
    "NO3": 1.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1146, 59.4821] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK3I",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "1928",
    "depth": 41.2,
    "PO4": 0.61,
    "SiOH4": 12.4,
    "NO3_NO2": 2.7,
    "NO2": 0.28,
    "NH4": 1.91,
    "NO3": 2.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1146, 59.4821] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK3I",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "1928",
    "depth": 52.3,
    "PO4": 0.88,
    "SiOH4": 18.25,
    "NO3_NO2": 6.84,
    "NO2": 0.17,
    "NH4": 0.69,
    "NO3": 6.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1146, 59.4821] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK3I",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "1928",
    "depth": 74.2,
    "PO4": 0.93,
    "SiOH4": 23.95,
    "NO3_NO2": 8.44,
    "NO2": 0.34,
    "NH4": 1.12,
    "NO3": 8.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1146, 59.4821] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK3I",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "1928",
    "depth": 96.3,
    "PO4": 0.95,
    "SiOH4": 22.45,
    "NO3_NO2": 10.17,
    "NO2": 0.27,
    "NH4": 1.52,
    "NO3": 9.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1146, 59.4821] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK3I",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "1928",
    "depth": 149.5,
    "PO4": 1.19,
    "SiOH4": 29.16,
    "NO3_NO2": 11.55,
    "NO2": 0.17,
    "NH4": 2.24,
    "NO3": 11.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1146, 59.4821] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK3I",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "01",
    "time_gmt": "1928",
    "depth": 194.9,
    "PO4": 1.28,
    "SiOH4": 31.8,
    "NO3_NO2": 12.35,
    "NO2": 0.18,
    "NH4": 2.19,
    "NO3": 12.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0477, 59.4082] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "1615",
    "depth": 2.1,
    "PO4": 0.97,
    "SiOH4": 30.66,
    "NO3_NO2": 19.67,
    "NO2": 0.18,
    "NH4": 2.09,
    "NO3": 19.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0477, 59.4082] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "1615",
    "depth": 8.6,
    "PO4": 0.94,
    "SiOH4": 27.06,
    "NO3_NO2": 13.89,
    "NO2": 0.31,
    "NH4": 1.34,
    "NO3": 13.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0477, 59.4082] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "1615",
    "depth": 20.8,
    "PO4": 1.02,
    "SiOH4": 18.95,
    "NO3_NO2": 12.51,
    "NO2": 0.29,
    "NH4": 1.28,
    "NO3": 12.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0477, 59.4082] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "1615",
    "depth": 30.3,
    "PO4": 0.94,
    "SiOH4": 27.31,
    "NO3_NO2": 13.97,
    "NO2": 0.32,
    "NH4": 1.15,
    "NO3": 13.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0477, 59.4082] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "1615",
    "depth": 41.5,
    "PO4": 0.73,
    "SiOH4": 19.84,
    "NO3_NO2": 11.85,
    "NO2": 0.29,
    "NH4": 1.12,
    "NO3": 11.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0477, 59.4082] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "1615",
    "depth": 51.6,
    "PO4": 0.78,
    "SiOH4": 21.74,
    "NO3_NO2": 13.49,
    "NO2": 0.27,
    "NH4": 1.23,
    "NO3": 13.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0477, 59.4082] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "1615",
    "depth": 100.9,
    "PO4": 1.02,
    "SiOH4": 21.38,
    "NO3_NO2": 13.85,
    "NO2": 0.28,
    "NH4": 1.37,
    "NO3": 13.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0477, 59.4082] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "1615",
    "depth": 150.8,
    "PO4": 1.1,
    "SiOH4": 25.54,
    "NO3_NO2": 16.49,
    "NO2": 0.27,
    "NH4": 1.22,
    "NO3": 16.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0477, 59.4082] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "1615",
    "depth": 197.8,
    "PO4": 1.25,
    "SiOH4": 30.35,
    "NO3_NO2": 18.77,
    "NO2": 0.25,
    "NH4": 1.36,
    "NO3": 18.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9088, 59.2613] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 13,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "1830",
    "depth": 2.0,
    "PO4": 1.03,
    "SiOH4": 23.85,
    "NO3_NO2": 14.28,
    "NO2": 0.28,
    "NH4": 1.63,
    "NO3": 14.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9088, 59.2613] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 13,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "1830",
    "depth": 12.0,
    "PO4": 0.79,
    "SiOH4": 16.05,
    "NO3_NO2": 9.78,
    "NO2": 0.2,
    "NH4": 1.19,
    "NO3": 9.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9088, 59.2613] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 13,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "1830",
    "depth": 21.7,
    "PO4": 0.95,
    "SiOH4": 23.45,
    "NO3_NO2": 14.17,
    "NO2": 0.27,
    "NH4": 3.03,
    "NO3": 13.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9088, 59.2613] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 13,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "1830",
    "depth": 31.8,
    "PO4": 0.99,
    "SiOH4": 26.96,
    "NO3_NO2": 14.07,
    "NO2": 0.27,
    "NH4": 1.45,
    "NO3": 13.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9088, 59.2613] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 13,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "1830",
    "depth": 41.3,
    "PO4": 0.94,
    "SiOH4": 19.82,
    "NO3_NO2": 11.86,
    "NO2": 0.24,
    "NH4": 1.2,
    "NO3": 11.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9088, 59.2613] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 13,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "1830",
    "depth": 50.4,
    "PO4": 1.0,
    "SiOH4": 17.52,
    "NO3_NO2": 10.66,
    "NO2": 0.22,
    "NH4": 1.15,
    "NO3": 10.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9088, 59.2613] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 13,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "1830",
    "depth": 99.1,
    "PO4": 1.0,
    "SiOH4": 20.39,
    "NO3_NO2": 12.39,
    "NO2": 0.16,
    "NH4": 1.23,
    "NO3": 12.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9088, 59.2613] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 13,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "1830",
    "depth": 163.7,
    "PO4": 1.34,
    "SiOH4": 31.66,
    "NO3_NO2": 19.43,
    "NO2": 0.22,
    "NH4": 1.75,
    "NO3": 19.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7706, 59.1169] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "2011",
    "depth": 2.0,
    "PO4": 0.95,
    "SiOH4": 22.57,
    "NO3_NO2": 13.75,
    "NO2": 0.28,
    "NH4": 1.02,
    "NO3": 13.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7706, 59.1169] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "2011",
    "depth": 12.5,
    "PO4": 0.94,
    "SiOH4": 21.56,
    "NO3_NO2": 12.91,
    "NO2": 0.27,
    "NH4": 1.02,
    "NO3": 12.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7706, 59.1169] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "2011",
    "depth": 22.3,
    "PO4": 0.97,
    "SiOH4": 23.46,
    "NO3_NO2": 13.82,
    "NO2": 0.29,
    "NH4": 1.14,
    "NO3": 13.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7706, 59.1169] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "2011",
    "depth": 31.4,
    "PO4": 0.97,
    "SiOH4": 22.78,
    "NO3_NO2": 13.9,
    "NO2": 0.29,
    "NH4": 1.34,
    "NO3": 13.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7706, 59.1169] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "2011",
    "depth": 41.6,
    "PO4": 1.0,
    "SiOH4": 22.74,
    "NO3_NO2": 13.98,
    "NO2": 0.27,
    "NH4": 1.26,
    "NO3": 13.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7706, 59.1169] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "2011",
    "depth": 51.0,
    "PO4": 1.08,
    "SiOH4": 25.61,
    "NO3_NO2": 13.7,
    "NO2": 0.3,
    "NH4": 1.42,
    "NO3": 13.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7706, 59.1169] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "2011",
    "depth": 75.0,
    "PO4": 0.99,
    "SiOH4": 21.69,
    "NO3_NO2": 13.42,
    "NO2": 0.27,
    "NH4": 1.27,
    "NO3": 13.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7706, 59.1169] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "2011",
    "depth": 101.8,
    "PO4": 1.05,
    "SiOH4": 21.98,
    "NO3_NO2": 12.4,
    "NO2": 0.1,
    "NH4": 1.16,
    "NO3": 12.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7706, 59.1169] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "2011",
    "depth": 137.8,
    "PO4": 1.29,
    "SiOH4": 25.46,
    "NO3_NO2": 18.06,
    "NO2": 0.25,
    "NH4": 1.24,
    "NO3": 17.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6323, 58.9735] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK7",
    "water_depth": 240,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "2156",
    "depth": 1.7,
    "PO4": 0.97,
    "SiOH4": 20.59,
    "NO3_NO2": 12.38,
    "NO2": 0.26,
    "NH4": 1.41,
    "NO3": 12.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6323, 58.9735] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK7",
    "water_depth": 240,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "2156",
    "depth": 9.3,
    "PO4": 0.99,
    "SiOH4": 21.2,
    "NO3_NO2": 11.73,
    "NO2": 0.26,
    "NH4": 1.51,
    "NO3": 11.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6323, 58.9735] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK7",
    "water_depth": 240,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "2156",
    "depth": 22.1,
    "PO4": 1.02,
    "SiOH4": 20.53,
    "NO3_NO2": 12.18,
    "NO2": 0.26,
    "NH4": 1.4,
    "NO3": 11.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6323, 58.9735] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK7",
    "water_depth": 240,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "2156",
    "depth": 31.7,
    "PO4": 1.0,
    "SiOH4": 23.4,
    "NO3_NO2": 12.17,
    "NO2": 0.26,
    "NH4": 1.46,
    "NO3": 11.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6323, 58.9735] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK7",
    "water_depth": 240,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "2156",
    "depth": 41.0,
    "PO4": 0.91,
    "SiOH4": 16.92,
    "NO3_NO2": 11.16,
    "NO2": 0.24,
    "NH4": 1.43,
    "NO3": 10.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6323, 58.9735] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK7",
    "water_depth": 240,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "2156",
    "depth": 51.8,
    "PO4": 0.84,
    "SiOH4": 13.66,
    "NO3_NO2": 9.23,
    "NO2": 0.21,
    "NH4": 1.09,
    "NO3": 9.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6323, 58.9735] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK7",
    "water_depth": 240,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "2156",
    "depth": 75.7,
    "PO4": 1.13,
    "SiOH4": 19.77,
    "NO3_NO2": 13.07,
    "NO2": 0.29,
    "NH4": 1.46,
    "NO3": 12.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6323, 58.9735] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK7",
    "water_depth": 240,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "2156",
    "depth": 98.7,
    "PO4": 0.99,
    "SiOH4": 18.12,
    "NO3_NO2": 12.33,
    "NO2": 0.25,
    "NH4": 1.18,
    "NO3": 12.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6323, 58.9735] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK7",
    "water_depth": 240,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "2156",
    "depth": 146.5,
    "PO4": 1.28,
    "SiOH4": 26.49,
    "NO3_NO2": 16.99,
    "NO2": 0.25,
    "NH4": 1.34,
    "NO3": 16.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6323, 58.9735] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK7",
    "water_depth": 240,
    "month_gmt": "4",
    "day_gmt": "02",
    "time_gmt": "2156",
    "depth": 234.1,
    "PO4": 2.04,
    "SiOH4": 64.91,
    "NO3_NO2": 31.72,
    "NO2": 0.13,
    "NH4": 1.19,
    "NO3": 31.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0134, 60.2826] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "KIP1",
    "water_depth": 542,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "0804",
    "depth": 2.0,
    "PO4": 0.61,
    "SiOH4": 13.51,
    "NO3_NO2": 2.06,
    "NO2": 0.22,
    "NH4": 2.94,
    "NO3": 1.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0134, 60.2826] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "KIP1",
    "water_depth": 542,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "0804",
    "depth": 11.9,
    "PO4": 0.57,
    "SiOH4": 13.8,
    "NO3_NO2": 2.05,
    "NO2": 0.21,
    "NH4": 2.42,
    "NO3": 1.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0134, 60.2826] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "KIP1",
    "water_depth": 542,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "0804",
    "depth": 21.0,
    "PO4": 0.68,
    "SiOH4": 15.07,
    "NO3_NO2": 2.78,
    "NO2": 0.22,
    "NH4": 3.2,
    "NO3": 2.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0134, 60.2826] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "KIP1",
    "water_depth": 542,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "0804",
    "depth": 31.6,
    "PO4": 0.99,
    "SiOH4": 19.88,
    "NO3_NO2": 10.64,
    "NO2": 0.21,
    "NH4": 1.63,
    "NO3": 10.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0134, 60.2826] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "KIP1",
    "water_depth": 542,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "0804",
    "depth": 41.5,
    "PO4": 0.97,
    "SiOH4": 19.53,
    "NO3_NO2": 10.82,
    "NO2": 0.17,
    "NH4": 1.67,
    "NO3": 10.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0134, 60.2826] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "KIP1",
    "water_depth": 542,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "0804",
    "depth": 51.8,
    "PO4": 0.91,
    "SiOH4": 20.79,
    "NO3_NO2": 11.82,
    "NO2": 0.18,
    "NH4": 1.21,
    "NO3": 11.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0134, 60.2826] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "KIP1",
    "water_depth": 542,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "0804",
    "depth": 76.6,
    "PO4": 1.02,
    "SiOH4": 20.77,
    "NO3_NO2": 11.99,
    "NO2": 0.15,
    "NH4": 1.74,
    "NO3": 11.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0134, 60.2826] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "KIP1",
    "water_depth": 542,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "0804",
    "depth": 101.6,
    "PO4": null,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": null,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0134, 60.2826] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "KIP1",
    "water_depth": 542,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "0804",
    "depth": 200.4,
    "PO4": 1.16,
    "SiOH4": 25.23,
    "NO3_NO2": 14.54,
    "NO2": 0.14,
    "NH4": 1.37,
    "NO3": 14.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0134, 60.2826] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "KIP1",
    "water_depth": 542,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "0804",
    "depth": 299.4,
    "PO4": 1.25,
    "SiOH4": 25.2,
    "NO3_NO2": 15.08,
    "NO2": 0.11,
    "NH4": 1.09,
    "NO3": 14.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9859, 60.2828] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "KIP2",
    "water_depth": 568,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "0843",
    "depth": 1.8,
    "PO4": 0.55,
    "SiOH4": 31.63,
    "NO3_NO2": 3.09,
    "NO2": 0.23,
    "NH4": 1.77,
    "NO3": 2.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9859, 60.2828] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "KIP2",
    "water_depth": 568,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "0843",
    "depth": 11.9,
    "PO4": 0.73,
    "SiOH4": 34.19,
    "NO3_NO2": 6.56,
    "NO2": 0.26,
    "NH4": 1.81,
    "NO3": 6.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9859, 60.2828] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "KIP2",
    "water_depth": 568,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "0843",
    "depth": 21.7,
    "PO4": 0.81,
    "SiOH4": 19.62,
    "NO3_NO2": 9.48,
    "NO2": 0.27,
    "NH4": 1.92,
    "NO3": 9.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9859, 60.2828] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "KIP2",
    "water_depth": 568,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "0843",
    "depth": 41.4,
    "PO4": 0.87,
    "SiOH4": 22.15,
    "NO3_NO2": 11.57,
    "NO2": 0.26,
    "NH4": 1.64,
    "NO3": 11.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9859, 60.2828] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "KIP2",
    "water_depth": 568,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "0843",
    "depth": 47.5,
    "PO4": 1.0,
    "SiOH4": 19.21,
    "NO3_NO2": 10.65,
    "NO2": 0.22,
    "NH4": 2.67,
    "NO3": 10.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9859, 60.2828] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "KIP2",
    "water_depth": 568,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "0843",
    "depth": 76.4,
    "PO4": null,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": null,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9859, 60.2828] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "KIP2",
    "water_depth": 568,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "0843",
    "depth": 101.8,
    "PO4": 1.13,
    "SiOH4": 23.03,
    "NO3_NO2": 13.47,
    "NO2": 0.17,
    "NH4": 1.31,
    "NO3": 13.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9859, 60.2828] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "KIP2",
    "water_depth": 568,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "0843",
    "depth": 202.2,
    "PO4": 1.28,
    "SiOH4": 24.94,
    "NO3_NO2": 14.66,
    "NO2": 0.13,
    "NH4": 1.38,
    "NO3": 14.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9859, 60.2828] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "KIP2",
    "water_depth": 568,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "0843",
    "depth": 301.5,
    "PO4": 1.62,
    "SiOH4": 32.66,
    "NO3_NO2": 18.77,
    "NO2": 0.13,
    "NH4": 1.33,
    "NO3": 18.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9606, 60.2836] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "KIP3",
    "water_depth": 422,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "0913",
    "depth": 1.9,
    "PO4": 0.15,
    "SiOH4": 15.48,
    "NO3_NO2": 3.61,
    "NO2": 0.28,
    "NH4": 2.68,
    "NO3": 3.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9606, 60.2836] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "KIP3",
    "water_depth": 422,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "0913",
    "depth": 12.0,
    "PO4": 0.13,
    "SiOH4": 16.45,
    "NO3_NO2": 6.43,
    "NO2": 0.31,
    "NH4": 1.67,
    "NO3": 6.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9606, 60.2836] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "KIP3",
    "water_depth": 422,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "0913",
    "depth": 21.6,
    "PO4": 0.14,
    "SiOH4": 16.77,
    "NO3_NO2": 8.57,
    "NO2": 0.29,
    "NH4": 2.03,
    "NO3": 8.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9606, 60.2836] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "KIP3",
    "water_depth": 422,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "0913",
    "depth": 31.7,
    "PO4": 0.29,
    "SiOH4": 18.71,
    "NO3_NO2": 12.52,
    "NO2": 0.29,
    "NH4": 1.83,
    "NO3": 12.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9606, 60.2836] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "KIP3",
    "water_depth": 422,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "0913",
    "depth": 41.6,
    "PO4": 0.62,
    "SiOH4": 19.68,
    "NO3_NO2": 14.21,
    "NO2": 0.28,
    "NH4": 1.59,
    "NO3": 13.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9606, 60.2836] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "KIP3",
    "water_depth": 422,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "0913",
    "depth": 51.4,
    "PO4": 0.82,
    "SiOH4": 19.68,
    "NO3_NO2": 14.77,
    "NO2": 0.25,
    "NH4": 1.17,
    "NO3": 14.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9606, 60.2836] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "KIP3",
    "water_depth": 422,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "0913",
    "depth": 76.1,
    "PO4": 0.85,
    "SiOH4": 17.74,
    "NO3_NO2": 13.4,
    "NO2": 0.23,
    "NH4": 1.26,
    "NO3": 13.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9606, 60.2836] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "KIP3",
    "water_depth": 422,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "0913",
    "depth": 198.5,
    "PO4": 1.14,
    "SiOH4": 24.84,
    "NO3_NO2": 19.73,
    "NO2": 0.19,
    "NH4": 0.94,
    "NO3": 19.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9606, 60.2836] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "KIP3",
    "water_depth": 422,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "0913",
    "depth": 299.0,
    "PO4": 1.41,
    "SiOH4": 30.0,
    "NO3_NO2": 23.79,
    "NO2": 0.19,
    "NH4": 1.12,
    "NO3": 23.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8287, 59.9208] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 21,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1513",
    "depth": 1.4,
    "PO4": 1.1,
    "SiOH4": 18.71,
    "NO3_NO2": 13.94,
    "NO2": 0.3,
    "NH4": 1.34,
    "NO3": 13.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8287, 59.9208] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 21,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1513",
    "depth": 11.7,
    "PO4": 1.11,
    "SiOH4": 18.39,
    "NO3_NO2": 13.82,
    "NO2": 0.3,
    "NH4": 1.78,
    "NO3": 13.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8287, 59.9208] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 21,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1513",
    "depth": 20.9,
    "PO4": 1.08,
    "SiOH4": 19.35,
    "NO3_NO2": 14.04,
    "NO2": 0.32,
    "NH4": 1.32,
    "NO3": 13.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8287, 59.9208] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 21,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1513",
    "depth": 30.4,
    "PO4": 1.06,
    "SiOH4": 18.39,
    "NO3_NO2": 14.37,
    "NO2": 0.28,
    "NH4": 1.45,
    "NO3": 14.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8287, 59.9208] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 21,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1513",
    "depth": 40.9,
    "PO4": 1.08,
    "SiOH4": 19.68,
    "NO3_NO2": 15.26,
    "NO2": 0.25,
    "NH4": 1.85,
    "NO3": 15.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8287, 59.9208] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 21,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1513",
    "depth": 51.1,
    "PO4": 1.05,
    "SiOH4": 19.35,
    "NO3_NO2": 15.26,
    "NO2": 0.22,
    "NH4": 1.19,
    "NO3": 15.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8287, 59.9208] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 21,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1513",
    "depth": 75.8,
    "PO4": 1.0,
    "SiOH4": 18.39,
    "NO3_NO2": 13.78,
    "NO2": 0.18,
    "NH4": 1.27,
    "NO3": 13.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8287, 59.9208] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 21,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1513",
    "depth": 110.7,
    "PO4": 1.37,
    "SiOH4": 22.58,
    "NO3_NO2": 17.61,
    "NO2": 0.23,
    "NH4": 1.02,
    "NO3": 17.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8564, 59.9319] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 22,
    "stn_id": "MS3",
    "water_depth": 167,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1535",
    "depth": 2.0,
    "PO4": 1.07,
    "SiOH4": 21.5,
    "NO3_NO2": 10.99,
    "NO2": null,
    "NH4": 1.39,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8564, 59.9319] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 22,
    "stn_id": "MS3",
    "water_depth": 167,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1535",
    "depth": 11.4,
    "PO4": 1.12,
    "SiOH4": 21.18,
    "NO3_NO2": 10.71,
    "NO2": 3.29,
    "NH4": 1.01,
    "NO3": 9.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8564, 59.9319] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 22,
    "stn_id": "MS3",
    "water_depth": 167,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1535",
    "depth": 21.4,
    "PO4": 1.18,
    "SiOH4": 21.18,
    "NO3_NO2": 11.32,
    "NO2": 3.11,
    "NH4": 1.32,
    "NO3": 7.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8564, 59.9319] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 22,
    "stn_id": "MS3",
    "water_depth": 167,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1535",
    "depth": 30.5,
    "PO4": 1.18,
    "SiOH4": 22.43,
    "NO3_NO2": 12.77,
    "NO2": 3.07,
    "NH4": 0.74,
    "NO3": 10.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8564, 59.9319] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 22,
    "stn_id": "MS3",
    "water_depth": 167,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1535",
    "depth": 40.6,
    "PO4": 1.43,
    "SiOH4": 22.43,
    "NO3_NO2": 12.95,
    "NO2": 2.95,
    "NH4": 0.61,
    "NO3": 12.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8564, 59.9319] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 22,
    "stn_id": "MS3",
    "water_depth": 167,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1535",
    "depth": 50.9,
    "PO4": 1.28,
    "SiOH4": 23.99,
    "NO3_NO2": 13.63,
    "NO2": 2.83,
    "NH4": 0.62,
    "NO3": 14.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8564, 59.9319] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 22,
    "stn_id": "MS3",
    "water_depth": 167,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1535",
    "depth": 74.5,
    "PO4": 1.27,
    "SiOH4": 24.3,
    "NO3_NO2": 13.78,
    "NO2": 2.55,
    "NH4": 0.74,
    "NO3": 19.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8564, 59.9319] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 22,
    "stn_id": "MS3",
    "water_depth": 167,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1535",
    "depth": 100.0,
    "PO4": 1.32,
    "SiOH4": 25.23,
    "NO3_NO2": 14.54,
    "NO2": 2.4,
    "NH4": 0.64,
    "NO3": 26.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8564, 59.9319] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 22,
    "stn_id": "MS3",
    "water_depth": 167,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1535",
    "depth": 169.0,
    "PO4": 1.41,
    "SiOH4": 26.79,
    "NO3_NO2": 15.52,
    "NO2": 2.31,
    "NH4": 0.68,
    "NO3": 38.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8792, 59.9433] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "MS2",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1559",
    "depth": 2.2,
    "PO4": 1.18,
    "SiOH4": 20.87,
    "NO3_NO2": 10.25,
    "NO2": 2.35,
    "NH4": 1.15,
    "NO3": 11.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8792, 59.9433] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "MS2",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1559",
    "depth": 12.0,
    "PO4": 1.14,
    "SiOH4": 21.5,
    "NO3_NO2": 10.97,
    "NO2": 2.1,
    "NH4": 0.93,
    "NO3": 6.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8792, 59.9433] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "MS2",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1559",
    "depth": 21.0,
    "PO4": 1.12,
    "SiOH4": 21.5,
    "NO3_NO2": 11.42,
    "NO2": 2.09,
    "NH4": 0.91,
    "NO3": 10.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8792, 59.9433] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "MS2",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1559",
    "depth": 30.9,
    "PO4": 1.18,
    "SiOH4": 21.81,
    "NO3_NO2": 11.84,
    "NO2": 1.88,
    "NH4": 0.71,
    "NO3": 7.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8792, 59.9433] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "MS2",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1559",
    "depth": 49.3,
    "PO4": 1.15,
    "SiOH4": 21.81,
    "NO3_NO2": 12.33,
    "NO2": 1.73,
    "NH4": 1.19,
    "NO3": 5.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8792, 59.9433] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "MS2",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1559",
    "depth": 73.5,
    "PO4": 1.24,
    "SiOH4": 23.68,
    "NO3_NO2": 13.81,
    "NO2": 1.75,
    "NH4": 0.83,
    "NO3": 15.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8792, 59.9433] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "MS2",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1559",
    "depth": 99.6,
    "PO4": 1.25,
    "SiOH4": 23.05,
    "NO3_NO2": 13.23,
    "NO2": 1.55,
    "NH4": 0.68,
    "NO3": 27.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8792, 59.9433] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "MS2",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1559",
    "depth": 145.7,
    "PO4": 1.33,
    "SiOH4": 25.55,
    "NO3_NO2": 14.72,
    "NO2": 1.38,
    "NH4": 0.7,
    "NO3": 33.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8792, 59.9433] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "MS2",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1559",
    "depth": 194.6,
    "PO4": 1.38,
    "SiOH4": 27.1,
    "NO3_NO2": 15.13,
    "NO2": 1.26,
    "NH4": 0.76,
    "NO3": 40.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9129, 59.9581] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "MS1",
    "water_depth": 185,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1626",
    "depth": 1.4,
    "PO4": 1.07,
    "SiOH4": 12.15,
    "NO3_NO2": 3.9,
    "NO2": 1.29,
    "NH4": 1.39,
    "NO3": 13.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9129, 59.9581] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "MS1",
    "water_depth": 185,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1626",
    "depth": 11.8,
    "PO4": 1.07,
    "SiOH4": 20.56,
    "NO3_NO2": 9.97,
    "NO2": null,
    "NH4": 1.0,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9129, 59.9581] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "MS1",
    "water_depth": 185,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1626",
    "depth": 20.8,
    "PO4": 1.04,
    "SiOH4": 20.25,
    "NO3_NO2": 10.84,
    "NO2": 0.9,
    "NH4": 0.94,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9129, 59.9581] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "MS1",
    "water_depth": 185,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1626",
    "depth": 31.2,
    "PO4": 0.96,
    "SiOH4": 17.45,
    "NO3_NO2": 9.38,
    "NO2": 0.93,
    "NH4": 1.09,
    "NO3": 13.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9129, 59.9581] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "MS1",
    "water_depth": 185,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1626",
    "depth": 41.8,
    "PO4": 0.76,
    "SiOH4": 13.4,
    "NO3_NO2": 7.32,
    "NO2": 0.84,
    "NH4": 0.68,
    "NO3": 14.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9129, 59.9581] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "MS1",
    "water_depth": 185,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1626",
    "depth": 50.9,
    "PO4": 1.11,
    "SiOH4": 21.81,
    "NO3_NO2": 11.66,
    "NO2": 0.72,
    "NH4": 0.8,
    "NO3": 14.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9129, 59.9581] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "MS1",
    "water_depth": 185,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1626",
    "depth": 74.4,
    "PO4": 1.18,
    "SiOH4": 22.74,
    "NO3_NO2": 12.84,
    "NO2": 0.44,
    "NH4": 0.8,
    "NO3": 31.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9129, 59.9581] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "MS1",
    "water_depth": 185,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1626",
    "depth": 98.1,
    "PO4": 1.23,
    "SiOH4": 23.36,
    "NO3_NO2": 13.18,
    "NO2": 0.31,
    "NH4": 0.72,
    "NO3": 38.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9129, 59.9581] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "MS1",
    "water_depth": 185,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1626",
    "depth": 171.9,
    "PO4": 1.18,
    "SiOH4": 24.61,
    "NO3_NO2": 13.56,
    "NO2": null,
    "NH4": 0.81,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4919, 58.7917] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 34,
    "stn_id": "GAK8",
    "water_depth": 291,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "1711",
    "depth": 10.7,
    "PO4": 0.21,
    "SiOH4": 12.33,
    "NO3_NO2": 12.88,
    "NO2": 3.29,
    "NH4": 0.81,
    "NO3": 9.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4919, 58.7917] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 34,
    "stn_id": "GAK8",
    "water_depth": 291,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "1711",
    "depth": 20.7,
    "PO4": 0.21,
    "SiOH4": 9.78,
    "NO3_NO2": 10.38,
    "NO2": 3.11,
    "NH4": 0.78,
    "NO3": 7.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4919, 58.7917] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 34,
    "stn_id": "GAK8",
    "water_depth": 291,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "1711",
    "depth": 33.0,
    "PO4": 0.31,
    "SiOH4": 13.05,
    "NO3_NO2": 13.77,
    "NO2": 3.07,
    "NH4": 1.01,
    "NO3": 10.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4919, 58.7917] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 34,
    "stn_id": "GAK8",
    "water_depth": 291,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "1711",
    "depth": 41.0,
    "PO4": 0.21,
    "SiOH4": 14.37,
    "NO3_NO2": 15.23,
    "NO2": 2.95,
    "NH4": 1.02,
    "NO3": 12.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4919, 58.7917] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 34,
    "stn_id": "GAK8",
    "water_depth": 291,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "1711",
    "depth": 51.4,
    "PO4": 0.44,
    "SiOH4": 16.99,
    "NO3_NO2": 17.48,
    "NO2": 2.83,
    "NH4": 1.01,
    "NO3": 14.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4919, 58.7917] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 34,
    "stn_id": "GAK8",
    "water_depth": 291,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "1711",
    "depth": 98.3,
    "PO4": 0.5,
    "SiOH4": 24.12,
    "NO3_NO2": 22.11,
    "NO2": 2.55,
    "NH4": 0.86,
    "NO3": 19.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4919, 58.7917] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 34,
    "stn_id": "GAK8",
    "water_depth": 291,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "1711",
    "depth": 202.0,
    "PO4": 0.66,
    "SiOH4": 34.16,
    "NO3_NO2": 28.55,
    "NO2": 2.4,
    "NH4": 1.12,
    "NO3": 26.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4919, 58.7917] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 34,
    "stn_id": "GAK8",
    "water_depth": 291,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "1711",
    "depth": 284.7,
    "PO4": 1.25,
    "SiOH4": 53.23,
    "NO3_NO2": 40.65,
    "NO2": 2.31,
    "NH4": 0.89,
    "NO3": 38.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4216, 58.744] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 35,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "1835",
    "depth": 1.8,
    "PO4": 0.55,
    "SiOH4": 13.58,
    "NO3_NO2": 14.17,
    "NO2": 2.35,
    "NH4": 0.92,
    "NO3": 11.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4216, 58.744] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 35,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "1835",
    "depth": 10.4,
    "PO4": 0.16,
    "SiOH4": 7.17,
    "NO3_NO2": 8.73,
    "NO2": 2.1,
    "NH4": 0.83,
    "NO3": 6.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4216, 58.744] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 35,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "1835",
    "depth": 22.8,
    "PO4": 0.42,
    "SiOH4": 12.37,
    "NO3_NO2": 13.02,
    "NO2": 2.09,
    "NH4": 1.02,
    "NO3": 10.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4216, 58.744] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 35,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "1835",
    "depth": 33.8,
    "PO4": 0.31,
    "SiOH4": 8.21,
    "NO3_NO2": 9.51,
    "NO2": 1.88,
    "NH4": 0.91,
    "NO3": 7.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4216, 58.744] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 35,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "1835",
    "depth": 42.4,
    "PO4": 0.14,
    "SiOH4": 5.99,
    "NO3_NO2": 7.58,
    "NO2": 1.73,
    "NH4": 0.87,
    "NO3": 5.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4216, 58.744] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 35,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "1835",
    "depth": 74.5,
    "PO4": 0.29,
    "SiOH4": 17.63,
    "NO3_NO2": 17.64,
    "NO2": 1.75,
    "NH4": 0.9,
    "NO3": 15.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4216, 58.744] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 35,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "1835",
    "depth": 101.5,
    "PO4": 0.26,
    "SiOH4": 33.48,
    "NO3_NO2": 29.28,
    "NO2": 1.55,
    "NH4": 0.86,
    "NO3": 27.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4216, 58.744] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 35,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "1835",
    "depth": 206.3,
    "PO4": 1.03,
    "SiOH4": 41.25,
    "NO3_NO2": 34.81,
    "NO2": 1.38,
    "NH4": 0.81,
    "NO3": 33.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4216, 58.744] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 35,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "1835",
    "depth": 283.5,
    "PO4": 1.49,
    "SiOH4": 56.77,
    "NO3_NO2": 41.48,
    "NO2": 1.26,
    "NH4": 0.94,
    "NO3": 40.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3503, 58.6805] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 36,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "1940",
    "depth": 1.7,
    "PO4": 0.44,
    "SiOH4": 13.26,
    "NO3_NO2": 14.32,
    "NO2": 1.29,
    "NH4": 0.92,
    "NO3": 13.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3503, 58.6805] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 36,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "1940",
    "depth": 20.8,
    "PO4": null,
    "SiOH4": 13.33,
    "NO3_NO2": 14.42,
    "NO2": 0.9,
    "NH4": 0.85,
    "NO3": 13.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3503, 58.6805] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 36,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "1940",
    "depth": 38.7,
    "PO4": 0.5,
    "SiOH4": 14.01,
    "NO3_NO2": 14.41,
    "NO2": 0.93,
    "NH4": 0.98,
    "NO3": 13.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3503, 58.6805] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 36,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "1940",
    "depth": 50.8,
    "PO4": 0.52,
    "SiOH4": 14.05,
    "NO3_NO2": 15.53,
    "NO2": 0.84,
    "NH4": 0.82,
    "NO3": 14.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3503, 58.6805] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 36,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "1940",
    "depth": 110.3,
    "PO4": 0.44,
    "SiOH4": 32.15,
    "NO3_NO2": 15.52,
    "NO2": 0.72,
    "NH4": 1.05,
    "NO3": 14.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3503, 58.6805] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 36,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "1940",
    "depth": 201.2,
    "PO4": 0.98,
    "SiOH4": 47.99,
    "NO3_NO2": 31.81,
    "NO2": 0.44,
    "NH4": 0.97,
    "NO3": 31.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3503, 58.6805] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 36,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "1940",
    "depth": 275.4,
    "PO4": null,
    "SiOH4": 61.9,
    "NO3_NO2": 38.81,
    "NO2": 0.31,
    "NH4": 0.85,
    "NO3": 38.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2817, 58.6145] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 38,
    "stn_id": "GAK9I",
    "water_depth": 645,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "2128",
    "depth": 1.5,
    "PO4": 1.61,
    "SiOH4": 16.27,
    "NO3_NO2": 11.97,
    "NO2": 0.28,
    "NH4": 0.89,
    "NO3": 11.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2817, 58.6145] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 38,
    "stn_id": "GAK9I",
    "water_depth": 645,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "2128",
    "depth": 24.5,
    "PO4": 1.41,
    "SiOH4": 15.26,
    "NO3_NO2": 11.42,
    "NO2": 0.28,
    "NH4": 0.72,
    "NO3": 11.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2817, 58.6145] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 38,
    "stn_id": "GAK9I",
    "water_depth": 645,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "2128",
    "depth": 53.4,
    "PO4": 1.48,
    "SiOH4": 16.81,
    "NO3_NO2": 12.86,
    "NO2": 0.34,
    "NH4": 0.77,
    "NO3": 12.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2817, 58.6145] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 38,
    "stn_id": "GAK9I",
    "water_depth": 645,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "2128",
    "depth": 73.3,
    "PO4": 1.7,
    "SiOH4": 20.92,
    "NO3_NO2": 16.59,
    "NO2": 0.27,
    "NH4": 0.64,
    "NO3": 16.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2817, 58.6145] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 38,
    "stn_id": "GAK9I",
    "water_depth": 645,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "2128",
    "depth": 104.9,
    "PO4": 2.18,
    "SiOH4": 32.07,
    "NO3_NO2": 24.83,
    "NO2": 0.17,
    "NH4": 0.64,
    "NO3": 24.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2817, 58.6145] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 38,
    "stn_id": "GAK9I",
    "water_depth": 645,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "2128",
    "depth": 203.2,
    "PO4": 3.12,
    "SiOH4": 47.38,
    "NO3_NO2": 32.52,
    "NO2": 0.15,
    "NH4": 0.67,
    "NO3": 32.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2817, 58.6145] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 38,
    "stn_id": "GAK9I",
    "water_depth": 645,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "2128",
    "depth": 303.9,
    "PO4": 2.94,
    "SiOH4": 49.89,
    "NO3_NO2": 36.36,
    "NO2": 0.16,
    "NH4": 0.64,
    "NO3": 36.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2817, 58.6145] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 38,
    "stn_id": "GAK9I",
    "water_depth": 645,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "2128",
    "depth": 634.9,
    "PO4": 3.28,
    "SiOH4": 68.72,
    "NO3_NO2": 40.54,
    "NO2": 0.16,
    "NH4": 0.6,
    "NO3": 40.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2126, 58.5406] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 39,
    "stn_id": "GAK10",
    "water_depth": 1450,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "2317",
    "depth": 1.9,
    "PO4": 1.6,
    "SiOH4": 16.51,
    "NO3_NO2": 12.32,
    "NO2": 0.32,
    "NH4": 0.74,
    "NO3": 12.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2126, 58.5406] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 39,
    "stn_id": "GAK10",
    "water_depth": 1450,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "2317",
    "depth": 24.2,
    "PO4": null,
    "SiOH4": 15.81,
    "NO3_NO2": 11.56,
    "NO2": 0.37,
    "NH4": null,
    "NO3": 11.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2126, 58.5406] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 39,
    "stn_id": "GAK10",
    "water_depth": 1450,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "2317",
    "depth": 52.2,
    "PO4": 1.59,
    "SiOH4": 15.76,
    "NO3_NO2": 11.89,
    "NO2": 0.31,
    "NH4": 0.74,
    "NO3": 11.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2126, 58.5406] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 39,
    "stn_id": "GAK10",
    "water_depth": 1450,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "2317",
    "depth": 78.9,
    "PO4": 1.62,
    "SiOH4": 16.67,
    "NO3_NO2": 13.1,
    "NO2": 0.33,
    "NH4": 0.72,
    "NO3": 12.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2126, 58.5406] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 39,
    "stn_id": "GAK10",
    "water_depth": 1450,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "2317",
    "depth": 104.1,
    "PO4": 2.25,
    "SiOH4": 31.98,
    "NO3_NO2": 24.74,
    "NO2": 0.16,
    "NH4": 0.64,
    "NO3": 24.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2126, 58.5406] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 39,
    "stn_id": "GAK10",
    "water_depth": 1450,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "2317",
    "depth": 250.4,
    "PO4": 2.92,
    "SiOH4": 49.21,
    "NO3_NO2": 34.85,
    "NO2": 0.15,
    "NH4": 0.61,
    "NO3": 34.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2126, 58.5406] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 39,
    "stn_id": "GAK10",
    "water_depth": 1450,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "2317",
    "depth": 501.7,
    "PO4": 3.39,
    "SiOH4": 60.04,
    "NO3_NO2": 40.67,
    "NO2": 0.15,
    "NH4": 0.69,
    "NO3": 40.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2126, 58.5406] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 39,
    "stn_id": "GAK10",
    "water_depth": 1450,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "2317",
    "depth": 938.3,
    "PO4": 3.47,
    "SiOH4": 67.35,
    "NO3_NO2": 41.33,
    "NO2": 0.16,
    "NH4": 0.66,
    "NO3": 41.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0806, 58.3862] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 40,
    "stn_id": "GAK11",
    "water_depth": 2000,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0225",
    "depth": 3.1,
    "PO4": 1.66,
    "SiOH4": 15.78,
    "NO3_NO2": 12.68,
    "NO2": 0.32,
    "NH4": 0.63,
    "NO3": 12.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0806, 58.3862] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 40,
    "stn_id": "GAK11",
    "water_depth": 2000,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0225",
    "depth": 21.3,
    "PO4": 1.68,
    "SiOH4": 15.73,
    "NO3_NO2": 12.68,
    "NO2": 0.32,
    "NH4": 0.69,
    "NO3": 12.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0806, 58.3862] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 40,
    "stn_id": "GAK11",
    "water_depth": 2000,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0225",
    "depth": 40.0,
    "PO4": 1.47,
    "SiOH4": 13.76,
    "NO3_NO2": 11.47,
    "NO2": 0.28,
    "NH4": 0.6,
    "NO3": 11.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0806, 58.3862] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 40,
    "stn_id": "GAK11",
    "water_depth": 2000,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0225",
    "depth": 60.7,
    "PO4": 1.75,
    "SiOH4": 20.11,
    "NO3_NO2": 16.42,
    "NO2": 0.27,
    "NH4": 0.79,
    "NO3": 16.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0806, 58.3862] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 40,
    "stn_id": "GAK11",
    "water_depth": 2000,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0225",
    "depth": 79.7,
    "PO4": 2.21,
    "SiOH4": 29.98,
    "NO3_NO2": 23.34,
    "NO2": 0.18,
    "NH4": 0.65,
    "NO3": 23.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0806, 58.3862] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 40,
    "stn_id": "GAK11",
    "water_depth": 2000,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0225",
    "depth": 100.9,
    "PO4": 2.33,
    "SiOH4": 32.81,
    "NO3_NO2": 25.21,
    "NO2": 0.17,
    "NH4": 0.72,
    "NO3": 25.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0806, 58.3862] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 40,
    "stn_id": "GAK11",
    "water_depth": 2000,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0225",
    "depth": 249.1,
    "PO4": 2.98,
    "SiOH4": 56.12,
    "NO3_NO2": 33.99,
    "NO2": 0.16,
    "NH4": 0.8,
    "NO3": 33.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0806, 58.3862] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 40,
    "stn_id": "GAK11",
    "water_depth": 2000,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0225",
    "depth": 500.0,
    "PO4": 3.27,
    "SiOH4": 74.95,
    "NO3_NO2": 38.5,
    "NO2": 0.14,
    "NH4": 0.69,
    "NO3": 38.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0806, 58.3862] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 40,
    "stn_id": "GAK11",
    "water_depth": 2000,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0225",
    "depth": 1354.3,
    "PO4": 3.23,
    "SiOH4": 69.46,
    "NO3_NO2": 37.84,
    "NO2": 0.16,
    "NH4": 1.63,
    "NO3": 37.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.5835] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 44,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1422",
    "depth": 4.4,
    "PO4": 1.65,
    "SiOH4": 16.93,
    "NO3_NO2": 12.81,
    "NO2": 0.33,
    "NH4": 0.74,
    "NO3": 12.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.5835] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 44,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1422",
    "depth": 20.2,
    "PO4": 1.6,
    "SiOH4": 16.88,
    "NO3_NO2": 12.81,
    "NO2": 0.32,
    "NH4": 0.76,
    "NO3": 12.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.5835] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 44,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1422",
    "depth": 40.9,
    "PO4": 1.46,
    "SiOH4": 15.23,
    "NO3_NO2": 11.61,
    "NO2": 0.3,
    "NH4": 0.7,
    "NO3": 11.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.5835] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 44,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1422",
    "depth": 83.4,
    "PO4": 1.53,
    "SiOH4": 15.81,
    "NO3_NO2": 12.49,
    "NO2": 0.34,
    "NH4": 2.02,
    "NO3": 12.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.5835] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 44,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1422",
    "depth": 100.1,
    "PO4": 1.39,
    "SiOH4": 13.52,
    "NO3_NO2": 11.95,
    "NO2": 0.42,
    "NH4": 0.79,
    "NO3": 11.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.5835] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 44,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1422",
    "depth": 171.4,
    "PO4": 1.64,
    "SiOH4": 19.87,
    "NO3_NO2": 15.79,
    "NO2": 0.29,
    "NH4": 0.78,
    "NO3": 15.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8686, 59.6498] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 45,
    "stn_id": "CF9",
    "water_depth": 179,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1509",
    "depth": 1.5,
    "PO4": 1.37,
    "SiOH4": 16.3,
    "NO3_NO2": 12.39,
    "NO2": 0.31,
    "NH4": 0.75,
    "NO3": 12.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8686, 59.6498] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 45,
    "stn_id": "CF9",
    "water_depth": 179,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1509",
    "depth": 22.6,
    "PO4": 1.43,
    "SiOH4": 16.25,
    "NO3_NO2": 12.83,
    "NO2": 0.32,
    "NH4": 0.84,
    "NO3": 12.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8686, 59.6498] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 45,
    "stn_id": "CF9",
    "water_depth": 179,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1509",
    "depth": 42.5,
    "PO4": 1.32,
    "SiOH4": 13.96,
    "NO3_NO2": 11.63,
    "NO2": 0.34,
    "NH4": 0.95,
    "NO3": 11.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8686, 59.6498] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 45,
    "stn_id": "CF9",
    "water_depth": 179,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1509",
    "depth": 82.4,
    "PO4": 1.39,
    "SiOH4": 14.23,
    "NO3_NO2": 11.85,
    "NO2": 0.35,
    "NH4": 2.74,
    "NO3": 11.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8686, 59.6498] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 45,
    "stn_id": "CF9",
    "water_depth": 179,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1509",
    "depth": 100.8,
    "PO4": 1.3,
    "SiOH4": 14.5,
    "NO3_NO2": 12.29,
    "NO2": 0.34,
    "NH4": 3.96,
    "NO3": 11.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8686, 59.6498] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 45,
    "stn_id": "CF9",
    "water_depth": 179,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1509",
    "depth": 177.2,
    "PO4": 1.51,
    "SiOH4": 19.57,
    "NO3_NO2": 16.36,
    "NO2": 0.31,
    "NH4": 0.82,
    "NO3": 16.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8699, 59.7168] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 46,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1556",
    "depth": 1.7,
    "PO4": 0.66,
    "SiOH4": 15.5,
    "NO3_NO2": 9.77,
    "NO2": 0.46,
    "NH4": 0.7,
    "NO3": 9.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8699, 59.7168] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 46,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1556",
    "depth": 20.5,
    "PO4": 0.55,
    "SiOH4": 14.87,
    "NO3_NO2": 9.92,
    "NO2": 0.39,
    "NH4": 0.69,
    "NO3": 9.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8699, 59.7168] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 46,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1556",
    "depth": 39.3,
    "PO4": 0.54,
    "SiOH4": 13.92,
    "NO3_NO2": 9.91,
    "NO2": 0.42,
    "NH4": 0.73,
    "NO3": 9.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8699, 59.7168] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 46,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1556",
    "depth": 78.3,
    "PO4": 0.53,
    "SiOH4": 13.28,
    "NO3_NO2": 8.93,
    "NO2": 0.35,
    "NH4": 0.99,
    "NO3": 8.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8699, 59.7168] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 46,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1556",
    "depth": 93.7,
    "PO4": 0.59,
    "SiOH4": 14.55,
    "NO3_NO2": 10.68,
    "NO2": 0.41,
    "NH4": 0.97,
    "NO3": 10.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8699, 59.7168] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 46,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1556",
    "depth": 179.7,
    "PO4": 0.62,
    "SiOH4": 14.87,
    "NO3_NO2": 10.97,
    "NO2": 0.34,
    "NH4": 1.29,
    "NO3": 10.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8691, 59.7833] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 47,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1641",
    "depth": 1.8,
    "PO4": 0.55,
    "SiOH4": 16.45,
    "NO3_NO2": 11.16,
    "NO2": 0.44,
    "NH4": 0.92,
    "NO3": 10.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8691, 59.7833] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 47,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1641",
    "depth": 20.9,
    "PO4": 0.46,
    "SiOH4": 15.5,
    "NO3_NO2": 10.49,
    "NO2": 0.4,
    "NH4": 1.03,
    "NO3": 10.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8691, 59.7833] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 47,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1641",
    "depth": 39.5,
    "PO4": 0.44,
    "SiOH4": 15.18,
    "NO3_NO2": 10.48,
    "NO2": 0.43,
    "NH4": 1.13,
    "NO3": 10.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8691, 59.7833] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 47,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1641",
    "depth": 81.4,
    "PO4": 0.44,
    "SiOH4": 16.76,
    "NO3_NO2": 11.22,
    "NO2": 0.47,
    "NH4": 1.31,
    "NO3": 10.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8691, 59.7833] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 47,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1641",
    "depth": 100.3,
    "PO4": 0.41,
    "SiOH4": 15.18,
    "NO3_NO2": 10.14,
    "NO2": 0.4,
    "NH4": 1.05,
    "NO3": 9.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8691, 59.7833] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 47,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1641",
    "depth": 188.5,
    "PO4": 0.42,
    "SiOH4": 15.18,
    "NO3_NO2": 11.06,
    "NO2": 0.4,
    "NH4": 1.1,
    "NO3": 10.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8676, 59.8501] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 48,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1725",
    "depth": 2.1,
    "PO4": 0.38,
    "SiOH4": 15.5,
    "NO3_NO2": 10.01,
    "NO2": 0.31,
    "NH4": 1.15,
    "NO3": 9.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8676, 59.8501] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 48,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1725",
    "depth": 22.0,
    "PO4": 0.31,
    "SiOH4": 11.7,
    "NO3_NO2": 7.71,
    "NO2": 0.25,
    "NH4": 1.39,
    "NO3": 7.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8676, 59.8501] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 48,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1725",
    "depth": 41.3,
    "PO4": 0.43,
    "SiOH4": 17.08,
    "NO3_NO2": 11.01,
    "NO2": 0.35,
    "NH4": 1.38,
    "NO3": 10.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8676, 59.8501] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 48,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1725",
    "depth": 82.1,
    "PO4": 0.2,
    "SiOH4": 7.59,
    "NO3_NO2": 5.16,
    "NO2": 0.16,
    "NH4": 1.47,
    "NO3": 5.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8676, 59.8501] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 48,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1725",
    "depth": 101.2,
    "PO4": 0.34,
    "SiOH4": 15.5,
    "NO3_NO2": 9.88,
    "NO2": 0.3,
    "NH4": 1.78,
    "NO3": 9.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8676, 59.8501] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 48,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1725",
    "depth": 158.1,
    "PO4": 0.48,
    "SiOH4": 18.98,
    "NO3_NO2": 12.15,
    "NO2": 0.47,
    "NH4": 2.05,
    "NO3": 11.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.9093] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 49,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1808",
    "depth": 1.3,
    "PO4": 0.56,
    "SiOH4": 9.6,
    "NO3_NO2": 6.37,
    "NO2": 0.22,
    "NH4": 1.43,
    "NO3": 6.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.9093] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 49,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1808",
    "depth": 12.5,
    "PO4": 1.02,
    "SiOH4": 13.44,
    "NO3_NO2": 8.45,
    "NO2": 0.29,
    "NH4": 1.73,
    "NO3": 8.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.9093] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 49,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1808",
    "depth": 21.4,
    "PO4": 0.85,
    "SiOH4": 9.6,
    "NO3_NO2": 6.37,
    "NO2": 0.24,
    "NH4": 1.22,
    "NO3": 6.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.9093] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 49,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1808",
    "depth": 31.8,
    "PO4": 0.86,
    "SiOH4": 8.64,
    "NO3_NO2": 5.93,
    "NO2": 0.21,
    "NH4": 1.35,
    "NO3": 5.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.9093] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 49,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1808",
    "depth": 51.9,
    "PO4": 0.89,
    "SiOH4": 13.76,
    "NO3_NO2": 7.25,
    "NO2": 0.24,
    "NH4": 1.97,
    "NO3": 7.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.9093] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 49,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1808",
    "depth": 81.9,
    "PO4": 0.76,
    "SiOH4": 6.72,
    "NO3_NO2": 5.6,
    "NO2": 0.18,
    "NH4": 1.82,
    "NO3": 5.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3336, 59.5419] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 50,
    "stn_id": "CCSW5",
    "water_depth": 187,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "2115",
    "depth": 1.6,
    "PO4": 0.37,
    "SiOH4": 17.07,
    "NO3_NO2": 10.12,
    "NO2": null,
    "NH4": 0.92,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3336, 59.5419] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 50,
    "stn_id": "CCSW5",
    "water_depth": 187,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "2115",
    "depth": 99.0,
    "PO4": 0.46,
    "SiOH4": 14.87,
    "NO3_NO2": 10.04,
    "NO2": 0.37,
    "NH4": 1.17,
    "NO3": 9.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3336, 59.5419] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 50,
    "stn_id": "CCSW5",
    "water_depth": 187,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "2115",
    "depth": 183.2,
    "PO4": 0.41,
    "SiOH4": 26.53,
    "NO3_NO2": 15.8,
    "NO2": null,
    "NH4": 0.78,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.1698, 59.626] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 52,
    "stn_id": "CCSW3",
    "water_depth": 162,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "2241",
    "depth": 1.4,
    "PO4": 0.06,
    "SiOH4": 10.39,
    "NO3_NO2": 6.42,
    "NO2": null,
    "NH4": 0.76,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.1698, 59.626] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 52,
    "stn_id": "CCSW3",
    "water_depth": 162,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "2241",
    "depth": 52.2,
    "PO4": 0.0,
    "SiOH4": 10.38,
    "NO3_NO2": 6.55,
    "NO2": null,
    "NH4": 1.06,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.1698, 59.626] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 52,
    "stn_id": "CCSW3",
    "water_depth": 162,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "2241",
    "depth": 159.2,
    "PO4": 0.1,
    "SiOH4": 14.16,
    "NO3_NO2": 9.41,
    "NO2": null,
    "NH4": 0.89,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0863, 59.6676] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 53,
    "stn_id": "CCSW2",
    "water_depth": 49,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "2322",
    "depth": 1.1,
    "PO4": 0.08,
    "SiOH4": 14.78,
    "NO3_NO2": 8.74,
    "NO2": null,
    "NH4": 0.87,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0863, 59.6676] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 53,
    "stn_id": "CCSW2",
    "water_depth": 49,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "2322",
    "depth": 22.9,
    "PO4": 0.25,
    "SiOH4": 17.93,
    "NO3_NO2": 10.73,
    "NO2": null,
    "NH4": 0.96,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0863, 59.6676] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 53,
    "stn_id": "CCSW2",
    "water_depth": 49,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "2322",
    "depth": 47.4,
    "PO4": 0.07,
    "SiOH4": 12.23,
    "NO3_NO2": 7.33,
    "NO2": null,
    "NH4": 0.83,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0058, 59.7137] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 54,
    "stn_id": "CCSW1",
    "water_depth": 23,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "2359",
    "depth": 2.1,
    "PO4": 0.05,
    "SiOH4": 12.85,
    "NO3_NO2": 7.57,
    "NO2": null,
    "NH4": 0.83,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0058, 59.7137] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 54,
    "stn_id": "CCSW1",
    "water_depth": 23,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "2359",
    "depth": 22.8,
    "PO4": 0.06,
    "SiOH4": 13.15,
    "NO3_NO2": 7.83,
    "NO2": null,
    "NH4": 0.78,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8885, 59.7472] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 55,
    "stn_id": "CC1",
    "water_depth": 16,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "0040",
    "depth": 18.1,
    "PO4": 0.25,
    "SiOH4": 19.46,
    "NO3_NO2": 10.66,
    "NO2": null,
    "NH4": 1.0,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8738, 59.7099] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 56,
    "stn_id": "CC2",
    "water_depth": 68,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "0103",
    "depth": 1.6,
    "PO4": 0.31,
    "SiOH4": 17.87,
    "NO3_NO2": 10.58,
    "NO2": null,
    "NH4": 1.12,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8738, 59.7099] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 56,
    "stn_id": "CC2",
    "water_depth": 68,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "0103",
    "depth": 32.3,
    "PO4": 0.36,
    "SiOH4": 18.81,
    "NO3_NO2": 10.98,
    "NO2": null,
    "NH4": 0.99,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8738, 59.7099] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 56,
    "stn_id": "CC2",
    "water_depth": 68,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "0103",
    "depth": 65.4,
    "PO4": 0.04,
    "SiOH4": 8.04,
    "NO3_NO2": 5.13,
    "NO2": null,
    "NH4": 0.62,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8743, 59.6009] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 58,
    "stn_id": "CC4",
    "water_depth": 115,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "0204",
    "depth": 2.7,
    "PO4": 0.13,
    "SiOH4": 14.99,
    "NO3_NO2": 9.16,
    "NO2": null,
    "NH4": 0.97,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8743, 59.6009] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 58,
    "stn_id": "CC4",
    "water_depth": 115,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "0204",
    "depth": 52.9,
    "PO4": 0.13,
    "SiOH4": 13.71,
    "NO3_NO2": 8.29,
    "NO2": null,
    "NH4": 1.07,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8743, 59.6009] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 58,
    "stn_id": "CC4",
    "water_depth": 115,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "0204",
    "depth": 112.3,
    "PO4": 0.2,
    "SiOH4": 14.33,
    "NO3_NO2": 9.07,
    "NO2": null,
    "NH4": 0.82,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.875, 59.3675] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 60,
    "stn_id": "CC6",
    "water_depth": 179,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "0401",
    "depth": 2.7,
    "PO4": 0.1,
    "SiOH4": 11.16,
    "NO3_NO2": 7.12,
    "NO2": null,
    "NH4": 2.65,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.875, 59.3675] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 60,
    "stn_id": "CC6",
    "water_depth": 179,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "0401",
    "depth": 50.0,
    "PO4": 0.29,
    "SiOH4": 16.52,
    "NO3_NO2": 10.02,
    "NO2": null,
    "NH4": 0.91,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.875, 59.3675] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 60,
    "stn_id": "CC6",
    "water_depth": 179,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "0401",
    "depth": 174.4,
    "PO4": 0.5,
    "SiOH4": 17.77,
    "NO3_NO2": 11.7,
    "NO2": null,
    "NH4": 0.96,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8755, 59.1339] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 62,
    "stn_id": "CC8",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "0604",
    "depth": 30.0,
    "PO4": 0.48,
    "SiOH4": 17.43,
    "NO3_NO2": 11.33,
    "NO2": null,
    "NH4": 1.08,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8755, 59.1339] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 62,
    "stn_id": "CC8",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "0604",
    "depth": 48.3,
    "PO4": 0.5,
    "SiOH4": 15.21,
    "NO3_NO2": 10.49,
    "NO2": null,
    "NH4": 1.02,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8755, 59.1339] },
  "properties": {
    "cruise_id": "HX205",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 62,
    "stn_id": "CC8",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "0604",
    "depth": 193.9,
    "PO4": 0.56,
    "SiOH4": 26.9,
    "NO3_NO2": 17.71,
    "NO2": null,
    "NH4": 0.93,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3585, 60.0237] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 290,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1708",
    "depth": 1.8,
    "PO4": 0.58,
    "SiOH4": 14.82,
    "NO3_NO2": 2.45,
    "NO2": 0.14,
    "NH4": 1.59,
    "NO3": 2.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3585, 60.0237] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 290,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1708",
    "depth": 10.5,
    "PO4": 0.9,
    "SiOH4": 11.27,
    "NO3_NO2": 4.0,
    "NO2": 0.18,
    "NH4": 3.72,
    "NO3": 3.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3585, 60.0237] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 290,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1708",
    "depth": 18.6,
    "PO4": 1.17,
    "SiOH4": 16.74,
    "NO3_NO2": 7.05,
    "NO2": 0.25,
    "NH4": 3.72,
    "NO3": 6.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3585, 60.0237] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 290,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1708",
    "depth": 28.5,
    "PO4": 1.21,
    "SiOH4": 18.02,
    "NO3_NO2": 8.47,
    "NO2": 0.27,
    "NH4": 2.49,
    "NO3": 8.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3585, 60.0237] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 290,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1708",
    "depth": 39.7,
    "PO4": 1.36,
    "SiOH4": 20.92,
    "NO3_NO2": 10.48,
    "NO2": 0.29,
    "NH4": 2.04,
    "NO3": 10.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3585, 60.0237] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 290,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1708",
    "depth": 52.0,
    "PO4": 1.31,
    "SiOH4": 18.66,
    "NO3_NO2": 10.02,
    "NO2": 0.18,
    "NH4": 1.89,
    "NO3": 9.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3585, 60.0237] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 290,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1708",
    "depth": 99.2,
    "PO4": 1.44,
    "SiOH4": 20.26,
    "NO3_NO2": 11.03,
    "NO2": 0.27,
    "NH4": 2.52,
    "NO3": 10.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3585, 60.0237] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 290,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1708",
    "depth": 201.9,
    "PO4": 1.83,
    "SiOH4": 27.67,
    "NO3_NO2": 15.56,
    "NO2": 0.08,
    "NH4": 2.31,
    "NO3": 15.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3585, 60.0237] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 290,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1708",
    "depth": 251.5,
    "PO4": 1.63,
    "SiOH4": 24.76,
    "NO3_NO2": 14.4,
    "NO2": 0.07,
    "NH4": 1.71,
    "NO3": 14.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3585, 60.0237] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 290,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1708",
    "depth": 290.5,
    "PO4": 1.85,
    "SiOH4": 27.98,
    "NO3_NO2": 16.0,
    "NO2": 0.13,
    "NH4": 1.92,
    "NO3": 15.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4661, 59.8454] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 263,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1906",
    "depth": 1.7,
    "PO4": 0.87,
    "SiOH4": 10.25,
    "NO3_NO2": 3.22,
    "NO2": 0.12,
    "NH4": 2.67,
    "NO3": 3.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4661, 59.8454] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 263,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1906",
    "depth": 11.8,
    "PO4": 1.07,
    "SiOH4": 12.5,
    "NO3_NO2": 5.93,
    "NO2": 0.16,
    "NH4": 4.86,
    "NO3": 5.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4661, 59.8454] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 263,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1906",
    "depth": 21.5,
    "PO4": 1.05,
    "SiOH4": 12.17,
    "NO3_NO2": 6.06,
    "NO2": 0.15,
    "NH4": 3.96,
    "NO3": 5.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4661, 59.8454] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 263,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1906",
    "depth": 31.8,
    "PO4": 0.9,
    "SiOH4": 10.23,
    "NO3_NO2": 4.96,
    "NO2": 0.11,
    "NH4": 3.69,
    "NO3": 4.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4661, 59.8454] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 263,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1906",
    "depth": 40.2,
    "PO4": 1.16,
    "SiOH4": 15.71,
    "NO3_NO2": 8.2,
    "NO2": 0.17,
    "NH4": 4.05,
    "NO3": 8.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4661, 59.8454] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 263,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1906",
    "depth": 49.1,
    "PO4": 1.24,
    "SiOH4": 16.34,
    "NO3_NO2": 8.77,
    "NO2": 0.18,
    "NH4": 4.17,
    "NO3": 8.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4661, 59.8454] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 263,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1906",
    "depth": 102.1,
    "PO4": 1.24,
    "SiOH4": 16.98,
    "NO3_NO2": 9.43,
    "NO2": 0.2,
    "NH4": 3.18,
    "NO3": 9.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4661, 59.8454] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 263,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1906",
    "depth": 149.1,
    "PO4": 1.42,
    "SiOH4": 20.2,
    "NO3_NO2": 12.2,
    "NO2": 0.24,
    "NH4": 3.09,
    "NO3": 11.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4661, 59.8454] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 263,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1906",
    "depth": 248.3,
    "PO4": 1.73,
    "SiOH4": 26.96,
    "NO3_NO2": 16.23,
    "NO2": 0.13,
    "NH4": 2.46,
    "NO3": 16.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4661, 59.8454] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 263,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1906",
    "depth": 266.2,
    "PO4": 1.78,
    "SiOH4": 28.89,
    "NO3_NO2": 16.39,
    "NO2": 0.14,
    "NH4": 3.09,
    "NO3": 16.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.398, 59.7665] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 250,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2106",
    "depth": 1.7,
    "PO4": 1.1,
    "SiOH4": 12.13,
    "NO3_NO2": 6.94,
    "NO2": 0.15,
    "NH4": 3.87,
    "NO3": 6.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.398, 59.7665] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 250,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2106",
    "depth": 12.6,
    "PO4": 1.04,
    "SiOH4": 9.87,
    "NO3_NO2": 6.53,
    "NO2": 0.14,
    "NH4": 3.93,
    "NO3": 6.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.398, 59.7665] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 250,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2106",
    "depth": 21.7,
    "PO4": 1.07,
    "SiOH4": 10.83,
    "NO3_NO2": 7.39,
    "NO2": 0.16,
    "NH4": 4.35,
    "NO3": 7.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.398, 59.7665] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 250,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2106",
    "depth": 31.5,
    "PO4": 1.03,
    "SiOH4": 11.14,
    "NO3_NO2": 7.36,
    "NO2": 0.13,
    "NH4": 4.35,
    "NO3": 7.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.398, 59.7665] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 250,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2106",
    "depth": 42.0,
    "PO4": 1.19,
    "SiOH4": 14.04,
    "NO3_NO2": 9.12,
    "NO2": 0.17,
    "NH4": 4.77,
    "NO3": 8.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.398, 59.7665] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 250,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2106",
    "depth": 51.8,
    "PO4": 1.28,
    "SiOH4": 15.0,
    "NO3_NO2": 10.16,
    "NO2": 0.19,
    "NH4": 4.77,
    "NO3": 9.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.398, 59.7665] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 250,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2106",
    "depth": 100.8,
    "PO4": 1.28,
    "SiOH4": 15.32,
    "NO3_NO2": 10.26,
    "NO2": 0.21,
    "NH4": 4.14,
    "NO3": 10.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.398, 59.7665] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 250,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2106",
    "depth": 151.7,
    "PO4": 1.24,
    "SiOH4": 14.67,
    "NO3_NO2": 9.67,
    "NO2": 0.23,
    "NH4": 4.56,
    "NO3": 9.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.398, 59.7665] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 250,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2106",
    "depth": 199.4,
    "PO4": 1.4,
    "SiOH4": 17.56,
    "NO3_NO2": 12.35,
    "NO2": 0.1,
    "NH4": 3.06,
    "NO3": 12.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.398, 59.7665] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 250,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2106",
    "depth": 256.7,
    "PO4": 1.47,
    "SiOH4": 19.81,
    "NO3_NO2": 12.32,
    "NO2": 0.1,
    "NH4": 3.3,
    "NO3": 12.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3287, 59.6914] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 220,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2208",
    "depth": 2.1,
    "PO4": 1.2,
    "SiOH4": 16.26,
    "NO3_NO2": 8.87,
    "NO2": 0.18,
    "NH4": 3.42,
    "NO3": 8.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3287, 59.6914] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 220,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2208",
    "depth": 11.7,
    "PO4": 1.21,
    "SiOH4": 16.57,
    "NO3_NO2": 9.19,
    "NO2": 0.2,
    "NH4": 3.42,
    "NO3": 8.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3287, 59.6914] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 220,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2208",
    "depth": 22.0,
    "PO4": 1.21,
    "SiOH4": 16.25,
    "NO3_NO2": 9.32,
    "NO2": 0.2,
    "NH4": 3.54,
    "NO3": 9.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3287, 59.6914] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 220,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2208",
    "depth": 32.4,
    "PO4": 1.21,
    "SiOH4": 15.92,
    "NO3_NO2": 9.26,
    "NO2": 0.2,
    "NH4": 3.54,
    "NO3": 9.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3287, 59.6914] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 220,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2208",
    "depth": 42.4,
    "PO4": 1.21,
    "SiOH4": 16.24,
    "NO3_NO2": 9.26,
    "NO2": 0.21,
    "NH4": 4.02,
    "NO3": 9.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3287, 59.6914] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 220,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2208",
    "depth": 53.3,
    "PO4": 1.23,
    "SiOH4": 16.88,
    "NO3_NO2": 10.02,
    "NO2": 0.24,
    "NH4": 4.2,
    "NO3": 9.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3287, 59.6914] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 220,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2208",
    "depth": 101.7,
    "PO4": 1.27,
    "SiOH4": 16.87,
    "NO3_NO2": 10.31,
    "NO2": 0.24,
    "NH4": 4.8,
    "NO3": 10.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3287, 59.6914] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 220,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2208",
    "depth": 150.1,
    "PO4": 1.3,
    "SiOH4": 16.87,
    "NO3_NO2": 11.0,
    "NO2": 0.19,
    "NH4": 4.47,
    "NO3": 10.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3287, 59.6914] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 220,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2208",
    "depth": 199.4,
    "PO4": 1.4,
    "SiOH4": 19.12,
    "NO3_NO2": 12.48,
    "NO2": 0.13,
    "NH4": 3.42,
    "NO3": 12.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3287, 59.6914] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 220,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2208",
    "depth": 224.2,
    "PO4": 1.67,
    "SiOH4": 25.55,
    "NO3_NO2": 15.47,
    "NO2": 0.15,
    "NH4": 3.72,
    "NO3": 15.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2566, 59.6264] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2317",
    "depth": 2.0,
    "PO4": 1.18,
    "SiOH4": 15.88,
    "NO3_NO2": 8.94,
    "NO2": 0.19,
    "NH4": 6.24,
    "NO3": 8.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2566, 59.6264] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2317",
    "depth": 12.5,
    "PO4": 1.17,
    "SiOH4": 14.27,
    "NO3_NO2": 8.0,
    "NO2": 0.17,
    "NH4": 4.38,
    "NO3": 7.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2566, 59.6264] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2317",
    "depth": 22.4,
    "PO4": 1.17,
    "SiOH4": 14.58,
    "NO3_NO2": 8.7,
    "NO2": 0.2,
    "NH4": 4.11,
    "NO3": 8.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2566, 59.6264] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2317",
    "depth": 32.7,
    "PO4": 1.15,
    "SiOH4": 14.26,
    "NO3_NO2": 8.58,
    "NO2": 0.21,
    "NH4": 8.7,
    "NO3": 8.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2566, 59.6264] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2317",
    "depth": 42.8,
    "PO4": 1.23,
    "SiOH4": 15.86,
    "NO3_NO2": 9.34,
    "NO2": 0.24,
    "NH4": 4.74,
    "NO3": 9.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2566, 59.6264] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2317",
    "depth": 52.0,
    "PO4": 1.25,
    "SiOH4": 17.79,
    "NO3_NO2": 9.81,
    "NO2": 0.25,
    "NH4": 4.74,
    "NO3": 9.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2566, 59.6264] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2317",
    "depth": 76.9,
    "PO4": 1.32,
    "SiOH4": 18.11,
    "NO3_NO2": 10.95,
    "NO2": 0.27,
    "NH4": 4.29,
    "NO3": 10.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2566, 59.6264] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2317",
    "depth": 100.4,
    "PO4": 1.34,
    "SiOH4": 18.1,
    "NO3_NO2": 11.49,
    "NO2": 0.28,
    "NH4": 4.23,
    "NO3": 11.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2566, 59.6264] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2317",
    "depth": 205.9,
    "PO4": 1.56,
    "SiOH4": 22.93,
    "NO3_NO2": 14.54,
    "NO2": 0.15,
    "NH4": 5.67,
    "NO3": 14.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1892, 59.5537] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "0011",
    "depth": 2.5,
    "PO4": 1.13,
    "SiOH4": 13.58,
    "NO3_NO2": 8.07,
    "NO2": 0.21,
    "NH4": 5.1,
    "NO3": 7.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1892, 59.5537] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "0011",
    "depth": 12.2,
    "PO4": 1.17,
    "SiOH4": 17.12,
    "NO3_NO2": 9.08,
    "NO2": 0.23,
    "NH4": 4.56,
    "NO3": 8.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1892, 59.5537] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "0011",
    "depth": 22.3,
    "PO4": 1.16,
    "SiOH4": 16.79,
    "NO3_NO2": 9.21,
    "NO2": 0.24,
    "NH4": 4.53,
    "NO3": 8.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1892, 59.5537] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "0011",
    "depth": 31.9,
    "PO4": 1.23,
    "SiOH4": 16.46,
    "NO3_NO2": 9.68,
    "NO2": 0.25,
    "NH4": 4.68,
    "NO3": 9.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1892, 59.5537] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "0011",
    "depth": 41.1,
    "PO4": 1.25,
    "SiOH4": 17.1,
    "NO3_NO2": 10.07,
    "NO2": 0.27,
    "NH4": 5.07,
    "NO3": 9.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1892, 59.5537] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "0011",
    "depth": 51.1,
    "PO4": 1.28,
    "SiOH4": 17.1,
    "NO3_NO2": 10.45,
    "NO2": 0.28,
    "NH4": 4.74,
    "NO3": 10.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1892, 59.5537] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "0011",
    "depth": 98.9,
    "PO4": 1.38,
    "SiOH4": 19.03,
    "NO3_NO2": 12.4,
    "NO2": 0.19,
    "NH4": 4.29,
    "NO3": 12.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1892, 59.5537] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "0011",
    "depth": 147.2,
    "PO4": 1.41,
    "SiOH4": 22.24,
    "NO3_NO2": 12.72,
    "NO2": 0.19,
    "NH4": 4.53,
    "NO3": 12.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1892, 59.5537] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "0011",
    "depth": 204.9,
    "PO4": 1.63,
    "SiOH4": 27.07,
    "NO3_NO2": 15.74,
    "NO2": 0.22,
    "NH4": 4.41,
    "NO3": 15.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1169, 59.4816] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 9,
    "stn_id": "GAK3I",
    "water_depth": 202,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "0134",
    "depth": 2.5,
    "PO4": 1.05,
    "SiOH4": 16.45,
    "NO3_NO2": 5.62,
    "NO2": 0.28,
    "NH4": 0.62,
    "NO3": 5.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1169, 59.4816] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 9,
    "stn_id": "GAK3I",
    "water_depth": 202,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "0134",
    "depth": 12.3,
    "PO4": 1.08,
    "SiOH4": 15.67,
    "NO3_NO2": 4.96,
    "NO2": 0.24,
    "NH4": 2.34,
    "NO3": 4.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1169, 59.4816] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 9,
    "stn_id": "GAK3I",
    "water_depth": 202,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "0134",
    "depth": 17.5,
    "PO4": 1.17,
    "SiOH4": 15.84,
    "NO3_NO2": 5.04,
    "NO2": 0.26,
    "NH4": 0.79,
    "NO3": 4.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1169, 59.4816] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 9,
    "stn_id": "GAK3I",
    "water_depth": 202,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "0134",
    "depth": 22.9,
    "PO4": 1.2,
    "SiOH4": 15.69,
    "NO3_NO2": 6.58,
    "NO2": 0.29,
    "NH4": 0.9,
    "NO3": 6.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1169, 59.4816] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 9,
    "stn_id": "GAK3I",
    "water_depth": 202,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "0134",
    "depth": 32.1,
    "PO4": 1.43,
    "SiOH4": 18.04,
    "NO3_NO2": 9.13,
    "NO2": 0.36,
    "NH4": 0.84,
    "NO3": 8.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1169, 59.4816] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 9,
    "stn_id": "GAK3I",
    "water_depth": 202,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "0134",
    "depth": 41.9,
    "PO4": 1.47,
    "SiOH4": 18.21,
    "NO3_NO2": 9.94,
    "NO2": 0.34,
    "NH4": 0.67,
    "NO3": 9.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1169, 59.4816] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 9,
    "stn_id": "GAK3I",
    "water_depth": 202,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "0134",
    "depth": 52.7,
    "PO4": 1.46,
    "SiOH4": 17.12,
    "NO3_NO2": 9.24,
    "NO2": 0.25,
    "NH4": 0.58,
    "NO3": 8.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1169, 59.4816] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 9,
    "stn_id": "GAK3I",
    "water_depth": 202,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "0134",
    "depth": 77.8,
    "PO4": 1.62,
    "SiOH4": 20.41,
    "NO3_NO2": 11.28,
    "NO2": 0.29,
    "NH4": 0.66,
    "NO3": 10.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1169, 59.4816] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 9,
    "stn_id": "GAK3I",
    "water_depth": 202,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "0134",
    "depth": 100.6,
    "PO4": 1.69,
    "SiOH4": 23.71,
    "NO3_NO2": 12.92,
    "NO2": 0.27,
    "NH4": 0.69,
    "NO3": 12.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1169, 59.4816] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 9,
    "stn_id": "GAK3I",
    "water_depth": 202,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "0134",
    "depth": 152.3,
    "PO4": 1.91,
    "SiOH4": 27.01,
    "NO3_NO2": 14.5,
    "NO2": 0.32,
    "NH4": 0.58,
    "NO3": 14.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1169, 59.4816] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 9,
    "stn_id": "GAK3I",
    "water_depth": 202,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "0134",
    "depth": 196.5,
    "PO4": 1.97,
    "SiOH4": 28.42,
    "NO3_NO2": 14.95,
    "NO2": 0.34,
    "NH4": 0.64,
    "NO3": 14.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0472, 59.4084] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK4",
    "water_depth": 199,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "0228",
    "depth": 2.1,
    "PO4": 1.34,
    "SiOH4": 13.24,
    "NO3_NO2": 4.36,
    "NO2": 0.26,
    "NH4": 0.98,
    "NO3": 4.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0472, 59.4084] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK4",
    "water_depth": 199,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "0228",
    "depth": 12.5,
    "PO4": 1.19,
    "SiOH4": 12.78,
    "NO3_NO2": 4.3,
    "NO2": 0.27,
    "NH4": 0.68,
    "NO3": 4.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0472, 59.4084] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK4",
    "water_depth": 199,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "0228",
    "depth": 22.2,
    "PO4": 1.23,
    "SiOH4": 12.32,
    "NO3_NO2": 6.39,
    "NO2": 0.29,
    "NH4": 0.88,
    "NO3": 6.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0472, 59.4084] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK4",
    "water_depth": 199,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "0228",
    "depth": 32.5,
    "PO4": 1.46,
    "SiOH4": 15.93,
    "NO3_NO2": 9.17,
    "NO2": 0.37,
    "NH4": 0.85,
    "NO3": 8.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0472, 59.4084] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK4",
    "water_depth": 199,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "0228",
    "depth": 42.1,
    "PO4": 1.46,
    "SiOH4": 15.78,
    "NO3_NO2": 9.52,
    "NO2": 0.35,
    "NH4": 0.65,
    "NO3": 9.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0472, 59.4084] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK4",
    "water_depth": 199,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "0228",
    "depth": 52.7,
    "PO4": 1.56,
    "SiOH4": 16.88,
    "NO3_NO2": 10.38,
    "NO2": 0.33,
    "NH4": 0.73,
    "NO3": 10.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0472, 59.4084] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK4",
    "water_depth": 199,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "0228",
    "depth": 77.6,
    "PO4": 1.68,
    "SiOH4": 15.79,
    "NO3_NO2": 9.68,
    "NO2": 0.24,
    "NH4": 0.64,
    "NO3": 9.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0472, 59.4084] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK4",
    "water_depth": 199,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "0228",
    "depth": 102.4,
    "PO4": 1.62,
    "SiOH4": 18.46,
    "NO3_NO2": 11.31,
    "NO2": 0.29,
    "NH4": 0.54,
    "NO3": 11.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0472, 59.4084] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK4",
    "water_depth": 199,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "0228",
    "depth": 152.8,
    "PO4": 1.82,
    "SiOH4": 20.19,
    "NO3_NO2": 13.68,
    "NO2": 0.33,
    "NH4": 0.69,
    "NO3": 13.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0472, 59.4084] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK4",
    "water_depth": 199,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "0228",
    "depth": 195.2,
    "PO4": 1.8,
    "SiOH4": 19.1,
    "NO3_NO2": 13.07,
    "NO2": 0.32,
    "NH4": 0.66,
    "NO3": 12.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6309, 58.9724] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK7",
    "water_depth": 241,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1451",
    "depth": 2.4,
    "PO4": 1.35,
    "SiOH4": 14.88,
    "NO3_NO2": 7.1,
    "NO2": 0.32,
    "NH4": 0.75,
    "NO3": 6.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6309, 58.9724] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK7",
    "water_depth": 241,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1451",
    "depth": 10.7,
    "PO4": 1.9,
    "SiOH4": 14.11,
    "NO3_NO2": 6.77,
    "NO2": 0.32,
    "NH4": 3.23,
    "NO3": 6.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6309, 58.9724] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK7",
    "water_depth": 241,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1451",
    "depth": 20.8,
    "PO4": 1.46,
    "SiOH4": 14.58,
    "NO3_NO2": 6.98,
    "NO2": 0.34,
    "NH4": 0.99,
    "NO3": 6.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6309, 58.9724] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK7",
    "water_depth": 241,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1451",
    "depth": 30.5,
    "PO4": 1.31,
    "SiOH4": 14.43,
    "NO3_NO2": 7.29,
    "NO2": 0.35,
    "NH4": 1.01,
    "NO3": 6.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6309, 58.9724] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK7",
    "water_depth": 241,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1451",
    "depth": 40.2,
    "PO4": 2.09,
    "SiOH4": 13.66,
    "NO3_NO2": 7.23,
    "NO2": 0.35,
    "NH4": 0.8,
    "NO3": 6.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6309, 58.9724] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK7",
    "water_depth": 241,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1451",
    "depth": 50.9,
    "PO4": 2.12,
    "SiOH4": 14.45,
    "NO3_NO2": 8.04,
    "NO2": 0.39,
    "NH4": 0.99,
    "NO3": 7.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6309, 58.9724] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK7",
    "water_depth": 241,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1451",
    "depth": 76.9,
    "PO4": 2.14,
    "SiOH4": 14.3,
    "NO3_NO2": 8.89,
    "NO2": 0.42,
    "NH4": 0.82,
    "NO3": 8.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6309, 58.9724] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK7",
    "water_depth": 241,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1451",
    "depth": 97.9,
    "PO4": 2.15,
    "SiOH4": 16.03,
    "NO3_NO2": 9.84,
    "NO2": 0.42,
    "NH4": 0.77,
    "NO3": 9.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6309, 58.9724] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK7",
    "water_depth": 241,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1451",
    "depth": 146.9,
    "PO4": 2.24,
    "SiOH4": 19.64,
    "NO3_NO2": 11.66,
    "NO2": 0.35,
    "NH4": 0.57,
    "NO3": 11.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6309, 58.9724] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK7",
    "water_depth": 241,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1451",
    "depth": 236.7,
    "PO4": 2.9,
    "SiOH4": 67.71,
    "NO3_NO2": 30.23,
    "NO2": 0.24,
    "NH4": 0.56,
    "NO3": 29.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4906, 58.7924] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1710",
    "depth": 2.3,
    "PO4": 1.15,
    "SiOH4": 15.27,
    "NO3_NO2": 7.01,
    "NO2": 0.36,
    "NH4": 0.92,
    "NO3": 6.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4906, 58.7924] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1710",
    "depth": 10.3,
    "PO4": 1.16,
    "SiOH4": 16.69,
    "NO3_NO2": 7.59,
    "NO2": 0.42,
    "NH4": 0.95,
    "NO3": 7.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4906, 58.7924] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1710",
    "depth": 20.4,
    "PO4": 1.07,
    "SiOH4": 16.22,
    "NO3_NO2": 7.12,
    "NO2": 0.38,
    "NH4": 0.78,
    "NO3": 6.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4906, 58.7924] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1710",
    "depth": 32.1,
    "PO4": 1.2,
    "SiOH4": 16.7,
    "NO3_NO2": 8.7,
    "NO2": 0.46,
    "NH4": 0.99,
    "NO3": 8.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4906, 58.7924] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1710",
    "depth": 42.5,
    "PO4": 1.21,
    "SiOH4": 17.8,
    "NO3_NO2": 9.33,
    "NO2": 0.49,
    "NH4": 1.15,
    "NO3": 8.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4906, 58.7924] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1710",
    "depth": 50.4,
    "PO4": 1.15,
    "SiOH4": 17.66,
    "NO3_NO2": 9.0,
    "NO2": 0.48,
    "NH4": 0.99,
    "NO3": 8.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4906, 58.7924] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1710",
    "depth": 100.1,
    "PO4": 1.24,
    "SiOH4": 18.76,
    "NO3_NO2": 10.35,
    "NO2": 0.42,
    "NH4": 0.67,
    "NO3": 9.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4906, 58.7924] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1710",
    "depth": 151.5,
    "PO4": 1.48,
    "SiOH4": 24.25,
    "NO3_NO2": 13.27,
    "NO2": 0.33,
    "NH4": 0.79,
    "NO3": 12.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4906, 58.7924] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1710",
    "depth": 195.9,
    "PO4": 2.17,
    "SiOH4": 60.74,
    "NO3_NO2": 22.14,
    "NO2": 0.3,
    "NH4": 0.65,
    "NO3": 21.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4906, 58.7924] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1710",
    "depth": 283.3,
    "PO4": 3.05,
    "SiOH4": 74.05,
    "NO3_NO2": 31.55,
    "NO2": 0.25,
    "NH4": 0.85,
    "NO3": 31.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.77, 59.1182] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1947",
    "depth": 2.3,
    "PO4": 1.4,
    "SiOH4": 16.46,
    "NO3_NO2": 14.75,
    "NO2": 0.16,
    "NH4": 0.5,
    "NO3": 14.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.77, 59.1182] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1947",
    "depth": 14.3,
    "PO4": 1.4,
    "SiOH4": 16.15,
    "NO3_NO2": 13.76,
    "NO2": 0.15,
    "NH4": 0.49,
    "NO3": 13.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.77, 59.1182] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1947",
    "depth": 21.5,
    "PO4": 1.34,
    "SiOH4": 14.6,
    "NO3_NO2": 12.78,
    "NO2": 0.14,
    "NH4": 0.5,
    "NO3": 12.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.77, 59.1182] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1947",
    "depth": 33.1,
    "PO4": 1.47,
    "SiOH4": 15.53,
    "NO3_NO2": 14.39,
    "NO2": 0.17,
    "NH4": 0.79,
    "NO3": 14.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.77, 59.1182] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1947",
    "depth": 42.1,
    "PO4": 1.4,
    "SiOH4": 13.98,
    "NO3_NO2": 12.47,
    "NO2": 0.15,
    "NH4": 0.92,
    "NO3": 12.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.77, 59.1182] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1947",
    "depth": 50.3,
    "PO4": 1.41,
    "SiOH4": 14.6,
    "NO3_NO2": 13.72,
    "NO2": 0.17,
    "NH4": 0.87,
    "NO3": 13.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.77, 59.1182] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1947",
    "depth": 101.8,
    "PO4": 1.67,
    "SiOH4": 18.01,
    "NO3_NO2": 19.3,
    "NO2": 0.16,
    "NH4": 0.46,
    "NO3": 19.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.77, 59.1182] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1947",
    "depth": 123.6,
    "PO4": 1.77,
    "SiOH4": 19.88,
    "NO3_NO2": 21.04,
    "NO2": 0.15,
    "NH4": 0.43,
    "NO3": 20.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.77, 59.1182] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1947",
    "depth": 143.1,
    "PO4": 2.2,
    "SiOH4": 31.06,
    "NO3_NO2": 29.16,
    "NO2": 0.14,
    "NH4": 0.43,
    "NO3": 29.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8376, 59.1926] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2041",
    "depth": 4.0,
    "PO4": 1.24,
    "SiOH4": 13.04,
    "NO3_NO2": 10.95,
    "NO2": 0.12,
    "NH4": 0.55,
    "NO3": 10.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8376, 59.1926] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2041",
    "depth": 13.5,
    "PO4": 1.4,
    "SiOH4": 14.91,
    "NO3_NO2": 12.25,
    "NO2": 0.14,
    "NH4": 0.57,
    "NO3": 12.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8376, 59.1926] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2041",
    "depth": 23.9,
    "PO4": 1.3,
    "SiOH4": 13.04,
    "NO3_NO2": 9.47,
    "NO2": 0.11,
    "NH4": 0.73,
    "NO3": 9.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8376, 59.1926] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2041",
    "depth": 33.5,
    "PO4": 1.42,
    "SiOH4": 14.29,
    "NO3_NO2": 12.57,
    "NO2": 0.13,
    "NH4": 0.58,
    "NO3": 12.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8376, 59.1926] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2041",
    "depth": 42.9,
    "PO4": 1.62,
    "SiOH4": 17.39,
    "NO3_NO2": 16.85,
    "NO2": 0.18,
    "NH4": 0.62,
    "NO3": 16.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8376, 59.1926] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2041",
    "depth": 53.2,
    "PO4": 1.69,
    "SiOH4": 18.32,
    "NO3_NO2": 16.85,
    "NO2": 0.18,
    "NH4": 0.51,
    "NO3": 16.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8376, 59.1926] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2041",
    "depth": 77.8,
    "PO4": 1.63,
    "SiOH4": 16.46,
    "NO3_NO2": 17.54,
    "NO2": 0.16,
    "NH4": 0.43,
    "NO3": 17.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8376, 59.1926] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2041",
    "depth": 99.9,
    "PO4": 1.62,
    "SiOH4": 16.15,
    "NO3_NO2": 17.54,
    "NO2": 0.14,
    "NH4": 0.44,
    "NO3": 17.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8376, 59.1926] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2041",
    "depth": 121.9,
    "PO4": 1.72,
    "SiOH4": 18.32,
    "NO3_NO2": 19.03,
    "NO2": 0.13,
    "NH4": 0.47,
    "NO3": 18.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8376, 59.1926] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2041",
    "depth": 162.6,
    "PO4": 2.0,
    "SiOH4": 23.91,
    "NO3_NO2": 24.12,
    "NO2": 0.14,
    "NH4": 0.46,
    "NO3": 23.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9133, 59.2662] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 17,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2139",
    "depth": 1.7,
    "PO4": 1.35,
    "SiOH4": 13.66,
    "NO3_NO2": 10.99,
    "NO2": 0.13,
    "NH4": 0.6,
    "NO3": 10.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9133, 59.2662] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 17,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2139",
    "depth": 11.3,
    "PO4": 1.32,
    "SiOH4": 12.73,
    "NO3_NO2": 10.25,
    "NO2": 0.12,
    "NH4": 0.58,
    "NO3": 10.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9133, 59.2662] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 17,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2139",
    "depth": 21.3,
    "PO4": 1.44,
    "SiOH4": 14.91,
    "NO3_NO2": 12.48,
    "NO2": 0.15,
    "NH4": 0.58,
    "NO3": 12.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9133, 59.2662] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 17,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2139",
    "depth": 30.9,
    "PO4": 1.64,
    "SiOH4": 17.7,
    "NO3_NO2": 17.94,
    "NO2": 0.2,
    "NH4": 0.64,
    "NO3": 17.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9133, 59.2662] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 17,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2139",
    "depth": 43.8,
    "PO4": null,
    "SiOH4": 17.7,
    "NO3_NO2": 18.63,
    "NO2": 0.17,
    "NH4": 0.51,
    "NO3": 18.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9133, 59.2662] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 17,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2139",
    "depth": 52.1,
    "PO4": 1.74,
    "SiOH4": 18.32,
    "NO3_NO2": 18.94,
    "NO2": 0.15,
    "NH4": 0.55,
    "NO3": 18.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9133, 59.2662] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 17,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2139",
    "depth": 73.5,
    "PO4": 1.41,
    "SiOH4": 13.04,
    "NO3_NO2": 14.23,
    "NO2": 0.11,
    "NH4": 0.46,
    "NO3": 14.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9133, 59.2662] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 17,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2139",
    "depth": 102.9,
    "PO4": 1.77,
    "SiOH4": 18.63,
    "NO3_NO2": 19.69,
    "NO2": 0.11,
    "NH4": 0.63,
    "NO3": 19.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9133, 59.2662] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 17,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2139",
    "depth": 124.2,
    "PO4": 1.87,
    "SiOH4": 20.5,
    "NO3_NO2": 21.55,
    "NO2": 0.11,
    "NH4": 0.48,
    "NO3": 21.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9133, 59.2662] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 17,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2139",
    "depth": 166.9,
    "PO4": 2.0,
    "SiOH4": 24.22,
    "NO3_NO2": 23.91,
    "NO2": 0.11,
    "NH4": 0.5,
    "NO3": 23.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9787, 59.3365] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK4I",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2229",
    "depth": 3.0,
    "PO4": 0.96,
    "SiOH4": 13.94,
    "NO3_NO2": 5.83,
    "NO2": 0.27,
    "NH4": 0.75,
    "NO3": 5.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9787, 59.3365] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK4I",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2229",
    "depth": 12.5,
    "PO4": 0.7,
    "SiOH4": 7.78,
    "NO3_NO2": 3.19,
    "NO2": 0.16,
    "NH4": 0.62,
    "NO3": 3.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9787, 59.3365] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK4I",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2229",
    "depth": 21.7,
    "PO4": 0.82,
    "SiOH4": 11.02,
    "NO3_NO2": 4.38,
    "NO2": 0.2,
    "NH4": 0.67,
    "NO3": 4.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9787, 59.3365] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK4I",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2229",
    "depth": 29.4,
    "PO4": 1.15,
    "SiOH4": 14.91,
    "NO3_NO2": 8.37,
    "NO2": 0.33,
    "NH4": 1.14,
    "NO3": 8.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9787, 59.3365] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK4I",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2229",
    "depth": 40.9,
    "PO4": 1.26,
    "SiOH4": 16.86,
    "NO3_NO2": 10.41,
    "NO2": 0.26,
    "NH4": 0.62,
    "NO3": 10.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9787, 59.3365] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK4I",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2229",
    "depth": 53.4,
    "PO4": 1.36,
    "SiOH4": 20.1,
    "NO3_NO2": 11.29,
    "NO2": 0.29,
    "NH4": 0.62,
    "NO3": 11.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9787, 59.3365] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK4I",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2229",
    "depth": 78.3,
    "PO4": 1.43,
    "SiOH4": 19.12,
    "NO3_NO2": 11.75,
    "NO2": 0.24,
    "NH4": 0.77,
    "NO3": 11.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9787, 59.3365] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK4I",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2229",
    "depth": 101.7,
    "PO4": 1.36,
    "SiOH4": 18.8,
    "NO3_NO2": 11.27,
    "NO2": 0.3,
    "NH4": 0.71,
    "NO3": 10.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9787, 59.3365] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK4I",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2229",
    "depth": 125.6,
    "PO4": null,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": null,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9787, 59.3365] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK4I",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2229",
    "depth": 150.2,
    "PO4": 1.63,
    "SiOH4": 23.99,
    "NO3_NO2": 14.03,
    "NO2": 0.34,
    "NH4": 0.76,
    "NO3": 13.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9787, 59.3365] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK4I",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2229",
    "depth": 192.9,
    "PO4": 1.65,
    "SiOH4": 24.64,
    "NO3_NO2": 14.23,
    "NO2": 0.3,
    "NH4": 0.67,
    "NO3": 13.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7718, 59.1165] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 21,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1539",
    "depth": 2.0,
    "PO4": 1.26,
    "SiOH4": 16.86,
    "NO3_NO2": 8.12,
    "NO2": 0.35,
    "NH4": 0.88,
    "NO3": 7.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4202, 58.7443] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "GAK8I",
    "water_depth": 280,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1905",
    "depth": 3.1,
    "PO4": 1.23,
    "SiOH4": 14.91,
    "NO3_NO2": 6.85,
    "NO2": 0.28,
    "NH4": 1.48,
    "NO3": 6.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4202, 58.7443] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "GAK8I",
    "water_depth": 280,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1905",
    "depth": 11.8,
    "PO4": 1.2,
    "SiOH4": 15.24,
    "NO3_NO2": 7.21,
    "NO2": 0.29,
    "NH4": 0.99,
    "NO3": 6.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4202, 58.7443] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "GAK8I",
    "water_depth": 280,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1905",
    "depth": 21.6,
    "PO4": 1.14,
    "SiOH4": 15.24,
    "NO3_NO2": 7.04,
    "NO2": 0.29,
    "NH4": 0.91,
    "NO3": 6.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4202, 58.7443] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "GAK8I",
    "water_depth": 280,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1905",
    "depth": 32.3,
    "PO4": 1.2,
    "SiOH4": 16.21,
    "NO3_NO2": 7.82,
    "NO2": 0.32,
    "NH4": 0.98,
    "NO3": 7.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4202, 58.7443] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "GAK8I",
    "water_depth": 280,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1905",
    "depth": 41.7,
    "PO4": 1.26,
    "SiOH4": 16.86,
    "NO3_NO2": 8.49,
    "NO2": 0.35,
    "NH4": 1.03,
    "NO3": 8.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4202, 58.7443] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "GAK8I",
    "water_depth": 280,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1905",
    "depth": 51.7,
    "PO4": 1.26,
    "SiOH4": 16.86,
    "NO3_NO2": 9.06,
    "NO2": 0.36,
    "NH4": 1.04,
    "NO3": 8.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4202, 58.7443] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "GAK8I",
    "water_depth": 280,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1905",
    "depth": 77.0,
    "PO4": 1.43,
    "SiOH4": 20.1,
    "NO3_NO2": 11.83,
    "NO2": 0.39,
    "NH4": 0.54,
    "NO3": 11.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4202, 58.7443] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "GAK8I",
    "water_depth": 280,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1905",
    "depth": 101.4,
    "PO4": 1.45,
    "SiOH4": 21.39,
    "NO3_NO2": 12.19,
    "NO2": 0.32,
    "NH4": 0.6,
    "NO3": 11.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4202, 58.7443] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "GAK8I",
    "water_depth": 280,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1905",
    "depth": 149.5,
    "PO4": 1.96,
    "SiOH4": 35.01,
    "NO3_NO2": 19.12,
    "NO2": 0.26,
    "NH4": 0.73,
    "NO3": 18.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4202, 58.7443] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "GAK8I",
    "water_depth": 280,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1905",
    "depth": 202.0,
    "PO4": 2.55,
    "SiOH4": 56.4,
    "NO3_NO2": 28.15,
    "NO2": 0.19,
    "NH4": 0.65,
    "NO3": 27.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4202, 58.7443] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "GAK8I",
    "water_depth": 280,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1905",
    "depth": 279.5,
    "PO4": 2.46,
    "SiOH4": 59.97,
    "NO3_NO2": 27.14,
    "NO2": 0.15,
    "NH4": 0.7,
    "NO3": 26.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3457, 58.6802] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2126",
    "depth": 2.1,
    "PO4": 1.66,
    "SiOH4": 17.38,
    "NO3_NO2": 12.56,
    "NO2": 0.08,
    "NH4": 0.77,
    "NO3": 12.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3457, 58.6802] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2126",
    "depth": 12.6,
    "PO4": 1.54,
    "SiOH4": 17.37,
    "NO3_NO2": 14.1,
    "NO2": 0.15,
    "NH4": 0.99,
    "NO3": 13.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3457, 58.6802] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2126",
    "depth": 23.1,
    "PO4": 1.19,
    "SiOH4": 12.08,
    "NO3_NO2": 10.12,
    "NO2": 0.14,
    "NH4": 1.31,
    "NO3": 9.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3457, 58.6802] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2126",
    "depth": 32.0,
    "PO4": 1.06,
    "SiOH4": 15.18,
    "NO3_NO2": 11.34,
    "NO2": 0.09,
    "NH4": 1.16,
    "NO3": 11.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3457, 58.6802] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2126",
    "depth": 42.0,
    "PO4": 0.88,
    "SiOH4": 13.92,
    "NO3_NO2": 10.96,
    "NO2": 0.12,
    "NH4": 1.21,
    "NO3": 10.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3457, 58.6802] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2126",
    "depth": 52.5,
    "PO4": 0.96,
    "SiOH4": 10.81,
    "NO3_NO2": 9.33,
    "NO2": 0.12,
    "NH4": 1.19,
    "NO3": 9.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3457, 58.6802] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2126",
    "depth": 101.9,
    "PO4": 1.1,
    "SiOH4": 14.83,
    "NO3_NO2": 13.59,
    "NO2": 0.09,
    "NH4": 1.24,
    "NO3": 13.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3457, 58.6802] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2126",
    "depth": 128.3,
    "PO4": 1.32,
    "SiOH4": 17.93,
    "NO3_NO2": 15.99,
    "NO2": 0.08,
    "NH4": 0.93,
    "NO3": 15.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3457, 58.6802] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2126",
    "depth": 181.4,
    "PO4": 2.53,
    "SiOH4": 49.29,
    "NO3_NO2": 41.01,
    "NO2": 0.11,
    "NH4": 1.14,
    "NO3": 40.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3457, 58.6802] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2126",
    "depth": 201.6,
    "PO4": 2.84,
    "SiOH4": 59.83,
    "NO3_NO2": 44.34,
    "NO2": 0.09,
    "NH4": 0.96,
    "NO3": 44.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3457, 58.6802] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2126",
    "depth": 277.3,
    "PO4": 3.28,
    "SiOH4": 78.46,
    "NO3_NO2": 49.04,
    "NO2": 0.08,
    "NH4": 1.07,
    "NO3": 48.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2756, 58.6114] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 28,
    "stn_id": "GAK9I",
    "water_depth": 700,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2313",
    "depth": 2.7,
    "PO4": 1.03,
    "SiOH4": 14.47,
    "NO3_NO2": 9.93,
    "NO2": 0.08,
    "NH4": 1.01,
    "NO3": 9.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2756, 58.6114] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 28,
    "stn_id": "GAK9I",
    "water_depth": 700,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2313",
    "depth": 27.8,
    "PO4": 1.07,
    "SiOH4": 14.15,
    "NO3_NO2": 9.35,
    "NO2": 0.13,
    "NH4": 1.06,
    "NO3": 9.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2756, 58.6114] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 28,
    "stn_id": "GAK9I",
    "water_depth": 700,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2313",
    "depth": 52.9,
    "PO4": 1.21,
    "SiOH4": 17.25,
    "NO3_NO2": 13.24,
    "NO2": 0.12,
    "NH4": 1.26,
    "NO3": 13.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2756, 58.6114] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 28,
    "stn_id": "GAK9I",
    "water_depth": 700,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2313",
    "depth": 78.3,
    "PO4": 1.48,
    "SiOH4": 21.27,
    "NO3_NO2": 18.43,
    "NO2": 0.15,
    "NH4": 1.27,
    "NO3": 18.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2756, 58.6114] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 28,
    "stn_id": "GAK9I",
    "water_depth": 700,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2313",
    "depth": 102.2,
    "PO4": null,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": null,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2756, 58.6114] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 28,
    "stn_id": "GAK9I",
    "water_depth": 700,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2313",
    "depth": 151.8,
    "PO4": 2.02,
    "SiOH4": 34.3,
    "NO3_NO2": 28.19,
    "NO2": 0.06,
    "NH4": 0.89,
    "NO3": 28.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2756, 58.6114] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 28,
    "stn_id": "GAK9I",
    "water_depth": 700,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2313",
    "depth": 199.8,
    "PO4": 2.58,
    "SiOH4": 49.19,
    "NO3_NO2": 38.46,
    "NO2": 0.12,
    "NH4": 0.9,
    "NO3": 38.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2756, 58.6114] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 28,
    "stn_id": "GAK9I",
    "water_depth": 700,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2313",
    "depth": 299.3,
    "PO4": 3.02,
    "SiOH4": 67.51,
    "NO3_NO2": 46.57,
    "NO2": 0.09,
    "NH4": 0.94,
    "NO3": 46.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2756, 58.6114] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 28,
    "stn_id": "GAK9I",
    "water_depth": 700,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2313",
    "depth": 498.3,
    "PO4": null,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": null,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2756, 58.6114] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 28,
    "stn_id": "GAK9I",
    "water_depth": 700,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2313",
    "depth": 698.8,
    "PO4": 3.25,
    "SiOH4": 102.27,
    "NO3_NO2": 52.11,
    "NO2": 0.04,
    "NH4": 0.81,
    "NO3": 52.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2104, 58.5411] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 29,
    "stn_id": "GAK10",
    "water_depth": 1300,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "0044",
    "depth": 1.7,
    "PO4": 1.12,
    "SiOH4": 14.68,
    "NO3_NO2": 10.03,
    "NO2": 0.07,
    "NH4": 0.84,
    "NO3": 9.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2104, 58.5411] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 29,
    "stn_id": "GAK10",
    "water_depth": 1300,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "0044",
    "depth": 25.7,
    "PO4": 1.09,
    "SiOH4": 14.36,
    "NO3_NO2": 9.95,
    "NO2": 0.14,
    "NH4": 1.04,
    "NO3": 9.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2104, 58.5411] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 29,
    "stn_id": "GAK10",
    "water_depth": 1300,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "0044",
    "depth": 50.7,
    "PO4": 0.73,
    "SiOH4": 10.0,
    "NO3_NO2": 7.15,
    "NO2": 0.14,
    "NH4": 1.21,
    "NO3": 7.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2104, 58.5411] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 29,
    "stn_id": "GAK10",
    "water_depth": 1300,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "0044",
    "depth": 75.1,
    "PO4": 1.23,
    "SiOH4": 17.44,
    "NO3_NO2": 13.89,
    "NO2": 0.11,
    "NH4": 0.83,
    "NO3": 13.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2104, 58.5411] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 29,
    "stn_id": "GAK10",
    "water_depth": 1300,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "0044",
    "depth": 100.3,
    "PO4": 1.34,
    "SiOH4": 16.5,
    "NO3_NO2": 12.88,
    "NO2": 0.1,
    "NH4": 0.84,
    "NO3": 12.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2104, 58.5411] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 29,
    "stn_id": "GAK10",
    "water_depth": 1300,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "0044",
    "depth": 249.8,
    "PO4": 2.85,
    "SiOH4": 58.73,
    "NO3_NO2": 41.12,
    "NO2": 0.08,
    "NH4": 0.91,
    "NO3": 41.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2104, 58.5411] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 29,
    "stn_id": "GAK10",
    "water_depth": 1300,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "0044",
    "depth": 503.5,
    "PO4": 3.67,
    "SiOH4": 91.64,
    "NO3_NO2": 55.17,
    "NO2": 0.08,
    "NH4": 0.86,
    "NO3": 55.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2104, 58.5411] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 29,
    "stn_id": "GAK10",
    "water_depth": 1300,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "0044",
    "depth": 1500.2,
    "PO4": 3.77,
    "SiOH4": 136.35,
    "NO3_NO2": 55.34,
    "NO2": 0.07,
    "NH4": 0.81,
    "NO3": 55.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6523, 57.9526] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 30,
    "stn_id": "GAK14",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1256",
    "depth": 2.1,
    "PO4": 0.75,
    "SiOH4": 18.84,
    "NO3_NO2": 6.57,
    "NO2": 0.22,
    "NH4": 0.82,
    "NO3": 6.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6523, 57.9526] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 30,
    "stn_id": "GAK14",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1256",
    "depth": 28.4,
    "PO4": 0.92,
    "SiOH4": 17.01,
    "NO3_NO2": 6.46,
    "NO2": 0.19,
    "NH4": 0.88,
    "NO3": 6.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6523, 57.9526] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 30,
    "stn_id": "GAK14",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1256",
    "depth": 51.7,
    "PO4": 1.4,
    "SiOH4": 27.39,
    "NO3_NO2": 12.81,
    "NO2": 0.29,
    "NH4": 0.95,
    "NO3": 12.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6523, 57.9526] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 30,
    "stn_id": "GAK14",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1256",
    "depth": 76.8,
    "PO4": 1.65,
    "SiOH4": 33.7,
    "NO3_NO2": 15.67,
    "NO2": 0.31,
    "NH4": 0.95,
    "NO3": 15.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6523, 57.9526] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 30,
    "stn_id": "GAK14",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1256",
    "depth": 102.6,
    "PO4": 2.24,
    "SiOH4": 49.41,
    "NO3_NO2": 23.99,
    "NO2": 0.17,
    "NH4": 0.69,
    "NO3": 23.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6523, 57.9526] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 30,
    "stn_id": "GAK14",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1256",
    "depth": 245.6,
    "PO4": 3.03,
    "SiOH4": 79.2,
    "NO3_NO2": 32.53,
    "NO2": 0.15,
    "NH4": 0.73,
    "NO3": 32.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6523, 57.9526] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 30,
    "stn_id": "GAK14",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1256",
    "depth": 502.7,
    "PO4": 3.0,
    "SiOH4": 77.37,
    "NO3_NO2": 29.9,
    "NO2": 0.14,
    "NH4": 0.66,
    "NO3": 29.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6523, 57.9526] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 30,
    "stn_id": "GAK14",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1256",
    "depth": 995.5,
    "PO4": 3.58,
    "SiOH4": 106.54,
    "NO3_NO2": 37.16,
    "NO2": 0.17,
    "NH4": 0.82,
    "NO3": 36.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6523, 57.9526] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 30,
    "stn_id": "GAK14",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1256",
    "depth": 1500.9,
    "PO4": 3.57,
    "SiOH4": 119.12,
    "NO3_NO2": 37.78,
    "NO2": 0.16,
    "NH4": 0.84,
    "NO3": 37.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5124, 57.8076] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 31,
    "stn_id": "GAK15",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1506",
    "depth": 1.8,
    "PO4": 1.29,
    "SiOH4": 16.77,
    "NO3_NO2": 6.05,
    "NO2": 0.23,
    "NH4": 1.23,
    "NO3": 5.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5124, 57.8076] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 31,
    "stn_id": "GAK15",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1506",
    "depth": 28.1,
    "PO4": 1.2,
    "SiOH4": 18.38,
    "NO3_NO2": 6.26,
    "NO2": 0.23,
    "NH4": 1.18,
    "NO3": 6.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5124, 57.8076] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 31,
    "stn_id": "GAK15",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1506",
    "depth": 52.3,
    "PO4": 1.49,
    "SiOH4": 30.01,
    "NO3_NO2": 12.33,
    "NO2": 0.37,
    "NH4": 1.25,
    "NO3": 11.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5124, 57.8076] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 31,
    "stn_id": "GAK15",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1506",
    "depth": 77.1,
    "PO4": 1.62,
    "SiOH4": 32.57,
    "NO3_NO2": 13.96,
    "NO2": 0.2,
    "NH4": 1.06,
    "NO3": 13.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5124, 57.8076] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 31,
    "stn_id": "GAK15",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1506",
    "depth": 102.0,
    "PO4": 2.4,
    "SiOH4": 54.85,
    "NO3_NO2": 24.84,
    "NO2": 0.18,
    "NH4": 0.99,
    "NO3": 24.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5124, 57.8076] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 31,
    "stn_id": "GAK15",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1506",
    "depth": 252.6,
    "PO4": 2.85,
    "SiOH4": 73.06,
    "NO3_NO2": 28.53,
    "NO2": 0.13,
    "NH4": 0.82,
    "NO3": 28.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5124, 57.8076] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 31,
    "stn_id": "GAK15",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1506",
    "depth": 500.8,
    "PO4": 3.3,
    "SiOH4": 89.08,
    "NO3_NO2": 32.72,
    "NO2": 0.15,
    "NH4": 0.95,
    "NO3": 32.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5124, 57.8076] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 31,
    "stn_id": "GAK15",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1506",
    "depth": 1001.1,
    "PO4": 3.52,
    "SiOH4": 113.87,
    "NO3_NO2": 36.59,
    "NO2": 0.16,
    "NH4": 1.01,
    "NO3": 36.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5124, 57.8076] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 31,
    "stn_id": "GAK15",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1506",
    "depth": 1506.6,
    "PO4": 3.39,
    "SiOH4": 116.42,
    "NO3_NO2": 37.21,
    "NO2": 0.14,
    "NH4": 1.07,
    "NO3": 37.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.795, 58.0978] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 32,
    "stn_id": "GAK13",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1812",
    "depth": 1.8,
    "PO4": 1.31,
    "SiOH4": 15.95,
    "NO3_NO2": 6.16,
    "NO2": 0.14,
    "NH4": 1.03,
    "NO3": 5.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.795, 58.0978] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 32,
    "stn_id": "GAK13",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1812",
    "depth": 25.8,
    "PO4": 1.24,
    "SiOH4": 15.68,
    "NO3_NO2": 9.44,
    "NO2": 0.25,
    "NH4": 1.04,
    "NO3": 9.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.795, 58.0978] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 32,
    "stn_id": "GAK13",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1812",
    "depth": 51.5,
    "PO4": 1.45,
    "SiOH4": 21.99,
    "NO3_NO2": 11.07,
    "NO2": 0.28,
    "NH4": 1.06,
    "NO3": 10.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.795, 58.0978] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 32,
    "stn_id": "GAK13",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1812",
    "depth": 73.2,
    "PO4": 1.67,
    "SiOH4": 27.99,
    "NO3_NO2": 14.21,
    "NO2": 0.34,
    "NH4": 1.09,
    "NO3": 13.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.795, 58.0978] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 32,
    "stn_id": "GAK13",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1812",
    "depth": 103.8,
    "PO4": 1.25,
    "SiOH4": 23.65,
    "NO3_NO2": 13.14,
    "NO2": 0.15,
    "NH4": 0.47,
    "NO3": 12.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.795, 58.0978] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 32,
    "stn_id": "GAK13",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1812",
    "depth": 254.1,
    "PO4": 2.54,
    "SiOH4": 66.46,
    "NO3_NO2": 43.24,
    "NO2": 0.12,
    "NH4": 0.92,
    "NO3": 43.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.795, 58.0978] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 32,
    "stn_id": "GAK13",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1812",
    "depth": 500.6,
    "PO4": 2.67,
    "SiOH4": 75.42,
    "NO3_NO2": 30.36,
    "NO2": 0.12,
    "NH4": 0.43,
    "NO3": 30.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.795, 58.0978] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 32,
    "stn_id": "GAK13",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1812",
    "depth": 998.8,
    "PO4": 3.44,
    "SiOH4": 111.12,
    "NO3_NO2": 36.5,
    "NO2": 0.16,
    "NH4": 0.77,
    "NO3": 36.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.795, 58.0978] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 32,
    "stn_id": "GAK13",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1812",
    "depth": 1500.9,
    "PO4": 3.41,
    "SiOH4": 119.58,
    "NO3_NO2": 35.76,
    "NO2": 0.16,
    "NH4": 0.55,
    "NO3": 35.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9386, 58.2414] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 34,
    "stn_id": "GAK12",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2118",
    "depth": 1.8,
    "PO4": 0.98,
    "SiOH4": 17.39,
    "NO3_NO2": 10.88,
    "NO2": 0.2,
    "NH4": 1.06,
    "NO3": 10.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9386, 58.2414] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 34,
    "stn_id": "GAK12",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2118",
    "depth": 25.1,
    "PO4": 1.03,
    "SiOH4": 17.08,
    "NO3_NO2": 11.86,
    "NO2": 0.2,
    "NH4": 1.12,
    "NO3": 11.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9386, 58.2414] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 34,
    "stn_id": "GAK12",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2118",
    "depth": 48.5,
    "PO4": 0.54,
    "SiOH4": 9.63,
    "NO3_NO2": 8.0,
    "NO2": 0.12,
    "NH4": 0.96,
    "NO3": 7.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9386, 58.2414] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 34,
    "stn_id": "GAK12",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2118",
    "depth": 75.6,
    "PO4": 1.33,
    "SiOH4": 19.57,
    "NO3_NO2": 16.17,
    "NO2": 0.14,
    "NH4": 0.97,
    "NO3": 16.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9386, 58.2414] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 34,
    "stn_id": "GAK12",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2118",
    "depth": 103.4,
    "PO4": 1.39,
    "SiOH4": 22.36,
    "NO3_NO2": 17.89,
    "NO2": 0.16,
    "NH4": 1.05,
    "NO3": 17.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9386, 58.2414] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 34,
    "stn_id": "GAK12",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2118",
    "depth": 251.0,
    "PO4": 2.79,
    "SiOH4": 60.87,
    "NO3_NO2": 43.53,
    "NO2": 0.12,
    "NH4": 0.87,
    "NO3": 43.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9386, 58.2414] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 34,
    "stn_id": "GAK12",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2118",
    "depth": 501.0,
    "PO4": 3.23,
    "SiOH4": 94.41,
    "NO3_NO2": 51.69,
    "NO2": 0.12,
    "NH4": 0.89,
    "NO3": 51.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9386, 58.2414] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 34,
    "stn_id": "GAK12",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2118",
    "depth": 1003.6,
    "PO4": 3.19,
    "SiOH4": 129.19,
    "NO3_NO2": 53.04,
    "NO2": 0.12,
    "NH4": 0.89,
    "NO3": 52.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9386, 58.2414] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 34,
    "stn_id": "GAK12",
    "water_depth": 1500,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2118",
    "depth": 1517.3,
    "PO4": 2.99,
    "SiOH4": 149.38,
    "NO3_NO2": 54.39,
    "NO2": 0.12,
    "NH4": 0.91,
    "NO3": 54.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0739, 58.3879] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 35,
    "stn_id": "GAK11",
    "water_depth": 1400,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2358",
    "depth": 2.0,
    "PO4": 1.13,
    "SiOH4": 16.77,
    "NO3_NO2": 12.06,
    "NO2": 0.21,
    "NH4": 1.16,
    "NO3": 11.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0739, 58.3879] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 35,
    "stn_id": "GAK11",
    "water_depth": 1400,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2358",
    "depth": 25.9,
    "PO4": 1.18,
    "SiOH4": 18.63,
    "NO3_NO2": 13.47,
    "NO2": 0.21,
    "NH4": 1.0,
    "NO3": 13.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0739, 58.3879] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 35,
    "stn_id": "GAK11",
    "water_depth": 1400,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2358",
    "depth": 53.4,
    "PO4": 1.25,
    "SiOH4": 18.94,
    "NO3_NO2": null,
    "NO2": 0.23,
    "NH4": 0.96,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0739, 58.3879] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 35,
    "stn_id": "GAK11",
    "water_depth": 1400,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2358",
    "depth": 74.7,
    "PO4": 1.32,
    "SiOH4": 19.25,
    "NO3_NO2": null,
    "NO2": 0.18,
    "NH4": 0.94,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0739, 58.3879] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 35,
    "stn_id": "GAK11",
    "water_depth": 1400,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2358",
    "depth": 99.1,
    "PO4": 1.48,
    "SiOH4": 22.05,
    "NO3_NO2": null,
    "NO2": 0.2,
    "NH4": 1.49,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0739, 58.3879] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 35,
    "stn_id": "GAK11",
    "water_depth": 1400,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2358",
    "depth": 250.2,
    "PO4": 2.62,
    "SiOH4": 63.98,
    "NO3_NO2": null,
    "NO2": 0.13,
    "NH4": 0.92,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0739, 58.3879] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 35,
    "stn_id": "GAK11",
    "water_depth": 1400,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2358",
    "depth": 501.5,
    "PO4": 2.33,
    "SiOH4": 75.47,
    "NO3_NO2": 42.41,
    "NO2": 0.11,
    "NH4": 0.91,
    "NO3": 42.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0739, 58.3879] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 35,
    "stn_id": "GAK11",
    "water_depth": 1400,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2358",
    "depth": 1003.7,
    "PO4": 3.44,
    "SiOH4": 117.7,
    "NO3_NO2": 55.03,
    "NO2": 0.13,
    "NH4": 2.86,
    "NO3": 54.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0739, 58.3879] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 35,
    "stn_id": "GAK11",
    "water_depth": 1400,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2358",
    "depth": 1418.3,
    "PO4": 3.19,
    "SiOH4": 156.83,
    "NO3_NO2": 52.79,
    "NO2": 0.13,
    "NH4": 1.21,
    "NO3": 52.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.076, 59.3008] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 37,
    "stn_id": "AHC-9",
    "water_depth": 194,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1637",
    "depth": 2.0,
    "PO4": null,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": null,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.076, 59.3008] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 37,
    "stn_id": "AHC-9",
    "water_depth": 194,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1637",
    "depth": 11.3,
    "PO4": 1.1,
    "SiOH4": 18.01,
    "NO3_NO2": 10.64,
    "NO2": 0.21,
    "NH4": 0.99,
    "NO3": 10.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.076, 59.3008] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 37,
    "stn_id": "AHC-9",
    "water_depth": 194,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1637",
    "depth": 21.7,
    "PO4": 1.07,
    "SiOH4": 17.7,
    "NO3_NO2": 11.5,
    "NO2": 0.21,
    "NH4": 1.0,
    "NO3": 11.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.076, 59.3008] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 37,
    "stn_id": "AHC-9",
    "water_depth": 194,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1637",
    "depth": 31.4,
    "PO4": 1.2,
    "SiOH4": 19.57,
    "NO3_NO2": 12.11,
    "NO2": 0.22,
    "NH4": 1.31,
    "NO3": 11.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.076, 59.3008] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 37,
    "stn_id": "AHC-9",
    "water_depth": 194,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1637",
    "depth": 41.3,
    "PO4": 1.18,
    "SiOH4": 18.63,
    "NO3_NO2": 13.64,
    "NO2": 0.23,
    "NH4": 1.19,
    "NO3": 13.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.076, 59.3008] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 37,
    "stn_id": "AHC-9",
    "water_depth": 194,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1637",
    "depth": 52.1,
    "PO4": 1.17,
    "SiOH4": 18.94,
    "NO3_NO2": 14.74,
    "NO2": 0.24,
    "NH4": 1.21,
    "NO3": 14.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.076, 59.3008] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 37,
    "stn_id": "AHC-9",
    "water_depth": 194,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1637",
    "depth": 76.8,
    "PO4": 1.18,
    "SiOH4": 20.5,
    "NO3_NO2": 14.73,
    "NO2": 0.24,
    "NH4": 0.92,
    "NO3": 14.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.076, 59.3008] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 37,
    "stn_id": "AHC-9",
    "water_depth": 194,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1637",
    "depth": 102.3,
    "PO4": 1.18,
    "SiOH4": 21.74,
    "NO3_NO2": 15.27,
    "NO2": 0.18,
    "NH4": 0.81,
    "NO3": 15.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.076, 59.3008] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 37,
    "stn_id": "AHC-9",
    "water_depth": 194,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1637",
    "depth": 190.5,
    "PO4": 0.9,
    "SiOH4": 18.32,
    "NO3_NO2": 10.17,
    "NO2": 0.2,
    "NH4": 0.93,
    "NO3": 9.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 59.4009] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 38,
    "stn_id": "AHC-8",
    "water_depth": 203,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1740",
    "depth": 2.1,
    "PO4": 0.93,
    "SiOH4": 17.08,
    "NO3_NO2": 9.85,
    "NO2": 0.2,
    "NH4": 1.11,
    "NO3": 9.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 59.4009] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 38,
    "stn_id": "AHC-8",
    "water_depth": 203,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1740",
    "depth": 10.7,
    "PO4": 1.1,
    "SiOH4": 18.01,
    "NO3_NO2": 10.27,
    "NO2": 0.21,
    "NH4": 1.16,
    "NO3": 10.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 59.4009] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 38,
    "stn_id": "AHC-8",
    "water_depth": 203,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1740",
    "depth": 21.0,
    "PO4": 1.03,
    "SiOH4": 17.7,
    "NO3_NO2": 11.43,
    "NO2": 0.22,
    "NH4": 1.33,
    "NO3": 11.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 59.4009] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 38,
    "stn_id": "AHC-8",
    "water_depth": 203,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1740",
    "depth": 30.7,
    "PO4": 0.98,
    "SiOH4": 16.15,
    "NO3_NO2": 10.61,
    "NO2": 0.2,
    "NH4": 1.04,
    "NO3": 10.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 59.4009] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 38,
    "stn_id": "AHC-8",
    "water_depth": 203,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1740",
    "depth": 40.7,
    "PO4": 0.97,
    "SiOH4": 16.77,
    "NO3_NO2": 10.91,
    "NO2": 0.21,
    "NH4": 1.09,
    "NO3": 10.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 59.4009] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 38,
    "stn_id": "AHC-8",
    "water_depth": 203,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1740",
    "depth": 49.8,
    "PO4": 1.04,
    "SiOH4": 18.01,
    "NO3_NO2": 12.63,
    "NO2": 0.22,
    "NH4": 1.15,
    "NO3": 12.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 59.4009] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 38,
    "stn_id": "AHC-8",
    "water_depth": 203,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1740",
    "depth": 76.5,
    "PO4": 1.24,
    "SiOH4": 18.32,
    "NO3_NO2": 15.84,
    "NO2": 0.21,
    "NH4": 0.89,
    "NO3": 15.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 59.4009] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 38,
    "stn_id": "AHC-8",
    "water_depth": 203,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1740",
    "depth": 100.4,
    "PO4": 1.07,
    "SiOH4": 17.39,
    "NO3_NO2": 14.09,
    "NO2": 0.19,
    "NH4": 1.1,
    "NO3": 13.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 59.4009] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 38,
    "stn_id": "AHC-8",
    "water_depth": 203,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1740",
    "depth": 197.9,
    "PO4": 2.39,
    "SiOH4": 48.45,
    "NO3_NO2": 33.35,
    "NO2": 0.16,
    "NH4": 0.88,
    "NO3": 33.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0758, 59.5003] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 39,
    "stn_id": "AHC-7",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1843",
    "depth": 1.9,
    "PO4": 1.07,
    "SiOH4": 17.5,
    "NO3_NO2": 4.69,
    "NO2": 0.26,
    "NH4": 0.66,
    "NO3": 4.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0758, 59.5003] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 39,
    "stn_id": "AHC-7",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1843",
    "depth": 12.1,
    "PO4": 1.11,
    "SiOH4": 16.86,
    "NO3_NO2": 4.75,
    "NO2": 0.26,
    "NH4": 0.71,
    "NO3": 4.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0758, 59.5003] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 39,
    "stn_id": "AHC-7",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1843",
    "depth": 21.5,
    "PO4": 1.14,
    "SiOH4": 16.86,
    "NO3_NO2": 5.34,
    "NO2": 0.26,
    "NH4": 0.74,
    "NO3": 5.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0758, 59.5003] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 39,
    "stn_id": "AHC-7",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1843",
    "depth": 32.0,
    "PO4": 0.97,
    "SiOH4": 13.29,
    "NO3_NO2": 4.34,
    "NO2": 0.22,
    "NH4": 0.93,
    "NO3": 4.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0758, 59.5003] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 39,
    "stn_id": "AHC-7",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1843",
    "depth": 42.6,
    "PO4": 1.18,
    "SiOH4": 16.21,
    "NO3_NO2": 5.77,
    "NO2": 0.27,
    "NH4": 1.21,
    "NO3": 5.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0758, 59.5003] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 39,
    "stn_id": "AHC-7",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1843",
    "depth": 51.9,
    "PO4": 1.27,
    "SiOH4": 16.21,
    "NO3_NO2": 5.89,
    "NO2": 0.28,
    "NH4": 1.43,
    "NO3": 5.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0758, 59.5003] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 39,
    "stn_id": "AHC-7",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1843",
    "depth": 76.2,
    "PO4": 1.38,
    "SiOH4": 18.15,
    "NO3_NO2": 9.79,
    "NO2": 0.25,
    "NH4": 0.83,
    "NO3": 9.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0758, 59.5003] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 39,
    "stn_id": "AHC-7",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1843",
    "depth": 99.1,
    "PO4": 1.59,
    "SiOH4": 23.34,
    "NO3_NO2": 12.95,
    "NO2": 0.21,
    "NH4": 0.5,
    "NO3": 12.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0758, 59.5003] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 39,
    "stn_id": "AHC-7",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1843",
    "depth": 215.4,
    "PO4": 2.46,
    "SiOH4": 51.54,
    "NO3_NO2": 25.26,
    "NO2": 0.21,
    "NH4": 0.59,
    "NO3": 25.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 59.5999] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 40,
    "stn_id": "AHC-6",
    "water_depth": 206,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1938",
    "depth": 1.3,
    "PO4": 1.17,
    "SiOH4": 17.5,
    "NO3_NO2": 6.6,
    "NO2": 0.31,
    "NH4": 0.65,
    "NO3": 6.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 59.5999] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 40,
    "stn_id": "AHC-6",
    "water_depth": 206,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1938",
    "depth": 12.5,
    "PO4": 1.2,
    "SiOH4": 17.83,
    "NO3_NO2": 6.93,
    "NO2": 0.32,
    "NH4": 0.86,
    "NO3": 6.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 59.5999] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 40,
    "stn_id": "AHC-6",
    "water_depth": 206,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1938",
    "depth": 21.9,
    "PO4": 1.23,
    "SiOH4": 17.83,
    "NO3_NO2": 7.46,
    "NO2": 0.33,
    "NH4": 0.91,
    "NO3": 7.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 59.5999] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 40,
    "stn_id": "AHC-6",
    "water_depth": 206,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1938",
    "depth": 31.8,
    "PO4": 1.22,
    "SiOH4": 17.18,
    "NO3_NO2": 7.47,
    "NO2": 0.33,
    "NH4": 1.09,
    "NO3": 7.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 59.5999] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 40,
    "stn_id": "AHC-6",
    "water_depth": 206,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1938",
    "depth": 41.7,
    "PO4": 1.25,
    "SiOH4": 18.15,
    "NO3_NO2": 8.32,
    "NO2": 0.36,
    "NH4": 1.08,
    "NO3": 7.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 59.5999] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 40,
    "stn_id": "AHC-6",
    "water_depth": 206,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1938",
    "depth": 52.2,
    "PO4": 1.3,
    "SiOH4": 18.48,
    "NO3_NO2": 9.43,
    "NO2": 0.39,
    "NH4": 1.12,
    "NO3": 9.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 59.5999] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 40,
    "stn_id": "AHC-6",
    "water_depth": 206,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1938",
    "depth": 75.2,
    "PO4": 1.35,
    "SiOH4": 20.1,
    "NO3_NO2": 10.96,
    "NO2": 0.38,
    "NH4": 0.76,
    "NO3": 10.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 59.5999] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 40,
    "stn_id": "AHC-6",
    "water_depth": 206,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1938",
    "depth": 98.3,
    "PO4": 1.38,
    "SiOH4": 19.45,
    "NO3_NO2": 11.5,
    "NO2": 0.31,
    "NH4": 0.78,
    "NO3": 11.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 59.5999] },
  "properties": {
    "cruise_id": "HX208",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 40,
    "stn_id": "AHC-6",
    "water_depth": 206,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1938",
    "depth": 201.7,
    "PO4": 2.26,
    "SiOH4": 46.03,
    "NO3_NO2": 24.44,
    "NO2": 0.24,
    "NH4": 0.71,
    "NO3": 24.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3583, 60.0226] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 292,
    "month_gmt": "7",
    "day_gmt": "10",
    "time_gmt": "1809",
    "depth": 0.0,
    "PO4": 0.4,
    "SiOH4": 10.24,
    "NO3_NO2": 0.5,
    "NO2": 0.13,
    "NH4": 0.18,
    "NO3": 0.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3583, 60.0226] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 292,
    "month_gmt": "7",
    "day_gmt": "10",
    "time_gmt": "1809",
    "depth": 10.0,
    "PO4": 0.69,
    "SiOH4": 5.46,
    "NO3_NO2": 0.49,
    "NO2": 0.12,
    "NH4": 0.33,
    "NO3": 0.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3583, 60.0226] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 292,
    "month_gmt": "7",
    "day_gmt": "10",
    "time_gmt": "1809",
    "depth": 20.0,
    "PO4": 0.81,
    "SiOH4": 7.51,
    "NO3_NO2": 1.31,
    "NO2": 0.23,
    "NH4": 1.68,
    "NO3": 1.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3583, 60.0226] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 292,
    "month_gmt": "7",
    "day_gmt": "10",
    "time_gmt": "1809",
    "depth": 30.0,
    "PO4": 0.98,
    "SiOH4": 8.87,
    "NO3_NO2": 5.79,
    "NO2": 0.48,
    "NH4": 1.82,
    "NO3": 5.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3583, 60.0226] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 292,
    "month_gmt": "7",
    "day_gmt": "10",
    "time_gmt": "1809",
    "depth": 40.0,
    "PO4": 1.51,
    "SiOH4": 15.02,
    "NO3_NO2": 11.6,
    "NO2": 0.17,
    "NH4": 0.07,
    "NO3": 11.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3583, 60.0226] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 292,
    "month_gmt": "7",
    "day_gmt": "10",
    "time_gmt": "1809",
    "depth": 50.0,
    "PO4": 1.59,
    "SiOH4": 19.11,
    "NO3_NO2": 12.8,
    "NO2": 0.16,
    "NH4": 0.14,
    "NO3": 12.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3583, 60.0226] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 292,
    "month_gmt": "7",
    "day_gmt": "10",
    "time_gmt": "1809",
    "depth": 100.0,
    "PO4": 1.71,
    "SiOH4": 21.84,
    "NO3_NO2": 14.24,
    "NO2": 0.14,
    "NH4": 0.13,
    "NO3": 14.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3583, 60.0226] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 292,
    "month_gmt": "7",
    "day_gmt": "10",
    "time_gmt": "1809",
    "depth": 200.0,
    "PO4": 1.39,
    "SiOH4": 23.89,
    "NO3_NO2": 14.39,
    "NO2": 0.08,
    "NH4": 0.24,
    "NO3": 14.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3583, 60.0226] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 292,
    "month_gmt": "7",
    "day_gmt": "10",
    "time_gmt": "1809",
    "depth": 250.0,
    "PO4": 2.56,
    "SiOH4": 79.18,
    "NO3_NO2": 23.75,
    "NO2": 0.16,
    "NH4": 0.07,
    "NO3": 23.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3583, 60.0226] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 292,
    "month_gmt": "7",
    "day_gmt": "10",
    "time_gmt": "1809",
    "depth": 290.0,
    "PO4": 2.74,
    "SiOH4": 83.28,
    "NO3_NO2": 25.34,
    "NO2": 0.19,
    "NH4": 0.41,
    "NO3": 25.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4664, 59.8444] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "7",
    "day_gmt": "10",
    "time_gmt": "1944",
    "depth": 0.0,
    "PO4": 0.44,
    "SiOH4": 6.14,
    "NO3_NO2": 0.12,
    "NO2": 0.11,
    "NH4": 0.33,
    "NO3": 0.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4664, 59.8444] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "7",
    "day_gmt": "10",
    "time_gmt": "1944",
    "depth": 10.0,
    "PO4": 0.44,
    "SiOH4": 2.05,
    "NO3_NO2": 0.16,
    "NO2": 0.13,
    "NH4": 0.4,
    "NO3": 0.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4664, 59.8444] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "7",
    "day_gmt": "10",
    "time_gmt": "1944",
    "depth": 20.0,
    "PO4": 0.65,
    "SiOH4": 3.41,
    "NO3_NO2": 0.17,
    "NO2": 0.16,
    "NH4": 0.39,
    "NO3": 0.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4664, 59.8444] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "7",
    "day_gmt": "10",
    "time_gmt": "1944",
    "depth": 30.0,
    "PO4": 1.21,
    "SiOH4": 8.19,
    "NO3_NO2": 4.59,
    "NO2": 0.33,
    "NH4": 0.26,
    "NO3": 4.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4664, 59.8444] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "7",
    "day_gmt": "10",
    "time_gmt": "1944",
    "depth": 50.0,
    "PO4": 1.59,
    "SiOH4": 18.43,
    "NO3_NO2": 11.92,
    "NO2": 0.18,
    "NH4": 1.61,
    "NO3": 11.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4664, 59.8444] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "7",
    "day_gmt": "10",
    "time_gmt": "1944",
    "depth": 100.0,
    "PO4": 1.78,
    "SiOH4": 21.16,
    "NO3_NO2": 13.32,
    "NO2": 0.18,
    "NH4": 0.13,
    "NO3": 13.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4664, 59.8444] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "7",
    "day_gmt": "10",
    "time_gmt": "1944",
    "depth": 200.0,
    "PO4": 2.33,
    "SiOH4": 42.32,
    "NO3_NO2": 22.6,
    "NO2": 0.17,
    "NH4": 0.16,
    "NO3": 22.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4664, 59.8444] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "7",
    "day_gmt": "10",
    "time_gmt": "1944",
    "depth": 250.0,
    "PO4": 2.97,
    "SiOH4": 57.34,
    "NO3_NO2": 28.26,
    "NO2": 0.19,
    "NH4": 0.3,
    "NO3": 28.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4664, 59.8444] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "7",
    "day_gmt": "10",
    "time_gmt": "1944",
    "depth": 265.0,
    "PO4": 3.09,
    "SiOH4": 59.39,
    "NO3_NO2": 28.17,
    "NO2": 0.21,
    "NH4": 0.22,
    "NO3": 27.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3977, 59.7669] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 261,
    "month_gmt": "7",
    "day_gmt": "10",
    "time_gmt": "2120",
    "depth": 0.0,
    "PO4": 0.51,
    "SiOH4": 0.68,
    "NO3_NO2": 0.14,
    "NO2": 0.11,
    "NH4": 0.28,
    "NO3": 0.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3977, 59.7669] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 261,
    "month_gmt": "7",
    "day_gmt": "10",
    "time_gmt": "2120",
    "depth": 10.0,
    "PO4": 0.67,
    "SiOH4": 1.37,
    "NO3_NO2": 0.18,
    "NO2": 0.15,
    "NH4": 0.7,
    "NO3": 0.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3977, 59.7669] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 261,
    "month_gmt": "7",
    "day_gmt": "10",
    "time_gmt": "2120",
    "depth": 20.0,
    "PO4": 0.54,
    "SiOH4": 1.37,
    "NO3_NO2": 1.11,
    "NO2": 0.11,
    "NH4": 0.38,
    "NO3": 1.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3977, 59.7669] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 261,
    "month_gmt": "7",
    "day_gmt": "10",
    "time_gmt": "2120",
    "depth": 30.0,
    "PO4": 1.39,
    "SiOH4": 8.87,
    "NO3_NO2": 6.21,
    "NO2": 0.29,
    "NH4": 1.19,
    "NO3": 5.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3977, 59.7669] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 261,
    "month_gmt": "7",
    "day_gmt": "10",
    "time_gmt": "2120",
    "depth": 40.0,
    "PO4": 1.42,
    "SiOH4": 12.97,
    "NO3_NO2": 7.53,
    "NO2": 0.31,
    "NH4": 1.99,
    "NO3": 7.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3977, 59.7669] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 261,
    "month_gmt": "7",
    "day_gmt": "10",
    "time_gmt": "2120",
    "depth": 50.0,
    "PO4": 1.75,
    "SiOH4": 17.75,
    "NO3_NO2": 12.17,
    "NO2": 0.17,
    "NH4": 1.75,
    "NO3": 12.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3977, 59.7669] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 261,
    "month_gmt": "7",
    "day_gmt": "10",
    "time_gmt": "2120",
    "depth": 100.0,
    "PO4": 1.78,
    "SiOH4": 19.8,
    "NO3_NO2": 12.98,
    "NO2": 0.18,
    "NH4": 1.24,
    "NO3": 12.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3977, 59.7669] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 261,
    "month_gmt": "7",
    "day_gmt": "10",
    "time_gmt": "2120",
    "depth": 150.0,
    "PO4": 2.36,
    "SiOH4": 34.13,
    "NO3_NO2": 19.38,
    "NO2": 0.16,
    "NH4": 0.92,
    "NO3": 19.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3977, 59.7669] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 261,
    "month_gmt": "7",
    "day_gmt": "10",
    "time_gmt": "2120",
    "depth": 200.0,
    "PO4": 2.63,
    "SiOH4": 47.1,
    "NO3_NO2": 24.13,
    "NO2": 0.18,
    "NH4": 1.1,
    "NO3": 23.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3977, 59.7669] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 261,
    "month_gmt": "7",
    "day_gmt": "10",
    "time_gmt": "2120",
    "depth": 253.0,
    "PO4": 3.53,
    "SiOH4": 58.7,
    "NO3_NO2": 28.19,
    "NO2": 0.23,
    "NH4": 1.25,
    "NO3": 27.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1867, 59.5532] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "0017",
    "depth": 0.0,
    "PO4": 0.46,
    "SiOH4": 2.08,
    "NO3_NO2": 0.17,
    "NO2": 0.1,
    "NH4": 1.0,
    "NO3": 0.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1867, 59.5532] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "0017",
    "depth": 10.0,
    "PO4": 0.63,
    "SiOH4": 7.61,
    "NO3_NO2": 0.46,
    "NO2": 0.13,
    "NH4": 1.15,
    "NO3": 0.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1867, 59.5532] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "0017",
    "depth": 20.0,
    "PO4": 1.07,
    "SiOH4": 11.07,
    "NO3_NO2": 7.99,
    "NO2": 0.21,
    "NH4": 1.01,
    "NO3": 7.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1867, 59.5532] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "0017",
    "depth": 30.0,
    "PO4": 1.34,
    "SiOH4": 13.84,
    "NO3_NO2": 9.94,
    "NO2": 0.16,
    "NH4": 1.06,
    "NO3": 9.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1867, 59.5532] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "0017",
    "depth": 40.0,
    "PO4": 1.23,
    "SiOH4": 13.84,
    "NO3_NO2": 9.83,
    "NO2": 0.13,
    "NH4": 1.05,
    "NO3": 9.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1867, 59.5532] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "0017",
    "depth": 50.0,
    "PO4": 1.58,
    "SiOH4": 20.07,
    "NO3_NO2": 13.51,
    "NO2": 0.16,
    "NH4": 1.07,
    "NO3": 13.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1867, 59.5532] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "0017",
    "depth": 100.0,
    "PO4": 1.4,
    "SiOH4": 17.99,
    "NO3_NO2": 12.07,
    "NO2": 0.14,
    "NH4": 1.03,
    "NO3": 11.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1867, 59.5532] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "0017",
    "depth": 150.0,
    "PO4": 2.14,
    "SiOH4": 38.75,
    "NO3_NO2": 21.32,
    "NO2": 0.15,
    "NH4": 1.05,
    "NO3": 21.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1867, 59.5532] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "0017",
    "depth": 200.0,
    "PO4": 1.71,
    "SiOH4": 29.76,
    "NO3_NO2": 17.36,
    "NO2": 0.1,
    "NH4": 0.81,
    "NO3": 17.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1164, 59.4817] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 9,
    "stn_id": "GAK3I",
    "water_depth": 204,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "0147",
    "depth": 0.0,
    "PO4": 0.65,
    "SiOH4": 6.92,
    "NO3_NO2": 0.17,
    "NO2": 0.16,
    "NH4": 1.03,
    "NO3": 0.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1164, 59.4817] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 9,
    "stn_id": "GAK3I",
    "water_depth": 204,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "0147",
    "depth": 10.0,
    "PO4": 0.69,
    "SiOH4": 6.92,
    "NO3_NO2": 0.17,
    "NO2": 0.16,
    "NH4": 1.05,
    "NO3": 0.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1164, 59.4817] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 9,
    "stn_id": "GAK3I",
    "water_depth": 204,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "0147",
    "depth": 20.0,
    "PO4": 1.23,
    "SiOH4": 13.84,
    "NO3_NO2": 8.51,
    "NO2": 0.27,
    "NH4": 1.33,
    "NO3": 8.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1164, 59.4817] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 9,
    "stn_id": "GAK3I",
    "water_depth": 204,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "0147",
    "depth": 30.0,
    "PO4": 1.25,
    "SiOH4": 13.84,
    "NO3_NO2": 9.37,
    "NO2": 0.22,
    "NH4": 1.32,
    "NO3": 9.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1164, 59.4817] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 9,
    "stn_id": "GAK3I",
    "water_depth": 204,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "0147",
    "depth": 40.0,
    "PO4": 1.27,
    "SiOH4": 15.22,
    "NO3_NO2": 10.4,
    "NO2": 0.2,
    "NH4": 1.15,
    "NO3": 10.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1164, 59.4817] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 9,
    "stn_id": "GAK3I",
    "water_depth": 204,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "0147",
    "depth": 50.0,
    "PO4": 1.12,
    "SiOH4": 13.15,
    "NO3_NO2": 10.06,
    "NO2": 0.11,
    "NH4": 0.94,
    "NO3": 9.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1164, 59.4817] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 9,
    "stn_id": "GAK3I",
    "water_depth": 204,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "0147",
    "depth": 100.0,
    "PO4": 1.19,
    "SiOH4": 17.3,
    "NO3_NO2": 12.24,
    "NO2": 0.12,
    "NH4": 0.89,
    "NO3": 12.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1164, 59.4817] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 9,
    "stn_id": "GAK3I",
    "water_depth": 204,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "0147",
    "depth": 150.0,
    "PO4": 2.16,
    "SiOH4": 36.68,
    "NO3_NO2": 22.41,
    "NO2": 0.18,
    "NH4": 1.21,
    "NO3": 22.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1164, 59.4817] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 9,
    "stn_id": "GAK3I",
    "water_depth": 204,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "0147",
    "depth": 200.0,
    "PO4": 2.14,
    "SiOH4": 42.21,
    "NO3_NO2": 25.06,
    "NO2": 0.19,
    "NH4": 1.07,
    "NO3": 24.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0467, 59.4086] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "0232",
    "depth": 0.0,
    "PO4": 0.49,
    "SiOH4": 2.08,
    "NO3_NO2": 0.17,
    "NO2": 0.11,
    "NH4": 1.09,
    "NO3": 0.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0467, 59.4086] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "0232",
    "depth": 10.0,
    "PO4": 0.73,
    "SiOH4": 3.46,
    "NO3_NO2": 0.23,
    "NO2": 0.22,
    "NH4": 1.21,
    "NO3": 0.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0467, 59.4086] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "0232",
    "depth": 20.0,
    "PO4": 0.72,
    "SiOH4": 4.84,
    "NO3_NO2": 0.29,
    "NO2": 0.23,
    "NH4": 1.26,
    "NO3": 0.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0467, 59.4086] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "0232",
    "depth": 30.0,
    "PO4": 1.45,
    "SiOH4": 15.92,
    "NO3_NO2": 11.67,
    "NO2": 0.3,
    "NH4": 1.22,
    "NO3": 11.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0467, 59.4086] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "0232",
    "depth": 40.0,
    "PO4": 1.19,
    "SiOH4": 8.3,
    "NO3_NO2": 8.1,
    "NO2": 0.22,
    "NH4": 0.72,
    "NO3": 7.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0467, 59.4086] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "0232",
    "depth": 50.0,
    "PO4": 1.4,
    "SiOH4": 15.92,
    "NO3_NO2": 12.47,
    "NO2": 0.26,
    "NH4": 1.06,
    "NO3": 12.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0467, 59.4086] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "0232",
    "depth": 75.0,
    "PO4": 1.09,
    "SiOH4": 13.84,
    "NO3_NO2": 10.11,
    "NO2": 0.26,
    "NH4": 1.09,
    "NO3": 9.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0467, 59.4086] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "0232",
    "depth": 100.0,
    "PO4": 1.64,
    "SiOH4": 20.76,
    "NO3_NO2": 15.11,
    "NO2": 0.26,
    "NH4": 1.17,
    "NO3": 14.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0467, 59.4086] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "0232",
    "depth": 150.0,
    "PO4": 2.04,
    "SiOH4": 30.45,
    "NO3_NO2": 20.8,
    "NO2": 0.21,
    "NH4": 1.19,
    "NO3": 20.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0467, 59.4086] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "0232",
    "depth": 195.0,
    "PO4": 2.45,
    "SiOH4": 47.75,
    "NO3_NO2": 27.64,
    "NO2": 0.22,
    "NH4": 1.18,
    "NO3": 27.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2108, 58.5391] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 11,
    "stn_id": "GAK10",
    "water_depth": 1520,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "1504",
    "depth": 0.0,
    "PO4": 0.93,
    "SiOH4": 8.41,
    "NO3_NO2": 3.73,
    "NO2": 0.21,
    "NH4": 1.36,
    "NO3": 3.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2108, 58.5391] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 11,
    "stn_id": "GAK10",
    "water_depth": 1520,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "1504",
    "depth": 25.0,
    "PO4": 1.06,
    "SiOH4": 12.91,
    "NO3_NO2": 5.11,
    "NO2": 0.23,
    "NH4": 1.37,
    "NO3": 4.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2108, 58.5391] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 11,
    "stn_id": "GAK10",
    "water_depth": 1520,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "1504",
    "depth": 40.0,
    "PO4": 1.33,
    "SiOH4": 15.32,
    "NO3_NO2": 7.23,
    "NO2": 0.23,
    "NH4": 1.43,
    "NO3": 7.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2108, 58.5391] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 11,
    "stn_id": "GAK10",
    "water_depth": 1520,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "1504",
    "depth": 75.0,
    "PO4": 1.4,
    "SiOH4": 18.62,
    "NO3_NO2": 9.89,
    "NO2": 0.36,
    "NH4": 1.67,
    "NO3": 9.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2108, 58.5391] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 11,
    "stn_id": "GAK10",
    "water_depth": 1520,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "1504",
    "depth": 100.0,
    "PO4": 2.02,
    "SiOH4": 30.93,
    "NO3_NO2": 17.24,
    "NO2": 0.2,
    "NH4": 1.03,
    "NO3": 17.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2108, 58.5391] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 11,
    "stn_id": "GAK10",
    "water_depth": 1520,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "1504",
    "depth": 250.0,
    "PO4": 2.85,
    "SiOH4": 60.06,
    "NO3_NO2": 27.59,
    "NO2": 0.14,
    "NH4": 1.04,
    "NO3": 27.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2108, 58.5391] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 11,
    "stn_id": "GAK10",
    "water_depth": 1520,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "1504",
    "depth": 500.0,
    "PO4": 3.01,
    "SiOH4": 83.78,
    "NO3_NO2": 30.35,
    "NO2": 0.15,
    "NH4": 1.12,
    "NO3": 30.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2108, 58.5391] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 11,
    "stn_id": "GAK10",
    "water_depth": 1520,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "1504",
    "depth": 1500.0,
    "PO4": 3.53,
    "SiOH4": 141.14,
    "NO3_NO2": 37.17,
    "NO2": 0.17,
    "NH4": 1.54,
    "NO3": 37.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0714, 58.3875] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK11",
    "water_depth": 1420,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "1732",
    "depth": 0.0,
    "PO4": 1.11,
    "SiOH4": 13.21,
    "NO3_NO2": 5.58,
    "NO2": 0.25,
    "NH4": 1.13,
    "NO3": 5.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0714, 58.3875] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK11",
    "water_depth": 1420,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "1732",
    "depth": 25.0,
    "PO4": 0.75,
    "SiOH4": 7.51,
    "NO3_NO2": 3.34,
    "NO2": 0.17,
    "NH4": 1.09,
    "NO3": 3.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0714, 58.3875] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK11",
    "water_depth": 1420,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "1732",
    "depth": 50.0,
    "PO4": 1.54,
    "SiOH4": 23.12,
    "NO3_NO2": 11.22,
    "NO2": 0.3,
    "NH4": 1.78,
    "NO3": 10.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0714, 58.3875] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK11",
    "water_depth": 1420,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "1732",
    "depth": 75.0,
    "PO4": 1.52,
    "SiOH4": 21.32,
    "NO3_NO2": 11.64,
    "NO2": 0.47,
    "NH4": 1.57,
    "NO3": 11.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0714, 58.3875] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK11",
    "water_depth": 1420,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "1732",
    "depth": 100.0,
    "PO4": 1.91,
    "SiOH4": 30.33,
    "NO3_NO2": 16.54,
    "NO2": 0.17,
    "NH4": 1.15,
    "NO3": 16.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0714, 58.3875] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK11",
    "water_depth": 1420,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "1732",
    "depth": 250.0,
    "PO4": 2.86,
    "SiOH4": 63.96,
    "NO3_NO2": 29.12,
    "NO2": 0.16,
    "NH4": 1.05,
    "NO3": 28.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0714, 58.3875] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK11",
    "water_depth": 1420,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "1732",
    "depth": 500.0,
    "PO4": 3.29,
    "SiOH4": 91.59,
    "NO3_NO2": 34.88,
    "NO2": 0.17,
    "NH4": 1.18,
    "NO3": 34.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0714, 58.3875] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK11",
    "water_depth": 1420,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "1732",
    "depth": 1000.0,
    "PO4": 3.14,
    "SiOH4": 108.11,
    "NO3_NO2": 31.45,
    "NO2": 0.17,
    "NH4": 1.41,
    "NO3": 31.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0714, 58.3875] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK11",
    "water_depth": 1420,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "1732",
    "depth": 1400.0,
    "PO4": 3.37,
    "SiOH4": 134.53,
    "NO3_NO2": 35.29,
    "NO2": 0.18,
    "NH4": 1.25,
    "NO3": 35.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9306, 58.2451] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK12",
    "water_depth": 2084,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "2007",
    "depth": 0.0,
    "PO4": 1.08,
    "SiOH4": 11.71,
    "NO3_NO2": 4.77,
    "NO2": 0.27,
    "NH4": 1.37,
    "NO3": 4.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9306, 58.2451] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK12",
    "water_depth": 2084,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "2007",
    "depth": 25.0,
    "PO4": 1.04,
    "SiOH4": 9.91,
    "NO3_NO2": 4.54,
    "NO2": 0.22,
    "NH4": 1.32,
    "NO3": 4.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9306, 58.2451] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK12",
    "water_depth": 2084,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "2007",
    "depth": 50.0,
    "PO4": 1.48,
    "SiOH4": 17.72,
    "NO3_NO2": 8.91,
    "NO2": 0.29,
    "NH4": 1.78,
    "NO3": 8.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9306, 58.2451] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK12",
    "water_depth": 2084,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "2007",
    "depth": 75.0,
    "PO4": 1.71,
    "SiOH4": 24.02,
    "NO3_NO2": 13.49,
    "NO2": 0.62,
    "NH4": 1.46,
    "NO3": 12.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9306, 58.2451] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK12",
    "water_depth": 2084,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "2007",
    "depth": 100.0,
    "PO4": 2.09,
    "SiOH4": 36.04,
    "NO3_NO2": 19.67,
    "NO2": 0.2,
    "NH4": 1.29,
    "NO3": 19.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9306, 58.2451] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK12",
    "water_depth": 2084,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "2007",
    "depth": 250.0,
    "PO4": 2.29,
    "SiOH4": 52.55,
    "NO3_NO2": 24.89,
    "NO2": 0.14,
    "NH4": 1.35,
    "NO3": 24.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9306, 58.2451] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK12",
    "water_depth": 2084,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "2007",
    "depth": 500.0,
    "PO4": 3.48,
    "SiOH4": 69.67,
    "NO3_NO2": 36.3,
    "NO2": 0.2,
    "NH4": 1.24,
    "NO3": 36.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9306, 58.2451] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK12",
    "water_depth": 2084,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "2007",
    "depth": 1000.0,
    "PO4": 3.54,
    "SiOH4": 129.73,
    "NO3_NO2": 37.89,
    "NO2": 0.19,
    "NH4": 1.24,
    "NO3": 37.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9306, 58.2451] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK12",
    "water_depth": 2084,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "2007",
    "depth": 1500.0,
    "PO4": 3.42,
    "SiOH4": 140.24,
    "NO3_NO2": 38.95,
    "NO2": 0.63,
    "NH4": 0.86,
    "NO3": 38.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7932, 58.0982] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK13",
    "water_depth": 2048,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "2230",
    "depth": 0.0,
    "PO4": 0.7,
    "SiOH4": 5.65,
    "NO3_NO2": 1.34,
    "NO2": 0.17,
    "NH4": 0.8,
    "NO3": 1.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7932, 58.0982] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK13",
    "water_depth": 2048,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "2230",
    "depth": 25.0,
    "PO4": 0.92,
    "SiOH4": 8.48,
    "NO3_NO2": 3.83,
    "NO2": 0.19,
    "NH4": 0.92,
    "NO3": 3.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7932, 58.0982] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK13",
    "water_depth": 2048,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "2230",
    "depth": 50.0,
    "PO4": 1.12,
    "SiOH4": 12.44,
    "NO3_NO2": 6.45,
    "NO2": 0.19,
    "NH4": 1.53,
    "NO3": 6.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7932, 58.0982] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK13",
    "water_depth": 2048,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "2230",
    "depth": 75.0,
    "PO4": 1.3,
    "SiOH4": 22.03,
    "NO3_NO2": 11.93,
    "NO2": 0.54,
    "NH4": 1.24,
    "NO3": 11.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7932, 58.0982] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK13",
    "water_depth": 2048,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "2230",
    "depth": 100.0,
    "PO4": 1.5,
    "SiOH4": 25.99,
    "NO3_NO2": 14.27,
    "NO2": 0.1,
    "NH4": 0.72,
    "NO3": 14.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7932, 58.0982] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK13",
    "water_depth": 2048,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "2230",
    "depth": 250.0,
    "PO4": 2.39,
    "SiOH4": 52.48,
    "NO3_NO2": 28.3,
    "NO2": 0.08,
    "NH4": 0.78,
    "NO3": 28.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7932, 58.0982] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK13",
    "water_depth": 2048,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "2230",
    "depth": 500.0,
    "PO4": 1.97,
    "SiOH4": 62.63,
    "NO3_NO2": 27.22,
    "NO2": 0.05,
    "NH4": 0.74,
    "NO3": 27.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7932, 58.0982] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK13",
    "water_depth": 2048,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "2230",
    "depth": 1000.0,
    "PO4": 2.71,
    "SiOH4": 67.15,
    "NO3_NO2": 32.98,
    "NO2": 0.1,
    "NH4": 0.84,
    "NO3": 32.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7932, 58.0982] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK13",
    "water_depth": 2048,
    "month_gmt": "7",
    "day_gmt": "11",
    "time_gmt": "2230",
    "depth": 1500.0,
    "PO4": 2.73,
    "SiOH4": 71.68,
    "NO3_NO2": 32.33,
    "NO2": 0.1,
    "NH4": 0.91,
    "NO3": 32.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6588, 57.952] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 17,
    "stn_id": "GAK14",
    "water_depth": 2720,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "0134",
    "depth": 0.0,
    "PO4": 0.7,
    "SiOH4": 9.72,
    "NO3_NO2": 3.88,
    "NO2": 0.15,
    "NH4": 1.1,
    "NO3": 3.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6588, 57.952] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 17,
    "stn_id": "GAK14",
    "water_depth": 2720,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "0134",
    "depth": 25.0,
    "PO4": 0.84,
    "SiOH4": 9.17,
    "NO3_NO2": 5.08,
    "NO2": 0.18,
    "NH4": 1.08,
    "NO3": 4.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6588, 57.952] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 17,
    "stn_id": "GAK14",
    "water_depth": 2720,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "0134",
    "depth": 50.0,
    "PO4": 1.26,
    "SiOH4": 19.89,
    "NO3_NO2": 10.85,
    "NO2": 0.25,
    "NH4": 2.11,
    "NO3": 10.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6588, 57.952] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 17,
    "stn_id": "GAK14",
    "water_depth": 2720,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "0134",
    "depth": 75.0,
    "PO4": 1.5,
    "SiOH4": 26.1,
    "NO3_NO2": 16.61,
    "NO2": 0.78,
    "NH4": 0.95,
    "NO3": 15.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6588, 57.952] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 17,
    "stn_id": "GAK14",
    "water_depth": 2720,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "0134",
    "depth": 100.0,
    "PO4": 1.94,
    "SiOH4": 30.06,
    "NO3_NO2": 21.51,
    "NO2": 0.09,
    "NH4": 0.85,
    "NO3": 21.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6588, 57.952] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 17,
    "stn_id": "GAK14",
    "water_depth": 2720,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "0134",
    "depth": 250.0,
    "PO4": 2.81,
    "SiOH4": 55.42,
    "NO3_NO2": 34.26,
    "NO2": 0.07,
    "NH4": 0.89,
    "NO3": 34.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6588, 57.952] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 17,
    "stn_id": "GAK14",
    "water_depth": 2720,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "0134",
    "depth": 500.0,
    "PO4": 2.36,
    "SiOH4": 43.04,
    "NO3_NO2": 24.34,
    "NO2": 0.03,
    "NH4": 1.0,
    "NO3": 24.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6588, 57.952] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 17,
    "stn_id": "GAK14",
    "water_depth": 2720,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "0134",
    "depth": 1000.0,
    "PO4": 2.6,
    "SiOH4": 66.72,
    "NO3_NO2": 26.12,
    "NO2": 0.04,
    "NH4": 1.2,
    "NO3": 26.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6588, 57.952] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 17,
    "stn_id": "GAK14",
    "water_depth": 2720,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "0134",
    "depth": 1500.0,
    "PO4": 3.11,
    "SiOH4": 78.56,
    "NO3_NO2": 36.58,
    "NO2": 0.1,
    "NH4": 0.98,
    "NO3": 36.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.208, 58.5403] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK10",
    "water_depth": 1400,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "1622",
    "depth": 0.0,
    "PO4": 1.04,
    "SiOH4": 11.54,
    "NO3_NO2": 5.57,
    "NO2": 0.17,
    "NH4": 1.29,
    "NO3": 5.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.208, 58.5403] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK10",
    "water_depth": 1400,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "1622",
    "depth": 25.0,
    "PO4": 1.07,
    "SiOH4": 14.37,
    "NO3_NO2": 6.91,
    "NO2": 0.17,
    "NH4": 1.25,
    "NO3": 6.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.208, 58.5403] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK10",
    "water_depth": 1400,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "1622",
    "depth": 50.0,
    "PO4": 1.26,
    "SiOH4": 19.18,
    "NO3_NO2": 11.82,
    "NO2": 0.32,
    "NH4": 1.74,
    "NO3": 11.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.208, 58.5403] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK10",
    "water_depth": 1400,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "1622",
    "depth": 75.0,
    "PO4": 1.4,
    "SiOH4": 22.27,
    "NO3_NO2": 15.38,
    "NO2": 0.46,
    "NH4": 1.08,
    "NO3": 14.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.208, 58.5403] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK10",
    "water_depth": 1400,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "1622",
    "depth": 100.0,
    "PO4": 1.82,
    "SiOH4": 28.48,
    "NO3_NO2": 19.01,
    "NO2": 0.13,
    "NH4": 1.02,
    "NO3": 18.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.208, 58.5403] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK10",
    "water_depth": 1400,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "1622",
    "depth": 250.0,
    "PO4": 2.94,
    "SiOH4": 54.97,
    "NO3_NO2": 34.6,
    "NO2": 0.11,
    "NH4": 1.15,
    "NO3": 34.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.208, 58.5403] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK10",
    "water_depth": 1400,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "1622",
    "depth": 500.0,
    "PO4": 3.26,
    "SiOH4": 61.18,
    "NO3_NO2": 36.52,
    "NO2": 0.09,
    "NH4": 1.15,
    "NO3": 36.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.208, 58.5403] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK10",
    "water_depth": 1400,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "1622",
    "depth": 1463.0,
    "PO4": 3.34,
    "SiOH4": 78.1,
    "NO3_NO2": 37.86,
    "NO2": 0.1,
    "NH4": 1.1,
    "NO3": 37.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2785, 58.6107] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "GAK9I",
    "water_depth": 683,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "1820",
    "depth": 0.0,
    "PO4": 0.87,
    "SiOH4": 7.69,
    "NO3_NO2": 2.0,
    "NO2": 0.12,
    "NH4": 1.1,
    "NO3": 1.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2785, 58.6107] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "GAK9I",
    "water_depth": 683,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "1820",
    "depth": 25.0,
    "PO4": 1.19,
    "SiOH4": 8.83,
    "NO3_NO2": 6.05,
    "NO2": 0.18,
    "NH4": 1.11,
    "NO3": 5.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2785, 58.6107] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "GAK9I",
    "water_depth": 683,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "1820",
    "depth": 50.0,
    "PO4": 1.18,
    "SiOH4": 15.34,
    "NO3_NO2": 11.48,
    "NO2": 0.15,
    "NH4": 1.29,
    "NO3": 11.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2785, 58.6107] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "GAK9I",
    "water_depth": 683,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "1820",
    "depth": 75.0,
    "PO4": 1.93,
    "SiOH4": 26.87,
    "NO3_NO2": 19.23,
    "NO2": 0.07,
    "NH4": 1.09,
    "NO3": 19.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2785, 58.6107] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "GAK9I",
    "water_depth": 683,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "1820",
    "depth": 100.0,
    "PO4": 1.87,
    "SiOH4": 17.87,
    "NO3_NO2": 14.01,
    "NO2": 0.05,
    "NH4": 0.94,
    "NO3": 13.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2785, 58.6107] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "GAK9I",
    "water_depth": 683,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "1820",
    "depth": 250.0,
    "PO4": 2.9,
    "SiOH4": 48.31,
    "NO3_NO2": 31.32,
    "NO2": 0.08,
    "NH4": 1.19,
    "NO3": 31.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2785, 58.6107] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "GAK9I",
    "water_depth": 683,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "1820",
    "depth": 500.0,
    "PO4": 3.02,
    "SiOH4": 58.46,
    "NO3_NO2": 32.66,
    "NO2": 0.07,
    "NH4": 1.11,
    "NO3": 32.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2785, 58.6107] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "GAK9I",
    "water_depth": 683,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "1820",
    "depth": 689.0,
    "PO4": 3.26,
    "SiOH4": 76.51,
    "NO3_NO2": 38.0,
    "NO2": 0.09,
    "NH4": 1.23,
    "NO3": 37.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3535, 58.6777] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "1947",
    "depth": 0.0,
    "PO4": 0.83,
    "SiOH4": 7.79,
    "NO3_NO2": 0.15,
    "NO2": 0.09,
    "NH4": 1.28,
    "NO3": 0.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3535, 58.6777] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "1947",
    "depth": 10.0,
    "PO4": 0.58,
    "SiOH4": 7.67,
    "NO3_NO2": 0.19,
    "NO2": 0.14,
    "NH4": 1.35,
    "NO3": 0.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3535, 58.6777] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "1947",
    "depth": 20.0,
    "PO4": 1.05,
    "SiOH4": 10.06,
    "NO3_NO2": 4.2,
    "NO2": 0.21,
    "NH4": 1.28,
    "NO3": 3.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3535, 58.6777] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "1947",
    "depth": 30.0,
    "PO4": 1.31,
    "SiOH4": 12.32,
    "NO3_NO2": 8.53,
    "NO2": 0.31,
    "NH4": 1.38,
    "NO3": 8.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3535, 58.6777] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "1947",
    "depth": 40.0,
    "PO4": 1.47,
    "SiOH4": 15.15,
    "NO3_NO2": 11.3,
    "NO2": 0.1,
    "NH4": 1.32,
    "NO3": 11.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3535, 58.6777] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "1947",
    "depth": 50.0,
    "PO4": 2.03,
    "SiOH4": 17.42,
    "NO3_NO2": 14.5,
    "NO2": 0.12,
    "NH4": 0.94,
    "NO3": 14.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3535, 58.6777] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "1947",
    "depth": 100.0,
    "PO4": 2.21,
    "SiOH4": 29.83,
    "NO3_NO2": 19.41,
    "NO2": 0.11,
    "NH4": 1.09,
    "NO3": 19.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3535, 58.6777] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "1947",
    "depth": 200.0,
    "PO4": 2.48,
    "SiOH4": 54.25,
    "NO3_NO2": 31.03,
    "NO2": 0.15,
    "NH4": 1.33,
    "NO3": 30.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3535, 58.6777] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "1947",
    "depth": 275.0,
    "PO4": 3.09,
    "SiOH4": 64.21,
    "NO3_NO2": 34.57,
    "NO2": 0.12,
    "NH4": 1.09,
    "NO3": 34.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4235, 58.7421] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 22,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "2134",
    "depth": 0.0,
    "PO4": 0.58,
    "SiOH4": 7.12,
    "NO3_NO2": 0.43,
    "NO2": 0.14,
    "NH4": 1.26,
    "NO3": 0.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4235, 58.7421] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 22,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "2134",
    "depth": 10.0,
    "PO4": null,
    "SiOH4": 9.58,
    "NO3_NO2": 0.3,
    "NO2": 0.09,
    "NH4": 0.85,
    "NO3": 0.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4235, 58.7421] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 22,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "2134",
    "depth": 20.0,
    "PO4": 0.81,
    "SiOH4": 10.7,
    "NO3_NO2": 4.08,
    "NO2": 0.29,
    "NH4": 1.26,
    "NO3": 3.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4235, 58.7421] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 22,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "2134",
    "depth": 30.0,
    "PO4": 0.98,
    "SiOH4": 11.83,
    "NO3_NO2": 7.72,
    "NO2": 0.34,
    "NH4": 1.24,
    "NO3": 7.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4235, 58.7421] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 22,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "2134",
    "depth": 40.0,
    "PO4": 1.18,
    "SiOH4": 13.52,
    "NO3_NO2": 9.51,
    "NO2": 0.29,
    "NH4": 1.32,
    "NO3": 9.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4235, 58.7421] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 22,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "2134",
    "depth": 50.0,
    "PO4": 1.23,
    "SiOH4": 13.52,
    "NO3_NO2": 9.59,
    "NO2": 0.16,
    "NH4": 1.29,
    "NO3": 9.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4235, 58.7421] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 22,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "2134",
    "depth": 75.0,
    "PO4": 1.05,
    "SiOH4": 17.46,
    "NO3_NO2": 12.8,
    "NO2": 0.2,
    "NH4": 1.13,
    "NO3": 12.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4235, 58.7421] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 22,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "2134",
    "depth": 100.0,
    "PO4": 1.38,
    "SiOH4": 23.66,
    "NO3_NO2": 16.59,
    "NO2": 0.17,
    "NH4": 1.03,
    "NO3": 16.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4235, 58.7421] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 22,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "2134",
    "depth": 200.0,
    "PO4": 2.34,
    "SiOH4": 52.39,
    "NO3_NO2": 33.05,
    "NO2": 0.19,
    "NH4": 1.04,
    "NO3": 32.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4235, 58.7421] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 22,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "2134",
    "depth": 278.0,
    "PO4": 2.77,
    "SiOH4": 62.54,
    "NO3_NO2": 36.84,
    "NO2": 0.21,
    "NH4": 1.05,
    "NO3": 36.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4931, 58.7909] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "2226",
    "depth": 0.0,
    "PO4": 0.15,
    "SiOH4": 7.3,
    "NO3_NO2": 0.15,
    "NO2": 0.13,
    "NH4": 0.86,
    "NO3": 0.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4931, 58.7909] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "2226",
    "depth": 10.0,
    "PO4": 0.18,
    "SiOH4": 8.01,
    "NO3_NO2": 0.44,
    "NO2": 0.15,
    "NH4": 0.85,
    "NO3": 0.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4931, 58.7909] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "2226",
    "depth": 20.0,
    "PO4": 0.29,
    "SiOH4": 14.71,
    "NO3_NO2": 9.57,
    "NO2": 0.36,
    "NH4": 0.88,
    "NO3": 9.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4931, 58.7909] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "2226",
    "depth": 30.0,
    "PO4": 0.25,
    "SiOH4": 10.62,
    "NO3_NO2": 7.9,
    "NO2": 0.26,
    "NH4": 0.95,
    "NO3": 7.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4931, 58.7909] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "2226",
    "depth": 40.0,
    "PO4": 0.25,
    "SiOH4": 16.12,
    "NO3_NO2": 12.11,
    "NO2": 0.27,
    "NH4": 0.89,
    "NO3": 11.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4931, 58.7909] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "2226",
    "depth": 50.0,
    "PO4": 0.31,
    "SiOH4": 16.23,
    "NO3_NO2": 12.54,
    "NO2": 0.19,
    "NH4": 1.08,
    "NO3": 12.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4931, 58.7909] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "2226",
    "depth": 100.0,
    "PO4": 0.85,
    "SiOH4": 31.32,
    "NO3_NO2": 20.87,
    "NO2": 0.13,
    "NH4": 0.88,
    "NO3": 20.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4931, 58.7909] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "2226",
    "depth": 200.0,
    "PO4": 1.58,
    "SiOH4": 56.0,
    "NO3_NO2": 33.98,
    "NO2": 0.12,
    "NH4": 0.93,
    "NO3": 33.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4931, 58.7909] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "7",
    "day_gmt": "12",
    "time_gmt": "2226",
    "depth": 285.0,
    "PO4": null,
    "SiOH4": 61.5,
    "NO3_NO2": 33.98,
    "NO2": 0.13,
    "NH4": 0.96,
    "NO3": 33.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6295, 58.9721] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "GAK7",
    "water_depth": 245,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0011",
    "depth": 0.0,
    "PO4": 0.43,
    "SiOH4": 5.87,
    "NO3_NO2": 0.61,
    "NO2": 0.12,
    "NH4": 0.9,
    "NO3": 0.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6295, 58.9721] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "GAK7",
    "water_depth": 245,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0011",
    "depth": 10.0,
    "PO4": 0.28,
    "SiOH4": 8.37,
    "NO3_NO2": 1.19,
    "NO2": 0.19,
    "NH4": 0.95,
    "NO3": 1.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6295, 58.9721] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "GAK7",
    "water_depth": 245,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0011",
    "depth": 20.0,
    "PO4": 0.28,
    "SiOH4": 13.87,
    "NO3_NO2": 6.26,
    "NO2": 0.28,
    "NH4": 0.89,
    "NO3": 5.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6295, 58.9721] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "GAK7",
    "water_depth": 245,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0011",
    "depth": 30.0,
    "PO4": 0.31,
    "SiOH4": 17.58,
    "NO3_NO2": 12.05,
    "NO2": 0.17,
    "NH4": 1.04,
    "NO3": 11.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6295, 58.9721] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "GAK7",
    "water_depth": 245,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0011",
    "depth": 40.0,
    "PO4": 0.33,
    "SiOH4": 15.88,
    "NO3_NO2": 11.04,
    "NO2": 0.13,
    "NH4": 1.15,
    "NO3": 10.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6295, 58.9721] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "GAK7",
    "water_depth": 245,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0011",
    "depth": 50.0,
    "PO4": 0.34,
    "SiOH4": 18.99,
    "NO3_NO2": 13.07,
    "NO2": 0.21,
    "NH4": 0.87,
    "NO3": 12.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6295, 58.9721] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "GAK7",
    "water_depth": 245,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0011",
    "depth": 75.0,
    "PO4": 0.35,
    "SiOH4": 18.5,
    "NO3_NO2": 12.64,
    "NO2": 0.13,
    "NH4": 0.93,
    "NO3": 12.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6295, 58.9721] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "GAK7",
    "water_depth": 245,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0011",
    "depth": 100.0,
    "PO4": 0.68,
    "SiOH4": 26.99,
    "NO3_NO2": 17.64,
    "NO2": 0.14,
    "NH4": 1.05,
    "NO3": 17.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6295, 58.9721] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "GAK7",
    "water_depth": 245,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0011",
    "depth": 240.0,
    "PO4": 0.44,
    "SiOH4": 33.69,
    "NO3_NO2": 21.77,
    "NO2": 0.09,
    "NH4": 0.93,
    "NO3": 21.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7709, 59.1163] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0201",
    "depth": 0.0,
    "PO4": 0.17,
    "SiOH4": 6.23,
    "NO3_NO2": 0.27,
    "NO2": 0.11,
    "NH4": 0.99,
    "NO3": 0.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7709, 59.1163] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0201",
    "depth": 10.0,
    "PO4": 0.14,
    "SiOH4": 7.54,
    "NO3_NO2": 0.85,
    "NO2": 0.13,
    "NH4": 1.06,
    "NO3": 0.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7709, 59.1163] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0201",
    "depth": 20.0,
    "PO4": 0.11,
    "SiOH4": 8.24,
    "NO3_NO2": 4.11,
    "NO2": 0.17,
    "NH4": 1.15,
    "NO3": 3.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7709, 59.1163] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0201",
    "depth": 30.0,
    "PO4": 0.26,
    "SiOH4": 17.94,
    "NO3_NO2": 11.28,
    "NO2": 0.3,
    "NH4": 1.24,
    "NO3": 10.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7709, 59.1163] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0201",
    "depth": 40.0,
    "PO4": 0.31,
    "SiOH4": 19.25,
    "NO3_NO2": 12.88,
    "NO2": 0.17,
    "NH4": 1.0,
    "NO3": 12.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7709, 59.1163] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0201",
    "depth": 50.0,
    "PO4": 0.28,
    "SiOH4": 20.55,
    "NO3_NO2": 13.53,
    "NO2": 0.14,
    "NH4": 1.0,
    "NO3": 13.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7709, 59.1163] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0201",
    "depth": 75.0,
    "PO4": 0.34,
    "SiOH4": 19.46,
    "NO3_NO2": 13.39,
    "NO2": 0.28,
    "NH4": 1.11,
    "NO3": 13.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7709, 59.1163] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0201",
    "depth": 100.0,
    "PO4": 0.24,
    "SiOH4": 22.56,
    "NO3_NO2": 14.91,
    "NO2": 0.13,
    "NH4": 0.99,
    "NO3": 14.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7709, 59.1163] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0201",
    "depth": 145.0,
    "PO4": 1.02,
    "SiOH4": 39.45,
    "NO3_NO2": 24.91,
    "NO2": 0.14,
    "NH4": 0.98,
    "NO3": 24.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8374, 59.1903] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 27,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0257",
    "depth": 0.0,
    "PO4": 0.15,
    "SiOH4": 3.0,
    "NO3_NO2": 0.14,
    "NO2": 0.11,
    "NH4": 0.83,
    "NO3": 0.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8374, 59.1903] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 27,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0257",
    "depth": 10.0,
    "PO4": 0.25,
    "SiOH4": 7.19,
    "NO3_NO2": 0.21,
    "NO2": 0.19,
    "NH4": 1.13,
    "NO3": 0.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8374, 59.1903] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 27,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0257",
    "depth": 20.0,
    "PO4": 0.15,
    "SiOH4": 5.99,
    "NO3_NO2": 2.96,
    "NO2": 0.16,
    "NH4": 0.97,
    "NO3": 2.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8374, 59.1903] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 27,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0257",
    "depth": 30.0,
    "PO4": 0.47,
    "SiOH4": 14.39,
    "NO3_NO2": 8.9,
    "NO2": 0.3,
    "NH4": 1.57,
    "NO3": 8.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8374, 59.1903] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 27,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0257",
    "depth": 40.0,
    "PO4": 0.62,
    "SiOH4": 16.18,
    "NO3_NO2": 10.99,
    "NO2": 0.18,
    "NH4": 1.37,
    "NO3": 10.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8374, 59.1903] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 27,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0257",
    "depth": 50.0,
    "PO4": 0.65,
    "SiOH4": 17.98,
    "NO3_NO2": 12.29,
    "NO2": 0.23,
    "NH4": 1.75,
    "NO3": 12.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8374, 59.1903] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 27,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0257",
    "depth": 75.0,
    "PO4": 0.68,
    "SiOH4": 17.98,
    "NO3_NO2": 12.65,
    "NO2": 0.18,
    "NH4": 1.61,
    "NO3": 12.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8374, 59.1903] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 27,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0257",
    "depth": 100.0,
    "PO4": 0.72,
    "SiOH4": 27.57,
    "NO3_NO2": 17.36,
    "NO2": 0.17,
    "NH4": 1.69,
    "NO3": 17.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8374, 59.1903] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 27,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0257",
    "depth": 164.0,
    "PO4": 1.46,
    "SiOH4": 34.77,
    "NO3_NO2": 20.9,
    "NO2": 0.17,
    "NH4": 1.38,
    "NO3": 20.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9083, 59.2607] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 28,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0344",
    "depth": 0.0,
    "PO4": 0.34,
    "SiOH4": 1.8,
    "NO3_NO2": 0.41,
    "NO2": 0.07,
    "NH4": 0.63,
    "NO3": 0.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9083, 59.2607] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 28,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0344",
    "depth": 10.0,
    "PO4": 0.48,
    "SiOH4": 8.99,
    "NO3_NO2": 3.45,
    "NO2": 0.24,
    "NH4": 1.46,
    "NO3": 3.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9083, 59.2607] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 28,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0344",
    "depth": 20.0,
    "PO4": 0.63,
    "SiOH4": 16.18,
    "NO3_NO2": 9.96,
    "NO2": 0.32,
    "NH4": 1.3,
    "NO3": 9.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9083, 59.2607] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 28,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0344",
    "depth": 30.0,
    "PO4": 0.68,
    "SiOH4": 16.78,
    "NO3_NO2": 10.9,
    "NO2": 0.25,
    "NH4": 1.06,
    "NO3": 10.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9083, 59.2607] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 28,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0344",
    "depth": 40.0,
    "PO4": 0.49,
    "SiOH4": 13.19,
    "NO3_NO2": 9.3,
    "NO2": 0.13,
    "NH4": 0.8,
    "NO3": 9.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9083, 59.2607] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 28,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0344",
    "depth": 50.0,
    "PO4": 0.44,
    "SiOH4": 11.39,
    "NO3_NO2": 8.36,
    "NO2": 0.11,
    "NH4": 0.76,
    "NO3": 8.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9083, 59.2607] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 28,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0344",
    "depth": 75.0,
    "PO4": 1.1,
    "SiOH4": 20.38,
    "NO3_NO2": 14.08,
    "NO2": 0.17,
    "NH4": 1.04,
    "NO3": 13.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9083, 59.2607] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 28,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0344",
    "depth": 100.0,
    "PO4": 1.73,
    "SiOH4": 36.56,
    "NO3_NO2": 22.55,
    "NO2": 0.19,
    "NH4": 1.1,
    "NO3": 22.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9083, 59.2607] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 28,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0344",
    "depth": 164.0,
    "PO4": 1.14,
    "SiOH4": 32.97,
    "NO3_NO2": 20.37,
    "NO2": 0.15,
    "NH4": 1.08,
    "NO3": 20.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9784, 59.334] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 30,
    "stn_id": "GAK4I",
    "water_depth": 194,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0506",
    "depth": 0.0,
    "PO4": 0.53,
    "SiOH4": 4.8,
    "NO3_NO2": 1.33,
    "NO2": 0.13,
    "NH4": 0.82,
    "NO3": 1.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9784, 59.334] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 30,
    "stn_id": "GAK4I",
    "water_depth": 194,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0506",
    "depth": 10.0,
    "PO4": 0.58,
    "SiOH4": 6.59,
    "NO3_NO2": 1.61,
    "NO2": 0.16,
    "NH4": 1.0,
    "NO3": 1.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9784, 59.334] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 30,
    "stn_id": "GAK4I",
    "water_depth": 194,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0506",
    "depth": 20.0,
    "PO4": 0.62,
    "SiOH4": 10.19,
    "NO3_NO2": 4.36,
    "NO2": 0.21,
    "NH4": 1.15,
    "NO3": 4.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9784, 59.334] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 30,
    "stn_id": "GAK4I",
    "water_depth": 194,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0506",
    "depth": 30.0,
    "PO4": 0.78,
    "SiOH4": 14.99,
    "NO3_NO2": 10.59,
    "NO2": 0.14,
    "NH4": 0.99,
    "NO3": 10.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9784, 59.334] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 30,
    "stn_id": "GAK4I",
    "water_depth": 194,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0506",
    "depth": 40.0,
    "PO4": 0.8,
    "SiOH4": 11.99,
    "NO3_NO2": 8.92,
    "NO2": 0.11,
    "NH4": 0.88,
    "NO3": 8.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9784, 59.334] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 30,
    "stn_id": "GAK4I",
    "water_depth": 194,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0506",
    "depth": 50.0,
    "PO4": 1.08,
    "SiOH4": 20.98,
    "NO3_NO2": 14.13,
    "NO2": 0.15,
    "NH4": 1.03,
    "NO3": 13.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9784, 59.334] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 30,
    "stn_id": "GAK4I",
    "water_depth": 194,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0506",
    "depth": 75.0,
    "PO4": 0.86,
    "SiOH4": 13.19,
    "NO3_NO2": 9.13,
    "NO2": 0.12,
    "NH4": 0.98,
    "NO3": 9.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9784, 59.334] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 30,
    "stn_id": "GAK4I",
    "water_depth": 194,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0506",
    "depth": 100.0,
    "PO4": 0.87,
    "SiOH4": 13.79,
    "NO3_NO2": 9.78,
    "NO2": 0.17,
    "NH4": 1.01,
    "NO3": 9.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9784, 59.334] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 30,
    "stn_id": "GAK4I",
    "water_depth": 194,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "0506",
    "depth": 190.0,
    "PO4": 2.09,
    "SiOH4": 43.76,
    "NO3_NO2": 25.35,
    "NO2": 0.15,
    "NH4": 1.12,
    "NO3": 25.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.449] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 31,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1534",
    "depth": 0.0,
    "PO4": 0.16,
    "SiOH4": 1.95,
    "NO3_NO2": 0.35,
    "NO2": 0.1,
    "NH4": 0.72,
    "NO3": 0.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.449] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 31,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1534",
    "depth": 10.0,
    "PO4": 0.26,
    "SiOH4": 7.49,
    "NO3_NO2": 0.7,
    "NO2": 0.17,
    "NH4": 0.85,
    "NO3": 0.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.449] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 31,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1534",
    "depth": 20.0,
    "PO4": 0.4,
    "SiOH4": 12.44,
    "NO3_NO2": 5.25,
    "NO2": 0.24,
    "NH4": 0.86,
    "NO3": 5.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.449] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 31,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1534",
    "depth": 30.0,
    "PO4": 0.68,
    "SiOH4": 14.99,
    "NO3_NO2": 10.38,
    "NO2": 0.14,
    "NH4": 0.7,
    "NO3": 10.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.449] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 31,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1534",
    "depth": 40.0,
    "PO4": 0.89,
    "SiOH4": 22.33,
    "NO3_NO2": 14.57,
    "NO2": 0.15,
    "NH4": 0.66,
    "NO3": 14.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.449] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 31,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1534",
    "depth": 50.0,
    "PO4": 0.58,
    "SiOH4": 23.68,
    "NO3_NO2": 15.0,
    "NO2": 0.16,
    "NH4": 0.63,
    "NO3": 14.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.449] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 31,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1534",
    "depth": 75.0,
    "PO4": 0.52,
    "SiOH4": 22.03,
    "NO3_NO2": 14.55,
    "NO2": 0.16,
    "NH4": 0.6,
    "NO3": 14.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.449] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 31,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1534",
    "depth": 125.0,
    "PO4": 0.27,
    "SiOH4": 20.98,
    "NO3_NO2": 12.73,
    "NO2": 0.09,
    "NH4": 0.42,
    "NO3": 12.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.449] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 31,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1534",
    "depth": 177.0,
    "PO4": 0.52,
    "SiOH4": 40.31,
    "NO3_NO2": 20.76,
    "NO2": 0.17,
    "NH4": 0.74,
    "NO3": 20.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.5159] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 33,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1638",
    "depth": 0.0,
    "PO4": 0.78,
    "SiOH4": 2.08,
    "NO3_NO2": 0.23,
    "NO2": 0.21,
    "NH4": 1.24,
    "NO3": 0.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.5159] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 33,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1638",
    "depth": 10.0,
    "PO4": 1.23,
    "SiOH4": 7.61,
    "NO3_NO2": 5.11,
    "NO2": 0.26,
    "NH4": 2.5,
    "NO3": 4.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.5159] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 33,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1638",
    "depth": 20.0,
    "PO4": 1.5,
    "SiOH4": 14.53,
    "NO3_NO2": 10.11,
    "NO2": 0.18,
    "NH4": 1.31,
    "NO3": 9.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.5159] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 33,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1638",
    "depth": 30.0,
    "PO4": 1.32,
    "SiOH4": 8.3,
    "NO3_NO2": 11.78,
    "NO2": 0.1,
    "NH4": 0.84,
    "NO3": 11.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.5159] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 33,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1638",
    "depth": 40.0,
    "PO4": 1.65,
    "SiOH4": 17.99,
    "NO3_NO2": 15.4,
    "NO2": 0.13,
    "NH4": 1.26,
    "NO3": 15.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.5159] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 33,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1638",
    "depth": 50.0,
    "PO4": 1.65,
    "SiOH4": 18.69,
    "NO3_NO2": 15.8,
    "NO2": 0.14,
    "NH4": 1.15,
    "NO3": 15.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.5159] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 33,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1638",
    "depth": 75.0,
    "PO4": 1.69,
    "SiOH4": 17.99,
    "NO3_NO2": 14.94,
    "NO2": 0.13,
    "NH4": 1.14,
    "NO3": 14.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.5159] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 33,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1638",
    "depth": 100.0,
    "PO4": 1.8,
    "SiOH4": 21.45,
    "NO3_NO2": 18.28,
    "NO2": 0.15,
    "NH4": 1.22,
    "NO3": 18.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.5159] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 33,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1638",
    "depth": 125.0,
    "PO4": 1.87,
    "SiOH4": 26.99,
    "NO3_NO2": 21.09,
    "NO2": 0.13,
    "NH4": 1.18,
    "NO3": 20.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.5159] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 33,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1638",
    "depth": 168.0,
    "PO4": 2.36,
    "SiOH4": 39.45,
    "NO3_NO2": 27.93,
    "NO2": 0.15,
    "NH4": 1.3,
    "NO3": 27.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.5826] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 35,
    "stn_id": "CF11",
    "water_depth": 175,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1739",
    "depth": 0.0,
    "PO4": 0.62,
    "SiOH4": 2.08,
    "NO3_NO2": 0.34,
    "NO2": 0.11,
    "NH4": 1.16,
    "NO3": 0.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.5826] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 35,
    "stn_id": "CF11",
    "water_depth": 175,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1739",
    "depth": 10.0,
    "PO4": 0.69,
    "SiOH4": 4.15,
    "NO3_NO2": 0.75,
    "NO2": 0.12,
    "NH4": 1.37,
    "NO3": 0.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.5826] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 35,
    "stn_id": "CF11",
    "water_depth": 175,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1739",
    "depth": 20.0,
    "PO4": 0.99,
    "SiOH4": 8.3,
    "NO3_NO2": 5.63,
    "NO2": 0.2,
    "NH4": 1.52,
    "NO3": 5.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.5826] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 35,
    "stn_id": "CF11",
    "water_depth": 175,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1739",
    "depth": 30.0,
    "PO4": 1.43,
    "SiOH4": 15.22,
    "NO3_NO2": 13.91,
    "NO2": 0.12,
    "NH4": 1.19,
    "NO3": 13.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.5826] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 35,
    "stn_id": "CF11",
    "water_depth": 175,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1739",
    "depth": 40.0,
    "PO4": 1.54,
    "SiOH4": 18.69,
    "NO3_NO2": 15.8,
    "NO2": 0.11,
    "NH4": 1.34,
    "NO3": 15.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.5826] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 35,
    "stn_id": "CF11",
    "water_depth": 175,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1739",
    "depth": 50.0,
    "PO4": 1.5,
    "SiOH4": 17.99,
    "NO3_NO2": 14.65,
    "NO2": 0.11,
    "NH4": 1.2,
    "NO3": 14.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.5826] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 35,
    "stn_id": "CF11",
    "water_depth": 175,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1739",
    "depth": 75.0,
    "PO4": 0.99,
    "SiOH4": 7.61,
    "NO3_NO2": 7.87,
    "NO2": 0.12,
    "NH4": 1.02,
    "NO3": 7.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.5826] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 35,
    "stn_id": "CF11",
    "water_depth": 175,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1739",
    "depth": 100.0,
    "PO4": 1.59,
    "SiOH4": 20.07,
    "NO3_NO2": 15.63,
    "NO2": 0.12,
    "NH4": 1.27,
    "NO3": 15.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.5826] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 35,
    "stn_id": "CF11",
    "water_depth": 175,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1739",
    "depth": 125.0,
    "PO4": 1.61,
    "SiOH4": 22.84,
    "NO3_NO2": 17.7,
    "NO2": 0.11,
    "NH4": 1.16,
    "NO3": 17.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.5826] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 35,
    "stn_id": "CF11",
    "water_depth": 175,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1739",
    "depth": 170.0,
    "PO4": 2.42,
    "SiOH4": 40.83,
    "NO3_NO2": 30.34,
    "NO2": 0.13,
    "NH4": 1.25,
    "NO3": 30.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8687, 59.6498] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 37,
    "stn_id": "CF9",
    "water_depth": 176,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1841",
    "depth": 0.0,
    "PO4": 0.25,
    "SiOH4": 1.4,
    "NO3_NO2": 0.75,
    "NO2": 0.07,
    "NH4": 0.81,
    "NO3": 0.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8687, 59.6498] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 37,
    "stn_id": "CF9",
    "water_depth": 176,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1841",
    "depth": 10.0,
    "PO4": 0.81,
    "SiOH4": 4.83,
    "NO3_NO2": 2.78,
    "NO2": 0.19,
    "NH4": 3.24,
    "NO3": 2.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8687, 59.6498] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 37,
    "stn_id": "CF9",
    "water_depth": 176,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1841",
    "depth": 30.0,
    "PO4": 1.17,
    "SiOH4": 16.43,
    "NO3_NO2": 10.64,
    "NO2": 0.2,
    "NH4": 1.61,
    "NO3": 10.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8687, 59.6498] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 37,
    "stn_id": "CF9",
    "water_depth": 176,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1841",
    "depth": 40.0,
    "PO4": 0.78,
    "SiOH4": 7.63,
    "NO3_NO2": 6.83,
    "NO2": 0.07,
    "NH4": 0.69,
    "NO3": 6.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8687, 59.6498] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 37,
    "stn_id": "CF9",
    "water_depth": 176,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1841",
    "depth": 75.0,
    "PO4": 1.2,
    "SiOH4": 19.23,
    "NO3_NO2": 12.38,
    "NO2": 0.12,
    "NH4": 1.1,
    "NO3": 12.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8687, 59.6498] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 37,
    "stn_id": "CF9",
    "water_depth": 176,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1841",
    "depth": 100.0,
    "PO4": 1.25,
    "SiOH4": 24.7,
    "NO3_NO2": 13.19,
    "NO2": 0.11,
    "NH4": 1.1,
    "NO3": 13.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8687, 59.6498] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 37,
    "stn_id": "CF9",
    "water_depth": 176,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1841",
    "depth": 125.0,
    "PO4": 1.21,
    "SiOH4": 19.98,
    "NO3_NO2": 13.36,
    "NO2": 0.1,
    "NH4": 1.12,
    "NO3": 13.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8687, 59.6498] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 37,
    "stn_id": "CF9",
    "water_depth": 176,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1841",
    "depth": 170.0,
    "PO4": 1.75,
    "SiOH4": 30.22,
    "NO3_NO2": 21.4,
    "NO2": 0.09,
    "NH4": 1.25,
    "NO3": 21.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8695, 59.7153] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 39,
    "stn_id": "CF7",
    "water_depth": 180,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1944",
    "depth": 0.0,
    "PO4": 0.29,
    "SiOH4": 1.68,
    "NO3_NO2": 1.04,
    "NO2": 0.07,
    "NH4": 1.04,
    "NO3": 0.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8695, 59.7153] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 39,
    "stn_id": "CF7",
    "water_depth": 180,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1944",
    "depth": 10.0,
    "PO4": 0.53,
    "SiOH4": 3.76,
    "NO3_NO2": 0.98,
    "NO2": 0.1,
    "NH4": 1.23,
    "NO3": 0.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8695, 59.7153] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 39,
    "stn_id": "CF7",
    "water_depth": 180,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1944",
    "depth": 20.0,
    "PO4": 0.56,
    "SiOH4": 5.84,
    "NO3_NO2": 1.97,
    "NO2": 0.14,
    "NH4": 1.36,
    "NO3": 1.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8695, 59.7153] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 39,
    "stn_id": "CF7",
    "water_depth": 180,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1944",
    "depth": 30.0,
    "PO4": 0.9,
    "SiOH4": 9.95,
    "NO3_NO2": 6.42,
    "NO2": 0.19,
    "NH4": 1.93,
    "NO3": 6.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8695, 59.7153] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 39,
    "stn_id": "CF7",
    "water_depth": 180,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1944",
    "depth": 40.0,
    "PO4": 1.18,
    "SiOH4": 16.11,
    "NO3_NO2": 12.15,
    "NO2": 0.14,
    "NH4": 1.15,
    "NO3": 12.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8695, 59.7153] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 39,
    "stn_id": "CF7",
    "water_depth": 180,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1944",
    "depth": 50.0,
    "PO4": 1.26,
    "SiOH4": 18.87,
    "NO3_NO2": 12.96,
    "NO2": 0.11,
    "NH4": 1.17,
    "NO3": 12.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8695, 59.7153] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 39,
    "stn_id": "CF7",
    "water_depth": 180,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1944",
    "depth": 75.0,
    "PO4": 1.3,
    "SiOH4": 18.9,
    "NO3_NO2": 12.32,
    "NO2": 0.17,
    "NH4": 1.36,
    "NO3": 12.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8695, 59.7153] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 39,
    "stn_id": "CF7",
    "water_depth": 180,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1944",
    "depth": 100.0,
    "PO4": 1.2,
    "SiOH4": 12.82,
    "NO3_NO2": 9.83,
    "NO2": 0.17,
    "NH4": 1.22,
    "NO3": 9.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8695, 59.7153] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 39,
    "stn_id": "CF7",
    "water_depth": 180,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1944",
    "depth": 125.0,
    "PO4": 1.08,
    "SiOH4": 13.53,
    "NO3_NO2": 9.6,
    "NO2": 0.05,
    "NH4": 1.15,
    "NO3": 9.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8695, 59.7153] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 39,
    "stn_id": "CF7",
    "water_depth": 180,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "1944",
    "depth": 170.0,
    "PO4": 2.3,
    "SiOH4": 50.3,
    "NO3_NO2": 29.09,
    "NO2": 0.13,
    "NH4": 1.37,
    "NO3": 28.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.7833] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 41,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "2049",
    "depth": 0.0,
    "PO4": 0.32,
    "SiOH4": 2.1,
    "NO3_NO2": 0.18,
    "NO2": 0.11,
    "NH4": 0.58,
    "NO3": 0.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.7833] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 41,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "2049",
    "depth": 10.0,
    "PO4": 0.18,
    "SiOH4": 2.25,
    "NO3_NO2": 0.17,
    "NO2": 0.12,
    "NH4": 0.58,
    "NO3": 0.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.7833] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 41,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "2049",
    "depth": 20.0,
    "PO4": 0.12,
    "SiOH4": 2.4,
    "NO3_NO2": 0.23,
    "NO2": 0.12,
    "NH4": 0.63,
    "NO3": 0.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.7833] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 41,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "2049",
    "depth": 30.0,
    "PO4": 0.24,
    "SiOH4": 4.95,
    "NO3_NO2": 2.68,
    "NO2": 0.25,
    "NH4": 1.31,
    "NO3": 2.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.7833] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 41,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "2049",
    "depth": 40.0,
    "PO4": 0.73,
    "SiOH4": 12.29,
    "NO3_NO2": 8.61,
    "NO2": 0.36,
    "NH4": 1.0,
    "NO3": 8.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.7833] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 41,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "2049",
    "depth": 50.0,
    "PO4": 0.63,
    "SiOH4": 14.84,
    "NO3_NO2": 10.55,
    "NO2": 0.18,
    "NH4": 0.74,
    "NO3": 10.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.7833] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 41,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "2049",
    "depth": 75.0,
    "PO4": 1.0,
    "SiOH4": 19.78,
    "NO3_NO2": 12.5,
    "NO2": 0.23,
    "NH4": 0.7,
    "NO3": 12.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.7833] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 41,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "2049",
    "depth": 100.0,
    "PO4": 1.14,
    "SiOH4": 22.33,
    "NO3_NO2": 14.15,
    "NO2": 0.18,
    "NH4": 0.63,
    "NO3": 13.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.7833] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 41,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "2049",
    "depth": 125.0,
    "PO4": 0.9,
    "SiOH4": 23.68,
    "NO3_NO2": 14.72,
    "NO2": 0.15,
    "NH4": 0.66,
    "NO3": 14.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.7833] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 41,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "2049",
    "depth": 170.0,
    "PO4": 1.78,
    "SiOH4": 51.4,
    "NO3_NO2": 29.05,
    "NO2": 0.18,
    "NH4": 0.54,
    "NO3": 28.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8653, 59.8498] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 44,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "2157",
    "depth": 0.0,
    "PO4": 0.24,
    "SiOH4": 2.31,
    "NO3_NO2": 0.14,
    "NO2": 0.14,
    "NH4": 0.94,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8653, 59.8498] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 44,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "2157",
    "depth": 10.0,
    "PO4": 0.2,
    "SiOH4": 2.22,
    "NO3_NO2": 0.29,
    "NO2": 0.1,
    "NH4": 0.83,
    "NO3": 0.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8653, 59.8498] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 44,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "2157",
    "depth": 20.0,
    "PO4": 0.37,
    "SiOH4": 2.13,
    "NO3_NO2": 0.22,
    "NO2": 0.14,
    "NH4": 0.95,
    "NO3": 0.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8653, 59.8498] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 44,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "2157",
    "depth": 30.0,
    "PO4": 0.26,
    "SiOH4": 3.24,
    "NO3_NO2": 2.03,
    "NO2": 0.17,
    "NH4": 1.0,
    "NO3": 1.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8653, 59.8498] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 44,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "2157",
    "depth": 40.0,
    "PO4": null,
    "SiOH4": 15.73,
    "NO3_NO2": 10.21,
    "NO2": 0.32,
    "NH4": 1.04,
    "NO3": 9.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8653, 59.8498] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 44,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "2157",
    "depth": 50.0,
    "PO4": 0.5,
    "SiOH4": 14.45,
    "NO3_NO2": 9.27,
    "NO2": 0.18,
    "NH4": 1.03,
    "NO3": 9.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8653, 59.8498] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 44,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "2157",
    "depth": 75.0,
    "PO4": 0.94,
    "SiOH4": 19.75,
    "NO3_NO2": 11.8,
    "NO2": 0.21,
    "NH4": 1.05,
    "NO3": 11.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8653, 59.8498] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 44,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "2157",
    "depth": 100.0,
    "PO4": 0.96,
    "SiOH4": 22.66,
    "NO3_NO2": 12.82,
    "NO2": 0.16,
    "NH4": 0.98,
    "NO3": 12.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8653, 59.8498] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 44,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "2157",
    "depth": 125.0,
    "PO4": 1.29,
    "SiOH4": 30.36,
    "NO3_NO2": 16.73,
    "NO2": 0.19,
    "NH4": 1.05,
    "NO3": 16.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8653, 59.8498] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 44,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "2157",
    "depth": 164.0,
    "PO4": 1.83,
    "SiOH4": 44.06,
    "NO3_NO2": 23.17,
    "NO2": 0.19,
    "NH4": 1.05,
    "NO3": 22.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8646, 59.9093] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 46,
    "stn_id": "CF1",
    "water_depth": 82,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "2247",
    "depth": 0.0,
    "PO4": 0.26,
    "SiOH4": 1.64,
    "NO3_NO2": 0.27,
    "NO2": 0.1,
    "NH4": 0.87,
    "NO3": 0.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8646, 59.9093] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 46,
    "stn_id": "CF1",
    "water_depth": 82,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "2247",
    "depth": 10.0,
    "PO4": 0.34,
    "SiOH4": 2.74,
    "NO3_NO2": 0.55,
    "NO2": 0.14,
    "NH4": 1.32,
    "NO3": 0.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8646, 59.9093] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 46,
    "stn_id": "CF1",
    "water_depth": 82,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "2247",
    "depth": 20.0,
    "PO4": 0.5,
    "SiOH4": 4.93,
    "NO3_NO2": 2.21,
    "NO2": 0.2,
    "NH4": 2.14,
    "NO3": 2.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8646, 59.9093] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 46,
    "stn_id": "CF1",
    "water_depth": 82,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "2247",
    "depth": 30.0,
    "PO4": 0.58,
    "SiOH4": 6.58,
    "NO3_NO2": 4.53,
    "NO2": 0.2,
    "NH4": 1.78,
    "NO3": 4.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8646, 59.9093] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 46,
    "stn_id": "CF1",
    "water_depth": 82,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "2247",
    "depth": 40.0,
    "PO4": 0.88,
    "SiOH4": 9.32,
    "NO3_NO2": 7.4,
    "NO2": 0.23,
    "NH4": 1.67,
    "NO3": 7.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8646, 59.9093] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 46,
    "stn_id": "CF1",
    "water_depth": 82,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "2247",
    "depth": 50.0,
    "PO4": 0.58,
    "SiOH4": 10.96,
    "NO3_NO2": 8.51,
    "NO2": 0.2,
    "NH4": 0.98,
    "NO3": 8.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8646, 59.9093] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 46,
    "stn_id": "CF1",
    "water_depth": 82,
    "month_gmt": "7",
    "day_gmt": "13",
    "time_gmt": "2247",
    "depth": 80.0,
    "PO4": 1.22,
    "SiOH4": 20.82,
    "NO3_NO2": 14.45,
    "NO2": 0.16,
    "NH4": 1.02,
    "NO3": 14.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3345, 59.9239] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 47,
    "stn_id": "PWSW2",
    "water_depth": 94,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1632",
    "depth": 0.0,
    "PO4": 0.32,
    "SiOH4": 4.93,
    "NO3_NO2": 1.36,
    "NO2": 0.16,
    "NH4": 0.97,
    "NO3": 1.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3345, 59.9239] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 47,
    "stn_id": "PWSW2",
    "water_depth": 94,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1632",
    "depth": 10.0,
    "PO4": 0.54,
    "SiOH4": 7.67,
    "NO3_NO2": 4.6,
    "NO2": 0.21,
    "NH4": 1.14,
    "NO3": 4.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3345, 59.9239] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 47,
    "stn_id": "PWSW2",
    "water_depth": 94,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1632",
    "depth": 20.0,
    "PO4": 0.66,
    "SiOH4": 10.41,
    "NO3_NO2": 6.55,
    "NO2": 0.24,
    "NH4": 1.28,
    "NO3": 6.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3345, 59.9239] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 47,
    "stn_id": "PWSW2",
    "water_depth": 94,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1632",
    "depth": 30.0,
    "PO4": 0.87,
    "SiOH4": 15.34,
    "NO3_NO2": 9.98,
    "NO2": 0.28,
    "NH4": 1.3,
    "NO3": 9.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3345, 59.9239] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 47,
    "stn_id": "PWSW2",
    "water_depth": 94,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1632",
    "depth": 40.0,
    "PO4": 1.11,
    "SiOH4": 19.18,
    "NO3_NO2": 13.87,
    "NO2": 0.26,
    "NH4": 1.07,
    "NO3": 13.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3345, 59.9239] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 47,
    "stn_id": "PWSW2",
    "water_depth": 94,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1632",
    "depth": 50.0,
    "PO4": 1.11,
    "SiOH4": 16.44,
    "NO3_NO2": 12.66,
    "NO2": 0.19,
    "NH4": 1.02,
    "NO3": 12.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3345, 59.9239] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 47,
    "stn_id": "PWSW2",
    "water_depth": 94,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1632",
    "depth": 91.0,
    "PO4": 1.28,
    "SiOH4": 21.37,
    "NO3_NO2": 15.07,
    "NO2": 0.21,
    "NH4": 1.04,
    "NO3": 14.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3324, 59.8747] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 48,
    "stn_id": "PWSW3",
    "water_depth": 74,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1701",
    "depth": 0.0,
    "PO4": 0.47,
    "SiOH4": 6.58,
    "NO3_NO2": 3.28,
    "NO2": 0.21,
    "NH4": 1.07,
    "NO3": 3.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3324, 59.8747] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 48,
    "stn_id": "PWSW3",
    "water_depth": 74,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1701",
    "depth": 10.0,
    "PO4": 0.59,
    "SiOH4": 9.32,
    "NO3_NO2": 5.78,
    "NO2": 0.24,
    "NH4": 1.18,
    "NO3": 5.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3324, 59.8747] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 48,
    "stn_id": "PWSW3",
    "water_depth": 74,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1701",
    "depth": 20.0,
    "PO4": 0.76,
    "SiOH4": 12.6,
    "NO3_NO2": 8.47,
    "NO2": 0.28,
    "NH4": 1.41,
    "NO3": 8.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3324, 59.8747] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 48,
    "stn_id": "PWSW3",
    "water_depth": 74,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1701",
    "depth": 30.0,
    "PO4": 0.8,
    "SiOH4": 13.7,
    "NO3_NO2": 9.02,
    "NO2": 0.3,
    "NH4": 1.25,
    "NO3": 8.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3324, 59.8747] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 48,
    "stn_id": "PWSW3",
    "water_depth": 74,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1701",
    "depth": 40.0,
    "PO4": 0.93,
    "SiOH4": 14.25,
    "NO3_NO2": 10.59,
    "NO2": 0.27,
    "NH4": 1.15,
    "NO3": 10.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3324, 59.8747] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 48,
    "stn_id": "PWSW3",
    "water_depth": 74,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1701",
    "depth": 50.0,
    "PO4": 1.02,
    "SiOH4": 16.44,
    "NO3_NO2": 12.54,
    "NO2": 0.3,
    "NH4": 1.15,
    "NO3": 12.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3324, 59.8747] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 48,
    "stn_id": "PWSW3",
    "water_depth": 74,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1701",
    "depth": 70.0,
    "PO4": 1.21,
    "SiOH4": 24.66,
    "NO3_NO2": 16.43,
    "NO2": 0.35,
    "NH4": 1.25,
    "NO3": 16.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3313, 59.825] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 49,
    "stn_id": "PWSW4",
    "water_depth": 119,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1730",
    "depth": 0.0,
    "PO4": 0.41,
    "SiOH4": 6.58,
    "NO3_NO2": 0.22,
    "NO2": 0.16,
    "NH4": 1.17,
    "NO3": 0.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3313, 59.825] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 49,
    "stn_id": "PWSW4",
    "water_depth": 119,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1730",
    "depth": 10.0,
    "PO4": 0.64,
    "SiOH4": 9.86,
    "NO3_NO2": 2.3,
    "NO2": 0.22,
    "NH4": 1.3,
    "NO3": 2.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3313, 59.825] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 49,
    "stn_id": "PWSW4",
    "water_depth": 119,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1730",
    "depth": 20.0,
    "PO4": 0.53,
    "SiOH4": 9.32,
    "NO3_NO2": 1.23,
    "NO2": 0.18,
    "NH4": 1.31,
    "NO3": 1.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3313, 59.825] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 49,
    "stn_id": "PWSW4",
    "water_depth": 119,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1730",
    "depth": 30.0,
    "PO4": 0.56,
    "SiOH4": 7.12,
    "NO3_NO2": 2.47,
    "NO2": 0.17,
    "NH4": 1.13,
    "NO3": 2.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3313, 59.825] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 49,
    "stn_id": "PWSW4",
    "water_depth": 119,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1730",
    "depth": 40.0,
    "PO4": 1.09,
    "SiOH4": 15.89,
    "NO3_NO2": 10.49,
    "NO2": 0.28,
    "NH4": 1.21,
    "NO3": 10.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3313, 59.825] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 49,
    "stn_id": "PWSW4",
    "water_depth": 119,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1730",
    "depth": 50.0,
    "PO4": 1.0,
    "SiOH4": 15.34,
    "NO3_NO2": 10.52,
    "NO2": 0.18,
    "NH4": 1.16,
    "NO3": 10.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3313, 59.825] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 49,
    "stn_id": "PWSW4",
    "water_depth": 119,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1730",
    "depth": 75.0,
    "PO4": 1.13,
    "SiOH4": 21.92,
    "NO3_NO2": 14.09,
    "NO2": 0.24,
    "NH4": 1.31,
    "NO3": 13.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3313, 59.825] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 49,
    "stn_id": "PWSW4",
    "water_depth": 119,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1730",
    "depth": 116.0,
    "PO4": null,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": null,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3321, 59.775] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 50,
    "stn_id": "PWSW5",
    "water_depth": 120,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1803",
    "depth": 0.0,
    "PO4": 0.13,
    "SiOH4": 2.74,
    "NO3_NO2": 0.52,
    "NO2": 0.05,
    "NH4": 0.69,
    "NO3": 0.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3321, 59.775] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 50,
    "stn_id": "PWSW5",
    "water_depth": 120,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1803",
    "depth": 10.0,
    "PO4": 0.25,
    "SiOH4": 4.93,
    "NO3_NO2": 1.95,
    "NO2": 0.11,
    "NH4": 0.96,
    "NO3": 1.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3321, 59.775] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 50,
    "stn_id": "PWSW5",
    "water_depth": 120,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1803",
    "depth": 20.0,
    "PO4": 0.52,
    "SiOH4": 9.32,
    "NO3_NO2": 2.45,
    "NO2": 0.18,
    "NH4": 1.37,
    "NO3": 2.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3321, 59.775] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 50,
    "stn_id": "PWSW5",
    "water_depth": 120,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1803",
    "depth": 30.0,
    "PO4": 0.49,
    "SiOH4": 9.32,
    "NO3_NO2": 1.74,
    "NO2": 0.16,
    "NH4": 1.67,
    "NO3": 1.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3321, 59.775] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 50,
    "stn_id": "PWSW5",
    "water_depth": 120,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1803",
    "depth": 40.0,
    "PO4": 0.68,
    "SiOH4": 10.96,
    "NO3_NO2": 3.92,
    "NO2": 0.21,
    "NH4": 1.53,
    "NO3": 3.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3321, 59.775] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 50,
    "stn_id": "PWSW5",
    "water_depth": 120,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1803",
    "depth": 50.0,
    "PO4": 0.84,
    "SiOH4": 12.6,
    "NO3_NO2": 7.02,
    "NO2": 0.23,
    "NH4": 1.44,
    "NO3": 6.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3321, 59.775] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 50,
    "stn_id": "PWSW5",
    "water_depth": 120,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1803",
    "depth": 75.0,
    "PO4": 1.18,
    "SiOH4": 19.18,
    "NO3_NO2": 12.9,
    "NO2": 0.12,
    "NH4": 1.26,
    "NO3": 12.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3321, 59.775] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 50,
    "stn_id": "PWSW5",
    "water_depth": 120,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1803",
    "depth": 118.0,
    "PO4": 1.52,
    "SiOH4": 27.95,
    "NO3_NO2": 17.58,
    "NO2": 0.18,
    "NH4": 1.23,
    "NO3": 17.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3329, 59.7082] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 51,
    "stn_id": "PWSW6",
    "water_depth": 171,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1839",
    "depth": 0.0,
    "PO4": 0.38,
    "SiOH4": 6.58,
    "NO3_NO2": 0.26,
    "NO2": 0.11,
    "NH4": 1.16,
    "NO3": 0.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3329, 59.7082] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 51,
    "stn_id": "PWSW6",
    "water_depth": 171,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1839",
    "depth": 10.0,
    "PO4": 0.35,
    "SiOH4": 6.03,
    "NO3_NO2": 1.13,
    "NO2": 0.1,
    "NH4": 1.02,
    "NO3": 1.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3329, 59.7082] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 51,
    "stn_id": "PWSW6",
    "water_depth": 171,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1839",
    "depth": 20.0,
    "PO4": 0.57,
    "SiOH4": 8.77,
    "NO3_NO2": 2.47,
    "NO2": 0.16,
    "NH4": 1.15,
    "NO3": 2.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3329, 59.7082] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 51,
    "stn_id": "PWSW6",
    "water_depth": 171,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1839",
    "depth": 30.0,
    "PO4": 0.76,
    "SiOH4": 10.96,
    "NO3_NO2": 3.62,
    "NO2": 0.22,
    "NH4": 1.34,
    "NO3": 3.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3329, 59.7082] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 51,
    "stn_id": "PWSW6",
    "water_depth": 171,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1839",
    "depth": 40.0,
    "PO4": 0.87,
    "SiOH4": 10.96,
    "NO3_NO2": 6.53,
    "NO2": 0.2,
    "NH4": 1.18,
    "NO3": 6.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3329, 59.7082] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 51,
    "stn_id": "PWSW6",
    "water_depth": 171,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1839",
    "depth": 50.0,
    "PO4": 0.93,
    "SiOH4": 12.6,
    "NO3_NO2": 7.13,
    "NO2": 0.24,
    "NH4": 1.2,
    "NO3": 6.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3329, 59.7082] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 51,
    "stn_id": "PWSW6",
    "water_depth": 171,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1839",
    "depth": 100.0,
    "PO4": 1.19,
    "SiOH4": 13.15,
    "NO3_NO2": 9.58,
    "NO2": 0.17,
    "NH4": 1.08,
    "NO3": 9.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3329, 59.7082] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 51,
    "stn_id": "PWSW6",
    "water_depth": 171,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1839",
    "depth": 165.0,
    "PO4": 1.7,
    "SiOH4": 27.4,
    "NO3_NO2": 19.27,
    "NO2": 0.17,
    "NH4": 1.23,
    "NO3": 19.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3341, 59.6237] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 52,
    "stn_id": "PWSW7",
    "water_depth": 188,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1925",
    "depth": 0.0,
    "PO4": 0.54,
    "SiOH4": 8.16,
    "NO3_NO2": 0.23,
    "NO2": 0.07,
    "NH4": 1.42,
    "NO3": 0.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3341, 59.6237] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 52,
    "stn_id": "PWSW7",
    "water_depth": 188,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1925",
    "depth": 10.0,
    "PO4": 0.61,
    "SiOH4": 8.16,
    "NO3_NO2": 0.52,
    "NO2": 0.08,
    "NH4": 1.3,
    "NO3": 0.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3341, 59.6237] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 52,
    "stn_id": "PWSW7",
    "water_depth": 188,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1925",
    "depth": 20.0,
    "PO4": 0.76,
    "SiOH4": 10.2,
    "NO3_NO2": 2.31,
    "NO2": 0.17,
    "NH4": 1.51,
    "NO3": 2.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3341, 59.6237] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 52,
    "stn_id": "PWSW7",
    "water_depth": 188,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1925",
    "depth": 30.0,
    "PO4": 0.92,
    "SiOH4": 12.24,
    "NO3_NO2": 5.84,
    "NO2": 0.17,
    "NH4": 1.47,
    "NO3": 5.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3341, 59.6237] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 52,
    "stn_id": "PWSW7",
    "water_depth": 188,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1925",
    "depth": 40.0,
    "PO4": 1.0,
    "SiOH4": 14.97,
    "NO3_NO2": 7.4,
    "NO2": 0.22,
    "NH4": 1.48,
    "NO3": 7.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3341, 59.6237] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 52,
    "stn_id": "PWSW7",
    "water_depth": 188,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1925",
    "depth": 50.0,
    "PO4": 1.18,
    "SiOH4": 17.01,
    "NO3_NO2": 11.22,
    "NO2": 0.19,
    "NH4": 1.37,
    "NO3": 11.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3341, 59.6237] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 52,
    "stn_id": "PWSW7",
    "water_depth": 188,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1925",
    "depth": 100.0,
    "PO4": 1.42,
    "SiOH4": 23.13,
    "NO3_NO2": 15.5,
    "NO2": 0.13,
    "NH4": 1.35,
    "NO3": 15.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3341, 59.6237] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 52,
    "stn_id": "PWSW7",
    "water_depth": 188,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "1925",
    "depth": 182.0,
    "PO4": 2.18,
    "SiOH4": 51.02,
    "NO3_NO2": 29.73,
    "NO2": 0.15,
    "NH4": 1.44,
    "NO3": 29.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3362, 59.5335] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 53,
    "stn_id": "CCSW5",
    "water_depth": 194,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "2016",
    "depth": 0.0,
    "PO4": 0.62,
    "SiOH4": 8.16,
    "NO3_NO2": 0.35,
    "NO2": 0.07,
    "NH4": 1.39,
    "NO3": 0.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3362, 59.5335] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 53,
    "stn_id": "CCSW5",
    "water_depth": 194,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "2016",
    "depth": 10.0,
    "PO4": 0.7,
    "SiOH4": 8.84,
    "NO3_NO2": 1.39,
    "NO2": 0.14,
    "NH4": 1.53,
    "NO3": 1.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3362, 59.5335] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 53,
    "stn_id": "CCSW5",
    "water_depth": 194,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "2016",
    "depth": 25.0,
    "PO4": 1.16,
    "SiOH4": 14.97,
    "NO3_NO2": 7.0,
    "NO2": 0.22,
    "NH4": 1.78,
    "NO3": 6.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3362, 59.5335] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 53,
    "stn_id": "CCSW5",
    "water_depth": 194,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "2016",
    "depth": 50.0,
    "PO4": 1.33,
    "SiOH4": 21.77,
    "NO3_NO2": 13.71,
    "NO2": 0.14,
    "NH4": 1.37,
    "NO3": 13.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3362, 59.5335] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 53,
    "stn_id": "CCSW5",
    "water_depth": 194,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "2016",
    "depth": 100.0,
    "PO4": 1.49,
    "SiOH4": 21.77,
    "NO3_NO2": 14.29,
    "NO2": 0.13,
    "NH4": 1.65,
    "NO3": 14.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3362, 59.5335] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 53,
    "stn_id": "CCSW5",
    "water_depth": 194,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "2016",
    "depth": 186.0,
    "PO4": 2.2,
    "SiOH4": 51.7,
    "NO3_NO2": 28.98,
    "NO2": 0.14,
    "NH4": 1.44,
    "NO3": 28.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.249, 59.5867] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 54,
    "stn_id": "CCSW4",
    "water_depth": 179,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "2100",
    "depth": 0.0,
    "PO4": 0.87,
    "SiOH4": 10.2,
    "NO3_NO2": 2.08,
    "NO2": 0.19,
    "NH4": 1.65,
    "NO3": 1.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.249, 59.5867] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 54,
    "stn_id": "CCSW4",
    "water_depth": 179,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "2100",
    "depth": 19.0,
    "PO4": 0.84,
    "SiOH4": 10.2,
    "NO3_NO2": 2.26,
    "NO2": 0.19,
    "NH4": 1.57,
    "NO3": 2.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.1767, 59.6274] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 56,
    "stn_id": "CCSW3",
    "water_depth": 164,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "2205",
    "depth": 0.0,
    "PO4": 0.53,
    "SiOH4": 8.84,
    "NO3_NO2": 0.4,
    "NO2": 0.09,
    "NH4": 1.39,
    "NO3": 0.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.1767, 59.6274] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 56,
    "stn_id": "CCSW3",
    "water_depth": 164,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "2205",
    "depth": 15.0,
    "PO4": 0.89,
    "SiOH4": 12.93,
    "NO3_NO2": 4.4,
    "NO2": 0.22,
    "NH4": 1.57,
    "NO3": 4.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.1767, 59.6274] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 56,
    "stn_id": "CCSW3",
    "water_depth": 164,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "2205",
    "depth": 32.0,
    "PO4": 1.03,
    "SiOH4": 14.29,
    "NO3_NO2": 8.21,
    "NO2": 0.25,
    "NH4": 1.46,
    "NO3": 7.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.1767, 59.6274] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 56,
    "stn_id": "CCSW3",
    "water_depth": 164,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "2205",
    "depth": 50.0,
    "PO4": 1.12,
    "SiOH4": 14.29,
    "NO3_NO2": 9.37,
    "NO2": 0.13,
    "NH4": 1.31,
    "NO3": 9.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.1767, 59.6274] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 56,
    "stn_id": "CCSW3",
    "water_depth": 164,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "2205",
    "depth": 100.0,
    "PO4": 1.44,
    "SiOH4": 22.45,
    "NO3_NO2": 14.86,
    "NO2": 0.15,
    "NH4": 1.4,
    "NO3": 14.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.1767, 59.6274] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 56,
    "stn_id": "CCSW3",
    "water_depth": 164,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "2205",
    "depth": 159.0,
    "PO4": 1.98,
    "SiOH4": 42.18,
    "NO3_NO2": 25.28,
    "NO2": 0.15,
    "NH4": 1.41,
    "NO3": 25.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0862, 59.6685] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 57,
    "stn_id": "CCSW2",
    "water_depth": 51,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "2248",
    "depth": 0.0,
    "PO4": 0.54,
    "SiOH4": 8.84,
    "NO3_NO2": 0.35,
    "NO2": 0.1,
    "NH4": 1.4,
    "NO3": 0.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0862, 59.6685] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 57,
    "stn_id": "CCSW2",
    "water_depth": 51,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "2248",
    "depth": 10.0,
    "PO4": 0.68,
    "SiOH4": 8.16,
    "NO3_NO2": 0.93,
    "NO2": 0.13,
    "NH4": 1.51,
    "NO3": 0.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0862, 59.6685] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 57,
    "stn_id": "CCSW2",
    "water_depth": 51,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "2248",
    "depth": 15.0,
    "PO4": 0.91,
    "SiOH4": 12.24,
    "NO3_NO2": 4.45,
    "NO2": 0.24,
    "NH4": 1.66,
    "NO3": 4.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0862, 59.6685] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 57,
    "stn_id": "CCSW2",
    "water_depth": 51,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "2248",
    "depth": 20.0,
    "PO4": 1.01,
    "SiOH4": 14.29,
    "NO3_NO2": 7.23,
    "NO2": 0.22,
    "NH4": 1.64,
    "NO3": 7.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0862, 59.6685] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 57,
    "stn_id": "CCSW2",
    "water_depth": 51,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "2248",
    "depth": 30.0,
    "PO4": 1.23,
    "SiOH4": 17.69,
    "NO3_NO2": 11.39,
    "NO2": 0.23,
    "NH4": 1.56,
    "NO3": 11.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0862, 59.6685] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 57,
    "stn_id": "CCSW2",
    "water_depth": 51,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "2248",
    "depth": 47.0,
    "PO4": 1.3,
    "SiOH4": 19.05,
    "NO3_NO2": 12.49,
    "NO2": 0.22,
    "NH4": 1.51,
    "NO3": 12.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0016, 59.7172] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 58,
    "stn_id": "CCSW1",
    "water_depth": 25,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "2323",
    "depth": 0.0,
    "PO4": 0.53,
    "SiOH4": 8.16,
    "NO3_NO2": 0.52,
    "NO2": 0.12,
    "NH4": 1.47,
    "NO3": 0.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0016, 59.7172] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 58,
    "stn_id": "CCSW1",
    "water_depth": 25,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "2323",
    "depth": 5.0,
    "PO4": 0.83,
    "SiOH4": 8.84,
    "NO3_NO2": 2.08,
    "NO2": 0.18,
    "NH4": 1.97,
    "NO3": 1.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0016, 59.7172] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 58,
    "stn_id": "CCSW1",
    "water_depth": 25,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "2323",
    "depth": 10.0,
    "PO4": 1.02,
    "SiOH4": 12.24,
    "NO3_NO2": 7.0,
    "NO2": 0.25,
    "NH4": 1.79,
    "NO3": 6.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0016, 59.7172] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 58,
    "stn_id": "CCSW1",
    "water_depth": 25,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "2323",
    "depth": 23.0,
    "PO4": 1.19,
    "SiOH4": 14.97,
    "NO3_NO2": 9.83,
    "NO2": 0.08,
    "NH4": 1.68,
    "NO3": 9.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8842, 59.7429] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 59,
    "stn_id": "CC1",
    "water_depth": 26,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "0000",
    "depth": 0.0,
    "PO4": 0.35,
    "SiOH4": 2.04,
    "NO3_NO2": 0.46,
    "NO2": 0.08,
    "NH4": 1.14,
    "NO3": 0.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8842, 59.7429] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 59,
    "stn_id": "CC1",
    "water_depth": 26,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "0000",
    "depth": 5.0,
    "PO4": 0.38,
    "SiOH4": 2.04,
    "NO3_NO2": 0.4,
    "NO2": 0.1,
    "NH4": 1.29,
    "NO3": 0.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8842, 59.7429] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 59,
    "stn_id": "CC1",
    "water_depth": 26,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "0000",
    "depth": 10.0,
    "PO4": 0.58,
    "SiOH4": 2.04,
    "NO3_NO2": 0.52,
    "NO2": 0.16,
    "NH4": 1.47,
    "NO3": 0.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8842, 59.7429] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 59,
    "stn_id": "CC1",
    "water_depth": 26,
    "month_gmt": "7",
    "day_gmt": "14",
    "time_gmt": "0000",
    "depth": 20.0,
    "PO4": 0.78,
    "SiOH4": 5.44,
    "NO3_NO2": 3.99,
    "NO2": 0.17,
    "NH4": 1.68,
    "NO3": 3.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8853, 59.7114] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 60,
    "stn_id": "CC2",
    "water_depth": 67,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "0023",
    "depth": 0.0,
    "PO4": 0.37,
    "SiOH4": 4.08,
    "NO3_NO2": 0.46,
    "NO2": 0.11,
    "NH4": 1.44,
    "NO3": 0.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8853, 59.7114] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 60,
    "stn_id": "CC2",
    "water_depth": 67,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "0023",
    "depth": 10.0,
    "PO4": 0.71,
    "SiOH4": 5.44,
    "NO3_NO2": 2.37,
    "NO2": 0.21,
    "NH4": 1.68,
    "NO3": 2.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8853, 59.7114] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 60,
    "stn_id": "CC2",
    "water_depth": 67,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "0023",
    "depth": 20.0,
    "PO4": 0.96,
    "SiOH4": 9.52,
    "NO3_NO2": 6.71,
    "NO2": 0.27,
    "NH4": 2.06,
    "NO3": 6.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8853, 59.7114] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 60,
    "stn_id": "CC2",
    "water_depth": 67,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "0023",
    "depth": 30.0,
    "PO4": 1.17,
    "SiOH4": 14.97,
    "NO3_NO2": 11.05,
    "NO2": 0.27,
    "NH4": 1.68,
    "NO3": 10.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8853, 59.7114] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 60,
    "stn_id": "CC2",
    "water_depth": 67,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "0023",
    "depth": 63.0,
    "PO4": 1.03,
    "SiOH4": 16.33,
    "NO3_NO2": 11.57,
    "NO2": 0.21,
    "NH4": 1.34,
    "NO3": 11.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8839, 59.6669] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 61,
    "stn_id": "CC3",
    "water_depth": 72,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "0054",
    "depth": 0.0,
    "PO4": 0.41,
    "SiOH4": 6.8,
    "NO3_NO2": 0.46,
    "NO2": 0.11,
    "NH4": 1.36,
    "NO3": 0.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8839, 59.6669] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 61,
    "stn_id": "CC3",
    "water_depth": 72,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "0054",
    "depth": 10.0,
    "PO4": 0.74,
    "SiOH4": 8.16,
    "NO3_NO2": 3.76,
    "NO2": 0.24,
    "NH4": 1.54,
    "NO3": 3.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8839, 59.6669] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 61,
    "stn_id": "CC3",
    "water_depth": 72,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "0054",
    "depth": 20.0,
    "PO4": 0.65,
    "SiOH4": 7.48,
    "NO3_NO2": 5.15,
    "NO2": 0.18,
    "NH4": 1.36,
    "NO3": 4.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8839, 59.6669] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 61,
    "stn_id": "CC3",
    "water_depth": 72,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "0054",
    "depth": 30.0,
    "PO4": 0.76,
    "SiOH4": 10.2,
    "NO3_NO2": 5.96,
    "NO2": 0.21,
    "NH4": 1.61,
    "NO3": 5.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8839, 59.6669] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 61,
    "stn_id": "CC3",
    "water_depth": 72,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "0054",
    "depth": 70.0,
    "PO4": 1.45,
    "SiOH4": 23.81,
    "NO3_NO2": 15.44,
    "NO2": 0.17,
    "NH4": 1.49,
    "NO3": 15.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8835, 59.6006] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 62,
    "stn_id": "CC4",
    "water_depth": 115,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "0133",
    "depth": 0.0,
    "PO4": 0.56,
    "SiOH4": 7.48,
    "NO3_NO2": 0.58,
    "NO2": 0.17,
    "NH4": 1.57,
    "NO3": 0.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8835, 59.6006] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 62,
    "stn_id": "CC4",
    "water_depth": 115,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "0133",
    "depth": 10.0,
    "PO4": 0.61,
    "SiOH4": 7.48,
    "NO3_NO2": 1.1,
    "NO2": 0.22,
    "NH4": 1.53,
    "NO3": 0.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8835, 59.6006] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 62,
    "stn_id": "CC4",
    "water_depth": 115,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "0133",
    "depth": 50.0,
    "PO4": 1.08,
    "SiOH4": 14.97,
    "NO3_NO2": 10.24,
    "NO2": 0.27,
    "NH4": 1.51,
    "NO3": 9.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8835, 59.6006] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 62,
    "stn_id": "CC4",
    "water_depth": 115,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "0133",
    "depth": 75.0,
    "PO4": 0.63,
    "SiOH4": 6.8,
    "NO3_NO2": 6.71,
    "NO2": 0.08,
    "NH4": 1.07,
    "NO3": 6.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8835, 59.6006] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 62,
    "stn_id": "CC4",
    "water_depth": 115,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "0133",
    "depth": 113.0,
    "PO4": 0.7,
    "SiOH4": 8.16,
    "NO3_NO2": 7.11,
    "NO2": 0.09,
    "NH4": 0.86,
    "NO3": 7.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8813, 59.484] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 63,
    "stn_id": "CC5",
    "water_depth": 115,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "0236",
    "depth": 0.0,
    "PO4": 0.59,
    "SiOH4": 8.7,
    "NO3_NO2": 0.24,
    "NO2": null,
    "NH4": 1.17,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8813, 59.484] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 63,
    "stn_id": "CC5",
    "water_depth": 115,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "0236",
    "depth": 0.0,
    "PO4": 0.68,
    "SiOH4": 8.61,
    "NO3_NO2": 0.3,
    "NO2": 0.3,
    "NH4": 1.66,
    "NO3": 0.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8813, 59.484] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 63,
    "stn_id": "CC5",
    "water_depth": 115,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "0236",
    "depth": 13.0,
    "PO4": 0.77,
    "SiOH4": 10.06,
    "NO3_NO2": 1.15,
    "NO2": 0.4,
    "NH4": 1.7,
    "NO3": 0.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8813, 59.484] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 63,
    "stn_id": "CC5",
    "water_depth": 115,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "0236",
    "depth": 50.0,
    "PO4": 1.35,
    "SiOH4": 17.42,
    "NO3_NO2": 10.27,
    "NO2": 0.43,
    "NH4": 1.43,
    "NO3": 9.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8813, 59.484] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 63,
    "stn_id": "CC5",
    "water_depth": 115,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "0236",
    "depth": 75.0,
    "PO4": 1.18,
    "SiOH4": 15.45,
    "NO3_NO2": 9.48,
    "NO2": 0.22,
    "NH4": 1.12,
    "NO3": 9.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8813, 59.484] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 63,
    "stn_id": "CC5",
    "water_depth": 115,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "0236",
    "depth": 113.0,
    "PO4": 1.59,
    "SiOH4": 25.48,
    "NO3_NO2": 14.34,
    "NO2": 0.32,
    "NH4": 1.14,
    "NO3": 14.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8829, 59.3674] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 64,
    "stn_id": "CC6",
    "water_depth": 178,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "0332",
    "depth": 0.0,
    "PO4": 0.64,
    "SiOH4": 8.84,
    "NO3_NO2": 0.49,
    "NO2": 0.25,
    "NH4": 1.21,
    "NO3": 0.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8829, 59.3674] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 64,
    "stn_id": "CC6",
    "water_depth": 178,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "0332",
    "depth": 25.0,
    "PO4": 1.15,
    "SiOH4": 16.21,
    "NO3_NO2": 8.93,
    "NO2": 0.56,
    "NH4": 1.16,
    "NO3": 8.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8829, 59.3674] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 64,
    "stn_id": "CC6",
    "water_depth": 178,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "0332",
    "depth": 50.0,
    "PO4": 1.23,
    "SiOH4": 16.9,
    "NO3_NO2": 10.33,
    "NO2": 0.31,
    "NH4": 1.16,
    "NO3": 10.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8829, 59.3674] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 64,
    "stn_id": "CC6",
    "water_depth": 178,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "0332",
    "depth": 75.0,
    "PO4": 1.38,
    "SiOH4": 21.6,
    "NO3_NO2": 12.88,
    "NO2": 0.33,
    "NH4": 1.19,
    "NO3": 12.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8829, 59.3674] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 64,
    "stn_id": "CC6",
    "water_depth": 178,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "0332",
    "depth": 100.0,
    "PO4": 1.41,
    "SiOH4": 22.96,
    "NO3_NO2": 13.55,
    "NO2": 0.29,
    "NH4": 1.18,
    "NO3": 13.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8829, 59.3674] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 64,
    "stn_id": "CC6",
    "water_depth": 178,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "0332",
    "depth": 177.0,
    "PO4": 2.43,
    "SiOH4": 44.32,
    "NO3_NO2": 26.86,
    "NO2": 0.24,
    "NH4": 1.88,
    "NO3": 26.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0777, 60.1006] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 65,
    "stn_id": "AHC1",
    "water_depth": 260,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1332",
    "depth": 0.0,
    "PO4": 0.41,
    "SiOH4": 8.35,
    "NO3_NO2": 0.12,
    "NO2": 0.11,
    "NH4": 1.33,
    "NO3": 0.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0777, 60.1006] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 65,
    "stn_id": "AHC1",
    "water_depth": 260,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1332",
    "depth": 25.0,
    "PO4": 0.99,
    "SiOH4": 13.72,
    "NO3_NO2": 5.47,
    "NO2": 0.34,
    "NH4": 1.53,
    "NO3": 5.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0777, 60.1006] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 65,
    "stn_id": "AHC1",
    "water_depth": 260,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1332",
    "depth": 50.0,
    "PO4": 1.42,
    "SiOH4": 21.75,
    "NO3_NO2": 12.21,
    "NO2": 0.23,
    "NH4": 1.22,
    "NO3": 11.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0777, 60.1006] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 65,
    "stn_id": "AHC1",
    "water_depth": 260,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1332",
    "depth": 75.0,
    "PO4": 1.54,
    "SiOH4": 25.11,
    "NO3_NO2": 13.37,
    "NO2": 0.21,
    "NH4": 1.25,
    "NO3": 13.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0777, 60.1006] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 65,
    "stn_id": "AHC1",
    "water_depth": 260,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1332",
    "depth": 100.0,
    "PO4": 1.51,
    "SiOH4": 23.3,
    "NO3_NO2": 13.49,
    "NO2": 0.3,
    "NH4": 1.62,
    "NO3": 13.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0777, 60.1006] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 65,
    "stn_id": "AHC1",
    "water_depth": 260,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1332",
    "depth": 100.0,
    "PO4": 1.5,
    "SiOH4": 23.14,
    "NO3_NO2": 12.64,
    "NO2": null,
    "NH4": 1.17,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0777, 60.1006] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 65,
    "stn_id": "AHC1",
    "water_depth": 260,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1332",
    "depth": 255.0,
    "PO4": 2.44,
    "SiOH4": 45.17,
    "NO3_NO2": 27.04,
    "NO2": 0.31,
    "NH4": 1.37,
    "NO3": 26.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1668, 60.1487] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 66,
    "stn_id": "HCSRW",
    "water_depth": 189,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1416",
    "depth": 0.0,
    "PO4": 0.57,
    "SiOH4": 5.86,
    "NO3_NO2": 1.03,
    "NO2": 0.27,
    "NH4": 1.5,
    "NO3": 0.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1668, 60.1487] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 66,
    "stn_id": "HCSRW",
    "water_depth": 189,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1416",
    "depth": 25.0,
    "PO4": 0.72,
    "SiOH4": 5.89,
    "NO3_NO2": 2.61,
    "NO2": 0.36,
    "NH4": 1.79,
    "NO3": 2.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1668, 60.1487] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 66,
    "stn_id": "HCSRW",
    "water_depth": 189,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1416",
    "depth": 50.0,
    "PO4": 1.03,
    "SiOH4": 12.59,
    "NO3_NO2": 7.54,
    "NO2": 0.27,
    "NH4": 1.42,
    "NO3": 7.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1668, 60.1487] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 66,
    "stn_id": "HCSRW",
    "water_depth": 189,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1416",
    "depth": 75.0,
    "PO4": 1.57,
    "SiOH4": 25.95,
    "NO3_NO2": 13.98,
    "NO2": 0.37,
    "NH4": 1.38,
    "NO3": 13.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1668, 60.1487] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 66,
    "stn_id": "HCSRW",
    "water_depth": 189,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1416",
    "depth": 100.0,
    "PO4": 1.65,
    "SiOH4": 27.31,
    "NO3_NO2": 15.44,
    "NO2": 0.33,
    "NH4": 1.3,
    "NO3": 15.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1668, 60.1487] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 66,
    "stn_id": "HCSRW",
    "water_depth": 189,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1416",
    "depth": 180.0,
    "PO4": 1.78,
    "SiOH4": 32.01,
    "NO3_NO2": 17.81,
    "NO2": 0.28,
    "NH4": 1.3,
    "NO3": 17.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8212, 59.9791] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 67,
    "stn_id": "HCSBS",
    "water_depth": 87,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1555",
    "depth": 0.0,
    "PO4": 0.41,
    "SiOH4": 4.04,
    "NO3_NO2": 0.18,
    "NO2": 0.14,
    "NH4": 1.32,
    "NO3": 0.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8212, 59.9791] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 67,
    "stn_id": "HCSBS",
    "water_depth": 87,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1555",
    "depth": 10.0,
    "PO4": 0.74,
    "SiOH4": 8.74,
    "NO3_NO2": 1.94,
    "NO2": 0.38,
    "NH4": 1.42,
    "NO3": 1.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8212, 59.9791] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 67,
    "stn_id": "HCSBS",
    "water_depth": 87,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1555",
    "depth": 20.0,
    "PO4": 1.08,
    "SiOH4": 14.76,
    "NO3_NO2": 6.68,
    "NO2": 0.43,
    "NH4": 1.55,
    "NO3": 6.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8212, 59.9791] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 67,
    "stn_id": "HCSBS",
    "water_depth": 87,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1555",
    "depth": 30.0,
    "PO4": 1.29,
    "SiOH4": 17.46,
    "NO3_NO2": 10.15,
    "NO2": 0.27,
    "NH4": 1.27,
    "NO3": 9.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8212, 59.9791] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 67,
    "stn_id": "HCSBS",
    "water_depth": 87,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1555",
    "depth": 50.0,
    "PO4": 1.36,
    "SiOH4": 19.49,
    "NO3_NO2": 10.94,
    "NO2": 0.23,
    "NH4": 1.37,
    "NO3": 10.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8212, 59.9791] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 67,
    "stn_id": "HCSBS",
    "water_depth": 87,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1555",
    "depth": 82.0,
    "PO4": 1.44,
    "SiOH4": 21.52,
    "NO3_NO2": 12.64,
    "NO2": 0.25,
    "NH4": 1.46,
    "NO3": 12.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0755, 59.9985] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 68,
    "stn_id": "AHC2",
    "water_depth": 183,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1654",
    "depth": 0.0,
    "PO4": 0.32,
    "SiOH4": 3.55,
    "NO3_NO2": 0.43,
    "NO2": 0.05,
    "NH4": 1.05,
    "NO3": 0.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0755, 59.9985] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 68,
    "stn_id": "AHC2",
    "water_depth": 183,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1654",
    "depth": 25.0,
    "PO4": 1.17,
    "SiOH4": 14.91,
    "NO3_NO2": 8.14,
    "NO2": 0.42,
    "NH4": 1.45,
    "NO3": 7.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0755, 59.9985] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 68,
    "stn_id": "AHC2",
    "water_depth": 183,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1654",
    "depth": 50.0,
    "PO4": 1.09,
    "SiOH4": 14.94,
    "NO3_NO2": 9.72,
    "NO2": 0.15,
    "NH4": 1.21,
    "NO3": 9.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0755, 59.9985] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 68,
    "stn_id": "AHC2",
    "water_depth": 183,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1654",
    "depth": 75.0,
    "PO4": 1.7,
    "SiOH4": 26.97,
    "NO3_NO2": 15.19,
    "NO2": 0.22,
    "NH4": 1.43,
    "NO3": 14.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0755, 59.9985] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 68,
    "stn_id": "AHC2",
    "water_depth": 183,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1654",
    "depth": 100.0,
    "PO4": 1.65,
    "SiOH4": 27.0,
    "NO3_NO2": 15.13,
    "NO2": 0.22,
    "NH4": 1.5,
    "NO3": 14.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0755, 59.9985] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 68,
    "stn_id": "AHC2",
    "water_depth": 183,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1654",
    "depth": 180.0,
    "PO4": 1.78,
    "SiOH4": 29.03,
    "NO3_NO2": 18.11,
    "NO2": 0.16,
    "NH4": 1.49,
    "NO3": 17.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.9002] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 69,
    "stn_id": "AHC3",
    "water_depth": 197,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1746",
    "depth": 0.0,
    "PO4": 0.51,
    "SiOH4": 3.73,
    "NO3_NO2": 0.18,
    "NO2": 0.18,
    "NH4": 1.45,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.9002] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 69,
    "stn_id": "AHC3",
    "water_depth": 197,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1746",
    "depth": 15.0,
    "PO4": 0.9,
    "SiOH4": 10.42,
    "NO3_NO2": 3.95,
    "NO2": 0.42,
    "NH4": 1.54,
    "NO3": 3.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.9002] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 69,
    "stn_id": "AHC3",
    "water_depth": 197,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1746",
    "depth": 30.0,
    "PO4": 1.44,
    "SiOH4": 19.78,
    "NO3_NO2": 11.55,
    "NO2": 0.42,
    "NH4": 1.37,
    "NO3": 11.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.9002] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 69,
    "stn_id": "AHC3",
    "water_depth": 197,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1746",
    "depth": 75.0,
    "PO4": 1.71,
    "SiOH4": 26.48,
    "NO3_NO2": 15.01,
    "NO2": 0.24,
    "NH4": 1.56,
    "NO3": 14.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.9002] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 69,
    "stn_id": "AHC3",
    "water_depth": 197,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1746",
    "depth": 100.0,
    "PO4": 1.73,
    "SiOH4": 27.18,
    "NO3_NO2": 15.56,
    "NO2": 0.29,
    "NH4": 1.42,
    "NO3": 15.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.9002] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 69,
    "stn_id": "AHC3",
    "water_depth": 197,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1746",
    "depth": 193.0,
    "PO4": 1.7,
    "SiOH4": 31.21,
    "NO3_NO2": 19.26,
    "NO2": 0.13,
    "NH4": 1.28,
    "NO3": 19.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0725, 59.7981] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 70,
    "stn_id": "AHC4",
    "water_depth": 202,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1836",
    "depth": 0.0,
    "PO4": 0.54,
    "SiOH4": 7.24,
    "NO3_NO2": 0.24,
    "NO2": 0.2,
    "NH4": 1.48,
    "NO3": 0.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0725, 59.7981] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 70,
    "stn_id": "AHC4",
    "water_depth": 202,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1836",
    "depth": 15.0,
    "PO4": 1.04,
    "SiOH4": 13.26,
    "NO3_NO2": 5.59,
    "NO2": 0.46,
    "NH4": 1.54,
    "NO3": 5.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0725, 59.7981] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 70,
    "stn_id": "AHC4",
    "water_depth": 202,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1836",
    "depth": 30.0,
    "PO4": 1.39,
    "SiOH4": 18.63,
    "NO3_NO2": 10.63,
    "NO2": 0.46,
    "NH4": 1.63,
    "NO3": 10.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0725, 59.7981] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 70,
    "stn_id": "AHC4",
    "water_depth": 202,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1836",
    "depth": 75.0,
    "PO4": 1.01,
    "SiOH4": 14.66,
    "NO3_NO2": 9.6,
    "NO2": 0.12,
    "NH4": 1.09,
    "NO3": 9.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0725, 59.7981] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 70,
    "stn_id": "AHC4",
    "water_depth": 202,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1836",
    "depth": 100.0,
    "PO4": 1.44,
    "SiOH4": 22.69,
    "NO3_NO2": 13.79,
    "NO2": 0.21,
    "NH4": 1.42,
    "NO3": 13.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0725, 59.7981] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 70,
    "stn_id": "AHC4",
    "water_depth": 202,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1836",
    "depth": 194.0,
    "PO4": 2.56,
    "SiOH4": 53.38,
    "NO3_NO2": 28.38,
    "NO2": 0.29,
    "NH4": 1.41,
    "NO3": 28.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.075, 59.6989] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 71,
    "stn_id": "AHC5",
    "water_depth": 205,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1926",
    "depth": 0.0,
    "PO4": 0.47,
    "SiOH4": 5.41,
    "NO3_NO2": 0.21,
    "NO2": 0.2,
    "NH4": 1.47,
    "NO3": 0.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.075, 59.6989] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 71,
    "stn_id": "AHC5",
    "water_depth": 205,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1926",
    "depth": 15.0,
    "PO4": 0.84,
    "SiOH4": 10.11,
    "NO3_NO2": 2.01,
    "NO2": 0.36,
    "NH4": 1.74,
    "NO3": 1.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.075, 59.6989] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 71,
    "stn_id": "AHC5",
    "water_depth": 205,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1926",
    "depth": 30.0,
    "PO4": 1.23,
    "SiOH4": 15.47,
    "NO3_NO2": 8.87,
    "NO2": 0.48,
    "NH4": 1.43,
    "NO3": 8.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.075, 59.6989] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 71,
    "stn_id": "AHC5",
    "water_depth": 205,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1926",
    "depth": 75.0,
    "PO4": 1.39,
    "SiOH4": 18.83,
    "NO3_NO2": 11.55,
    "NO2": 0.35,
    "NH4": 1.45,
    "NO3": 11.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.075, 59.6989] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 71,
    "stn_id": "AHC5",
    "water_depth": 205,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1926",
    "depth": 100.0,
    "PO4": 1.46,
    "SiOH4": 19.53,
    "NO3_NO2": 12.28,
    "NO2": 0.23,
    "NH4": 1.41,
    "NO3": 12.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.075, 59.6989] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 71,
    "stn_id": "AHC5",
    "water_depth": 205,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "1926",
    "depth": 197.0,
    "PO4": 2.47,
    "SiOH4": 44.23,
    "NO3_NO2": 26.8,
    "NO2": 0.28,
    "NH4": 1.44,
    "NO3": 26.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.077, 59.5995] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 72,
    "stn_id": "AHC6",
    "water_depth": 204,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "2016",
    "depth": 0.0,
    "PO4": 0.51,
    "SiOH4": 9.59,
    "NO3_NO2": 0.24,
    "NO2": 0.24,
    "NH4": 1.43,
    "NO3": 0.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.077, 59.5995] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 72,
    "stn_id": "AHC6",
    "water_depth": 204,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "2016",
    "depth": 15.0,
    "PO4": 0.71,
    "SiOH4": 9.62,
    "NO3_NO2": 0.43,
    "NO2": 0.29,
    "NH4": 1.56,
    "NO3": 0.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.077, 59.5995] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 72,
    "stn_id": "AHC6",
    "water_depth": 204,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "2016",
    "depth": 30.0,
    "PO4": 1.21,
    "SiOH4": 14.98,
    "NO3_NO2": 7.47,
    "NO2": 0.69,
    "NH4": 1.72,
    "NO3": 6.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.077, 59.5995] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 72,
    "stn_id": "AHC6",
    "water_depth": 204,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "2016",
    "depth": 75.0,
    "PO4": 1.28,
    "SiOH4": 15.68,
    "NO3_NO2": 10.45,
    "NO2": 0.25,
    "NH4": 1.48,
    "NO3": 10.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.077, 59.5995] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 72,
    "stn_id": "AHC6",
    "water_depth": 204,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "2016",
    "depth": 100.0,
    "PO4": 1.58,
    "SiOH4": 22.37,
    "NO3_NO2": 13.98,
    "NO2": 0.3,
    "NH4": 1.68,
    "NO3": 13.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.077, 59.5995] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 72,
    "stn_id": "AHC6",
    "water_depth": 204,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "2016",
    "depth": 202.0,
    "PO4": 2.59,
    "SiOH4": 52.4,
    "NO3_NO2": 29.05,
    "NO2": 0.32,
    "NH4": 1.81,
    "NO3": 28.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0762, 59.4988] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 73,
    "stn_id": "AHC7",
    "water_depth": 218,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "2110",
    "depth": 0.0,
    "PO4": 0.56,
    "SiOH4": 8.43,
    "NO3_NO2": 0.27,
    "NO2": 0.26,
    "NH4": 1.56,
    "NO3": 0.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0762, 59.4988] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 73,
    "stn_id": "AHC7",
    "water_depth": 218,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "2110",
    "depth": 15.0,
    "PO4": 0.76,
    "SiOH4": 9.13,
    "NO3_NO2": 2.55,
    "NO2": 0.33,
    "NH4": 1.56,
    "NO3": 2.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0762, 59.4988] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 73,
    "stn_id": "AHC7",
    "water_depth": 218,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "2110",
    "depth": 30.0,
    "PO4": 0.87,
    "SiOH4": 10.49,
    "NO3_NO2": 5.41,
    "NO2": 0.5,
    "NH4": 1.58,
    "NO3": 4.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0762, 59.4988] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 73,
    "stn_id": "AHC7",
    "water_depth": 218,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "2110",
    "depth": 75.0,
    "PO4": 1.45,
    "SiOH4": 19.85,
    "NO3_NO2": 12.58,
    "NO2": 0.31,
    "NH4": 1.54,
    "NO3": 12.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0762, 59.4988] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 73,
    "stn_id": "AHC7",
    "water_depth": 218,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "2110",
    "depth": 100.0,
    "PO4": 1.18,
    "SiOH4": 16.55,
    "NO3_NO2": 11.3,
    "NO2": 0.25,
    "NH4": 1.5,
    "NO3": 11.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0762, 59.4988] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 73,
    "stn_id": "AHC7",
    "water_depth": 218,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "2110",
    "depth": 202.0,
    "PO4": 2.35,
    "SiOH4": 51.25,
    "NO3_NO2": 15.5,
    "NO2": 0.32,
    "NH4": 1.53,
    "NO3": 15.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0776, 59.3997] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 74,
    "stn_id": "AHC8",
    "water_depth": 202,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "2204",
    "depth": 0.0,
    "PO4": 0.66,
    "SiOH4": 10.85,
    "NO3_NO2": 0.65,
    "NO2": 0.52,
    "NH4": 1.54,
    "NO3": 0.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0776, 59.3997] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 74,
    "stn_id": "AHC8",
    "water_depth": 202,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "2204",
    "depth": 15.0,
    "PO4": 1.09,
    "SiOH4": 13.58,
    "NO3_NO2": 4.03,
    "NO2": 0.65,
    "NH4": 1.57,
    "NO3": 3.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0776, 59.3997] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 74,
    "stn_id": "AHC8",
    "water_depth": 202,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "2204",
    "depth": 30.0,
    "PO4": 1.06,
    "SiOH4": 16.31,
    "NO3_NO2": 6.74,
    "NO2": 0.78,
    "NH4": 1.43,
    "NO3": 5.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0776, 59.3997] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 74,
    "stn_id": "AHC8",
    "water_depth": 202,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "2204",
    "depth": 75.0,
    "PO4": 1.36,
    "SiOH4": 20.4,
    "NO3_NO2": 11.15,
    "NO2": 0.57,
    "NH4": 1.38,
    "NO3": 10.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0776, 59.3997] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 74,
    "stn_id": "AHC8",
    "water_depth": 202,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "2204",
    "depth": 100.0,
    "PO4": 1.38,
    "SiOH4": 21.1,
    "NO3_NO2": 12.02,
    "NO2": 0.52,
    "NH4": 1.24,
    "NO3": 11.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0776, 59.3997] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 74,
    "stn_id": "AHC8",
    "water_depth": 202,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "2204",
    "depth": 199.0,
    "PO4": 2.26,
    "SiOH4": 43.45,
    "NO3_NO2": 27.75,
    "NO2": 0.4,
    "NH4": 1.27,
    "NO3": 27.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0769, 59.2992] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 75,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "2259",
    "depth": 0.0,
    "PO4": 0.85,
    "SiOH4": 12.36,
    "NO3_NO2": 3.54,
    "NO2": 0.62,
    "NH4": 1.39,
    "NO3": 2.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0769, 59.2992] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 75,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "2259",
    "depth": 15.0,
    "PO4": 0.9,
    "SiOH4": 13.06,
    "NO3_NO2": 3.76,
    "NO2": 0.63,
    "NH4": 1.48,
    "NO3": 3.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0769, 59.2992] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 75,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "2259",
    "depth": 30.0,
    "PO4": 1.0,
    "SiOH4": 15.12,
    "NO3_NO2": 6.91,
    "NO2": 0.73,
    "NH4": 1.34,
    "NO3": 6.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0769, 59.2992] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 75,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "2259",
    "depth": 75.0,
    "PO4": 1.25,
    "SiOH4": 20.55,
    "NO3_NO2": 11.17,
    "NO2": 0.92,
    "NH4": 1.33,
    "NO3": 10.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0769, 59.2992] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 75,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "2259",
    "depth": 100.0,
    "PO4": 1.51,
    "SiOH4": 24.64,
    "NO3_NO2": 14.91,
    "NO2": 0.44,
    "NH4": 1.29,
    "NO3": 14.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0769, 59.2992] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 75,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "7",
    "day_gmt": "15",
    "time_gmt": "2259",
    "depth": 193.0,
    "PO4": 2.51,
    "SiOH4": 45.63,
    "NO3_NO2": 31.82,
    "NO2": 0.36,
    "NH4": 1.28,
    "NO3": 31.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9133, 59.9586] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 85,
    "stn_id": "MS1",
    "water_depth": 178,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1014",
    "depth": 0.0,
    "PO4": 0.23,
    "SiOH4": 1.67,
    "NO3_NO2": 2.89,
    "NO2": 0.3,
    "NH4": 1.45,
    "NO3": 2.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9133, 59.9586] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 85,
    "stn_id": "MS1",
    "water_depth": 178,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1014",
    "depth": 15.0,
    "PO4": 0.68,
    "SiOH4": 8.48,
    "NO3_NO2": 2.15,
    "NO2": 0.57,
    "NH4": 1.65,
    "NO3": 1.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9133, 59.9586] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 85,
    "stn_id": "MS1",
    "water_depth": 178,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1014",
    "depth": 30.0,
    "PO4": 0.64,
    "SiOH4": 9.21,
    "NO3_NO2": 4.14,
    "NO2": 0.45,
    "NH4": 1.42,
    "NO3": 3.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9133, 59.9586] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 85,
    "stn_id": "MS1",
    "water_depth": 178,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1014",
    "depth": 50.0,
    "PO4": 1.33,
    "SiOH4": 21.44,
    "NO3_NO2": 12.16,
    "NO2": 0.61,
    "NH4": 1.62,
    "NO3": 11.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9133, 59.9586] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 85,
    "stn_id": "MS1",
    "water_depth": 178,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1014",
    "depth": 75.0,
    "PO4": 1.2,
    "SiOH4": 20.14,
    "NO3_NO2": 11.35,
    "NO2": 0.61,
    "NH4": 1.65,
    "NO3": 10.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9133, 59.9586] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 85,
    "stn_id": "MS1",
    "water_depth": 178,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1014",
    "depth": 100.0,
    "PO4": 1.75,
    "SiOH4": 31.69,
    "NO3_NO2": 17.68,
    "NO2": 0.42,
    "NH4": 1.58,
    "NO3": 17.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9133, 59.9586] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 85,
    "stn_id": "MS1",
    "water_depth": 178,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1014",
    "depth": 175.0,
    "PO4": 1.95,
    "SiOH4": 37.83,
    "NO3_NO2": 21.0,
    "NO2": 0.39,
    "NH4": 1.58,
    "NO3": 20.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8781, 59.944] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 86,
    "stn_id": "MS2",
    "water_depth": 199,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1044",
    "depth": 0.0,
    "PO4": 0.88,
    "SiOH4": 6.43,
    "NO3_NO2": 0.99,
    "NO2": 0.51,
    "NH4": 2.06,
    "NO3": 0.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8781, 59.944] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 86,
    "stn_id": "MS2",
    "water_depth": 199,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1044",
    "depth": 15.0,
    "PO4": 0.78,
    "SiOH4": 9.83,
    "NO3_NO2": 3.12,
    "NO2": 0.58,
    "NH4": 1.59,
    "NO3": 2.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8781, 59.944] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 86,
    "stn_id": "MS2",
    "water_depth": 199,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1044",
    "depth": 20.0,
    "PO4": 0.69,
    "SiOH4": 9.18,
    "NO3_NO2": 3.04,
    "NO2": 0.53,
    "NH4": 1.48,
    "NO3": 2.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8781, 59.944] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 86,
    "stn_id": "MS2",
    "water_depth": 199,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1044",
    "depth": 30.0,
    "PO4": 0.93,
    "SiOH4": 13.95,
    "NO3_NO2": 5.23,
    "NO2": 0.6,
    "NH4": 1.67,
    "NO3": 4.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8781, 59.944] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 86,
    "stn_id": "MS2",
    "water_depth": 199,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1044",
    "depth": 50.0,
    "PO4": 1.38,
    "SiOH4": 22.09,
    "NO3_NO2": 12.21,
    "NO2": 0.57,
    "NH4": 1.4,
    "NO3": 11.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8781, 59.944] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 86,
    "stn_id": "MS2",
    "water_depth": 199,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1044",
    "depth": 75.0,
    "PO4": 1.43,
    "SiOH4": 23.47,
    "NO3_NO2": 12.5,
    "NO2": null,
    "NH4": 1.33,
    "NO3": 12.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8781, 59.944] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 86,
    "stn_id": "MS2",
    "water_depth": 199,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1044",
    "depth": 75.0,
    "PO4": 1.5,
    "SiOH4": 24.89,
    "NO3_NO2": 15.31,
    "NO2": 0.47,
    "NH4": 1.25,
    "NO3": 14.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8781, 59.944] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 86,
    "stn_id": "MS2",
    "water_depth": 199,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1044",
    "depth": 100.0,
    "PO4": 1.73,
    "SiOH4": 32.29,
    "NO3_NO2": 16.9,
    "NO2": null,
    "NH4": 1.45,
    "NO3": 16.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8781, 59.944] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 86,
    "stn_id": "MS2",
    "water_depth": 199,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1044",
    "depth": 100.0,
    "PO4": 1.82,
    "SiOH4": 33.06,
    "NO3_NO2": 19.35,
    "NO2": 0.43,
    "NH4": 1.31,
    "NO3": 18.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8781, 59.944] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 86,
    "stn_id": "MS2",
    "water_depth": 199,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1044",
    "depth": 196.0,
    "PO4": 1.97,
    "SiOH4": 37.72,
    "NO3_NO2": 21.23,
    "NO2": 0.38,
    "NH4": 1.41,
    "NO3": 20.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8545, 59.9326] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 87,
    "stn_id": "MS3",
    "water_depth": 164,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1112",
    "depth": 0.0,
    "PO4": 0.6,
    "SiOH4": 5.96,
    "NO3_NO2": 0.63,
    "NO2": 0.48,
    "NH4": 2.26,
    "NO3": 0.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8545, 59.9326] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 87,
    "stn_id": "MS3",
    "water_depth": 164,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1112",
    "depth": 15.0,
    "PO4": 0.81,
    "SiOH4": 10.04,
    "NO3_NO2": 3.64,
    "NO2": 0.61,
    "NH4": 1.65,
    "NO3": 3.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8545, 59.9326] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 87,
    "stn_id": "MS3",
    "water_depth": 164,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1112",
    "depth": 20.0,
    "PO4": 0.85,
    "SiOH4": 11.42,
    "NO3_NO2": 4.14,
    "NO2": 0.64,
    "NH4": 2.04,
    "NO3": 3.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8545, 59.9326] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 87,
    "stn_id": "MS3",
    "water_depth": 164,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1112",
    "depth": 30.0,
    "PO4": 0.93,
    "SiOH4": 13.48,
    "NO3_NO2": 5.53,
    "NO2": 0.71,
    "NH4": 1.9,
    "NO3": 4.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8545, 59.9326] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 87,
    "stn_id": "MS3",
    "water_depth": 164,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1112",
    "depth": 50.0,
    "PO4": 1.29,
    "SiOH4": 20.27,
    "NO3_NO2": 11.19,
    "NO2": 0.66,
    "NH4": 1.53,
    "NO3": 10.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8545, 59.9326] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 87,
    "stn_id": "MS3",
    "water_depth": 164,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1112",
    "depth": 75.0,
    "PO4": 1.12,
    "SiOH4": 19.67,
    "NO3_NO2": 11.18,
    "NO2": 0.36,
    "NH4": 1.25,
    "NO3": 10.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8545, 59.9326] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 87,
    "stn_id": "MS3",
    "water_depth": 164,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1112",
    "depth": 100.0,
    "PO4": 1.79,
    "SiOH4": 33.93,
    "NO3_NO2": 17.95,
    "NO2": 0.54,
    "NH4": 1.45,
    "NO3": 17.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8545, 59.9326] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 87,
    "stn_id": "MS3",
    "water_depth": 164,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1112",
    "depth": 164.0,
    "PO4": 1.84,
    "SiOH4": 36.01,
    "NO3_NO2": 20.23,
    "NO2": 0.45,
    "NH4": 1.49,
    "NO3": 19.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8252, 59.9211] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 88,
    "stn_id": "MS4",
    "water_depth": 123,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1137",
    "depth": 0.0,
    "PO4": 0.58,
    "SiOH4": 6.3,
    "NO3_NO2": 1.04,
    "NO2": 0.51,
    "NH4": 1.72,
    "NO3": 0.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8252, 59.9211] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 88,
    "stn_id": "MS4",
    "water_depth": 123,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1137",
    "depth": 15.0,
    "PO4": 0.75,
    "SiOH4": 9.05,
    "NO3_NO2": 2.96,
    "NO2": 0.7,
    "NH4": 1.72,
    "NO3": 2.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8252, 59.9211] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 88,
    "stn_id": "MS4",
    "water_depth": 123,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1137",
    "depth": 20.0,
    "PO4": 0.85,
    "SiOH4": 10.82,
    "NO3_NO2": 4.01,
    "NO2": 0.64,
    "NH4": 1.91,
    "NO3": 3.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8252, 59.9211] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 88,
    "stn_id": "MS4",
    "water_depth": 123,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1137",
    "depth": 30.0,
    "PO4": 1.01,
    "SiOH4": 14.93,
    "NO3_NO2": 6.59,
    "NO2": 0.57,
    "NH4": 1.85,
    "NO3": 6.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8252, 59.9211] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 88,
    "stn_id": "MS4",
    "water_depth": 123,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1137",
    "depth": 50.0,
    "PO4": 0.99,
    "SiOH4": 14.99,
    "NO3_NO2": 6.44,
    "NO2": 0.67,
    "NH4": 1.88,
    "NO3": 5.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8252, 59.9211] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 88,
    "stn_id": "MS4",
    "water_depth": 123,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1137",
    "depth": 75.0,
    "PO4": 1.56,
    "SiOH4": 25.86,
    "NO3_NO2": 14.83,
    "NO2": 0.45,
    "NH4": 1.65,
    "NO3": 14.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8252, 59.9211] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 88,
    "stn_id": "MS4",
    "water_depth": 123,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1137",
    "depth": 100.0,
    "PO4": 1.56,
    "SiOH4": 25.24,
    "NO3_NO2": 15.13,
    "NO2": 0.42,
    "NH4": 1.62,
    "NO3": 14.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8252, 59.9211] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 88,
    "stn_id": "MS4",
    "water_depth": 123,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1137",
    "depth": 119.0,
    "PO4": 1.53,
    "SiOH4": 24.61,
    "NO3_NO2": 14.98,
    "NO2": 0.42,
    "NH4": 1.68,
    "NO3": 14.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9839, 60.282] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 89,
    "stn_id": "KIP2",
    "water_depth": 587,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1609",
    "depth": 0.0,
    "PO4": 0.1,
    "SiOH4": 0.99,
    "NO3_NO2": 0.05,
    "NO2": 0.3,
    "NH4": 1.58,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9839, 60.282] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 89,
    "stn_id": "KIP2",
    "water_depth": 587,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1609",
    "depth": 10.0,
    "PO4": 0.47,
    "SiOH4": 4.42,
    "NO3_NO2": 0.06,
    "NO2": 0.39,
    "NH4": 1.88,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9839, 60.282] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 89,
    "stn_id": "KIP2",
    "water_depth": 587,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1609",
    "depth": 15.0,
    "PO4": 0.79,
    "SiOH4": 8.53,
    "NO3_NO2": 2.27,
    "NO2": 0.61,
    "NH4": 1.95,
    "NO3": 1.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9839, 60.282] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 89,
    "stn_id": "KIP2",
    "water_depth": 587,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1609",
    "depth": 30.0,
    "PO4": 0.64,
    "SiOH4": 7.23,
    "NO3_NO2": 1.24,
    "NO2": 0.54,
    "NH4": 2.01,
    "NO3": 0.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9839, 60.282] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 89,
    "stn_id": "KIP2",
    "water_depth": 587,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1609",
    "depth": 40.0,
    "PO4": 1.22,
    "SiOH4": 18.11,
    "NO3_NO2": 10.8,
    "NO2": 0.51,
    "NH4": 1.75,
    "NO3": 10.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9839, 60.282] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 89,
    "stn_id": "KIP2",
    "water_depth": 587,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1609",
    "depth": 50.0,
    "PO4": 1.47,
    "SiOH4": 23.57,
    "NO3_NO2": 14.04,
    "NO2": 0.67,
    "NH4": 1.85,
    "NO3": 13.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9839, 60.282] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 89,
    "stn_id": "KIP2",
    "water_depth": 587,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1609",
    "depth": 75.0,
    "PO4": 1.69,
    "SiOH4": 29.71,
    "NO3_NO2": 17.21,
    "NO2": 0.57,
    "NH4": 1.82,
    "NO3": 16.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9839, 60.282] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 89,
    "stn_id": "KIP2",
    "water_depth": 587,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1609",
    "depth": 100.0,
    "PO4": 1.77,
    "SiOH4": 33.19,
    "NO3_NO2": 19.63,
    "NO2": 0.48,
    "NH4": 1.8,
    "NO3": 19.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9839, 60.282] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 89,
    "stn_id": "KIP2",
    "water_depth": 587,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1609",
    "depth": 200.0,
    "PO4": 1.98,
    "SiOH4": 39.32,
    "NO3_NO2": 22.64,
    "NO2": 0.42,
    "NH4": 1.86,
    "NO3": 22.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9839, 60.282] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 89,
    "stn_id": "KIP2",
    "water_depth": 587,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1609",
    "depth": 300.0,
    "PO4": 2.03,
    "SiOH4": 42.07,
    "NO3_NO2": 24.33,
    "NO2": 0.47,
    "NH4": 1.58,
    "NO3": 23.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9839, 60.282] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 89,
    "stn_id": "KIP2",
    "water_depth": 587,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "1609",
    "depth": 583.0,
    "PO4": 2.08,
    "SiOH4": 41.44,
    "NO3_NO2": 25.28,
    "NO2": 0.47,
    "NH4": 1.54,
    "NO3": 24.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.47, 59.8469] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 91,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "2246",
    "depth": 0.0,
    "PO4": null,
    "SiOH4": 4.96,
    "NO3_NO2": null,
    "NO2": null,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.47, 59.8469] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 91,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "2246",
    "depth": 10.0,
    "PO4": null,
    "SiOH4": 2.98,
    "NO3_NO2": null,
    "NO2": null,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.47, 59.8469] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 91,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "2246",
    "depth": 20.0,
    "PO4": null,
    "SiOH4": 5.05,
    "NO3_NO2": null,
    "NO2": null,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.47, 59.8469] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 91,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "2246",
    "depth": 30.0,
    "PO4": 0.58,
    "SiOH4": 3.07,
    "NO3_NO2": 0.7,
    "NO2": 0.39,
    "NH4": 1.53,
    "NO3": 0.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.47, 59.8469] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 91,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "2246",
    "depth": 50.0,
    "PO4": 1.02,
    "SiOH4": 8.52,
    "NO3_NO2": 5.69,
    "NO2": 0.21,
    "NH4": 0.99,
    "NO3": 5.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.47, 59.8469] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 91,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "2246",
    "depth": 100.0,
    "PO4": 1.36,
    "SiOH4": 16.69,
    "NO3_NO2": 10.17,
    "NO2": 0.32,
    "NH4": 1.51,
    "NO3": 9.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.47, 59.8469] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 91,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "2246",
    "depth": 100.0,
    "PO4": 1.36,
    "SiOH4": 17.54,
    "NO3_NO2": 10.52,
    "NO2": null,
    "NH4": 1.66,
    "NO3": 10.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.47, 59.8469] },
  "properties": {
    "cruise_id": "HX211",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 91,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "7",
    "day_gmt": "16",
    "time_gmt": "2246",
    "depth": 250.0,
    "PO4": 2.35,
    "SiOH4": 48.52,
    "NO3_NO2": 26.57,
    "NO2": null,
    "NH4": 1.73,
    "NO3": 26.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3614, 60.0211] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 297,
    "month_gmt": "10",
    "day_gmt": "02",
    "time_gmt": "1834",
    "depth": 2.0,
    "PO4": 0.67,
    "SiOH4": 4.92,
    "NO3_NO2": 0.51,
    "NO2": 0.28,
    "NH4": 1.13,
    "NO3": 0.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3614, 60.0211] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 297,
    "month_gmt": "10",
    "day_gmt": "02",
    "time_gmt": "1834",
    "depth": 9.9,
    "PO4": 0.38,
    "SiOH4": 3.62,
    "NO3_NO2": 0.51,
    "NO2": 0.31,
    "NH4": 0.79,
    "NO3": 0.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3614, 60.0211] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 297,
    "month_gmt": "10",
    "day_gmt": "02",
    "time_gmt": "1834",
    "depth": 19.9,
    "PO4": 0.33,
    "SiOH4": 3.59,
    "NO3_NO2": 1.18,
    "NO2": 0.75,
    "NH4": 1.36,
    "NO3": 0.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3614, 60.0211] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 297,
    "month_gmt": "10",
    "day_gmt": "02",
    "time_gmt": "1834",
    "depth": 31.1,
    "PO4": 0.57,
    "SiOH4": 3.84,
    "NO3_NO2": 1.01,
    "NO2": 0.11,
    "NH4": 0.03,
    "NO3": 0.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3614, 60.0211] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 297,
    "month_gmt": "10",
    "day_gmt": "02",
    "time_gmt": "1834",
    "depth": 50.8,
    "PO4": 0.61,
    "SiOH4": 5.79,
    "NO3_NO2": 1.86,
    "NO2": 0.07,
    "NH4": 0.32,
    "NO3": 1.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3614, 60.0211] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 297,
    "month_gmt": "10",
    "day_gmt": "02",
    "time_gmt": "1834",
    "depth": 100.2,
    "PO4": 1.34,
    "SiOH4": 15.23,
    "NO3_NO2": 5.48,
    "NO2": 0.07,
    "NH4": 0.15,
    "NO3": 5.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3614, 60.0211] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 297,
    "month_gmt": "10",
    "day_gmt": "02",
    "time_gmt": "1834",
    "depth": 150.6,
    "PO4": 1.65,
    "SiOH4": 19.02,
    "NO3_NO2": 6.5,
    "NO2": 0.15,
    "NH4": 0.89,
    "NO3": 6.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3614, 60.0211] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 297,
    "month_gmt": "10",
    "day_gmt": "02",
    "time_gmt": "1834",
    "depth": 200.5,
    "PO4": 2.41,
    "SiOH4": 31.43,
    "NO3_NO2": 9.53,
    "NO2": 0.01,
    "NH4": 0.75,
    "NO3": 9.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3614, 60.0211] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 297,
    "month_gmt": "10",
    "day_gmt": "02",
    "time_gmt": "1834",
    "depth": 250.2,
    "PO4": 2.63,
    "SiOH4": 32.96,
    "NO3_NO2": 10.21,
    "NO2": 0.0,
    "NH4": 1.04,
    "NO3": 10.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3614, 60.0211] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 297,
    "month_gmt": "10",
    "day_gmt": "02",
    "time_gmt": "1834",
    "depth": 293.1,
    "PO4": 2.69,
    "SiOH4": 32.22,
    "NO3_NO2": 9.79,
    "NO2": 0.08,
    "NH4": 1.12,
    "NO3": 9.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7963, 58.0983] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK13",
    "water_depth": 2500,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1602",
    "depth": 2.1,
    "PO4": 1.07,
    "SiOH4": 5.05,
    "NO3_NO2": 1.27,
    "NO2": 0.18,
    "NH4": 0.95,
    "NO3": 1.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7963, 58.0983] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK13",
    "water_depth": 2500,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1602",
    "depth": 25.2,
    "PO4": 1.03,
    "SiOH4": 10.25,
    "NO3_NO2": 3.88,
    "NO2": 0.29,
    "NH4": 0.18,
    "NO3": 3.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7963, 58.0983] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK13",
    "water_depth": 2500,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1602",
    "depth": 49.5,
    "PO4": 1.09,
    "SiOH4": 16.44,
    "NO3_NO2": 6.16,
    "NO2": 0.13,
    "NH4": 0.41,
    "NO3": 6.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7963, 58.0983] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK13",
    "water_depth": 2500,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1602",
    "depth": 74.8,
    "PO4": 1.29,
    "SiOH4": 16.13,
    "NO3_NO2": 6.33,
    "NO2": 0.09,
    "NH4": 0.31,
    "NO3": 6.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7963, 58.0983] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK13",
    "water_depth": 2500,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1602",
    "depth": 99.4,
    "PO4": 1.93,
    "SiOH4": 25.57,
    "NO3_NO2": 9.28,
    "NO2": 0.13,
    "NH4": 1.0,
    "NO3": 9.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7963, 58.0983] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK13",
    "water_depth": 2500,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1602",
    "depth": 249.5,
    "PO4": 2.49,
    "SiOH4": 39.12,
    "NO3_NO2": 12.91,
    "NO2": 0.19,
    "NH4": 0.66,
    "NO3": 12.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7963, 58.0983] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK13",
    "water_depth": 2500,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1602",
    "depth": 500.3,
    "PO4": 3.56,
    "SiOH4": 67.22,
    "NO3_NO2": 17.38,
    "NO2": 0.35,
    "NH4": 1.0,
    "NO3": 17.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7963, 58.0983] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK13",
    "water_depth": 2500,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1602",
    "depth": 999.8,
    "PO4": 3.94,
    "SiOH4": 39.76,
    "NO3_NO2": 17.38,
    "NO2": 0.12,
    "NH4": 1.25,
    "NO3": 17.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7963, 58.0983] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "GAK13",
    "water_depth": 2500,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1602",
    "depth": 1500.4,
    "PO4": 4.27,
    "SiOH4": 42.14,
    "NO3_NO2": 16.87,
    "NO2": 0.27,
    "NH4": 1.1,
    "NO3": 16.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9356, 58.2419] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK12",
    "water_depth": 2000,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1846",
    "depth": 2.1,
    "PO4": 1.25,
    "SiOH4": 5.07,
    "NO3_NO2": 1.43,
    "NO2": 0.25,
    "NH4": 1.47,
    "NO3": 1.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9356, 58.2419] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK12",
    "water_depth": 2000,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1846",
    "depth": 25.2,
    "PO4": 0.6,
    "SiOH4": 4.9,
    "NO3_NO2": 1.52,
    "NO2": 0.22,
    "NH4": 1.23,
    "NO3": 1.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9356, 58.2419] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK12",
    "water_depth": 2000,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1846",
    "depth": 50.1,
    "PO4": 0.98,
    "SiOH4": 13.63,
    "NO3_NO2": 5.82,
    "NO2": 0.21,
    "NH4": 1.42,
    "NO3": 5.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9356, 58.2419] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK12",
    "water_depth": 2000,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1846",
    "depth": 75.2,
    "PO4": 1.0,
    "SiOH4": 13.74,
    "NO3_NO2": 5.91,
    "NO2": 0.16,
    "NH4": 1.3,
    "NO3": 5.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9356, 58.2419] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK12",
    "water_depth": 2000,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1846",
    "depth": 100.1,
    "PO4": 1.14,
    "SiOH4": 15.98,
    "NO3_NO2": 5.78,
    "NO2": 0.01,
    "NH4": 0.04,
    "NO3": 5.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9356, 58.2419] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK12",
    "water_depth": 2000,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1846",
    "depth": 249.6,
    "PO4": 2.27,
    "SiOH4": 40.93,
    "NO3_NO2": 12.17,
    "NO2": 0.01,
    "NH4": 0.03,
    "NO3": 12.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9356, 58.2419] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK12",
    "water_depth": 2000,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1846",
    "depth": 500.0,
    "PO4": 3.13,
    "SiOH4": 41.55,
    "NO3_NO2": 11.52,
    "NO2": 0.12,
    "NH4": 0.82,
    "NO3": 11.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9356, 58.2419] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK12",
    "water_depth": 2000,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1846",
    "depth": 999.0,
    "PO4": 3.69,
    "SiOH4": 40.74,
    "NO3_NO2": 14.45,
    "NO2": 0.14,
    "NH4": 0.57,
    "NO3": 14.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9356, 58.2419] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK12",
    "water_depth": 2000,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1846",
    "depth": 1501.2,
    "PO4": 3.77,
    "SiOH4": 38.39,
    "NO3_NO2": 15.47,
    "NO2": 0.16,
    "NH4": 0.0,
    "NO3": 15.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0713, 58.3894] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK11",
    "water_depth": 1500,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2058",
    "depth": 1.6,
    "PO4": 1.0,
    "SiOH4": 2.68,
    "NO3_NO2": 0.37,
    "NO2": 0.18,
    "NH4": 0.21,
    "NO3": 0.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0713, 58.3894] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK11",
    "water_depth": 1500,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2058",
    "depth": 25.2,
    "PO4": 1.27,
    "SiOH4": 9.48,
    "NO3_NO2": 3.49,
    "NO2": 0.25,
    "NH4": 0.22,
    "NO3": 3.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0713, 58.3894] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK11",
    "water_depth": 1500,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2058",
    "depth": 50.1,
    "PO4": 1.61,
    "SiOH4": 13.49,
    "NO3_NO2": 5.72,
    "NO2": 0.16,
    "NH4": 0.0,
    "NO3": 5.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0713, 58.3894] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK11",
    "water_depth": 1500,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2058",
    "depth": 76.2,
    "PO4": 1.72,
    "SiOH4": 15.94,
    "NO3_NO2": 6.91,
    "NO2": 0.19,
    "NH4": 0.67,
    "NO3": 6.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0713, 58.3894] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK11",
    "water_depth": 1500,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2058",
    "depth": 101.3,
    "PO4": 1.98,
    "SiOH4": 19.64,
    "NO3_NO2": 8.97,
    "NO2": 0.31,
    "NH4": 0.76,
    "NO3": 8.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0713, 58.3894] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK11",
    "water_depth": 1500,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2058",
    "depth": 249.3,
    "PO4": 3.17,
    "SiOH4": 42.88,
    "NO3_NO2": 16.29,
    "NO2": 0.15,
    "NH4": 0.24,
    "NO3": 16.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0713, 58.3894] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK11",
    "water_depth": 1500,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2058",
    "depth": 498.2,
    "PO4": 3.7,
    "SiOH4": 49.99,
    "NO3_NO2": 19.58,
    "NO2": 0.18,
    "NH4": 0.6,
    "NO3": 19.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0713, 58.3894] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK11",
    "water_depth": 1500,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2058",
    "depth": 1000.9,
    "PO4": null,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": null,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0713, 58.3894] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK11",
    "water_depth": 1500,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2058",
    "depth": 1415.9,
    "PO4": 4.04,
    "SiOH4": 42.8,
    "NO3_NO2": 22.3,
    "NO2": 0.45,
    "NH4": 1.05,
    "NO3": 21.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2097, 58.5422] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK10",
    "water_depth": 1500,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2318",
    "depth": 1.8,
    "PO4": 1.01,
    "SiOH4": 3.99,
    "NO3_NO2": 1.08,
    "NO2": 0.42,
    "NH4": 1.1,
    "NO3": 0.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2097, 58.5422] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK10",
    "water_depth": 1500,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2318",
    "depth": 26.0,
    "PO4": 0.78,
    "SiOH4": 4.59,
    "NO3_NO2": 1.39,
    "NO2": 0.21,
    "NH4": 1.38,
    "NO3": 1.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2097, 58.5422] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK10",
    "water_depth": 1500,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2318",
    "depth": 50.0,
    "PO4": 1.31,
    "SiOH4": 12.32,
    "NO3_NO2": 6.43,
    "NO2": 0.27,
    "NH4": 0.01,
    "NO3": 6.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2097, 58.5422] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK10",
    "water_depth": 1500,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2318",
    "depth": 75.0,
    "PO4": 1.36,
    "SiOH4": 13.22,
    "NO3_NO2": 6.57,
    "NO2": 0.13,
    "NH4": 0.37,
    "NO3": 6.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2097, 58.5422] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK10",
    "water_depth": 1500,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2318",
    "depth": 100.3,
    "PO4": 1.63,
    "SiOH4": 18.93,
    "NO3_NO2": 8.81,
    "NO2": 0.19,
    "NH4": 1.15,
    "NO3": 8.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2097, 58.5422] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK10",
    "water_depth": 1500,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2318",
    "depth": 250.7,
    "PO4": 2.66,
    "SiOH4": 39.38,
    "NO3_NO2": 16.47,
    "NO2": 0.26,
    "NH4": 1.28,
    "NO3": 16.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2097, 58.5422] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK10",
    "water_depth": 1500,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2318",
    "depth": 499.9,
    "PO4": 3.58,
    "SiOH4": 50.83,
    "NO3_NO2": 21.33,
    "NO2": 0.2,
    "NH4": 0.87,
    "NO3": 21.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2097, 58.5422] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK10",
    "water_depth": 1500,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2318",
    "depth": 994.8,
    "PO4": 3.7,
    "SiOH4": 34.98,
    "NO3_NO2": 21.47,
    "NO2": 0.19,
    "NH4": 1.04,
    "NO3": 21.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2097, 58.5422] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK10",
    "water_depth": 1500,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2318",
    "depth": 1471.2,
    "PO4": 3.47,
    "SiOH4": 33.56,
    "NO3_NO2": 20.38,
    "NO2": 0.16,
    "NH4": 1.4,
    "NO3": 20.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1897, 59.5527] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 11,
    "stn_id": "GAK3",
    "water_depth": 210,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1509",
    "depth": 2.6,
    "PO4": 1.02,
    "SiOH4": 5.3,
    "NO3_NO2": 1.79,
    "NO2": 0.46,
    "NH4": 2.14,
    "NO3": 1.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1897, 59.5527] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 11,
    "stn_id": "GAK3",
    "water_depth": 210,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1509",
    "depth": 24.2,
    "PO4": 0.87,
    "SiOH4": 5.06,
    "NO3_NO2": 1.0,
    "NO2": 0.5,
    "NH4": 0.35,
    "NO3": 0.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1897, 59.5527] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 11,
    "stn_id": "GAK3",
    "water_depth": 210,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1509",
    "depth": 50.9,
    "PO4": 0.52,
    "SiOH4": 5.31,
    "NO3_NO2": 1.12,
    "NO2": 0.53,
    "NH4": 1.12,
    "NO3": 0.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1897, 59.5527] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 11,
    "stn_id": "GAK3",
    "water_depth": 210,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1509",
    "depth": 100.2,
    "PO4": 0.78,
    "SiOH4": 11.91,
    "NO3_NO2": 4.39,
    "NO2": 0.43,
    "NH4": 0.08,
    "NO3": 3.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1897, 59.5527] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 11,
    "stn_id": "GAK3",
    "water_depth": 210,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1509",
    "depth": 198.8,
    "PO4": 1.59,
    "SiOH4": 30.31,
    "NO3_NO2": 9.77,
    "NO2": 0.36,
    "NH4": 0.35,
    "NO3": 9.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1191, 59.4806] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 13,
    "stn_id": "GAK3I",
    "water_depth": 202,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1636",
    "depth": 5.8,
    "PO4": 0.5,
    "SiOH4": 3.57,
    "NO3_NO2": 1.14,
    "NO2": 0.44,
    "NH4": 1.19,
    "NO3": 0.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1191, 59.4806] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 13,
    "stn_id": "GAK3I",
    "water_depth": 202,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1636",
    "depth": 24.5,
    "PO4": 0.34,
    "SiOH4": 5.52,
    "NO3_NO2": 1.26,
    "NO2": 0.49,
    "NH4": 1.42,
    "NO3": 0.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1191, 59.4806] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 13,
    "stn_id": "GAK3I",
    "water_depth": 202,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1636",
    "depth": 50.8,
    "PO4": 0.65,
    "SiOH4": 4.17,
    "NO3_NO2": 1.1,
    "NO2": 0.23,
    "NH4": 1.17,
    "NO3": 0.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1191, 59.4806] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 13,
    "stn_id": "GAK3I",
    "water_depth": 202,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1636",
    "depth": 76.3,
    "PO4": 0.75,
    "SiOH4": 7.37,
    "NO3_NO2": 3.3,
    "NO2": 0.12,
    "NH4": 0.61,
    "NO3": 3.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1191, 59.4806] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 13,
    "stn_id": "GAK3I",
    "water_depth": 202,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1636",
    "depth": 100.6,
    "PO4": 0.95,
    "SiOH4": 8.62,
    "NO3_NO2": 4.16,
    "NO2": 0.13,
    "NH4": 0.3,
    "NO3": 4.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1191, 59.4806] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 13,
    "stn_id": "GAK3I",
    "water_depth": 202,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1636",
    "depth": 184.7,
    "PO4": 1.66,
    "SiOH4": 21.83,
    "NO3_NO2": 8.68,
    "NO2": 0.22,
    "NH4": 0.27,
    "NO3": 8.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0498, 59.4073] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK4",
    "water_depth": 197,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1742",
    "depth": 2.9,
    "PO4": 0.82,
    "SiOH4": 4.31,
    "NO3_NO2": 1.59,
    "NO2": 0.3,
    "NH4": 0.94,
    "NO3": 1.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0498, 59.4073] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK4",
    "water_depth": 197,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1742",
    "depth": 24.3,
    "PO4": 0.63,
    "SiOH4": 4.45,
    "NO3_NO2": 1.59,
    "NO2": 0.28,
    "NH4": 0.67,
    "NO3": 1.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0498, 59.4073] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK4",
    "water_depth": 197,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1742",
    "depth": 50.8,
    "PO4": 0.6,
    "SiOH4": 5.28,
    "NO3_NO2": 2.32,
    "NO2": 0.22,
    "NH4": 0.89,
    "NO3": 2.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0498, 59.4073] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK4",
    "water_depth": 197,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1742",
    "depth": 101.9,
    "PO4": 1.89,
    "SiOH4": 14.04,
    "NO3_NO2": 4.97,
    "NO2": 0.13,
    "NH4": 1.18,
    "NO3": 4.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0498, 59.4073] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK4",
    "water_depth": 197,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1742",
    "depth": 187.2,
    "PO4": 1.9,
    "SiOH4": 22.38,
    "NO3_NO2": 7.46,
    "NO2": 0.14,
    "NH4": 1.02,
    "NO3": 7.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9789, 59.3355] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK4I",
    "water_depth": 197,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1906",
    "depth": 3.1,
    "PO4": 1.66,
    "SiOH4": 8.34,
    "NO3_NO2": 2.04,
    "NO2": 0.38,
    "NH4": 0.73,
    "NO3": 1.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9789, 59.3355] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK4I",
    "water_depth": 197,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1906",
    "depth": 25.5,
    "PO4": 1.18,
    "SiOH4": 6.81,
    "NO3_NO2": 1.58,
    "NO2": 0.33,
    "NH4": 1.14,
    "NO3": 1.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9789, 59.3355] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK4I",
    "water_depth": 197,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1906",
    "depth": 50.3,
    "PO4": 1.01,
    "SiOH4": 6.12,
    "NO3_NO2": 1.58,
    "NO2": 0.3,
    "NH4": 0.32,
    "NO3": 1.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9789, 59.3355] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK4I",
    "water_depth": 197,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1906",
    "depth": 73.9,
    "PO4": 1.64,
    "SiOH4": 14.18,
    "NO3_NO2": 5.47,
    "NO2": 0.12,
    "NH4": 0.19,
    "NO3": 5.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9789, 59.3355] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK4I",
    "water_depth": 197,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1906",
    "depth": 101.0,
    "PO4": 1.9,
    "SiOH4": 14.32,
    "NO3_NO2": 6.72,
    "NO2": 0.18,
    "NH4": 0.64,
    "NO3": 6.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9789, 59.3355] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK4I",
    "water_depth": 197,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1906",
    "depth": 193.4,
    "PO4": 2.73,
    "SiOH4": 29.19,
    "NO3_NO2": 12.46,
    "NO2": 0.47,
    "NH4": 1.17,
    "NO3": 11.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9099, 59.2619] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK5",
    "water_depth": 171,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2009",
    "depth": 2.5,
    "PO4": 1.32,
    "SiOH4": 7.79,
    "NO3_NO2": 2.85,
    "NO2": 0.39,
    "NH4": 1.5,
    "NO3": 2.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9099, 59.2619] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK5",
    "water_depth": 171,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2009",
    "depth": 24.1,
    "PO4": 1.24,
    "SiOH4": 7.23,
    "NO3_NO2": 2.7,
    "NO2": 0.35,
    "NH4": 1.21,
    "NO3": 2.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9099, 59.2619] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK5",
    "water_depth": 171,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2009",
    "depth": 52.1,
    "PO4": 1.47,
    "SiOH4": 8.34,
    "NO3_NO2": 3.48,
    "NO2": 0.32,
    "NH4": 0.27,
    "NO3": 3.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9099, 59.2619] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK5",
    "water_depth": 171,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2009",
    "depth": 99.1,
    "PO4": 2.05,
    "SiOH4": 14.6,
    "NO3_NO2": 7.37,
    "NO2": 0.12,
    "NH4": 0.39,
    "NO3": 7.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9099, 59.2619] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK5",
    "water_depth": 171,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2009",
    "depth": 167.3,
    "PO4": 2.8,
    "SiOH4": 27.39,
    "NO3_NO2": 12.18,
    "NO2": 0.2,
    "NH4": 1.16,
    "NO3": 11.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8365, 59.1904] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK5I",
    "water_depth": 169,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2132",
    "depth": 3.4,
    "PO4": 1.57,
    "SiOH4": 8.48,
    "NO3_NO2": 2.57,
    "NO2": 0.28,
    "NH4": 1.41,
    "NO3": 2.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8365, 59.1904] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK5I",
    "water_depth": 169,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2132",
    "depth": 25.3,
    "PO4": 1.45,
    "SiOH4": 7.65,
    "NO3_NO2": 2.58,
    "NO2": 0.42,
    "NH4": 1.04,
    "NO3": 2.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8365, 59.1904] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK5I",
    "water_depth": 169,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2132",
    "depth": 48.1,
    "PO4": 1.85,
    "SiOH4": 12.79,
    "NO3_NO2": 6.15,
    "NO2": 0.29,
    "NH4": 0.63,
    "NO3": 5.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8365, 59.1904] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK5I",
    "water_depth": 169,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2132",
    "depth": 76.3,
    "PO4": 2.35,
    "SiOH4": 18.35,
    "NO3_NO2": 9.26,
    "NO2": 0.14,
    "NH4": 0.38,
    "NO3": 9.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8365, 59.1904] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK5I",
    "water_depth": 169,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2132",
    "depth": 99.8,
    "PO4": 2.36,
    "SiOH4": 16.96,
    "NO3_NO2": 8.96,
    "NO2": 0.12,
    "NH4": 0.01,
    "NO3": 8.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8365, 59.1904] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK5I",
    "water_depth": 169,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2132",
    "depth": 165.8,
    "PO4": 2.88,
    "SiOH4": 26.41,
    "NO3_NO2": 12.53,
    "NO2": 0.21,
    "NH4": 0.62,
    "NO3": 12.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.768, 59.1169] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2231",
    "depth": 2.5,
    "PO4": 1.66,
    "SiOH4": 6.81,
    "NO3_NO2": 2.45,
    "NO2": 0.2,
    "NH4": 0.99,
    "NO3": 2.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.768, 59.1169] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2231",
    "depth": 25.2,
    "PO4": 1.51,
    "SiOH4": 10.7,
    "NO3_NO2": 2.15,
    "NO2": 0.2,
    "NH4": 0.91,
    "NO3": 1.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.768, 59.1169] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2231",
    "depth": 50.7,
    "PO4": 1.77,
    "SiOH4": 12.09,
    "NO3_NO2": 4.48,
    "NO2": 0.12,
    "NH4": 0.78,
    "NO3": 4.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.768, 59.1169] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2231",
    "depth": 101.9,
    "PO4": 2.4,
    "SiOH4": 20.99,
    "NO3_NO2": 9.14,
    "NO2": 0.11,
    "NH4": 0.53,
    "NO3": 9.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.768, 59.1169] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2231",
    "depth": 148.2,
    "PO4": 3.29,
    "SiOH4": 33.5,
    "NO3_NO2": 15.36,
    "NO2": 0.2,
    "NH4": 0.57,
    "NO3": 15.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6292, 58.9715] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "GAK7",
    "water_depth": 247,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "0000",
    "depth": 2.0,
    "PO4": 1.58,
    "SiOH4": 7.05,
    "NO3_NO2": 1.97,
    "NO2": 0.22,
    "NH4": 1.12,
    "NO3": 1.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6292, 58.9715] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "GAK7",
    "water_depth": 247,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "0000",
    "depth": 24.8,
    "PO4": 1.28,
    "SiOH4": 5.76,
    "NO3_NO2": 1.95,
    "NO2": 0.16,
    "NH4": 1.8,
    "NO3": 1.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6292, 58.9715] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "GAK7",
    "water_depth": 247,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "0000",
    "depth": 50.3,
    "PO4": 1.17,
    "SiOH4": 10.73,
    "NO3_NO2": 5.34,
    "NO2": 0.17,
    "NH4": 2.55,
    "NO3": 5.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6292, 58.9715] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "GAK7",
    "water_depth": 247,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "0000",
    "depth": 101.5,
    "PO4": 1.98,
    "SiOH4": 21.95,
    "NO3_NO2": 11.02,
    "NO2": 0.12,
    "NH4": 3.88,
    "NO3": 10.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6292, 58.9715] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "GAK7",
    "water_depth": 247,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "0000",
    "depth": 241.0,
    "PO4": 2.32,
    "SiOH4": 35.12,
    "NO3_NO2": 16.69,
    "NO2": 0.15,
    "NH4": 3.12,
    "NO3": 16.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.492, 58.7892] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 22,
    "stn_id": "GAK8",
    "water_depth": 286,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1710",
    "depth": 3.6,
    "PO4": 1.26,
    "SiOH4": 7.13,
    "NO3_NO2": 3.0,
    "NO2": 0.32,
    "NH4": 1.79,
    "NO3": 2.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.492, 58.7892] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 22,
    "stn_id": "GAK8",
    "water_depth": 286,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1710",
    "depth": 24.9,
    "PO4": 1.05,
    "SiOH4": 7.65,
    "NO3_NO2": 2.97,
    "NO2": 0.3,
    "NH4": 1.36,
    "NO3": 2.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.492, 58.7892] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 22,
    "stn_id": "GAK8",
    "water_depth": 286,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1710",
    "depth": 50.2,
    "PO4": 1.36,
    "SiOH4": 12.2,
    "NO3_NO2": 7.22,
    "NO2": 0.39,
    "NH4": 0.81,
    "NO3": 6.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.492, 58.7892] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 22,
    "stn_id": "GAK8",
    "water_depth": 286,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1710",
    "depth": 75.5,
    "PO4": 1.67,
    "SiOH4": 16.47,
    "NO3_NO2": 10.62,
    "NO2": 0.22,
    "NH4": 2.26,
    "NO3": 10.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.492, 58.7892] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 22,
    "stn_id": "GAK8",
    "water_depth": 286,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1710",
    "depth": 101.7,
    "PO4": 1.69,
    "SiOH4": 17.68,
    "NO3_NO2": 10.88,
    "NO2": 0.15,
    "NH4": 1.99,
    "NO3": 10.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.492, 58.7892] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 22,
    "stn_id": "GAK8",
    "water_depth": 286,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1710",
    "depth": 261.9,
    "PO4": 2.72,
    "SiOH4": 49.9,
    "NO3_NO2": 25.38,
    "NO2": 0.15,
    "NH4": 1.48,
    "NO3": 25.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.421, 58.7433] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1811",
    "depth": 2.1,
    "PO4": 1.3,
    "SiOH4": 8.57,
    "NO3_NO2": 2.86,
    "NO2": 0.25,
    "NH4": 0.97,
    "NO3": 2.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.421, 58.7433] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1811",
    "depth": 25.3,
    "PO4": 1.08,
    "SiOH4": 8.25,
    "NO3_NO2": 3.12,
    "NO2": 0.24,
    "NH4": 1.24,
    "NO3": 2.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.421, 58.7433] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1811",
    "depth": 52.5,
    "PO4": 1.06,
    "SiOH4": 8.35,
    "NO3_NO2": 4.24,
    "NO2": 0.3,
    "NH4": 1.05,
    "NO3": 3.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.421, 58.7433] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1811",
    "depth": 75.1,
    "PO4": 1.3,
    "SiOH4": 13.46,
    "NO3_NO2": 9.91,
    "NO2": 0.24,
    "NH4": 0.99,
    "NO3": 9.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.421, 58.7433] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1811",
    "depth": 100.8,
    "PO4": 1.62,
    "SiOH4": 20.23,
    "NO3_NO2": 13.59,
    "NO2": 0.18,
    "NH4": 1.29,
    "NO3": 13.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.421, 58.7433] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1811",
    "depth": 276.8,
    "PO4": 2.63,
    "SiOH4": 49.66,
    "NO3_NO2": 27.81,
    "NO2": 0.17,
    "NH4": 2.13,
    "NO3": 27.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3535, 58.6783] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 25,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1903",
    "depth": 3.4,
    "PO4": 1.09,
    "SiOH4": 7.5,
    "NO3_NO2": 2.72,
    "NO2": 0.23,
    "NH4": 1.25,
    "NO3": 2.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3535, 58.6783] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 25,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1903",
    "depth": 25.2,
    "PO4": 0.82,
    "SiOH4": 5.52,
    "NO3_NO2": 2.98,
    "NO2": 0.18,
    "NH4": 0.66,
    "NO3": 2.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3535, 58.6783] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 25,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1903",
    "depth": 49.5,
    "PO4": 1.22,
    "SiOH4": 16.6,
    "NO3_NO2": 11.22,
    "NO2": 0.17,
    "NH4": 1.0,
    "NO3": 11.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3535, 58.6783] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 25,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1903",
    "depth": 103.9,
    "PO4": 2.06,
    "SiOH4": 42.0,
    "NO3_NO2": 24.3,
    "NO2": 0.17,
    "NH4": 1.6,
    "NO3": 24.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3535, 58.6783] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 25,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1903",
    "depth": 267.4,
    "PO4": 1.97,
    "SiOH4": 43.36,
    "NO3_NO2": 14.92,
    "NO2": 0.12,
    "NH4": 2.23,
    "NO3": 14.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2841, 58.6282] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 27,
    "stn_id": "GAK9I",
    "water_depth": 600,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2024",
    "depth": 3.2,
    "PO4": 1.07,
    "SiOH4": 9.82,
    "NO3_NO2": 2.15,
    "NO2": 0.22,
    "NH4": 1.47,
    "NO3": 1.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2841, 58.6282] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 27,
    "stn_id": "GAK9I",
    "water_depth": 600,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2024",
    "depth": 25.8,
    "PO4": 0.82,
    "SiOH4": 8.95,
    "NO3_NO2": 2.13,
    "NO2": 0.22,
    "NH4": 0.71,
    "NO3": 1.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2841, 58.6282] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 27,
    "stn_id": "GAK9I",
    "water_depth": 600,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2024",
    "depth": 50.2,
    "PO4": 0.98,
    "SiOH4": 13.92,
    "NO3_NO2": 6.87,
    "NO2": 0.52,
    "NH4": 1.17,
    "NO3": 6.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2841, 58.6282] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 27,
    "stn_id": "GAK9I",
    "water_depth": 600,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2024",
    "depth": 102.0,
    "PO4": 1.51,
    "SiOH4": 22.92,
    "NO3_NO2": 10.6,
    "NO2": 0.12,
    "NH4": 0.08,
    "NO3": 10.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2841, 58.6282] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 27,
    "stn_id": "GAK9I",
    "water_depth": 600,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2024",
    "depth": 150.1,
    "PO4": 2.12,
    "SiOH4": 38.17,
    "NO3_NO2": 18.08,
    "NO2": 0.12,
    "NH4": 1.2,
    "NO3": 17.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2841, 58.6282] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 27,
    "stn_id": "GAK9I",
    "water_depth": 600,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2024",
    "depth": 495.6,
    "PO4": 3.04,
    "SiOH4": 57.46,
    "NO3_NO2": 25.56,
    "NO2": 0.12,
    "NH4": 0.61,
    "NO3": 25.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8686, 59.4497] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 28,
    "stn_id": "CF15",
    "water_depth": 184,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "1736",
    "depth": 3.3,
    "PO4": 1.24,
    "SiOH4": 8.07,
    "NO3_NO2": 3.04,
    "NO2": 0.4,
    "NH4": 1.19,
    "NO3": 2.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8686, 59.4497] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 28,
    "stn_id": "CF15",
    "water_depth": 184,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "1736",
    "depth": 10.8,
    "PO4": 0.85,
    "SiOH4": 8.03,
    "NO3_NO2": 3.02,
    "NO2": 0.3,
    "NH4": 1.62,
    "NO3": 2.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8686, 59.4497] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 28,
    "stn_id": "CF15",
    "water_depth": 184,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "1736",
    "depth": 25.1,
    "PO4": 0.75,
    "SiOH4": 7.99,
    "NO3_NO2": 3.0,
    "NO2": 0.29,
    "NH4": 0.2,
    "NO3": 2.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8686, 59.4497] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 28,
    "stn_id": "CF15",
    "water_depth": 184,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "1736",
    "depth": 50.9,
    "PO4": 0.76,
    "SiOH4": 7.26,
    "NO3_NO2": 3.23,
    "NO2": 0.31,
    "NH4": 0.42,
    "NO3": 2.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8686, 59.4497] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 28,
    "stn_id": "CF15",
    "water_depth": 184,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "1736",
    "depth": 101.1,
    "PO4": 1.17,
    "SiOH4": 23.07,
    "NO3_NO2": 10.96,
    "NO2": 0.1,
    "NH4": 0.19,
    "NO3": 10.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8686, 59.4497] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 28,
    "stn_id": "CF15",
    "water_depth": 184,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "1736",
    "depth": 177.2,
    "PO4": 1.73,
    "SiOH4": 32.21,
    "NO3_NO2": 15.69,
    "NO2": 0.21,
    "NH4": 0.74,
    "NO3": 15.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8713, 59.5167] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 30,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "1848",
    "depth": 3.0,
    "PO4": 0.88,
    "SiOH4": 6.31,
    "NO3_NO2": 2.67,
    "NO2": 0.49,
    "NH4": 0.92,
    "NO3": 2.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8713, 59.5167] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 30,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "1848",
    "depth": 10.7,
    "PO4": 0.64,
    "SiOH4": 5.58,
    "NO3_NO2": 2.15,
    "NO2": 0.42,
    "NH4": 1.75,
    "NO3": 1.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8713, 59.5167] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 30,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "1848",
    "depth": 25.8,
    "PO4": 0.58,
    "SiOH4": 7.63,
    "NO3_NO2": 3.38,
    "NO2": 0.64,
    "NH4": 1.52,
    "NO3": 2.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8713, 59.5167] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 30,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "1848",
    "depth": 49.4,
    "PO4": 0.74,
    "SiOH4": 10.65,
    "NO3_NO2": 5.62,
    "NO2": 0.69,
    "NH4": 0.97,
    "NO3": 4.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8713, 59.5167] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 30,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "1848",
    "depth": 101.1,
    "PO4": 1.11,
    "SiOH4": 19.65,
    "NO3_NO2": 10.6,
    "NO2": 0.17,
    "NH4": 0.9,
    "NO3": 10.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8713, 59.5167] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 30,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "1848",
    "depth": 168.0,
    "PO4": 1.51,
    "SiOH4": 32.12,
    "NO3_NO2": 15.83,
    "NO2": 0.19,
    "NH4": 1.53,
    "NO3": 15.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8695, 59.5836] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 32,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "1950",
    "depth": 3.1,
    "PO4": null,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": null,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8695, 59.5836] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 32,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "1950",
    "depth": 10.2,
    "PO4": 0.84,
    "SiOH4": 6.61,
    "NO3_NO2": 2.79,
    "NO2": 0.57,
    "NH4": 1.89,
    "NO3": 2.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8695, 59.5836] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 32,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "1950",
    "depth": 25.1,
    "PO4": 0.64,
    "SiOH4": 6.85,
    "NO3_NO2": 3.27,
    "NO2": 0.61,
    "NH4": 0.96,
    "NO3": 2.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8695, 59.5836] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 32,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "1950",
    "depth": 50.0,
    "PO4": 1.13,
    "SiOH4": 10.62,
    "NO3_NO2": 3.84,
    "NO2": 0.68,
    "NH4": 2.66,
    "NO3": 3.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8695, 59.5836] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 32,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "1950",
    "depth": 102.3,
    "PO4": 1.38,
    "SiOH4": 17.49,
    "NO3_NO2": 5.69,
    "NO2": 0.21,
    "NH4": 2.45,
    "NO3": 5.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8695, 59.5836] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 32,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "1950",
    "depth": 175.2,
    "PO4": 1.86,
    "SiOH4": 33.95,
    "NO3_NO2": 10.07,
    "NO2": 0.19,
    "NH4": 1.59,
    "NO3": 9.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.6515] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 34,
    "stn_id": "CF9",
    "water_depth": 179,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2055",
    "depth": 3.8,
    "PO4": 1.06,
    "SiOH4": 7.03,
    "NO3_NO2": 1.76,
    "NO2": 0.38,
    "NH4": 1.47,
    "NO3": 1.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.6515] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 34,
    "stn_id": "CF9",
    "water_depth": 179,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2055",
    "depth": 10.3,
    "PO4": 1.12,
    "SiOH4": 8.2,
    "NO3_NO2": 2.15,
    "NO2": 0.4,
    "NH4": 1.59,
    "NO3": 1.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.6515] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 34,
    "stn_id": "CF9",
    "water_depth": 179,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2055",
    "depth": 25.7,
    "PO4": 0.85,
    "SiOH4": 9.36,
    "NO3_NO2": 2.19,
    "NO2": 0.66,
    "NH4": 0.74,
    "NO3": 1.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.6515] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 34,
    "stn_id": "CF9",
    "water_depth": 179,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2055",
    "depth": 50.6,
    "PO4": 0.95,
    "SiOH4": 9.42,
    "NO3_NO2": 3.67,
    "NO2": 0.19,
    "NH4": 0.74,
    "NO3": 3.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.6515] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 34,
    "stn_id": "CF9",
    "water_depth": 179,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2055",
    "depth": 101.8,
    "PO4": 1.26,
    "SiOH4": 16.14,
    "NO3_NO2": 6.24,
    "NO2": 0.22,
    "NH4": 1.02,
    "NO3": 6.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.6515] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 34,
    "stn_id": "CF9",
    "water_depth": 179,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2055",
    "depth": 177.5,
    "PO4": 1.93,
    "SiOH4": 35.8,
    "NO3_NO2": 11.53,
    "NO2": 0.41,
    "NH4": 1.02,
    "NO3": 11.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.7153] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 36,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2155",
    "depth": 2.9,
    "PO4": 1.26,
    "SiOH4": 8.19,
    "NO3_NO2": 2.31,
    "NO2": 0.51,
    "NH4": 1.27,
    "NO3": 1.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.7153] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 36,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2155",
    "depth": 10.5,
    "PO4": 1.12,
    "SiOH4": 6.99,
    "NO3_NO2": 2.34,
    "NO2": 0.51,
    "NH4": 1.14,
    "NO3": 1.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.7153] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 36,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2155",
    "depth": 25.1,
    "PO4": 1.01,
    "SiOH4": 6.91,
    "NO3_NO2": 2.37,
    "NO2": 0.71,
    "NH4": 1.84,
    "NO3": 1.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.7153] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 36,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2155",
    "depth": 49.7,
    "PO4": 1.13,
    "SiOH4": 9.33,
    "NO3_NO2": 4.04,
    "NO2": 0.21,
    "NH4": 2.57,
    "NO3": 3.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.7153] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 36,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2155",
    "depth": 99.8,
    "PO4": 0.86,
    "SiOH4": 12.58,
    "NO3_NO2": 10.87,
    "NO2": 0.24,
    "NH4": 0.03,
    "NO3": 10.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.7153] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 36,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2155",
    "depth": 179.5,
    "PO4": 2.1,
    "SiOH4": 39.27,
    "NO3_NO2": 13.14,
    "NO2": 0.5,
    "NH4": 0.94,
    "NO3": 12.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8663, 59.7827] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 38,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2303",
    "depth": 2.2,
    "PO4": 1.4,
    "SiOH4": 7.49,
    "NO3_NO2": 2.47,
    "NO2": 0.6,
    "NH4": 2.41,
    "NO3": 1.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8663, 59.7827] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 38,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2303",
    "depth": 10.9,
    "PO4": 1.24,
    "SiOH4": 7.4,
    "NO3_NO2": 2.68,
    "NO2": 0.52,
    "NH4": 0.74,
    "NO3": 2.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8663, 59.7827] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 38,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2303",
    "depth": 25.3,
    "PO4": 1.28,
    "SiOH4": 7.46,
    "NO3_NO2": 2.71,
    "NO2": 0.61,
    "NH4": 1.18,
    "NO3": 2.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8663, 59.7827] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 38,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2303",
    "depth": 51.8,
    "PO4": 1.31,
    "SiOH4": 8.9,
    "NO3_NO2": 4.02,
    "NO2": 0.22,
    "NH4": 0.78,
    "NO3": 3.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8663, 59.7827] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 38,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2303",
    "depth": 100.4,
    "PO4": 0.88,
    "SiOH4": 15.38,
    "NO3_NO2": 12.77,
    "NO2": 0.29,
    "NH4": 0.35,
    "NO3": 12.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8663, 59.7827] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 38,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2303",
    "depth": 191.9,
    "PO4": 2.13,
    "SiOH4": 37.46,
    "NO3_NO2": 13.48,
    "NO2": 0.69,
    "NH4": 1.06,
    "NO3": 12.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8708, 59.8496] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 40,
    "stn_id": "CF3",
    "water_depth": 159,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0005",
    "depth": 3.6,
    "PO4": 0.32,
    "SiOH4": 14.11,
    "NO3_NO2": 1.37,
    "NO2": 0.54,
    "NH4": 0.7,
    "NO3": 0.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8708, 59.8496] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 40,
    "stn_id": "CF3",
    "water_depth": 159,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0005",
    "depth": 10.5,
    "PO4": 0.29,
    "SiOH4": 14.07,
    "NO3_NO2": 1.14,
    "NO2": 0.55,
    "NH4": 1.15,
    "NO3": 0.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8708, 59.8496] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 40,
    "stn_id": "CF3",
    "water_depth": 159,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0005",
    "depth": 24.4,
    "PO4": null,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": null,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8708, 59.8496] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 40,
    "stn_id": "CF3",
    "water_depth": 159,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0005",
    "depth": 50.6,
    "PO4": 0.31,
    "SiOH4": 14.93,
    "NO3_NO2": 1.8,
    "NO2": 0.63,
    "NH4": 2.34,
    "NO3": 1.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8708, 59.8496] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 40,
    "stn_id": "CF3",
    "water_depth": 159,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0005",
    "depth": 101.2,
    "PO4": 0.83,
    "SiOH4": 19.87,
    "NO3_NO2": 9.36,
    "NO2": 0.28,
    "NH4": 2.41,
    "NO3": 9.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8708, 59.8496] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 40,
    "stn_id": "CF3",
    "water_depth": 159,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0005",
    "depth": 156.6,
    "PO4": 0.99,
    "SiOH4": 21.61,
    "NO3_NO2": 10.01,
    "NO2": 0.29,
    "NH4": 2.45,
    "NO3": 9.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.9084] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 42,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0059",
    "depth": 2.8,
    "PO4": 0.34,
    "SiOH4": 5.94,
    "NO3_NO2": 0.67,
    "NO2": 0.48,
    "NH4": 2.97,
    "NO3": 0.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.9084] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 42,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0059",
    "depth": 10.2,
    "PO4": 0.24,
    "SiOH4": 5.91,
    "NO3_NO2": 0.73,
    "NO2": 0.47,
    "NH4": 3.6,
    "NO3": 0.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.9084] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 42,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0059",
    "depth": 30.1,
    "PO4": 0.25,
    "SiOH4": 5.16,
    "NO3_NO2": 0.72,
    "NO2": 0.7,
    "NH4": 1.56,
    "NO3": 0.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.9084] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 42,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0059",
    "depth": 40.5,
    "PO4": null,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": null,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.9084] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 42,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0059",
    "depth": 52.6,
    "PO4": 0.26,
    "SiOH4": 5.49,
    "NO3_NO2": 0.72,
    "NO2": 0.68,
    "NH4": 1.66,
    "NO3": 0.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.9084] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 42,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0059",
    "depth": 79.6,
    "PO4": 0.37,
    "SiOH4": 7.76,
    "NO3_NO2": 2.1,
    "NO2": 0.55,
    "NH4": 1.06,
    "NO3": 1.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4674, 59.847] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 43,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2033",
    "depth": 3.3,
    "PO4": null,
    "SiOH4": 7.31,
    "NO3_NO2": 2.15,
    "NO2": null,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4674, 59.847] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 43,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2033",
    "depth": 25.1,
    "PO4": 0.22,
    "SiOH4": 5.42,
    "NO3_NO2": 0.48,
    "NO2": 0.32,
    "NH4": 1.02,
    "NO3": 0.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4674, 59.847] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 43,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2033",
    "depth": 50.4,
    "PO4": 0.25,
    "SiOH4": 5.92,
    "NO3_NO2": 1.06,
    "NO2": 0.45,
    "NH4": 0.63,
    "NO3": 0.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4674, 59.847] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 43,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2033",
    "depth": 102.7,
    "PO4": 0.76,
    "SiOH4": 16.54,
    "NO3_NO2": 6.49,
    "NO2": 0.17,
    "NH4": 0.03,
    "NO3": 6.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4674, 59.847] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 43,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2033",
    "depth": 249.7,
    "PO4": 1.49,
    "SiOH4": 39.42,
    "NO3_NO2": 13.09,
    "NO2": 0.17,
    "NH4": 0.34,
    "NO3": 12.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.398, 59.7658] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 45,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2149",
    "depth": 3.6,
    "PO4": 0.37,
    "SiOH4": 5.99,
    "NO3_NO2": 0.44,
    "NO2": 0.24,
    "NH4": 0.69,
    "NO3": 0.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.398, 59.7658] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 45,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2149",
    "depth": 10.9,
    "PO4": 0.21,
    "SiOH4": 6.13,
    "NO3_NO2": 0.44,
    "NO2": 0.42,
    "NH4": 1.15,
    "NO3": 0.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.398, 59.7658] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 45,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2149",
    "depth": 25.6,
    "PO4": 0.17,
    "SiOH4": 5.92,
    "NO3_NO2": 0.5,
    "NO2": 0.45,
    "NH4": 2.17,
    "NO3": 0.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.398, 59.7658] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 45,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2149",
    "depth": 49.2,
    "PO4": 0.28,
    "SiOH4": 6.6,
    "NO3_NO2": 0.93,
    "NO2": 0.64,
    "NH4": 2.83,
    "NO3": 0.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.398, 59.7658] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 45,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2149",
    "depth": 100.5,
    "PO4": 0.63,
    "SiOH4": 14.38,
    "NO3_NO2": 5.33,
    "NO2": 0.14,
    "NH4": 2.02,
    "NO3": 5.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.398, 59.7658] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 45,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2149",
    "depth": 259.1,
    "PO4": 1.45,
    "SiOH4": 42.05,
    "NO3_NO2": 12.68,
    "NO2": 0.14,
    "NH4": 1.74,
    "NO3": 12.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3289, 59.6898] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 46,
    "stn_id": "GAK2",
    "water_depth": 228,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2238",
    "depth": 3.4,
    "PO4": 0.38,
    "SiOH4": 5.43,
    "NO3_NO2": 0.54,
    "NO2": 0.48,
    "NH4": 1.17,
    "NO3": 0.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3289, 59.6898] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 46,
    "stn_id": "GAK2",
    "water_depth": 228,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2238",
    "depth": 25.1,
    "PO4": 0.22,
    "SiOH4": 5.4,
    "NO3_NO2": 0.46,
    "NO2": 0.41,
    "NH4": 0.43,
    "NO3": 0.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3289, 59.6898] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 46,
    "stn_id": "GAK2",
    "water_depth": 228,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2238",
    "depth": 50.7,
    "PO4": 0.34,
    "SiOH4": 6.61,
    "NO3_NO2": 1.18,
    "NO2": 0.52,
    "NH4": 0.35,
    "NO3": 0.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3289, 59.6898] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 46,
    "stn_id": "GAK2",
    "water_depth": 228,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2238",
    "depth": 100.9,
    "PO4": 0.87,
    "SiOH4": 13.78,
    "NO3_NO2": 4.25,
    "NO2": 0.11,
    "NH4": 1.09,
    "NO3": 4.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3289, 59.6898] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 46,
    "stn_id": "GAK2",
    "water_depth": 228,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2238",
    "depth": 225.3,
    "PO4": 1.66,
    "SiOH4": 41.05,
    "NO3_NO2": 10.77,
    "NO2": 0.18,
    "NH4": 0.2,
    "NO3": 10.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2617, 59.6244] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 47,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2328",
    "depth": 3.3,
    "PO4": 0.48,
    "SiOH4": 4.74,
    "NO3_NO2": 0.47,
    "NO2": 0.43,
    "NH4": 0.13,
    "NO3": 0.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2617, 59.6244] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 47,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2328",
    "depth": 9.4,
    "PO4": 0.3,
    "SiOH4": 4.66,
    "NO3_NO2": 0.45,
    "NO2": 0.4,
    "NH4": 0.09,
    "NO3": 0.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2617, 59.6244] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 47,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2328",
    "depth": 25.7,
    "PO4": 0.29,
    "SiOH4": 4.93,
    "NO3_NO2": 0.51,
    "NO2": 0.44,
    "NH4": 0.65,
    "NO3": 0.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2617, 59.6244] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 47,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2328",
    "depth": 50.1,
    "PO4": 0.36,
    "SiOH4": 5.92,
    "NO3_NO2": 0.86,
    "NO2": 0.57,
    "NH4": 0.75,
    "NO3": 0.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2617, 59.6244] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 47,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2328",
    "depth": 98.8,
    "PO4": 0.6,
    "SiOH4": 10.99,
    "NO3_NO2": 3.34,
    "NO2": 0.28,
    "NH4": 0.75,
    "NO3": 3.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2617, 59.6244] },
  "properties": {
    "cruise_id": "HX215",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 47,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2328",
    "depth": 212.5,
    "PO4": 1.34,
    "SiOH4": 35.96,
    "NO3_NO2": 10.23,
    "NO2": 0.29,
    "NH4": 0.67,
    "NO3": 9.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3585, 60.0239] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "RES2.5",
    "water_depth": 299,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2014",
    "depth": 0.0,
    "PO4": 1.51,
    "SiOH4": 9.73,
    "NO3_NO2": 7.27,
    "NO2": 0.28,
    "NH4": 0.43,
    "NO3": 6.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3585, 60.0239] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "RES2.5",
    "water_depth": 299,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2014",
    "depth": 10.0,
    "PO4": 1.26,
    "SiOH4": 9.32,
    "NO3_NO2": 7.32,
    "NO2": 0.28,
    "NH4": 0.18,
    "NO3": 7.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3585, 60.0239] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "RES2.5",
    "water_depth": 299,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2014",
    "depth": 20.0,
    "PO4": 1.24,
    "SiOH4": 9.11,
    "NO3_NO2": 7.14,
    "NO2": 0.26,
    "NH4": 0.49,
    "NO3": 6.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3585, 60.0239] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "RES2.5",
    "water_depth": 299,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2014",
    "depth": 30.0,
    "PO4": 1.17,
    "SiOH4": 9.1,
    "NO3_NO2": 7.32,
    "NO2": 0.23,
    "NH4": 0.39,
    "NO3": 7.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3585, 60.0239] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "RES2.5",
    "water_depth": 299,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2014",
    "depth": 50.0,
    "PO4": 1.15,
    "SiOH4": 9.29,
    "NO3_NO2": 7.6,
    "NO2": 0.03,
    "NH4": 0.02,
    "NO3": 7.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3585, 60.0239] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "RES2.5",
    "water_depth": 299,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2014",
    "depth": 100.0,
    "PO4": 1.28,
    "SiOH4": 10.87,
    "NO3_NO2": 8.65,
    "NO2": 0.16,
    "NH4": 0.11,
    "NO3": 8.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3585, 60.0239] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "RES2.5",
    "water_depth": 299,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2014",
    "depth": 150.0,
    "PO4": 1.44,
    "SiOH4": 11.65,
    "NO3_NO2": 9.75,
    "NO2": 0.16,
    "NH4": 0.04,
    "NO3": 9.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3585, 60.0239] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "RES2.5",
    "water_depth": 299,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2014",
    "depth": 200.0,
    "PO4": 2.34,
    "SiOH4": 23.17,
    "NO3_NO2": 18.53,
    "NO2": 0.08,
    "NH4": 0.03,
    "NO3": 18.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3585, 60.0239] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 2,
    "stn_id": "RES2.5",
    "water_depth": 299,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2014",
    "depth": 294.0,
    "PO4": 3.29,
    "SiOH4": 34.28,
    "NO3_NO2": 23.12,
    "NO2": 0.26,
    "NH4": 0.01,
    "NO3": 22.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4691, 59.8432] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0300",
    "depth": 0.0,
    "PO4": 1.44,
    "SiOH4": 9.24,
    "NO3_NO2": 6.54,
    "NO2": 0.23,
    "NH4": 0.02,
    "NO3": 6.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4691, 59.8432] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0300",
    "depth": 10.0,
    "PO4": 1.18,
    "SiOH4": 9.23,
    "NO3_NO2": 6.31,
    "NO2": 0.27,
    "NH4": 0.02,
    "NO3": 6.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4691, 59.8432] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0300",
    "depth": 20.0,
    "PO4": 1.11,
    "SiOH4": 9.02,
    "NO3_NO2": 6.19,
    "NO2": 0.27,
    "NH4": 0.02,
    "NO3": 5.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4691, 59.8432] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0300",
    "depth": 30.0,
    "PO4": 0.96,
    "SiOH4": 9.01,
    "NO3_NO2": 6.13,
    "NO2": 0.18,
    "NH4": 0.13,
    "NO3": 5.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4691, 59.8432] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0300",
    "depth": 50.0,
    "PO4": 1.02,
    "SiOH4": 9.79,
    "NO3_NO2": 6.36,
    "NO2": 0.23,
    "NH4": 0.15,
    "NO3": 6.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4691, 59.8432] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0300",
    "depth": 100.0,
    "PO4": 1.06,
    "SiOH4": 10.98,
    "NO3_NO2": 6.7,
    "NO2": 0.25,
    "NH4": 0.67,
    "NO3": 6.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4691, 59.8432] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0300",
    "depth": 200.0,
    "PO4": 1.45,
    "SiOH4": 16.53,
    "NO3_NO2": 11.18,
    "NO2": 0.22,
    "NH4": 0.0,
    "NO3": 10.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4691, 59.8432] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0300",
    "depth": 250.0,
    "PO4": 2.58,
    "SiOH4": 35.2,
    "NO3_NO2": 19.66,
    "NO2": 0.22,
    "NH4": 0.23,
    "NO3": 19.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4691, 59.8432] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0300",
    "depth": 262.0,
    "PO4": 2.82,
    "SiOH4": 36.38,
    "NO3_NO2": 19.72,
    "NO2": 0.1,
    "NH4": 0.29,
    "NO3": 19.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3988, 59.765] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 263,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0545",
    "depth": 0.0,
    "PO4": 1.26,
    "SiOH4": 9.75,
    "NO3_NO2": 5.76,
    "NO2": 0.25,
    "NH4": 0.34,
    "NO3": 5.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3988, 59.765] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 263,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0545",
    "depth": 10.0,
    "PO4": 0.96,
    "SiOH4": 10.25,
    "NO3_NO2": 7.68,
    "NO2": 0.2,
    "NH4": 1.07,
    "NO3": 7.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3988, 59.765] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 263,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0545",
    "depth": 20.0,
    "PO4": 0.88,
    "SiOH4": 10.21,
    "NO3_NO2": 7.73,
    "NO2": 0.21,
    "NH4": 0.6,
    "NO3": 7.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3988, 59.765] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 263,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0545",
    "depth": 20.0,
    "PO4": 0.9,
    "SiOH4": 10.38,
    "NO3_NO2": 8.02,
    "NO2": 0.21,
    "NH4": 0.46,
    "NO3": 7.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3988, 59.765] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 263,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0545",
    "depth": 30.0,
    "PO4": 0.89,
    "SiOH4": 10.56,
    "NO3_NO2": 7.95,
    "NO2": 0.21,
    "NH4": 0.51,
    "NO3": 7.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3988, 59.765] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 263,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0545",
    "depth": 40.0,
    "PO4": 0.83,
    "SiOH4": 10.74,
    "NO3_NO2": 7.83,
    "NO2": 0.22,
    "NH4": 0.11,
    "NO3": 7.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3988, 59.765] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 263,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0545",
    "depth": 50.0,
    "PO4": 0.88,
    "SiOH4": 11.57,
    "NO3_NO2": 7.83,
    "NO2": 0.2,
    "NH4": 0.01,
    "NO3": 7.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3988, 59.765] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 263,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0545",
    "depth": 100.0,
    "PO4": 1.04,
    "SiOH4": 13.06,
    "NO3_NO2": 8.64,
    "NO2": 0.21,
    "NH4": 0.23,
    "NO3": 8.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3988, 59.765] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 263,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0545",
    "depth": 200.0,
    "PO4": 1.61,
    "SiOH4": 20.9,
    "NO3_NO2": 14.86,
    "NO2": 0.21,
    "NH4": 0.57,
    "NO3": 14.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3988, 59.765] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 263,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0545",
    "depth": 256.0,
    "PO4": 2.24,
    "SiOH4": 34.44,
    "NO3_NO2": 19.98,
    "NO2": 0.31,
    "NH4": 0.46,
    "NO3": 19.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3292, 59.6887] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 229,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0634",
    "depth": 0.0,
    "PO4": 1.02,
    "SiOH4": 10.09,
    "NO3_NO2": 6.3,
    "NO2": 0.31,
    "NH4": 0.49,
    "NO3": 5.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3292, 59.6887] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 229,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0634",
    "depth": 10.0,
    "PO4": 0.82,
    "SiOH4": 9.39,
    "NO3_NO2": 5.36,
    "NO2": 0.23,
    "NH4": 0.05,
    "NO3": 5.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3292, 59.6887] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 229,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0634",
    "depth": 20.0,
    "PO4": 0.79,
    "SiOH4": 10.01,
    "NO3_NO2": 5.77,
    "NO2": 0.31,
    "NH4": 0.31,
    "NO3": 5.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3292, 59.6887] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 229,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0634",
    "depth": 30.0,
    "PO4": 0.72,
    "SiOH4": 9.31,
    "NO3_NO2": 5.12,
    "NO2": 0.25,
    "NH4": 0.45,
    "NO3": 4.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3292, 59.6887] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 229,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0634",
    "depth": 40.0,
    "PO4": 0.74,
    "SiOH4": 8.83,
    "NO3_NO2": 4.88,
    "NO2": 0.25,
    "NH4": 0.17,
    "NO3": 4.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3292, 59.6887] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 229,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0634",
    "depth": 50.0,
    "PO4": 0.77,
    "SiOH4": 9.44,
    "NO3_NO2": 5.29,
    "NO2": 0.02,
    "NH4": 0.29,
    "NO3": 5.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3292, 59.6887] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 229,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0634",
    "depth": 100.0,
    "PO4": 0.87,
    "SiOH4": 10.71,
    "NO3_NO2": 6.04,
    "NO2": 0.04,
    "NH4": 0.12,
    "NO3": 6.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3292, 59.6887] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 229,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0634",
    "depth": 150.0,
    "PO4": 1.16,
    "SiOH4": 14.17,
    "NO3_NO2": 8.65,
    "NO2": 0.08,
    "NH4": 0.42,
    "NO3": 8.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3292, 59.6887] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 229,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0634",
    "depth": 192.0,
    "PO4": 1.61,
    "SiOH4": 20.7,
    "NO3_NO2": 12.84,
    "NO2": 0.08,
    "NH4": 0.65,
    "NO3": 12.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2606, 59.6241] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0726",
    "depth": 0.0,
    "PO4": 0.85,
    "SiOH4": 7.3,
    "NO3_NO2": 3.93,
    "NO2": 0.03,
    "NH4": 0.09,
    "NO3": 3.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2606, 59.6241] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0726",
    "depth": 10.0,
    "PO4": 0.81,
    "SiOH4": 7.48,
    "NO3_NO2": 3.93,
    "NO2": 0.05,
    "NH4": 0.34,
    "NO3": 3.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2606, 59.6241] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0726",
    "depth": 20.0,
    "PO4": 0.78,
    "SiOH4": 7.44,
    "NO3_NO2": 3.92,
    "NO2": 0.06,
    "NH4": 0.5,
    "NO3": 3.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2606, 59.6241] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0726",
    "depth": 30.0,
    "PO4": 0.81,
    "SiOH4": 9.58,
    "NO3_NO2": 5.14,
    "NO2": 0.09,
    "NH4": 0.51,
    "NO3": 5.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2606, 59.6241] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0726",
    "depth": 40.0,
    "PO4": 0.82,
    "SiOH4": 9.54,
    "NO3_NO2": 5.08,
    "NO2": 0.2,
    "NH4": 0.33,
    "NO3": 4.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2606, 59.6241] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0726",
    "depth": 50.0,
    "PO4": 0.81,
    "SiOH4": 9.06,
    "NO3_NO2": 4.84,
    "NO2": 0.11,
    "NH4": 0.29,
    "NO3": 4.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2606, 59.6241] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0726",
    "depth": 100.0,
    "PO4": 0.79,
    "SiOH4": 9.24,
    "NO3_NO2": 4.95,
    "NO2": 0.11,
    "NH4": 0.29,
    "NO3": 4.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2606, 59.6241] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0726",
    "depth": 150.0,
    "PO4": 1.53,
    "SiOH4": 16.62,
    "NO3_NO2": 7.62,
    "NO2": 0.14,
    "NH4": 0.66,
    "NO3": 7.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2606, 59.6241] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0726",
    "depth": 200.0,
    "PO4": 1.76,
    "SiOH4": 24.69,
    "NO3_NO2": 10.23,
    "NO2": 0.18,
    "NH4": 0.79,
    "NO3": 10.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2606, 59.6241] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 6,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0726",
    "depth": 214.0,
    "PO4": null,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": null,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.19, 59.55] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0852",
    "depth": 0.0,
    "PO4": 1.21,
    "SiOH4": 10.85,
    "NO3_NO2": 4.4,
    "NO2": 0.2,
    "NH4": 0.57,
    "NO3": 4.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.19, 59.55] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0852",
    "depth": 10.0,
    "PO4": 0.99,
    "SiOH4": 8.19,
    "NO3_NO2": 3.34,
    "NO2": 0.13,
    "NH4": 0.48,
    "NO3": 3.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.19, 59.55] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0852",
    "depth": 20.0,
    "PO4": 0.99,
    "SiOH4": 7.95,
    "NO3_NO2": 3.22,
    "NO2": 0.13,
    "NH4": 0.39,
    "NO3": 3.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.19, 59.55] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0852",
    "depth": 30.0,
    "PO4": 0.87,
    "SiOH4": 8.8,
    "NO3_NO2": 3.44,
    "NO2": 0.14,
    "NH4": 0.41,
    "NO3": 3.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.19, 59.55] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0852",
    "depth": 40.0,
    "PO4": 0.87,
    "SiOH4": 9.43,
    "NO3_NO2": 3.67,
    "NO2": 0.19,
    "NH4": 0.96,
    "NO3": 3.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.19, 59.55] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0852",
    "depth": 50.0,
    "PO4": 1.5,
    "SiOH4": 15.32,
    "NO3_NO2": 6.4,
    "NO2": 0.19,
    "NH4": 0.36,
    "NO3": 6.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.19, 59.55] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0852",
    "depth": 100.0,
    "PO4": 1.6,
    "SiOH4": 22.3,
    "NO3_NO2": 9.07,
    "NO2": 0.12,
    "NH4": 0.39,
    "NO3": 8.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.19, 59.55] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0852",
    "depth": 150.0,
    "PO4": 1.6,
    "SiOH4": 19.43,
    "NO3_NO2": 8.48,
    "NO2": 0.12,
    "NH4": 0.21,
    "NO3": 8.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.19, 59.55] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 7,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0852",
    "depth": 211.0,
    "PO4": 2.1,
    "SiOH4": 25.1,
    "NO3_NO2": 11.03,
    "NO2": 0.33,
    "NH4": 1.02,
    "NO3": 10.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1177, 59.4802] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 9,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1043",
    "depth": 0.0,
    "PO4": 1.36,
    "SiOH4": 12.37,
    "NO3_NO2": 4.63,
    "NO2": 0.18,
    "NH4": 0.77,
    "NO3": 4.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1177, 59.4802] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 9,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1043",
    "depth": 10.0,
    "PO4": 1.06,
    "SiOH4": 9.72,
    "NO3_NO2": 3.69,
    "NO2": 0.14,
    "NH4": 0.09,
    "NO3": 3.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1177, 59.4802] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 9,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1043",
    "depth": 20.0,
    "PO4": 1.06,
    "SiOH4": 11.01,
    "NO3_NO2": 4.09,
    "NO2": 0.2,
    "NH4": 0.4,
    "NO3": 3.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1177, 59.4802] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 9,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1043",
    "depth": 30.0,
    "PO4": 1.01,
    "SiOH4": 10.76,
    "NO3_NO2": 3.91,
    "NO2": 0.14,
    "NH4": 0.74,
    "NO3": 3.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1177, 59.4802] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 9,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1043",
    "depth": 40.0,
    "PO4": 0.99,
    "SiOH4": 9.64,
    "NO3_NO2": 3.49,
    "NO2": 0.19,
    "NH4": 0.52,
    "NO3": 3.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1177, 59.4802] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 9,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1043",
    "depth": 50.0,
    "PO4": 0.96,
    "SiOH4": 10.06,
    "NO3_NO2": 3.6,
    "NO2": 0.15,
    "NH4": 0.44,
    "NO3": 3.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1177, 59.4802] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 9,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1043",
    "depth": 100.0,
    "PO4": 1.17,
    "SiOH4": 12.88,
    "NO3_NO2": 4.88,
    "NO2": 0.16,
    "NH4": 0.22,
    "NO3": 4.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1177, 59.4802] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 9,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1043",
    "depth": 150.0,
    "PO4": 1.52,
    "SiOH4": 18.76,
    "NO3_NO2": 7.95,
    "NO2": 0.12,
    "NH4": 0.59,
    "NO3": 7.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1177, 59.4802] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 9,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1043",
    "depth": 200.0,
    "PO4": 1.75,
    "SiOH4": 24.65,
    "NO3_NO2": 10.22,
    "NO2": 0.16,
    "NH4": 0.44,
    "NO3": 10.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0475, 59.4074] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1139",
    "depth": 0.0,
    "PO4": 1.18,
    "SiOH4": 9.08,
    "NO3_NO2": 3.63,
    "NO2": 0.26,
    "NH4": 0.74,
    "NO3": 3.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0475, 59.4074] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1139",
    "depth": 10.0,
    "PO4": 1.27,
    "SiOH4": 15.19,
    "NO3_NO2": 5.26,
    "NO2": 0.26,
    "NH4": 0.84,
    "NO3": 5.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0475, 59.4074] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1139",
    "depth": 20.0,
    "PO4": 1.1,
    "SiOH4": 10.56,
    "NO3_NO2": 4.09,
    "NO2": 0.26,
    "NH4": 0.54,
    "NO3": 3.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0475, 59.4074] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1139",
    "depth": 30.0,
    "PO4": 1.0,
    "SiOH4": 9.88,
    "NO3_NO2": 3.73,
    "NO2": 0.22,
    "NH4": 0.82,
    "NO3": 3.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0475, 59.4074] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1139",
    "depth": 40.0,
    "PO4": 0.95,
    "SiOH4": 11.93,
    "NO3_NO2": 9.13,
    "NO2": 0.26,
    "NH4": 0.5,
    "NO3": 8.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0475, 59.4074] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1139",
    "depth": 50.0,
    "PO4": 1.13,
    "SiOH4": 12.93,
    "NO3_NO2": 10.71,
    "NO2": 0.15,
    "NH4": 0.64,
    "NO3": 10.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0475, 59.4074] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1139",
    "depth": 100.0,
    "PO4": 1.53,
    "SiOH4": 19.06,
    "NO3_NO2": 16.25,
    "NO2": 0.13,
    "NH4": 0.37,
    "NO3": 16.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0475, 59.4074] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1139",
    "depth": 150.0,
    "PO4": 2.27,
    "SiOH4": 29.3,
    "NO3_NO2": 22.29,
    "NO2": 0.15,
    "NH4": 0.35,
    "NO3": 22.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0475, 59.4074] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 10,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1139",
    "depth": 190.0,
    "PO4": 2.5,
    "SiOH4": 26.19,
    "NO3_NO2": 20.2,
    "NO2": 0.12,
    "NH4": 0.32,
    "NO3": 20.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9764, 59.3356] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 11,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1256",
    "depth": 0.0,
    "PO4": null,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": null,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9764, 59.3356] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 11,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1256",
    "depth": 10.0,
    "PO4": 0.98,
    "SiOH4": 7.63,
    "NO3_NO2": 5.32,
    "NO2": 0.01,
    "NH4": 0.71,
    "NO3": 5.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9764, 59.3356] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 11,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1256",
    "depth": 20.0,
    "PO4": 0.45,
    "SiOH4": 6.16,
    "NO3_NO2": 4.46,
    "NO2": 0.13,
    "NH4": 0.25,
    "NO3": 4.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9764, 59.3356] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 11,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1256",
    "depth": 30.0,
    "PO4": 0.66,
    "SiOH4": 10.65,
    "NO3_NO2": 7.05,
    "NO2": 0.25,
    "NH4": 0.21,
    "NO3": 6.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9764, 59.3356] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 11,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1256",
    "depth": 40.0,
    "PO4": 0.69,
    "SiOH4": 9.59,
    "NO3_NO2": 6.26,
    "NO2": 0.24,
    "NH4": 0.34,
    "NO3": 6.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9764, 59.3356] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 11,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1256",
    "depth": 50.0,
    "PO4": 0.85,
    "SiOH4": 11.82,
    "NO3_NO2": 7.98,
    "NO2": 0.28,
    "NH4": 0.08,
    "NO3": 7.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9764, 59.3356] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 11,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1256",
    "depth": 100.0,
    "PO4": 1.03,
    "SiOH4": 12.0,
    "NO3_NO2": 9.35,
    "NO2": 0.11,
    "NH4": 0.44,
    "NO3": 9.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9764, 59.3356] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 11,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1256",
    "depth": 150.0,
    "PO4": 1.69,
    "SiOH4": 23.27,
    "NO3_NO2": 16.68,
    "NO2": 0.12,
    "NH4": 0.28,
    "NO3": 16.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9764, 59.3356] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 11,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1256",
    "depth": 185.0,
    "PO4": 2.24,
    "SiOH4": 28.17,
    "NO3_NO2": 21.14,
    "NO2": 0.2,
    "NH4": 0.34,
    "NO3": 20.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9069, 59.2617] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1356",
    "depth": 0.0,
    "PO4": 1.13,
    "SiOH4": 7.59,
    "NO3_NO2": 4.82,
    "NO2": 0.12,
    "NH4": 0.38,
    "NO3": 4.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9069, 59.2617] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1356",
    "depth": 10.0,
    "PO4": 0.66,
    "SiOH4": 7.56,
    "NO3_NO2": 4.75,
    "NO2": 0.11,
    "NH4": 0.06,
    "NO3": 4.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9069, 59.2617] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1356",
    "depth": 20.0,
    "PO4": 0.63,
    "SiOH4": 7.32,
    "NO3_NO2": 4.39,
    "NO2": 0.12,
    "NH4": 0.96,
    "NO3": 4.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9069, 59.2617] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1356",
    "depth": 30.0,
    "PO4": 0.66,
    "SiOH4": 7.9,
    "NO3_NO2": 4.82,
    "NO2": 0.14,
    "NH4": 0.53,
    "NO3": 4.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9069, 59.2617] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1356",
    "depth": 40.0,
    "PO4": 0.84,
    "SiOH4": 11.36,
    "NO3_NO2": 6.9,
    "NO2": 0.21,
    "NH4": 0.91,
    "NO3": 6.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9069, 59.2617] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1356",
    "depth": 50.0,
    "PO4": null,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": null,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9069, 59.2617] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1356",
    "depth": 100.0,
    "PO4": 1.25,
    "SiOH4": 11.7,
    "NO3_NO2": 6.26,
    "NO2": 0.07,
    "NH4": 0.33,
    "NO3": 6.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9069, 59.2617] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 12,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1356",
    "depth": 164.0,
    "PO4": 1.61,
    "SiOH4": 16.42,
    "NO3_NO2": 9.64,
    "NO2": 0.09,
    "NH4": 0.99,
    "NO3": 9.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8347, 59.1907] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 13,
    "stn_id": "GAK5I",
    "water_depth": 163,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1506",
    "depth": 0.0,
    "PO4": 1.13,
    "SiOH4": 10.04,
    "NO3_NO2": 4.75,
    "NO2": 0.12,
    "NH4": 0.69,
    "NO3": 4.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8347, 59.1907] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 13,
    "stn_id": "GAK5I",
    "water_depth": 163,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1506",
    "depth": 10.0,
    "PO4": 1.0,
    "SiOH4": 11.68,
    "NO3_NO2": 5.48,
    "NO2": 0.15,
    "NH4": 0.51,
    "NO3": 5.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8347, 59.1907] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 13,
    "stn_id": "GAK5I",
    "water_depth": 163,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1506",
    "depth": 20.0,
    "PO4": 1.08,
    "SiOH4": 11.67,
    "NO3_NO2": 5.62,
    "NO2": 0.19,
    "NH4": 0.81,
    "NO3": 5.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8347, 59.1907] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 13,
    "stn_id": "GAK5I",
    "water_depth": 163,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1506",
    "depth": 30.0,
    "PO4": 1.0,
    "SiOH4": 11.66,
    "NO3_NO2": 5.62,
    "NO2": 0.16,
    "NH4": 0.71,
    "NO3": 5.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8347, 59.1907] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 13,
    "stn_id": "GAK5I",
    "water_depth": 163,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1506",
    "depth": 40.0,
    "PO4": 1.01,
    "SiOH4": 11.86,
    "NO3_NO2": 5.77,
    "NO2": 0.2,
    "NH4": 0.48,
    "NO3": 5.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8347, 59.1907] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 13,
    "stn_id": "GAK5I",
    "water_depth": 163,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1506",
    "depth": 50.0,
    "PO4": 0.97,
    "SiOH4": 11.03,
    "NO3_NO2": 5.34,
    "NO2": 0.17,
    "NH4": 0.3,
    "NO3": 5.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8347, 59.1907] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 13,
    "stn_id": "GAK5I",
    "water_depth": 163,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1506",
    "depth": 100.0,
    "PO4": 1.37,
    "SiOH4": 16.78,
    "NO3_NO2": 9.23,
    "NO2": 0.15,
    "NH4": 0.47,
    "NO3": 9.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8347, 59.1907] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 13,
    "stn_id": "GAK5I",
    "water_depth": 163,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1506",
    "depth": 150.0,
    "PO4": 1.59,
    "SiOH4": 18.62,
    "NO3_NO2": 10.53,
    "NO2": 0.12,
    "NH4": 0.56,
    "NO3": 10.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7711, 59.118] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1605",
    "depth": 0.0,
    "PO4": 1.09,
    "SiOH4": 10.6,
    "NO3_NO2": 4.99,
    "NO2": 0.13,
    "NH4": 0.29,
    "NO3": 4.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7711, 59.118] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1605",
    "depth": 10.0,
    "PO4": 0.93,
    "SiOH4": 11.62,
    "NO3_NO2": 5.14,
    "NO2": 0.13,
    "NH4": 0.37,
    "NO3": 5.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7711, 59.118] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1605",
    "depth": 20.0,
    "PO4": 0.82,
    "SiOH4": 11.82,
    "NO3_NO2": 5.07,
    "NO2": 0.14,
    "NH4": 0.88,
    "NO3": 4.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7711, 59.118] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1605",
    "depth": 30.0,
    "PO4": 0.84,
    "SiOH4": 10.37,
    "NO3_NO2": 4.64,
    "NO2": 0.13,
    "NH4": 0.38,
    "NO3": 4.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7711, 59.118] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1605",
    "depth": 40.0,
    "PO4": 0.88,
    "SiOH4": 12.0,
    "NO3_NO2": 5.15,
    "NO2": 0.15,
    "NH4": 0.62,
    "NO3": 5.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7711, 59.118] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1605",
    "depth": 50.0,
    "PO4": 0.83,
    "SiOH4": 11.79,
    "NO3_NO2": 5.08,
    "NO2": 0.15,
    "NH4": 0.99,
    "NO3": 4.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7711, 59.118] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1605",
    "depth": 100.0,
    "PO4": 0.98,
    "SiOH4": 12.61,
    "NO3_NO2": 6.3,
    "NO2": 0.13,
    "NH4": null,
    "NO3": 6.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7711, 59.118] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 14,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1605",
    "depth": 150.0,
    "PO4": 1.67,
    "SiOH4": 22.26,
    "NO3_NO2": 11.34,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 11.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6304, 58.9722] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1736",
    "depth": 0.0,
    "PO4": 1.08,
    "SiOH4": 12.18,
    "NO3_NO2": 5.23,
    "NO2": 0.12,
    "NH4": null,
    "NO3": 5.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6304, 58.9722] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1736",
    "depth": 10.0,
    "PO4": 0.95,
    "SiOH4": 10.32,
    "NO3_NO2": 4.66,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 4.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6304, 58.9722] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1736",
    "depth": 20.0,
    "PO4": 0.66,
    "SiOH4": 12.78,
    "NO3_NO2": 5.31,
    "NO2": 0.13,
    "NH4": 0.51,
    "NO3": 5.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6304, 58.9722] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1736",
    "depth": 30.0,
    "PO4": 0.75,
    "SiOH4": 10.92,
    "NO3_NO2": 4.45,
    "NO2": 0.11,
    "NH4": 0.44,
    "NO3": 4.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6304, 58.9722] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1736",
    "depth": 50.0,
    "PO4": 1.0,
    "SiOH4": 11.94,
    "NO3_NO2": 4.88,
    "NO2": 0.14,
    "NH4": 0.0,
    "NO3": 4.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6304, 58.9722] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1736",
    "depth": 100.0,
    "PO4": 1.13,
    "SiOH4": 11.73,
    "NO3_NO2": 4.96,
    "NO2": 0.16,
    "NH4": 0.01,
    "NO3": 4.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6304, 58.9722] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1736",
    "depth": 150.0,
    "PO4": 1.54,
    "SiOH4": 21.17,
    "NO3_NO2": 9.85,
    "NO2": 0.13,
    "NH4": 0.52,
    "NO3": 9.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6304, 58.9722] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 15,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1736",
    "depth": 237.0,
    "PO4": 1.82,
    "SiOH4": 34.48,
    "NO3_NO2": 29.13,
    "NO2": 0.14,
    "NH4": 0.53,
    "NO3": 28.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4902, 58.7925] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK8",
    "water_depth": 293,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1941",
    "depth": 0.0,
    "PO4": 1.14,
    "SiOH4": 12.0,
    "NO3_NO2": 9.14,
    "NO2": 0.15,
    "NH4": 0.52,
    "NO3": 8.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4902, 58.7925] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK8",
    "water_depth": 293,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1941",
    "depth": 10.0,
    "PO4": 0.9,
    "SiOH4": 8.45,
    "NO3_NO2": 6.5,
    "NO2": 0.14,
    "NH4": 0.57,
    "NO3": 6.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4902, 58.7925] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK8",
    "water_depth": 293,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1941",
    "depth": 20.0,
    "PO4": 0.92,
    "SiOH4": 7.68,
    "NO3_NO2": 5.91,
    "NO2": 0.14,
    "NH4": 0.43,
    "NO3": 5.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4902, 58.7925] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK8",
    "water_depth": 293,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1941",
    "depth": 30.0,
    "PO4": 0.79,
    "SiOH4": 6.35,
    "NO3_NO2": 4.79,
    "NO2": 0.14,
    "NH4": 0.52,
    "NO3": 4.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4902, 58.7925] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK8",
    "water_depth": 293,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1941",
    "depth": 50.0,
    "PO4": 0.84,
    "SiOH4": 10.41,
    "NO3_NO2": 8.66,
    "NO2": 0.15,
    "NH4": 0.83,
    "NO3": 8.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4902, 58.7925] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK8",
    "water_depth": 293,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1941",
    "depth": 100.0,
    "PO4": 0.98,
    "SiOH4": 13.91,
    "NO3_NO2": 12.76,
    "NO2": 0.15,
    "NH4": 0.79,
    "NO3": 12.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4902, 58.7925] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK8",
    "water_depth": 293,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1941",
    "depth": 150.0,
    "PO4": 1.33,
    "SiOH4": 19.26,
    "NO3_NO2": 18.61,
    "NO2": 0.15,
    "NH4": 0.89,
    "NO3": 18.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4902, 58.7925] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK8",
    "water_depth": 293,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1941",
    "depth": 200.0,
    "PO4": 1.73,
    "SiOH4": 23.87,
    "NO3_NO2": 23.36,
    "NO2": 0.16,
    "NH4": 1.35,
    "NO3": 23.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4902, 58.7925] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 16,
    "stn_id": "GAK8",
    "water_depth": 293,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1941",
    "depth": 285.0,
    "PO4": 2.27,
    "SiOH4": 40.35,
    "NO3_NO2": 32.21,
    "NO2": 0.15,
    "NH4": 0.97,
    "NO3": 32.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5443, 57.7995] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 17,
    "stn_id": "GAK15",
    "water_depth": 4200,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0319",
    "depth": 0.0,
    "PO4": 0.42,
    "SiOH4": 7.49,
    "NO3_NO2": 6.53,
    "NO2": 0.32,
    "NH4": 0.91,
    "NO3": 6.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5443, 57.7995] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 17,
    "stn_id": "GAK15",
    "water_depth": 4200,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0319",
    "depth": 25.0,
    "PO4": 0.52,
    "SiOH4": 6.16,
    "NO3_NO2": 6.35,
    "NO2": 0.33,
    "NH4": 0.89,
    "NO3": 6.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5443, 57.7995] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 17,
    "stn_id": "GAK15",
    "water_depth": 4200,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0319",
    "depth": 50.0,
    "PO4": 0.57,
    "SiOH4": 11.88,
    "NO3_NO2": 12.39,
    "NO2": 0.43,
    "NH4": 1.28,
    "NO3": 11.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5443, 57.7995] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 17,
    "stn_id": "GAK15",
    "water_depth": 4200,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0319",
    "depth": 75.0,
    "PO4": 0.98,
    "SiOH4": 13.34,
    "NO3_NO2": 12.97,
    "NO2": 0.2,
    "NH4": 0.94,
    "NO3": 12.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5443, 57.7995] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 17,
    "stn_id": "GAK15",
    "water_depth": 4200,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0319",
    "depth": 100.0,
    "PO4": 1.14,
    "SiOH4": 15.91,
    "NO3_NO2": 14.2,
    "NO2": 0.21,
    "NH4": 0.75,
    "NO3": 13.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5443, 57.7995] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 17,
    "stn_id": "GAK15",
    "water_depth": 4200,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0319",
    "depth": 250.0,
    "PO4": 1.45,
    "SiOH4": 17.92,
    "NO3_NO2": 15.84,
    "NO2": 0.21,
    "NH4": 0.97,
    "NO3": 15.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5443, 57.7995] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 17,
    "stn_id": "GAK15",
    "water_depth": 4200,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0319",
    "depth": 500.0,
    "PO4": 1.94,
    "SiOH4": 22.16,
    "NO3_NO2": 21.17,
    "NO2": 0.21,
    "NH4": 0.82,
    "NO3": 20.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5443, 57.7995] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 17,
    "stn_id": "GAK15",
    "water_depth": 4200,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0319",
    "depth": 1000.0,
    "PO4": 2.12,
    "SiOH4": 26.4,
    "NO3_NO2": 26.2,
    "NO2": 0.12,
    "NH4": 1.48,
    "NO3": 26.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5443, 57.7995] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 17,
    "stn_id": "GAK15",
    "water_depth": 4200,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0319",
    "depth": 1529.0,
    "PO4": 2.37,
    "SiOH4": 26.56,
    "NO3_NO2": 26.03,
    "NO2": 0.15,
    "NH4": 1.49,
    "NO3": 25.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4217, 58.7429] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK8I",
    "water_depth": 293,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "2322",
    "depth": 0.0,
    "PO4": 0.97,
    "SiOH4": 10.08,
    "NO3_NO2": 9.3,
    "NO2": 0.03,
    "NH4": 1.9,
    "NO3": 9.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4217, 58.7429] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK8I",
    "water_depth": 293,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "2322",
    "depth": 10.0,
    "PO4": 1.28,
    "SiOH4": 11.18,
    "NO3_NO2": 10.37,
    "NO2": 0.2,
    "NH4": 1.74,
    "NO3": 10.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4217, 58.7429] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK8I",
    "water_depth": 293,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "2322",
    "depth": 20.0,
    "PO4": 1.11,
    "SiOH4": 10.21,
    "NO3_NO2": 9.83,
    "NO2": 0.19,
    "NH4": 1.08,
    "NO3": 9.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4217, 58.7429] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK8I",
    "water_depth": 293,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "2322",
    "depth": 30.0,
    "PO4": 1.07,
    "SiOH4": 10.19,
    "NO3_NO2": 9.76,
    "NO2": 0.12,
    "NH4": 1.32,
    "NO3": 9.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4217, 58.7429] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK8I",
    "water_depth": 293,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "2322",
    "depth": 40.0,
    "PO4": 1.08,
    "SiOH4": 9.79,
    "NO3_NO2": 9.22,
    "NO2": 0.2,
    "NH4": 1.17,
    "NO3": 9.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4217, 58.7429] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK8I",
    "water_depth": 293,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "2322",
    "depth": 50.0,
    "PO4": 1.04,
    "SiOH4": 8.82,
    "NO3_NO2": 9.1,
    "NO2": 0.45,
    "NH4": 0.7,
    "NO3": 8.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4217, 58.7429] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK8I",
    "water_depth": 293,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "2322",
    "depth": 100.0,
    "PO4": 1.72,
    "SiOH4": 22.27,
    "NO3_NO2": 22.28,
    "NO2": 0.41,
    "NH4": 1.16,
    "NO3": 21.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4217, 58.7429] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK8I",
    "water_depth": 293,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "2322",
    "depth": 150.0,
    "PO4": 1.87,
    "SiOH4": 21.31,
    "NO3_NO2": 20.84,
    "NO2": 0.26,
    "NH4": 0.91,
    "NO3": 20.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4217, 58.7429] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK8I",
    "water_depth": 293,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "2322",
    "depth": 200.0,
    "PO4": 1.96,
    "SiOH4": 25.21,
    "NO3_NO2": 24.48,
    "NO2": 0.32,
    "NH4": 0.87,
    "NO3": 24.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4217, 58.7429] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK8I",
    "water_depth": 293,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "2322",
    "depth": 250.0,
    "PO4": 2.48,
    "SiOH4": 33.61,
    "NO3_NO2": 31.51,
    "NO2": 0.04,
    "NH4": 0.78,
    "NO3": 31.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4217, 58.7429] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 18,
    "stn_id": "GAK8I",
    "water_depth": 293,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "2322",
    "depth": 287.0,
    "PO4": 2.37,
    "SiOH4": 31.71,
    "NO3_NO2": 27.81,
    "NO2": 0.07,
    "NH4": 1.09,
    "NO3": 27.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3493, 58.6801] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "GAK9",
    "water_depth": 282,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0028",
    "depth": 0.0,
    "PO4": 0.72,
    "SiOH4": 10.35,
    "NO3_NO2": 9.66,
    "NO2": 0.23,
    "NH4": 2.58,
    "NO3": 9.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3493, 58.6801] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "GAK9",
    "water_depth": 282,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0028",
    "depth": 10.0,
    "PO4": 0.91,
    "SiOH4": 10.51,
    "NO3_NO2": 10.01,
    "NO2": 0.29,
    "NH4": 2.6,
    "NO3": 9.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3493, 58.6801] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "GAK9",
    "water_depth": 282,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0028",
    "depth": 20.0,
    "PO4": 0.72,
    "SiOH4": 6.92,
    "NO3_NO2": 6.25,
    "NO2": 0.14,
    "NH4": 2.18,
    "NO3": 6.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3493, 58.6801] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "GAK9",
    "water_depth": 282,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0028",
    "depth": 30.0,
    "PO4": 0.75,
    "SiOH4": 8.21,
    "NO3_NO2": 7.67,
    "NO2": 0.18,
    "NH4": 1.76,
    "NO3": 7.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3493, 58.6801] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "GAK9",
    "water_depth": 282,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0028",
    "depth": 50.0,
    "PO4": 0.89,
    "SiOH4": 11.92,
    "NO3_NO2": 12.2,
    "NO2": 0.15,
    "NH4": 2.0,
    "NO3": 12.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3493, 58.6801] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "GAK9",
    "water_depth": 282,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0028",
    "depth": 100.0,
    "PO4": 1.59,
    "SiOH4": 21.63,
    "NO3_NO2": 21.21,
    "NO2": 0.2,
    "NH4": 2.65,
    "NO3": 21.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3493, 58.6801] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "GAK9",
    "water_depth": 282,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0028",
    "depth": 150.0,
    "PO4": 2.04,
    "SiOH4": 26.28,
    "NO3_NO2": 26.22,
    "NO2": 0.06,
    "NH4": 1.83,
    "NO3": 26.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3493, 58.6801] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "GAK9",
    "water_depth": 282,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0028",
    "depth": 200.0,
    "PO4": 2.0,
    "SiOH4": 25.88,
    "NO3_NO2": 25.2,
    "NO2": 0.08,
    "NH4": 1.91,
    "NO3": 25.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3493, 58.6801] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 19,
    "stn_id": "GAK9",
    "water_depth": 282,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0028",
    "depth": 276.0,
    "PO4": 2.5,
    "SiOH4": 38.58,
    "NO3_NO2": 33.78,
    "NO2": 0.1,
    "NH4": 1.6,
    "NO3": 33.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2764, 58.6112] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "GAK9I",
    "water_depth": 700,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0133",
    "depth": 0.0,
    "PO4": 1.11,
    "SiOH4": 7.52,
    "NO3_NO2": 9.96,
    "NO2": 0.21,
    "NH4": 0.76,
    "NO3": 9.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2764, 58.6112] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "GAK9I",
    "water_depth": 700,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0133",
    "depth": 10.0,
    "PO4": 1.27,
    "SiOH4": 8.68,
    "NO3_NO2": 10.68,
    "NO2": 0.25,
    "NH4": 2.2,
    "NO3": 10.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2764, 58.6112] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "GAK9I",
    "water_depth": 700,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0133",
    "depth": 20.0,
    "PO4": 1.14,
    "SiOH4": 6.85,
    "NO3_NO2": 8.88,
    "NO2": 0.17,
    "NH4": 0.69,
    "NO3": 8.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2764, 58.6112] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "GAK9I",
    "water_depth": 700,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0133",
    "depth": 30.0,
    "PO4": 1.14,
    "SiOH4": 6.51,
    "NO3_NO2": 8.88,
    "NO2": 0.22,
    "NH4": 1.55,
    "NO3": 8.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2764, 58.6112] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "GAK9I",
    "water_depth": 700,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0133",
    "depth": 40.0,
    "PO4": 0.99,
    "SiOH4": 4.87,
    "NO3_NO2": 7.15,
    "NO2": 0.19,
    "NH4": 1.5,
    "NO3": 6.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2764, 58.6112] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "GAK9I",
    "water_depth": 700,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0133",
    "depth": 50.0,
    "PO4": 1.04,
    "SiOH4": 5.28,
    "NO3_NO2": 8.76,
    "NO2": 0.17,
    "NH4": 4.84,
    "NO3": 8.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2764, 58.6112] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "GAK9I",
    "water_depth": 700,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0133",
    "depth": 100.0,
    "PO4": 1.72,
    "SiOH4": 13.55,
    "NO3_NO2": 18.36,
    "NO2": 0.17,
    "NH4": 3.5,
    "NO3": 18.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2764, 58.6112] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "GAK9I",
    "water_depth": 700,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0133",
    "depth": 250.0,
    "PO4": 2.44,
    "SiOH4": 27.06,
    "NO3_NO2": 27.31,
    "NO2": 0.1,
    "NH4": 4.15,
    "NO3": 27.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2764, 58.6112] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "GAK9I",
    "water_depth": 700,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0133",
    "depth": 500.0,
    "PO4": 3.06,
    "SiOH4": 28.6,
    "NO3_NO2": 34.29,
    "NO2": 0.08,
    "NH4": 4.46,
    "NO3": 34.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2764, 58.6112] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 20,
    "stn_id": "GAK9I",
    "water_depth": 700,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0133",
    "depth": 696.0,
    "PO4": 3.71,
    "SiOH4": 32.75,
    "NO3_NO2": 43.95,
    "NO2": 0.1,
    "NH4": 4.71,
    "NO3": 43.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2105, 58.5411] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 21,
    "stn_id": "GAK10",
    "water_depth": 1466,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0244",
    "depth": 0.0,
    "PO4": 1.12,
    "SiOH4": 6.77,
    "NO3_NO2": 9.87,
    "NO2": 0.23,
    "NH4": 4.54,
    "NO3": 9.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2105, 58.5411] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 21,
    "stn_id": "GAK10",
    "water_depth": 1466,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0244",
    "depth": 25.0,
    "PO4": 1.0,
    "SiOH4": 5.32,
    "NO3_NO2": 8.2,
    "NO2": 0.25,
    "NH4": 4.72,
    "NO3": 7.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2105, 58.5411] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 21,
    "stn_id": "GAK10",
    "water_depth": 1466,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0244",
    "depth": 50.0,
    "PO4": 0.94,
    "SiOH4": 4.04,
    "NO3_NO2": 6.76,
    "NO2": 0.17,
    "NH4": 0.24,
    "NO3": 6.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2105, 58.5411] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 21,
    "stn_id": "GAK10",
    "water_depth": 1466,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0244",
    "depth": 100.0,
    "PO4": 1.62,
    "SiOH4": 13.25,
    "NO3_NO2": 15.89,
    "NO2": 0.08,
    "NH4": 0.57,
    "NO3": 15.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2105, 58.5411] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 21,
    "stn_id": "GAK10",
    "water_depth": 1466,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0244",
    "depth": 175.0,
    "PO4": 2.11,
    "SiOH4": 23.77,
    "NO3_NO2": 25.56,
    "NO2": 0.24,
    "NH4": 2.17,
    "NO3": 25.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2105, 58.5411] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 21,
    "stn_id": "GAK10",
    "water_depth": 1466,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0244",
    "depth": 200.0,
    "PO4": 2.53,
    "SiOH4": 27.92,
    "NO3_NO2": 29.14,
    "NO2": 0.12,
    "NH4": 2.04,
    "NO3": 29.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2105, 58.5411] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 21,
    "stn_id": "GAK10",
    "water_depth": 1466,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0244",
    "depth": 500.0,
    "PO4": 3.22,
    "SiOH4": 29.83,
    "NO3_NO2": 37.37,
    "NO2": 0.11,
    "NH4": 3.15,
    "NO3": 37.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2105, 58.5411] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 21,
    "stn_id": "GAK10",
    "water_depth": 1466,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0244",
    "depth": 1000.0,
    "PO4": 3.27,
    "SiOH4": 28.18,
    "NO3_NO2": 38.14,
    "NO2": 0.13,
    "NH4": 2.25,
    "NO3": 38.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2105, 58.5411] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 21,
    "stn_id": "GAK10",
    "water_depth": 1466,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0244",
    "depth": 1451.0,
    "PO4": 3.38,
    "SiOH4": 29.53,
    "NO3_NO2": 36.59,
    "NO2": 0.12,
    "NH4": 2.5,
    "NO3": 36.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.068, 58.3867] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 22,
    "stn_id": "GAK11",
    "water_depth": 1437,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0453",
    "depth": 0.0,
    "PO4": 0.81,
    "SiOH4": 10.51,
    "NO3_NO2": 9.67,
    "NO2": 0.28,
    "NH4": 2.0,
    "NO3": 9.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.068, 58.3867] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 22,
    "stn_id": "GAK11",
    "water_depth": 1437,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0453",
    "depth": 25.0,
    "PO4": 0.96,
    "SiOH4": 10.16,
    "NO3_NO2": 8.95,
    "NO2": 0.29,
    "NH4": 1.97,
    "NO3": 8.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.068, 58.3867] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 22,
    "stn_id": "GAK11",
    "water_depth": 1437,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0453",
    "depth": 50.0,
    "PO4": 1.01,
    "SiOH4": 10.75,
    "NO3_NO2": 9.97,
    "NO2": 0.27,
    "NH4": 1.64,
    "NO3": 9.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.068, 58.3867] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 22,
    "stn_id": "GAK11",
    "water_depth": 1437,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0453",
    "depth": 75.0,
    "PO4": 1.05,
    "SiOH4": 8.16,
    "NO3_NO2": 7.22,
    "NO2": 0.1,
    "NH4": 0.81,
    "NO3": 7.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.068, 58.3867] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 22,
    "stn_id": "GAK11",
    "water_depth": 1437,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0453",
    "depth": 100.0,
    "PO4": 1.77,
    "SiOH4": 25.22,
    "NO3_NO2": 24.53,
    "NO2": 0.1,
    "NH4": 1.96,
    "NO3": 24.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.068, 58.3867] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 22,
    "stn_id": "GAK11",
    "water_depth": 1437,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0453",
    "depth": 250.0,
    "PO4": 2.58,
    "SiOH4": 39.47,
    "NO3_NO2": 36.05,
    "NO2": 0.1,
    "NH4": 1.59,
    "NO3": 35.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.068, 58.3867] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 22,
    "stn_id": "GAK11",
    "water_depth": 1437,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0453",
    "depth": 500.0,
    "PO4": 2.46,
    "SiOH4": 28.46,
    "NO3_NO2": 25.96,
    "NO2": 0.09,
    "NH4": 0.55,
    "NO3": 25.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.068, 58.3867] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 22,
    "stn_id": "GAK11",
    "water_depth": 1437,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0453",
    "depth": 1000.0,
    "PO4": 3.52,
    "SiOH4": 38.4,
    "NO3_NO2": 45.6,
    "NO2": 0.11,
    "NH4": 0.47,
    "NO3": 45.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.068, 58.3867] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 22,
    "stn_id": "GAK11",
    "water_depth": 1437,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0453",
    "depth": 1421.0,
    "PO4": 3.65,
    "SiOH4": 40.14,
    "NO3_NO2": 45.77,
    "NO2": 0.11,
    "NH4": 0.92,
    "NO3": 45.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9305, 58.2422] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "GAK12",
    "water_depth": 2141,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0704",
    "depth": 0.0,
    "PO4": 1.05,
    "SiOH4": 13.6,
    "NO3_NO2": 11.52,
    "NO2": 0.22,
    "NH4": 0.24,
    "NO3": 11.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9305, 58.2422] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "GAK12",
    "water_depth": 2141,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0704",
    "depth": 25.0,
    "PO4": 1.09,
    "SiOH4": 12.69,
    "NO3_NO2": 10.86,
    "NO2": 0.25,
    "NH4": 1.91,
    "NO3": 10.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9305, 58.2422] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "GAK12",
    "water_depth": 2141,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0704",
    "depth": 50.0,
    "PO4": 1.08,
    "SiOH4": 11.03,
    "NO3_NO2": 10.92,
    "NO2": 0.26,
    "NH4": 1.12,
    "NO3": 10.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9305, 58.2422] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "GAK12",
    "water_depth": 2141,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0704",
    "depth": 75.0,
    "PO4": 1.53,
    "SiOH4": 19.67,
    "NO3_NO2": 19.99,
    "NO2": 0.11,
    "NH4": 0.47,
    "NO3": 19.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9305, 58.2422] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "GAK12",
    "water_depth": 2141,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0704",
    "depth": 100.0,
    "PO4": 1.8,
    "SiOH4": 22.32,
    "NO3_NO2": 22.38,
    "NO2": 0.1,
    "NH4": 1.34,
    "NO3": 22.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9305, 58.2422] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "GAK12",
    "water_depth": 2141,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0704",
    "depth": 250.0,
    "PO4": 2.46,
    "SiOH4": 38.81,
    "NO3_NO2": 34.85,
    "NO2": 0.09,
    "NH4": 1.55,
    "NO3": 34.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9305, 58.2422] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "GAK12",
    "water_depth": 2141,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0704",
    "depth": 500.0,
    "PO4": 3.2,
    "SiOH4": 53.63,
    "NO3_NO2": 43.57,
    "NO2": 0.09,
    "NH4": 2.2,
    "NO3": 43.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9305, 58.2422] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "GAK12",
    "water_depth": 2141,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0704",
    "depth": 1000.0,
    "PO4": 3.46,
    "SiOH4": 34.01,
    "NO3_NO2": 45.66,
    "NO2": 0.09,
    "NH4": 1.9,
    "NO3": 45.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9305, 58.2422] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 23,
    "stn_id": "GAK12",
    "water_depth": 2141,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0704",
    "depth": 1505.0,
    "PO4": 3.5,
    "SiOH4": 35.34,
    "NO3_NO2": 45.77,
    "NO2": 0.09,
    "NH4": 2.34,
    "NO3": 45.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7925, 58.0987] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "GAK13",
    "water_depth": 1585,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0922",
    "depth": 0.0,
    "PO4": 0.57,
    "SiOH4": 11.4,
    "NO3_NO2": 9.24,
    "NO2": 0.29,
    "NH4": 1.46,
    "NO3": 8.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7925, 58.0987] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "GAK13",
    "water_depth": 1585,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0922",
    "depth": 25.0,
    "PO4": 0.83,
    "SiOH4": 11.0,
    "NO3_NO2": 9.23,
    "NO2": 0.3,
    "NH4": 1.73,
    "NO3": 8.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7925, 58.0987] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "GAK13",
    "water_depth": 1585,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0922",
    "depth": 50.0,
    "PO4": 0.92,
    "SiOH4": 11.17,
    "NO3_NO2": 8.98,
    "NO2": 0.3,
    "NH4": 1.19,
    "NO3": 8.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7925, 58.0987] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "GAK13",
    "water_depth": 1585,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0922",
    "depth": 75.0,
    "PO4": 0.95,
    "SiOH4": 11.15,
    "NO3_NO2": 8.74,
    "NO2": 0.3,
    "NH4": 1.31,
    "NO3": 8.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7925, 58.0987] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "GAK13",
    "water_depth": 1585,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0922",
    "depth": 100.0,
    "PO4": 1.32,
    "SiOH4": 19.18,
    "NO3_NO2": 19.29,
    "NO2": 0.12,
    "NH4": 1.0,
    "NO3": 19.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7925, 58.0987] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "GAK13",
    "water_depth": 1585,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0922",
    "depth": 250.0,
    "PO4": 2.0,
    "SiOH4": 42.18,
    "NO3_NO2": 37.48,
    "NO2": 0.13,
    "NH4": 1.16,
    "NO3": 37.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7925, 58.0987] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "GAK13",
    "water_depth": 1585,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0922",
    "depth": 500.0,
    "PO4": 2.88,
    "SiOH4": 47.59,
    "NO3_NO2": 44.28,
    "NO2": 0.11,
    "NH4": 1.23,
    "NO3": 44.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7925, 58.0987] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "GAK13",
    "water_depth": 1585,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0922",
    "depth": 1000.0,
    "PO4": 3.2,
    "SiOH4": 34.28,
    "NO3_NO2": 45.46,
    "NO2": 0.11,
    "NH4": 2.04,
    "NO3": 45.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7925, 58.0987] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 24,
    "stn_id": "GAK13",
    "water_depth": 1585,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0922",
    "depth": 1500.0,
    "PO4": 3.27,
    "SiOH4": 34.45,
    "NO3_NO2": 45.57,
    "NO2": 0.11,
    "NH4": 3.05,
    "NO3": 45.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6642, 57.9497] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 25,
    "stn_id": "GAK14",
    "water_depth": 2780,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1151",
    "depth": 0.0,
    "PO4": 0.93,
    "SiOH4": 10.28,
    "NO3_NO2": 9.93,
    "NO2": 0.34,
    "NH4": 1.64,
    "NO3": 9.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6642, 57.9497] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 25,
    "stn_id": "GAK14",
    "water_depth": 2780,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1151",
    "depth": 25.0,
    "PO4": 0.96,
    "SiOH4": 10.26,
    "NO3_NO2": 9.86,
    "NO2": 0.35,
    "NH4": 1.42,
    "NO3": 9.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6642, 57.9497] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 25,
    "stn_id": "GAK14",
    "water_depth": 2780,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1151",
    "depth": 50.0,
    "PO4": 0.89,
    "SiOH4": 10.24,
    "NO3_NO2": 9.85,
    "NO2": 0.35,
    "NH4": 1.88,
    "NO3": 9.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6642, 57.9497] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 25,
    "stn_id": "GAK14",
    "water_depth": 2780,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1151",
    "depth": 75.0,
    "PO4": 0.93,
    "SiOH4": 11.91,
    "NO3_NO2": 12.29,
    "NO2": 0.27,
    "NH4": 0.35,
    "NO3": 12.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6642, 57.9497] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 25,
    "stn_id": "GAK14",
    "water_depth": 2780,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1151",
    "depth": 100.0,
    "PO4": 1.19,
    "SiOH4": 21.62,
    "NO3_NO2": 23.02,
    "NO2": 0.11,
    "NH4": 0.29,
    "NO3": 22.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6642, 57.9497] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 25,
    "stn_id": "GAK14",
    "water_depth": 2780,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1151",
    "depth": 250.0,
    "PO4": 2.09,
    "SiOH4": 44.81,
    "NO3_NO2": 38.41,
    "NO2": 0.09,
    "NH4": 0.7,
    "NO3": 38.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6642, 57.9497] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 25,
    "stn_id": "GAK14",
    "water_depth": 2780,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1151",
    "depth": 500.0,
    "PO4": 2.74,
    "SiOH4": 59.57,
    "NO3_NO2": 44.19,
    "NO2": 0.09,
    "NH4": 1.9,
    "NO3": 44.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6642, 57.9497] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 25,
    "stn_id": "GAK14",
    "water_depth": 2780,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1151",
    "depth": 1000.0,
    "PO4": 2.91,
    "SiOH4": 46.27,
    "NO3_NO2": 45.67,
    "NO2": 0.1,
    "NH4": 1.65,
    "NO3": 45.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6642, 57.9497] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 25,
    "stn_id": "GAK14",
    "water_depth": 2780,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1151",
    "depth": 1520.0,
    "PO4": 2.92,
    "SiOH4": 43.06,
    "NO3_NO2": 45.6,
    "NO2": 0.1,
    "NH4": 2.05,
    "NO3": 45.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8664, 59.9078] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0422",
    "depth": 0.0,
    "PO4": 0.38,
    "SiOH4": 9.53,
    "NO3_NO2": 8.08,
    "NO2": 0.17,
    "NH4": 1.8,
    "NO3": 7.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8664, 59.9078] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0422",
    "depth": 10.0,
    "PO4": 0.57,
    "SiOH4": 9.51,
    "NO3_NO2": 8.05,
    "NO2": 0.18,
    "NH4": 2.16,
    "NO3": 7.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8664, 59.9078] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0422",
    "depth": 20.0,
    "PO4": 0.62,
    "SiOH4": 9.69,
    "NO3_NO2": 8.37,
    "NO2": 0.12,
    "NH4": 1.88,
    "NO3": 8.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8664, 59.9078] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0422",
    "depth": 30.0,
    "PO4": 0.67,
    "SiOH4": 10.23,
    "NO3_NO2": 8.87,
    "NO2": 0.13,
    "NH4": 1.42,
    "NO3": 8.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8664, 59.9078] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0422",
    "depth": 40.0,
    "PO4": 0.61,
    "SiOH4": 10.22,
    "NO3_NO2": 9.14,
    "NO2": 0.12,
    "NH4": 1.75,
    "NO3": 9.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8664, 59.9078] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0422",
    "depth": 50.0,
    "PO4": 0.62,
    "SiOH4": 11.88,
    "NO3_NO2": 10.12,
    "NO2": 0.11,
    "NH4": 2.78,
    "NO3": 10.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8664, 59.9078] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 26,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0422",
    "depth": 80.0,
    "PO4": 0.69,
    "SiOH4": 13.37,
    "NO3_NO2": 9.01,
    "NO2": 0.16,
    "NH4": 2.81,
    "NO3": 8.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.8502] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 28,
    "stn_id": "CF3",
    "water_depth": 158,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0509",
    "depth": 0.0,
    "PO4": 0.27,
    "SiOH4": 8.48,
    "NO3_NO2": 8.43,
    "NO2": 0.12,
    "NH4": 2.64,
    "NO3": 8.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.8502] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 28,
    "stn_id": "CF3",
    "water_depth": 158,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0509",
    "depth": 10.0,
    "PO4": 0.33,
    "SiOH4": 8.84,
    "NO3_NO2": 8.4,
    "NO2": 0.14,
    "NH4": 2.63,
    "NO3": 8.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.8502] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 28,
    "stn_id": "CF3",
    "water_depth": 158,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0509",
    "depth": 20.0,
    "PO4": 0.36,
    "SiOH4": 7.89,
    "NO3_NO2": 8.42,
    "NO2": 0.21,
    "NH4": 1.64,
    "NO3": 8.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.8502] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 28,
    "stn_id": "CF3",
    "water_depth": 158,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0509",
    "depth": 30.0,
    "PO4": 0.39,
    "SiOH4": 10.68,
    "NO3_NO2": 8.93,
    "NO2": 0.12,
    "NH4": 1.72,
    "NO3": 8.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.8502] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 28,
    "stn_id": "CF3",
    "water_depth": 158,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0509",
    "depth": 40.0,
    "PO4": 1.88,
    "SiOH4": 12.1,
    "NO3_NO2": 6.81,
    "NO2": 0.14,
    "NH4": 2.43,
    "NO3": 6.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.8502] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 28,
    "stn_id": "CF3",
    "water_depth": 158,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0509",
    "depth": 50.0,
    "PO4": 1.72,
    "SiOH4": 10.87,
    "NO3_NO2": 6.45,
    "NO2": 0.14,
    "NH4": 0.73,
    "NO3": 6.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.8502] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 28,
    "stn_id": "CF3",
    "water_depth": 158,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0509",
    "depth": 75.0,
    "PO4": 1.47,
    "SiOH4": 10.65,
    "NO3_NO2": 6.59,
    "NO2": 0.14,
    "NH4": 0.77,
    "NO3": 6.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.8502] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 28,
    "stn_id": "CF3",
    "water_depth": 158,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0509",
    "depth": 100.0,
    "PO4": 1.74,
    "SiOH4": 11.62,
    "NO3_NO2": 7.24,
    "NO2": 0.14,
    "NH4": 1.08,
    "NO3": 7.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.8502] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 28,
    "stn_id": "CF3",
    "water_depth": 158,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0509",
    "depth": 125.0,
    "PO4": 1.79,
    "SiOH4": 12.24,
    "NO3_NO2": 7.89,
    "NO2": 0.14,
    "NH4": 0.92,
    "NO3": 7.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.8502] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 28,
    "stn_id": "CF3",
    "water_depth": 158,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0509",
    "depth": 154.0,
    "PO4": 2.26,
    "SiOH4": 18.27,
    "NO3_NO2": 12.6,
    "NO2": 0.15,
    "NH4": 1.41,
    "NO3": 12.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8681, 59.7831] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 30,
    "stn_id": "CF5",
    "water_depth": 190,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0612",
    "depth": 0.0,
    "PO4": 1.43,
    "SiOH4": 9.57,
    "NO3_NO2": 5.46,
    "NO2": 0.15,
    "NH4": 1.3,
    "NO3": 5.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8681, 59.7831] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 30,
    "stn_id": "CF5",
    "water_depth": 190,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0612",
    "depth": 10.0,
    "PO4": 1.51,
    "SiOH4": 9.69,
    "NO3_NO2": 5.85,
    "NO2": 0.15,
    "NH4": 0.74,
    "NO3": 5.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8681, 59.7831] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 30,
    "stn_id": "CF5",
    "water_depth": 190,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0612",
    "depth": 20.0,
    "PO4": 1.75,
    "SiOH4": 8.97,
    "NO3_NO2": 5.73,
    "NO2": 0.14,
    "NH4": 1.94,
    "NO3": 5.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8681, 59.7831] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 30,
    "stn_id": "CF5",
    "water_depth": 190,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0612",
    "depth": 30.0,
    "PO4": 1.52,
    "SiOH4": 8.92,
    "NO3_NO2": 5.72,
    "NO2": 0.14,
    "NH4": 0.93,
    "NO3": 5.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8681, 59.7831] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 30,
    "stn_id": "CF5",
    "water_depth": 190,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0612",
    "depth": 40.0,
    "PO4": 1.47,
    "SiOH4": 8.7,
    "NO3_NO2": 5.7,
    "NO2": 0.14,
    "NH4": 1.06,
    "NO3": 5.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8681, 59.7831] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 30,
    "stn_id": "CF5",
    "water_depth": 190,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0612",
    "depth": 50.0,
    "PO4": 1.41,
    "SiOH4": 8.99,
    "NO3_NO2": 5.99,
    "NO2": 0.14,
    "NH4": 1.94,
    "NO3": 5.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8681, 59.7831] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 30,
    "stn_id": "CF5",
    "water_depth": 190,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0612",
    "depth": 75.0,
    "PO4": 1.57,
    "SiOH4": 8.94,
    "NO3_NO2": 5.88,
    "NO2": 0.11,
    "NH4": 2.07,
    "NO3": 5.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8681, 59.7831] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 30,
    "stn_id": "CF5",
    "water_depth": 190,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0612",
    "depth": 100.0,
    "PO4": 1.65,
    "SiOH4": 11.59,
    "NO3_NO2": 7.59,
    "NO2": 0.1,
    "NH4": 1.41,
    "NO3": 7.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8681, 59.7831] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 30,
    "stn_id": "CF5",
    "water_depth": 190,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0612",
    "depth": 130.0,
    "PO4": 2.43,
    "SiOH4": 18.97,
    "NO3_NO2": 12.64,
    "NO2": 0.11,
    "NH4": 1.01,
    "NO3": 12.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8681, 59.7831] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 30,
    "stn_id": "CF5",
    "water_depth": 190,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0612",
    "depth": 184.0,
    "PO4": null,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": null,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8674, 59.7163] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 32,
    "stn_id": "CF7",
    "water_depth": 179,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0711",
    "depth": 0.0,
    "PO4": 0.84,
    "SiOH4": 8.24,
    "NO3_NO2": 4.4,
    "NO2": 0.14,
    "NH4": 1.54,
    "NO3": 4.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8674, 59.7163] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 32,
    "stn_id": "CF7",
    "water_depth": 179,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0711",
    "depth": 10.0,
    "PO4": 1.21,
    "SiOH4": 8.2,
    "NO3_NO2": 4.49,
    "NO2": 0.14,
    "NH4": 0.9,
    "NO3": 4.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8674, 59.7163] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 32,
    "stn_id": "CF7",
    "water_depth": 179,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0711",
    "depth": 20.0,
    "PO4": 0.55,
    "SiOH4": 10.0,
    "NO3_NO2": 3.26,
    "NO2": 0.15,
    "NH4": 1.96,
    "NO3": 3.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8674, 59.7163] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 32,
    "stn_id": "CF7",
    "water_depth": 179,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0711",
    "depth": 30.0,
    "PO4": 0.76,
    "SiOH4": 9.96,
    "NO3_NO2": 3.55,
    "NO2": 0.14,
    "NH4": 1.09,
    "NO3": 3.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8674, 59.7163] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 32,
    "stn_id": "CF7",
    "water_depth": 179,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0711",
    "depth": 40.0,
    "PO4": 1.08,
    "SiOH4": 10.92,
    "NO3_NO2": 4.24,
    "NO2": 0.14,
    "NH4": 3.32,
    "NO3": 4.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8674, 59.7163] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 32,
    "stn_id": "CF7",
    "water_depth": 179,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0711",
    "depth": 50.0,
    "PO4": 1.27,
    "SiOH4": 11.71,
    "NO3_NO2": 4.73,
    "NO2": 0.14,
    "NH4": 3.79,
    "NO3": 4.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8674, 59.7163] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 32,
    "stn_id": "CF7",
    "water_depth": 179,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0711",
    "depth": 75.0,
    "PO4": 1.16,
    "SiOH4": 5.42,
    "NO3_NO2": 2.19,
    "NO2": 0.1,
    "NH4": 1.22,
    "NO3": 2.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8674, 59.7163] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 32,
    "stn_id": "CF7",
    "water_depth": 179,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0711",
    "depth": 100.0,
    "PO4": 1.38,
    "SiOH4": 13.47,
    "NO3_NO2": 5.31,
    "NO2": 0.13,
    "NH4": 1.91,
    "NO3": 5.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8674, 59.7163] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 32,
    "stn_id": "CF7",
    "water_depth": 179,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0711",
    "depth": 125.0,
    "PO4": 1.8,
    "SiOH4": 16.13,
    "NO3_NO2": 6.92,
    "NO2": 0.13,
    "NH4": 1.43,
    "NO3": 6.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8674, 59.7163] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 32,
    "stn_id": "CF7",
    "water_depth": 179,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0711",
    "depth": 176.0,
    "PO4": 2.31,
    "SiOH4": 19.62,
    "NO3_NO2": 8.73,
    "NO2": 0.15,
    "NH4": 1.38,
    "NO3": 8.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.65] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 34,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0810",
    "depth": 0.0,
    "PO4": 1.79,
    "SiOH4": 11.25,
    "NO3_NO2": 2.5,
    "NO2": 0.14,
    "NH4": 1.43,
    "NO3": 2.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.65] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 34,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0810",
    "depth": 10.0,
    "PO4": 1.73,
    "SiOH4": 11.19,
    "NO3_NO2": 2.78,
    "NO2": 0.11,
    "NH4": 2.23,
    "NO3": 2.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.65] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 34,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0810",
    "depth": 20.0,
    "PO4": 1.45,
    "SiOH4": 11.47,
    "NO3_NO2": 2.87,
    "NO2": 0.09,
    "NH4": 0.53,
    "NO3": 2.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.65] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 34,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0810",
    "depth": 40.0,
    "PO4": 1.25,
    "SiOH4": 11.41,
    "NO3_NO2": 3.06,
    "NO2": 0.14,
    "NH4": 0.4,
    "NO3": 2.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.65] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 34,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0810",
    "depth": 50.0,
    "PO4": 1.24,
    "SiOH4": 10.84,
    "NO3_NO2": 3.05,
    "NO2": 0.14,
    "NH4": 1.11,
    "NO3": 2.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.65] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 34,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0810",
    "depth": 75.0,
    "PO4": 1.2,
    "SiOH4": 11.63,
    "NO3_NO2": 3.53,
    "NO2": 0.18,
    "NH4": 2.15,
    "NO3": 3.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.65] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 34,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0810",
    "depth": 100.0,
    "PO4": 1.48,
    "SiOH4": 14.6,
    "NO3_NO2": 4.78,
    "NO2": 0.15,
    "NH4": 0.08,
    "NO3": 4.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.65] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 34,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0810",
    "depth": 125.0,
    "PO4": 1.71,
    "SiOH4": 16.23,
    "NO3_NO2": 5.44,
    "NO2": 0.11,
    "NH4": 0.0,
    "NO3": 5.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.65] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 34,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0810",
    "depth": 172.0,
    "PO4": 1.99,
    "SiOH4": 18.53,
    "NO3_NO2": 6.59,
    "NO2": 0.11,
    "NH4": 0.42,
    "NO3": 6.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8667, 59.5834] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 36,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0907",
    "depth": 0.0,
    "PO4": 0.65,
    "SiOH4": 11.22,
    "NO3_NO2": 2.65,
    "NO2": 0.15,
    "NH4": 0.69,
    "NO3": 2.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8667, 59.5834] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 36,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0907",
    "depth": 10.0,
    "PO4": 0.9,
    "SiOH4": 10.99,
    "NO3_NO2": 2.83,
    "NO2": 0.15,
    "NH4": 0.93,
    "NO3": 2.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8667, 59.5834] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 36,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0907",
    "depth": 20.0,
    "PO4": 1.05,
    "SiOH4": 11.1,
    "NO3_NO2": 2.83,
    "NO2": 0.16,
    "NH4": 0.61,
    "NO3": 2.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8667, 59.5834] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 36,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0907",
    "depth": 30.0,
    "PO4": 0.99,
    "SiOH4": 10.87,
    "NO3_NO2": 2.92,
    "NO2": 0.15,
    "NH4": 2.63,
    "NO3": 2.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8667, 59.5834] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 36,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0907",
    "depth": 40.0,
    "PO4": 1.0,
    "SiOH4": 10.82,
    "NO3_NO2": 3.01,
    "NO2": 0.16,
    "NH4": 2.89,
    "NO3": 2.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8667, 59.5834] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 36,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0907",
    "depth": 50.0,
    "PO4": 1.09,
    "SiOH4": 10.76,
    "NO3_NO2": 3.01,
    "NO2": 0.16,
    "NH4": 0.16,
    "NO3": 2.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8667, 59.5834] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 36,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0907",
    "depth": 75.0,
    "PO4": 1.19,
    "SiOH4": 13.57,
    "NO3_NO2": 4.06,
    "NO2": 0.15,
    "NH4": 2.1,
    "NO3": 3.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8667, 59.5834] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 36,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0907",
    "depth": 100.0,
    "PO4": 1.6,
    "SiOH4": 14.69,
    "NO3_NO2": 4.73,
    "NO2": 0.16,
    "NH4": 0.9,
    "NO3": 4.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8667, 59.5834] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 36,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0907",
    "depth": 125.0,
    "PO4": 1.7,
    "SiOH4": 16.99,
    "NO3_NO2": 5.78,
    "NO2": 0.14,
    "NH4": 0.19,
    "NO3": 5.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8667, 59.5834] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 36,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0907",
    "depth": 172.0,
    "PO4": 2.32,
    "SiOH4": 25.71,
    "NO3_NO2": 7.6,
    "NO2": 0.18,
    "NH4": 1.59,
    "NO3": 7.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.5173] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 38,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1016",
    "depth": 0.0,
    "PO4": 1.04,
    "SiOH4": 10.61,
    "NO3_NO2": 2.35,
    "NO2": 0.13,
    "NH4": 1.17,
    "NO3": 2.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.5173] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 38,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1016",
    "depth": 10.0,
    "PO4": 1.13,
    "SiOH4": 10.41,
    "NO3_NO2": 2.56,
    "NO2": 0.13,
    "NH4": 0.27,
    "NO3": 2.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.5173] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 38,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1016",
    "depth": 20.0,
    "PO4": 1.11,
    "SiOH4": 10.22,
    "NO3_NO2": 2.66,
    "NO2": 0.13,
    "NH4": 1.92,
    "NO3": 2.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.5173] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 38,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1016",
    "depth": 30.0,
    "PO4": 1.09,
    "SiOH4": 10.2,
    "NO3_NO2": 2.87,
    "NO2": 0.13,
    "NH4": 0.65,
    "NO3": 2.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.5173] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 38,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1016",
    "depth": 40.0,
    "PO4": 1.05,
    "SiOH4": 10.51,
    "NO3_NO2": 3.08,
    "NO2": 0.13,
    "NH4": 0.84,
    "NO3": 2.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.5173] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 38,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1016",
    "depth": 50.0,
    "PO4": 1.08,
    "SiOH4": 10.82,
    "NO3_NO2": 3.29,
    "NO2": 0.13,
    "NH4": 1.02,
    "NO3": 3.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.5173] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 38,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1016",
    "depth": 75.0,
    "PO4": 1.27,
    "SiOH4": 12.99,
    "NO3_NO2": 4.25,
    "NO2": 0.13,
    "NH4": 1.53,
    "NO3": 4.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.5173] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 38,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1016",
    "depth": 100.0,
    "PO4": 1.41,
    "SiOH4": 15.84,
    "NO3_NO2": 5.32,
    "NO2": 0.16,
    "NH4": 4.19,
    "NO3": 5.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.5173] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 38,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1016",
    "depth": 125.0,
    "PO4": 1.66,
    "SiOH4": 17.67,
    "NO3_NO2": 6.17,
    "NO2": 0.12,
    "NH4": 1.14,
    "NO3": 6.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.5173] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 38,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1016",
    "depth": 169.0,
    "PO4": 2.12,
    "SiOH4": 20.34,
    "NO3_NO2": 7.02,
    "NO2": 0.15,
    "NH4": 1.11,
    "NO3": 6.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8668, 59.4509] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 40,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1119",
    "depth": 0.0,
    "PO4": 0.0,
    "SiOH4": 11.71,
    "NO3_NO2": 1.87,
    "NO2": 0.16,
    "NH4": 2.89,
    "NO3": 1.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8668, 59.4509] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 40,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1119",
    "depth": 10.0,
    "PO4": 0.36,
    "SiOH4": 11.52,
    "NO3_NO2": 2.08,
    "NO2": 0.17,
    "NH4": 0.75,
    "NO3": 1.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8668, 59.4509] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 40,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1119",
    "depth": 20.0,
    "PO4": 0.63,
    "SiOH4": 11.33,
    "NO3_NO2": 2.18,
    "NO2": 0.17,
    "NH4": 1.55,
    "NO3": 2.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8668, 59.4509] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 40,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1119",
    "depth": 30.0,
    "PO4": 0.82,
    "SiOH4": 11.64,
    "NO3_NO2": 2.29,
    "NO2": 0.18,
    "NH4": 1.84,
    "NO3": 2.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8668, 59.4509] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 40,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1119",
    "depth": 40.0,
    "PO4": 0.88,
    "SiOH4": 11.28,
    "NO3_NO2": 2.39,
    "NO2": 0.19,
    "NH4": 1.42,
    "NO3": 2.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8668, 59.4509] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 40,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1119",
    "depth": 50.0,
    "PO4": 0.92,
    "SiOH4": 11.43,
    "NO3_NO2": 2.49,
    "NO2": 0.2,
    "NH4": 2.08,
    "NO3": 2.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8668, 59.4509] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 40,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1119",
    "depth": 75.0,
    "PO4": 1.06,
    "SiOH4": 14.1,
    "NO3_NO2": 3.23,
    "NO2": 0.17,
    "NH4": 2.72,
    "NO3": 3.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8668, 59.4509] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 40,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1119",
    "depth": 100.0,
    "PO4": 1.46,
    "SiOH4": 18.3,
    "NO3_NO2": 4.84,
    "NO2": 0.11,
    "NH4": 2.38,
    "NO3": 4.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8668, 59.4509] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 40,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1119",
    "depth": 125.0,
    "PO4": 1.71,
    "SiOH4": 20.3,
    "NO3_NO2": 5.37,
    "NO2": 0.14,
    "NH4": 3.23,
    "NO3": 5.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8668, 59.4509] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 40,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1119",
    "depth": 179.0,
    "PO4": 2.09,
    "SiOH4": 21.79,
    "NO3_NO2": 5.9,
    "NO2": 0.16,
    "NH4": 1.38,
    "NO3": 5.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 60.099] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 41,
    "stn_id": "AHC9",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0605",
    "depth": 0.0,
    "PO4": 0.74,
    "SiOH4": 11.2,
    "NO3_NO2": 2.3,
    "NO2": 0.18,
    "NH4": 2.32,
    "NO3": 2.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 60.099] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 41,
    "stn_id": "AHC9",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0605",
    "depth": 25.0,
    "PO4": 0.93,
    "SiOH4": 11.09,
    "NO3_NO2": 2.61,
    "NO2": 0.19,
    "NH4": 2.24,
    "NO3": 2.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 60.099] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 41,
    "stn_id": "AHC9",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0605",
    "depth": 50.0,
    "PO4": 1.17,
    "SiOH4": 9.97,
    "NO3_NO2": 2.45,
    "NO2": 0.16,
    "NH4": 1.43,
    "NO3": 2.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 60.099] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 41,
    "stn_id": "AHC9",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0605",
    "depth": 75.0,
    "PO4": 1.15,
    "SiOH4": 11.05,
    "NO3_NO2": 2.76,
    "NO2": 0.16,
    "NH4": 0.81,
    "NO3": 2.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 60.099] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 41,
    "stn_id": "AHC9",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0605",
    "depth": 100.0,
    "PO4": 1.2,
    "SiOH4": 11.78,
    "NO3_NO2": 3.06,
    "NO2": 0.14,
    "NH4": 0.61,
    "NO3": 2.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 60.099] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 41,
    "stn_id": "AHC9",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0605",
    "depth": 256.0,
    "PO4": 1.79,
    "SiOH4": 17.58,
    "NO3_NO2": 5.67,
    "NO2": 0.16,
    "NH4": 0.76,
    "NO3": 5.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1087, 59.9988] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 42,
    "stn_id": "AHC8",
    "water_depth": 195,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0659",
    "depth": 0.0,
    "PO4": 0.94,
    "SiOH4": 9.88,
    "NO3_NO2": 3.83,
    "NO2": 0.13,
    "NH4": 2.29,
    "NO3": 3.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1087, 59.9988] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 42,
    "stn_id": "AHC8",
    "water_depth": 195,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0659",
    "depth": 25.0,
    "PO4": 0.97,
    "SiOH4": 8.77,
    "NO3_NO2": 3.83,
    "NO2": 0.1,
    "NH4": 0.03,
    "NO3": 3.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1087, 59.9988] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 42,
    "stn_id": "AHC8",
    "water_depth": 195,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0659",
    "depth": 50.0,
    "PO4": 1.15,
    "SiOH4": 10.18,
    "NO3_NO2": 4.14,
    "NO2": 0.1,
    "NH4": 0.28,
    "NO3": 4.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1087, 59.9988] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 42,
    "stn_id": "AHC8",
    "water_depth": 195,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0659",
    "depth": 75.0,
    "PO4": 1.1,
    "SiOH4": 7.71,
    "NO3_NO2": 3.83,
    "NO2": 0.08,
    "NH4": 0.46,
    "NO3": 3.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1087, 59.9988] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 42,
    "stn_id": "AHC8",
    "water_depth": 195,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0659",
    "depth": 100.0,
    "PO4": 1.05,
    "SiOH4": 7.26,
    "NO3_NO2": 3.83,
    "NO2": 0.1,
    "NH4": 0.74,
    "NO3": 3.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1087, 59.9988] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 42,
    "stn_id": "AHC8",
    "water_depth": 195,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0659",
    "depth": 192.0,
    "PO4": 1.48,
    "SiOH4": 24.2,
    "NO3_NO2": 7.36,
    "NO2": 0.14,
    "NH4": 0.31,
    "NO3": 7.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1075, 59.9004] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 43,
    "stn_id": "AHC7",
    "water_depth": 214,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0748",
    "depth": 0.0,
    "PO4": 0.97,
    "SiOH4": 11.1,
    "NO3_NO2": 2.76,
    "NO2": 0.12,
    "NH4": 0.88,
    "NO3": 2.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1075, 59.9004] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 43,
    "stn_id": "AHC7",
    "water_depth": 214,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0748",
    "depth": 25.0,
    "PO4": 1.16,
    "SiOH4": 10.99,
    "NO3_NO2": 2.91,
    "NO2": 0.13,
    "NH4": 0.02,
    "NO3": 2.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1075, 59.9004] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 43,
    "stn_id": "AHC7",
    "water_depth": 214,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0748",
    "depth": 50.0,
    "PO4": 1.19,
    "SiOH4": 10.21,
    "NO3_NO2": 2.76,
    "NO2": 0.12,
    "NH4": 1.42,
    "NO3": 2.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1075, 59.9004] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 43,
    "stn_id": "AHC7",
    "water_depth": 214,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0748",
    "depth": 75.0,
    "PO4": 1.22,
    "SiOH4": 12.13,
    "NO3_NO2": 3.37,
    "NO2": 0.17,
    "NH4": 0.75,
    "NO3": 3.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1075, 59.9004] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 43,
    "stn_id": "AHC7",
    "water_depth": 214,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0748",
    "depth": 100.0,
    "PO4": 1.3,
    "SiOH4": 12.19,
    "NO3_NO2": 3.52,
    "NO2": 0.18,
    "NH4": 0.42,
    "NO3": 3.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1075, 59.9004] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 43,
    "stn_id": "AHC7",
    "water_depth": 214,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0748",
    "depth": 211.0,
    "PO4": 1.7,
    "SiOH4": 17.15,
    "NO3_NO2": 5.67,
    "NO2": 0.14,
    "NH4": 0.99,
    "NO3": 5.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0729, 59.8007] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 44,
    "stn_id": "AHC6",
    "water_depth": 202,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0842",
    "depth": 0.0,
    "PO4": 0.96,
    "SiOH4": 10.05,
    "NO3_NO2": 2.46,
    "NO2": 0.09,
    "NH4": 4.1,
    "NO3": 2.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0729, 59.8007] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 44,
    "stn_id": "AHC6",
    "water_depth": 202,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0842",
    "depth": 25.0,
    "PO4": 1.15,
    "SiOH4": 10.49,
    "NO3_NO2": 3.05,
    "NO2": 0.1,
    "NH4": 1.14,
    "NO3": 2.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0729, 59.8007] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 44,
    "stn_id": "AHC6",
    "water_depth": 202,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0842",
    "depth": 50.0,
    "PO4": 1.12,
    "SiOH4": 10.75,
    "NO3_NO2": 3.44,
    "NO2": 0.1,
    "NH4": 0.94,
    "NO3": 3.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0729, 59.8007] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 44,
    "stn_id": "AHC6",
    "water_depth": 202,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0842",
    "depth": 75.0,
    "PO4": 1.31,
    "SiOH4": 11.7,
    "NO3_NO2": 3.84,
    "NO2": 0.12,
    "NH4": 0.93,
    "NO3": 3.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0729, 59.8007] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 44,
    "stn_id": "AHC6",
    "water_depth": 202,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0842",
    "depth": 100.0,
    "PO4": 1.23,
    "SiOH4": 7.91,
    "NO3_NO2": 3.19,
    "NO2": 0.1,
    "NH4": 1.07,
    "NO3": 3.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0729, 59.8007] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 44,
    "stn_id": "AHC6",
    "water_depth": 202,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0842",
    "depth": 199.0,
    "PO4": 1.71,
    "SiOH4": 16.11,
    "NO3_NO2": 6.27,
    "NO2": 0.11,
    "NH4": 1.75,
    "NO3": 6.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.074, 59.7005] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 45,
    "stn_id": "AHC5",
    "water_depth": 205,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0935",
    "depth": 0.0,
    "PO4": 0.9,
    "SiOH4": 10.64,
    "NO3_NO2": 2.94,
    "NO2": 0.11,
    "NH4": 0.59,
    "NO3": 2.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.074, 59.7005] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 45,
    "stn_id": "AHC5",
    "water_depth": 205,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0935",
    "depth": 25.0,
    "PO4": 0.98,
    "SiOH4": 10.57,
    "NO3_NO2": 3.13,
    "NO2": 0.14,
    "NH4": 0.34,
    "NO3": 2.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.074, 59.7005] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 45,
    "stn_id": "AHC5",
    "water_depth": 205,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0935",
    "depth": 50.0,
    "PO4": 1.06,
    "SiOH4": 10.5,
    "NO3_NO2": 3.31,
    "NO2": 0.12,
    "NH4": 0.01,
    "NO3": 3.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.074, 59.7005] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 45,
    "stn_id": "AHC5",
    "water_depth": 205,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0935",
    "depth": 75.0,
    "PO4": 1.25,
    "SiOH4": 12.28,
    "NO3_NO2": 4.12,
    "NO2": 0.13,
    "NH4": 0.07,
    "NO3": 3.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.074, 59.7005] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 45,
    "stn_id": "AHC5",
    "water_depth": 205,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0935",
    "depth": 100.0,
    "PO4": 1.38,
    "SiOH4": 12.38,
    "NO3_NO2": 4.3,
    "NO2": 0.13,
    "NH4": 0.14,
    "NO3": 4.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.074, 59.7005] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 45,
    "stn_id": "AHC5",
    "water_depth": 205,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0935",
    "depth": 201.0,
    "PO4": 1.76,
    "SiOH4": 27.16,
    "NO3_NO2": 10.06,
    "NO2": 0.13,
    "NH4": 1.48,
    "NO3": 9.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0751, 59.5996] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 46,
    "stn_id": "AHC4",
    "water_depth": 206,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1034",
    "depth": 0.0,
    "PO4": 1.23,
    "SiOH4": 11.22,
    "NO3_NO2": 3.43,
    "NO2": 0.1,
    "NH4": 2.39,
    "NO3": 3.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0751, 59.5996] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 46,
    "stn_id": "AHC4",
    "water_depth": 206,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1034",
    "depth": 25.0,
    "PO4": 1.31,
    "SiOH4": 11.15,
    "NO3_NO2": 3.62,
    "NO2": 0.12,
    "NH4": 0.87,
    "NO3": 3.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0751, 59.5996] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 46,
    "stn_id": "AHC4",
    "water_depth": 206,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1034",
    "depth": 50.0,
    "PO4": 1.32,
    "SiOH4": 13.28,
    "NO3_NO2": 3.8,
    "NO2": 0.12,
    "NH4": 1.06,
    "NO3": 3.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0751, 59.5996] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 46,
    "stn_id": "AHC4",
    "water_depth": 206,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1034",
    "depth": 75.0,
    "PO4": 1.29,
    "SiOH4": 8.65,
    "NO3_NO2": 3.16,
    "NO2": 0.08,
    "NH4": 2.32,
    "NO3": 3.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0751, 59.5996] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 46,
    "stn_id": "AHC4",
    "water_depth": 206,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1034",
    "depth": 100.0,
    "PO4": 1.32,
    "SiOH4": 12.97,
    "NO3_NO2": 4.17,
    "NO2": 0.12,
    "NH4": 2.79,
    "NO3": 4.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0751, 59.5996] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 46,
    "stn_id": "AHC4",
    "water_depth": 206,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1034",
    "depth": 203.0,
    "PO4": 1.96,
    "SiOH4": 26.56,
    "NO3_NO2": 9.31,
    "NO2": 0.13,
    "NH4": 2.56,
    "NO3": 9.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.073, 59.501] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 47,
    "stn_id": "AHC3",
    "water_depth": 220,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1145",
    "depth": 0.0,
    "PO4": 1.03,
    "SiOH4": 10.1,
    "NO3_NO2": 2.7,
    "NO2": 0.14,
    "NH4": 0.06,
    "NO3": 2.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.073, 59.501] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 47,
    "stn_id": "AHC3",
    "water_depth": 220,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1145",
    "depth": 25.0,
    "PO4": 1.02,
    "SiOH4": 10.24,
    "NO3_NO2": 3.0,
    "NO2": 0.15,
    "NH4": 1.13,
    "NO3": 2.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.073, 59.501] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 47,
    "stn_id": "AHC3",
    "water_depth": 220,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1145",
    "depth": 50.0,
    "PO4": 1.14,
    "SiOH4": 10.21,
    "NO3_NO2": 2.97,
    "NO2": 0.15,
    "NH4": 4.09,
    "NO3": 2.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.073, 59.501] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 47,
    "stn_id": "AHC3",
    "water_depth": 220,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1145",
    "depth": 75.0,
    "PO4": 1.29,
    "SiOH4": 11.03,
    "NO3_NO2": 3.96,
    "NO2": 0.15,
    "NH4": 1.55,
    "NO3": 3.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.073, 59.501] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 47,
    "stn_id": "AHC3",
    "water_depth": 220,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1145",
    "depth": 100.0,
    "PO4": 1.39,
    "SiOH4": 12.02,
    "NO3_NO2": 4.61,
    "NO2": 0.15,
    "NH4": 0.26,
    "NO3": 4.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.073, 59.501] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 47,
    "stn_id": "AHC3",
    "water_depth": 220,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1145",
    "depth": 219.0,
    "PO4": 1.49,
    "SiOH4": 10.3,
    "NO3_NO2": 4.57,
    "NO2": 0.13,
    "NH4": 0.22,
    "NO3": 4.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.075, 59.4] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 48,
    "stn_id": "AHC2",
    "water_depth": 207,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1242",
    "depth": 0.0,
    "PO4": 1.08,
    "SiOH4": 8.59,
    "NO3_NO2": 2.83,
    "NO2": 0.07,
    "NH4": 0.02,
    "NO3": 2.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.075, 59.4] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 48,
    "stn_id": "AHC2",
    "water_depth": 207,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1242",
    "depth": 25.0,
    "PO4": 1.05,
    "SiOH4": 10.92,
    "NO3_NO2": 3.81,
    "NO2": 0.12,
    "NH4": 0.1,
    "NO3": 3.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.075, 59.4] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 48,
    "stn_id": "AHC2",
    "water_depth": 207,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1242",
    "depth": 50.0,
    "PO4": 1.25,
    "SiOH4": 11.4,
    "NO3_NO2": 3.78,
    "NO2": 0.12,
    "NH4": 0.11,
    "NO3": 3.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.075, 59.4] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 48,
    "stn_id": "AHC2",
    "water_depth": 207,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1242",
    "depth": 75.0,
    "PO4": 1.35,
    "SiOH4": 11.71,
    "NO3_NO2": 4.08,
    "NO2": 0.11,
    "NH4": 0.28,
    "NO3": 3.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.075, 59.4] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 48,
    "stn_id": "AHC2",
    "water_depth": 207,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1242",
    "depth": 100.0,
    "PO4": 1.5,
    "SiOH4": 13.54,
    "NO3_NO2": 5.07,
    "NO2": 0.12,
    "NH4": 2.55,
    "NO3": 4.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.075, 59.4] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 48,
    "stn_id": "AHC2",
    "water_depth": 207,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1242",
    "depth": 195.0,
    "PO4": 1.76,
    "SiOH4": 23.64,
    "NO3_NO2": 8.8,
    "NO2": 0.13,
    "NH4": 0.86,
    "NO3": 8.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0756, 59.3007] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 49,
    "stn_id": "AHC1",
    "water_depth": 196,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1339",
    "depth": 0.0,
    "PO4": 1.38,
    "SiOH4": 12.48,
    "NO3_NO2": 3.63,
    "NO2": 0.14,
    "NH4": 0.63,
    "NO3": 3.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0756, 59.3007] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 49,
    "stn_id": "AHC1",
    "water_depth": 196,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1339",
    "depth": 25.0,
    "PO4": 1.39,
    "SiOH4": 12.45,
    "NO3_NO2": 3.94,
    "NO2": 0.14,
    "NH4": 0.99,
    "NO3": 3.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0756, 59.3007] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 49,
    "stn_id": "AHC1",
    "water_depth": 196,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1339",
    "depth": 50.0,
    "PO4": 1.41,
    "SiOH4": 11.41,
    "NO3_NO2": 3.9,
    "NO2": 0.15,
    "NH4": 1.61,
    "NO3": 3.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0756, 59.3007] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 49,
    "stn_id": "AHC1",
    "water_depth": 196,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1339",
    "depth": 75.0,
    "PO4": 1.46,
    "SiOH4": 11.55,
    "NO3_NO2": 4.21,
    "NO2": 0.17,
    "NH4": 2.36,
    "NO3": 4.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0756, 59.3007] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 49,
    "stn_id": "AHC1",
    "water_depth": 196,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1339",
    "depth": 100.0,
    "PO4": 1.58,
    "SiOH4": 11.7,
    "NO3_NO2": 4.52,
    "NO2": 0.22,
    "NH4": 2.82,
    "NO3": 4.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0756, 59.3007] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 49,
    "stn_id": "AHC1",
    "water_depth": 196,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1339",
    "depth": 190.0,
    "PO4": 1.79,
    "SiOH4": 22.81,
    "NO3_NO2": 8.92,
    "NO2": 0.13,
    "NH4": 5.46,
    "NO3": 8.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9434, 59.6173] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 60,
    "stn_id": "E3A",
    "water_depth": 173,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "1850",
    "depth": 0.0,
    "PO4": 1.29,
    "SiOH4": 10.91,
    "NO3_NO2": 1.67,
    "NO2": 0.14,
    "NH4": 2.97,
    "NO3": 1.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9434, 59.6173] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 60,
    "stn_id": "E3A",
    "water_depth": 173,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "1850",
    "depth": 25.0,
    "PO4": 1.23,
    "SiOH4": 11.01,
    "NO3_NO2": 1.98,
    "NO2": 0.15,
    "NH4": 6.4,
    "NO3": 1.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9434, 59.6173] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 60,
    "stn_id": "E3A",
    "water_depth": 173,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "1850",
    "depth": 50.0,
    "PO4": 1.33,
    "SiOH4": 11.1,
    "NO3_NO2": 1.94,
    "NO2": 0.15,
    "NH4": 7.49,
    "NO3": 1.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9434, 59.6173] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 60,
    "stn_id": "E3A",
    "water_depth": 173,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "1850",
    "depth": 100.0,
    "PO4": 1.54,
    "SiOH4": 12.97,
    "NO3_NO2": 3.27,
    "NO2": 0.13,
    "NH4": 4.09,
    "NO3": 3.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9434, 59.6173] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 60,
    "stn_id": "E3A",
    "water_depth": 173,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "1850",
    "depth": 125.0,
    "PO4": 1.56,
    "SiOH4": 13.77,
    "NO3_NO2": 3.92,
    "NO2": 0.13,
    "NH4": 5.82,
    "NO3": 3.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9434, 59.6173] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 60,
    "stn_id": "E3A",
    "water_depth": 173,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "1850",
    "depth": 167.0,
    "PO4": 1.79,
    "SiOH4": 21.49,
    "NO3_NO2": 5.6,
    "NO2": 0.14,
    "NH4": 2.71,
    "NO3": 5.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0487, 59.5854] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 61,
    "stn_id": "E3B",
    "water_depth": 182,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "1937",
    "depth": 0.0,
    "PO4": 1.22,
    "SiOH4": 13.07,
    "NO3_NO2": 2.14,
    "NO2": 0.14,
    "NH4": 2.45,
    "NO3": 2.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0487, 59.5854] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 61,
    "stn_id": "E3B",
    "water_depth": 182,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "1937",
    "depth": 25.0,
    "PO4": 1.32,
    "SiOH4": 12.99,
    "NO3_NO2": 2.11,
    "NO2": 0.15,
    "NH4": 2.9,
    "NO3": 1.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0487, 59.5854] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 61,
    "stn_id": "E3B",
    "water_depth": 182,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "1937",
    "depth": 50.0,
    "PO4": 1.37,
    "SiOH4": 13.08,
    "NO3_NO2": 2.41,
    "NO2": 0.15,
    "NH4": 4.36,
    "NO3": 2.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0487, 59.5854] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 61,
    "stn_id": "E3B",
    "water_depth": 182,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "1937",
    "depth": 100.0,
    "PO4": 1.36,
    "SiOH4": 15.48,
    "NO3_NO2": 4.08,
    "NO2": 0.13,
    "NH4": 4.6,
    "NO3": 3.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0487, 59.5854] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 61,
    "stn_id": "E3B",
    "water_depth": 182,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "1937",
    "depth": 125.0,
    "PO4": 1.65,
    "SiOH4": 18.06,
    "NO3_NO2": 4.73,
    "NO2": 0.13,
    "NH4": 5.51,
    "NO3": 4.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0487, 59.5854] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 61,
    "stn_id": "E3B",
    "water_depth": 182,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "1937",
    "depth": 177.0,
    "PO4": 1.91,
    "SiOH4": 23.29,
    "NO3_NO2": 7.09,
    "NO2": 0.14,
    "NH4": 4.95,
    "NO3": 6.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1904, 59.5529] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 62,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "2016",
    "depth": 0.0,
    "PO4": 1.21,
    "SiOH4": 10.97,
    "NO3_NO2": 2.27,
    "NO2": 0.15,
    "NH4": 2.27,
    "NO3": 2.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1904, 59.5529] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 62,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "2016",
    "depth": 25.0,
    "PO4": 1.31,
    "SiOH4": 11.24,
    "NO3_NO2": 2.57,
    "NO2": 0.15,
    "NH4": 4.45,
    "NO3": 2.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1904, 59.5529] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 62,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "2016",
    "depth": 50.0,
    "PO4": 1.3,
    "SiOH4": 11.51,
    "NO3_NO2": 2.54,
    "NO2": 0.15,
    "NH4": 6.04,
    "NO3": 2.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1904, 59.5529] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 62,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "2016",
    "depth": 100.0,
    "PO4": 1.29,
    "SiOH4": 11.6,
    "NO3_NO2": 2.84,
    "NO2": 0.19,
    "NH4": 2.75,
    "NO3": 2.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1904, 59.5529] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 62,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "2016",
    "depth": 125.0,
    "PO4": 1.34,
    "SiOH4": 15.6,
    "NO3_NO2": 4.52,
    "NO2": 0.15,
    "NH4": 3.18,
    "NO3": 4.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1904, 59.5529] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 62,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "2016",
    "depth": 200.0,
    "PO4": 1.73,
    "SiOH4": 24.39,
    "NO3_NO2": 7.56,
    "NO2": 0.15,
    "NH4": 4.24,
    "NO3": 7.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3121, 59.5268] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 63,
    "stn_id": "E3C",
    "water_depth": 230,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "2056",
    "depth": 0.0,
    "PO4": 0.67,
    "SiOH4": 12.05,
    "NO3_NO2": 4.64,
    "NO2": 0.1,
    "NH4": 1.34,
    "NO3": 4.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3121, 59.5268] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 63,
    "stn_id": "E3C",
    "water_depth": 230,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "2056",
    "depth": 25.0,
    "PO4": 0.6,
    "SiOH4": 11.45,
    "NO3_NO2": 5.35,
    "NO2": 0.13,
    "NH4": 3.59,
    "NO3": 5.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3121, 59.5268] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 63,
    "stn_id": "E3C",
    "water_depth": 230,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "2056",
    "depth": 50.0,
    "PO4": 0.6,
    "SiOH4": 11.56,
    "NO3_NO2": 5.87,
    "NO2": 0.14,
    "NH4": 3.93,
    "NO3": 5.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3121, 59.5268] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 63,
    "stn_id": "E3C",
    "water_depth": 230,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "2056",
    "depth": 100.0,
    "PO4": 0.72,
    "SiOH4": 11.85,
    "NO3_NO2": 6.52,
    "NO2": 0.15,
    "NH4": 3.26,
    "NO3": 6.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3121, 59.5268] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 63,
    "stn_id": "E3C",
    "water_depth": 230,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "2056",
    "depth": 125.0,
    "PO4": 0.75,
    "SiOH4": 15.47,
    "NO3_NO2": 9.92,
    "NO2": 0.11,
    "NH4": 3.13,
    "NO3": 9.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3121, 59.5268] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 63,
    "stn_id": "E3C",
    "water_depth": 230,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "2056",
    "depth": 199.0,
    "PO4": 0.94,
    "SiOH4": 24.18,
    "NO3_NO2": 15.86,
    "NO2": 0.11,
    "NH4": 3.92,
    "NO3": 15.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4961, 59.4953] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 64,
    "stn_id": "E3D",
    "water_depth": 111,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "2142",
    "depth": 0.0,
    "PO4": 0.39,
    "SiOH4": 10.95,
    "NO3_NO2": 5.4,
    "NO2": 0.12,
    "NH4": 1.36,
    "NO3": 5.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4961, 59.4953] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 64,
    "stn_id": "E3D",
    "water_depth": 111,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "2142",
    "depth": 25.0,
    "PO4": 0.45,
    "SiOH4": 10.88,
    "NO3_NO2": 5.59,
    "NO2": 0.12,
    "NH4": 3.41,
    "NO3": 5.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4961, 59.4953] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 64,
    "stn_id": "E3D",
    "water_depth": 111,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "2142",
    "depth": 50.0,
    "PO4": 0.38,
    "SiOH4": 10.64,
    "NO3_NO2": 5.59,
    "NO2": 0.15,
    "NH4": 2.69,
    "NO3": 5.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4961, 59.4953] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 64,
    "stn_id": "E3D",
    "water_depth": 111,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "2142",
    "depth": 104.0,
    "PO4": 0.46,
    "SiOH4": 11.45,
    "NO3_NO2": 6.04,
    "NO2": 0.14,
    "NH4": 2.66,
    "NO3": 5.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3598, 59.3388] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 65,
    "stn_id": "E4D",
    "water_depth": 137,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "2257",
    "depth": 0.0,
    "PO4": 0.02,
    "SiOH4": 10.86,
    "NO3_NO2": 5.12,
    "NO2": 0.16,
    "NH4": 2.4,
    "NO3": 4.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3598, 59.3388] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 65,
    "stn_id": "E4D",
    "water_depth": 137,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "2257",
    "depth": 25.0,
    "PO4": 0.16,
    "SiOH4": 10.97,
    "NO3_NO2": 5.18,
    "NO2": 0.16,
    "NH4": 2.36,
    "NO3": 5.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3598, 59.3388] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 65,
    "stn_id": "E4D",
    "water_depth": 137,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "2257",
    "depth": 50.0,
    "PO4": 0.14,
    "SiOH4": 11.26,
    "NO3_NO2": 5.44,
    "NO2": 0.15,
    "NH4": 1.83,
    "NO3": 5.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3598, 59.3388] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 65,
    "stn_id": "E4D",
    "water_depth": 137,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "2257",
    "depth": 100.0,
    "PO4": 0.62,
    "SiOH4": 21.02,
    "NO3_NO2": 11.19,
    "NO2": 0.1,
    "NH4": 1.23,
    "NO3": 11.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3598, 59.3388] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 65,
    "stn_id": "E4D",
    "water_depth": 137,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "2257",
    "depth": 132.0,
    "PO4": 0.9,
    "SiOH4": 23.24,
    "NO3_NO2": 11.77,
    "NO2": 0.11,
    "NH4": 1.77,
    "NO3": 11.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1868, 59.3817] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 66,
    "stn_id": "E4C",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "2356",
    "depth": 0.0,
    "PO4": 0.25,
    "SiOH4": 11.89,
    "NO3_NO2": 3.41,
    "NO2": 0.18,
    "NH4": 1.55,
    "NO3": 3.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1868, 59.3817] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 66,
    "stn_id": "E4C",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "2356",
    "depth": 25.0,
    "PO4": 0.48,
    "SiOH4": 12.2,
    "NO3_NO2": 3.71,
    "NO2": 0.16,
    "NH4": 0.56,
    "NO3": 3.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1868, 59.3817] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 66,
    "stn_id": "E4C",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "2356",
    "depth": 50.0,
    "PO4": 0.57,
    "SiOH4": 11.97,
    "NO3_NO2": 3.86,
    "NO2": 0.16,
    "NH4": 2.07,
    "NO3": 3.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1868, 59.3817] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 66,
    "stn_id": "E4C",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "2356",
    "depth": 100.0,
    "PO4": 0.69,
    "SiOH4": 16.32,
    "NO3_NO2": 6.21,
    "NO2": 0.14,
    "NH4": 2.13,
    "NO3": 6.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1868, 59.3817] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 66,
    "stn_id": "E4C",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "2356",
    "depth": 125.0,
    "PO4": 1.08,
    "SiOH4": 20.83,
    "NO3_NO2": 8.03,
    "NO2": 0.12,
    "NH4": 2.18,
    "NO3": 7.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1868, 59.3817] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 66,
    "stn_id": "E4C",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "2356",
    "depth": 190.0,
    "PO4": 1.38,
    "SiOH4": 25.88,
    "NO3_NO2": 10.0,
    "NO2": 0.13,
    "NH4": 2.23,
    "NO3": 9.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0504, 59.4088] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 67,
    "stn_id": "GAK4",
    "water_depth": 203,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0045",
    "depth": 0.0,
    "PO4": 0.58,
    "SiOH4": 11.09,
    "NO3_NO2": 3.26,
    "NO2": 0.12,
    "NH4": 1.97,
    "NO3": 3.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0504, 59.4088] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 67,
    "stn_id": "GAK4",
    "water_depth": 203,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0045",
    "depth": 25.0,
    "PO4": 0.62,
    "SiOH4": 11.22,
    "NO3_NO2": 3.48,
    "NO2": 0.13,
    "NH4": 1.68,
    "NO3": 3.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0504, 59.4088] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 67,
    "stn_id": "GAK4",
    "water_depth": 203,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0045",
    "depth": 50.0,
    "PO4": 0.6,
    "SiOH4": 11.17,
    "NO3_NO2": 3.56,
    "NO2": 0.13,
    "NH4": 2.55,
    "NO3": 3.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0504, 59.4088] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 67,
    "stn_id": "GAK4",
    "water_depth": 203,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0045",
    "depth": 100.0,
    "PO4": 0.64,
    "SiOH4": 11.47,
    "NO3_NO2": 3.71,
    "NO2": 0.14,
    "NH4": 2.38,
    "NO3": 3.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0504, 59.4088] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 67,
    "stn_id": "GAK4",
    "water_depth": 203,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0045",
    "depth": 125.0,
    "PO4": 0.79,
    "SiOH4": 15.99,
    "NO3_NO2": 5.91,
    "NO2": 0.13,
    "NH4": 2.64,
    "NO3": 5.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0504, 59.4088] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 67,
    "stn_id": "GAK4",
    "water_depth": 203,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0045",
    "depth": 200.0,
    "PO4": 1.12,
    "SiOH4": 23.14,
    "NO3_NO2": 8.48,
    "NO2": 0.12,
    "NH4": 2.94,
    "NO3": 8.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9044, 59.4424] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 68,
    "stn_id": "E4B",
    "water_depth": 192,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0136",
    "depth": 0.0,
    "PO4": 0.47,
    "SiOH4": 11.69,
    "NO3_NO2": 3.18,
    "NO2": 0.12,
    "NH4": 0.73,
    "NO3": 3.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9044, 59.4424] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 68,
    "stn_id": "E4B",
    "water_depth": 192,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0136",
    "depth": 25.0,
    "PO4": 0.57,
    "SiOH4": 11.64,
    "NO3_NO2": 3.18,
    "NO2": 0.12,
    "NH4": 1.65,
    "NO3": 3.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9044, 59.4424] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 68,
    "stn_id": "E4B",
    "water_depth": 192,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0136",
    "depth": 50.0,
    "PO4": 0.53,
    "SiOH4": 11.77,
    "NO3_NO2": 3.26,
    "NO2": 0.12,
    "NH4": 2.99,
    "NO3": 3.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9044, 59.4424] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 68,
    "stn_id": "E4B",
    "water_depth": 192,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0136",
    "depth": 100.0,
    "PO4": 0.7,
    "SiOH4": 15.94,
    "NO3_NO2": 5.15,
    "NO2": 0.13,
    "NH4": 2.25,
    "NO3": 5.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9044, 59.4424] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 68,
    "stn_id": "E4B",
    "water_depth": 192,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0136",
    "depth": 125.0,
    "PO4": 0.79,
    "SiOH4": 17.47,
    "NO3_NO2": 5.53,
    "NO2": 0.13,
    "NH4": 2.88,
    "NO3": 5.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9044, 59.4424] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 68,
    "stn_id": "E4B",
    "water_depth": 192,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0136",
    "depth": 192.0,
    "PO4": 1.02,
    "SiOH4": 22.52,
    "NO3_NO2": 7.65,
    "NO2": 0.12,
    "NH4": 3.5,
    "NO3": 7.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7826, 59.4926] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 69,
    "stn_id": "E4A",
    "water_depth": 99,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0224",
    "depth": 0.0,
    "PO4": 0.14,
    "SiOH4": 11.87,
    "NO3_NO2": 2.65,
    "NO2": 0.1,
    "NH4": 2.6,
    "NO3": 2.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7826, 59.4926] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 69,
    "stn_id": "E4A",
    "water_depth": 99,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0224",
    "depth": 25.0,
    "PO4": 0.22,
    "SiOH4": 11.81,
    "NO3_NO2": 2.76,
    "NO2": 0.1,
    "NH4": 4.59,
    "NO3": 2.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7826, 59.4926] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 69,
    "stn_id": "E4A",
    "water_depth": 99,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0224",
    "depth": 50.0,
    "PO4": 0.26,
    "SiOH4": 12.63,
    "NO3_NO2": 3.08,
    "NO2": 0.11,
    "NH4": 3.4,
    "NO3": 2.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7826, 59.4926] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 69,
    "stn_id": "E4A",
    "water_depth": 99,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0224",
    "depth": 94.0,
    "PO4": 0.53,
    "SiOH4": 14.5,
    "NO3_NO2": 3.74,
    "NO2": 0.13,
    "NH4": 3.53,
    "NO3": 3.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7693, 59.2923] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 70,
    "stn_id": "E5B",
    "water_depth": 145,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0342",
    "depth": 0.0,
    "PO4": 0.14,
    "SiOH4": 12.5,
    "NO3_NO2": 2.96,
    "NO2": 0.11,
    "NH4": 2.8,
    "NO3": 2.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7693, 59.2923] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 70,
    "stn_id": "E5B",
    "water_depth": 145,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0342",
    "depth": 25.0,
    "PO4": 0.28,
    "SiOH4": 12.44,
    "NO3_NO2": 3.06,
    "NO2": 0.12,
    "NH4": 2.07,
    "NO3": 2.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7693, 59.2923] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 70,
    "stn_id": "E5B",
    "water_depth": 145,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0342",
    "depth": 50.0,
    "PO4": 0.52,
    "SiOH4": 12.56,
    "NO3_NO2": 3.17,
    "NO2": 0.14,
    "NH4": 1.94,
    "NO3": 3.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7693, 59.2923] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 70,
    "stn_id": "E5B",
    "water_depth": 145,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0342",
    "depth": 100.0,
    "PO4": 0.66,
    "SiOH4": 16.53,
    "NO3_NO2": 4.6,
    "NO2": 0.11,
    "NH4": 2.2,
    "NO3": 4.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7693, 59.2923] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 70,
    "stn_id": "E5B",
    "water_depth": 145,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0342",
    "depth": 125.0,
    "PO4": 0.77,
    "SiOH4": 18.23,
    "NO3_NO2": 5.37,
    "NO2": 0.1,
    "NH4": 1.65,
    "NO3": 5.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7693, 59.2923] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 70,
    "stn_id": "E5B",
    "water_depth": 145,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0342",
    "depth": 142.0,
    "PO4": 1.04,
    "SiOH4": 19.92,
    "NO3_NO2": 6.14,
    "NO2": 0.11,
    "NH4": 1.11,
    "NO3": 6.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9098, 59.2611] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 71,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0421",
    "depth": 0.0,
    "PO4": 0.49,
    "SiOH4": 12.31,
    "NO3_NO2": 2.92,
    "NO2": 0.11,
    "NH4": 1.69,
    "NO3": 2.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9098, 59.2611] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 71,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0421",
    "depth": 25.0,
    "PO4": 0.69,
    "SiOH4": 12.42,
    "NO3_NO2": 3.14,
    "NO2": 0.13,
    "NH4": 1.41,
    "NO3": 3.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9098, 59.2611] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 71,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0421",
    "depth": 50.0,
    "PO4": 0.77,
    "SiOH4": 12.54,
    "NO3_NO2": 3.24,
    "NO2": 0.13,
    "NH4": 1.72,
    "NO3": 3.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9098, 59.2611] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 71,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0421",
    "depth": 100.0,
    "PO4": 0.86,
    "SiOH4": 16.51,
    "NO3_NO2": 4.45,
    "NO2": 0.08,
    "NH4": 1.12,
    "NO3": 4.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9098, 59.2611] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 71,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0421",
    "depth": 125.0,
    "PO4": 1.08,
    "SiOH4": 19.61,
    "NO3_NO2": 5.55,
    "NO2": 0.08,
    "NH4": 1.34,
    "NO3": 5.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9098, 59.2611] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 71,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0421",
    "depth": 165.0,
    "PO4": 1.35,
    "SiOH4": 21.83,
    "NO3_NO2": 6.43,
    "NO2": 0.09,
    "NH4": 2.17,
    "NO3": 6.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0465, 59.2299] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 72,
    "stn_id": "E5C",
    "water_depth": 182,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0501",
    "depth": 0.0,
    "PO4": 0.01,
    "SiOH4": 12.72,
    "NO3_NO2": 2.46,
    "NO2": 0.15,
    "NH4": 2.1,
    "NO3": 2.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0465, 59.2299] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 72,
    "stn_id": "E5C",
    "water_depth": 182,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0501",
    "depth": 25.0,
    "PO4": 0.31,
    "SiOH4": 12.63,
    "NO3_NO2": 2.46,
    "NO2": 0.15,
    "NH4": 4.37,
    "NO3": 2.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0465, 59.2299] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 72,
    "stn_id": "E5C",
    "water_depth": 182,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0501",
    "depth": 50.0,
    "PO4": 0.4,
    "SiOH4": 12.71,
    "NO3_NO2": 2.61,
    "NO2": 0.16,
    "NH4": 3.29,
    "NO3": 2.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0465, 59.2299] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 72,
    "stn_id": "E5C",
    "water_depth": 182,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0501",
    "depth": 100.0,
    "PO4": 0.64,
    "SiOH4": 17.88,
    "NO3_NO2": 4.2,
    "NO2": 0.11,
    "NH4": 3.88,
    "NO3": 4.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0465, 59.2299] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 72,
    "stn_id": "E5C",
    "water_depth": 182,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0501",
    "depth": 125.0,
    "PO4": 0.89,
    "SiOH4": 19.89,
    "NO3_NO2": 4.78,
    "NO2": 0.11,
    "NH4": 4.14,
    "NO3": 4.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0465, 59.2299] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 72,
    "stn_id": "E5C",
    "water_depth": 182,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0501",
    "depth": 179.0,
    "PO4": 1.11,
    "SiOH4": 23.13,
    "NO3_NO2": 5.94,
    "NO2": 0.12,
    "NH4": 1.93,
    "NO3": 5.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2168, 59.1997] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 73,
    "stn_id": "E5D",
    "water_depth": 152,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0546",
    "depth": 0.0,
    "PO4": 0.48,
    "SiOH4": 11.63,
    "NO3_NO2": 3.19,
    "NO2": 0.13,
    "NH4": 2.43,
    "NO3": 3.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2168, 59.1997] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 73,
    "stn_id": "E5D",
    "water_depth": 152,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0546",
    "depth": 25.0,
    "PO4": 0.65,
    "SiOH4": 11.71,
    "NO3_NO2": 3.33,
    "NO2": 0.14,
    "NH4": 4.21,
    "NO3": 3.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2168, 59.1997] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 73,
    "stn_id": "E5D",
    "water_depth": 152,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0546",
    "depth": 50.0,
    "PO4": 0.63,
    "SiOH4": 11.79,
    "NO3_NO2": 3.62,
    "NO2": 0.14,
    "NH4": 3.05,
    "NO3": 3.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2168, 59.1997] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 73,
    "stn_id": "E5D",
    "water_depth": 152,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0546",
    "depth": 100.0,
    "PO4": 0.85,
    "SiOH4": 20.12,
    "NO3_NO2": 6.09,
    "NO2": 0.11,
    "NH4": 3.03,
    "NO3": 5.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2168, 59.1997] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 73,
    "stn_id": "E5D",
    "water_depth": 152,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0546",
    "depth": 125.0,
    "PO4": 1.1,
    "SiOH4": 23.36,
    "NO3_NO2": 7.1,
    "NO2": 0.11,
    "NH4": 3.66,
    "NO3": 6.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2168, 59.1997] },
  "properties": {
    "cruise_id": "HX216",
    "ship": "Alpha_Helix",
    "year": 1998,
    "stn_no": 73,
    "stn_id": "E5D",
    "water_depth": 152,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "0546",
    "depth": 150.0,
    "PO4": 1.4,
    "SiOH4": 24.32,
    "NO3_NO2": 6.67,
    "NO2": 0.11,
    "NH4": 3.73,
    "NO3": 6.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3564, 60.0253] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "2124",
    "depth": 0.0,
    "PO4": 0.12,
    "SiOH4": 22.3,
    "NO3_NO2": 14.22,
    "NO2": 0.11,
    "NH4": 0.65,
    "NO3": 14.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3564, 60.0253] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "2124",
    "depth": 10.0,
    "PO4": 0.73,
    "SiOH4": 22.42,
    "NO3_NO2": 14.37,
    "NO2": 0.03,
    "NH4": 0.54,
    "NO3": 14.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3564, 60.0253] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "2124",
    "depth": 20.0,
    "PO4": 0.93,
    "SiOH4": 22.55,
    "NO3_NO2": 14.43,
    "NO2": 0.02,
    "NH4": 0.35,
    "NO3": 14.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3564, 60.0253] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "2124",
    "depth": 30.0,
    "PO4": 1.08,
    "SiOH4": 22.79,
    "NO3_NO2": 14.53,
    "NO2": 0.11,
    "NH4": 0.11,
    "NO3": 14.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3564, 60.0253] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "2124",
    "depth": 50.0,
    "PO4": 1.13,
    "SiOH4": 22.8,
    "NO3_NO2": 14.74,
    "NO2": 0.08,
    "NH4": 0.06,
    "NO3": 14.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3564, 60.0253] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "2124",
    "depth": 100.0,
    "PO4": 1.1,
    "SiOH4": 22.81,
    "NO3_NO2": 14.84,
    "NO2": 0.05,
    "NH4": 0.37,
    "NO3": 14.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3564, 60.0253] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "2124",
    "depth": 150.0,
    "PO4": 1.14,
    "SiOH4": 23.28,
    "NO3_NO2": 15.42,
    "NO2": 0.02,
    "NH4": 0.12,
    "NO3": 15.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3564, 60.0253] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "3",
    "day_gmt": "14",
    "time_gmt": "2124",
    "depth": 200.0,
    "PO4": 1.29,
    "SiOH4": 25.78,
    "NO3_NO2": 16.82,
    "NO2": 0.02,
    "NH4": 0.11,
    "NO3": 16.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4685, 59.8443] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "3",
    "day_gmt": "15",
    "time_gmt": "0134",
    "depth": 0.0,
    "PO4": null,
    "SiOH4": 23.53,
    "NO3_NO2": 15.1,
    "NO2": 0.07,
    "NH4": 0.41,
    "NO3": 15.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4685, 59.8443] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "3",
    "day_gmt": "15",
    "time_gmt": "0134",
    "depth": 10.0,
    "PO4": null,
    "SiOH4": 23.54,
    "NO3_NO2": 15.16,
    "NO2": 0.1,
    "NH4": 0.18,
    "NO3": 15.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4685, 59.8443] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "3",
    "day_gmt": "15",
    "time_gmt": "0134",
    "depth": 20.0,
    "PO4": 0.69,
    "SiOH4": 23.67,
    "NO3_NO2": 15.1,
    "NO2": 0.12,
    "NH4": 0.06,
    "NO3": 14.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4685, 59.8443] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "3",
    "day_gmt": "15",
    "time_gmt": "0134",
    "depth": 30.0,
    "PO4": 0.92,
    "SiOH4": 23.57,
    "NO3_NO2": 15.21,
    "NO2": 0.12,
    "NH4": 0.12,
    "NO3": 15.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4685, 59.8443] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "3",
    "day_gmt": "15",
    "time_gmt": "0134",
    "depth": 50.0,
    "PO4": 0.89,
    "SiOH4": 23.69,
    "NO3_NO2": 15.26,
    "NO2": 0.18,
    "NH4": 0.12,
    "NO3": 15.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4685, 59.8443] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "3",
    "day_gmt": "15",
    "time_gmt": "0134",
    "depth": 100.0,
    "PO4": 1.04,
    "SiOH4": 24.38,
    "NO3_NO2": 15.68,
    "NO2": 0.15,
    "NH4": 0.0,
    "NO3": 15.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4685, 59.8443] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "3",
    "day_gmt": "15",
    "time_gmt": "0134",
    "depth": 200.0,
    "PO4": 1.01,
    "SiOH4": 25.19,
    "NO3_NO2": 16.41,
    "NO2": 0.09,
    "NH4": 0.69,
    "NO3": 16.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4685, 59.8443] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "3",
    "day_gmt": "15",
    "time_gmt": "0134",
    "depth": 250.0,
    "PO4": 1.23,
    "SiOH4": 27.58,
    "NO3_NO2": 17.71,
    "NO2": 0.09,
    "NH4": 0.79,
    "NO3": 17.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4685, 59.8443] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "3",
    "day_gmt": "15",
    "time_gmt": "0134",
    "depth": 265.0,
    "PO4": 1.21,
    "SiOH4": 27.81,
    "NO3_NO2": 17.76,
    "NO2": 0.12,
    "NH4": 0.34,
    "NO3": 17.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8687, 59.9086] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "3",
    "day_gmt": "15",
    "time_gmt": "0615",
    "depth": 0.0,
    "PO4": 0.36,
    "SiOH4": 16.45,
    "NO3_NO2": 13.78,
    "NO2": 0.02,
    "NH4": 0.61,
    "NO3": 13.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8687, 59.9086] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "3",
    "day_gmt": "15",
    "time_gmt": "0615",
    "depth": 10.0,
    "PO4": 0.71,
    "SiOH4": 16.47,
    "NO3_NO2": 14.08,
    "NO2": 0.01,
    "NH4": 0.37,
    "NO3": 14.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8687, 59.9086] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "3",
    "day_gmt": "15",
    "time_gmt": "0615",
    "depth": 30.0,
    "PO4": 0.76,
    "SiOH4": 16.94,
    "NO3_NO2": 14.28,
    "NO2": 0.03,
    "NH4": 0.27,
    "NO3": 14.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8687, 59.9086] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "3",
    "day_gmt": "15",
    "time_gmt": "0615",
    "depth": 40.0,
    "PO4": 0.92,
    "SiOH4": 17.51,
    "NO3_NO2": 14.52,
    "NO2": 0.0,
    "NH4": 0.5,
    "NO3": 14.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8687, 59.9086] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "3",
    "day_gmt": "15",
    "time_gmt": "0615",
    "depth": 50.0,
    "PO4": 0.99,
    "SiOH4": 17.54,
    "NO3_NO2": 14.67,
    "NO2": 0.02,
    "NH4": 0.5,
    "NO3": 14.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8683, 59.85] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "3",
    "day_gmt": "15",
    "time_gmt": "0716",
    "depth": 0.0,
    "PO4": 0.01,
    "SiOH4": 17.68,
    "NO3_NO2": 14.82,
    "NO2": 0.02,
    "NH4": 0.94,
    "NO3": 14.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8683, 59.85] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "3",
    "day_gmt": "15",
    "time_gmt": "0716",
    "depth": 10.0,
    "PO4": 0.14,
    "SiOH4": 17.26,
    "NO3_NO2": 15.02,
    "NO2": 0.01,
    "NH4": 0.97,
    "NO3": 15.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8683, 59.85] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "3",
    "day_gmt": "15",
    "time_gmt": "0716",
    "depth": 30.0,
    "PO4": 0.44,
    "SiOH4": 17.4,
    "NO3_NO2": 15.17,
    "NO2": 0.0,
    "NH4": 1.13,
    "NO3": 15.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8683, 59.85] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "3",
    "day_gmt": "15",
    "time_gmt": "0716",
    "depth": 40.0,
    "PO4": 0.79,
    "SiOH4": 17.64,
    "NO3_NO2": 15.22,
    "NO2": 0.02,
    "NH4": 1.17,
    "NO3": 15.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8683, 59.85] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "3",
    "day_gmt": "15",
    "time_gmt": "0716",
    "depth": 50.0,
    "PO4": 0.91,
    "SiOH4": 17.89,
    "NO3_NO2": 15.32,
    "NO2": 0.04,
    "NH4": 0.98,
    "NO3": 15.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8683, 59.85] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "3",
    "day_gmt": "15",
    "time_gmt": "0716",
    "depth": 100.0,
    "PO4": 1.28,
    "SiOH4": 17.69,
    "NO3_NO2": 15.37,
    "NO2": 0.01,
    "NH4": 0.86,
    "NO3": 15.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8683, 59.85] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "3",
    "day_gmt": "15",
    "time_gmt": "0716",
    "depth": 155.0,
    "PO4": 1.23,
    "SiOH4": 17.39,
    "NO3_NO2": 15.47,
    "NO2": 0.01,
    "NH4": 0.81,
    "NO3": 15.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8668, 59.7843] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "3",
    "day_gmt": "15",
    "time_gmt": "0831",
    "depth": 0.0,
    "PO4": 0.76,
    "SiOH4": 20.15,
    "NO3_NO2": 14.41,
    "NO2": 0.23,
    "NH4": 0.44,
    "NO3": 14.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8668, 59.7843] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "3",
    "day_gmt": "15",
    "time_gmt": "0831",
    "depth": 10.0,
    "PO4": 1.21,
    "SiOH4": 19.91,
    "NO3_NO2": 15.39,
    "NO2": 0.36,
    "NH4": 0.37,
    "NO3": 15.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8668, 59.7843] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "3",
    "day_gmt": "15",
    "time_gmt": "0831",
    "depth": 30.0,
    "PO4": 1.27,
    "SiOH4": 19.12,
    "NO3_NO2": 15.48,
    "NO2": 0.41,
    "NH4": 0.73,
    "NO3": 15.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8668, 59.7843] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "3",
    "day_gmt": "15",
    "time_gmt": "0831",
    "depth": 40.0,
    "PO4": 1.17,
    "SiOH4": 19.21,
    "NO3_NO2": 15.61,
    "NO2": 0.51,
    "NH4": 0.8,
    "NO3": 15.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8668, 59.7843] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "3",
    "day_gmt": "15",
    "time_gmt": "0831",
    "depth": 50.0,
    "PO4": 1.23,
    "SiOH4": 19.42,
    "NO3_NO2": 15.8,
    "NO2": 0.18,
    "NH4": 0.54,
    "NO3": 15.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8668, 59.7843] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "3",
    "day_gmt": "15",
    "time_gmt": "0831",
    "depth": 100.0,
    "PO4": 1.19,
    "SiOH4": 19.51,
    "NO3_NO2": 16.04,
    "NO2": 0.15,
    "NH4": 0.64,
    "NO3": 15.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8668, 59.7843] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "3",
    "day_gmt": "15",
    "time_gmt": "0831",
    "depth": 182.0,
    "PO4": 1.2,
    "SiOH4": 20.15,
    "NO3_NO2": 16.62,
    "NO2": 0.15,
    "NH4": 0.69,
    "NO3": 16.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.866, 59.7166] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "CF7",
    "water_depth": 184,
    "month_gmt": "3",
    "day_gmt": "15",
    "time_gmt": "0953",
    "depth": 0.0,
    "PO4": 1.23,
    "SiOH4": 20.57,
    "NO3_NO2": 16.8,
    "NO2": 0.05,
    "NH4": 0.32,
    "NO3": 16.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.866, 59.7166] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "CF7",
    "water_depth": 184,
    "month_gmt": "3",
    "day_gmt": "15",
    "time_gmt": "0953",
    "depth": 10.0,
    "PO4": 1.2,
    "SiOH4": 19.78,
    "NO3_NO2": 16.84,
    "NO2": 0.05,
    "NH4": 1.04,
    "NO3": 16.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.866, 59.7166] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "CF7",
    "water_depth": 184,
    "month_gmt": "3",
    "day_gmt": "15",
    "time_gmt": "0953",
    "depth": 30.0,
    "PO4": 1.32,
    "SiOH4": 22.52,
    "NO3_NO2": 18.22,
    "NO2": 0.05,
    "NH4": 0.11,
    "NO3": 18.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.866, 59.7166] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "CF7",
    "water_depth": 184,
    "month_gmt": "3",
    "day_gmt": "15",
    "time_gmt": "0953",
    "depth": 40.0,
    "PO4": 1.18,
    "SiOH4": 19.53,
    "NO3_NO2": 16.72,
    "NO2": 0.08,
    "NH4": 0.26,
    "NO3": 16.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.866, 59.7166] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "CF7",
    "water_depth": 184,
    "month_gmt": "3",
    "day_gmt": "15",
    "time_gmt": "0953",
    "depth": 50.0,
    "PO4": null,
    "SiOH4": 16.97,
    "NO3_NO2": 14.32,
    "NO2": 0.05,
    "NH4": 0.36,
    "NO3": 14.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.866, 59.7166] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "CF7",
    "water_depth": 184,
    "month_gmt": "3",
    "day_gmt": "15",
    "time_gmt": "0953",
    "depth": 100.0,
    "PO4": 0.92,
    "SiOH4": 17.51,
    "NO3_NO2": 15.41,
    "NO2": 0.07,
    "NH4": 0.5,
    "NO3": 15.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.866, 59.7166] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "CF7",
    "water_depth": 184,
    "month_gmt": "3",
    "day_gmt": "15",
    "time_gmt": "0953",
    "depth": 174.0,
    "PO4": 1.04,
    "SiOH4": 18.83,
    "NO3_NO2": 16.44,
    "NO2": 0.07,
    "NH4": 0.65,
    "NO3": 16.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7917, 58.0969] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "GAK13",
    "water_depth": 2083,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "0322",
    "depth": 0.0,
    "PO4": 0.99,
    "SiOH4": 15.52,
    "NO3_NO2": 14.46,
    "NO2": 0.09,
    "NH4": 0.7,
    "NO3": 14.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7917, 58.0969] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "GAK13",
    "water_depth": 2083,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "0322",
    "depth": 25.0,
    "PO4": 0.95,
    "SiOH4": 14.85,
    "NO3_NO2": 14.3,
    "NO2": 0.08,
    "NH4": 0.44,
    "NO3": 14.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7917, 58.0969] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "GAK13",
    "water_depth": 2083,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "0322",
    "depth": 50.0,
    "PO4": 0.96,
    "SiOH4": 15.18,
    "NO3_NO2": 14.5,
    "NO2": 0.28,
    "NH4": 0.51,
    "NO3": 14.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7917, 58.0969] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "GAK13",
    "water_depth": 2083,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "0322",
    "depth": 75.0,
    "PO4": 1.03,
    "SiOH4": 16.49,
    "NO3_NO2": 15.23,
    "NO2": 0.3,
    "NH4": 0.52,
    "NO3": 14.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7917, 58.0969] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "GAK13",
    "water_depth": 2083,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "0322",
    "depth": 100.0,
    "PO4": 1.51,
    "SiOH4": 35.45,
    "NO3_NO2": null,
    "NO2": 0.17,
    "NH4": 0.37,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7917, 58.0969] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "GAK13",
    "water_depth": 2083,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "0322",
    "depth": 250.0,
    "PO4": 2.05,
    "SiOH4": 50.87,
    "NO3_NO2": null,
    "NO2": 0.63,
    "NH4": 0.44,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7917, 58.0969] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "GAK13",
    "water_depth": 2083,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "0322",
    "depth": 500.0,
    "PO4": 2.77,
    "SiOH4": 83.27,
    "NO3_NO2": null,
    "NO2": 0.7,
    "NH4": 0.45,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7917, 58.0969] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "GAK13",
    "water_depth": 2083,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "0322",
    "depth": 1000.0,
    "PO4": 2.53,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.26,
    "NH4": 0.46,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7917, 58.0969] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "GAK13",
    "water_depth": 2083,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "0322",
    "depth": 1500.0,
    "PO4": 2.9,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.08,
    "NH4": 0.6,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3507, 58.6791] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 15,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "1758",
    "depth": 0.0,
    "PO4": null,
    "SiOH4": 19.33,
    "NO3_NO2": 16.05,
    "NO2": 0.21,
    "NH4": 0.48,
    "NO3": 15.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3507, 58.6791] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 15,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "1758",
    "depth": 10.0,
    "PO4": 1.05,
    "SiOH4": 19.43,
    "NO3_NO2": 15.99,
    "NO2": 0.63,
    "NH4": 0.3,
    "NO3": 15.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3507, 58.6791] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 15,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "1758",
    "depth": 20.0,
    "PO4": 1.0,
    "SiOH4": 19.65,
    "NO3_NO2": 15.99,
    "NO2": 0.35,
    "NH4": 0.33,
    "NO3": 15.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3507, 58.6791] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 15,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "1758",
    "depth": 30.0,
    "PO4": 0.95,
    "SiOH4": 19.64,
    "NO3_NO2": 16.03,
    "NO2": 0.5,
    "NH4": 0.27,
    "NO3": 15.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3507, 58.6791] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 15,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "1758",
    "depth": 50.0,
    "PO4": 0.94,
    "SiOH4": 19.2,
    "NO3_NO2": 15.93,
    "NO2": 0.5,
    "NH4": 0.11,
    "NO3": 15.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3507, 58.6791] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 15,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "1758",
    "depth": 100.0,
    "PO4": 0.91,
    "SiOH4": 18.2,
    "NO3_NO2": 15.78,
    "NO2": 0.57,
    "NH4": 0.12,
    "NO3": 15.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3507, 58.6791] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 15,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "1758",
    "depth": 200.0,
    "PO4": 1.25,
    "SiOH4": 31.09,
    "NO3_NO2": 23.95,
    "NO2": 0.16,
    "NH4": 0.08,
    "NO3": 23.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3507, 58.6791] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 15,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "1758",
    "depth": 275.0,
    "PO4": 1.93,
    "SiOH4": 52.8,
    "NO3_NO2": null,
    "NO2": 0.28,
    "NH4": 0.08,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2787, 58.6113] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "1942",
    "depth": 0.0,
    "PO4": 0.43,
    "SiOH4": 21.02,
    "NO3_NO2": 16.4,
    "NO2": 0.41,
    "NH4": 0.05,
    "NO3": 16.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2787, 58.6113] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "1942",
    "depth": 10.0,
    "PO4": 0.87,
    "SiOH4": 20.99,
    "NO3_NO2": 16.65,
    "NO2": 0.13,
    "NH4": 0.0,
    "NO3": 16.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2787, 58.6113] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "1942",
    "depth": 20.0,
    "PO4": 1.0,
    "SiOH4": 21.18,
    "NO3_NO2": 16.69,
    "NO2": 0.13,
    "NH4": 0.0,
    "NO3": 16.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2787, 58.6113] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "1942",
    "depth": 30.0,
    "PO4": 0.89,
    "SiOH4": 21.15,
    "NO3_NO2": 16.74,
    "NO2": 0.1,
    "NH4": 0.01,
    "NO3": 16.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2787, 58.6113] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "1942",
    "depth": 40.0,
    "PO4": 0.97,
    "SiOH4": 21.12,
    "NO3_NO2": 16.78,
    "NO2": 0.36,
    "NH4": 0.08,
    "NO3": 16.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2787, 58.6113] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "1942",
    "depth": 50.0,
    "PO4": 0.91,
    "SiOH4": 21.2,
    "NO3_NO2": 16.73,
    "NO2": 0.23,
    "NH4": 0.06,
    "NO3": 16.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2787, 58.6113] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "1942",
    "depth": 100.0,
    "PO4": 0.93,
    "SiOH4": 21.06,
    "NO3_NO2": 16.77,
    "NO2": 0.03,
    "NH4": 0.05,
    "NO3": 16.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2787, 58.6113] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "1942",
    "depth": 250.0,
    "PO4": 1.69,
    "SiOH4": 50.13,
    "NO3_NO2": null,
    "NO2": 0.1,
    "NH4": 0.05,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2787, 58.6113] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "1942",
    "depth": 500.0,
    "PO4": 2.49,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.15,
    "NH4": 0.07,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2787, 58.6113] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "1942",
    "depth": 660.0,
    "PO4": 2.8,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.28,
    "NH4": 0.05,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2113, 58.5407] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK10",
    "water_depth": 1465,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "2103",
    "depth": 0.0,
    "PO4": 0.56,
    "SiOH4": 22.59,
    "NO3_NO2": 15.96,
    "NO2": 0.15,
    "NH4": 0.1,
    "NO3": 15.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2113, 58.5407] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK10",
    "water_depth": 1465,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "2103",
    "depth": 25.0,
    "PO4": 0.89,
    "SiOH4": 22.47,
    "NO3_NO2": 16.5,
    "NO2": 0.17,
    "NH4": 0.05,
    "NO3": 16.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2113, 58.5407] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK10",
    "water_depth": 1465,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "2103",
    "depth": 50.0,
    "PO4": 1.03,
    "SiOH4": 20.81,
    "NO3_NO2": 15.95,
    "NO2": 0.2,
    "NH4": 0.08,
    "NO3": 15.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2113, 58.5407] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK10",
    "water_depth": 1465,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "2103",
    "depth": 100.0,
    "PO4": 1.14,
    "SiOH4": 20.37,
    "NO3_NO2": 16.14,
    "NO2": 0.19,
    "NH4": 0.12,
    "NO3": 15.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2113, 58.5407] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK10",
    "water_depth": 1465,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "2103",
    "depth": 175.0,
    "PO4": 1.78,
    "SiOH4": 42.18,
    "NO3_NO2": null,
    "NO2": 0.04,
    "NH4": 0.15,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2113, 58.5407] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK10",
    "water_depth": 1465,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "2103",
    "depth": 250.0,
    "PO4": 2.31,
    "SiOH4": 57.06,
    "NO3_NO2": null,
    "NO2": 0.04,
    "NH4": 0.13,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2113, 58.5407] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK10",
    "water_depth": 1465,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "2103",
    "depth": 500.0,
    "PO4": 2.94,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.03,
    "NH4": 0.06,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2113, 58.5407] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK10",
    "water_depth": 1465,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "2103",
    "depth": 1000.0,
    "PO4": 3.54,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.03,
    "NH4": 0.0,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.067, 58.3912] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 19,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "2336",
    "depth": 0.0,
    "PO4": null,
    "SiOH4": 21.99,
    "NO3_NO2": 16.37,
    "NO2": 0.16,
    "NH4": 0.04,
    "NO3": 16.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.067, 58.3912] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 19,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "2336",
    "depth": 25.0,
    "PO4": null,
    "SiOH4": 21.66,
    "NO3_NO2": 16.31,
    "NO2": 0.15,
    "NH4": 0.04,
    "NO3": 16.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.067, 58.3912] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 19,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "2336",
    "depth": 50.0,
    "PO4": 1.03,
    "SiOH4": 26.61,
    "NO3_NO2": 20.42,
    "NO2": 0.07,
    "NH4": 0.07,
    "NO3": 20.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.067, 58.3912] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 19,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "2336",
    "depth": 75.0,
    "PO4": 1.51,
    "SiOH4": 33.66,
    "NO3_NO2": 24.73,
    "NO2": 0.07,
    "NH4": 0.0,
    "NO3": 24.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.067, 58.3912] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 19,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "2336",
    "depth": 100.0,
    "PO4": 1.81,
    "SiOH4": 39.83,
    "NO3_NO2": null,
    "NO2": 0.07,
    "NH4": 0.0,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.067, 58.3912] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 19,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "2336",
    "depth": 250.0,
    "PO4": 3.07,
    "SiOH4": 77.51,
    "NO3_NO2": null,
    "NO2": 0.07,
    "NH4": 0.05,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.067, 58.3912] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 19,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "2336",
    "depth": 500.0,
    "PO4": 2.99,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.04,
    "NH4": 0.1,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.067, 58.3912] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 19,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "3",
    "day_gmt": "16",
    "time_gmt": "2336",
    "depth": 1000.0,
    "PO4": 3.22,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.04,
    "NH4": 0.08,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9296, 58.2436] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK12",
    "water_depth": 2179,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "0159",
    "depth": 0.0,
    "PO4": null,
    "SiOH4": 21.4,
    "NO3_NO2": 15.58,
    "NO2": 0.19,
    "NH4": 0.06,
    "NO3": 15.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9296, 58.2436] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK12",
    "water_depth": 2179,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "0159",
    "depth": 25.0,
    "PO4": 1.21,
    "SiOH4": 20.85,
    "NO3_NO2": 15.28,
    "NO2": 0.16,
    "NH4": 0.01,
    "NO3": 15.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9296, 58.2436] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK12",
    "water_depth": 2179,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "0159",
    "depth": 50.0,
    "PO4": 1.2,
    "SiOH4": 21.72,
    "NO3_NO2": 15.92,
    "NO2": 0.21,
    "NH4": 0.0,
    "NO3": 15.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9296, 58.2436] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK12",
    "water_depth": 2179,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "0159",
    "depth": 75.0,
    "PO4": 1.19,
    "SiOH4": 20.17,
    "NO3_NO2": 15.57,
    "NO2": 0.21,
    "NH4": 0.0,
    "NO3": 15.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9296, 58.2436] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK12",
    "water_depth": 2179,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "0159",
    "depth": 100.0,
    "PO4": 1.08,
    "SiOH4": 28.75,
    "NO3_NO2": 21.66,
    "NO2": 0.1,
    "NH4": 0.73,
    "NO3": 21.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9296, 58.2436] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK12",
    "water_depth": 2179,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "0159",
    "depth": 250.0,
    "PO4": 2.61,
    "SiOH4": 72.16,
    "NO3_NO2": null,
    "NO2": 0.05,
    "NH4": 0.08,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9296, 58.2436] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK12",
    "water_depth": 2179,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "0159",
    "depth": 500.0,
    "PO4": 2.97,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.04,
    "NH4": 0.16,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9296, 58.2436] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK12",
    "water_depth": 2179,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "0159",
    "depth": 1000.0,
    "PO4": 3.08,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.02,
    "NH4": 0.13,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9082, 59.262] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "1646",
    "depth": 0.0,
    "PO4": null,
    "SiOH4": 23.51,
    "NO3_NO2": 15.86,
    "NO2": 0.06,
    "NH4": 0.08,
    "NO3": 15.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9082, 59.262] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "1646",
    "depth": 10.0,
    "PO4": 1.23,
    "SiOH4": 23.27,
    "NO3_NO2": 15.76,
    "NO2": 0.06,
    "NH4": 0.05,
    "NO3": 15.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9082, 59.262] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "1646",
    "depth": 20.0,
    "PO4": 1.21,
    "SiOH4": 23.14,
    "NO3_NO2": 15.81,
    "NO2": 0.06,
    "NH4": 0.1,
    "NO3": 15.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9082, 59.262] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "1646",
    "depth": 30.0,
    "PO4": 1.19,
    "SiOH4": 23.02,
    "NO3_NO2": 15.86,
    "NO2": 0.06,
    "NH4": 0.09,
    "NO3": 15.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9082, 59.262] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "1646",
    "depth": 40.0,
    "PO4": 1.1,
    "SiOH4": 23.33,
    "NO3_NO2": 15.91,
    "NO2": 0.05,
    "NH4": 0.02,
    "NO3": 15.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9082, 59.262] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "1646",
    "depth": 50.0,
    "PO4": 1.17,
    "SiOH4": 23.32,
    "NO3_NO2": 16.01,
    "NO2": 0.08,
    "NH4": 0.06,
    "NO3": 15.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9082, 59.262] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "1646",
    "depth": 75.0,
    "PO4": null,
    "SiOH4": 23.74,
    "NO3_NO2": 16.31,
    "NO2": 0.07,
    "NH4": 0.2,
    "NO3": 16.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9082, 59.262] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "1646",
    "depth": 100.0,
    "PO4": 1.0,
    "SiOH4": 24.28,
    "NO3_NO2": 17.0,
    "NO2": 0.07,
    "NH4": 0.16,
    "NO3": 16.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9082, 59.262] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "1646",
    "depth": 165.0,
    "PO4": 1.25,
    "SiOH4": 28.45,
    "NO3_NO2": 20.03,
    "NO2": 0.07,
    "NH4": 0.17,
    "NO3": 19.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8399, 59.1912] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 24,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "1755",
    "depth": 0.0,
    "PO4": 1.22,
    "SiOH4": 23.92,
    "NO3_NO2": 16.66,
    "NO2": 0.12,
    "NH4": 0.25,
    "NO3": 16.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8399, 59.1912] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 24,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "1755",
    "depth": 10.0,
    "PO4": 1.23,
    "SiOH4": 25.88,
    "NO3_NO2": 18.09,
    "NO2": 0.12,
    "NH4": 0.25,
    "NO3": 17.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8399, 59.1912] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 24,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "1755",
    "depth": 20.0,
    "PO4": 1.22,
    "SiOH4": 24.21,
    "NO3_NO2": 16.95,
    "NO2": 0.11,
    "NH4": 0.29,
    "NO3": 16.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8399, 59.1912] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 24,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "1755",
    "depth": 30.0,
    "PO4": 1.16,
    "SiOH4": 24.86,
    "NO3_NO2": 17.4,
    "NO2": 0.11,
    "NH4": 1.79,
    "NO3": 17.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8399, 59.1912] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 24,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "1755",
    "depth": 40.0,
    "PO4": 1.17,
    "SiOH4": 24.51,
    "NO3_NO2": 17.2,
    "NO2": 0.11,
    "NH4": 0.05,
    "NO3": 17.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8399, 59.1912] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 24,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "1755",
    "depth": 50.0,
    "PO4": 1.1,
    "SiOH4": 24.39,
    "NO3_NO2": 17.25,
    "NO2": 0.11,
    "NH4": 0.05,
    "NO3": 17.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8399, 59.1912] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 24,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "1755",
    "depth": 100.0,
    "PO4": 1.18,
    "SiOH4": 23.49,
    "NO3_NO2": 17.35,
    "NO2": 0.08,
    "NH4": 0.08,
    "NO3": 17.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8399, 59.1912] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 24,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "1755",
    "depth": 161.0,
    "PO4": null,
    "SiOH4": 30.74,
    "NO3_NO2": 21.76,
    "NO2": 0.07,
    "NH4": 0.05,
    "NO3": 21.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7736, 59.1174] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "1844",
    "depth": 0.0,
    "PO4": 1.08,
    "SiOH4": 24.23,
    "NO3_NO2": 16.75,
    "NO2": 0.05,
    "NH4": 0.06,
    "NO3": 16.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7736, 59.1174] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "1844",
    "depth": 10.0,
    "PO4": 1.13,
    "SiOH4": 24.22,
    "NO3_NO2": 16.74,
    "NO2": 0.04,
    "NH4": 0.11,
    "NO3": 16.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7736, 59.1174] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "1844",
    "depth": 20.0,
    "PO4": 1.1,
    "SiOH4": 23.88,
    "NO3_NO2": 16.79,
    "NO2": 0.07,
    "NH4": 0.11,
    "NO3": 16.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7736, 59.1174] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "1844",
    "depth": 30.0,
    "PO4": 1.11,
    "SiOH4": 23.98,
    "NO3_NO2": 17.03,
    "NO2": 0.06,
    "NH4": 0.22,
    "NO3": 16.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7736, 59.1174] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "1844",
    "depth": 40.0,
    "PO4": 1.13,
    "SiOH4": 23.97,
    "NO3_NO2": 17.07,
    "NO2": 0.09,
    "NH4": 0.2,
    "NO3": 16.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7736, 59.1174] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "1844",
    "depth": 50.0,
    "PO4": 1.13,
    "SiOH4": 24.73,
    "NO3_NO2": 17.71,
    "NO2": 0.11,
    "NH4": 0.13,
    "NO3": 17.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7736, 59.1174] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "1844",
    "depth": 75.0,
    "PO4": 1.16,
    "SiOH4": 23.5,
    "NO3_NO2": 17.07,
    "NO2": 0.11,
    "NH4": 0.12,
    "NO3": 16.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7736, 59.1174] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "1844",
    "depth": 100.0,
    "PO4": 1.21,
    "SiOH4": 27.02,
    "NO3_NO2": 19.39,
    "NO2": 0.06,
    "NH4": 0.17,
    "NO3": 19.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7736, 59.1174] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "1844",
    "depth": 143.0,
    "PO4": 1.36,
    "SiOH4": 31.53,
    "NO3_NO2": 22.76,
    "NO2": 0.0,
    "NH4": 0.21,
    "NO3": 22.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.63, 58.9739] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK7",
    "water_depth": 245,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "2012",
    "depth": 0.0,
    "PO4": 0.54,
    "SiOH4": 26.02,
    "NO3_NO2": 17.3,
    "NO2": 0.05,
    "NH4": 0.17,
    "NO3": 17.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.63, 58.9739] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK7",
    "water_depth": 245,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "2012",
    "depth": 10.0,
    "PO4": 1.01,
    "SiOH4": 26.03,
    "NO3_NO2": 17.5,
    "NO2": 0.07,
    "NH4": 0.11,
    "NO3": 17.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.63, 58.9739] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK7",
    "water_depth": 245,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "2012",
    "depth": 20.0,
    "PO4": 1.08,
    "SiOH4": 26.04,
    "NO3_NO2": 17.5,
    "NO2": 0.07,
    "NH4": 0.23,
    "NO3": 17.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.63, 58.9739] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK7",
    "water_depth": 245,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "2012",
    "depth": 30.0,
    "PO4": 1.13,
    "SiOH4": 25.94,
    "NO3_NO2": 17.5,
    "NO2": 0.04,
    "NH4": 0.26,
    "NO3": 17.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.63, 58.9739] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK7",
    "water_depth": 245,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "2012",
    "depth": 40.0,
    "PO4": 1.14,
    "SiOH4": 25.84,
    "NO3_NO2": 17.4,
    "NO2": 0.03,
    "NH4": 0.29,
    "NO3": 17.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.63, 58.9739] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK7",
    "water_depth": 245,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "2012",
    "depth": 50.0,
    "PO4": 1.18,
    "SiOH4": 25.74,
    "NO3_NO2": 17.35,
    "NO2": 0.05,
    "NH4": 0.29,
    "NO3": 17.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.63, 58.9739] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK7",
    "water_depth": 245,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "2012",
    "depth": 75.0,
    "PO4": 1.15,
    "SiOH4": 25.86,
    "NO3_NO2": 17.3,
    "NO2": 0.05,
    "NH4": 0.28,
    "NO3": 17.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.63, 58.9739] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK7",
    "water_depth": 245,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "2012",
    "depth": 100.0,
    "PO4": 1.12,
    "SiOH4": 26.98,
    "NO3_NO2": 18.24,
    "NO2": 0.05,
    "NH4": 0.38,
    "NO3": 18.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.63, 58.9739] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK7",
    "water_depth": 245,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "2012",
    "depth": 240.0,
    "PO4": 1.56,
    "SiOH4": 47.48,
    "NO3_NO2": null,
    "NO2": 0.0,
    "NH4": 0.39,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4908, 58.7928] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "2209",
    "depth": 0.0,
    "PO4": null,
    "SiOH4": 26.56,
    "NO3_NO2": 17.6,
    "NO2": 0.04,
    "NH4": 0.35,
    "NO3": 17.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4908, 58.7928] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "2209",
    "depth": 10.0,
    "PO4": 0.8,
    "SiOH4": 26.13,
    "NO3_NO2": 17.45,
    "NO2": 0.09,
    "NH4": 0.31,
    "NO3": 17.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4908, 58.7928] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "2209",
    "depth": 20.0,
    "PO4": 0.9,
    "SiOH4": 26.25,
    "NO3_NO2": 17.55,
    "NO2": 0.03,
    "NH4": 0.34,
    "NO3": 17.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4908, 58.7928] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "2209",
    "depth": 30.0,
    "PO4": 1.05,
    "SiOH4": 26.37,
    "NO3_NO2": 17.5,
    "NO2": 0.03,
    "NH4": 0.32,
    "NO3": 17.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4908, 58.7928] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "2209",
    "depth": 40.0,
    "PO4": 1.09,
    "SiOH4": 26.38,
    "NO3_NO2": 17.6,
    "NO2": 0.03,
    "NH4": 0.25,
    "NO3": 17.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4908, 58.7928] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "2209",
    "depth": 50.0,
    "PO4": 1.12,
    "SiOH4": 26.5,
    "NO3_NO2": 17.6,
    "NO2": 0.02,
    "NH4": 0.22,
    "NO3": 17.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4908, 58.7928] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "2209",
    "depth": 100.0,
    "PO4": 1.13,
    "SiOH4": 27.06,
    "NO3_NO2": 18.34,
    "NO2": 0.0,
    "NH4": 0.2,
    "NO3": 18.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4908, 58.7928] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "2209",
    "depth": 200.0,
    "PO4": 1.26,
    "SiOH4": 35.23,
    "NO3_NO2": 24.09,
    "NO2": 0.01,
    "NH4": 0.21,
    "NO3": 24.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4908, 58.7928] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "2209",
    "depth": 282.0,
    "PO4": 1.82,
    "SiOH4": 56.4,
    "NO3_NO2": null,
    "NO2": 0.01,
    "NH4": 0.19,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4197, 58.7447] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "GAK8I",
    "water_depth": 289,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "2321",
    "depth": 0.0,
    "PO4": null,
    "SiOH4": 26.65,
    "NO3_NO2": 17.6,
    "NO2": 0.01,
    "NH4": 0.17,
    "NO3": 17.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4197, 58.7447] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "GAK8I",
    "water_depth": 289,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "2321",
    "depth": 10.0,
    "PO4": null,
    "SiOH4": 26.66,
    "NO3_NO2": 17.5,
    "NO2": 0.05,
    "NH4": 0.02,
    "NO3": 17.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4197, 58.7447] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "GAK8I",
    "water_depth": 289,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "2321",
    "depth": 20.0,
    "PO4": 0.52,
    "SiOH4": 26.73,
    "NO3_NO2": 17.4,
    "NO2": 0.03,
    "NH4": 0.2,
    "NO3": 17.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4197, 58.7447] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "GAK8I",
    "water_depth": 289,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "2321",
    "depth": 30.0,
    "PO4": 0.87,
    "SiOH4": 26.9,
    "NO3_NO2": 17.51,
    "NO2": 0.01,
    "NH4": 0.11,
    "NO3": 17.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4197, 58.7447] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "GAK8I",
    "water_depth": 289,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "2321",
    "depth": 40.0,
    "PO4": 0.99,
    "SiOH4": 27.07,
    "NO3_NO2": 17.51,
    "NO2": 0.02,
    "NH4": 0.17,
    "NO3": 17.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4197, 58.7447] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "GAK8I",
    "water_depth": 289,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "2321",
    "depth": 50.0,
    "PO4": 1.07,
    "SiOH4": 27.14,
    "NO3_NO2": 17.62,
    "NO2": 0.07,
    "NH4": 0.13,
    "NO3": 17.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4197, 58.7447] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "GAK8I",
    "water_depth": 289,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "2321",
    "depth": 75.0,
    "PO4": 1.06,
    "SiOH4": 27.31,
    "NO3_NO2": 17.62,
    "NO2": 0.08,
    "NH4": 0.22,
    "NO3": 17.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4197, 58.7447] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "GAK8I",
    "water_depth": 289,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "2321",
    "depth": 100.0,
    "PO4": 1.15,
    "SiOH4": 27.37,
    "NO3_NO2": 17.73,
    "NO2": 0.06,
    "NH4": 0.13,
    "NO3": 17.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4197, 58.7447] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "GAK8I",
    "water_depth": 289,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "2321",
    "depth": 200.0,
    "PO4": 1.04,
    "SiOH4": 27.21,
    "NO3_NO2": 17.78,
    "NO2": 0.09,
    "NH4": 0.17,
    "NO3": 17.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4197, 58.7447] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "GAK8I",
    "water_depth": 289,
    "month_gmt": "3",
    "day_gmt": "17",
    "time_gmt": "2321",
    "depth": 280.0,
    "PO4": 1.28,
    "SiOH4": 42.7,
    "NO3_NO2": null,
    "NO2": 0.0,
    "NH4": 0.2,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3974, 59.7667] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "GAK1I",
    "water_depth": 259,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1627",
    "depth": 0.0,
    "PO4": 0.69,
    "SiOH4": 25.08,
    "NO3_NO2": 14.6,
    "NO2": 0.05,
    "NH4": 0.12,
    "NO3": 14.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3974, 59.7667] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "GAK1I",
    "water_depth": 259,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1627",
    "depth": 10.0,
    "PO4": 1.16,
    "SiOH4": 30.94,
    "NO3_NO2": 14.74,
    "NO2": 0.05,
    "NH4": 0.03,
    "NO3": 14.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3974, 59.7667] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "GAK1I",
    "water_depth": 259,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1627",
    "depth": 20.0,
    "PO4": 1.16,
    "SiOH4": 30.69,
    "NO3_NO2": 14.69,
    "NO2": 0.05,
    "NH4": 0.16,
    "NO3": 14.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3974, 59.7667] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "GAK1I",
    "water_depth": 259,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1627",
    "depth": 30.0,
    "PO4": 1.2,
    "SiOH4": 30.94,
    "NO3_NO2": 14.78,
    "NO2": 0.05,
    "NH4": 0.13,
    "NO3": 14.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3974, 59.7667] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "GAK1I",
    "water_depth": 259,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1627",
    "depth": 40.0,
    "PO4": 1.17,
    "SiOH4": 31.32,
    "NO3_NO2": 14.91,
    "NO2": 0.05,
    "NH4": 0.23,
    "NO3": 14.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3974, 59.7667] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "GAK1I",
    "water_depth": 259,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1627",
    "depth": 50.0,
    "PO4": 1.12,
    "SiOH4": 31.45,
    "NO3_NO2": 15.19,
    "NO2": 0.05,
    "NH4": 0.41,
    "NO3": 15.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3974, 59.7667] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "GAK1I",
    "water_depth": 259,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1627",
    "depth": 100.0,
    "PO4": 1.17,
    "SiOH4": 31.96,
    "NO3_NO2": 15.7,
    "NO2": 0.05,
    "NH4": 0.54,
    "NO3": 15.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3974, 59.7667] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "GAK1I",
    "water_depth": 259,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1627",
    "depth": 200.0,
    "PO4": 1.2,
    "SiOH4": 32.6,
    "NO3_NO2": 16.06,
    "NO2": 0.05,
    "NH4": 0.67,
    "NO3": 16.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3974, 59.7667] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "GAK1I",
    "water_depth": 259,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1627",
    "depth": 255.0,
    "PO4": 1.21,
    "SiOH4": 32.34,
    "NO3_NO2": 16.2,
    "NO2": 0.05,
    "NH4": 0.54,
    "NO3": 16.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3269, 59.6917] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1720",
    "depth": 0.0,
    "PO4": 1.21,
    "SiOH4": 19.0,
    "NO3_NO2": 15.55,
    "NO2": 0.05,
    "NH4": 0.54,
    "NO3": 15.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3269, 59.6917] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1720",
    "depth": 10.0,
    "PO4": 1.2,
    "SiOH4": 19.0,
    "NO3_NO2": 15.68,
    "NO2": 0.05,
    "NH4": 0.51,
    "NO3": 15.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3269, 59.6917] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1720",
    "depth": 20.0,
    "PO4": 1.18,
    "SiOH4": 19.0,
    "NO3_NO2": 15.68,
    "NO2": 0.05,
    "NH4": 0.52,
    "NO3": 15.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3269, 59.6917] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1720",
    "depth": 30.0,
    "PO4": null,
    "SiOH4": 16.21,
    "NO3_NO2": 15.63,
    "NO2": 0.04,
    "NH4": 0.17,
    "NO3": 15.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3269, 59.6917] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1720",
    "depth": 40.0,
    "PO4": 1.07,
    "SiOH4": 16.38,
    "NO3_NO2": 15.58,
    "NO2": 0.07,
    "NH4": 0.2,
    "NO3": 15.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3269, 59.6917] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1720",
    "depth": 50.0,
    "PO4": 1.1,
    "SiOH4": 18.21,
    "NO3_NO2": 15.9,
    "NO2": 0.05,
    "NH4": 0.31,
    "NO3": 15.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3269, 59.6917] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1720",
    "depth": 100.0,
    "PO4": 1.17,
    "SiOH4": 18.76,
    "NO3_NO2": 17.01,
    "NO2": 0.05,
    "NH4": 0.35,
    "NO3": 16.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3269, 59.6917] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1720",
    "depth": 200.0,
    "PO4": 1.19,
    "SiOH4": 18.55,
    "NO3_NO2": 16.97,
    "NO2": 0.03,
    "NH4": 0.56,
    "NO3": 16.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3269, 59.6917] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1720",
    "depth": 223.0,
    "PO4": 1.26,
    "SiOH4": 21.39,
    "NO3_NO2": 16.96,
    "NO2": 0.22,
    "NH4": 0.76,
    "NO3": 16.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2619, 59.6261] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 32,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1829",
    "depth": 0.0,
    "PO4": 1.19,
    "SiOH4": 19.52,
    "NO3_NO2": 15.33,
    "NO2": 0.0,
    "NH4": 0.68,
    "NO3": 15.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2619, 59.6261] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 32,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1829",
    "depth": 10.0,
    "PO4": 1.16,
    "SiOH4": 17.91,
    "NO3_NO2": 15.33,
    "NO2": 0.01,
    "NH4": 0.85,
    "NO3": 15.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2619, 59.6261] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 32,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1829",
    "depth": 20.0,
    "PO4": 1.11,
    "SiOH4": 19.23,
    "NO3_NO2": 15.28,
    "NO2": 0.01,
    "NH4": 1.09,
    "NO3": 15.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2619, 59.6261] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 32,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1829",
    "depth": 30.0,
    "PO4": 1.2,
    "SiOH4": 18.51,
    "NO3_NO2": 15.33,
    "NO2": 0.01,
    "NH4": 0.61,
    "NO3": 15.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2619, 59.6261] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 32,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1829",
    "depth": 40.0,
    "PO4": null,
    "SiOH4": 18.42,
    "NO3_NO2": 15.28,
    "NO2": 0.02,
    "NH4": 0.65,
    "NO3": 15.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2619, 59.6261] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 32,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1829",
    "depth": 50.0,
    "PO4": 1.08,
    "SiOH4": 18.72,
    "NO3_NO2": 15.41,
    "NO2": 0.0,
    "NH4": 0.61,
    "NO3": 15.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2619, 59.6261] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 32,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1829",
    "depth": 100.0,
    "PO4": 1.09,
    "SiOH4": 19.01,
    "NO3_NO2": 15.83,
    "NO2": 0.01,
    "NH4": 0.58,
    "NO3": 15.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2619, 59.6261] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 32,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1829",
    "depth": 150.0,
    "PO4": 1.14,
    "SiOH4": 19.18,
    "NO3_NO2": 15.92,
    "NO2": 0.03,
    "NH4": 0.51,
    "NO3": 15.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2619, 59.6261] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 32,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1829",
    "depth": 210.0,
    "PO4": 1.23,
    "SiOH4": 21.77,
    "NO3_NO2": 17.59,
    "NO2": 0.01,
    "NH4": 0.44,
    "NO3": 17.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1875, 59.5534] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1929",
    "depth": 0.0,
    "PO4": 1.06,
    "SiOH4": 16.72,
    "NO3_NO2": 14.34,
    "NO2": 0.01,
    "NH4": 0.42,
    "NO3": 14.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1875, 59.5534] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1929",
    "depth": 10.0,
    "PO4": 1.25,
    "SiOH4": 20.2,
    "NO3_NO2": 16.66,
    "NO2": 0.11,
    "NH4": 0.38,
    "NO3": 16.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1875, 59.5534] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1929",
    "depth": 20.0,
    "PO4": 1.13,
    "SiOH4": 18.21,
    "NO3_NO2": 15.12,
    "NO2": 0.07,
    "NH4": 0.3,
    "NO3": 15.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1875, 59.5534] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1929",
    "depth": 30.0,
    "PO4": 1.08,
    "SiOH4": 18.51,
    "NO3_NO2": 15.31,
    "NO2": 0.13,
    "NH4": 0.22,
    "NO3": 15.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1875, 59.5534] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1929",
    "depth": 40.0,
    "PO4": 1.07,
    "SiOH4": 18.68,
    "NO3_NO2": 15.44,
    "NO2": 0.17,
    "NH4": 0.14,
    "NO3": 15.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1875, 59.5534] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1929",
    "depth": 50.0,
    "PO4": null,
    "SiOH4": 17.16,
    "NO3_NO2": 15.44,
    "NO2": 0.27,
    "NH4": 0.01,
    "NO3": 15.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1875, 59.5534] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1929",
    "depth": 100.0,
    "PO4": 0.93,
    "SiOH4": 18.27,
    "NO3_NO2": 16.05,
    "NO2": 0.46,
    "NH4": 0.04,
    "NO3": 15.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1875, 59.5534] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1929",
    "depth": 150.0,
    "PO4": 1.07,
    "SiOH4": 19.39,
    "NO3_NO2": 16.28,
    "NO2": 0.26,
    "NH4": 0.02,
    "NO3": 16.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1875, 59.5534] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "1929",
    "depth": 209.0,
    "PO4": 1.19,
    "SiOH4": 20.89,
    "NO3_NO2": 17.21,
    "NO2": 0.26,
    "NH4": 0.01,
    "NO3": 16.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1195, 59.4841] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "2054",
    "depth": 0.0,
    "PO4": 1.22,
    "SiOH4": 22.77,
    "NO3_NO2": 17.53,
    "NO2": 0.26,
    "NH4": 0.0,
    "NO3": 17.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1195, 59.4841] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "2054",
    "depth": 10.0,
    "PO4": 1.12,
    "SiOH4": 18.66,
    "NO3_NO2": 15.07,
    "NO2": 0.17,
    "NH4": 0.01,
    "NO3": 14.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1195, 59.4841] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "2054",
    "depth": 20.0,
    "PO4": 1.09,
    "SiOH4": 19.01,
    "NO3_NO2": 15.12,
    "NO2": 0.05,
    "NH4": 0.0,
    "NO3": 15.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1195, 59.4841] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "2054",
    "depth": 30.0,
    "PO4": 1.11,
    "SiOH4": 18.73,
    "NO3_NO2": 15.16,
    "NO2": 0.04,
    "NH4": 0.0,
    "NO3": 15.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1195, 59.4841] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "2054",
    "depth": 40.0,
    "PO4": 1.04,
    "SiOH4": 18.83,
    "NO3_NO2": 15.16,
    "NO2": 0.01,
    "NH4": 0.01,
    "NO3": 15.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1195, 59.4841] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "2054",
    "depth": 50.0,
    "PO4": 1.07,
    "SiOH4": 19.31,
    "NO3_NO2": 15.44,
    "NO2": 0.19,
    "NH4": 0.01,
    "NO3": 15.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1195, 59.4841] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "2054",
    "depth": 100.0,
    "PO4": null,
    "SiOH4": 19.4,
    "NO3_NO2": 15.53,
    "NO2": 0.0,
    "NH4": 0.01,
    "NO3": 15.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1195, 59.4841] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "2054",
    "depth": 150.0,
    "PO4": 0.91,
    "SiOH4": 19.88,
    "NO3_NO2": 15.91,
    "NO2": 0.0,
    "NH4": 0.01,
    "NO3": 15.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1195, 59.4841] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "2054",
    "depth": 199.0,
    "PO4": 1.07,
    "SiOH4": 21.25,
    "NO3_NO2": 16.65,
    "NO2": 0.07,
    "NH4": 0.0,
    "NO3": 16.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0475, 59.4084] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "2205",
    "depth": 0.0,
    "PO4": 1.06,
    "SiOH4": 19.69,
    "NO3_NO2": 15.16,
    "NO2": 0.03,
    "NH4": 0.0,
    "NO3": 15.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0475, 59.4084] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "2205",
    "depth": 10.0,
    "PO4": 1.04,
    "SiOH4": 20.05,
    "NO3_NO2": 15.26,
    "NO2": 0.06,
    "NH4": 0.04,
    "NO3": 15.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0475, 59.4084] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "2205",
    "depth": 20.0,
    "PO4": 1.04,
    "SiOH4": 20.14,
    "NO3_NO2": 15.16,
    "NO2": 0.05,
    "NH4": 0.03,
    "NO3": 15.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0475, 59.4084] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "2205",
    "depth": 30.0,
    "PO4": 1.01,
    "SiOH4": 17.82,
    "NO3_NO2": 15.21,
    "NO2": 0.11,
    "NH4": 0.01,
    "NO3": 15.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0475, 59.4084] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "2205",
    "depth": 40.0,
    "PO4": 1.01,
    "SiOH4": 18.17,
    "NO3_NO2": 15.3,
    "NO2": 0.1,
    "NH4": 0.09,
    "NO3": 15.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0475, 59.4084] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "2205",
    "depth": 50.0,
    "PO4": 1.01,
    "SiOH4": 17.89,
    "NO3_NO2": 15.16,
    "NO2": 0.18,
    "NH4": 0.1,
    "NO3": 14.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0475, 59.4084] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "2205",
    "depth": 100.0,
    "PO4": 1.11,
    "SiOH4": 18.75,
    "NO3_NO2": 15.81,
    "NO2": 0.01,
    "NH4": 0.04,
    "NO3": 15.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0475, 59.4084] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "2205",
    "depth": 150.0,
    "PO4": null,
    "SiOH4": 24.86,
    "NO3_NO2": 17.56,
    "NO2": 0.37,
    "NH4": 0.01,
    "NO3": 17.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0475, 59.4084] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "3",
    "day_gmt": "18",
    "time_gmt": "2205",
    "depth": 193.0,
    "PO4": null,
    "SiOH4": 25.03,
    "NO3_NO2": 17.64,
    "NO2": 0.38,
    "NH4": 0.05,
    "NO3": 17.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9109, 59.9581] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "MS1",
    "water_depth": 186,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "0346",
    "depth": 0.0,
    "PO4": 0.96,
    "SiOH4": 17.82,
    "NO3_NO2": 12.25,
    "NO2": 0.41,
    "NH4": 0.21,
    "NO3": 11.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9109, 59.9581] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "MS1",
    "water_depth": 186,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "0346",
    "depth": 10.0,
    "PO4": 1.02,
    "SiOH4": 21.19,
    "NO3_NO2": 14.06,
    "NO2": 0.37,
    "NH4": 0.09,
    "NO3": 13.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9109, 59.9581] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "MS1",
    "water_depth": 186,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "0346",
    "depth": 20.0,
    "PO4": 1.06,
    "SiOH4": 19.27,
    "NO3_NO2": 13.3,
    "NO2": 0.45,
    "NH4": 0.18,
    "NO3": 12.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9109, 59.9581] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "MS1",
    "water_depth": 186,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "0346",
    "depth": 30.0,
    "PO4": 1.03,
    "SiOH4": 20.22,
    "NO3_NO2": 13.78,
    "NO2": 0.41,
    "NH4": 0.15,
    "NO3": 13.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9109, 59.9581] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "MS1",
    "water_depth": 186,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "0346",
    "depth": 40.0,
    "PO4": 1.07,
    "SiOH4": 21.05,
    "NO3_NO2": 14.49,
    "NO2": 0.28,
    "NH4": 0.2,
    "NO3": 14.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9109, 59.9581] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "MS1",
    "water_depth": 186,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "0346",
    "depth": 50.0,
    "PO4": 1.09,
    "SiOH4": 21.77,
    "NO3_NO2": 14.88,
    "NO2": 0.21,
    "NH4": 0.17,
    "NO3": 14.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9109, 59.9581] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "MS1",
    "water_depth": 186,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "0346",
    "depth": 75.0,
    "PO4": 1.18,
    "SiOH4": 22.06,
    "NO3_NO2": 14.83,
    "NO2": 0.27,
    "NH4": 0.19,
    "NO3": 14.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9109, 59.9581] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "MS1",
    "water_depth": 186,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "0346",
    "depth": 100.0,
    "PO4": 1.15,
    "SiOH4": 22.67,
    "NO3_NO2": 15.0,
    "NO2": 0.15,
    "NH4": 0.2,
    "NO3": 14.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9109, 59.9581] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "MS1",
    "water_depth": 186,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "0346",
    "depth": 174.0,
    "PO4": null,
    "SiOH4": 27.14,
    "NO3_NO2": 18.09,
    "NO2": 0.34,
    "NH4": 0.32,
    "NO3": 17.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8794, 59.9439] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "MS2",
    "water_depth": 197,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "0414",
    "depth": 0.0,
    "PO4": 1.01,
    "SiOH4": 18.28,
    "NO3_NO2": 12.04,
    "NO2": 1.28,
    "NH4": 0.22,
    "NO3": 10.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8794, 59.9439] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "MS2",
    "water_depth": 197,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "0414",
    "depth": 10.0,
    "PO4": 0.91,
    "SiOH4": 18.45,
    "NO3_NO2": 12.25,
    "NO2": 0.66,
    "NH4": 0.22,
    "NO3": 11.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8794, 59.9439] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "MS2",
    "water_depth": 197,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "0414",
    "depth": 20.0,
    "PO4": 1.01,
    "SiOH4": 18.52,
    "NO3_NO2": 12.47,
    "NO2": 1.03,
    "NH4": 0.26,
    "NO3": 11.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8794, 59.9439] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "MS2",
    "water_depth": 197,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "0414",
    "depth": 30.0,
    "PO4": 1.02,
    "SiOH4": 19.24,
    "NO3_NO2": 13.0,
    "NO2": 1.02,
    "NH4": 0.24,
    "NO3": 11.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8794, 59.9439] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "MS2",
    "water_depth": 197,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "0414",
    "depth": 50.0,
    "PO4": 1.05,
    "SiOH4": 20.96,
    "NO3_NO2": 14.67,
    "NO2": 0.38,
    "NH4": 0.24,
    "NO3": 14.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8794, 59.9439] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "MS2",
    "water_depth": 197,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "0414",
    "depth": 75.0,
    "PO4": 1.05,
    "SiOH4": 20.91,
    "NO3_NO2": 14.18,
    "NO2": 0.31,
    "NH4": 0.19,
    "NO3": 13.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8794, 59.9439] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "MS2",
    "water_depth": 197,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "0414",
    "depth": 100.0,
    "PO4": 1.17,
    "SiOH4": 23.4,
    "NO3_NO2": 15.5,
    "NO2": 0.26,
    "NH4": 0.18,
    "NO3": 15.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8794, 59.9439] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "MS2",
    "water_depth": 197,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "0414",
    "depth": 188.0,
    "PO4": 1.35,
    "SiOH4": 28.75,
    "NO3_NO2": 18.36,
    "NO2": 0.3,
    "NH4": 0.15,
    "NO3": 18.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8565, 59.9316] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "MS3",
    "water_depth": 163,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "0441",
    "depth": 0.0,
    "PO4": null,
    "SiOH4": 18.67,
    "NO3_NO2": 11.83,
    "NO2": 0.48,
    "NH4": 0.02,
    "NO3": 11.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8565, 59.9316] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "MS3",
    "water_depth": 163,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "0441",
    "depth": 10.0,
    "PO4": 0.5,
    "SiOH4": 17.72,
    "NO3_NO2": 11.47,
    "NO2": 0.0,
    "NH4": 0.01,
    "NO3": 11.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8565, 59.9316] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "MS3",
    "water_depth": 163,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "0441",
    "depth": 20.0,
    "PO4": 0.74,
    "SiOH4": 17.15,
    "NO3_NO2": 11.56,
    "NO2": 0.1,
    "NH4": 0.0,
    "NO3": 11.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8565, 59.9316] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "MS3",
    "water_depth": 163,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "0441",
    "depth": 30.0,
    "PO4": 1.04,
    "SiOH4": 20.88,
    "NO3_NO2": 13.94,
    "NO2": 0.1,
    "NH4": 0.01,
    "NO3": 13.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8565, 59.9316] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "MS3",
    "water_depth": 163,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "0441",
    "depth": 50.0,
    "PO4": 1.15,
    "SiOH4": 20.64,
    "NO3_NO2": 14.25,
    "NO2": 0.1,
    "NH4": 0.0,
    "NO3": 14.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8565, 59.9316] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "MS3",
    "water_depth": 163,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "0441",
    "depth": 75.0,
    "PO4": 1.16,
    "SiOH4": 20.62,
    "NO3_NO2": 14.82,
    "NO2": 0.0,
    "NH4": 0.0,
    "NO3": 14.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8565, 59.9316] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "MS3",
    "water_depth": 163,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "0441",
    "depth": 100.0,
    "PO4": 1.16,
    "SiOH4": 19.06,
    "NO3_NO2": 14.69,
    "NO2": 0.0,
    "NH4": 0.0,
    "NO3": 14.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8565, 59.9316] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "MS3",
    "water_depth": 163,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "0441",
    "depth": 159.0,
    "PO4": 1.28,
    "SiOH4": 18.82,
    "NO3_NO2": 15.27,
    "NO2": 0.18,
    "NH4": 0.0,
    "NO3": 15.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8288, 59.9208] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 40,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "0507",
    "depth": 0.0,
    "PO4": 1.1,
    "SiOH4": 15.27,
    "NO3_NO2": 12.4,
    "NO2": 0.21,
    "NH4": 0.0,
    "NO3": 12.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8288, 59.9208] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 40,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "0507",
    "depth": 10.0,
    "PO4": 1.13,
    "SiOH4": 15.69,
    "NO3_NO2": 13.24,
    "NO2": 0.1,
    "NH4": 0.04,
    "NO3": 13.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8288, 59.9208] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 40,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "0507",
    "depth": 20.0,
    "PO4": 1.08,
    "SiOH4": 14.57,
    "NO3_NO2": 13.54,
    "NO2": 0.08,
    "NH4": 0.06,
    "NO3": 13.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8288, 59.9208] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 40,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "0507",
    "depth": 30.0,
    "PO4": null,
    "SiOH4": 20.51,
    "NO3_NO2": 14.33,
    "NO2": 0.06,
    "NH4": 0.02,
    "NO3": 14.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8288, 59.9208] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 40,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "0507",
    "depth": 50.0,
    "PO4": 0.93,
    "SiOH4": 20.4,
    "NO3_NO2": 14.42,
    "NO2": 0.07,
    "NH4": 0.07,
    "NO3": 14.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8288, 59.9208] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 40,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "0507",
    "depth": 75.0,
    "PO4": 1.11,
    "SiOH4": 20.92,
    "NO3_NO2": 14.54,
    "NO2": 0.14,
    "NH4": 0.08,
    "NO3": 14.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8288, 59.9208] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 40,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "0507",
    "depth": 105.0,
    "PO4": 1.22,
    "SiOH4": 20.68,
    "NO3_NO2": 14.63,
    "NO2": 0.15,
    "NH4": 0.04,
    "NO3": 14.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9891, 60.2769] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "KIP2",
    "water_depth": 576,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "1935",
    "depth": 0.0,
    "PO4": 1.15,
    "SiOH4": 17.9,
    "NO3_NO2": 12.55,
    "NO2": 0.13,
    "NH4": 0.02,
    "NO3": 12.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9891, 60.2769] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "KIP2",
    "water_depth": 576,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "1935",
    "depth": 10.0,
    "PO4": 1.19,
    "SiOH4": 19.06,
    "NO3_NO2": 12.94,
    "NO2": 0.15,
    "NH4": 0.0,
    "NO3": 12.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9891, 60.2769] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "KIP2",
    "water_depth": 576,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "1935",
    "depth": 20.0,
    "PO4": 1.28,
    "SiOH4": 20.22,
    "NO3_NO2": 14.08,
    "NO2": 0.13,
    "NH4": 0.07,
    "NO3": 13.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9891, 60.2769] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "KIP2",
    "water_depth": 576,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "1935",
    "depth": 30.0,
    "PO4": 1.19,
    "SiOH4": 20.1,
    "NO3_NO2": 14.17,
    "NO2": 0.09,
    "NH4": 0.05,
    "NO3": 14.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9891, 60.2769] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "KIP2",
    "water_depth": 576,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "1935",
    "depth": 50.0,
    "PO4": null,
    "SiOH4": 20.19,
    "NO3_NO2": 14.9,
    "NO2": 0.04,
    "NH4": 0.01,
    "NO3": 14.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9891, 60.2769] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "KIP2",
    "water_depth": 576,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "1935",
    "depth": 100.0,
    "PO4": null,
    "SiOH4": 22.44,
    "NO3_NO2": 15.56,
    "NO2": 0.03,
    "NH4": 0.0,
    "NO3": 15.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9891, 60.2769] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "KIP2",
    "water_depth": 576,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "1935",
    "depth": 250.0,
    "PO4": 1.12,
    "SiOH4": 30.28,
    "NO3_NO2": 19.7,
    "NO2": 0.02,
    "NH4": 0.0,
    "NO3": 19.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9891, 60.2769] },
  "properties": {
    "cruise_id": "HX217",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "KIP2",
    "water_depth": 576,
    "month_gmt": "3",
    "day_gmt": "19",
    "time_gmt": "1935",
    "depth": 569.0,
    "PO4": 1.55,
    "SiOH4": 40.16,
    "NO3_NO2": null,
    "NO2": 0.04,
    "NH4": 0.0,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3593, 60.0241] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 294,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "1801",
    "depth": 0.0,
    "PO4": 0.75,
    "SiOH4": 11.34,
    "NO3_NO2": 13.57,
    "NO2": 0.21,
    "NH4": 0.17,
    "NO3": 13.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3593, 60.0241] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 294,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "1801",
    "depth": 10.0,
    "PO4": 1.16,
    "SiOH4": 11.45,
    "NO3_NO2": 13.65,
    "NO2": 0.26,
    "NH4": 0.11,
    "NO3": 13.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3593, 60.0241] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 294,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "1801",
    "depth": 20.0,
    "PO4": 1.36,
    "SiOH4": 11.9,
    "NO3_NO2": 13.72,
    "NO2": 0.21,
    "NH4": 0.0,
    "NO3": 13.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3593, 60.0241] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 294,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "1801",
    "depth": 30.0,
    "PO4": 1.46,
    "SiOH4": 12.84,
    "NO3_NO2": 14.1,
    "NO2": 0.23,
    "NH4": 0.0,
    "NO3": 13.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3593, 60.0241] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 294,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "1801",
    "depth": 50.0,
    "PO4": 1.31,
    "SiOH4": 14.11,
    "NO3_NO2": 14.53,
    "NO2": 0.23,
    "NH4": 0.0,
    "NO3": 14.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3593, 60.0241] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 294,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "1801",
    "depth": 100.0,
    "PO4": 1.39,
    "SiOH4": 15.71,
    "NO3_NO2": 15.15,
    "NO2": 0.21,
    "NH4": 0.0,
    "NO3": 14.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3593, 60.0241] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 294,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "1801",
    "depth": 150.0,
    "PO4": 1.35,
    "SiOH4": 17.97,
    "NO3_NO2": 16.08,
    "NO2": 0.18,
    "NH4": 0.01,
    "NO3": 15.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3593, 60.0241] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 294,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "1801",
    "depth": 200.0,
    "PO4": 1.36,
    "SiOH4": 20.4,
    "NO3_NO2": 17.18,
    "NO2": 0.21,
    "NH4": 0.01,
    "NO3": 16.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3593, 60.0241] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 294,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "1801",
    "depth": 291.0,
    "PO4": 2.17,
    "SiOH4": 52.03,
    "NO3_NO2": 29.48,
    "NO2": 0.18,
    "NH4": 0.12,
    "NO3": 29.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4642, 59.845] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "2000",
    "depth": 0.0,
    "PO4": 0.45,
    "SiOH4": 20.81,
    "NO3_NO2": 8.2,
    "NO2": 0.32,
    "NH4": 0.15,
    "NO3": 7.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4642, 59.845] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "2000",
    "depth": 10.0,
    "PO4": 0.72,
    "SiOH4": 23.3,
    "NO3_NO2": 8.08,
    "NO2": 0.41,
    "NH4": 0.81,
    "NO3": 7.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4642, 59.845] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "2000",
    "depth": 20.0,
    "PO4": 0.81,
    "SiOH4": 24.13,
    "NO3_NO2": 8.5,
    "NO2": 0.36,
    "NH4": 0.79,
    "NO3": 8.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4642, 59.845] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "2000",
    "depth": 30.0,
    "PO4": 0.88,
    "SiOH4": 24.83,
    "NO3_NO2": 8.73,
    "NO2": 0.37,
    "NH4": 1.23,
    "NO3": 8.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4642, 59.845] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "2000",
    "depth": 50.0,
    "PO4": 0.94,
    "SiOH4": 25.52,
    "NO3_NO2": 10.98,
    "NO2": 0.3,
    "NH4": 1.0,
    "NO3": 10.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4642, 59.845] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "2000",
    "depth": 100.0,
    "PO4": 1.06,
    "SiOH4": 26.63,
    "NO3_NO2": 13.65,
    "NO2": 0.25,
    "NH4": 0.91,
    "NO3": 13.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4642, 59.845] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "2000",
    "depth": 200.0,
    "PO4": 1.03,
    "SiOH4": 26.49,
    "NO3_NO2": 16.38,
    "NO2": 0.21,
    "NH4": 0.34,
    "NO3": 16.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4642, 59.845] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "2000",
    "depth": 250.0,
    "PO4": 1.32,
    "SiOH4": 29.13,
    "NO3_NO2": 16.92,
    "NO2": 0.14,
    "NH4": 0.37,
    "NO3": 16.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4642, 59.845] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "2000",
    "depth": 265.0,
    "PO4": 1.35,
    "SiOH4": 29.54,
    "NO3_NO2": 17.4,
    "NO2": 0.12,
    "NH4": 0.57,
    "NO3": 17.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7908, 58.0995] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2093,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1553",
    "depth": 0.0,
    "PO4": 0.51,
    "SiOH4": 13.11,
    "NO3_NO2": 15.8,
    "NO2": 0.12,
    "NH4": 0.24,
    "NO3": 15.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7908, 58.0995] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2093,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1553",
    "depth": 25.0,
    "PO4": 0.91,
    "SiOH4": 14.01,
    "NO3_NO2": 15.86,
    "NO2": 0.11,
    "NH4": 0.34,
    "NO3": 15.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7908, 58.0995] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2093,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1553",
    "depth": 50.0,
    "PO4": 1.06,
    "SiOH4": 14.91,
    "NO3_NO2": 15.91,
    "NO2": 0.11,
    "NH4": 0.49,
    "NO3": 15.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7908, 58.0995] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2093,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1553",
    "depth": 75.0,
    "PO4": 1.1,
    "SiOH4": 8.74,
    "NO3_NO2": 15.91,
    "NO2": 0.07,
    "NH4": 0.59,
    "NO3": 15.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7908, 58.0995] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2093,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1553",
    "depth": 100.0,
    "PO4": 1.24,
    "SiOH4": 12.97,
    "NO3_NO2": 18.7,
    "NO2": 0.01,
    "NH4": 0.69,
    "NO3": 18.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7908, 58.0995] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2093,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1553",
    "depth": 250.0,
    "PO4": 1.67,
    "SiOH4": 32.87,
    "NO3_NO2": 30.55,
    "NO2": 0.01,
    "NH4": 0.76,
    "NO3": 30.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7908, 58.0995] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2093,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1553",
    "depth": 500.0,
    "PO4": 2.37,
    "SiOH4": 69.84,
    "NO3_NO2": 41.49,
    "NO2": 0.01,
    "NH4": 0.96,
    "NO3": 41.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7908, 58.0995] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2093,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1553",
    "depth": 1000.0,
    "PO4": 3.41,
    "SiOH4": 133.98,
    "NO3_NO2": 46.71,
    "NO2": 0.07,
    "NH4": 0.21,
    "NO3": 46.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7908, 58.0995] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2093,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1553",
    "depth": 1500.0,
    "PO4": 3.57,
    "SiOH4": null,
    "NO3_NO2": 46.59,
    "NO2": 0.03,
    "NH4": 0.14,
    "NO3": 46.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9318, 58.2428] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK12",
    "water_depth": 2157,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1831",
    "depth": 0.0,
    "PO4": 0.5,
    "SiOH4": 16.3,
    "NO3_NO2": 15.93,
    "NO2": 0.05,
    "NH4": 0.06,
    "NO3": 15.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9318, 58.2428] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK12",
    "water_depth": 2157,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1831",
    "depth": 25.0,
    "PO4": 0.73,
    "SiOH4": 16.37,
    "NO3_NO2": 15.93,
    "NO2": 0.05,
    "NH4": 0.0,
    "NO3": 15.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9318, 58.2428] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK12",
    "water_depth": 2157,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1831",
    "depth": 50.0,
    "PO4": 1.01,
    "SiOH4": 16.71,
    "NO3_NO2": 15.99,
    "NO2": 0.1,
    "NH4": 0.06,
    "NO3": 15.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9318, 58.2428] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK12",
    "water_depth": 2157,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1831",
    "depth": 75.0,
    "PO4": 1.13,
    "SiOH4": 16.37,
    "NO3_NO2": 15.99,
    "NO2": 0.09,
    "NH4": 0.0,
    "NO3": 15.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9318, 58.2428] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK12",
    "water_depth": 2157,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1831",
    "depth": 100.0,
    "PO4": 1.14,
    "SiOH4": 16.71,
    "NO3_NO2": 16.05,
    "NO2": 0.12,
    "NH4": 0.01,
    "NO3": 15.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9318, 58.2428] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK12",
    "water_depth": 2157,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1831",
    "depth": 250.0,
    "PO4": 1.13,
    "SiOH4": 39.95,
    "NO3_NO2": 31.26,
    "NO2": 0.01,
    "NH4": 0.0,
    "NO3": 31.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9318, 58.2428] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK12",
    "water_depth": 2157,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1831",
    "depth": 500.0,
    "PO4": 1.88,
    "SiOH4": 84.4,
    "NO3_NO2": 43.42,
    "NO2": 0.01,
    "NH4": 0.16,
    "NO3": 43.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9318, 58.2428] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK12",
    "water_depth": 2157,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1831",
    "depth": 1000.0,
    "PO4": 3.09,
    "SiOH4": 134.12,
    "NO3_NO2": 46.4,
    "NO2": 0.01,
    "NH4": 0.19,
    "NO3": 46.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9318, 58.2428] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK12",
    "water_depth": 2157,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1831",
    "depth": 1500.0,
    "PO4": 3.33,
    "SiOH4": null,
    "NO3_NO2": 46.34,
    "NO2": 0.0,
    "NH4": 0.18,
    "NO3": 46.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0703, 58.39] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "GAK11",
    "water_depth": 1431,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "2048",
    "depth": 0.0,
    "PO4": 0.55,
    "SiOH4": 18.59,
    "NO3_NO2": 15.42,
    "NO2": 0.2,
    "NH4": 0.11,
    "NO3": 15.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0703, 58.39] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "GAK11",
    "water_depth": 1431,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "2048",
    "depth": 25.0,
    "PO4": 0.56,
    "SiOH4": 18.59,
    "NO3_NO2": 15.48,
    "NO2": 0.11,
    "NH4": 0.01,
    "NO3": 15.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0703, 58.39] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "GAK11",
    "water_depth": 1431,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "2048",
    "depth": 50.0,
    "PO4": 0.41,
    "SiOH4": 18.17,
    "NO3_NO2": 15.48,
    "NO2": 0.13,
    "NH4": 0.01,
    "NO3": 15.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0703, 58.39] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "GAK11",
    "water_depth": 1431,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "2048",
    "depth": 75.0,
    "PO4": 0.59,
    "SiOH4": 18.31,
    "NO3_NO2": 15.54,
    "NO2": 0.12,
    "NH4": 0.05,
    "NO3": 15.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0703, 58.39] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "GAK11",
    "water_depth": 1431,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "2048",
    "depth": 100.0,
    "PO4": 0.85,
    "SiOH4": 18.59,
    "NO3_NO2": 15.84,
    "NO2": 0.12,
    "NH4": 0.16,
    "NO3": 15.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0703, 58.39] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "GAK11",
    "water_depth": 1431,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "2048",
    "depth": 250.0,
    "PO4": 1.06,
    "SiOH4": 48.96,
    "NO3_NO2": 33.09,
    "NO2": 0.01,
    "NH4": 0.17,
    "NO3": 33.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0703, 58.39] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "GAK11",
    "water_depth": 1431,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "2048",
    "depth": 500.0,
    "PO4": 2.15,
    "SiOH4": 98.62,
    "NO3_NO2": 43.77,
    "NO2": 0.18,
    "NH4": 0.28,
    "NO3": 43.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0703, 58.39] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "GAK11",
    "water_depth": 1431,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "2048",
    "depth": 1000.0,
    "PO4": 2.92,
    "SiOH4": null,
    "NO3_NO2": 45.55,
    "NO2": 0.2,
    "NH4": 0.37,
    "NO3": 45.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0703, 58.39] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "GAK11",
    "water_depth": 1431,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "2048",
    "depth": 1410.0,
    "PO4": 3.33,
    "SiOH4": null,
    "NO3_NO2": 45.08,
    "NO2": 0.19,
    "NH4": 0.11,
    "NO3": 44.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2109, 58.543] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 8,
    "stn_id": "GAK10",
    "water_depth": 1460,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "2316",
    "depth": 0.0,
    "PO4": 0.76,
    "SiOH4": 19.1,
    "NO3_NO2": 15.36,
    "NO2": 0.23,
    "NH4": 0.17,
    "NO3": 15.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2109, 58.543] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 8,
    "stn_id": "GAK10",
    "water_depth": 1460,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "2316",
    "depth": 25.0,
    "PO4": 0.76,
    "SiOH4": 19.06,
    "NO3_NO2": 15.41,
    "NO2": 0.22,
    "NH4": 0.01,
    "NO3": 15.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2109, 58.543] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 8,
    "stn_id": "GAK10",
    "water_depth": 1460,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "2316",
    "depth": 50.0,
    "PO4": 0.79,
    "SiOH4": 19.29,
    "NO3_NO2": 15.7,
    "NO2": 0.24,
    "NH4": 0.01,
    "NO3": 15.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2109, 58.543] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 8,
    "stn_id": "GAK10",
    "water_depth": 1460,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "2316",
    "depth": 100.0,
    "PO4": 0.73,
    "SiOH4": 21.05,
    "NO3_NO2": 17.29,
    "NO2": 0.11,
    "NH4": 0.0,
    "NO3": 17.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2109, 58.543] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 8,
    "stn_id": "GAK10",
    "water_depth": 1460,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "2316",
    "depth": 175.0,
    "PO4": 0.79,
    "SiOH4": 36.82,
    "NO3_NO2": 26.66,
    "NO2": 0.03,
    "NH4": 0.0,
    "NO3": 26.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2109, 58.543] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 8,
    "stn_id": "GAK10",
    "water_depth": 1460,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "2316",
    "depth": 250.0,
    "PO4": 1.14,
    "SiOH4": 57.03,
    "NO3_NO2": 35.67,
    "NO2": 0.02,
    "NH4": 0.0,
    "NO3": 35.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2109, 58.543] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 8,
    "stn_id": "GAK10",
    "water_depth": 1460,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "2316",
    "depth": 500.0,
    "PO4": 1.65,
    "SiOH4": 95.13,
    "NO3_NO2": 43.2,
    "NO2": 0.02,
    "NH4": 0.01,
    "NO3": 43.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2109, 58.543] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 8,
    "stn_id": "GAK10",
    "water_depth": 1460,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "2316",
    "depth": 1000.0,
    "PO4": 2.23,
    "SiOH4": null,
    "NO3_NO2": 45.32,
    "NO2": 0.01,
    "NH4": 0.18,
    "NO3": 45.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2109, 58.543] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 8,
    "stn_id": "GAK10",
    "water_depth": 1460,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "2316",
    "depth": 1436.0,
    "PO4": 2.63,
    "SiOH4": null,
    "NO3_NO2": 45.32,
    "NO2": 0.01,
    "NH4": 0.3,
    "NO3": 45.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2833, 58.6196] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "GAK9I",
    "water_depth": 606,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "0107",
    "depth": 0.0,
    "PO4": 0.4,
    "SiOH4": 17.25,
    "NO3_NO2": 15.18,
    "NO2": 0.1,
    "NH4": 0.46,
    "NO3": 15.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2833, 58.6196] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "GAK9I",
    "water_depth": 606,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "0107",
    "depth": 10.0,
    "PO4": 0.45,
    "SiOH4": 17.02,
    "NO3_NO2": 15.23,
    "NO2": 0.13,
    "NH4": 0.37,
    "NO3": 15.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2833, 58.6196] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "GAK9I",
    "water_depth": 606,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "0107",
    "depth": 20.0,
    "PO4": 0.58,
    "SiOH4": 16.93,
    "NO3_NO2": 15.23,
    "NO2": 0.23,
    "NH4": 0.24,
    "NO3": 15.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2833, 58.6196] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "GAK9I",
    "water_depth": 606,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "0107",
    "depth": 30.0,
    "PO4": 0.64,
    "SiOH4": 17.12,
    "NO3_NO2": 15.28,
    "NO2": 0.2,
    "NH4": 0.35,
    "NO3": 15.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2833, 58.6196] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "GAK9I",
    "water_depth": 606,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "0107",
    "depth": 40.0,
    "PO4": 0.67,
    "SiOH4": 16.62,
    "NO3_NO2": 15.28,
    "NO2": 0.2,
    "NH4": 0.36,
    "NO3": 15.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2833, 58.6196] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "GAK9I",
    "water_depth": 606,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "0107",
    "depth": 50.0,
    "PO4": 0.64,
    "SiOH4": 16.67,
    "NO3_NO2": 15.39,
    "NO2": 0.22,
    "NH4": 0.25,
    "NO3": 15.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2833, 58.6196] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "GAK9I",
    "water_depth": 606,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "0107",
    "depth": 100.0,
    "PO4": 0.7,
    "SiOH4": 22.13,
    "NO3_NO2": 19.36,
    "NO2": 0.11,
    "NH4": 0.14,
    "NO3": 19.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2833, 58.6196] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "GAK9I",
    "water_depth": 606,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "0107",
    "depth": 250.0,
    "PO4": 1.06,
    "SiOH4": 58.1,
    "NO3_NO2": 36.2,
    "NO2": 0.06,
    "NH4": 0.11,
    "NO3": 36.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2833, 58.6196] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "GAK9I",
    "water_depth": 606,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "0107",
    "depth": 500.0,
    "PO4": 1.92,
    "SiOH4": 94.77,
    "NO3_NO2": 43.37,
    "NO2": 0.03,
    "NH4": 0.2,
    "NO3": 43.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2833, 58.6196] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "GAK9I",
    "water_depth": 606,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "0107",
    "depth": 595.0,
    "PO4": 2.63,
    "SiOH4": 103.14,
    "NO3_NO2": 44.01,
    "NO2": 0.03,
    "NH4": 0.04,
    "NO3": 43.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3498, 58.6797] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "GAK9",
    "water_depth": 279,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "0213",
    "depth": 0.0,
    "PO4": 1.21,
    "SiOH4": 16.85,
    "NO3_NO2": 15.42,
    "NO2": 0.22,
    "NH4": 0.35,
    "NO3": 15.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3498, 58.6797] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "GAK9",
    "water_depth": 279,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "0213",
    "depth": 10.0,
    "PO4": 1.14,
    "SiOH4": 16.63,
    "NO3_NO2": 15.42,
    "NO2": 0.2,
    "NH4": 0.25,
    "NO3": 15.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3498, 58.6797] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "GAK9",
    "water_depth": 279,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "0213",
    "depth": 20.0,
    "PO4": 1.08,
    "SiOH4": 16.83,
    "NO3_NO2": 15.42,
    "NO2": 0.18,
    "NH4": 0.3,
    "NO3": 15.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3498, 58.6797] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "GAK9",
    "water_depth": 279,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "0213",
    "depth": 30.0,
    "PO4": 1.13,
    "SiOH4": 16.34,
    "NO3_NO2": 15.54,
    "NO2": 0.16,
    "NH4": 0.4,
    "NO3": 15.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3498, 58.6797] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "GAK9",
    "water_depth": 279,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "0213",
    "depth": 40.0,
    "PO4": 1.11,
    "SiOH4": 16.27,
    "NO3_NO2": 15.66,
    "NO2": 0.14,
    "NH4": 0.3,
    "NO3": 15.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3498, 58.6797] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "GAK9",
    "water_depth": 279,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "0213",
    "depth": 50.0,
    "PO4": 1.11,
    "SiOH4": 16.88,
    "NO3_NO2": 16.61,
    "NO2": 0.15,
    "NH4": 0.27,
    "NO3": 16.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3498, 58.6797] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "GAK9",
    "water_depth": 279,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "0213",
    "depth": 100.0,
    "PO4": 1.16,
    "SiOH4": 24.71,
    "NO3_NO2": 21.65,
    "NO2": 0.02,
    "NH4": 0.27,
    "NO3": 21.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3498, 58.6797] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "GAK9",
    "water_depth": 279,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "0213",
    "depth": 150.0,
    "PO4": 1.38,
    "SiOH4": 33.38,
    "NO3_NO2": 26.45,
    "NO2": 0.06,
    "NH4": 0.27,
    "NO3": 26.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3498, 58.6797] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "GAK9",
    "water_depth": 279,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "0213",
    "depth": 200.0,
    "PO4": 1.73,
    "SiOH4": 44.54,
    "NO3_NO2": 32.26,
    "NO2": 0.04,
    "NH4": 0.44,
    "NO3": 32.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3498, 58.6797] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "GAK9",
    "water_depth": 279,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "0213",
    "depth": 273.0,
    "PO4": 2.09,
    "SiOH4": 69.15,
    "NO3_NO2": 39.14,
    "NO2": 0.02,
    "NH4": 0.4,
    "NO3": 39.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4179, 58.7437] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 12,
    "stn_id": "GAK8I",
    "water_depth": 299,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "0327",
    "depth": 0.0,
    "PO4": 0.77,
    "SiOH4": 8.51,
    "NO3_NO2": 15.12,
    "NO2": 0.38,
    "NH4": 0.33,
    "NO3": 14.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4179, 58.7437] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 12,
    "stn_id": "GAK8I",
    "water_depth": 299,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "0327",
    "depth": 10.0,
    "PO4": 1.19,
    "SiOH4": 8.43,
    "NO3_NO2": 15.11,
    "NO2": 0.42,
    "NH4": 0.22,
    "NO3": 14.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4179, 58.7437] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 12,
    "stn_id": "GAK8I",
    "water_depth": 299,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "0327",
    "depth": 20.0,
    "PO4": 1.26,
    "SiOH4": 7.86,
    "NO3_NO2": 15.17,
    "NO2": 0.46,
    "NH4": 0.31,
    "NO3": 14.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4179, 58.7437] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 12,
    "stn_id": "GAK8I",
    "water_depth": 299,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "0327",
    "depth": 30.0,
    "PO4": 1.35,
    "SiOH4": 8.12,
    "NO3_NO2": 15.16,
    "NO2": 0.45,
    "NH4": 0.35,
    "NO3": 14.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4179, 58.7437] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 12,
    "stn_id": "GAK8I",
    "water_depth": 299,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "0327",
    "depth": 40.0,
    "PO4": 1.31,
    "SiOH4": 7.71,
    "NO3_NO2": 15.28,
    "NO2": 0.46,
    "NH4": 0.36,
    "NO3": 14.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4179, 58.7437] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 12,
    "stn_id": "GAK8I",
    "water_depth": 299,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "0327",
    "depth": 50.0,
    "PO4": 1.29,
    "SiOH4": 8.13,
    "NO3_NO2": 15.21,
    "NO2": 0.48,
    "NH4": 0.23,
    "NO3": 14.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4179, 58.7437] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 12,
    "stn_id": "GAK8I",
    "water_depth": 299,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "0327",
    "depth": 100.0,
    "PO4": 1.47,
    "SiOH4": 13.34,
    "NO3_NO2": 19.12,
    "NO2": 0.33,
    "NH4": 0.12,
    "NO3": 18.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4179, 58.7437] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 12,
    "stn_id": "GAK8I",
    "water_depth": 299,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "0327",
    "depth": 150.0,
    "PO4": 1.98,
    "SiOH4": 29.27,
    "NO3_NO2": 27.77,
    "NO2": 0.35,
    "NH4": 0.11,
    "NO3": 27.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4179, 58.7437] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 12,
    "stn_id": "GAK8I",
    "water_depth": 299,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "0327",
    "depth": 200.0,
    "PO4": 2.22,
    "SiOH4": 37.61,
    "NO3_NO2": 31.33,
    "NO2": 0.01,
    "NH4": 0.32,
    "NO3": 31.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4179, 58.7437] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 12,
    "stn_id": "GAK8I",
    "water_depth": 299,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "0327",
    "depth": 284.0,
    "PO4": 2.7,
    "SiOH4": 54.7,
    "NO3_NO2": 36.48,
    "NO2": 0.06,
    "NH4": 0.31,
    "NO3": 36.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4906, 58.7899] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "1657",
    "depth": 0.0,
    "PO4": 1.16,
    "SiOH4": 8.64,
    "NO3_NO2": 15.12,
    "NO2": 0.16,
    "NH4": 0.01,
    "NO3": 14.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4906, 58.7899] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "1657",
    "depth": 10.0,
    "PO4": 1.3,
    "SiOH4": 8.64,
    "NO3_NO2": 15.18,
    "NO2": 0.16,
    "NH4": 0.04,
    "NO3": 15.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4906, 58.7899] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "1657",
    "depth": 20.0,
    "PO4": 1.3,
    "SiOH4": 9.58,
    "NO3_NO2": 15.17,
    "NO2": 0.16,
    "NH4": 0.08,
    "NO3": 15.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4906, 58.7899] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "1657",
    "depth": 30.0,
    "PO4": 1.3,
    "SiOH4": 9.27,
    "NO3_NO2": 15.17,
    "NO2": 0.21,
    "NH4": 0.24,
    "NO3": 14.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4906, 58.7899] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "1657",
    "depth": 50.0,
    "PO4": 1.29,
    "SiOH4": 10.05,
    "NO3_NO2": 15.63,
    "NO2": 0.53,
    "NH4": 0.2,
    "NO3": 15.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4906, 58.7899] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "1657",
    "depth": 100.0,
    "PO4": 1.27,
    "SiOH4": 7.07,
    "NO3_NO2": 14.28,
    "NO2": 0.34,
    "NH4": 0.39,
    "NO3": 13.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4906, 58.7899] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "1657",
    "depth": 150.0,
    "PO4": 1.88,
    "SiOH4": 32.67,
    "NO3_NO2": 27.36,
    "NO2": 0.11,
    "NH4": 0.08,
    "NO3": 27.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4906, 58.7899] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "1657",
    "depth": 200.0,
    "PO4": 2.27,
    "SiOH4": 46.18,
    "NO3_NO2": 32.73,
    "NO2": 0.77,
    "NH4": 0.06,
    "NO3": 31.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4906, 58.7899] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "1657",
    "depth": 282.0,
    "PO4": 2.76,
    "SiOH4": 64.24,
    "NO3_NO2": 37.69,
    "NO2": 0.27,
    "NH4": 0.01,
    "NO3": 37.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.632, 58.9714] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "GAK7",
    "water_depth": 248,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "1851",
    "depth": 0.0,
    "PO4": 0.4,
    "SiOH4": 16.05,
    "NO3_NO2": 15.07,
    "NO2": 0.24,
    "NH4": 0.62,
    "NO3": 14.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.632, 58.9714] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "GAK7",
    "water_depth": 248,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "1851",
    "depth": 10.0,
    "PO4": 1.15,
    "SiOH4": 15.93,
    "NO3_NO2": 15.13,
    "NO2": 0.11,
    "NH4": 0.7,
    "NO3": 15.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.632, 58.9714] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "GAK7",
    "water_depth": 248,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "1851",
    "depth": 20.0,
    "PO4": 1.2,
    "SiOH4": 16.27,
    "NO3_NO2": 15.19,
    "NO2": 0.05,
    "NH4": 0.07,
    "NO3": 15.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.632, 58.9714] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "GAK7",
    "water_depth": 248,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "1851",
    "depth": 30.0,
    "PO4": 1.26,
    "SiOH4": 16.62,
    "NO3_NO2": 14.72,
    "NO2": 0.0,
    "NH4": 0.12,
    "NO3": 14.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.632, 58.9714] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "GAK7",
    "water_depth": 248,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "1851",
    "depth": 50.0,
    "PO4": 1.23,
    "SiOH4": 15.39,
    "NO3_NO2": 14.43,
    "NO2": 0.0,
    "NH4": 0.1,
    "NO3": 14.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.632, 58.9714] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "GAK7",
    "water_depth": 248,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "1851",
    "depth": 75.0,
    "PO4": 1.23,
    "SiOH4": 14.32,
    "NO3_NO2": 14.55,
    "NO2": 0.0,
    "NH4": 0.09,
    "NO3": 14.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.632, 58.9714] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "GAK7",
    "water_depth": 248,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "1851",
    "depth": 100.0,
    "PO4": 1.26,
    "SiOH4": 16.08,
    "NO3_NO2": 15.89,
    "NO2": 0.0,
    "NH4": 0.13,
    "NO3": 15.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.632, 58.9714] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "GAK7",
    "water_depth": 248,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "1851",
    "depth": 150.0,
    "PO4": 1.52,
    "SiOH4": 25.54,
    "NO3_NO2": 22.08,
    "NO2": 0.0,
    "NH4": 0.14,
    "NO3": 22.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.632, 58.9714] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "GAK7",
    "water_depth": 248,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "1851",
    "depth": 243.0,
    "PO4": 2.41,
    "SiOH4": 57.61,
    "NO3_NO2": 35.17,
    "NO2": 0.08,
    "NH4": 0.07,
    "NO3": 35.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.775, 59.118] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK6",
    "water_depth": 152,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2034",
    "depth": 0.0,
    "PO4": 0.37,
    "SiOH4": 19.7,
    "NO3_NO2": 15.3,
    "NO2": 0.14,
    "NH4": 0.0,
    "NO3": 15.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.775, 59.118] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK6",
    "water_depth": 152,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2034",
    "depth": 10.0,
    "PO4": 1.11,
    "SiOH4": 19.6,
    "NO3_NO2": 15.29,
    "NO2": 0.12,
    "NH4": 0.36,
    "NO3": 15.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.775, 59.118] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK6",
    "water_depth": 152,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2034",
    "depth": 20.0,
    "PO4": 1.24,
    "SiOH4": 19.67,
    "NO3_NO2": 15.29,
    "NO2": 0.1,
    "NH4": 0.01,
    "NO3": 15.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.775, 59.118] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK6",
    "water_depth": 152,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2034",
    "depth": 30.0,
    "PO4": 1.15,
    "SiOH4": 19.41,
    "NO3_NO2": 15.34,
    "NO2": 0.1,
    "NH4": 0.48,
    "NO3": 15.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.775, 59.118] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK6",
    "water_depth": 152,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2034",
    "depth": 40.0,
    "PO4": 1.17,
    "SiOH4": 19.32,
    "NO3_NO2": 15.34,
    "NO2": 0.13,
    "NH4": 0.19,
    "NO3": 15.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.775, 59.118] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK6",
    "water_depth": 152,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2034",
    "depth": 50.0,
    "PO4": 1.09,
    "SiOH4": 19.38,
    "NO3_NO2": 15.45,
    "NO2": 0.14,
    "NH4": 0.28,
    "NO3": 15.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.775, 59.118] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK6",
    "water_depth": 152,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2034",
    "depth": 75.0,
    "PO4": 1.11,
    "SiOH4": 19.6,
    "NO3_NO2": 16.02,
    "NO2": 0.14,
    "NH4": 0.25,
    "NO3": 15.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.775, 59.118] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK6",
    "water_depth": 152,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2034",
    "depth": 100.0,
    "PO4": 1.19,
    "SiOH4": 22.34,
    "NO3_NO2": 17.71,
    "NO2": 0.12,
    "NH4": 0.31,
    "NO3": 17.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.775, 59.118] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK6",
    "water_depth": 152,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2034",
    "depth": 147.0,
    "PO4": 1.68,
    "SiOH4": 40.78,
    "NO3_NO2": 27.29,
    "NO2": 0.07,
    "NH4": 0.5,
    "NO3": 27.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8466, 59.1977] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK5I",
    "water_depth": 175,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2134",
    "depth": 0.0,
    "PO4": 0.5,
    "SiOH4": 13.6,
    "NO3_NO2": 14.38,
    "NO2": 0.01,
    "NH4": 0.28,
    "NO3": 14.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8466, 59.1977] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK5I",
    "water_depth": 175,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2134",
    "depth": 10.0,
    "PO4": 0.91,
    "SiOH4": 14.01,
    "NO3_NO2": 14.38,
    "NO2": 0.01,
    "NH4": 0.36,
    "NO3": 14.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8466, 59.1977] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK5I",
    "water_depth": 175,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2134",
    "depth": 20.0,
    "PO4": 1.14,
    "SiOH4": 14.73,
    "NO3_NO2": 14.45,
    "NO2": 0.0,
    "NH4": 0.01,
    "NO3": 14.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8466, 59.1977] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK5I",
    "water_depth": 175,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2134",
    "depth": 30.0,
    "PO4": 1.12,
    "SiOH4": 15.14,
    "NO3_NO2": 14.51,
    "NO2": 0.07,
    "NH4": 0.0,
    "NO3": 14.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8466, 59.1977] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK5I",
    "water_depth": 175,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2134",
    "depth": 40.0,
    "PO4": 1.15,
    "SiOH4": 16.18,
    "NO3_NO2": 14.87,
    "NO2": 0.16,
    "NH4": 0.0,
    "NO3": 14.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8466, 59.1977] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK5I",
    "water_depth": 175,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2134",
    "depth": 50.0,
    "PO4": 1.14,
    "SiOH4": 17.06,
    "NO3_NO2": 14.99,
    "NO2": 0.01,
    "NH4": 0.34,
    "NO3": 14.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8466, 59.1977] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK5I",
    "water_depth": 175,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2134",
    "depth": 75.0,
    "PO4": 1.19,
    "SiOH4": 17.62,
    "NO3_NO2": 15.46,
    "NO2": 0.04,
    "NH4": 0.01,
    "NO3": 15.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8466, 59.1977] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK5I",
    "water_depth": 175,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2134",
    "depth": 100.0,
    "PO4": 1.2,
    "SiOH4": 19.76,
    "NO3_NO2": 16.64,
    "NO2": 0.04,
    "NH4": 0.07,
    "NO3": 16.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8466, 59.1977] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK5I",
    "water_depth": 175,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2134",
    "depth": 168.0,
    "PO4": 1.39,
    "SiOH4": 32.11,
    "NO3_NO2": 22.6,
    "NO2": 0.02,
    "NH4": 0.15,
    "NO3": 22.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9113, 59.2619] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK5",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2222",
    "depth": 0.0,
    "PO4": 0.65,
    "SiOH4": 16.95,
    "NO3_NO2": 13.85,
    "NO2": 0.12,
    "NH4": 0.01,
    "NO3": 13.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9113, 59.2619] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK5",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2222",
    "depth": 10.0,
    "PO4": 0.96,
    "SiOH4": 16.46,
    "NO3_NO2": 12.74,
    "NO2": 0.09,
    "NH4": 0.0,
    "NO3": 12.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9113, 59.2619] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK5",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2222",
    "depth": 20.0,
    "PO4": 1.06,
    "SiOH4": 16.45,
    "NO3_NO2": 12.85,
    "NO2": 0.03,
    "NH4": 1.33,
    "NO3": 12.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9113, 59.2619] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK5",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2222",
    "depth": 30.0,
    "PO4": 0.99,
    "SiOH4": 19.1,
    "NO3_NO2": 13.32,
    "NO2": 0.15,
    "NH4": 0.61,
    "NO3": 13.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9113, 59.2619] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK5",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2222",
    "depth": 40.0,
    "PO4": 0.98,
    "SiOH4": 18.77,
    "NO3_NO2": 13.67,
    "NO2": 0.09,
    "NH4": 1.05,
    "NO3": 13.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9113, 59.2619] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK5",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2222",
    "depth": 50.0,
    "PO4": 0.98,
    "SiOH4": 19.54,
    "NO3_NO2": 14.96,
    "NO2": 0.06,
    "NH4": 0.77,
    "NO3": 14.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9113, 59.2619] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK5",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2222",
    "depth": 75.0,
    "PO4": 0.99,
    "SiOH4": 19.52,
    "NO3_NO2": 15.07,
    "NO2": 0.26,
    "NH4": 0.43,
    "NO3": 14.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9113, 59.2619] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK5",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2222",
    "depth": 100.0,
    "PO4": 1.0,
    "SiOH4": 19.04,
    "NO3_NO2": 15.25,
    "NO2": 0.2,
    "NH4": 0.28,
    "NO3": 15.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9113, 59.2619] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK5",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2222",
    "depth": 172.0,
    "PO4": 1.03,
    "SiOH4": 21.85,
    "NO3_NO2": 17.12,
    "NO2": 0.14,
    "NH4": 0.27,
    "NO3": 16.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9795, 59.335] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 20,
    "stn_id": "GAK4I",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2336",
    "depth": 0.0,
    "PO4": 1.25,
    "SiOH4": 15.92,
    "NO3_NO2": 9.64,
    "NO2": 0.27,
    "NH4": 0.44,
    "NO3": 9.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9795, 59.335] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 20,
    "stn_id": "GAK4I",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2336",
    "depth": 10.0,
    "PO4": 1.19,
    "SiOH4": 16.45,
    "NO3_NO2": 10.17,
    "NO2": 0.27,
    "NH4": 0.21,
    "NO3": 9.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9795, 59.335] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 20,
    "stn_id": "GAK4I",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2336",
    "depth": 20.0,
    "PO4": 1.17,
    "SiOH4": 17.95,
    "NO3_NO2": 12.56,
    "NO2": 0.27,
    "NH4": 0.28,
    "NO3": 12.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9795, 59.335] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 20,
    "stn_id": "GAK4I",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2336",
    "depth": 30.0,
    "PO4": 1.23,
    "SiOH4": 19.03,
    "NO3_NO2": 13.55,
    "NO2": 0.33,
    "NH4": 0.4,
    "NO3": 13.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9795, 59.335] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 20,
    "stn_id": "GAK4I",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2336",
    "depth": 40.0,
    "PO4": 1.31,
    "SiOH4": 20.25,
    "NO3_NO2": 14.9,
    "NO2": 0.33,
    "NH4": 0.37,
    "NO3": 14.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9795, 59.335] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 20,
    "stn_id": "GAK4I",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2336",
    "depth": 50.0,
    "PO4": 1.33,
    "SiOH4": 20.5,
    "NO3_NO2": 14.72,
    "NO2": 0.33,
    "NH4": 0.33,
    "NO3": 14.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9795, 59.335] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 20,
    "stn_id": "GAK4I",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2336",
    "depth": 75.0,
    "PO4": 1.36,
    "SiOH4": 20.89,
    "NO3_NO2": 15.13,
    "NO2": 0.34,
    "NH4": 0.51,
    "NO3": 14.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9795, 59.335] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 20,
    "stn_id": "GAK4I",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2336",
    "depth": 100.0,
    "PO4": 1.33,
    "SiOH4": 21.55,
    "NO3_NO2": 15.95,
    "NO2": 0.31,
    "NH4": 0.24,
    "NO3": 15.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9795, 59.335] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 20,
    "stn_id": "GAK4I",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "14",
    "time_gmt": "2336",
    "depth": 194.0,
    "PO4": 1.59,
    "SiOH4": 19.86,
    "NO3_NO2": 17.64,
    "NO2": 0.32,
    "NH4": 0.42,
    "NO3": 17.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.051, 59.409] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "0033",
    "depth": 0.0,
    "PO4": 0.69,
    "SiOH4": 17.3,
    "NO3_NO2": 13.72,
    "NO2": 0.29,
    "NH4": 0.77,
    "NO3": 13.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.051, 59.409] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "0033",
    "depth": 10.0,
    "PO4": 0.99,
    "SiOH4": 17.53,
    "NO3_NO2": 13.82,
    "NO2": 0.26,
    "NH4": 0.57,
    "NO3": 13.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.051, 59.409] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "0033",
    "depth": 20.0,
    "PO4": 1.11,
    "SiOH4": 18.18,
    "NO3_NO2": 13.99,
    "NO2": 0.23,
    "NH4": 0.59,
    "NO3": 13.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.051, 59.409] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "0033",
    "depth": 30.0,
    "PO4": 1.16,
    "SiOH4": 18.28,
    "NO3_NO2": 14.03,
    "NO2": 0.23,
    "NH4": 0.84,
    "NO3": 13.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.051, 59.409] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "0033",
    "depth": 40.0,
    "PO4": 1.13,
    "SiOH4": 17.96,
    "NO3_NO2": 14.14,
    "NO2": 0.23,
    "NH4": 0.71,
    "NO3": 13.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.051, 59.409] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "0033",
    "depth": 50.0,
    "PO4": 1.16,
    "SiOH4": 17.37,
    "NO3_NO2": 15.18,
    "NO2": 0.25,
    "NH4": 0.83,
    "NO3": 14.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.051, 59.409] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "0033",
    "depth": 100.0,
    "PO4": 1.23,
    "SiOH4": 18.02,
    "NO3_NO2": 15.98,
    "NO2": 0.14,
    "NH4": 0.85,
    "NO3": 15.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.051, 59.409] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "0033",
    "depth": 150.0,
    "PO4": 1.2,
    "SiOH4": 18.67,
    "NO3_NO2": 16.5,
    "NO2": 0.11,
    "NH4": 0.67,
    "NO3": 16.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.051, 59.409] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "0033",
    "depth": 198.0,
    "PO4": 1.25,
    "SiOH4": 19.74,
    "NO3_NO2": 16.95,
    "NO2": 0.11,
    "NH4": 0.46,
    "NO3": 16.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1208, 59.4825] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "0137",
    "depth": 0.0,
    "PO4": 0.74,
    "SiOH4": 16.38,
    "NO3_NO2": 14.8,
    "NO2": 0.25,
    "NH4": 0.55,
    "NO3": 14.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1208, 59.4825] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "0137",
    "depth": 10.0,
    "PO4": 1.0,
    "SiOH4": 16.74,
    "NO3_NO2": 14.82,
    "NO2": 0.21,
    "NH4": 0.59,
    "NO3": 14.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1208, 59.4825] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "0137",
    "depth": 20.0,
    "PO4": 1.09,
    "SiOH4": 13.81,
    "NO3_NO2": 15.24,
    "NO2": 0.36,
    "NH4": 0.65,
    "NO3": 14.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1208, 59.4825] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "0137",
    "depth": 30.0,
    "PO4": 1.19,
    "SiOH4": 14.17,
    "NO3_NO2": 15.2,
    "NO2": 0.34,
    "NH4": 0.64,
    "NO3": 14.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1208, 59.4825] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "0137",
    "depth": 40.0,
    "PO4": 1.17,
    "SiOH4": 15.0,
    "NO3_NO2": 15.57,
    "NO2": 0.28,
    "NH4": 0.51,
    "NO3": 15.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1208, 59.4825] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "0137",
    "depth": 50.0,
    "PO4": 1.17,
    "SiOH4": 15.68,
    "NO3_NO2": 15.64,
    "NO2": 0.21,
    "NH4": 0.54,
    "NO3": 15.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1208, 59.4825] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "0137",
    "depth": 100.0,
    "PO4": 1.15,
    "SiOH4": 16.19,
    "NO3_NO2": 15.78,
    "NO2": 0.2,
    "NH4": 0.66,
    "NO3": 15.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1208, 59.4825] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "0137",
    "depth": 150.0,
    "PO4": 1.14,
    "SiOH4": 17.81,
    "NO3_NO2": 16.32,
    "NO2": 0.13,
    "NH4": 0.61,
    "NO3": 16.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1208, 59.4825] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "0137",
    "depth": 194.0,
    "PO4": 1.26,
    "SiOH4": 21.94,
    "NO3_NO2": 17.39,
    "NO2": 0.12,
    "NH4": 0.54,
    "NO3": 17.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8675, 59.9093] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 24,
    "stn_id": "CF1",
    "water_depth": 82,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1542",
    "depth": 0.0,
    "PO4": 0.47,
    "SiOH4": 8.03,
    "NO3_NO2": 3.84,
    "NO2": 0.15,
    "NH4": 0.25,
    "NO3": 3.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8675, 59.9093] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 24,
    "stn_id": "CF1",
    "water_depth": 82,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1542",
    "depth": 10.0,
    "PO4": 0.74,
    "SiOH4": 7.4,
    "NO3_NO2": 4.3,
    "NO2": 0.17,
    "NH4": 0.0,
    "NO3": 4.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8675, 59.9093] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 24,
    "stn_id": "CF1",
    "water_depth": 82,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1542",
    "depth": 20.0,
    "PO4": 0.85,
    "SiOH4": 8.46,
    "NO3_NO2": 4.87,
    "NO2": 0.16,
    "NH4": 0.01,
    "NO3": 4.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8675, 59.9093] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 24,
    "stn_id": "CF1",
    "water_depth": 82,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1542",
    "depth": 30.0,
    "PO4": 0.87,
    "SiOH4": 8.6,
    "NO3_NO2": 4.92,
    "NO2": 0.39,
    "NH4": 0.29,
    "NO3": 4.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8675, 59.9093] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 24,
    "stn_id": "CF1",
    "water_depth": 82,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1542",
    "depth": 40.0,
    "PO4": 0.9,
    "SiOH4": 8.58,
    "NO3_NO2": 6.07,
    "NO2": 0.58,
    "NH4": 0.48,
    "NO3": 5.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8675, 59.9093] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 24,
    "stn_id": "CF1",
    "water_depth": 82,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1542",
    "depth": 50.0,
    "PO4": 0.9,
    "SiOH4": 9.49,
    "NO3_NO2": 7.09,
    "NO2": 0.65,
    "NH4": 0.79,
    "NO3": 6.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8675, 59.9093] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 24,
    "stn_id": "CF1",
    "water_depth": 82,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1542",
    "depth": 79.0,
    "PO4": 1.02,
    "SiOH4": 9.63,
    "NO3_NO2": 7.44,
    "NO2": 0.2,
    "NH4": 0.75,
    "NO3": 7.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.8499] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1626",
    "depth": 0.0,
    "PO4": 0.74,
    "SiOH4": 14.88,
    "NO3_NO2": 14.66,
    "NO2": 0.24,
    "NH4": 0.55,
    "NO3": 14.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.8499] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1626",
    "depth": 10.0,
    "PO4": 1.24,
    "SiOH4": 15.02,
    "NO3_NO2": 14.77,
    "NO2": 0.24,
    "NH4": 0.39,
    "NO3": 14.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.8499] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1626",
    "depth": 20.0,
    "PO4": 1.32,
    "SiOH4": 15.0,
    "NO3_NO2": 14.83,
    "NO2": 0.21,
    "NH4": 0.39,
    "NO3": 14.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.8499] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1626",
    "depth": 30.0,
    "PO4": 1.34,
    "SiOH4": 14.83,
    "NO3_NO2": 14.88,
    "NO2": 0.21,
    "NH4": 0.45,
    "NO3": 14.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.8499] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1626",
    "depth": 40.0,
    "PO4": 1.32,
    "SiOH4": 14.34,
    "NO3_NO2": 14.94,
    "NO2": 0.25,
    "NH4": 0.41,
    "NO3": 14.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.8499] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1626",
    "depth": 50.0,
    "PO4": 1.27,
    "SiOH4": 18.66,
    "NO3_NO2": 14.87,
    "NO2": 0.25,
    "NH4": 0.46,
    "NO3": 14.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.8499] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1626",
    "depth": 75.0,
    "PO4": 1.35,
    "SiOH4": 18.49,
    "NO3_NO2": 14.99,
    "NO2": 0.24,
    "NH4": 0.36,
    "NO3": 14.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.8499] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1626",
    "depth": 100.0,
    "PO4": 1.33,
    "SiOH4": 18.94,
    "NO3_NO2": 15.04,
    "NO2": 0.24,
    "NH4": 0.3,
    "NO3": 14.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.8499] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1626",
    "depth": 125.0,
    "PO4": 1.46,
    "SiOH4": 19.07,
    "NO3_NO2": 15.27,
    "NO2": 0.21,
    "NH4": 0.38,
    "NO3": 15.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.8499] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1626",
    "depth": 160.0,
    "PO4": 1.37,
    "SiOH4": 19.99,
    "NO3_NO2": 15.32,
    "NO2": 0.21,
    "NH4": 0.38,
    "NO3": 15.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8659, 59.7834] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1717",
    "depth": 0.0,
    "PO4": 0.99,
    "SiOH4": 19.17,
    "NO3_NO2": 15.03,
    "NO2": 0.27,
    "NH4": 0.01,
    "NO3": 14.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8659, 59.7834] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1717",
    "depth": 10.0,
    "PO4": 1.3,
    "SiOH4": 19.19,
    "NO3_NO2": 15.02,
    "NO2": 0.17,
    "NH4": 0.01,
    "NO3": 14.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8659, 59.7834] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1717",
    "depth": 20.0,
    "PO4": 1.4,
    "SiOH4": 19.35,
    "NO3_NO2": 14.96,
    "NO2": 0.06,
    "NH4": 0.4,
    "NO3": 14.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8659, 59.7834] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1717",
    "depth": 30.0,
    "PO4": 1.4,
    "SiOH4": 19.24,
    "NO3_NO2": 14.95,
    "NO2": 0.48,
    "NH4": 0.17,
    "NO3": 14.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8659, 59.7834] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1717",
    "depth": 40.0,
    "PO4": 1.39,
    "SiOH4": 19.27,
    "NO3_NO2": 15.0,
    "NO2": 0.38,
    "NH4": 0.51,
    "NO3": 14.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8659, 59.7834] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1717",
    "depth": 50.0,
    "PO4": 1.44,
    "SiOH4": 19.43,
    "NO3_NO2": 15.11,
    "NO2": 0.27,
    "NH4": 0.44,
    "NO3": 14.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8659, 59.7834] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1717",
    "depth": 75.0,
    "PO4": 1.42,
    "SiOH4": 20.01,
    "NO3_NO2": 15.68,
    "NO2": 0.19,
    "NH4": 0.31,
    "NO3": 15.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8659, 59.7834] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1717",
    "depth": 100.0,
    "PO4": 1.41,
    "SiOH4": 19.76,
    "NO3_NO2": 15.68,
    "NO2": 0.06,
    "NH4": 0.18,
    "NO3": 15.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8659, 59.7834] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1717",
    "depth": 125.0,
    "PO4": 1.51,
    "SiOH4": 19.81,
    "NO3_NO2": 15.72,
    "NO2": 0.28,
    "NH4": 0.37,
    "NO3": 15.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8659, 59.7834] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1717",
    "depth": 190.0,
    "PO4": 2.1,
    "SiOH4": 22.56,
    "NO3_NO2": 16.82,
    "NO2": 0.46,
    "NH4": 1.32,
    "NO3": 16.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.7162] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "CF7",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1809",
    "depth": 0.0,
    "PO4": 0.8,
    "SiOH4": 19.68,
    "NO3_NO2": 15.25,
    "NO2": 0.46,
    "NH4": 0.04,
    "NO3": 14.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.7162] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "CF7",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1809",
    "depth": 10.0,
    "PO4": 1.25,
    "SiOH4": 19.53,
    "NO3_NO2": 15.18,
    "NO2": 0.45,
    "NH4": 0.0,
    "NO3": 14.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.7162] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "CF7",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1809",
    "depth": 20.0,
    "PO4": 1.31,
    "SiOH4": 19.38,
    "NO3_NO2": 15.23,
    "NO2": 0.46,
    "NH4": 0.02,
    "NO3": 14.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.7162] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "CF7",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1809",
    "depth": 30.0,
    "PO4": 1.34,
    "SiOH4": 18.95,
    "NO3_NO2": 15.22,
    "NO2": 0.37,
    "NH4": 0.13,
    "NO3": 14.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.7162] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "CF7",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1809",
    "depth": 40.0,
    "PO4": 1.44,
    "SiOH4": 18.52,
    "NO3_NO2": 15.27,
    "NO2": 0.33,
    "NH4": 0.07,
    "NO3": 14.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.7162] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "CF7",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1809",
    "depth": 50.0,
    "PO4": 1.43,
    "SiOH4": 18.37,
    "NO3_NO2": 15.6,
    "NO2": 0.29,
    "NH4": 0.01,
    "NO3": 15.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.7162] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "CF7",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1809",
    "depth": 75.0,
    "PO4": 1.38,
    "SiOH4": 17.53,
    "NO3_NO2": 15.59,
    "NO2": 0.36,
    "NH4": 0.24,
    "NO3": 15.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.7162] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "CF7",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1809",
    "depth": 100.0,
    "PO4": 1.41,
    "SiOH4": 17.51,
    "NO3_NO2": 15.75,
    "NO2": 0.29,
    "NH4": 0.21,
    "NO3": 15.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.7162] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "CF7",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1809",
    "depth": 125.0,
    "PO4": 1.45,
    "SiOH4": 17.92,
    "NO3_NO2": 16.31,
    "NO2": 0.18,
    "NH4": 0.32,
    "NO3": 16.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.7162] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "CF7",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1809",
    "depth": 179.0,
    "PO4": 1.46,
    "SiOH4": 19.29,
    "NO3_NO2": 17.22,
    "NO2": 0.14,
    "NH4": 0.28,
    "NO3": 17.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8672, 59.6511] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 32,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1902",
    "depth": 0.0,
    "PO4": 0.53,
    "SiOH4": 18.33,
    "NO3_NO2": 13.91,
    "NO2": 0.16,
    "NH4": 0.35,
    "NO3": 13.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8672, 59.6511] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 32,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1902",
    "depth": 10.0,
    "PO4": 1.06,
    "SiOH4": 18.22,
    "NO3_NO2": 13.95,
    "NO2": 0.16,
    "NH4": 0.28,
    "NO3": 13.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8672, 59.6511] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 32,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1902",
    "depth": 20.0,
    "PO4": 1.18,
    "SiOH4": 20.46,
    "NO3_NO2": 13.92,
    "NO2": 0.14,
    "NH4": 0.29,
    "NO3": 13.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8672, 59.6511] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 32,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1902",
    "depth": 30.0,
    "PO4": 1.19,
    "SiOH4": 20.63,
    "NO3_NO2": 13.95,
    "NO2": 0.14,
    "NH4": 0.7,
    "NO3": 13.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8672, 59.6511] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 32,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1902",
    "depth": 40.0,
    "PO4": 1.25,
    "SiOH4": 20.93,
    "NO3_NO2": 14.21,
    "NO2": 0.15,
    "NH4": 0.0,
    "NO3": 14.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8672, 59.6511] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 32,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1902",
    "depth": 50.0,
    "PO4": 1.27,
    "SiOH4": 21.23,
    "NO3_NO2": 15.05,
    "NO2": 0.2,
    "NH4": 0.0,
    "NO3": 14.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8672, 59.6511] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 32,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1902",
    "depth": 75.0,
    "PO4": 1.31,
    "SiOH4": 21.26,
    "NO3_NO2": 15.36,
    "NO2": 0.16,
    "NH4": 0.01,
    "NO3": 15.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8672, 59.6511] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 32,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1902",
    "depth": 100.0,
    "PO4": 1.31,
    "SiOH4": 21.84,
    "NO3_NO2": 15.45,
    "NO2": 0.14,
    "NH4": 0.01,
    "NO3": 15.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8672, 59.6511] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 32,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1902",
    "depth": 125.0,
    "PO4": 1.32,
    "SiOH4": 22.28,
    "NO3_NO2": 16.17,
    "NO2": 0.09,
    "NH4": 0.01,
    "NO3": 16.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8672, 59.6511] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 32,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "1902",
    "depth": 177.0,
    "PO4": 1.44,
    "SiOH4": 26.88,
    "NO3_NO2": 18.33,
    "NO2": 0.17,
    "NH4": 0.05,
    "NO3": 18.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.5854] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "CF11",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "2102",
    "depth": 0.0,
    "PO4": 0.25,
    "SiOH4": 18.38,
    "NO3_NO2": 12.4,
    "NO2": 0.35,
    "NH4": 0.43,
    "NO3": 12.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.5854] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "CF11",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "2102",
    "depth": 10.0,
    "PO4": 0.89,
    "SiOH4": 19.85,
    "NO3_NO2": 12.58,
    "NO2": 0.36,
    "NH4": 0.36,
    "NO3": 12.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.5854] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "CF11",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "2102",
    "depth": 20.0,
    "PO4": 1.16,
    "SiOH4": 20.62,
    "NO3_NO2": 12.94,
    "NO2": 0.36,
    "NH4": 0.55,
    "NO3": 12.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.5854] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "CF11",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "2102",
    "depth": 30.0,
    "PO4": 1.14,
    "SiOH4": 21.52,
    "NO3_NO2": 13.18,
    "NO2": 0.4,
    "NH4": 0.38,
    "NO3": 12.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.5854] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "CF11",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "2102",
    "depth": 40.0,
    "PO4": 1.19,
    "SiOH4": 20.63,
    "NO3_NO2": 13.3,
    "NO2": 0.34,
    "NH4": 0.02,
    "NO3": 12.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.5854] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "CF11",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "2102",
    "depth": 50.0,
    "PO4": 1.24,
    "SiOH4": 22.23,
    "NO3_NO2": 13.6,
    "NO2": 0.34,
    "NH4": 0.05,
    "NO3": 13.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.5854] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "CF11",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "2102",
    "depth": 75.0,
    "PO4": 1.2,
    "SiOH4": 21.2,
    "NO3_NO2": 14.59,
    "NO2": 0.33,
    "NH4": 0.24,
    "NO3": 14.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.5854] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "CF11",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "2102",
    "depth": 100.0,
    "PO4": 1.29,
    "SiOH4": 18.91,
    "NO3_NO2": 15.11,
    "NO2": 0.25,
    "NH4": 0.2,
    "NO3": 14.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.5854] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "CF11",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "2102",
    "depth": 125.0,
    "PO4": 1.34,
    "SiOH4": 18.43,
    "NO3_NO2": 15.3,
    "NO2": 0.24,
    "NH4": 0.38,
    "NO3": 15.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.5854] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "CF11",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "2102",
    "depth": 172.0,
    "PO4": 1.38,
    "SiOH4": 19.48,
    "NO3_NO2": 16.0,
    "NO2": 0.18,
    "NH4": 0.36,
    "NO3": 15.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8639, 59.5171] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "2158",
    "depth": 0.0,
    "PO4": 0.3,
    "SiOH4": 16.28,
    "NO3_NO2": 13.88,
    "NO2": 0.09,
    "NH4": 0.35,
    "NO3": 13.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8639, 59.5171] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "2158",
    "depth": 10.0,
    "PO4": 0.96,
    "SiOH4": 16.47,
    "NO3_NO2": 13.83,
    "NO2": 0.08,
    "NH4": 0.35,
    "NO3": 13.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8639, 59.5171] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "2158",
    "depth": 20.0,
    "PO4": 1.1,
    "SiOH4": 16.1,
    "NO3_NO2": 13.88,
    "NO2": 0.14,
    "NH4": 0.17,
    "NO3": 13.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8639, 59.5171] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "2158",
    "depth": 30.0,
    "PO4": 1.18,
    "SiOH4": 16.15,
    "NO3_NO2": 13.94,
    "NO2": 0.13,
    "NH4": 0.32,
    "NO3": 13.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8639, 59.5171] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "2158",
    "depth": 40.0,
    "PO4": 1.17,
    "SiOH4": 16.2,
    "NO3_NO2": 14.23,
    "NO2": 0.17,
    "NH4": 0.25,
    "NO3": 14.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8639, 59.5171] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "2158",
    "depth": 50.0,
    "PO4": 1.13,
    "SiOH4": 16.39,
    "NO3_NO2": 14.29,
    "NO2": 0.18,
    "NH4": 0.49,
    "NO3": 14.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8639, 59.5171] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "2158",
    "depth": 75.0,
    "PO4": 1.23,
    "SiOH4": 16.16,
    "NO3_NO2": 14.92,
    "NO2": 0.17,
    "NH4": 0.42,
    "NO3": 14.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8639, 59.5171] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "2158",
    "depth": 100.0,
    "PO4": 1.26,
    "SiOH4": 17.05,
    "NO3_NO2": 15.6,
    "NO2": 0.16,
    "NH4": 0.15,
    "NO3": 15.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8639, 59.5171] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "2158",
    "depth": 125.0,
    "PO4": 1.27,
    "SiOH4": 18.48,
    "NO3_NO2": 16.47,
    "NO2": 0.1,
    "NH4": 0.22,
    "NO3": 16.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8639, 59.5171] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "2158",
    "depth": 170.0,
    "PO4": 1.31,
    "SiOH4": 19.51,
    "NO3_NO2": 16.81,
    "NO2": 0.16,
    "NH4": 0.25,
    "NO3": 16.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8633, 59.4503] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "CF15",
    "water_depth": 184,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "2251",
    "depth": 0.0,
    "PO4": 0.6,
    "SiOH4": 15.07,
    "NO3_NO2": 13.83,
    "NO2": 0.24,
    "NH4": 0.13,
    "NO3": 13.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8633, 59.4503] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "CF15",
    "water_depth": 184,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "2251",
    "depth": 10.0,
    "PO4": 0.95,
    "SiOH4": 15.02,
    "NO3_NO2": 13.88,
    "NO2": 0.33,
    "NH4": 0.16,
    "NO3": 13.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8633, 59.4503] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "CF15",
    "water_depth": 184,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "2251",
    "depth": 20.0,
    "PO4": 1.14,
    "SiOH4": 14.55,
    "NO3_NO2": 14.0,
    "NO2": 0.34,
    "NH4": 0.06,
    "NO3": 13.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8633, 59.4503] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "CF15",
    "water_depth": 184,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "2251",
    "depth": 30.0,
    "PO4": 1.22,
    "SiOH4": 14.08,
    "NO3_NO2": 14.46,
    "NO2": 0.33,
    "NH4": 0.07,
    "NO3": 14.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8633, 59.4503] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "CF15",
    "water_depth": 184,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "2251",
    "depth": 40.0,
    "PO4": 1.25,
    "SiOH4": 13.9,
    "NO3_NO2": 14.69,
    "NO2": 0.32,
    "NH4": 0.02,
    "NO3": 14.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8633, 59.4503] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "CF15",
    "water_depth": 184,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "2251",
    "depth": 50.0,
    "PO4": 1.25,
    "SiOH4": 13.29,
    "NO3_NO2": 15.03,
    "NO2": 0.28,
    "NH4": 0.06,
    "NO3": 14.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8633, 59.4503] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "CF15",
    "water_depth": 184,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "2251",
    "depth": 75.0,
    "PO4": 1.25,
    "SiOH4": 16.85,
    "NO3_NO2": 15.6,
    "NO2": 0.2,
    "NH4": 0.01,
    "NO3": 15.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8633, 59.4503] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "CF15",
    "water_depth": 184,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "2251",
    "depth": 100.0,
    "PO4": 1.27,
    "SiOH4": 17.07,
    "NO3_NO2": 15.6,
    "NO2": 0.19,
    "NH4": 0.14,
    "NO3": 15.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8633, 59.4503] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "CF15",
    "water_depth": 184,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "2251",
    "depth": 125.0,
    "PO4": 1.32,
    "SiOH4": 17.16,
    "NO3_NO2": 16.06,
    "NO2": 0.1,
    "NH4": 0.25,
    "NO3": 15.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8633, 59.4503] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "CF15",
    "water_depth": 184,
    "month_gmt": "4",
    "day_gmt": "15",
    "time_gmt": "2251",
    "depth": 179.0,
    "PO4": 1.41,
    "SiOH4": 19.19,
    "NO3_NO2": 17.15,
    "NO2": 0.09,
    "NH4": 0.13,
    "NO3": 17.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1898, 59.5532] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "GAK3",
    "water_depth": 216,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0018",
    "depth": 0.0,
    "PO4": 0.69,
    "SiOH4": 18.97,
    "NO3_NO2": 15.03,
    "NO2": 0.01,
    "NH4": 0.35,
    "NO3": 15.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1898, 59.5532] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "GAK3",
    "water_depth": 216,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0018",
    "depth": 10.0,
    "PO4": 1.05,
    "SiOH4": 20.06,
    "NO3_NO2": 15.02,
    "NO2": 0.01,
    "NH4": 0.57,
    "NO3": 15.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1898, 59.5532] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "GAK3",
    "water_depth": 216,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0018",
    "depth": 20.0,
    "PO4": 1.15,
    "SiOH4": 21.0,
    "NO3_NO2": 15.07,
    "NO2": 0.02,
    "NH4": 0.47,
    "NO3": 15.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1898, 59.5532] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "GAK3",
    "water_depth": 216,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0018",
    "depth": 30.0,
    "PO4": 1.19,
    "SiOH4": 21.8,
    "NO3_NO2": 15.07,
    "NO2": 0.02,
    "NH4": 0.48,
    "NO3": 15.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1898, 59.5532] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "GAK3",
    "water_depth": 216,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0018",
    "depth": 40.0,
    "PO4": 1.18,
    "SiOH4": 22.33,
    "NO3_NO2": 15.23,
    "NO2": 0.03,
    "NH4": 0.31,
    "NO3": 15.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1898, 59.5532] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "GAK3",
    "water_depth": 216,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0018",
    "depth": 50.0,
    "PO4": 1.12,
    "SiOH4": 23.0,
    "NO3_NO2": 15.17,
    "NO2": 0.03,
    "NH4": 0.21,
    "NO3": 15.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1898, 59.5532] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "GAK3",
    "water_depth": 216,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0018",
    "depth": 100.0,
    "PO4": 1.11,
    "SiOH4": 24.49,
    "NO3_NO2": 16.02,
    "NO2": 0.01,
    "NH4": 0.22,
    "NO3": 16.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1898, 59.5532] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "GAK3",
    "water_depth": 216,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0018",
    "depth": 150.0,
    "PO4": 1.21,
    "SiOH4": 25.44,
    "NO3_NO2": 16.13,
    "NO2": 0.02,
    "NH4": 0.15,
    "NO3": 16.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1898, 59.5532] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "GAK3",
    "water_depth": 216,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0018",
    "depth": 213.0,
    "PO4": 1.16,
    "SiOH4": 30.54,
    "NO3_NO2": 17.33,
    "NO2": 0.07,
    "NH4": 0.13,
    "NO3": 17.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2567, 59.6273] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0122",
    "depth": 0.0,
    "PO4": 0.75,
    "SiOH4": 18.95,
    "NO3_NO2": 14.23,
    "NO2": 0.38,
    "NH4": 0.5,
    "NO3": 13.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2567, 59.6273] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0122",
    "depth": 10.0,
    "PO4": 1.01,
    "SiOH4": 19.17,
    "NO3_NO2": 14.23,
    "NO2": 0.37,
    "NH4": 0.42,
    "NO3": 13.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2567, 59.6273] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0122",
    "depth": 20.0,
    "PO4": 1.16,
    "SiOH4": 20.22,
    "NO3_NO2": 14.46,
    "NO2": 0.35,
    "NH4": 0.48,
    "NO3": 14.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2567, 59.6273] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0122",
    "depth": 30.0,
    "PO4": 1.23,
    "SiOH4": 20.17,
    "NO3_NO2": 14.51,
    "NO2": 0.31,
    "NH4": 0.38,
    "NO3": 14.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2567, 59.6273] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0122",
    "depth": 40.0,
    "PO4": 1.2,
    "SiOH4": 20.11,
    "NO3_NO2": 14.57,
    "NO2": 0.31,
    "NH4": 0.28,
    "NO3": 14.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2567, 59.6273] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0122",
    "depth": 50.0,
    "PO4": 1.2,
    "SiOH4": 19.64,
    "NO3_NO2": 14.51,
    "NO2": 0.25,
    "NH4": 0.29,
    "NO3": 14.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2567, 59.6273] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0122",
    "depth": 100.0,
    "PO4": 1.23,
    "SiOH4": 19.72,
    "NO3_NO2": 15.38,
    "NO2": 0.23,
    "NH4": 0.34,
    "NO3": 15.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2567, 59.6273] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0122",
    "depth": 150.0,
    "PO4": 1.22,
    "SiOH4": 21.89,
    "NO3_NO2": 16.18,
    "NO2": 0.14,
    "NH4": 0.22,
    "NO3": 16.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2567, 59.6273] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0122",
    "depth": 213.0,
    "PO4": 1.36,
    "SiOH4": 24.19,
    "NO3_NO2": 17.21,
    "NO2": 0.17,
    "NH4": 0.49,
    "NO3": 17.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3253, 59.692] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "GAK2",
    "water_depth": 226,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0204",
    "depth": 0.0,
    "PO4": 0.71,
    "SiOH4": 16.2,
    "NO3_NO2": 10.56,
    "NO2": 0.23,
    "NH4": 0.55,
    "NO3": 10.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3253, 59.692] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "GAK2",
    "water_depth": 226,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0204",
    "depth": 20.0,
    "PO4": 0.94,
    "SiOH4": 18.11,
    "NO3_NO2": 14.29,
    "NO2": 0.28,
    "NH4": 0.39,
    "NO3": 14.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3253, 59.692] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "GAK2",
    "water_depth": 226,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0204",
    "depth": 30.0,
    "PO4": 1.1,
    "SiOH4": 18.77,
    "NO3_NO2": 14.92,
    "NO2": 0.31,
    "NH4": 0.18,
    "NO3": 14.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3253, 59.692] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "GAK2",
    "water_depth": 226,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0204",
    "depth": 40.0,
    "PO4": 1.15,
    "SiOH4": 19.16,
    "NO3_NO2": 14.97,
    "NO2": 0.21,
    "NH4": 0.14,
    "NO3": 14.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3253, 59.692] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "GAK2",
    "water_depth": 226,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0204",
    "depth": 50.0,
    "PO4": 1.17,
    "SiOH4": 18.99,
    "NO3_NO2": 15.09,
    "NO2": 0.19,
    "NH4": 0.35,
    "NO3": 14.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3253, 59.692] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "GAK2",
    "water_depth": 226,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0204",
    "depth": 100.0,
    "PO4": 1.14,
    "SiOH4": 19.93,
    "NO3_NO2": 15.83,
    "NO2": 0.14,
    "NH4": 0.29,
    "NO3": 15.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3253, 59.692] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "GAK2",
    "water_depth": 226,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0204",
    "depth": 150.0,
    "PO4": 1.24,
    "SiOH4": 19.9,
    "NO3_NO2": 15.55,
    "NO2": 0.15,
    "NH4": 0.3,
    "NO3": 15.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3253, 59.692] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "GAK2",
    "water_depth": 226,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0204",
    "depth": 221.0,
    "PO4": 1.13,
    "SiOH4": 22.08,
    "NO3_NO2": 16.81,
    "NO2": 0.07,
    "NH4": 0.43,
    "NO3": 16.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3971, 59.7671] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0304",
    "depth": 0.0,
    "PO4": 0.68,
    "SiOH4": 13.52,
    "NO3_NO2": 3.95,
    "NO2": 0.23,
    "NH4": 0.66,
    "NO3": 3.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3971, 59.7671] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0304",
    "depth": 10.0,
    "PO4": 0.68,
    "SiOH4": 13.44,
    "NO3_NO2": 5.9,
    "NO2": 0.24,
    "NH4": 0.81,
    "NO3": 5.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3971, 59.7671] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0304",
    "depth": 20.0,
    "PO4": 0.77,
    "SiOH4": 14.06,
    "NO3_NO2": 6.93,
    "NO2": 0.16,
    "NH4": 0.83,
    "NO3": 6.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3971, 59.7671] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0304",
    "depth": 30.0,
    "PO4": 0.81,
    "SiOH4": 14.95,
    "NO3_NO2": 6.92,
    "NO2": 0.17,
    "NH4": 0.68,
    "NO3": 6.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3971, 59.7671] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0304",
    "depth": 40.0,
    "PO4": 0.82,
    "SiOH4": 18.48,
    "NO3_NO2": 8.06,
    "NO2": 0.27,
    "NH4": 0.8,
    "NO3": 7.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3971, 59.7671] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0304",
    "depth": 50.0,
    "PO4": 0.89,
    "SiOH4": 19.66,
    "NO3_NO2": 11.04,
    "NO2": 0.28,
    "NH4": 0.65,
    "NO3": 10.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3971, 59.7671] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0304",
    "depth": 100.0,
    "PO4": 0.86,
    "SiOH4": 21.94,
    "NO3_NO2": 14.42,
    "NO2": 0.26,
    "NH4": 0.45,
    "NO3": 14.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3971, 59.7671] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0304",
    "depth": 150.0,
    "PO4": 1.01,
    "SiOH4": 22.56,
    "NO3_NO2": 15.33,
    "NO2": 0.24,
    "NH4": 0.48,
    "NO3": 15.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3971, 59.7671] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0304",
    "depth": 200.0,
    "PO4": 1.01,
    "SiOH4": 22.62,
    "NO3_NO2": 15.73,
    "NO2": 0.17,
    "NH4": 0.65,
    "NO3": 15.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3971, 59.7671] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "0304",
    "depth": 252.0,
    "PO4": 1.19,
    "SiOH4": 25.18,
    "NO3_NO2": 17.04,
    "NO2": 0.15,
    "NH4": 0.62,
    "NO3": 16.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.4091] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "RI10",
    "water_depth": 165,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1619",
    "depth": 0.0,
    "PO4": 0.49,
    "SiOH4": 22.14,
    "NO3_NO2": 13.35,
    "NO2": 0.18,
    "NH4": 0.22,
    "NO3": 13.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.4091] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "RI10",
    "water_depth": 165,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1619",
    "depth": 10.0,
    "PO4": 1.15,
    "SiOH4": 22.12,
    "NO3_NO2": 13.4,
    "NO2": 0.01,
    "NH4": 0.16,
    "NO3": 13.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.4091] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "RI10",
    "water_depth": 165,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1619",
    "depth": 20.0,
    "PO4": 1.2,
    "SiOH4": 22.11,
    "NO3_NO2": 13.51,
    "NO2": 0.02,
    "NH4": 0.01,
    "NO3": 13.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.4091] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "RI10",
    "water_depth": 165,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1619",
    "depth": 30.0,
    "PO4": 1.24,
    "SiOH4": 22.24,
    "NO3_NO2": 13.73,
    "NO2": 0.07,
    "NH4": 0.01,
    "NO3": 13.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.4091] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "RI10",
    "water_depth": 165,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1619",
    "depth": 40.0,
    "PO4": 1.22,
    "SiOH4": 22.82,
    "NO3_NO2": 14.43,
    "NO2": 0.09,
    "NH4": 0.01,
    "NO3": 14.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.4091] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "RI10",
    "water_depth": 165,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1619",
    "depth": 50.0,
    "PO4": 1.25,
    "SiOH4": 22.8,
    "NO3_NO2": 15.17,
    "NO2": 0.06,
    "NH4": 0.01,
    "NO3": 15.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.4091] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "RI10",
    "water_depth": 165,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1619",
    "depth": 75.0,
    "PO4": 1.37,
    "SiOH4": 23.68,
    "NO3_NO2": 15.57,
    "NO2": 0.06,
    "NH4": 0.02,
    "NO3": 15.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.4091] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "RI10",
    "water_depth": 165,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1619",
    "depth": 100.0,
    "PO4": 1.38,
    "SiOH4": 24.11,
    "NO3_NO2": 15.92,
    "NO2": 0.03,
    "NH4": 0.01,
    "NO3": 15.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.4091] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "RI10",
    "water_depth": 165,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1619",
    "depth": 164.0,
    "PO4": 1.46,
    "SiOH4": 28.11,
    "NO3_NO2": 17.42,
    "NO2": 0.06,
    "NH4": 0.38,
    "NO3": 17.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0484, 59.4073] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1706",
    "depth": 0.0,
    "PO4": 0.45,
    "SiOH4": 21.78,
    "NO3_NO2": 15.09,
    "NO2": 0.23,
    "NH4": 0.38,
    "NO3": 14.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0484, 59.4073] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1706",
    "depth": 10.0,
    "PO4": 1.09,
    "SiOH4": 21.78,
    "NO3_NO2": 15.08,
    "NO2": 0.22,
    "NH4": 0.21,
    "NO3": 14.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0484, 59.4073] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1706",
    "depth": 20.0,
    "PO4": 1.2,
    "SiOH4": 21.78,
    "NO3_NO2": 15.14,
    "NO2": 0.21,
    "NH4": 0.02,
    "NO3": 14.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0484, 59.4073] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1706",
    "depth": 30.0,
    "PO4": 1.29,
    "SiOH4": 21.78,
    "NO3_NO2": 15.19,
    "NO2": 0.23,
    "NH4": 0.0,
    "NO3": 14.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0484, 59.4073] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1706",
    "depth": 40.0,
    "PO4": 1.28,
    "SiOH4": 21.91,
    "NO3_NO2": 15.65,
    "NO2": 0.22,
    "NH4": 0.01,
    "NO3": 15.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0484, 59.4073] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1706",
    "depth": 50.0,
    "PO4": 1.28,
    "SiOH4": 22.05,
    "NO3_NO2": 15.82,
    "NO2": 0.21,
    "NH4": 0.42,
    "NO3": 15.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0484, 59.4073] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1706",
    "depth": 75.0,
    "PO4": 1.26,
    "SiOH4": 22.61,
    "NO3_NO2": 15.75,
    "NO2": 0.15,
    "NH4": 0.4,
    "NO3": 15.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0484, 59.4073] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1706",
    "depth": 100.0,
    "PO4": 1.29,
    "SiOH4": 22.75,
    "NO3_NO2": 15.98,
    "NO2": 0.14,
    "NH4": 0.49,
    "NO3": 15.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0484, 59.4073] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1706",
    "depth": 150.0,
    "PO4": 1.32,
    "SiOH4": 23.58,
    "NO3_NO2": 16.55,
    "NO2": 0.07,
    "NH4": 0.5,
    "NO3": 16.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0484, 59.4073] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1706",
    "depth": 197.0,
    "PO4": 1.34,
    "SiOH4": 25.52,
    "NO3_NO2": 17.3,
    "NO2": 0.09,
    "NH4": 0.33,
    "NO3": 17.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2115, 59.4081] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 46,
    "stn_id": "RI8",
    "water_depth": 188,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1750",
    "depth": 0.0,
    "PO4": 0.46,
    "SiOH4": 23.4,
    "NO3_NO2": 15.08,
    "NO2": 0.01,
    "NH4": 0.52,
    "NO3": 15.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2115, 59.4081] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 46,
    "stn_id": "RI8",
    "water_depth": 188,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1750",
    "depth": 10.0,
    "PO4": 0.99,
    "SiOH4": 23.5,
    "NO3_NO2": 15.07,
    "NO2": 0.01,
    "NH4": 0.21,
    "NO3": 15.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2115, 59.4081] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 46,
    "stn_id": "RI8",
    "water_depth": 188,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1750",
    "depth": 20.0,
    "PO4": 1.14,
    "SiOH4": 23.6,
    "NO3_NO2": 15.12,
    "NO2": 0.6,
    "NH4": 0.27,
    "NO3": 14.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2115, 59.4081] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 46,
    "stn_id": "RI8",
    "water_depth": 188,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1750",
    "depth": 30.0,
    "PO4": 1.25,
    "SiOH4": 24.26,
    "NO3_NO2": 15.28,
    "NO2": 0.36,
    "NH4": 0.59,
    "NO3": 14.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2115, 59.4081] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 46,
    "stn_id": "RI8",
    "water_depth": 188,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1750",
    "depth": 40.0,
    "PO4": 1.24,
    "SiOH4": 24.92,
    "NO3_NO2": 15.62,
    "NO2": 0.12,
    "NH4": 0.57,
    "NO3": 15.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2115, 59.4081] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 46,
    "stn_id": "RI8",
    "water_depth": 188,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1750",
    "depth": 50.0,
    "PO4": 1.33,
    "SiOH4": 24.74,
    "NO3_NO2": 15.78,
    "NO2": 0.01,
    "NH4": 0.57,
    "NO3": 15.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2115, 59.4081] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 46,
    "stn_id": "RI8",
    "water_depth": 188,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1750",
    "depth": 75.0,
    "PO4": 1.24,
    "SiOH4": 25.12,
    "NO3_NO2": 15.89,
    "NO2": 0.04,
    "NH4": 0.58,
    "NO3": 15.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2115, 59.4081] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 46,
    "stn_id": "RI8",
    "water_depth": 188,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1750",
    "depth": 100.0,
    "PO4": 1.25,
    "SiOH4": 25.22,
    "NO3_NO2": 15.94,
    "NO2": 0.01,
    "NH4": 0.47,
    "NO3": 15.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2115, 59.4081] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 46,
    "stn_id": "RI8",
    "water_depth": 188,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1750",
    "depth": 150.0,
    "PO4": 1.26,
    "SiOH4": 24.9,
    "NO3_NO2": 16.1,
    "NO2": 1.07,
    "NH4": 0.36,
    "NO3": 15.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2115, 59.4081] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 46,
    "stn_id": "RI8",
    "water_depth": 188,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1750",
    "depth": 183.0,
    "PO4": 1.3,
    "SiOH4": 25.42,
    "NO3_NO2": 16.15,
    "NO2": 0.75,
    "NH4": 0.25,
    "NO3": 15.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3767, 59.4076] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "RI7",
    "water_depth": 142,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1834",
    "depth": 0.0,
    "PO4": 0.48,
    "SiOH4": 23.98,
    "NO3_NO2": 15.22,
    "NO2": 0.23,
    "NH4": 0.48,
    "NO3": 14.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3767, 59.4076] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "RI7",
    "water_depth": 142,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1834",
    "depth": 10.0,
    "PO4": 0.95,
    "SiOH4": 24.24,
    "NO3_NO2": 15.35,
    "NO2": 0.28,
    "NH4": 0.34,
    "NO3": 15.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3767, 59.4076] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "RI7",
    "water_depth": 142,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1834",
    "depth": 20.0,
    "PO4": 1.16,
    "SiOH4": 24.23,
    "NO3_NO2": 15.42,
    "NO2": 0.3,
    "NH4": 0.4,
    "NO3": 15.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3767, 59.4076] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "RI7",
    "water_depth": 142,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1834",
    "depth": 30.0,
    "PO4": 1.18,
    "SiOH4": 24.36,
    "NO3_NO2": 15.43,
    "NO2": 0.31,
    "NH4": 0.43,
    "NO3": 15.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3767, 59.4076] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "RI7",
    "water_depth": 142,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1834",
    "depth": 40.0,
    "PO4": 1.26,
    "SiOH4": 24.9,
    "NO3_NO2": 14.8,
    "NO2": 0.31,
    "NH4": 0.48,
    "NO3": 14.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3767, 59.4076] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "RI7",
    "water_depth": 142,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1834",
    "depth": 50.0,
    "PO4": 1.21,
    "SiOH4": 25.16,
    "NO3_NO2": 15.1,
    "NO2": 0.3,
    "NH4": 0.46,
    "NO3": 14.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3767, 59.4076] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "RI7",
    "water_depth": 142,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1834",
    "depth": 75.0,
    "PO4": 1.26,
    "SiOH4": 25.29,
    "NO3_NO2": 15.12,
    "NO2": 0.32,
    "NH4": 0.51,
    "NO3": 14.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3767, 59.4076] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "RI7",
    "water_depth": 142,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1834",
    "depth": 100.0,
    "PO4": 1.19,
    "SiOH4": 25.13,
    "NO3_NO2": 15.59,
    "NO2": 0.34,
    "NH4": 0.37,
    "NO3": 15.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3767, 59.4076] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "RI7",
    "water_depth": 142,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1834",
    "depth": 140.0,
    "PO4": 1.44,
    "SiOH4": 25.26,
    "NO3_NO2": 15.66,
    "NO2": 0.27,
    "NH4": 0.43,
    "NO3": 15.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5417, 59.4077] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "RI6",
    "water_depth": 98,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1914",
    "depth": 0.0,
    "PO4": 0.44,
    "SiOH4": 22.68,
    "NO3_NO2": 13.86,
    "NO2": 0.08,
    "NH4": 0.19,
    "NO3": 13.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5417, 59.4077] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "RI6",
    "water_depth": 98,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1914",
    "depth": 10.0,
    "PO4": 0.74,
    "SiOH4": 22.95,
    "NO3_NO2": 13.85,
    "NO2": 0.09,
    "NH4": 0.24,
    "NO3": 13.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5417, 59.4077] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "RI6",
    "water_depth": 98,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1914",
    "depth": 20.0,
    "PO4": 1.03,
    "SiOH4": 22.84,
    "NO3_NO2": 13.89,
    "NO2": 0.09,
    "NH4": 0.29,
    "NO3": 13.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5417, 59.4077] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "RI6",
    "water_depth": 98,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1914",
    "depth": 30.0,
    "PO4": 1.16,
    "SiOH4": 22.74,
    "NO3_NO2": 13.88,
    "NO2": 0.07,
    "NH4": 0.11,
    "NO3": 13.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5417, 59.4077] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "RI6",
    "water_depth": 98,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1914",
    "depth": 40.0,
    "PO4": 1.2,
    "SiOH4": 22.64,
    "NO3_NO2": 14.1,
    "NO2": 0.04,
    "NH4": 0.44,
    "NO3": 14.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5417, 59.4077] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "RI6",
    "water_depth": 98,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1914",
    "depth": 50.0,
    "PO4": 1.14,
    "SiOH4": 22.53,
    "NO3_NO2": 15.02,
    "NO2": 0.04,
    "NH4": 0.15,
    "NO3": 14.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5417, 59.4077] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "RI6",
    "water_depth": 98,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1914",
    "depth": 75.0,
    "PO4": 1.2,
    "SiOH4": 23.3,
    "NO3_NO2": 15.76,
    "NO2": 0.02,
    "NH4": 0.17,
    "NO3": 15.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5417, 59.4077] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "RI6",
    "water_depth": 98,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1914",
    "depth": 96.0,
    "PO4": 1.33,
    "SiOH4": 23.94,
    "NO3_NO2": 16.15,
    "NO2": 0.01,
    "NH4": 0.34,
    "NO3": 16.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7095, 59.4093] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "RI5",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1952",
    "depth": 0.0,
    "PO4": 0.69,
    "SiOH4": 22.47,
    "NO3_NO2": 14.57,
    "NO2": 0.16,
    "NH4": 0.41,
    "NO3": 14.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7095, 59.4093] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "RI5",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1952",
    "depth": 10.0,
    "PO4": 0.96,
    "SiOH4": 22.37,
    "NO3_NO2": 14.56,
    "NO2": 0.14,
    "NH4": 0.38,
    "NO3": 14.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7095, 59.4093] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "RI5",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1952",
    "depth": 20.0,
    "PO4": 1.08,
    "SiOH4": 22.27,
    "NO3_NO2": 14.83,
    "NO2": 0.11,
    "NH4": 0.2,
    "NO3": 14.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7095, 59.4093] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "RI5",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1952",
    "depth": 30.0,
    "PO4": 1.1,
    "SiOH4": 22.29,
    "NO3_NO2": 15.11,
    "NO2": 0.14,
    "NH4": 0.33,
    "NO3": 14.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7095, 59.4093] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "RI5",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1952",
    "depth": 40.0,
    "PO4": 1.18,
    "SiOH4": 22.31,
    "NO3_NO2": 15.22,
    "NO2": 0.22,
    "NH4": 0.58,
    "NO3": 14.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7095, 59.4093] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "RI5",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1952",
    "depth": 50.0,
    "PO4": 1.2,
    "SiOH4": 21.96,
    "NO3_NO2": 15.32,
    "NO2": 0.39,
    "NH4": 0.71,
    "NO3": 14.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7095, 59.4093] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "RI5",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1952",
    "depth": 75.0,
    "PO4": 1.2,
    "SiOH4": 22.35,
    "NO3_NO2": 15.65,
    "NO2": 0.1,
    "NH4": 0.79,
    "NO3": 15.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7095, 59.4093] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "RI5",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1952",
    "depth": 100.0,
    "PO4": 1.16,
    "SiOH4": 22.49,
    "NO3_NO2": 15.82,
    "NO2": 0.39,
    "NH4": 0.64,
    "NO3": 15.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7095, 59.4093] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "RI5",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "1952",
    "depth": 116.0,
    "PO4": 1.16,
    "SiOH4": 22.51,
    "NO3_NO2": 16.21,
    "NO2": 0.29,
    "NH4": 0.52,
    "NO3": 15.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8711, 59.4077] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "RI4",
    "water_depth": 164,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "2032",
    "depth": 0.0,
    "PO4": 0.41,
    "SiOH4": 19.79,
    "NO3_NO2": 11.49,
    "NO2": 0.55,
    "NH4": 1.13,
    "NO3": 10.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8711, 59.4077] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "RI4",
    "water_depth": 164,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "2032",
    "depth": 10.0,
    "PO4": 0.64,
    "SiOH4": 20.02,
    "NO3_NO2": 12.13,
    "NO2": 0.04,
    "NH4": 1.1,
    "NO3": 12.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8711, 59.4077] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "RI4",
    "water_depth": 164,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "2032",
    "depth": 20.0,
    "PO4": 0.9,
    "SiOH4": 20.62,
    "NO3_NO2": 12.48,
    "NO2": 0.04,
    "NH4": 1.12,
    "NO3": 12.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8711, 59.4077] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "RI4",
    "water_depth": 164,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "2032",
    "depth": 30.0,
    "PO4": 1.01,
    "SiOH4": 20.6,
    "NO3_NO2": 13.35,
    "NO2": 0.0,
    "NH4": 1.03,
    "NO3": 13.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8711, 59.4077] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "RI4",
    "water_depth": 164,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "2032",
    "depth": 40.0,
    "PO4": 1.03,
    "SiOH4": 20.45,
    "NO3_NO2": 14.11,
    "NO2": 0.01,
    "NH4": 0.77,
    "NO3": 14.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8711, 59.4077] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "RI4",
    "water_depth": 164,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "2032",
    "depth": 50.0,
    "PO4": 1.07,
    "SiOH4": 20.19,
    "NO3_NO2": 14.51,
    "NO2": 0.0,
    "NH4": 0.65,
    "NO3": 14.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8711, 59.4077] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "RI4",
    "water_depth": 164,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "2032",
    "depth": 75.0,
    "PO4": 1.07,
    "SiOH4": 20.04,
    "NO3_NO2": 14.92,
    "NO2": 0.01,
    "NH4": 0.53,
    "NO3": 14.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8711, 59.4077] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "RI4",
    "water_depth": 164,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "2032",
    "depth": 100.0,
    "PO4": 1.08,
    "SiOH4": 20.02,
    "NO3_NO2": 15.33,
    "NO2": 0.01,
    "NH4": 0.41,
    "NO3": 15.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8711, 59.4077] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "RI4",
    "water_depth": 164,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "2032",
    "depth": 162.0,
    "PO4": 1.19,
    "SiOH4": 21.12,
    "NO3_NO2": 16.83,
    "NO2": 0.0,
    "NH4": 0.43,
    "NO3": 16.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0361, 59.4091] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "RI3",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "2113",
    "depth": 0.0,
    "PO4": 0.56,
    "SiOH4": 16.64,
    "NO3_NO2": 10.1,
    "NO2": 0.18,
    "NH4": 1.42,
    "NO3": 9.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0361, 59.4091] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "RI3",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "2113",
    "depth": 10.0,
    "PO4": 0.67,
    "SiOH4": 16.5,
    "NO3_NO2": 10.16,
    "NO2": 0.18,
    "NH4": 1.27,
    "NO3": 9.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0361, 59.4091] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "RI3",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "2113",
    "depth": 20.0,
    "PO4": 0.82,
    "SiOH4": 16.48,
    "NO3_NO2": 10.27,
    "NO2": 0.17,
    "NH4": 1.49,
    "NO3": 10.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0361, 59.4091] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "RI3",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "2113",
    "depth": 30.0,
    "PO4": 0.91,
    "SiOH4": 17.08,
    "NO3_NO2": 10.62,
    "NO2": 0.01,
    "NH4": 1.52,
    "NO3": 10.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0361, 59.4091] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "RI3",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "2113",
    "depth": 40.0,
    "PO4": 0.84,
    "SiOH4": 17.43,
    "NO3_NO2": 11.15,
    "NO2": 0.0,
    "NH4": 1.54,
    "NO3": 11.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0361, 59.4091] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "RI3",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "2113",
    "depth": 50.0,
    "PO4": 0.81,
    "SiOH4": 18.28,
    "NO3_NO2": 12.42,
    "NO2": 0.08,
    "NH4": 1.62,
    "NO3": 12.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0361, 59.4091] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "RI3",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "2113",
    "depth": 75.0,
    "PO4": 0.81,
    "SiOH4": 19.62,
    "NO3_NO2": 14.22,
    "NO2": 0.2,
    "NH4": 0.96,
    "NO3": 14.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0361, 59.4091] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "RI3",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "2113",
    "depth": 100.0,
    "PO4": 0.95,
    "SiOH4": 20.59,
    "NO3_NO2": 14.69,
    "NO2": 0.17,
    "NH4": 0.78,
    "NO3": 14.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0361, 59.4091] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "RI3",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "2113",
    "depth": 168.0,
    "PO4": 0.96,
    "SiOH4": 21.56,
    "NO3_NO2": 16.08,
    "NO2": 0.14,
    "NH4": 0.52,
    "NO3": 15.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1996, 59.4093] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "RI2",
    "water_depth": 124,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "2156",
    "depth": 0.0,
    "PO4": 0.96,
    "SiOH4": 20.22,
    "NO3_NO2": 11.47,
    "NO2": 0.24,
    "NH4": 0.57,
    "NO3": 11.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1996, 59.4093] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "RI2",
    "water_depth": 124,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "2156",
    "depth": 10.0,
    "PO4": 1.01,
    "SiOH4": 19.88,
    "NO3_NO2": 11.56,
    "NO2": 0.23,
    "NH4": 0.38,
    "NO3": 11.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1996, 59.4093] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "RI2",
    "water_depth": 124,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "2156",
    "depth": 20.0,
    "PO4": 1.0,
    "SiOH4": 20.29,
    "NO3_NO2": 11.83,
    "NO2": 0.23,
    "NH4": 0.35,
    "NO3": 11.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1996, 59.4093] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "RI2",
    "water_depth": 124,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "2156",
    "depth": 30.0,
    "PO4": 1.0,
    "SiOH4": 19.96,
    "NO3_NO2": 11.81,
    "NO2": 0.28,
    "NH4": 0.41,
    "NO3": 11.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1996, 59.4093] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "RI2",
    "water_depth": 124,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "2156",
    "depth": 40.0,
    "PO4": 1.0,
    "SiOH4": 20.12,
    "NO3_NO2": 12.83,
    "NO2": 0.31,
    "NH4": 0.55,
    "NO3": 12.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1996, 59.4093] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "RI2",
    "water_depth": 124,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "2156",
    "depth": 50.0,
    "PO4": 1.0,
    "SiOH4": 20.16,
    "NO3_NO2": 13.27,
    "NO2": 0.36,
    "NH4": 0.56,
    "NO3": 12.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1996, 59.4093] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "RI2",
    "water_depth": 124,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "2156",
    "depth": 75.0,
    "PO4": 1.0,
    "SiOH4": 20.69,
    "NO3_NO2": 14.76,
    "NO2": 0.41,
    "NH4": 0.42,
    "NO3": 14.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1996, 59.4093] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "RI2",
    "water_depth": 124,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "2156",
    "depth": 100.0,
    "PO4": 0.98,
    "SiOH4": 20.73,
    "NO3_NO2": 15.49,
    "NO2": 0.43,
    "NH4": 0.59,
    "NO3": 15.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1996, 59.4093] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "RI2",
    "water_depth": 124,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "2156",
    "depth": 122.0,
    "PO4": 1.05,
    "SiOH4": 21.88,
    "NO3_NO2": 15.81,
    "NO2": 0.19,
    "NH4": 0.82,
    "NO3": 15.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1958, 59.3262] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "PI2",
    "water_depth": 152,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "2304",
    "depth": 0.0,
    "PO4": 0.39,
    "SiOH4": 21.05,
    "NO3_NO2": 12.78,
    "NO2": 0.24,
    "NH4": 0.65,
    "NO3": 12.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1958, 59.3262] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "PI2",
    "water_depth": 152,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "2304",
    "depth": 30.0,
    "PO4": 0.61,
    "SiOH4": 21.67,
    "NO3_NO2": 14.76,
    "NO2": 0.24,
    "NH4": 0.31,
    "NO3": 14.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1958, 59.3262] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "PI2",
    "water_depth": 152,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "2304",
    "depth": 50.0,
    "PO4": 0.81,
    "SiOH4": 22.16,
    "NO3_NO2": 15.75,
    "NO2": 0.24,
    "NH4": 0.22,
    "NO3": 15.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1958, 59.3262] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "PI2",
    "water_depth": 152,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "2304",
    "depth": 100.0,
    "PO4": 0.94,
    "SiOH4": 22.04,
    "NO3_NO2": 16.28,
    "NO2": 0.29,
    "NH4": 0.41,
    "NO3": 15.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1279, 59.2429] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "PI3",
    "water_depth": 154,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "2358",
    "depth": 0.0,
    "PO4": 0.59,
    "SiOH4": 20.06,
    "NO3_NO2": 13.15,
    "NO2": 0.32,
    "NH4": 0.33,
    "NO3": 12.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1279, 59.2429] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "PI3",
    "water_depth": 154,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "2358",
    "depth": 50.0,
    "PO4": 0.72,
    "SiOH4": 22.04,
    "NO3_NO2": 16.06,
    "NO2": 0.37,
    "NH4": 0.27,
    "NO3": 15.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1279, 59.2429] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "PI3",
    "water_depth": 154,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "2358",
    "depth": 100.0,
    "PO4": 0.94,
    "SiOH4": 21.54,
    "NO3_NO2": 16.18,
    "NO2": 0.43,
    "NH4": 0.75,
    "NO3": 15.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1279, 59.2429] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "PI3",
    "water_depth": 154,
    "month_gmt": "4",
    "day_gmt": "16",
    "time_gmt": "2358",
    "depth": 150.0,
    "PO4": 0.97,
    "SiOH4": 23.52,
    "NO3_NO2": 17.58,
    "NO2": 0.45,
    "NH4": 0.63,
    "NO3": 17.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8855, 59.3689] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "CC6",
    "water_depth": 178,
    "month_gmt": "4",
    "day_gmt": "17",
    "time_gmt": "2012",
    "depth": 0.0,
    "PO4": 0.38,
    "SiOH4": 24.04,
    "NO3_NO2": 16.42,
    "NO2": 0.12,
    "NH4": 1.92,
    "NO3": 16.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8855, 59.3689] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "CC6",
    "water_depth": 178,
    "month_gmt": "4",
    "day_gmt": "17",
    "time_gmt": "2012",
    "depth": 25.0,
    "PO4": 0.87,
    "SiOH4": 24.18,
    "NO3_NO2": 16.61,
    "NO2": 0.13,
    "NH4": 1.36,
    "NO3": 16.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8855, 59.3689] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "CC6",
    "water_depth": 178,
    "month_gmt": "4",
    "day_gmt": "17",
    "time_gmt": "2012",
    "depth": 50.0,
    "PO4": 1.12,
    "SiOH4": 24.08,
    "NO3_NO2": 16.54,
    "NO2": 0.19,
    "NH4": 0.87,
    "NO3": 16.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8855, 59.3689] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "CC6",
    "water_depth": 178,
    "month_gmt": "4",
    "day_gmt": "17",
    "time_gmt": "2012",
    "depth": 75.0,
    "PO4": 1.1,
    "SiOH4": 24.72,
    "NO3_NO2": 16.92,
    "NO2": 0.2,
    "NH4": 0.9,
    "NO3": 16.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8855, 59.3689] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "CC6",
    "water_depth": 178,
    "month_gmt": "4",
    "day_gmt": "17",
    "time_gmt": "2012",
    "depth": 100.0,
    "PO4": 1.22,
    "SiOH4": 24.25,
    "NO3_NO2": 16.85,
    "NO2": 0.22,
    "NH4": 0.71,
    "NO3": 16.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8855, 59.3689] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "CC6",
    "water_depth": 178,
    "month_gmt": "4",
    "day_gmt": "17",
    "time_gmt": "2012",
    "depth": 176.0,
    "PO4": 1.26,
    "SiOH4": 26.62,
    "NO3_NO2": 18.32,
    "NO2": 0.15,
    "NH4": 0.7,
    "NO3": 18.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8852, 59.4853] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "CC5",
    "water_depth": 117,
    "month_gmt": "4",
    "day_gmt": "17",
    "time_gmt": "2103",
    "depth": 0.0,
    "PO4": 0.34,
    "SiOH4": 23.92,
    "NO3_NO2": 16.39,
    "NO2": 0.18,
    "NH4": 0.72,
    "NO3": 16.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8852, 59.4853] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "CC5",
    "water_depth": 117,
    "month_gmt": "4",
    "day_gmt": "17",
    "time_gmt": "2103",
    "depth": 25.0,
    "PO4": 0.85,
    "SiOH4": 24.18,
    "NO3_NO2": 16.39,
    "NO2": 0.2,
    "NH4": 0.51,
    "NO3": 16.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8852, 59.4853] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "CC5",
    "water_depth": 117,
    "month_gmt": "4",
    "day_gmt": "17",
    "time_gmt": "2103",
    "depth": 50.0,
    "PO4": 0.94,
    "SiOH4": 24.08,
    "NO3_NO2": 16.19,
    "NO2": 0.18,
    "NH4": 0.3,
    "NO3": 16.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8852, 59.4853] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "CC5",
    "water_depth": 117,
    "month_gmt": "4",
    "day_gmt": "17",
    "time_gmt": "2103",
    "depth": 75.0,
    "PO4": 1.18,
    "SiOH4": 24.23,
    "NO3_NO2": 16.7,
    "NO2": 0.19,
    "NH4": 0.16,
    "NO3": 16.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8852, 59.4853] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "CC5",
    "water_depth": 117,
    "month_gmt": "4",
    "day_gmt": "17",
    "time_gmt": "2103",
    "depth": 116.0,
    "PO4": 1.23,
    "SiOH4": 24.74,
    "NO3_NO2": 17.01,
    "NO2": 0.2,
    "NH4": 0.08,
    "NO3": 16.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.884, 59.6009] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 58,
    "stn_id": "CC4",
    "water_depth": 115,
    "month_gmt": "4",
    "day_gmt": "17",
    "time_gmt": "2151",
    "depth": 0.0,
    "PO4": 0.78,
    "SiOH4": 25.12,
    "NO3_NO2": 16.91,
    "NO2": 0.26,
    "NH4": 0.4,
    "NO3": 16.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.884, 59.6009] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 58,
    "stn_id": "CC4",
    "water_depth": 115,
    "month_gmt": "4",
    "day_gmt": "17",
    "time_gmt": "2151",
    "depth": 25.0,
    "PO4": 1.14,
    "SiOH4": 25.11,
    "NO3_NO2": 16.75,
    "NO2": 0.28,
    "NH4": 0.28,
    "NO3": 16.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.884, 59.6009] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 58,
    "stn_id": "CC4",
    "water_depth": 115,
    "month_gmt": "4",
    "day_gmt": "17",
    "time_gmt": "2151",
    "depth": 50.0,
    "PO4": 1.42,
    "SiOH4": 25.47,
    "NO3_NO2": 16.72,
    "NO2": 0.27,
    "NH4": 0.0,
    "NO3": 16.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.884, 59.6009] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 58,
    "stn_id": "CC4",
    "water_depth": 115,
    "month_gmt": "4",
    "day_gmt": "17",
    "time_gmt": "2151",
    "depth": 75.0,
    "PO4": 1.5,
    "SiOH4": 25.7,
    "NO3_NO2": 17.01,
    "NO2": 0.29,
    "NH4": 0.01,
    "NO3": 16.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.884, 59.6009] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 58,
    "stn_id": "CC4",
    "water_depth": 115,
    "month_gmt": "4",
    "day_gmt": "17",
    "time_gmt": "2151",
    "depth": 112.0,
    "PO4": 1.51,
    "SiOH4": 25.32,
    "NO3_NO2": 17.17,
    "NO2": 0.28,
    "NH4": 0.15,
    "NO3": 16.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.883, 59.6673] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 59,
    "stn_id": "CC3",
    "water_depth": 75,
    "month_gmt": "4",
    "day_gmt": "17",
    "time_gmt": "2225",
    "depth": 0.0,
    "PO4": 0.89,
    "SiOH4": 25.31,
    "NO3_NO2": 16.49,
    "NO2": 0.27,
    "NH4": 0.36,
    "NO3": 16.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.883, 59.6673] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 59,
    "stn_id": "CC3",
    "water_depth": 75,
    "month_gmt": "4",
    "day_gmt": "17",
    "time_gmt": "2225",
    "depth": 25.0,
    "PO4": 1.35,
    "SiOH4": 25.79,
    "NO3_NO2": 16.91,
    "NO2": 0.26,
    "NH4": 0.32,
    "NO3": 16.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.883, 59.6673] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 59,
    "stn_id": "CC3",
    "water_depth": 75,
    "month_gmt": "4",
    "day_gmt": "17",
    "time_gmt": "2225",
    "depth": 50.0,
    "PO4": 1.41,
    "SiOH4": 26.15,
    "NO3_NO2": 16.94,
    "NO2": 0.18,
    "NH4": 0.63,
    "NO3": 16.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.883, 59.6673] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 59,
    "stn_id": "CC3",
    "water_depth": 75,
    "month_gmt": "4",
    "day_gmt": "17",
    "time_gmt": "2225",
    "depth": 74.0,
    "PO4": 1.63,
    "SiOH4": 25.89,
    "NO3_NO2": 16.72,
    "NO2": 0.22,
    "NH4": 0.4,
    "NO3": 16.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8826, 59.7106] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "CC2",
    "water_depth": 71,
    "month_gmt": "4",
    "day_gmt": "17",
    "time_gmt": "2250",
    "depth": 0.0,
    "PO4": 0.88,
    "SiOH4": 28.18,
    "NO3_NO2": 16.81,
    "NO2": 0.16,
    "NH4": 0.06,
    "NO3": 16.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8826, 59.7106] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "CC2",
    "water_depth": 71,
    "month_gmt": "4",
    "day_gmt": "17",
    "time_gmt": "2250",
    "depth": 25.0,
    "PO4": 1.17,
    "SiOH4": 28.12,
    "NO3_NO2": 16.73,
    "NO2": 0.09,
    "NH4": 0.25,
    "NO3": 16.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8826, 59.7106] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "CC2",
    "water_depth": 71,
    "month_gmt": "4",
    "day_gmt": "17",
    "time_gmt": "2250",
    "depth": 50.0,
    "PO4": 1.11,
    "SiOH4": 27.82,
    "NO3_NO2": 16.66,
    "NO2": 0.04,
    "NH4": 0.0,
    "NO3": 16.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8826, 59.7106] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "CC2",
    "water_depth": 71,
    "month_gmt": "4",
    "day_gmt": "17",
    "time_gmt": "2250",
    "depth": 68.0,
    "PO4": 1.23,
    "SiOH4": 28.14,
    "NO3_NO2": 16.65,
    "NO2": 0.1,
    "NH4": 0.01,
    "NO3": 16.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8819, 59.7449] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 61,
    "stn_id": "CC1",
    "water_depth": 22,
    "month_gmt": "4",
    "day_gmt": "17",
    "time_gmt": "2315",
    "depth": 0.0,
    "PO4": 0.51,
    "SiOH4": 21.77,
    "NO3_NO2": 13.95,
    "NO2": 0.31,
    "NH4": 0.58,
    "NO3": 13.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8819, 59.7449] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 61,
    "stn_id": "CC1",
    "water_depth": 22,
    "month_gmt": "4",
    "day_gmt": "17",
    "time_gmt": "2315",
    "depth": 18.0,
    "PO4": 0.79,
    "SiOH4": 22.71,
    "NO3_NO2": 14.06,
    "NO2": 0.42,
    "NH4": 0.4,
    "NO3": 13.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7001, 60.1929] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "HB1",
    "water_depth": 246,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0302",
    "depth": 0.0,
    "PO4": 0.62,
    "SiOH4": 11.47,
    "NO3_NO2": 0.45,
    "NO2": 0.01,
    "NH4": 0.02,
    "NO3": 0.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7001, 60.1929] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "HB1",
    "water_depth": 246,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0302",
    "depth": 10.0,
    "PO4": 0.66,
    "SiOH4": 13.04,
    "NO3_NO2": 2.44,
    "NO2": 0.35,
    "NH4": 0.01,
    "NO3": 2.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7001, 60.1929] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "HB1",
    "water_depth": 246,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0302",
    "depth": 20.0,
    "PO4": 0.85,
    "SiOH4": 15.72,
    "NO3_NO2": 6.48,
    "NO2": 0.18,
    "NH4": 0.37,
    "NO3": 6.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7001, 60.1929] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "HB1",
    "water_depth": 246,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0302",
    "depth": 30.0,
    "PO4": 1.16,
    "SiOH4": 18.52,
    "NO3_NO2": 11.1,
    "NO2": 0.11,
    "NH4": 0.17,
    "NO3": 10.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7001, 60.1929] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "HB1",
    "water_depth": 246,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0302",
    "depth": 40.0,
    "PO4": 1.15,
    "SiOH4": 18.85,
    "NO3_NO2": 12.07,
    "NO2": 0.44,
    "NH4": 0.14,
    "NO3": 11.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7001, 60.1929] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "HB1",
    "water_depth": 246,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0302",
    "depth": 50.0,
    "PO4": 1.27,
    "SiOH4": 19.42,
    "NO3_NO2": 13.09,
    "NO2": 0.27,
    "NH4": 0.27,
    "NO3": 12.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7001, 60.1929] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "HB1",
    "water_depth": 246,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0302",
    "depth": 100.0,
    "PO4": 1.46,
    "SiOH4": 22.48,
    "NO3_NO2": 16.05,
    "NO2": 0.66,
    "NH4": 0.01,
    "NO3": 15.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7001, 60.1929] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "HB1",
    "water_depth": 246,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0302",
    "depth": 243.0,
    "PO4": 1.64,
    "SiOH4": 28.5,
    "NO3_NO2": 18.93,
    "NO2": 0.51,
    "NH4": 0.01,
    "NO3": 18.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.641, 60.1792] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 63,
    "stn_id": "HB2",
    "water_depth": 173,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0328",
    "depth": 0.0,
    "PO4": 0.41,
    "SiOH4": 6.29,
    "NO3_NO2": 0.19,
    "NO2": 0.29,
    "NH4": 0.01,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.641, 60.1792] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 63,
    "stn_id": "HB2",
    "water_depth": 173,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0328",
    "depth": 10.0,
    "PO4": 0.55,
    "SiOH4": 9.96,
    "NO3_NO2": 2.7,
    "NO2": 0.27,
    "NH4": 0.22,
    "NO3": 2.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.641, 60.1792] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 63,
    "stn_id": "HB2",
    "water_depth": 173,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0328",
    "depth": 20.0,
    "PO4": 0.75,
    "SiOH4": 14.75,
    "NO3_NO2": 7.25,
    "NO2": 0.26,
    "NH4": 0.41,
    "NO3": 6.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.641, 60.1792] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 63,
    "stn_id": "HB2",
    "water_depth": 173,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0328",
    "depth": 30.0,
    "PO4": 1.06,
    "SiOH4": 19.16,
    "NO3_NO2": 11.3,
    "NO2": 0.2,
    "NH4": 0.34,
    "NO3": 11.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.641, 60.1792] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 63,
    "stn_id": "HB2",
    "water_depth": 173,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0328",
    "depth": 40.0,
    "PO4": 1.21,
    "SiOH4": 22.83,
    "NO3_NO2": 14.89,
    "NO2": 0.64,
    "NH4": 0.29,
    "NO3": 14.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.641, 60.1792] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 63,
    "stn_id": "HB2",
    "water_depth": 173,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0328",
    "depth": 50.0,
    "PO4": 1.43,
    "SiOH4": 24.27,
    "NO3_NO2": 15.4,
    "NO2": 0.49,
    "NH4": 0.08,
    "NO3": 14.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.641, 60.1792] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 63,
    "stn_id": "HB2",
    "water_depth": 173,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0328",
    "depth": 100.0,
    "PO4": 1.35,
    "SiOH4": 26.58,
    "NO3_NO2": 17.52,
    "NO2": 0.4,
    "NH4": 0.01,
    "NO3": 17.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.641, 60.1792] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 63,
    "stn_id": "HB2",
    "water_depth": 173,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0328",
    "depth": 169.0,
    "PO4": 1.49,
    "SiOH4": 27.16,
    "NO3_NO2": 17.91,
    "NO2": 0.2,
    "NH4": 0.07,
    "NO3": 17.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5756, 60.1634] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 64,
    "stn_id": "HB3",
    "water_depth": 84,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0353",
    "depth": 0.0,
    "PO4": 0.77,
    "SiOH4": 8.74,
    "NO3_NO2": 0.83,
    "NO2": 0.17,
    "NH4": 0.01,
    "NO3": 0.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5756, 60.1634] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 64,
    "stn_id": "HB3",
    "water_depth": 84,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0353",
    "depth": 25.0,
    "PO4": 1.06,
    "SiOH4": 17.58,
    "NO3_NO2": 12.13,
    "NO2": 0.28,
    "NH4": 0.76,
    "NO3": 11.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5756, 60.1634] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 64,
    "stn_id": "HB3",
    "water_depth": 84,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0353",
    "depth": 50.0,
    "PO4": 1.17,
    "SiOH4": 19.39,
    "NO3_NO2": 14.31,
    "NO2": 0.21,
    "NH4": 0.23,
    "NO3": 14.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5756, 60.1634] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 64,
    "stn_id": "HB3",
    "water_depth": 84,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0353",
    "depth": 80.0,
    "PO4": 1.28,
    "SiOH4": 20.36,
    "NO3_NO2": 15.4,
    "NO2": 0.25,
    "NH4": 0.03,
    "NO3": 15.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5024, 60.1482] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 65,
    "stn_id": "HB4",
    "water_depth": 95,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0415",
    "depth": 0.0,
    "PO4": 0.69,
    "SiOH4": 6.21,
    "NO3_NO2": 0.83,
    "NO2": 0.02,
    "NH4": 0.39,
    "NO3": 0.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5024, 60.1482] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 65,
    "stn_id": "HB4",
    "water_depth": 95,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0415",
    "depth": 25.0,
    "PO4": 0.67,
    "SiOH4": 13.69,
    "NO3_NO2": 8.54,
    "NO2": 0.08,
    "NH4": 0.59,
    "NO3": 8.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5024, 60.1482] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 65,
    "stn_id": "HB4",
    "water_depth": 95,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0415",
    "depth": 50.0,
    "PO4": 1.17,
    "SiOH4": 21.48,
    "NO3_NO2": 15.53,
    "NO2": 0.12,
    "NH4": 0.21,
    "NO3": 15.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5024, 60.1482] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 65,
    "stn_id": "HB4",
    "water_depth": 95,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0415",
    "depth": 97.0,
    "PO4": 1.48,
    "SiOH4": 21.71,
    "NO3_NO2": 16.88,
    "NO2": 0.12,
    "NH4": 0.12,
    "NO3": 16.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9138, 59.9587] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 67,
    "stn_id": "MS1",
    "water_depth": 179,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0618",
    "depth": 0.0,
    "PO4": 0.6,
    "SiOH4": 10.7,
    "NO3_NO2": 3.14,
    "NO2": 0.07,
    "NH4": 0.01,
    "NO3": 3.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9138, 59.9587] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 67,
    "stn_id": "MS1",
    "water_depth": 179,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0618",
    "depth": 10.0,
    "PO4": 0.72,
    "SiOH4": 11.63,
    "NO3_NO2": 4.55,
    "NO2": 0.0,
    "NH4": 0.01,
    "NO3": 4.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9138, 59.9587] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 67,
    "stn_id": "MS1",
    "water_depth": 179,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0618",
    "depth": 20.0,
    "PO4": 0.89,
    "SiOH4": 15.81,
    "NO3_NO2": 9.16,
    "NO2": 0.15,
    "NH4": 0.86,
    "NO3": 9.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9138, 59.9587] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 67,
    "stn_id": "MS1",
    "water_depth": 179,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0618",
    "depth": 50.0,
    "PO4": 1.14,
    "SiOH4": 20.0,
    "NO3_NO2": 13.14,
    "NO2": 0.11,
    "NH4": 0.48,
    "NO3": 13.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9138, 59.9587] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 67,
    "stn_id": "MS1",
    "water_depth": 179,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0618",
    "depth": 75.0,
    "PO4": 1.24,
    "SiOH4": 20.09,
    "NO3_NO2": 12.94,
    "NO2": 0.07,
    "NH4": 0.79,
    "NO3": 12.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9138, 59.9587] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 67,
    "stn_id": "MS1",
    "water_depth": 179,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0618",
    "depth": 100.0,
    "PO4": 1.25,
    "SiOH4": 21.13,
    "NO3_NO2": 14.16,
    "NO2": 0.14,
    "NH4": 0.62,
    "NO3": 14.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9138, 59.9587] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 67,
    "stn_id": "MS1",
    "water_depth": 179,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0618",
    "depth": 177.0,
    "PO4": 1.39,
    "SiOH4": 25.21,
    "NO3_NO2": 18.2,
    "NO2": 0.13,
    "NH4": 0.02,
    "NO3": 18.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8783, 59.9442] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 68,
    "stn_id": "MS2",
    "water_depth": 201,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0642",
    "depth": 0.0,
    "PO4": 0.98,
    "SiOH4": 13.75,
    "NO3_NO2": 4.97,
    "NO2": 0.01,
    "NH4": 0.44,
    "NO3": 4.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8783, 59.9442] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 68,
    "stn_id": "MS2",
    "water_depth": 201,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0642",
    "depth": 10.0,
    "PO4": 0.86,
    "SiOH4": 14.78,
    "NO3_NO2": 9.2,
    "NO2": 0.02,
    "NH4": 0.38,
    "NO3": 9.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8783, 59.9442] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 68,
    "stn_id": "MS2",
    "water_depth": 201,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0642",
    "depth": 20.0,
    "PO4": 1.0,
    "SiOH4": 15.61,
    "NO3_NO2": 11.38,
    "NO2": 0.01,
    "NH4": 0.01,
    "NO3": 11.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8783, 59.9442] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 68,
    "stn_id": "MS2",
    "water_depth": 201,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0642",
    "depth": 50.0,
    "PO4": 1.01,
    "SiOH4": 18.85,
    "NO3_NO2": 12.47,
    "NO2": 0.1,
    "NH4": 0.82,
    "NO3": 12.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8783, 59.9442] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 68,
    "stn_id": "MS2",
    "water_depth": 201,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0642",
    "depth": 75.0,
    "PO4": 1.25,
    "SiOH4": 21.04,
    "NO3_NO2": 14.0,
    "NO2": 0.12,
    "NH4": 1.03,
    "NO3": 13.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8783, 59.9442] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 68,
    "stn_id": "MS2",
    "water_depth": 201,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0642",
    "depth": 100.0,
    "PO4": 1.27,
    "SiOH4": 22.5,
    "NO3_NO2": 15.93,
    "NO2": 0.1,
    "NH4": 0.6,
    "NO3": 15.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8783, 59.9442] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 68,
    "stn_id": "MS2",
    "water_depth": 201,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0642",
    "depth": 200.0,
    "PO4": 1.41,
    "SiOH4": 25.11,
    "NO3_NO2": 18.1,
    "NO2": 0.12,
    "NH4": 0.3,
    "NO3": 17.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.855, 59.9332] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 69,
    "stn_id": "MS3",
    "water_depth": 168,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0706",
    "depth": 0.0,
    "PO4": 1.3,
    "SiOH4": 20.9,
    "NO3_NO2": 16.11,
    "NO2": 0.21,
    "NH4": 0.46,
    "NO3": 15.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.855, 59.9332] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 69,
    "stn_id": "MS3",
    "water_depth": 168,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0706",
    "depth": 10.0,
    "PO4": 1.27,
    "SiOH4": 21.21,
    "NO3_NO2": 16.3,
    "NO2": 0.2,
    "NH4": 0.63,
    "NO3": 16.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.855, 59.9332] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 69,
    "stn_id": "MS3",
    "water_depth": 168,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0706",
    "depth": 20.0,
    "PO4": 1.28,
    "SiOH4": 21.32,
    "NO3_NO2": 16.56,
    "NO2": 0.17,
    "NH4": 0.7,
    "NO3": 16.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.855, 59.9332] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 69,
    "stn_id": "MS3",
    "water_depth": 168,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0706",
    "depth": 30.0,
    "PO4": 1.32,
    "SiOH4": 21.42,
    "NO3_NO2": 16.62,
    "NO2": 0.16,
    "NH4": 0.72,
    "NO3": 16.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.855, 59.9332] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 69,
    "stn_id": "MS3",
    "water_depth": 168,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0706",
    "depth": 50.0,
    "PO4": 1.3,
    "SiOH4": 22.05,
    "NO3_NO2": 16.82,
    "NO2": 0.12,
    "NH4": 0.8,
    "NO3": 16.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.855, 59.9332] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 69,
    "stn_id": "MS3",
    "water_depth": 168,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0706",
    "depth": 75.0,
    "PO4": 1.3,
    "SiOH4": 22.47,
    "NO3_NO2": 17.01,
    "NO2": 0.14,
    "NH4": 0.98,
    "NO3": 16.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.855, 59.9332] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 69,
    "stn_id": "MS3",
    "water_depth": 168,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0706",
    "depth": 100.0,
    "PO4": 1.29,
    "SiOH4": 23.21,
    "NO3_NO2": 17.14,
    "NO2": 0.07,
    "NH4": 0.87,
    "NO3": 17.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.855, 59.9332] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 69,
    "stn_id": "MS3",
    "water_depth": 168,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0706",
    "depth": 164.0,
    "PO4": 1.3,
    "SiOH4": 23.84,
    "NO3_NO2": 17.78,
    "NO2": 0.06,
    "NH4": 0.43,
    "NO3": 17.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8268, 59.9219] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 70,
    "stn_id": "MS4",
    "water_depth": 118,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0728",
    "depth": 0.0,
    "PO4": 1.09,
    "SiOH4": 20.69,
    "NO3_NO2": 15.6,
    "NO2": 0.23,
    "NH4": 0.35,
    "NO3": 15.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8268, 59.9219] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 70,
    "stn_id": "MS4",
    "water_depth": 118,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0728",
    "depth": 10.0,
    "PO4": 1.28,
    "SiOH4": 21.0,
    "NO3_NO2": 15.98,
    "NO2": 0.25,
    "NH4": 0.22,
    "NO3": 15.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8268, 59.9219] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 70,
    "stn_id": "MS4",
    "water_depth": 118,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0728",
    "depth": 20.0,
    "PO4": 1.29,
    "SiOH4": 21.11,
    "NO3_NO2": 16.05,
    "NO2": 0.29,
    "NH4": 0.04,
    "NO3": 15.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8268, 59.9219] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 70,
    "stn_id": "MS4",
    "water_depth": 118,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0728",
    "depth": 30.0,
    "PO4": 1.27,
    "SiOH4": 21.11,
    "NO3_NO2": 16.17,
    "NO2": 0.25,
    "NH4": 0.24,
    "NO3": 15.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8268, 59.9219] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 70,
    "stn_id": "MS4",
    "water_depth": 118,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0728",
    "depth": 50.0,
    "PO4": 1.28,
    "SiOH4": 21.95,
    "NO3_NO2": 16.82,
    "NO2": 0.22,
    "NH4": 0.83,
    "NO3": 16.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8268, 59.9219] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 70,
    "stn_id": "MS4",
    "water_depth": 118,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0728",
    "depth": 75.0,
    "PO4": 1.28,
    "SiOH4": 22.47,
    "NO3_NO2": 17.01,
    "NO2": 0.26,
    "NH4": 0.74,
    "NO3": 16.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8268, 59.9219] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 70,
    "stn_id": "MS4",
    "water_depth": 118,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "0728",
    "depth": 117.0,
    "PO4": 1.35,
    "SiOH4": 22.89,
    "NO3_NO2": 17.26,
    "NO2": 0.22,
    "NH4": 0.83,
    "NO3": 17.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9866, 60.2783] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 71,
    "stn_id": "KIP2",
    "water_depth": 588,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "1517",
    "depth": 0.0,
    "PO4": null,
    "SiOH4": 24.09,
    "NO3_NO2": 2.24,
    "NO2": 0.02,
    "NH4": 2.56,
    "NO3": 2.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9866, 60.2783] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 71,
    "stn_id": "KIP2",
    "water_depth": 588,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "1517",
    "depth": 10.0,
    "PO4": null,
    "SiOH4": 31.28,
    "NO3_NO2": 2.04,
    "NO2": 0.0,
    "NH4": 2.48,
    "NO3": 2.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9866, 60.2783] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 71,
    "stn_id": "KIP2",
    "water_depth": 588,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "1517",
    "depth": 20.0,
    "PO4": 0.21,
    "SiOH4": 24.19,
    "NO3_NO2": 6.46,
    "NO2": 0.09,
    "NH4": 2.47,
    "NO3": 6.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9866, 60.2783] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 71,
    "stn_id": "KIP2",
    "water_depth": 588,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "1517",
    "depth": 30.0,
    "PO4": 0.43,
    "SiOH4": 32.54,
    "NO3_NO2": 12.75,
    "NO2": 0.13,
    "NH4": 2.32,
    "NO3": 12.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9866, 60.2783] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 71,
    "stn_id": "KIP2",
    "water_depth": 588,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "1517",
    "depth": 40.0,
    "PO4": 0.81,
    "SiOH4": 38.68,
    "NO3_NO2": 15.24,
    "NO2": 0.17,
    "NH4": 1.92,
    "NO3": 15.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9866, 60.2783] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 71,
    "stn_id": "KIP2",
    "water_depth": 588,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "1517",
    "depth": 50.0,
    "PO4": 0.91,
    "SiOH4": 42.93,
    "NO3_NO2": 16.07,
    "NO2": 0.1,
    "NH4": 0.95,
    "NO3": 15.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9866, 60.2783] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 71,
    "stn_id": "KIP2",
    "water_depth": 588,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "1517",
    "depth": 100.0,
    "PO4": 1.19,
    "SiOH4": 41.82,
    "NO3_NO2": 17.6,
    "NO2": 0.03,
    "NH4": 0.68,
    "NO3": 17.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9866, 60.2783] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 71,
    "stn_id": "KIP2",
    "water_depth": 588,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "1517",
    "depth": 250.0,
    "PO4": 1.41,
    "SiOH4": 45.02,
    "NO3_NO2": 21.89,
    "NO2": 0.02,
    "NH4": 0.36,
    "NO3": 21.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0132, 60.2811] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "KIP1",
    "water_depth": 540,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "1554",
    "depth": 0.0,
    "PO4": 0.57,
    "SiOH4": 27.43,
    "NO3_NO2": 0.83,
    "NO2": 0.2,
    "NH4": 0.51,
    "NO3": 0.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0132, 60.2811] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "KIP1",
    "water_depth": 540,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "1554",
    "depth": 10.0,
    "PO4": 0.52,
    "SiOH4": 21.39,
    "NO3_NO2": 2.3,
    "NO2": 0.29,
    "NH4": 0.54,
    "NO3": 2.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0132, 60.2811] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "KIP1",
    "water_depth": 540,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "1554",
    "depth": 20.0,
    "PO4": 0.61,
    "SiOH4": 29.94,
    "NO3_NO2": 4.98,
    "NO2": 0.35,
    "NH4": 1.46,
    "NO3": 4.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0132, 60.2811] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "KIP1",
    "water_depth": 540,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "1554",
    "depth": 30.0,
    "PO4": 0.77,
    "SiOH4": 30.83,
    "NO3_NO2": 11.84,
    "NO2": 0.44,
    "NH4": 2.56,
    "NO3": 11.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0132, 60.2811] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "KIP1",
    "water_depth": 540,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "1554",
    "depth": 40.0,
    "PO4": 0.97,
    "SiOH4": 38.55,
    "NO3_NO2": 15.3,
    "NO2": 0.45,
    "NH4": 1.83,
    "NO3": 14.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0132, 60.2811] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "KIP1",
    "water_depth": 540,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "1554",
    "depth": 50.0,
    "PO4": 1.14,
    "SiOH4": 35.87,
    "NO3_NO2": 15.94,
    "NO2": 0.01,
    "NH4": 1.7,
    "NO3": 15.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0132, 60.2811] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "KIP1",
    "water_depth": 540,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "1554",
    "depth": 100.0,
    "PO4": 1.32,
    "SiOH4": 37.6,
    "NO3_NO2": 17.08,
    "NO2": 0.01,
    "NH4": 1.84,
    "NO3": 17.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0132, 60.2811] },
  "properties": {
    "cruise_id": "HX218",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "KIP1",
    "water_depth": 540,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "1554",
    "depth": 250.0,
    "PO4": 1.43,
    "SiOH4": 52.35,
    "NO3_NO2": 21.05,
    "NO2": 0.01,
    "NH4": 1.92,
    "NO3": 21.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3597, 60.0242] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "5",
    "day_gmt": "06",
    "time_gmt": "1753",
    "depth": 0.0,
    "PO4": 0.49,
    "SiOH4": 14.43,
    "NO3_NO2": 8.42,
    "NO2": 0.16,
    "NH4": 1.97,
    "NO3": 8.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3597, 60.0242] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "5",
    "day_gmt": "06",
    "time_gmt": "1753",
    "depth": 10.0,
    "PO4": 0.87,
    "SiOH4": 14.91,
    "NO3_NO2": 8.57,
    "NO2": 0.18,
    "NH4": 2.84,
    "NO3": 8.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3597, 60.0242] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "5",
    "day_gmt": "06",
    "time_gmt": "1753",
    "depth": 20.0,
    "PO4": 0.97,
    "SiOH4": 16.14,
    "NO3_NO2": 10.15,
    "NO2": 0.18,
    "NH4": 1.8,
    "NO3": 9.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3597, 60.0242] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "5",
    "day_gmt": "06",
    "time_gmt": "1753",
    "depth": 30.0,
    "PO4": 1.02,
    "SiOH4": 16.63,
    "NO3_NO2": 10.81,
    "NO2": 0.18,
    "NH4": 1.44,
    "NO3": 10.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3597, 60.0242] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "5",
    "day_gmt": "06",
    "time_gmt": "1753",
    "depth": 40.0,
    "PO4": 1.09,
    "SiOH4": 16.61,
    "NO3_NO2": 10.84,
    "NO2": 0.18,
    "NH4": 1.41,
    "NO3": 10.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3597, 60.0242] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "5",
    "day_gmt": "06",
    "time_gmt": "1753",
    "depth": 50.0,
    "PO4": 1.07,
    "SiOH4": 16.43,
    "NO3_NO2": 10.43,
    "NO2": 0.15,
    "NH4": 2.47,
    "NO3": 10.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3597, 60.0242] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "5",
    "day_gmt": "06",
    "time_gmt": "1753",
    "depth": 100.0,
    "PO4": 1.13,
    "SiOH4": 19.32,
    "NO3_NO2": 14.75,
    "NO2": 0.09,
    "NH4": 0.32,
    "NO3": 14.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3597, 60.0242] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "5",
    "day_gmt": "06",
    "time_gmt": "1753",
    "depth": 150.0,
    "PO4": 1.24,
    "SiOH4": 20.14,
    "NO3_NO2": 15.65,
    "NO2": 0.09,
    "NH4": 0.01,
    "NO3": 15.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3597, 60.0242] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "5",
    "day_gmt": "06",
    "time_gmt": "1753",
    "depth": 200.0,
    "PO4": 1.43,
    "SiOH4": 23.36,
    "NO3_NO2": 17.3,
    "NO2": 0.06,
    "NH4": 0.01,
    "NO3": 17.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3597, 60.0242] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "5",
    "day_gmt": "06",
    "time_gmt": "1753",
    "depth": 250.0,
    "PO4": 1.68,
    "SiOH4": 30.07,
    "NO3_NO2": 21.8,
    "NO2": 0.0,
    "NH4": 0.24,
    "NO3": 21.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3597, 60.0242] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "5",
    "day_gmt": "06",
    "time_gmt": "1753",
    "depth": 289.0,
    "PO4": 2.57,
    "SiOH4": 47.15,
    "NO3_NO2": 29.97,
    "NO2": 0.03,
    "NH4": 0.15,
    "NO3": 29.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.468, 59.8444] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "06",
    "time_gmt": "1927",
    "depth": 0.0,
    "PO4": 0.53,
    "SiOH4": 12.93,
    "NO3_NO2": 5.58,
    "NO2": 0.13,
    "NH4": 3.41,
    "NO3": 5.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.468, 59.8444] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "06",
    "time_gmt": "1927",
    "depth": 10.0,
    "PO4": 0.74,
    "SiOH4": 12.58,
    "NO3_NO2": 5.63,
    "NO2": 0.13,
    "NH4": 3.92,
    "NO3": 5.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.468, 59.8444] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "06",
    "time_gmt": "1927",
    "depth": 20.0,
    "PO4": 0.87,
    "SiOH4": 12.57,
    "NO3_NO2": 5.8,
    "NO2": 0.15,
    "NH4": 2.39,
    "NO3": 5.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.468, 59.8444] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "06",
    "time_gmt": "1927",
    "depth": 30.0,
    "PO4": 0.87,
    "SiOH4": 12.55,
    "NO3_NO2": 6.41,
    "NO2": 0.12,
    "NH4": 2.43,
    "NO3": 6.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.468, 59.8444] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "06",
    "time_gmt": "1927",
    "depth": 40.0,
    "PO4": 0.91,
    "SiOH4": 12.37,
    "NO3_NO2": 7.27,
    "NO2": 0.11,
    "NH4": 2.46,
    "NO3": 7.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.468, 59.8444] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "06",
    "time_gmt": "1927",
    "depth": 50.0,
    "PO4": 0.91,
    "SiOH4": 12.69,
    "NO3_NO2": 7.76,
    "NO2": 0.13,
    "NH4": 2.43,
    "NO3": 7.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.468, 59.8444] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "06",
    "time_gmt": "1927",
    "depth": 100.0,
    "PO4": 1.02,
    "SiOH4": 18.98,
    "NO3_NO2": 13.15,
    "NO2": 0.15,
    "NH4": 1.55,
    "NO3": 13.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.468, 59.8444] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "06",
    "time_gmt": "1927",
    "depth": 150.0,
    "PO4": 1.12,
    "SiOH4": 22.37,
    "NO3_NO2": 16.31,
    "NO2": 0.23,
    "NH4": 0.4,
    "NO3": 16.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.468, 59.8444] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "06",
    "time_gmt": "1927",
    "depth": 200.0,
    "PO4": 1.2,
    "SiOH4": 22.69,
    "NO3_NO2": 17.1,
    "NO2": 0.09,
    "NH4": 0.24,
    "NO3": 17.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.468, 59.8444] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "06",
    "time_gmt": "1927",
    "depth": 267.0,
    "PO4": 1.14,
    "SiOH4": 25.16,
    "NO3_NO2": 18.4,
    "NO2": 0.09,
    "NH4": 0.13,
    "NO3": 18.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7938, 58.0966] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK13",
    "water_depth": 2091,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1236",
    "depth": 0.0,
    "PO4": 0.51,
    "SiOH4": 9.93,
    "NO3_NO2": 6.51,
    "NO2": 0.08,
    "NH4": 0.13,
    "NO3": 6.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7938, 58.0966] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK13",
    "water_depth": 2091,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1236",
    "depth": 25.0,
    "PO4": 0.72,
    "SiOH4": 11.23,
    "NO3_NO2": 9.55,
    "NO2": 0.1,
    "NH4": 0.06,
    "NO3": 9.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7938, 58.0966] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK13",
    "water_depth": 2091,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1236",
    "depth": 50.0,
    "PO4": 0.91,
    "SiOH4": 13.85,
    "NO3_NO2": 12.02,
    "NO2": 0.13,
    "NH4": 0.21,
    "NO3": 11.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7938, 58.0966] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK13",
    "water_depth": 2091,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1236",
    "depth": 75.0,
    "PO4": 1.24,
    "SiOH4": 19.71,
    "NO3_NO2": 17.41,
    "NO2": 0.15,
    "NH4": 0.27,
    "NO3": 17.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7938, 58.0966] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK13",
    "water_depth": 2091,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1236",
    "depth": 100.0,
    "PO4": 1.53,
    "SiOH4": 32.38,
    "NO3_NO2": 25.35,
    "NO2": 0.09,
    "NH4": 0.01,
    "NO3": 25.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7938, 58.0966] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK13",
    "water_depth": 2091,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1236",
    "depth": 250.0,
    "PO4": 2.51,
    "SiOH4": 63.22,
    "NO3_NO2": 40.62,
    "NO2": 0.04,
    "NH4": 0.01,
    "NO3": 40.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7938, 58.0966] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK13",
    "water_depth": 2091,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1236",
    "depth": 500.0,
    "PO4": 3.23,
    "SiOH4": null,
    "NO3_NO2": 46.51,
    "NO2": 0.03,
    "NH4": 0.01,
    "NO3": 46.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7938, 58.0966] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK13",
    "water_depth": 2091,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1236",
    "depth": 1000.0,
    "PO4": 3.37,
    "SiOH4": null,
    "NO3_NO2": 47.44,
    "NO2": 0.03,
    "NH4": 0.0,
    "NO3": 47.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7938, 58.0966] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK13",
    "water_depth": 2091,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1236",
    "depth": 1500.0,
    "PO4": 3.3,
    "SiOH4": null,
    "NO3_NO2": 46.93,
    "NO2": 0.03,
    "NH4": 0.01,
    "NO3": 46.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6653, 57.9504] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "GAK14",
    "water_depth": 2850,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1526",
    "depth": 0.0,
    "PO4": 0.75,
    "SiOH4": 17.54,
    "NO3_NO2": 14.62,
    "NO2": 0.16,
    "NH4": 0.16,
    "NO3": 14.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6653, 57.9504] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "GAK14",
    "water_depth": 2850,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1526",
    "depth": 25.0,
    "PO4": 1.03,
    "SiOH4": 17.51,
    "NO3_NO2": 14.67,
    "NO2": 0.18,
    "NH4": 0.26,
    "NO3": 14.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6653, 57.9504] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "GAK14",
    "water_depth": 2850,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1526",
    "depth": 50.0,
    "PO4": 1.2,
    "SiOH4": 18.06,
    "NO3_NO2": 16.71,
    "NO2": 0.21,
    "NH4": 0.46,
    "NO3": 16.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6653, 57.9504] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "GAK14",
    "water_depth": 2850,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1526",
    "depth": 75.0,
    "PO4": 1.36,
    "SiOH4": 24.08,
    "NO3_NO2": 20.87,
    "NO2": 0.04,
    "NH4": 0.3,
    "NO3": 20.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6653, 57.9504] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "GAK14",
    "water_depth": 2850,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1526",
    "depth": 100.0,
    "PO4": 1.63,
    "SiOH4": 27.79,
    "NO3_NO2": 24.33,
    "NO2": 0.07,
    "NH4": 0.23,
    "NO3": 24.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6653, 57.9504] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "GAK14",
    "water_depth": 2850,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1526",
    "depth": 250.0,
    "PO4": 2.42,
    "SiOH4": 55.48,
    "NO3_NO2": 39.17,
    "NO2": 0.01,
    "NH4": 0.14,
    "NO3": 39.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6653, 57.9504] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "GAK14",
    "water_depth": 2850,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1526",
    "depth": 500.0,
    "PO4": 2.92,
    "SiOH4": null,
    "NO3_NO2": 45.06,
    "NO2": 0.01,
    "NH4": 0.01,
    "NO3": 45.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6653, 57.9504] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "GAK14",
    "water_depth": 2850,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1526",
    "depth": 1000.0,
    "PO4": 3.32,
    "SiOH4": null,
    "NO3_NO2": 46.85,
    "NO2": 0.01,
    "NH4": 0.06,
    "NO3": 46.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6653, 57.9504] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "GAK14",
    "water_depth": 2850,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "1526",
    "depth": 1500.0,
    "PO4": 3.45,
    "SiOH4": null,
    "NO3_NO2": 46.16,
    "NO2": 0.0,
    "NH4": 0.26,
    "NO3": 46.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9325, 58.2416] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "GAK12",
    "water_depth": 2149,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2337",
    "depth": 0.0,
    "PO4": 0.87,
    "SiOH4": 2.71,
    "NO3_NO2": 3.05,
    "NO2": 0.04,
    "NH4": 0.01,
    "NO3": 3.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9325, 58.2416] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "GAK12",
    "water_depth": 2149,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2337",
    "depth": 25.0,
    "PO4": 0.88,
    "SiOH4": 11.79,
    "NO3_NO2": 11.38,
    "NO2": 0.11,
    "NH4": 0.31,
    "NO3": 11.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9325, 58.2416] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "GAK12",
    "water_depth": 2149,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2337",
    "depth": 50.0,
    "PO4": 1.13,
    "SiOH4": 15.06,
    "NO3_NO2": 13.37,
    "NO2": 0.1,
    "NH4": 0.35,
    "NO3": 13.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9325, 58.2416] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "GAK12",
    "water_depth": 2149,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2337",
    "depth": 75.0,
    "PO4": 1.41,
    "SiOH4": 23.14,
    "NO3_NO2": 20.71,
    "NO2": 0.1,
    "NH4": 0.49,
    "NO3": 20.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9325, 58.2416] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "GAK12",
    "water_depth": 2149,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2337",
    "depth": 100.0,
    "PO4": 1.85,
    "SiOH4": 33.46,
    "NO3_NO2": 28.54,
    "NO2": 0.12,
    "NH4": 0.0,
    "NO3": 28.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9325, 58.2416] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "GAK12",
    "water_depth": 2149,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2337",
    "depth": 250.0,
    "PO4": 2.73,
    "SiOH4": 67.02,
    "NO3_NO2": 41.9,
    "NO2": 0.0,
    "NH4": 0.01,
    "NO3": 41.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9325, 58.2416] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "GAK12",
    "water_depth": 2149,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2337",
    "depth": 500.0,
    "PO4": 3.13,
    "SiOH4": null,
    "NO3_NO2": 46.19,
    "NO2": 0.02,
    "NH4": 0.02,
    "NO3": 46.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9325, 58.2416] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "GAK12",
    "water_depth": 2149,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2337",
    "depth": 1000.0,
    "PO4": 3.46,
    "SiOH4": null,
    "NO3_NO2": 46.94,
    "NO2": 0.01,
    "NH4": 0.2,
    "NO3": 46.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9325, 58.2416] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "GAK12",
    "water_depth": 2149,
    "month_gmt": "5",
    "day_gmt": "07",
    "time_gmt": "2337",
    "depth": 1500.0,
    "PO4": 3.5,
    "SiOH4": null,
    "NO3_NO2": 46.45,
    "NO2": 0.01,
    "NH4": 0.32,
    "NO3": 46.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0729, 58.3875] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 15,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1508",
    "depth": 0.0,
    "PO4": 0.38,
    "SiOH4": 8.98,
    "NO3_NO2": 8.61,
    "NO2": 0.05,
    "NH4": 0.57,
    "NO3": 8.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0729, 58.3875] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 15,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1508",
    "depth": 25.0,
    "PO4": 0.86,
    "SiOH4": 13.2,
    "NO3_NO2": 13.52,
    "NO2": 0.1,
    "NH4": 0.36,
    "NO3": 13.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0729, 58.3875] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 15,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1508",
    "depth": 50.0,
    "PO4": 1.37,
    "SiOH4": 24.16,
    "NO3_NO2": 21.0,
    "NO2": 0.13,
    "NH4": 0.67,
    "NO3": 20.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0729, 58.3875] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 15,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1508",
    "depth": 75.0,
    "PO4": 1.91,
    "SiOH4": 36.1,
    "NO3_NO2": 30.66,
    "NO2": 0.12,
    "NH4": 0.7,
    "NO3": 30.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0729, 58.3875] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 15,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1508",
    "depth": 100.0,
    "PO4": 2.42,
    "SiOH4": 50.29,
    "NO3_NO2": 38.66,
    "NO2": 0.12,
    "NH4": 0.16,
    "NO3": 38.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0729, 58.3875] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 15,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1508",
    "depth": 250.0,
    "PO4": 2.96,
    "SiOH4": 74.28,
    "NO3_NO2": 45.84,
    "NO2": 0.01,
    "NH4": 0.05,
    "NO3": 45.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0729, 58.3875] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 15,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1508",
    "depth": 500.0,
    "PO4": 3.33,
    "SiOH4": null,
    "NO3_NO2": 50.53,
    "NO2": 0.01,
    "NH4": 0.0,
    "NO3": 50.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0729, 58.3875] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 15,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1508",
    "depth": 1000.0,
    "PO4": 3.51,
    "SiOH4": null,
    "NO3_NO2": 51.08,
    "NO2": 0.0,
    "NH4": 0.01,
    "NO3": 51.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0729, 58.3875] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 15,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1508",
    "depth": 1417.0,
    "PO4": 3.48,
    "SiOH4": null,
    "NO3_NO2": 50.51,
    "NO2": 0.0,
    "NH4": 0.01,
    "NO3": 50.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2134, 58.5407] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK10",
    "water_depth": 1461,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1716",
    "depth": 0.0,
    "PO4": 0.57,
    "SiOH4": 4.8,
    "NO3_NO2": 6.22,
    "NO2": 0.13,
    "NH4": 0.3,
    "NO3": 6.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2134, 58.5407] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK10",
    "water_depth": 1461,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1716",
    "depth": 25.0,
    "PO4": 0.63,
    "SiOH4": 6.06,
    "NO3_NO2": 11.89,
    "NO2": 0.13,
    "NH4": 0.35,
    "NO3": 11.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2134, 58.5407] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK10",
    "water_depth": 1461,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1716",
    "depth": 50.0,
    "PO4": 0.87,
    "SiOH4": 15.76,
    "NO3_NO2": 19.74,
    "NO2": 0.13,
    "NH4": 1.07,
    "NO3": 19.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2134, 58.5407] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK10",
    "water_depth": 1461,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1716",
    "depth": 75.0,
    "PO4": 1.31,
    "SiOH4": 24.65,
    "NO3_NO2": 27.37,
    "NO2": 0.1,
    "NH4": 1.19,
    "NO3": 27.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2134, 58.5407] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK10",
    "water_depth": 1461,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1716",
    "depth": 100.0,
    "PO4": 1.94,
    "SiOH4": 40.1,
    "NO3_NO2": 45.38,
    "NO2": 0.04,
    "NH4": 0.25,
    "NO3": 45.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2134, 58.5407] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK10",
    "water_depth": 1461,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1716",
    "depth": 250.0,
    "PO4": 2.73,
    "SiOH4": 64.71,
    "NO3_NO2": null,
    "NO2": 0.01,
    "NH4": 0.39,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2134, 58.5407] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK10",
    "water_depth": 1461,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1716",
    "depth": 500.0,
    "PO4": 3.27,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.01,
    "NH4": 0.24,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2134, 58.5407] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK10",
    "water_depth": 1461,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1716",
    "depth": 1000.0,
    "PO4": 3.46,
    "SiOH4": null,
    "NO3_NO2": 50.81,
    "NO2": 0.01,
    "NH4": 0.01,
    "NO3": 50.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2134, 58.5407] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK10",
    "water_depth": 1461,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1716",
    "depth": 1448.0,
    "PO4": 3.45,
    "SiOH4": null,
    "NO3_NO2": 50.61,
    "NO2": 0.0,
    "NH4": 0.42,
    "NO3": 50.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2773, 58.6105] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK9I",
    "water_depth": 705,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1916",
    "depth": 0.0,
    "PO4": 0.35,
    "SiOH4": 0.4,
    "NO3_NO2": 3.2,
    "NO2": 0.16,
    "NH4": 0.35,
    "NO3": 3.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2773, 58.6105] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK9I",
    "water_depth": 705,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1916",
    "depth": 10.0,
    "PO4": 0.45,
    "SiOH4": 0.01,
    "NO3_NO2": 3.84,
    "NO2": 0.15,
    "NH4": 0.41,
    "NO3": 3.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2773, 58.6105] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK9I",
    "water_depth": 705,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1916",
    "depth": 20.0,
    "PO4": 0.56,
    "SiOH4": 1.52,
    "NO3_NO2": 4.0,
    "NO2": 0.17,
    "NH4": 0.14,
    "NO3": 3.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2773, 58.6105] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK9I",
    "water_depth": 705,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1916",
    "depth": 30.0,
    "PO4": 0.63,
    "SiOH4": 8.14,
    "NO3_NO2": 6.24,
    "NO2": 0.19,
    "NH4": 0.27,
    "NO3": 6.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2773, 58.6105] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK9I",
    "water_depth": 705,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1916",
    "depth": 40.0,
    "PO4": 0.8,
    "SiOH4": 14.01,
    "NO3_NO2": 9.36,
    "NO2": 0.18,
    "NH4": 0.74,
    "NO3": 9.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2773, 58.6105] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK9I",
    "water_depth": 705,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1916",
    "depth": 50.0,
    "PO4": 0.93,
    "SiOH4": 15.73,
    "NO3_NO2": 11.12,
    "NO2": 0.2,
    "NH4": 0.62,
    "NO3": 10.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2773, 58.6105] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK9I",
    "water_depth": 705,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1916",
    "depth": 100.0,
    "PO4": 1.18,
    "SiOH4": 31.07,
    "NO3_NO2": 26.4,
    "NO2": 0.14,
    "NH4": 0.21,
    "NO3": 26.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2773, 58.6105] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK9I",
    "water_depth": 705,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1916",
    "depth": 250.0,
    "PO4": 2.42,
    "SiOH4": 62.42,
    "NO3_NO2": 40.72,
    "NO2": 0.02,
    "NH4": 0.41,
    "NO3": 40.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2773, 58.6105] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK9I",
    "water_depth": 705,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1916",
    "depth": 500.0,
    "PO4": 3.16,
    "SiOH4": null,
    "NO3_NO2": 47.28,
    "NO2": 0.01,
    "NH4": 0.1,
    "NO3": 47.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2773, 58.6105] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK9I",
    "water_depth": 705,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "1916",
    "depth": 693.0,
    "PO4": 3.39,
    "SiOH4": null,
    "NO3_NO2": 47.84,
    "NO2": 0.01,
    "NH4": 0.02,
    "NO3": 47.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3487, 58.6801] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2030",
    "depth": 0.0,
    "PO4": 0.57,
    "SiOH4": 0.7,
    "NO3_NO2": 0.96,
    "NO2": 0.02,
    "NH4": 0.35,
    "NO3": 0.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3487, 58.6801] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2030",
    "depth": 10.0,
    "PO4": 0.48,
    "SiOH4": 7.07,
    "NO3_NO2": 2.56,
    "NO2": 0.02,
    "NH4": 0.64,
    "NO3": 2.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3487, 58.6801] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2030",
    "depth": 20.0,
    "PO4": 0.67,
    "SiOH4": 10.7,
    "NO3_NO2": 8.72,
    "NO2": 0.12,
    "NH4": 0.52,
    "NO3": 8.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3487, 58.6801] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2030",
    "depth": 30.0,
    "PO4": 0.83,
    "SiOH4": 13.42,
    "NO3_NO2": 14.24,
    "NO2": 0.14,
    "NH4": 0.41,
    "NO3": 14.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3487, 58.6801] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2030",
    "depth": 40.0,
    "PO4": 1.02,
    "SiOH4": 17.63,
    "NO3_NO2": 17.6,
    "NO2": 0.16,
    "NH4": 0.27,
    "NO3": 17.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3487, 58.6801] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2030",
    "depth": 50.0,
    "PO4": 1.12,
    "SiOH4": 19.68,
    "NO3_NO2": 19.44,
    "NO2": 0.15,
    "NH4": 0.41,
    "NO3": 19.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3487, 58.6801] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2030",
    "depth": 100.0,
    "PO4": 1.42,
    "SiOH4": 29.21,
    "NO3_NO2": 27.28,
    "NO2": 0.11,
    "NH4": 0.47,
    "NO3": 27.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3487, 58.6801] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2030",
    "depth": 150.0,
    "PO4": 1.98,
    "SiOH4": 46.95,
    "NO3_NO2": 41.2,
    "NO2": 0.05,
    "NH4": 0.52,
    "NO3": 41.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3487, 58.6801] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2030",
    "depth": 200.0,
    "PO4": 2.47,
    "SiOH4": 60.04,
    "NO3_NO2": 46.08,
    "NO2": 0.02,
    "NH4": 0.56,
    "NO3": 46.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3487, 58.6801] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2030",
    "depth": 272.0,
    "PO4": 2.93,
    "SiOH4": 73.47,
    "NO3_NO2": 47.84,
    "NO2": 0.01,
    "NH4": 0.39,
    "NO3": 47.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4208, 58.7441] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2224",
    "depth": 0.0,
    "PO4": 0.4,
    "SiOH4": 5.07,
    "NO3_NO2": 1.05,
    "NO2": 0.05,
    "NH4": 0.06,
    "NO3": 1.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4208, 58.7441] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2224",
    "depth": 10.0,
    "PO4": 0.42,
    "SiOH4": 6.58,
    "NO3_NO2": 2.58,
    "NO2": 0.05,
    "NH4": 0.35,
    "NO3": 2.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4208, 58.7441] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2224",
    "depth": 20.0,
    "PO4": 0.58,
    "SiOH4": 10.58,
    "NO3_NO2": 6.66,
    "NO2": 0.05,
    "NH4": 0.74,
    "NO3": 6.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4208, 58.7441] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2224",
    "depth": 30.0,
    "PO4": 0.74,
    "SiOH4": 11.67,
    "NO3_NO2": 9.15,
    "NO2": 0.1,
    "NH4": 0.62,
    "NO3": 9.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4208, 58.7441] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2224",
    "depth": 40.0,
    "PO4": 0.83,
    "SiOH4": 17.4,
    "NO3_NO2": 14.12,
    "NO2": 0.12,
    "NH4": 0.35,
    "NO3": 13.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4208, 58.7441] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2224",
    "depth": 50.0,
    "PO4": 0.95,
    "SiOH4": 19.91,
    "NO3_NO2": 16.61,
    "NO2": 0.15,
    "NH4": 0.56,
    "NO3": 16.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4208, 58.7441] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2224",
    "depth": 100.0,
    "PO4": 1.33,
    "SiOH4": 33.94,
    "NO3_NO2": 24.69,
    "NO2": 0.12,
    "NH4": 0.06,
    "NO3": 24.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4208, 58.7441] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2224",
    "depth": 150.0,
    "PO4": 1.8,
    "SiOH4": 45.41,
    "NO3_NO2": 37.18,
    "NO2": 0.09,
    "NH4": 0.08,
    "NO3": 37.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4208, 58.7441] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2224",
    "depth": 200.0,
    "PO4": 2.25,
    "SiOH4": 55.46,
    "NO3_NO2": 43.91,
    "NO2": 0.03,
    "NH4": 0.19,
    "NO3": 43.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4208, 58.7441] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2224",
    "depth": 281.0,
    "PO4": 2.75,
    "SiOH4": 75.14,
    "NO3_NO2": 50.08,
    "NO2": 0.03,
    "NH4": 0.19,
    "NO3": 50.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4896, 58.7922] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2309",
    "depth": 0.0,
    "PO4": 0.65,
    "SiOH4": 7.52,
    "NO3_NO2": 5.12,
    "NO2": 0.05,
    "NH4": 0.78,
    "NO3": 5.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4896, 58.7922] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2309",
    "depth": 10.0,
    "PO4": 0.6,
    "SiOH4": 7.45,
    "NO3_NO2": 5.29,
    "NO2": 0.05,
    "NH4": 0.74,
    "NO3": 5.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4896, 58.7922] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2309",
    "depth": 20.0,
    "PO4": 0.47,
    "SiOH4": 7.62,
    "NO3_NO2": 5.62,
    "NO2": 0.02,
    "NH4": 0.7,
    "NO3": 5.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4896, 58.7922] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2309",
    "depth": 30.0,
    "PO4": 0.49,
    "SiOH4": 7.88,
    "NO3_NO2": 7.23,
    "NO2": 0.05,
    "NH4": 0.66,
    "NO3": 7.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4896, 58.7922] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2309",
    "depth": 40.0,
    "PO4": 0.6,
    "SiOH4": 15.53,
    "NO3_NO2": 13.39,
    "NO2": 0.1,
    "NH4": 0.72,
    "NO3": 13.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4896, 58.7922] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2309",
    "depth": 50.0,
    "PO4": 0.82,
    "SiOH4": 18.86,
    "NO3_NO2": 15.32,
    "NO2": 0.12,
    "NH4": 0.5,
    "NO3": 15.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4896, 58.7922] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2309",
    "depth": 100.0,
    "PO4": 1.0,
    "SiOH4": 27.59,
    "NO3_NO2": 22.85,
    "NO2": 0.12,
    "NH4": 0.35,
    "NO3": 22.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4896, 58.7922] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2309",
    "depth": 150.0,
    "PO4": 1.43,
    "SiOH4": 38.22,
    "NO3_NO2": 30.62,
    "NO2": 0.12,
    "NH4": 0.37,
    "NO3": 30.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4896, 58.7922] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2309",
    "depth": 200.0,
    "PO4": 1.83,
    "SiOH4": 45.21,
    "NO3_NO2": 37.66,
    "NO2": 0.03,
    "NH4": 0.29,
    "NO3": 37.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4896, 58.7922] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "5",
    "day_gmt": "08",
    "time_gmt": "2309",
    "depth": 281.0,
    "PO4": 2.41,
    "SiOH4": 59.24,
    "NO3_NO2": 49.35,
    "NO2": 0.03,
    "NH4": 0.08,
    "NO3": 49.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6296, 58.9729] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "GAK7",
    "water_depth": 241,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "0045",
    "depth": 0.0,
    "PO4": 0.53,
    "SiOH4": 22.84,
    "NO3_NO2": 15.42,
    "NO2": 0.05,
    "NH4": 0.0,
    "NO3": 15.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6296, 58.9729] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "GAK7",
    "water_depth": 241,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "0045",
    "depth": 10.0,
    "PO4": 0.78,
    "SiOH4": 22.95,
    "NO3_NO2": 15.63,
    "NO2": 0.05,
    "NH4": 0.06,
    "NO3": 15.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6296, 58.9729] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "GAK7",
    "water_depth": 241,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "0045",
    "depth": 20.0,
    "PO4": 0.95,
    "SiOH4": 22.8,
    "NO3_NO2": 15.69,
    "NO2": 0.07,
    "NH4": 0.15,
    "NO3": 15.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6296, 58.9729] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "GAK7",
    "water_depth": 241,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "0045",
    "depth": 30.0,
    "PO4": 1.08,
    "SiOH4": 23.08,
    "NO3_NO2": 15.98,
    "NO2": 0.07,
    "NH4": 0.29,
    "NO3": 15.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6296, 58.9729] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "GAK7",
    "water_depth": 241,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "0045",
    "depth": 40.0,
    "PO4": 1.07,
    "SiOH4": 23.36,
    "NO3_NO2": 16.36,
    "NO2": 0.09,
    "NH4": 0.34,
    "NO3": 16.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6296, 58.9729] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "GAK7",
    "water_depth": 241,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "0045",
    "depth": 50.0,
    "PO4": 1.01,
    "SiOH4": 23.55,
    "NO3_NO2": 17.7,
    "NO2": 0.14,
    "NH4": 0.58,
    "NO3": 17.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6296, 58.9729] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "GAK7",
    "water_depth": 241,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "0045",
    "depth": 100.0,
    "PO4": 1.09,
    "SiOH4": 23.49,
    "NO3_NO2": 19.03,
    "NO2": 0.13,
    "NH4": 0.54,
    "NO3": 18.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6296, 58.9729] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "GAK7",
    "water_depth": 241,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "0045",
    "depth": 150.0,
    "PO4": 1.19,
    "SiOH4": 24.54,
    "NO3_NO2": 20.69,
    "NO2": 0.13,
    "NH4": 0.52,
    "NO3": 20.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6296, 58.9729] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "GAK7",
    "water_depth": 241,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "0045",
    "depth": 200.0,
    "PO4": 1.55,
    "SiOH4": 47.12,
    "NO3_NO2": 34.74,
    "NO2": 0.1,
    "NH4": 0.2,
    "NO3": 34.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6296, 58.9729] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "GAK7",
    "water_depth": 241,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "0045",
    "depth": 236.0,
    "PO4": 1.98,
    "SiOH4": 66.53,
    "NO3_NO2": 45.12,
    "NO2": 0.04,
    "NH4": 0.07,
    "NO3": 45.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7739, 59.1203] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK6",
    "water_depth": 147,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "0220",
    "depth": 0.0,
    "PO4": 0.71,
    "SiOH4": 23.23,
    "NO3_NO2": 14.7,
    "NO2": 0.06,
    "NH4": 0.67,
    "NO3": 14.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7739, 59.1203] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK6",
    "water_depth": 147,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "0220",
    "depth": 10.0,
    "PO4": 0.82,
    "SiOH4": 23.16,
    "NO3_NO2": 14.83,
    "NO2": 0.09,
    "NH4": 0.51,
    "NO3": 14.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7739, 59.1203] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK6",
    "water_depth": 147,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "0220",
    "depth": 20.0,
    "PO4": 0.86,
    "SiOH4": 23.79,
    "NO3_NO2": 16.17,
    "NO2": 0.11,
    "NH4": 0.47,
    "NO3": 16.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7739, 59.1203] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK6",
    "water_depth": 147,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "0220",
    "depth": 30.0,
    "PO4": 0.98,
    "SiOH4": 23.64,
    "NO3_NO2": 17.58,
    "NO2": 0.13,
    "NH4": 0.61,
    "NO3": 17.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7739, 59.1203] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK6",
    "water_depth": 147,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "0220",
    "depth": 40.0,
    "PO4": 0.97,
    "SiOH4": 24.0,
    "NO3_NO2": 18.68,
    "NO2": 0.16,
    "NH4": 0.55,
    "NO3": 18.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7739, 59.1203] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK6",
    "water_depth": 147,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "0220",
    "depth": 50.0,
    "PO4": 0.98,
    "SiOH4": 25.74,
    "NO3_NO2": 20.34,
    "NO2": 0.15,
    "NH4": 0.43,
    "NO3": 20.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7739, 59.1203] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK6",
    "water_depth": 147,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "0220",
    "depth": 75.0,
    "PO4": 1.11,
    "SiOH4": 23.87,
    "NO3_NO2": 19.35,
    "NO2": 0.12,
    "NH4": 0.66,
    "NO3": 19.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7739, 59.1203] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK6",
    "water_depth": 147,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "0220",
    "depth": 100.0,
    "PO4": 1.09,
    "SiOH4": 25.61,
    "NO3_NO2": 20.93,
    "NO2": 0.14,
    "NH4": 0.7,
    "NO3": 20.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7739, 59.1203] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK6",
    "water_depth": 147,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "0220",
    "depth": 141.0,
    "PO4": 1.09,
    "SiOH4": 27.0,
    "NO3_NO2": 22.58,
    "NO2": 0.11,
    "NH4": 0.62,
    "NO3": 22.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8391, 59.1906] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK5I",
    "water_depth": 166,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1524",
    "depth": 0.0,
    "PO4": 0.65,
    "SiOH4": 23.56,
    "NO3_NO2": 17.38,
    "NO2": 0.13,
    "NH4": 0.09,
    "NO3": 17.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8391, 59.1906] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK5I",
    "water_depth": 166,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1524",
    "depth": 10.0,
    "PO4": 0.73,
    "SiOH4": 23.55,
    "NO3_NO2": 17.48,
    "NO2": 0.13,
    "NH4": 0.13,
    "NO3": 17.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8391, 59.1906] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK5I",
    "water_depth": 166,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1524",
    "depth": 20.0,
    "PO4": 0.83,
    "SiOH4": 23.79,
    "NO3_NO2": 17.18,
    "NO2": 0.15,
    "NH4": 0.14,
    "NO3": 17.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8391, 59.1906] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK5I",
    "water_depth": 166,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1524",
    "depth": 30.0,
    "PO4": 0.97,
    "SiOH4": 23.7,
    "NO3_NO2": 17.12,
    "NO2": 0.17,
    "NH4": 0.06,
    "NO3": 16.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8391, 59.1906] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK5I",
    "water_depth": 166,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1524",
    "depth": 40.0,
    "PO4": 0.99,
    "SiOH4": 24.02,
    "NO3_NO2": 18.11,
    "NO2": 0.22,
    "NH4": 0.04,
    "NO3": 17.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8391, 59.1906] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK5I",
    "water_depth": 166,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1524",
    "depth": 50.0,
    "PO4": 1.02,
    "SiOH4": 24.43,
    "NO3_NO2": 19.49,
    "NO2": 0.25,
    "NH4": 0.12,
    "NO3": 19.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8391, 59.1906] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK5I",
    "water_depth": 166,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1524",
    "depth": 75.0,
    "PO4": 1.08,
    "SiOH4": 23.43,
    "NO3_NO2": 18.87,
    "NO2": 0.22,
    "NH4": 0.33,
    "NO3": 18.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8391, 59.1906] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK5I",
    "water_depth": 166,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1524",
    "depth": 100.0,
    "PO4": 0.96,
    "SiOH4": 24.83,
    "NO3_NO2": 20.41,
    "NO2": 0.18,
    "NH4": 0.27,
    "NO3": 20.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8391, 59.1906] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK5I",
    "water_depth": 166,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1524",
    "depth": 162.0,
    "PO4": 1.07,
    "SiOH4": 29.13,
    "NO3_NO2": 24.35,
    "NO2": 0.18,
    "NH4": 0.54,
    "NO3": 24.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9082, 59.2616] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 27,
    "stn_id": "GAK5",
    "water_depth": 169,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1606",
    "depth": 0.0,
    "PO4": 0.63,
    "SiOH4": 23.73,
    "NO3_NO2": 16.21,
    "NO2": 0.09,
    "NH4": 0.45,
    "NO3": 16.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9082, 59.2616] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 27,
    "stn_id": "GAK5",
    "water_depth": 169,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1606",
    "depth": 10.0,
    "PO4": 0.72,
    "SiOH4": 23.81,
    "NO3_NO2": 16.39,
    "NO2": 0.09,
    "NH4": 0.37,
    "NO3": 16.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9082, 59.2616] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 27,
    "stn_id": "GAK5",
    "water_depth": 169,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1606",
    "depth": 20.0,
    "PO4": 0.78,
    "SiOH4": 23.8,
    "NO3_NO2": 16.33,
    "NO2": 0.14,
    "NH4": 0.35,
    "NO3": 16.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9082, 59.2616] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 27,
    "stn_id": "GAK5",
    "water_depth": 169,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1606",
    "depth": 30.0,
    "PO4": 0.83,
    "SiOH4": 23.87,
    "NO3_NO2": 16.35,
    "NO2": 0.13,
    "NH4": 0.22,
    "NO3": 16.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9082, 59.2616] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 27,
    "stn_id": "GAK5",
    "water_depth": 169,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1606",
    "depth": 40.0,
    "PO4": 0.89,
    "SiOH4": 23.78,
    "NO3_NO2": 16.53,
    "NO2": 0.1,
    "NH4": 0.16,
    "NO3": 16.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9082, 59.2616] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 27,
    "stn_id": "GAK5",
    "water_depth": 169,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1606",
    "depth": 50.0,
    "PO4": 0.89,
    "SiOH4": 23.85,
    "NO3_NO2": 16.72,
    "NO2": 0.13,
    "NH4": 0.23,
    "NO3": 16.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9082, 59.2616] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 27,
    "stn_id": "GAK5",
    "water_depth": 169,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1606",
    "depth": 75.0,
    "PO4": 0.88,
    "SiOH4": 23.84,
    "NO3_NO2": 19.7,
    "NO2": 0.23,
    "NH4": 0.19,
    "NO3": 19.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9082, 59.2616] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 27,
    "stn_id": "GAK5",
    "water_depth": 169,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1606",
    "depth": 100.0,
    "PO4": 0.97,
    "SiOH4": 22.59,
    "NO3_NO2": 19.08,
    "NO2": 0.17,
    "NH4": 0.28,
    "NO3": 18.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9082, 59.2616] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 27,
    "stn_id": "GAK5",
    "water_depth": 169,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1606",
    "depth": 163.0,
    "PO4": 1.0,
    "SiOH4": 29.3,
    "NO3_NO2": 24.22,
    "NO2": 0.17,
    "NH4": 0.22,
    "NO3": 24.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9786, 59.3351] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "GAK4I",
    "water_depth": 196,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1707",
    "depth": 0.0,
    "PO4": 0.69,
    "SiOH4": 21.38,
    "NO3_NO2": 15.5,
    "NO2": 0.11,
    "NH4": 0.5,
    "NO3": 15.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9786, 59.3351] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "GAK4I",
    "water_depth": 196,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1707",
    "depth": 10.0,
    "PO4": 0.72,
    "SiOH4": 21.6,
    "NO3_NO2": 15.73,
    "NO2": 0.11,
    "NH4": 0.64,
    "NO3": 15.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9786, 59.3351] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "GAK4I",
    "water_depth": 196,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1707",
    "depth": 20.0,
    "PO4": 0.84,
    "SiOH4": 21.57,
    "NO3_NO2": 15.79,
    "NO2": 0.11,
    "NH4": 0.68,
    "NO3": 15.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9786, 59.3351] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "GAK4I",
    "water_depth": 196,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1707",
    "depth": 30.0,
    "PO4": 0.92,
    "SiOH4": 21.7,
    "NO3_NO2": 16.02,
    "NO2": 0.1,
    "NH4": 0.99,
    "NO3": 15.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9786, 59.3351] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "GAK4I",
    "water_depth": 196,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1707",
    "depth": 40.0,
    "PO4": 0.96,
    "SiOH4": 22.08,
    "NO3_NO2": 19.12,
    "NO2": 0.21,
    "NH4": 1.24,
    "NO3": 18.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9786, 59.3351] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "GAK4I",
    "water_depth": 196,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1707",
    "depth": 50.0,
    "PO4": 1.06,
    "SiOH4": 22.72,
    "NO3_NO2": 19.91,
    "NO2": 0.24,
    "NH4": 0.37,
    "NO3": 19.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9786, 59.3351] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "GAK4I",
    "water_depth": 196,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1707",
    "depth": 75.0,
    "PO4": 1.08,
    "SiOH4": 23.6,
    "NO3_NO2": 20.21,
    "NO2": 0.21,
    "NH4": 0.19,
    "NO3": 20.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9786, 59.3351] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "GAK4I",
    "water_depth": 196,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1707",
    "depth": 100.0,
    "PO4": 1.14,
    "SiOH4": 25.14,
    "NO3_NO2": 20.44,
    "NO2": 0.13,
    "NH4": 0.35,
    "NO3": 20.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9786, 59.3351] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "GAK4I",
    "water_depth": 196,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1707",
    "depth": 150.0,
    "PO4": 1.17,
    "SiOH4": 27.35,
    "NO3_NO2": 22.18,
    "NO2": 0.07,
    "NH4": 0.27,
    "NO3": 22.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9786, 59.3351] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "GAK4I",
    "water_depth": 196,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1707",
    "depth": 193.0,
    "PO4": 1.26,
    "SiOH4": 27.49,
    "NO3_NO2": 22.41,
    "NO2": 0.12,
    "NH4": 0.39,
    "NO3": 22.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0501, 59.409] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1755",
    "depth": 0.0,
    "PO4": 0.53,
    "SiOH4": 23.22,
    "NO3_NO2": 14.87,
    "NO2": 0.07,
    "NH4": 0.06,
    "NO3": 14.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0501, 59.409] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1755",
    "depth": 10.0,
    "PO4": 0.51,
    "SiOH4": 23.44,
    "NO3_NO2": 15.02,
    "NO2": 0.09,
    "NH4": 0.23,
    "NO3": 14.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0501, 59.409] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1755",
    "depth": 20.0,
    "PO4": 0.62,
    "SiOH4": 23.41,
    "NO3_NO2": 15.08,
    "NO2": 0.09,
    "NH4": 0.25,
    "NO3": 14.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0501, 59.409] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1755",
    "depth": 30.0,
    "PO4": 0.7,
    "SiOH4": 23.29,
    "NO3_NO2": 15.23,
    "NO2": 0.09,
    "NH4": 0.19,
    "NO3": 15.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0501, 59.409] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1755",
    "depth": 40.0,
    "PO4": 0.77,
    "SiOH4": 23.43,
    "NO3_NO2": 17.29,
    "NO2": 0.14,
    "NH4": 0.27,
    "NO3": 17.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0501, 59.409] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1755",
    "depth": 50.0,
    "PO4": 0.84,
    "SiOH4": 23.89,
    "NO3_NO2": 18.48,
    "NO2": 0.2,
    "NH4": 0.37,
    "NO3": 18.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0501, 59.409] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1755",
    "depth": 75.0,
    "PO4": 0.89,
    "SiOH4": 23.78,
    "NO3_NO2": 19.26,
    "NO2": 0.2,
    "NH4": 0.39,
    "NO3": 19.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0501, 59.409] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1755",
    "depth": 100.0,
    "PO4": 0.9,
    "SiOH4": 23.75,
    "NO3_NO2": 19.89,
    "NO2": 0.17,
    "NH4": 0.47,
    "NO3": 19.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0501, 59.409] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1755",
    "depth": 150.0,
    "PO4": 0.98,
    "SiOH4": 24.79,
    "NO3_NO2": 20.83,
    "NO2": 0.06,
    "NH4": 0.5,
    "NO3": 20.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0501, 59.409] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "1755",
    "depth": 196.0,
    "PO4": 0.99,
    "SiOH4": 27.0,
    "NO3_NO2": 21.78,
    "NO2": 0.11,
    "NH4": 0.54,
    "NO3": 21.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1228, 59.4823] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2002",
    "depth": 0.0,
    "PO4": 0.49,
    "SiOH4": 24.79,
    "NO3_NO2": 15.17,
    "NO2": 0.11,
    "NH4": 0.0,
    "NO3": 15.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1228, 59.4823] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2002",
    "depth": 10.0,
    "PO4": 0.42,
    "SiOH4": 24.77,
    "NO3_NO2": 15.47,
    "NO2": 0.13,
    "NH4": 0.0,
    "NO3": 15.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1228, 59.4823] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2002",
    "depth": 20.0,
    "PO4": 0.57,
    "SiOH4": 24.92,
    "NO3_NO2": 16.72,
    "NO2": 0.15,
    "NH4": 0.01,
    "NO3": 16.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1228, 59.4823] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2002",
    "depth": 30.0,
    "PO4": 0.69,
    "SiOH4": 25.4,
    "NO3_NO2": 19.41,
    "NO2": 0.28,
    "NH4": 0.01,
    "NO3": 19.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1228, 59.4823] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2002",
    "depth": 40.0,
    "PO4": 0.84,
    "SiOH4": 25.63,
    "NO3_NO2": 19.79,
    "NO2": 0.31,
    "NH4": 0.01,
    "NO3": 19.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1228, 59.4823] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2002",
    "depth": 50.0,
    "PO4": 0.89,
    "SiOH4": 26.19,
    "NO3_NO2": 20.08,
    "NO2": 0.25,
    "NH4": 0.01,
    "NO3": 19.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1228, 59.4823] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2002",
    "depth": 75.0,
    "PO4": 0.96,
    "SiOH4": 25.51,
    "NO3_NO2": 19.89,
    "NO2": 0.16,
    "NH4": 0.01,
    "NO3": 19.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1228, 59.4823] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2002",
    "depth": 100.0,
    "PO4": 0.97,
    "SiOH4": 25.4,
    "NO3_NO2": 20.11,
    "NO2": 0.16,
    "NH4": 0.0,
    "NO3": 19.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1228, 59.4823] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2002",
    "depth": 150.0,
    "PO4": 1.01,
    "SiOH4": 25.3,
    "NO3_NO2": 20.56,
    "NO2": 0.1,
    "NH4": 0.18,
    "NO3": 20.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1228, 59.4823] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2002",
    "depth": 200.0,
    "PO4": 1.07,
    "SiOH4": 26.86,
    "NO3_NO2": 21.25,
    "NO2": 0.1,
    "NH4": 0.12,
    "NO3": 21.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1906, 59.5536] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "GAK3",
    "water_depth": 213,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2055",
    "depth": 0.0,
    "PO4": 0.49,
    "SiOH4": 24.51,
    "NO3_NO2": 15.55,
    "NO2": 0.04,
    "NH4": 0.0,
    "NO3": 15.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1906, 59.5536] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "GAK3",
    "water_depth": 213,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2055",
    "depth": 10.0,
    "PO4": 0.73,
    "SiOH4": 24.16,
    "NO3_NO2": 15.68,
    "NO2": 0.04,
    "NH4": 0.31,
    "NO3": 15.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1906, 59.5536] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "GAK3",
    "water_depth": 213,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2055",
    "depth": 20.0,
    "PO4": 0.65,
    "SiOH4": 23.56,
    "NO3_NO2": 15.81,
    "NO2": 0.03,
    "NH4": 0.29,
    "NO3": 15.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1906, 59.5536] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "GAK3",
    "water_depth": 213,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2055",
    "depth": 30.0,
    "PO4": 0.74,
    "SiOH4": 23.04,
    "NO3_NO2": 15.71,
    "NO2": 0.05,
    "NH4": 0.38,
    "NO3": 15.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1906, 59.5536] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "GAK3",
    "water_depth": 213,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2055",
    "depth": 40.0,
    "PO4": 0.8,
    "SiOH4": 23.94,
    "NO3_NO2": 15.84,
    "NO2": 0.05,
    "NH4": 0.4,
    "NO3": 15.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1906, 59.5536] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "GAK3",
    "water_depth": 213,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2055",
    "depth": 50.0,
    "PO4": 0.83,
    "SiOH4": 24.5,
    "NO3_NO2": 18.05,
    "NO2": 0.16,
    "NH4": 0.44,
    "NO3": 17.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1906, 59.5536] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "GAK3",
    "water_depth": 213,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2055",
    "depth": 75.0,
    "PO4": 0.85,
    "SiOH4": 24.56,
    "NO3_NO2": 19.55,
    "NO2": 0.21,
    "NH4": 0.24,
    "NO3": 19.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1906, 59.5536] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "GAK3",
    "water_depth": 213,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2055",
    "depth": 100.0,
    "PO4": 0.94,
    "SiOH4": 25.29,
    "NO3_NO2": 20.4,
    "NO2": 0.12,
    "NH4": 0.18,
    "NO3": 20.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1906, 59.5536] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "GAK3",
    "water_depth": 213,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2055",
    "depth": 150.0,
    "PO4": 0.93,
    "SiOH4": 24.52,
    "NO3_NO2": 19.89,
    "NO2": 0.12,
    "NH4": 0.24,
    "NO3": 19.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1906, 59.5536] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "GAK3",
    "water_depth": 213,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2055",
    "depth": 209.0,
    "PO4": 0.96,
    "SiOH4": 26.49,
    "NO3_NO2": 20.99,
    "NO2": 0.11,
    "NH4": 0.2,
    "NO3": 20.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2633, 59.6269] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2210",
    "depth": 0.0,
    "PO4": null,
    "SiOH4": 24.22,
    "NO3_NO2": 15.02,
    "NO2": 0.03,
    "NH4": 0.23,
    "NO3": 14.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2633, 59.6269] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2210",
    "depth": 10.0,
    "PO4": null,
    "SiOH4": 24.2,
    "NO3_NO2": 15.08,
    "NO2": 0.05,
    "NH4": 0.01,
    "NO3": 15.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2633, 59.6269] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2210",
    "depth": 20.0,
    "PO4": null,
    "SiOH4": 24.35,
    "NO3_NO2": 15.38,
    "NO2": 0.05,
    "NH4": 0.01,
    "NO3": 15.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2633, 59.6269] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2210",
    "depth": 30.0,
    "PO4": null,
    "SiOH4": 24.42,
    "NO3_NO2": 16.56,
    "NO2": 0.08,
    "NH4": 0.02,
    "NO3": 16.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2633, 59.6269] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2210",
    "depth": 40.0,
    "PO4": 0.93,
    "SiOH4": 24.73,
    "NO3_NO2": 18.22,
    "NO2": 0.13,
    "NH4": 0.02,
    "NO3": 18.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2633, 59.6269] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2210",
    "depth": 50.0,
    "PO4": 0.91,
    "SiOH4": 25.13,
    "NO3_NO2": 19.65,
    "NO2": 0.21,
    "NH4": 0.0,
    "NO3": 19.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2633, 59.6269] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2210",
    "depth": 75.0,
    "PO4": 0.94,
    "SiOH4": 25.04,
    "NO3_NO2": 19.79,
    "NO2": 0.18,
    "NH4": 0.01,
    "NO3": 19.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2633, 59.6269] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2210",
    "depth": 100.0,
    "PO4": 1.0,
    "SiOH4": 25.27,
    "NO3_NO2": 20.49,
    "NO2": 0.1,
    "NH4": 0.01,
    "NO3": 20.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2633, 59.6269] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2210",
    "depth": 150.0,
    "PO4": 0.97,
    "SiOH4": 27.74,
    "NO3_NO2": 21.51,
    "NO2": 0.07,
    "NH4": 0.01,
    "NO3": 21.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2633, 59.6269] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2210",
    "depth": 209.0,
    "PO4": 1.06,
    "SiOH4": 27.56,
    "NO3_NO2": 21.81,
    "NO2": 0.18,
    "NH4": 0.08,
    "NO3": 21.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3306, 59.6926] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "GAK2",
    "water_depth": 228,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2300",
    "depth": 0.0,
    "PO4": 0.66,
    "SiOH4": 24.23,
    "NO3_NO2": 15.55,
    "NO2": 0.15,
    "NH4": 0.21,
    "NO3": 15.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3306, 59.6926] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "GAK2",
    "water_depth": 228,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2300",
    "depth": 10.0,
    "PO4": 0.62,
    "SiOH4": 24.21,
    "NO3_NO2": 15.69,
    "NO2": 0.15,
    "NH4": 0.13,
    "NO3": 15.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3306, 59.6926] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "GAK2",
    "water_depth": 228,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2300",
    "depth": 20.0,
    "PO4": 0.66,
    "SiOH4": 24.36,
    "NO3_NO2": 15.59,
    "NO2": 0.15,
    "NH4": 0.2,
    "NO3": 15.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3306, 59.6926] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "GAK2",
    "water_depth": 228,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2300",
    "depth": 30.0,
    "PO4": 0.7,
    "SiOH4": 24.34,
    "NO3_NO2": 16.29,
    "NO2": 0.17,
    "NH4": 0.28,
    "NO3": 16.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3306, 59.6926] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "GAK2",
    "water_depth": 228,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2300",
    "depth": 40.0,
    "PO4": 0.69,
    "SiOH4": 24.74,
    "NO3_NO2": 18.59,
    "NO2": 0.23,
    "NH4": 0.29,
    "NO3": 18.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3306, 59.6926] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "GAK2",
    "water_depth": 228,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2300",
    "depth": 50.0,
    "PO4": 0.76,
    "SiOH4": 25.81,
    "NO3_NO2": 20.18,
    "NO2": 0.33,
    "NH4": 0.19,
    "NO3": 19.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3306, 59.6926] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "GAK2",
    "water_depth": 228,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2300",
    "depth": 75.0,
    "PO4": 0.83,
    "SiOH4": 25.79,
    "NO3_NO2": 20.08,
    "NO2": 0.31,
    "NH4": 0.15,
    "NO3": 19.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3306, 59.6926] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "GAK2",
    "water_depth": 228,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2300",
    "depth": 100.0,
    "PO4": 0.91,
    "SiOH4": 25.61,
    "NO3_NO2": 20.38,
    "NO2": 0.3,
    "NH4": 0.15,
    "NO3": 20.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3306, 59.6926] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "GAK2",
    "water_depth": 228,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2300",
    "depth": 150.0,
    "PO4": 0.86,
    "SiOH4": 24.76,
    "NO3_NO2": 20.12,
    "NO2": 0.19,
    "NH4": 0.18,
    "NO3": 19.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3306, 59.6926] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "GAK2",
    "water_depth": 228,
    "month_gmt": "5",
    "day_gmt": "09",
    "time_gmt": "2300",
    "depth": 227.0,
    "PO4": 0.88,
    "SiOH4": 26.66,
    "NO3_NO2": 20.9,
    "NO2": 0.16,
    "NH4": 0.24,
    "NO3": 20.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3996, 59.7665] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "GAK1I",
    "water_depth": 261,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "0002",
    "depth": 0.0,
    "PO4": null,
    "SiOH4": 19.66,
    "NO3_NO2": 11.32,
    "NO2": 0.13,
    "NH4": 0.2,
    "NO3": 11.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3996, 59.7665] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "GAK1I",
    "water_depth": 261,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "0002",
    "depth": 10.0,
    "PO4": 0.65,
    "SiOH4": 19.41,
    "NO3_NO2": 11.28,
    "NO2": 0.16,
    "NH4": 0.25,
    "NO3": 11.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3996, 59.7665] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "GAK1I",
    "water_depth": 261,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "0002",
    "depth": 20.0,
    "PO4": 0.68,
    "SiOH4": 19.57,
    "NO3_NO2": 12.53,
    "NO2": 0.18,
    "NH4": 0.82,
    "NO3": 12.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3996, 59.7665] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "GAK1I",
    "water_depth": 261,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "0002",
    "depth": 30.0,
    "PO4": 0.7,
    "SiOH4": 21.98,
    "NO3_NO2": 14.49,
    "NO2": 0.21,
    "NH4": 0.36,
    "NO3": 14.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3996, 59.7665] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "GAK1I",
    "water_depth": 261,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "0002",
    "depth": 40.0,
    "PO4": 0.74,
    "SiOH4": 23.8,
    "NO3_NO2": 15.89,
    "NO2": 0.21,
    "NH4": 0.22,
    "NO3": 15.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3996, 59.7665] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "GAK1I",
    "water_depth": 261,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "0002",
    "depth": 50.0,
    "PO4": 0.79,
    "SiOH4": 22.72,
    "NO3_NO2": 15.05,
    "NO2": 0.2,
    "NH4": 0.59,
    "NO3": 14.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3996, 59.7665] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "GAK1I",
    "water_depth": 261,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "0002",
    "depth": 75.0,
    "PO4": 0.84,
    "SiOH4": 24.7,
    "NO3_NO2": 17.81,
    "NO2": 0.23,
    "NH4": 0.56,
    "NO3": 17.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3996, 59.7665] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "GAK1I",
    "water_depth": 261,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "0002",
    "depth": 100.0,
    "PO4": 0.88,
    "SiOH4": 25.45,
    "NO3_NO2": 19.22,
    "NO2": 0.31,
    "NH4": 0.14,
    "NO3": 18.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3996, 59.7665] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "GAK1I",
    "water_depth": 261,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "0002",
    "depth": 150.0,
    "PO4": 0.95,
    "SiOH4": 25.11,
    "NO3_NO2": 20.22,
    "NO2": 0.3,
    "NH4": 0.02,
    "NO3": 19.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3996, 59.7665] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "GAK1I",
    "water_depth": 261,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "0002",
    "depth": 255.0,
    "PO4": 1.01,
    "SiOH4": 26.85,
    "NO3_NO2": 21.46,
    "NO2": 0.11,
    "NH4": 0.08,
    "NO3": 21.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.468, 59.8457] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "0104",
    "depth": 0.0,
    "PO4": null,
    "SiOH4": 15.48,
    "NO3_NO2": 8.7,
    "NO2": 0.16,
    "NH4": 0.79,
    "NO3": 8.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.468, 59.8457] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "0104",
    "depth": 10.0,
    "PO4": null,
    "SiOH4": 15.64,
    "NO3_NO2": 8.74,
    "NO2": 0.19,
    "NH4": 0.76,
    "NO3": 8.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.468, 59.8457] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "0104",
    "depth": 20.0,
    "PO4": 0.69,
    "SiOH4": 15.47,
    "NO3_NO2": 8.14,
    "NO2": 0.18,
    "NH4": 1.12,
    "NO3": 7.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.468, 59.8457] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "0104",
    "depth": 30.0,
    "PO4": 0.69,
    "SiOH4": 16.46,
    "NO3_NO2": 9.87,
    "NO2": 0.18,
    "NH4": 1.34,
    "NO3": 9.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.468, 59.8457] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "0104",
    "depth": 40.0,
    "PO4": 0.66,
    "SiOH4": 17.95,
    "NO3_NO2": 12.31,
    "NO2": 0.18,
    "NH4": 1.21,
    "NO3": 12.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.468, 59.8457] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "0104",
    "depth": 50.0,
    "PO4": 0.72,
    "SiOH4": 18.69,
    "NO3_NO2": 13.07,
    "NO2": 0.15,
    "NH4": 1.18,
    "NO3": 12.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.468, 59.8457] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "0104",
    "depth": 100.0,
    "PO4": 0.71,
    "SiOH4": 22.26,
    "NO3_NO2": 16.87,
    "NO2": 0.17,
    "NH4": 0.9,
    "NO3": 16.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.468, 59.8457] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "0104",
    "depth": 150.0,
    "PO4": 0.77,
    "SiOH4": 23.91,
    "NO3_NO2": 19.31,
    "NO2": 0.12,
    "NH4": 0.27,
    "NO3": 19.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.468, 59.8457] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "0104",
    "depth": 200.0,
    "PO4": 0.9,
    "SiOH4": 25.4,
    "NO3_NO2": 19.92,
    "NO2": 0.09,
    "NH4": 0.14,
    "NO3": 19.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.468, 59.8457] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "0104",
    "depth": 269.0,
    "PO4": 0.99,
    "SiOH4": 27.81,
    "NO3_NO2": 20.92,
    "NO2": 0.06,
    "NH4": 0.34,
    "NO3": 20.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9892, 60.2789] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "KIP2",
    "water_depth": 557,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1347",
    "depth": 0.0,
    "PO4": 0.29,
    "SiOH4": 1.61,
    "NO3_NO2": 0.64,
    "NO2": 0.0,
    "NH4": 0.01,
    "NO3": 0.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9892, 60.2789] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "KIP2",
    "water_depth": 557,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1347",
    "depth": 10.0,
    "PO4": 0.42,
    "SiOH4": 1.8,
    "NO3_NO2": 0.94,
    "NO2": 0.16,
    "NH4": 0.03,
    "NO3": 0.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9892, 60.2789] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "KIP2",
    "water_depth": 557,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1347",
    "depth": 20.0,
    "PO4": 0.63,
    "SiOH4": 6.85,
    "NO3_NO2": 6.03,
    "NO2": 0.51,
    "NH4": 1.63,
    "NO3": 5.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9892, 60.2789] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "KIP2",
    "water_depth": 557,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1347",
    "depth": 30.0,
    "PO4": 0.92,
    "SiOH4": 13.04,
    "NO3_NO2": 11.56,
    "NO2": 0.6,
    "NH4": 2.71,
    "NO3": 10.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9892, 60.2789] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "KIP2",
    "water_depth": 557,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1347",
    "depth": 40.0,
    "PO4": 1.06,
    "SiOH4": 16.41,
    "NO3_NO2": 14.77,
    "NO2": 0.74,
    "NH4": 2.22,
    "NO3": 14.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9892, 60.2789] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "KIP2",
    "water_depth": 557,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1347",
    "depth": 50.0,
    "PO4": 1.2,
    "SiOH4": 18.81,
    "NO3_NO2": 17.21,
    "NO2": 0.81,
    "NH4": 1.77,
    "NO3": 16.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9892, 60.2789] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "KIP2",
    "water_depth": 557,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1347",
    "depth": 75.0,
    "PO4": 1.27,
    "SiOH4": 20.77,
    "NO3_NO2": 19.48,
    "NO2": 0.83,
    "NH4": 0.96,
    "NO3": 18.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9892, 60.2789] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "KIP2",
    "water_depth": 557,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1347",
    "depth": 100.0,
    "PO4": 1.26,
    "SiOH4": 21.05,
    "NO3_NO2": 20.12,
    "NO2": 0.95,
    "NH4": 0.58,
    "NO3": 19.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9892, 60.2789] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "KIP2",
    "water_depth": 557,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1347",
    "depth": 250.0,
    "PO4": 1.49,
    "SiOH4": 27.51,
    "NO3_NO2": 25.14,
    "NO2": 0.53,
    "NH4": 0.42,
    "NO3": 24.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9892, 60.2789] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "KIP2",
    "water_depth": 557,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1347",
    "depth": 546.0,
    "PO4": 1.85,
    "SiOH4": 34.15,
    "NO3_NO2": 29.89,
    "NO2": 0.24,
    "NH4": 0.38,
    "NO3": 29.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6995, 60.1935] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "HB1",
    "water_depth": 250,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1548",
    "depth": 0.0,
    "PO4": 0.31,
    "SiOH4": 2.69,
    "NO3_NO2": 2.4,
    "NO2": 0.18,
    "NH4": 1.26,
    "NO3": 2.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6995, 60.1935] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "HB1",
    "water_depth": 250,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1548",
    "depth": 10.0,
    "PO4": 0.43,
    "SiOH4": 2.82,
    "NO3_NO2": 2.32,
    "NO2": 0.4,
    "NH4": 0.64,
    "NO3": 1.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6995, 60.1935] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "HB1",
    "water_depth": 250,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1548",
    "depth": 20.0,
    "PO4": 0.46,
    "SiOH4": 2.59,
    "NO3_NO2": 2.34,
    "NO2": 0.33,
    "NH4": 1.02,
    "NO3": 2.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6995, 60.1935] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "HB1",
    "water_depth": 250,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1548",
    "depth": 30.0,
    "PO4": 0.48,
    "SiOH4": 3.96,
    "NO3_NO2": 4.93,
    "NO2": 0.64,
    "NH4": 2.16,
    "NO3": 4.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6995, 60.1935] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "HB1",
    "water_depth": 250,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1548",
    "depth": 40.0,
    "PO4": 0.76,
    "SiOH4": 9.29,
    "NO3_NO2": 11.49,
    "NO2": 0.49,
    "NH4": 2.46,
    "NO3": 11.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6995, 60.1935] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "HB1",
    "water_depth": 250,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1548",
    "depth": 50.0,
    "PO4": 0.97,
    "SiOH4": 18.6,
    "NO3_NO2": 18.65,
    "NO2": 0.45,
    "NH4": 1.36,
    "NO3": 18.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6995, 60.1935] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "HB1",
    "water_depth": 250,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1548",
    "depth": 75.0,
    "PO4": 1.18,
    "SiOH4": 22.17,
    "NO3_NO2": 20.95,
    "NO2": 0.45,
    "NH4": 1.15,
    "NO3": 20.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6995, 60.1935] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "HB1",
    "water_depth": 250,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1548",
    "depth": 100.0,
    "PO4": 1.18,
    "SiOH4": 22.39,
    "NO3_NO2": 20.97,
    "NO2": 0.41,
    "NH4": 0.95,
    "NO3": 20.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6995, 60.1935] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "HB1",
    "water_depth": 250,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1548",
    "depth": 150.0,
    "PO4": 1.23,
    "SiOH4": 24.9,
    "NO3_NO2": 23.46,
    "NO2": 0.4,
    "NH4": 0.69,
    "NO3": 21.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6995, 60.1935] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "HB1",
    "water_depth": 250,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1548",
    "depth": 240.0,
    "PO4": 1.38,
    "SiOH4": 27.06,
    "NO3_NO2": 28.73,
    "NO2": 0.57,
    "NH4": 0.65,
    "NO3": 28.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6398, 60.1808] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "HB2",
    "water_depth": 171,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1620",
    "depth": 0.0,
    "PO4": 0.35,
    "SiOH4": 6.97,
    "NO3_NO2": 4.87,
    "NO2": 0.22,
    "NH4": 1.48,
    "NO3": 4.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6398, 60.1808] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "HB2",
    "water_depth": 171,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1620",
    "depth": 10.0,
    "PO4": 0.53,
    "SiOH4": 7.89,
    "NO3_NO2": 5.29,
    "NO2": 0.1,
    "NH4": 1.71,
    "NO3": 5.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6398, 60.1808] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "HB2",
    "water_depth": 171,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1620",
    "depth": 20.0,
    "PO4": 0.54,
    "SiOH4": 7.76,
    "NO3_NO2": 6.3,
    "NO2": 0.21,
    "NH4": 1.91,
    "NO3": 6.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6398, 60.1808] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "HB2",
    "water_depth": 171,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1620",
    "depth": 30.0,
    "PO4": 0.72,
    "SiOH4": 15.12,
    "NO3_NO2": 13.75,
    "NO2": 0.22,
    "NH4": 1.07,
    "NO3": 13.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6398, 60.1808] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "HB2",
    "water_depth": 171,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1620",
    "depth": 40.0,
    "PO4": 0.95,
    "SiOH4": 18.87,
    "NO3_NO2": 17.93,
    "NO2": 0.27,
    "NH4": 1.24,
    "NO3": 17.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6398, 60.1808] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "HB2",
    "water_depth": 171,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1620",
    "depth": 50.0,
    "PO4": 1.02,
    "SiOH4": 16.0,
    "NO3_NO2": 17.06,
    "NO2": 0.31,
    "NH4": 1.4,
    "NO3": 16.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6398, 60.1808] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "HB2",
    "water_depth": 171,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1620",
    "depth": 75.0,
    "PO4": 1.09,
    "SiOH4": 19.3,
    "NO3_NO2": 19.56,
    "NO2": 0.29,
    "NH4": 1.06,
    "NO3": 19.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6398, 60.1808] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "HB2",
    "water_depth": 171,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1620",
    "depth": 100.0,
    "PO4": 1.13,
    "SiOH4": 21.02,
    "NO3_NO2": 21.16,
    "NO2": 0.24,
    "NH4": 1.7,
    "NO3": 20.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6398, 60.1808] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "HB2",
    "water_depth": 171,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1620",
    "depth": 175.0,
    "PO4": 1.33,
    "SiOH4": 26.89,
    "NO3_NO2": 27.03,
    "NO2": 0.17,
    "NH4": 0.04,
    "NO3": 26.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5758, 60.1661] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "HB3",
    "water_depth": 89,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1706",
    "depth": 0.0,
    "PO4": 0.28,
    "SiOH4": 3.84,
    "NO3_NO2": 4.56,
    "NO2": 0.15,
    "NH4": 0.6,
    "NO3": 4.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5758, 60.1661] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "HB3",
    "water_depth": 89,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1706",
    "depth": 10.0,
    "PO4": 0.34,
    "SiOH4": 4.06,
    "NO3_NO2": 4.66,
    "NO2": 0.13,
    "NH4": 0.58,
    "NO3": 4.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5758, 60.1661] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "HB3",
    "water_depth": 89,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1706",
    "depth": 20.0,
    "PO4": 0.45,
    "SiOH4": 4.27,
    "NO3_NO2": 4.85,
    "NO2": 0.13,
    "NH4": 0.63,
    "NO3": 4.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5758, 60.1661] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "HB3",
    "water_depth": 89,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1706",
    "depth": 30.0,
    "PO4": 0.53,
    "SiOH4": 7.67,
    "NO3_NO2": 9.02,
    "NO2": 0.13,
    "NH4": 1.16,
    "NO3": 8.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5758, 60.1661] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "HB3",
    "water_depth": 89,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1706",
    "depth": 40.0,
    "PO4": 0.64,
    "SiOH4": 11.33,
    "NO3_NO2": 13.18,
    "NO2": 0.15,
    "NH4": 1.49,
    "NO3": 13.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5758, 60.1661] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "HB3",
    "water_depth": 89,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1706",
    "depth": 40.0,
    "PO4": 0.86,
    "SiOH4": 12.26,
    "NO3_NO2": 13.97,
    "NO2": 0.2,
    "NH4": 1.53,
    "NO3": 13.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5758, 60.1661] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "HB3",
    "water_depth": 89,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1706",
    "depth": 50.0,
    "PO4": 1.03,
    "SiOH4": 16.62,
    "NO3_NO2": 18.33,
    "NO2": 0.23,
    "NH4": 1.41,
    "NO3": 18.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5758, 60.1661] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "HB3",
    "water_depth": 89,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1706",
    "depth": 81.0,
    "PO4": 1.02,
    "SiOH4": 18.08,
    "NO3_NO2": 19.82,
    "NO2": 0.48,
    "NH4": 1.28,
    "NO3": 19.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5028, 60.1496] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "HB4",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1732",
    "depth": 0.0,
    "PO4": 0.39,
    "SiOH4": 5.23,
    "NO3_NO2": 5.55,
    "NO2": 0.05,
    "NH4": 0.46,
    "NO3": 5.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5028, 60.1496] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "HB4",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1732",
    "depth": 10.0,
    "PO4": 0.48,
    "SiOH4": 5.71,
    "NO3_NO2": 6.54,
    "NO2": 0.26,
    "NH4": 0.94,
    "NO3": 6.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5028, 60.1496] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "HB4",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1732",
    "depth": 20.0,
    "PO4": 0.5,
    "SiOH4": 5.84,
    "NO3_NO2": 6.04,
    "NO2": 0.15,
    "NH4": 0.81,
    "NO3": 5.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5028, 60.1496] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "HB4",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1732",
    "depth": 30.0,
    "PO4": 0.59,
    "SiOH4": 10.39,
    "NO3_NO2": 10.9,
    "NO2": 0.13,
    "NH4": 1.97,
    "NO3": 10.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5028, 60.1496] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "HB4",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1732",
    "depth": 40.0,
    "PO4": 0.79,
    "SiOH4": 15.64,
    "NO3_NO2": 16.45,
    "NO2": 0.15,
    "NH4": 1.56,
    "NO3": 16.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5028, 60.1496] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "HB4",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1732",
    "depth": 50.0,
    "PO4": 0.91,
    "SiOH4": 18.15,
    "NO3_NO2": 18.63,
    "NO2": 0.28,
    "NH4": 1.24,
    "NO3": 18.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5028, 60.1496] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "HB4",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1732",
    "depth": 75.0,
    "PO4": 1.04,
    "SiOH4": 19.69,
    "NO3_NO2": 19.52,
    "NO2": 0.33,
    "NH4": 1.72,
    "NO3": 19.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5028, 60.1496] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "HB4",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1732",
    "depth": 97.0,
    "PO4": 1.16,
    "SiOH4": 21.59,
    "NO3_NO2": 20.91,
    "NO2": 0.26,
    "NH4": 2.25,
    "NO3": 20.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4476, 60.1335] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 46,
    "stn_id": "HB5",
    "water_depth": 40,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1759",
    "depth": 0.0,
    "PO4": 0.63,
    "SiOH4": 3.44,
    "NO3_NO2": 4.55,
    "NO2": 0.07,
    "NH4": 0.57,
    "NO3": 4.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4476, 60.1335] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 46,
    "stn_id": "HB5",
    "water_depth": 40,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1759",
    "depth": 10.0,
    "PO4": 0.62,
    "SiOH4": 5.56,
    "NO3_NO2": 6.13,
    "NO2": 0.15,
    "NH4": 0.63,
    "NO3": 5.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4476, 60.1335] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 46,
    "stn_id": "HB5",
    "water_depth": 40,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1759",
    "depth": 20.0,
    "PO4": 0.75,
    "SiOH4": 14.62,
    "NO3_NO2": 15.24,
    "NO2": 0.25,
    "NH4": 1.09,
    "NO3": 14.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4476, 60.1335] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 46,
    "stn_id": "HB5",
    "water_depth": 40,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "1759",
    "depth": 37.0,
    "PO4": 1.15,
    "SiOH4": 17.49,
    "NO3_NO2": 17.31,
    "NO2": 0.27,
    "NH4": 0.96,
    "NO3": 17.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.499, 60.7416] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "NI4",
    "water_depth": 235,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2210",
    "depth": 0.0,
    "PO4": 0.75,
    "SiOH4": 1.92,
    "NO3_NO2": 0.19,
    "NO2": 0.03,
    "NH4": 0.0,
    "NO3": 0.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.499, 60.7416] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "NI4",
    "water_depth": 235,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2210",
    "depth": 10.0,
    "PO4": 0.65,
    "SiOH4": 8.33,
    "NO3_NO2": 4.74,
    "NO2": 0.09,
    "NH4": 0.61,
    "NO3": 4.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.499, 60.7416] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "NI4",
    "water_depth": 235,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2210",
    "depth": 20.0,
    "PO4": 0.69,
    "SiOH4": 16.81,
    "NO3_NO2": 12.75,
    "NO2": 0.13,
    "NH4": 2.24,
    "NO3": 12.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.499, 60.7416] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "NI4",
    "water_depth": 235,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2210",
    "depth": 30.0,
    "PO4": 0.96,
    "SiOH4": 19.1,
    "NO3_NO2": 14.92,
    "NO2": 0.11,
    "NH4": 2.3,
    "NO3": 14.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.499, 60.7416] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "NI4",
    "water_depth": 235,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2210",
    "depth": 40.0,
    "PO4": 1.14,
    "SiOH4": 21.39,
    "NO3_NO2": 18.18,
    "NO2": 0.1,
    "NH4": 0.86,
    "NO3": 18.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.499, 60.7416] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "NI4",
    "water_depth": 235,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2210",
    "depth": 50.0,
    "PO4": 1.25,
    "SiOH4": 21.15,
    "NO3_NO2": 19.26,
    "NO2": 0.08,
    "NH4": 0.66,
    "NO3": 19.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.499, 60.7416] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "NI4",
    "water_depth": 235,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2210",
    "depth": 75.0,
    "PO4": 1.24,
    "SiOH4": 22.88,
    "NO3_NO2": 20.44,
    "NO2": 0.07,
    "NH4": 0.64,
    "NO3": 20.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.499, 60.7416] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "NI4",
    "water_depth": 235,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2210",
    "depth": 100.0,
    "PO4": 1.37,
    "SiOH4": 22.73,
    "NO3_NO2": 20.93,
    "NO2": 0.08,
    "NH4": 0.43,
    "NO3": 20.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.499, 60.7416] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "NI4",
    "water_depth": 235,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2210",
    "depth": 150.0,
    "PO4": 1.53,
    "SiOH4": 24.17,
    "NO3_NO2": 22.6,
    "NO2": 0.01,
    "NH4": 0.34,
    "NO3": 22.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.499, 60.7416] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "NI4",
    "water_depth": 235,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2210",
    "depth": 240.0,
    "PO4": 1.57,
    "SiOH4": 29.09,
    "NO3_NO2": 27.55,
    "NO2": 0.01,
    "NH4": 0.01,
    "NO3": 27.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5303, 60.7735] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "NI3",
    "water_depth": 521,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2244",
    "depth": 0.0,
    "PO4": 0.8,
    "SiOH4": 1.29,
    "NO3_NO2": 0.03,
    "NO2": 0.01,
    "NH4": 0.04,
    "NO3": 0.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5303, 60.7735] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "NI3",
    "water_depth": 521,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2244",
    "depth": 10.0,
    "PO4": 0.56,
    "SiOH4": 1.23,
    "NO3_NO2": 0.03,
    "NO2": 0.01,
    "NH4": 0.0,
    "NO3": 0.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5303, 60.7735] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "NI3",
    "water_depth": 521,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2244",
    "depth": 20.0,
    "PO4": 0.43,
    "SiOH4": 12.62,
    "NO3_NO2": 9.88,
    "NO2": 0.05,
    "NH4": 0.8,
    "NO3": 9.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5303, 60.7735] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "NI3",
    "water_depth": 521,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2244",
    "depth": 30.0,
    "PO4": 0.58,
    "SiOH4": 20.25,
    "NO3_NO2": 17.6,
    "NO2": 0.01,
    "NH4": 0.9,
    "NO3": 17.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5303, 60.7735] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "NI3",
    "water_depth": 521,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2244",
    "depth": 40.0,
    "PO4": 0.91,
    "SiOH4": 21.04,
    "NO3_NO2": 19.18,
    "NO2": 0.0,
    "NH4": 0.48,
    "NO3": 19.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5303, 60.7735] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "NI3",
    "water_depth": 521,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2244",
    "depth": 50.0,
    "PO4": 1.18,
    "SiOH4": 21.92,
    "NO3_NO2": 20.85,
    "NO2": 0.0,
    "NH4": 0.56,
    "NO3": 20.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5303, 60.7735] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "NI3",
    "water_depth": 521,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2244",
    "depth": 75.0,
    "PO4": 1.34,
    "SiOH4": 22.34,
    "NO3_NO2": 21.84,
    "NO2": 0.01,
    "NH4": 0.24,
    "NO3": 21.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5303, 60.7735] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "NI3",
    "water_depth": 521,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2244",
    "depth": 100.0,
    "PO4": 1.31,
    "SiOH4": 22.66,
    "NO3_NO2": 22.32,
    "NO2": 0.12,
    "NH4": 0.01,
    "NO3": 22.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5303, 60.7735] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "NI3",
    "water_depth": 521,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2244",
    "depth": 250.0,
    "PO4": 1.41,
    "SiOH4": 27.29,
    "NO3_NO2": 27.27,
    "NO2": 0.03,
    "NH4": 0.02,
    "NO3": 27.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5303, 60.7735] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "NI3",
    "water_depth": 521,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2244",
    "depth": 520.0,
    "PO4": 1.67,
    "SiOH4": 44.21,
    "NO3_NO2": 40.93,
    "NO2": 0.04,
    "NH4": 0.23,
    "NO3": 40.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5679, 60.8096] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "NI2",
    "water_depth": 501,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2340",
    "depth": 0.0,
    "PO4": 0.69,
    "SiOH4": 1.95,
    "NO3_NO2": 1.06,
    "NO2": 0.0,
    "NH4": 0.01,
    "NO3": 1.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5679, 60.8096] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "NI2",
    "water_depth": 501,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2340",
    "depth": 10.0,
    "PO4": 0.58,
    "SiOH4": 1.75,
    "NO3_NO2": 0.91,
    "NO2": 0.01,
    "NH4": 0.0,
    "NO3": 0.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5679, 60.8096] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "NI2",
    "water_depth": 501,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2340",
    "depth": 20.0,
    "PO4": 0.5,
    "SiOH4": 7.74,
    "NO3_NO2": 6.77,
    "NO2": 0.13,
    "NH4": 0.7,
    "NO3": 6.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5679, 60.8096] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "NI2",
    "water_depth": 501,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2340",
    "depth": 30.0,
    "PO4": 0.62,
    "SiOH4": 18.88,
    "NO3_NO2": 15.02,
    "NO2": 0.18,
    "NH4": 0.99,
    "NO3": 14.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5679, 60.8096] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "NI2",
    "water_depth": 501,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2340",
    "depth": 40.0,
    "PO4": 1.03,
    "SiOH4": 20.46,
    "NO3_NO2": 15.92,
    "NO2": 0.17,
    "NH4": 1.17,
    "NO3": 15.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5679, 60.8096] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "NI2",
    "water_depth": 501,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2340",
    "depth": 50.0,
    "PO4": 1.23,
    "SiOH4": 21.29,
    "NO3_NO2": 16.58,
    "NO2": 0.16,
    "NH4": 0.56,
    "NO3": 16.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5679, 60.8096] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "NI2",
    "water_depth": 501,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2340",
    "depth": 75.0,
    "PO4": 1.41,
    "SiOH4": 21.56,
    "NO3_NO2": 17.31,
    "NO2": 0.16,
    "NH4": 0.0,
    "NO3": 17.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5679, 60.8096] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "NI2",
    "water_depth": 501,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2340",
    "depth": 100.0,
    "PO4": 1.32,
    "SiOH4": 22.29,
    "NO3_NO2": 18.37,
    "NO2": 0.15,
    "NH4": 0.02,
    "NO3": 18.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5679, 60.8096] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "NI2",
    "water_depth": 501,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2340",
    "depth": 250.0,
    "PO4": 1.42,
    "SiOH4": 28.09,
    "NO3_NO2": 15.26,
    "NO2": 0.04,
    "NH4": 0.01,
    "NO3": 15.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5679, 60.8096] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "NI2",
    "water_depth": 501,
    "month_gmt": "5",
    "day_gmt": "10",
    "time_gmt": "2340",
    "depth": 490.0,
    "PO4": 2.12,
    "SiOH4": 45.52,
    "NO3_NO2": 33.92,
    "NO2": 0.06,
    "NH4": 0.0,
    "NO3": 33.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5978, 60.8417] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "NI1",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "0114",
    "depth": 0.0,
    "PO4": 0.02,
    "SiOH4": 6.31,
    "NO3_NO2": 2.5,
    "NO2": 0.11,
    "NH4": 0.71,
    "NO3": 2.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5978, 60.8417] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "NI1",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "0114",
    "depth": 10.0,
    "PO4": 0.01,
    "SiOH4": 7.99,
    "NO3_NO2": 10.03,
    "NO2": 0.13,
    "NH4": 2.13,
    "NO3": 9.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5978, 60.8417] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "NI1",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "0114",
    "depth": 20.0,
    "PO4": null,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": null,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5978, 60.8417] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "NI1",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "0114",
    "depth": 30.0,
    "PO4": 0.26,
    "SiOH4": 17.8,
    "NO3_NO2": 13.98,
    "NO2": 0.21,
    "NH4": 1.75,
    "NO3": 13.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5978, 60.8417] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "NI1",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "0114",
    "depth": 40.0,
    "PO4": 0.77,
    "SiOH4": 19.2,
    "NO3_NO2": 14.16,
    "NO2": 0.18,
    "NH4": 1.48,
    "NO3": 13.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5978, 60.8417] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "NI1",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "0114",
    "depth": 50.0,
    "PO4": 1.11,
    "SiOH4": 19.46,
    "NO3_NO2": 15.46,
    "NO2": 0.18,
    "NH4": 1.22,
    "NO3": 15.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5978, 60.8417] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "NI1",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "0114",
    "depth": 75.0,
    "PO4": 1.28,
    "SiOH4": 20.57,
    "NO3_NO2": 16.99,
    "NO2": 0.2,
    "NH4": 0.74,
    "NO3": 16.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5978, 60.8417] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "NI1",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "0114",
    "depth": 100.0,
    "PO4": 1.29,
    "SiOH4": 21.31,
    "NO3_NO2": 18.13,
    "NO2": 0.16,
    "NH4": 0.32,
    "NO3": 17.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5978, 60.8417] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "NI1",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "0114",
    "depth": 175.0,
    "PO4": 1.34,
    "SiOH4": 22.8,
    "NO3_NO2": 18.94,
    "NO2": 0.11,
    "NH4": 0.35,
    "NO3": 18.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2918, 60.519] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "NJ1",
    "water_depth": 533,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "0416",
    "depth": 0.0,
    "PO4": 0.61,
    "SiOH4": 1.33,
    "NO3_NO2": 2.24,
    "NO2": 0.14,
    "NH4": 0.0,
    "NO3": 2.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2918, 60.519] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "NJ1",
    "water_depth": 533,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "0416",
    "depth": 10.0,
    "PO4": 0.55,
    "SiOH4": 2.14,
    "NO3_NO2": 3.33,
    "NO2": 0.17,
    "NH4": 0.53,
    "NO3": 3.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2918, 60.519] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "NJ1",
    "water_depth": 533,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "0416",
    "depth": 20.0,
    "PO4": 0.55,
    "SiOH4": 11.67,
    "NO3_NO2": 15.01,
    "NO2": 0.32,
    "NH4": 2.18,
    "NO3": 14.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2918, 60.519] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "NJ1",
    "water_depth": 533,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "0416",
    "depth": 30.0,
    "PO4": 0.92,
    "SiOH4": 20.73,
    "NO3_NO2": 22.93,
    "NO2": 0.36,
    "NH4": 1.14,
    "NO3": 22.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2918, 60.519] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "NJ1",
    "water_depth": 533,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "0416",
    "depth": 40.0,
    "PO4": 1.31,
    "SiOH4": 22.48,
    "NO3_NO2": 24.51,
    "NO2": 0.29,
    "NH4": 0.63,
    "NO3": 24.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2918, 60.519] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "NJ1",
    "water_depth": 533,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "0416",
    "depth": 50.0,
    "PO4": 1.44,
    "SiOH4": 22.82,
    "NO3_NO2": 24.3,
    "NO2": 0.23,
    "NH4": 0.44,
    "NO3": 24.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2918, 60.519] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "NJ1",
    "water_depth": 533,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "0416",
    "depth": 100.0,
    "PO4": 1.48,
    "SiOH4": 22.51,
    "NO3_NO2": 23.8,
    "NO2": 0.21,
    "NH4": 0.3,
    "NO3": 23.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2918, 60.519] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "NJ1",
    "water_depth": 533,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "0416",
    "depth": 250.0,
    "PO4": 1.58,
    "SiOH4": 29.79,
    "NO3_NO2": 30.73,
    "NO2": 0.26,
    "NH4": 0.39,
    "NO3": 30.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2918, 60.519] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "NJ1",
    "water_depth": 533,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "0416",
    "depth": 518.0,
    "PO4": 1.83,
    "SiOH4": 43.91,
    "NO3_NO2": 41.42,
    "NO2": 0.68,
    "NH4": 0.19,
    "NO3": 40.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8305, 59.9195] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "MS4",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1319",
    "depth": 0.0,
    "PO4": 0.71,
    "SiOH4": 3.71,
    "NO3_NO2": 7.87,
    "NO2": 0.15,
    "NH4": 1.47,
    "NO3": 7.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8305, 59.9195] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "MS4",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1319",
    "depth": 10.0,
    "PO4": 0.72,
    "SiOH4": 4.04,
    "NO3_NO2": 7.91,
    "NO2": 0.17,
    "NH4": 1.71,
    "NO3": 7.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8305, 59.9195] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "MS4",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1319",
    "depth": 20.0,
    "PO4": 0.78,
    "SiOH4": 5.22,
    "NO3_NO2": 8.75,
    "NO2": 0.17,
    "NH4": 1.91,
    "NO3": 8.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8305, 59.9195] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "MS4",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1319",
    "depth": 30.0,
    "PO4": 0.9,
    "SiOH4": 6.68,
    "NO3_NO2": 9.59,
    "NO2": 0.2,
    "NH4": 1.96,
    "NO3": 9.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8305, 59.9195] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "MS4",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1319",
    "depth": 40.0,
    "PO4": 0.88,
    "SiOH4": 9.54,
    "NO3_NO2": 11.51,
    "NO2": 0.19,
    "NH4": 2.38,
    "NO3": 11.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8305, 59.9195] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "MS4",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1319",
    "depth": 50.0,
    "PO4": 1.05,
    "SiOH4": 14.19,
    "NO3_NO2": 14.33,
    "NO2": 0.22,
    "NH4": 2.45,
    "NO3": 14.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8305, 59.9195] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "MS4",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1319",
    "depth": 96.0,
    "PO4": 1.01,
    "SiOH4": 24.09,
    "NO3_NO2": 23.39,
    "NO2": 0.22,
    "NH4": 1.63,
    "NO3": 23.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8549, 59.9321] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "MS3",
    "water_depth": 160,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1342",
    "depth": 10.0,
    "PO4": null,
    "SiOH4": 3.8,
    "NO3_NO2": 6.69,
    "NO2": 0.16,
    "NH4": 2.17,
    "NO3": 6.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8549, 59.9321] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "MS3",
    "water_depth": 160,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1342",
    "depth": 20.0,
    "PO4": null,
    "SiOH4": 3.57,
    "NO3_NO2": 6.73,
    "NO2": 0.19,
    "NH4": 2.12,
    "NO3": 6.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8549, 59.9321] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "MS3",
    "water_depth": 160,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1342",
    "depth": 30.0,
    "PO4": 0.92,
    "SiOH4": 6.25,
    "NO3_NO2": 7.07,
    "NO2": 0.16,
    "NH4": 2.29,
    "NO3": 6.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8549, 59.9321] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "MS3",
    "water_depth": 160,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1342",
    "depth": 40.0,
    "PO4": 0.91,
    "SiOH4": 17.46,
    "NO3_NO2": 14.65,
    "NO2": 0.21,
    "NH4": 2.5,
    "NO3": 14.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8549, 59.9321] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "MS3",
    "water_depth": 160,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1342",
    "depth": 50.0,
    "PO4": 1.04,
    "SiOH4": 20.41,
    "NO3_NO2": 17.26,
    "NO2": 0.21,
    "NH4": 1.99,
    "NO3": 17.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8549, 59.9321] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "MS3",
    "water_depth": 160,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1342",
    "depth": 75.0,
    "PO4": 1.02,
    "SiOH4": 23.65,
    "NO3_NO2": 20.18,
    "NO2": 0.21,
    "NH4": 1.43,
    "NO3": 19.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8549, 59.9321] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "MS3",
    "water_depth": 160,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1342",
    "depth": 100.0,
    "PO4": 1.42,
    "SiOH4": 26.71,
    "NO3_NO2": 23.49,
    "NO2": 0.2,
    "NH4": 0.66,
    "NO3": 23.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8549, 59.9321] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "MS3",
    "water_depth": 160,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1342",
    "depth": 154.0,
    "PO4": 1.59,
    "SiOH4": 28.82,
    "NO3_NO2": 25.02,
    "NO2": 0.18,
    "NH4": 0.22,
    "NO3": 24.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8796, 59.9433] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "MS2",
    "water_depth": 199,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1406",
    "depth": 0.0,
    "PO4": 0.99,
    "SiOH4": 4.45,
    "NO3_NO2": 6.04,
    "NO2": 0.15,
    "NH4": 0.03,
    "NO3": 5.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8796, 59.9433] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "MS2",
    "water_depth": 199,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1406",
    "depth": 10.0,
    "PO4": 0.87,
    "SiOH4": 4.39,
    "NO3_NO2": 6.33,
    "NO2": 0.17,
    "NH4": 0.1,
    "NO3": 6.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8796, 59.9433] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "MS2",
    "water_depth": 199,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1406",
    "depth": 20.0,
    "PO4": 0.75,
    "SiOH4": 7.15,
    "NO3_NO2": 7.91,
    "NO2": 0.16,
    "NH4": 1.09,
    "NO3": 7.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8796, 59.9433] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "MS2",
    "water_depth": 199,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1406",
    "depth": 30.0,
    "PO4": 0.78,
    "SiOH4": 14.69,
    "NO3_NO2": 12.96,
    "NO2": 0.18,
    "NH4": 2.22,
    "NO3": 12.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8796, 59.9433] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "MS2",
    "water_depth": 199,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1406",
    "depth": 40.0,
    "PO4": 0.89,
    "SiOH4": 18.95,
    "NO3_NO2": 16.62,
    "NO2": 0.2,
    "NH4": 2.95,
    "NO3": 16.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8796, 59.9433] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "MS2",
    "water_depth": 199,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1406",
    "depth": 50.0,
    "PO4": 1.15,
    "SiOH4": 18.33,
    "NO3_NO2": 16.42,
    "NO2": 0.17,
    "NH4": 1.9,
    "NO3": 16.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8796, 59.9433] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "MS2",
    "water_depth": 199,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1406",
    "depth": 75.0,
    "PO4": 1.15,
    "SiOH4": 23.06,
    "NO3_NO2": 20.97,
    "NO2": 0.16,
    "NH4": 1.55,
    "NO3": 20.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8796, 59.9433] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "MS2",
    "water_depth": 199,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1406",
    "depth": 100.0,
    "PO4": 1.2,
    "SiOH4": 25.63,
    "NO3_NO2": 23.74,
    "NO2": 0.21,
    "NH4": 1.2,
    "NO3": 23.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8796, 59.9433] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "MS2",
    "water_depth": 199,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1406",
    "depth": 193.0,
    "PO4": 1.32,
    "SiOH4": 28.2,
    "NO3_NO2": 26.21,
    "NO2": 0.13,
    "NH4": 0.62,
    "NO3": 26.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9128, 59.9586] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "MS1",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1432",
    "depth": 0.0,
    "PO4": 0.81,
    "SiOH4": 2.36,
    "NO3_NO2": 4.7,
    "NO2": 0.12,
    "NH4": 3.09,
    "NO3": 4.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9128, 59.9586] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "MS1",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1432",
    "depth": 10.0,
    "PO4": 0.69,
    "SiOH4": 2.59,
    "NO3_NO2": 5.09,
    "NO2": 0.14,
    "NH4": 3.07,
    "NO3": 4.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9128, 59.9586] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "MS1",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1432",
    "depth": 20.0,
    "PO4": 0.69,
    "SiOH4": 2.54,
    "NO3_NO2": 5.29,
    "NO2": 0.14,
    "NH4": 3.68,
    "NO3": 5.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9128, 59.9586] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "MS1",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1432",
    "depth": 30.0,
    "PO4": 0.6,
    "SiOH4": 3.04,
    "NO3_NO2": 5.28,
    "NO2": 0.11,
    "NH4": 3.86,
    "NO3": 5.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9128, 59.9586] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "MS1",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1432",
    "depth": 40.0,
    "PO4": 0.51,
    "SiOH4": 5.99,
    "NO3_NO2": 7.26,
    "NO2": 0.1,
    "NH4": 3.34,
    "NO3": 7.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9128, 59.9586] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "MS1",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1432",
    "depth": 50.0,
    "PO4": 0.53,
    "SiOH4": 18.78,
    "NO3_NO2": 17.86,
    "NO2": 0.17,
    "NH4": 3.45,
    "NO3": 17.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9128, 59.9586] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "MS1",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1432",
    "depth": 75.0,
    "PO4": 0.69,
    "SiOH4": 22.1,
    "NO3_NO2": 21.42,
    "NO2": 0.17,
    "NH4": 2.13,
    "NO3": 21.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9128, 59.9586] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "MS1",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1432",
    "depth": 100.0,
    "PO4": 0.92,
    "SiOH4": 23.36,
    "NO3_NO2": 23.2,
    "NO2": 0.19,
    "NH4": 1.29,
    "NO3": 23.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9128, 59.9586] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "MS1",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1432",
    "depth": 180.0,
    "PO4": 1.19,
    "SiOH4": 26.4,
    "NO3_NO2": 25.77,
    "NO2": 0.13,
    "NH4": 0.65,
    "NO3": 25.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8675, 59.9093] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "CF1",
    "water_depth": 83,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1743",
    "depth": 0.0,
    "PO4": null,
    "SiOH4": 14.87,
    "NO3_NO2": 11.3,
    "NO2": 0.12,
    "NH4": 0.63,
    "NO3": 11.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8675, 59.9093] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "CF1",
    "water_depth": 83,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1743",
    "depth": 10.0,
    "PO4": 0.85,
    "SiOH4": 15.21,
    "NO3_NO2": 12.29,
    "NO2": 0.11,
    "NH4": 0.7,
    "NO3": 12.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8675, 59.9093] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "CF1",
    "water_depth": 83,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1743",
    "depth": 20.0,
    "PO4": 1.07,
    "SiOH4": 14.8,
    "NO3_NO2": 12.39,
    "NO2": 0.11,
    "NH4": 0.76,
    "NO3": 12.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8675, 59.9093] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "CF1",
    "water_depth": 83,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1743",
    "depth": 30.0,
    "PO4": 1.09,
    "SiOH4": 14.57,
    "NO3_NO2": 12.39,
    "NO2": 0.13,
    "NH4": 0.7,
    "NO3": 12.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8675, 59.9093] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "CF1",
    "water_depth": 83,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1743",
    "depth": 40.0,
    "PO4": 1.09,
    "SiOH4": 14.72,
    "NO3_NO2": 12.48,
    "NO2": 0.15,
    "NH4": 0.76,
    "NO3": 12.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8675, 59.9093] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "CF1",
    "water_depth": 83,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1743",
    "depth": 50.0,
    "PO4": 1.04,
    "SiOH4": 14.69,
    "NO3_NO2": 12.48,
    "NO2": 0.14,
    "NH4": 0.69,
    "NO3": 12.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8675, 59.9093] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "CF1",
    "water_depth": 83,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1743",
    "depth": 81.0,
    "PO4": 1.05,
    "SiOH4": 15.31,
    "NO3_NO2": 13.47,
    "NO2": 0.16,
    "NH4": 0.8,
    "NO3": 13.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.8501] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1925",
    "depth": 0.0,
    "PO4": 0.73,
    "SiOH4": 18.46,
    "NO3_NO2": 16.55,
    "NO2": 0.21,
    "NH4": 0.58,
    "NO3": 16.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.8501] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1925",
    "depth": 10.0,
    "PO4": 0.76,
    "SiOH4": 18.23,
    "NO3_NO2": 16.84,
    "NO2": 0.2,
    "NH4": 0.51,
    "NO3": 16.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.8501] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1925",
    "depth": 20.0,
    "PO4": 0.89,
    "SiOH4": 18.2,
    "NO3_NO2": 17.04,
    "NO2": 0.22,
    "NH4": 0.6,
    "NO3": 16.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.8501] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1925",
    "depth": 30.0,
    "PO4": 1.02,
    "SiOH4": 18.35,
    "NO3_NO2": 17.14,
    "NO2": 0.24,
    "NH4": 0.76,
    "NO3": 16.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.8501] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1925",
    "depth": 40.0,
    "PO4": 1.08,
    "SiOH4": 18.41,
    "NO3_NO2": 17.34,
    "NO2": 0.21,
    "NH4": 0.73,
    "NO3": 17.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.8501] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1925",
    "depth": 50.0,
    "PO4": 1.11,
    "SiOH4": 18.74,
    "NO3_NO2": 17.93,
    "NO2": 0.2,
    "NH4": 0.6,
    "NO3": 17.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.8501] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1925",
    "depth": 75.0,
    "PO4": 1.09,
    "SiOH4": 19.65,
    "NO3_NO2": 18.63,
    "NO2": 0.2,
    "NH4": 0.67,
    "NO3": 18.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.8501] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1925",
    "depth": 100.0,
    "PO4": 1.11,
    "SiOH4": 21.95,
    "NO3_NO2": 22.79,
    "NO2": 0.27,
    "NH4": 0.75,
    "NO3": 22.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.8501] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1925",
    "depth": 125.0,
    "PO4": 1.26,
    "SiOH4": 22.2,
    "NO3_NO2": 23.48,
    "NO2": 0.29,
    "NH4": 0.65,
    "NO3": 23.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.8501] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "1925",
    "depth": 159.0,
    "PO4": 1.32,
    "SiOH4": 23.1,
    "NO3_NO2": 24.77,
    "NO2": 0.26,
    "NH4": 0.48,
    "NO3": 24.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.869, 59.7829] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2026",
    "depth": 0.0,
    "PO4": 1.03,
    "SiOH4": 18.4,
    "NO3_NO2": 19.3,
    "NO2": 0.12,
    "NH4": 0.11,
    "NO3": 19.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.869, 59.7829] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2026",
    "depth": 10.0,
    "PO4": 1.08,
    "SiOH4": 18.42,
    "NO3_NO2": 19.68,
    "NO2": 0.14,
    "NH4": 0.35,
    "NO3": 19.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.869, 59.7829] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2026",
    "depth": 20.0,
    "PO4": 1.16,
    "SiOH4": 18.44,
    "NO3_NO2": 20.06,
    "NO2": 0.13,
    "NH4": 0.15,
    "NO3": 19.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.869, 59.7829] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2026",
    "depth": 30.0,
    "PO4": 1.21,
    "SiOH4": 18.65,
    "NO3_NO2": 20.14,
    "NO2": 0.13,
    "NH4": 0.12,
    "NO3": 20.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.869, 59.7829] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2026",
    "depth": 40.0,
    "PO4": 1.22,
    "SiOH4": 18.86,
    "NO3_NO2": 20.51,
    "NO2": 0.15,
    "NH4": 0.04,
    "NO3": 20.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.869, 59.7829] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2026",
    "depth": 50.0,
    "PO4": 1.26,
    "SiOH4": 18.98,
    "NO3_NO2": 20.89,
    "NO2": 0.19,
    "NH4": 0.01,
    "NO3": 20.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.869, 59.7829] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2026",
    "depth": 75.0,
    "PO4": 1.28,
    "SiOH4": 19.38,
    "NO3_NO2": 20.97,
    "NO2": 0.21,
    "NH4": 0.01,
    "NO3": 20.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.869, 59.7829] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2026",
    "depth": 100.0,
    "PO4": 1.29,
    "SiOH4": 20.8,
    "NO3_NO2": 23.63,
    "NO2": 0.28,
    "NH4": 0.01,
    "NO3": 23.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.869, 59.7829] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2026",
    "depth": 125.0,
    "PO4": 1.39,
    "SiOH4": 20.73,
    "NO3_NO2": 23.91,
    "NO2": 0.3,
    "NH4": 0.01,
    "NO3": 23.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.869, 59.7829] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2026",
    "depth": 187.0,
    "PO4": 1.38,
    "SiOH4": 22.25,
    "NO3_NO2": 25.57,
    "NO2": 0.22,
    "NH4": 0.0,
    "NO3": 25.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.7153] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 64,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2125",
    "depth": 0.0,
    "PO4": 0.85,
    "SiOH4": 19.0,
    "NO3_NO2": 19.11,
    "NO2": 0.16,
    "NH4": 0.41,
    "NO3": 18.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.7153] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 64,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2125",
    "depth": 10.0,
    "PO4": 0.87,
    "SiOH4": 19.21,
    "NO3_NO2": 19.19,
    "NO2": 0.18,
    "NH4": 0.43,
    "NO3": 19.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.7153] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 64,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2125",
    "depth": 20.0,
    "PO4": 1.0,
    "SiOH4": 18.95,
    "NO3_NO2": 19.27,
    "NO2": 0.17,
    "NH4": 0.4,
    "NO3": 19.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.7153] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 64,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2125",
    "depth": 30.0,
    "PO4": 1.02,
    "SiOH4": 19.16,
    "NO3_NO2": 19.16,
    "NO2": 0.17,
    "NH4": 0.35,
    "NO3": 18.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.7153] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 64,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2125",
    "depth": 40.0,
    "PO4": 1.06,
    "SiOH4": 18.9,
    "NO3_NO2": 19.24,
    "NO2": 0.16,
    "NH4": 0.02,
    "NO3": 19.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.7153] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 64,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2125",
    "depth": 50.0,
    "PO4": 1.12,
    "SiOH4": 19.01,
    "NO3_NO2": 19.51,
    "NO2": 0.18,
    "NH4": 0.01,
    "NO3": 19.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.7153] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 64,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2125",
    "depth": 75.0,
    "PO4": 1.14,
    "SiOH4": 19.97,
    "NO3_NO2": 23.46,
    "NO2": 0.3,
    "NH4": 0.01,
    "NO3": 23.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.7153] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 64,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2125",
    "depth": 100.0,
    "PO4": 1.2,
    "SiOH4": 20.0,
    "NO3_NO2": 23.14,
    "NO2": 0.3,
    "NH4": 0.0,
    "NO3": 22.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.7153] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 64,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2125",
    "depth": 125.0,
    "PO4": 1.27,
    "SiOH4": 20.02,
    "NO3_NO2": 23.52,
    "NO2": 0.26,
    "NH4": 0.01,
    "NO3": 23.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.7153] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 64,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2125",
    "depth": 178.0,
    "PO4": 1.29,
    "SiOH4": 21.35,
    "NO3_NO2": 25.98,
    "NO2": 0.18,
    "NH4": 0.31,
    "NO3": 25.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8659, 59.6501] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 66,
    "stn_id": "CF9",
    "water_depth": 177,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2222",
    "depth": 0.0,
    "PO4": 1.06,
    "SiOH4": 21.38,
    "NO3_NO2": 20.3,
    "NO2": 0.09,
    "NH4": 0.17,
    "NO3": 20.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8659, 59.6501] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 66,
    "stn_id": "CF9",
    "water_depth": 177,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2222",
    "depth": 10.0,
    "PO4": 1.12,
    "SiOH4": 21.67,
    "NO3_NO2": 20.49,
    "NO2": 0.1,
    "NH4": 0.11,
    "NO3": 20.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8659, 59.6501] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 66,
    "stn_id": "CF9",
    "water_depth": 177,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2222",
    "depth": 20.0,
    "PO4": 1.33,
    "SiOH4": 21.86,
    "NO3_NO2": 20.68,
    "NO2": 0.09,
    "NH4": 0.38,
    "NO3": 20.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8659, 59.6501] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 66,
    "stn_id": "CF9",
    "water_depth": 177,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2222",
    "depth": 30.0,
    "PO4": 1.33,
    "SiOH4": 22.05,
    "NO3_NO2": 20.47,
    "NO2": 0.1,
    "NH4": 0.47,
    "NO3": 20.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8659, 59.6501] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 66,
    "stn_id": "CF9",
    "water_depth": 177,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2222",
    "depth": 40.0,
    "PO4": 1.35,
    "SiOH4": 22.33,
    "NO3_NO2": 20.76,
    "NO2": 0.09,
    "NH4": 0.28,
    "NO3": 20.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8659, 59.6501] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 66,
    "stn_id": "CF9",
    "water_depth": 177,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2222",
    "depth": 50.0,
    "PO4": 1.36,
    "SiOH4": 22.43,
    "NO3_NO2": 20.65,
    "NO2": 0.05,
    "NH4": 0.17,
    "NO3": 20.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8659, 59.6501] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 66,
    "stn_id": "CF9",
    "water_depth": 177,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2222",
    "depth": 75.0,
    "PO4": 1.29,
    "SiOH4": 23.0,
    "NO3_NO2": 23.61,
    "NO2": 0.13,
    "NH4": 0.36,
    "NO3": 23.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8659, 59.6501] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 66,
    "stn_id": "CF9",
    "water_depth": 177,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2222",
    "depth": 100.0,
    "PO4": 1.33,
    "SiOH4": 23.1,
    "NO3_NO2": 23.8,
    "NO2": 0.22,
    "NH4": 0.49,
    "NO3": 23.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8659, 59.6501] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 66,
    "stn_id": "CF9",
    "water_depth": 177,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2222",
    "depth": 125.0,
    "PO4": 1.49,
    "SiOH4": 23.38,
    "NO3_NO2": 23.5,
    "NO2": 0.21,
    "NH4": 0.57,
    "NO3": 23.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8659, 59.6501] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 66,
    "stn_id": "CF9",
    "water_depth": 177,
    "month_gmt": "5",
    "day_gmt": "11",
    "time_gmt": "2222",
    "depth": 176.0,
    "PO4": 1.43,
    "SiOH4": 23.67,
    "NO3_NO2": 28.54,
    "NO2": 0.17,
    "NH4": 0.38,
    "NO3": 28.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8664, 59.5843] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 75,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "0253",
    "depth": 0.0,
    "PO4": 0.73,
    "SiOH4": 22.54,
    "NO3_NO2": 19.71,
    "NO2": 0.16,
    "NH4": 0.25,
    "NO3": 19.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8664, 59.5843] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 75,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "0253",
    "depth": 10.0,
    "PO4": 1.2,
    "SiOH4": 22.56,
    "NO3_NO2": 19.9,
    "NO2": 0.17,
    "NH4": 0.19,
    "NO3": 19.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8664, 59.5843] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 75,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "0253",
    "depth": 20.0,
    "PO4": 1.21,
    "SiOH4": 22.67,
    "NO3_NO2": 20.29,
    "NO2": 0.16,
    "NH4": 0.49,
    "NO3": 20.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8664, 59.5843] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 75,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "0253",
    "depth": 30.0,
    "PO4": 1.15,
    "SiOH4": 22.7,
    "NO3_NO2": 20.08,
    "NO2": 0.14,
    "NH4": 0.81,
    "NO3": 19.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8664, 59.5843] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 75,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "0253",
    "depth": 40.0,
    "PO4": 1.22,
    "SiOH4": 22.72,
    "NO3_NO2": 20.17,
    "NO2": 0.13,
    "NH4": 0.57,
    "NO3": 20.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8664, 59.5843] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 75,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "0253",
    "depth": 50.0,
    "PO4": 1.17,
    "SiOH4": 22.75,
    "NO3_NO2": 20.36,
    "NO2": 0.14,
    "NH4": 0.36,
    "NO3": 20.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8664, 59.5843] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 75,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "0253",
    "depth": 75.0,
    "PO4": 1.22,
    "SiOH4": 22.68,
    "NO3_NO2": 21.93,
    "NO2": 0.18,
    "NH4": 0.32,
    "NO3": 21.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8664, 59.5843] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 75,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "0253",
    "depth": 100.0,
    "PO4": 1.33,
    "SiOH4": 23.32,
    "NO3_NO2": 23.91,
    "NO2": 0.22,
    "NH4": 0.38,
    "NO3": 23.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8664, 59.5843] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 75,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "0253",
    "depth": 125.0,
    "PO4": 1.34,
    "SiOH4": 23.7,
    "NO3_NO2": 24.0,
    "NO2": 0.18,
    "NH4": 0.23,
    "NO3": 23.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8664, 59.5843] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 75,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "0253",
    "depth": 172.0,
    "PO4": 2.89,
    "SiOH4": 30.79,
    "NO3_NO2": 30.13,
    "NO2": 0.11,
    "NH4": 0.49,
    "NO3": 30.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8643, 59.5171] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 79,
    "stn_id": "CF13",
    "water_depth": 170,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1541",
    "depth": 0.0,
    "PO4": 0.62,
    "SiOH4": 22.95,
    "NO3_NO2": 14.32,
    "NO2": 0.05,
    "NH4": 3.61,
    "NO3": 14.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8643, 59.5171] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 79,
    "stn_id": "CF13",
    "water_depth": 170,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1541",
    "depth": 10.0,
    "PO4": 1.01,
    "SiOH4": 23.41,
    "NO3_NO2": 15.07,
    "NO2": 0.06,
    "NH4": 3.85,
    "NO3": 15.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8643, 59.5171] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 79,
    "stn_id": "CF13",
    "water_depth": 170,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1541",
    "depth": 20.0,
    "PO4": 1.2,
    "SiOH4": 23.43,
    "NO3_NO2": 15.07,
    "NO2": 0.09,
    "NH4": 4.21,
    "NO3": 14.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8643, 59.5171] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 79,
    "stn_id": "CF13",
    "water_depth": 170,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1541",
    "depth": 30.0,
    "PO4": 1.23,
    "SiOH4": 23.36,
    "NO3_NO2": 14.63,
    "NO2": 0.09,
    "NH4": 5.14,
    "NO3": 14.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8643, 59.5171] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 79,
    "stn_id": "CF13",
    "water_depth": 170,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1541",
    "depth": 40.0,
    "PO4": 1.25,
    "SiOH4": 23.3,
    "NO3_NO2": 15.01,
    "NO2": 0.09,
    "NH4": 5.01,
    "NO3": 14.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8643, 59.5171] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 79,
    "stn_id": "CF13",
    "water_depth": 170,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1541",
    "depth": 50.0,
    "PO4": 1.3,
    "SiOH4": 23.41,
    "NO3_NO2": 15.01,
    "NO2": 0.1,
    "NH4": 4.27,
    "NO3": 14.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8643, 59.5171] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 79,
    "stn_id": "CF13",
    "water_depth": 170,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1541",
    "depth": 75.0,
    "PO4": 1.29,
    "SiOH4": 23.69,
    "NO3_NO2": 16.89,
    "NO2": 0.1,
    "NH4": 4.77,
    "NO3": 16.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8643, 59.5171] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 79,
    "stn_id": "CF13",
    "water_depth": 170,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1541",
    "depth": 100.0,
    "PO4": 1.32,
    "SiOH4": 24.15,
    "NO3_NO2": 17.2,
    "NO2": 0.05,
    "NH4": 6.0,
    "NO3": 17.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8643, 59.5171] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 79,
    "stn_id": "CF13",
    "water_depth": 170,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1541",
    "depth": 125.0,
    "PO4": 1.45,
    "SiOH4": 23.73,
    "NO3_NO2": 17.27,
    "NO2": 0.16,
    "NH4": 5.77,
    "NO3": 17.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8643, 59.5171] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 79,
    "stn_id": "CF13",
    "water_depth": 170,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1541",
    "depth": 166.0,
    "PO4": 1.38,
    "SiOH4": 24.81,
    "NO3_NO2": 17.77,
    "NO2": 0.14,
    "NH4": 7.19,
    "NO3": 17.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8648, 59.4496] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 81,
    "stn_id": "CF15",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1637",
    "depth": 0.0,
    "PO4": 0.69,
    "SiOH4": 20.52,
    "NO3_NO2": 13.19,
    "NO2": 0.12,
    "NH4": 7.12,
    "NO3": 13.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8648, 59.4496] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 81,
    "stn_id": "CF15",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1637",
    "depth": 10.0,
    "PO4": 1.04,
    "SiOH4": 20.81,
    "NO3_NO2": 13.25,
    "NO2": 0.15,
    "NH4": 7.89,
    "NO3": 13.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8648, 59.4496] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 81,
    "stn_id": "CF15",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1637",
    "depth": 20.0,
    "PO4": 1.12,
    "SiOH4": 21.44,
    "NO3_NO2": 13.37,
    "NO2": 0.17,
    "NH4": 5.64,
    "NO3": 13.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8648, 59.4496] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 81,
    "stn_id": "CF15",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1637",
    "depth": 30.0,
    "PO4": 1.14,
    "SiOH4": 21.55,
    "NO3_NO2": 13.75,
    "NO2": 0.2,
    "NH4": 6.91,
    "NO3": 13.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8648, 59.4496] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 81,
    "stn_id": "CF15",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1637",
    "depth": 40.0,
    "PO4": 1.15,
    "SiOH4": 22.72,
    "NO3_NO2": 14.69,
    "NO2": 0.21,
    "NH4": 8.38,
    "NO3": 14.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8648, 59.4496] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 81,
    "stn_id": "CF15",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1637",
    "depth": 50.0,
    "PO4": 1.21,
    "SiOH4": 23.7,
    "NO3_NO2": 15.57,
    "NO2": 0.24,
    "NH4": 8.1,
    "NO3": 15.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8648, 59.4496] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 81,
    "stn_id": "CF15",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1637",
    "depth": 75.0,
    "PO4": 1.26,
    "SiOH4": 24.25,
    "NO3_NO2": 16.89,
    "NO2": 0.27,
    "NH4": 4.58,
    "NO3": 16.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8648, 59.4496] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 81,
    "stn_id": "CF15",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1637",
    "depth": 100.0,
    "PO4": 1.24,
    "SiOH4": 24.36,
    "NO3_NO2": 16.95,
    "NO2": 0.14,
    "NH4": 3.57,
    "NO3": 16.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8648, 59.4496] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 81,
    "stn_id": "CF15",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1637",
    "depth": 125.0,
    "PO4": 1.26,
    "SiOH4": 24.38,
    "NO3_NO2": 17.33,
    "NO2": 0.2,
    "NH4": 3.71,
    "NO3": 17.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8648, 59.4496] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 81,
    "stn_id": "CF15",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1637",
    "depth": 175.0,
    "PO4": 1.5,
    "SiOH4": 26.16,
    "NO3_NO2": 18.21,
    "NO2": 0.23,
    "NH4": 3.79,
    "NO3": 17.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8653, 59.4078] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 82,
    "stn_id": "RI10",
    "water_depth": 167,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1709",
    "depth": 0.0,
    "PO4": 0.57,
    "SiOH4": 18.47,
    "NO3_NO2": 12.49,
    "NO2": 0.12,
    "NH4": 6.15,
    "NO3": 12.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8653, 59.4078] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 82,
    "stn_id": "RI10",
    "water_depth": 167,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1709",
    "depth": 10.0,
    "PO4": 0.85,
    "SiOH4": 18.4,
    "NO3_NO2": 12.49,
    "NO2": 0.11,
    "NH4": 6.84,
    "NO3": 12.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8653, 59.4078] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 82,
    "stn_id": "RI10",
    "water_depth": 167,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1709",
    "depth": 20.0,
    "PO4": 0.97,
    "SiOH4": 18.5,
    "NO3_NO2": 12.61,
    "NO2": 0.13,
    "NH4": 6.22,
    "NO3": 12.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8653, 59.4078] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 82,
    "stn_id": "RI10",
    "water_depth": 167,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1709",
    "depth": 30.0,
    "PO4": 1.0,
    "SiOH4": 18.96,
    "NO3_NO2": 13.05,
    "NO2": 0.13,
    "NH4": 7.2,
    "NO3": 12.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8653, 59.4078] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 82,
    "stn_id": "RI10",
    "water_depth": 167,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1709",
    "depth": 40.0,
    "PO4": 1.01,
    "SiOH4": 19.24,
    "NO3_NO2": 13.11,
    "NO2": 0.12,
    "NH4": 4.25,
    "NO3": 12.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8653, 59.4078] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 82,
    "stn_id": "RI10",
    "water_depth": 167,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1709",
    "depth": 50.0,
    "PO4": 1.0,
    "SiOH4": 19.78,
    "NO3_NO2": 13.73,
    "NO2": 0.14,
    "NH4": 4.61,
    "NO3": 13.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8653, 59.4078] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 82,
    "stn_id": "RI10",
    "water_depth": 167,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1709",
    "depth": 75.0,
    "PO4": 1.1,
    "SiOH4": 21.21,
    "NO3_NO2": 15.42,
    "NO2": 0.13,
    "NH4": 4.96,
    "NO3": 15.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8653, 59.4078] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 82,
    "stn_id": "RI10",
    "water_depth": 167,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1709",
    "depth": 100.0,
    "PO4": 1.19,
    "SiOH4": 21.93,
    "NO3_NO2": 16.8,
    "NO2": 0.15,
    "NH4": 5.5,
    "NO3": 16.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8653, 59.4078] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 82,
    "stn_id": "RI10",
    "water_depth": 167,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1709",
    "depth": 161.0,
    "PO4": 1.21,
    "SiOH4": 24.49,
    "NO3_NO2": 18.43,
    "NO2": 0.15,
    "NH4": 5.68,
    "NO3": 18.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0483, 59.4073] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 83,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1758",
    "depth": 0.0,
    "PO4": 0.35,
    "SiOH4": 13.18,
    "NO3_NO2": 13.72,
    "NO2": 0.11,
    "NH4": 5.11,
    "NO3": 13.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0483, 59.4073] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 83,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1758",
    "depth": 10.0,
    "PO4": 0.65,
    "SiOH4": 13.37,
    "NO3_NO2": 13.78,
    "NO2": 0.08,
    "NH4": 5.62,
    "NO3": 13.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0483, 59.4073] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 83,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1758",
    "depth": 20.0,
    "PO4": 0.89,
    "SiOH4": 13.39,
    "NO3_NO2": 13.84,
    "NO2": 0.08,
    "NH4": 6.25,
    "NO3": 13.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0483, 59.4073] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 83,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1758",
    "depth": 30.0,
    "PO4": 1.0,
    "SiOH4": 13.49,
    "NO3_NO2": 14.28,
    "NO2": 0.1,
    "NH4": 7.15,
    "NO3": 14.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0483, 59.4073] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 83,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1758",
    "depth": 40.0,
    "PO4": 0.99,
    "SiOH4": 13.6,
    "NO3_NO2": 14.33,
    "NO2": 0.09,
    "NH4": 5.73,
    "NO3": 14.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0483, 59.4073] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 83,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1758",
    "depth": 50.0,
    "PO4": 0.98,
    "SiOH4": 13.53,
    "NO3_NO2": 14.39,
    "NO2": 0.11,
    "NH4": 5.58,
    "NO3": 14.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0483, 59.4073] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 83,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1758",
    "depth": 75.0,
    "PO4": 1.03,
    "SiOH4": 14.16,
    "NO3_NO2": 16.84,
    "NO2": 0.1,
    "NH4": 4.48,
    "NO3": 16.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0483, 59.4073] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 83,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1758",
    "depth": 100.0,
    "PO4": 1.13,
    "SiOH4": 14.35,
    "NO3_NO2": 17.28,
    "NO2": 0.02,
    "NH4": 4.5,
    "NO3": 17.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0483, 59.4073] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 83,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1758",
    "depth": 150.0,
    "PO4": 1.16,
    "SiOH4": 15.87,
    "NO3_NO2": 17.46,
    "NO2": 0.04,
    "NH4": 4.78,
    "NO3": 17.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0483, 59.4073] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 83,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1758",
    "depth": 195.0,
    "PO4": 1.22,
    "SiOH4": 16.32,
    "NO3_NO2": 17.52,
    "NO2": 0.06,
    "NH4": 4.86,
    "NO3": 17.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2138, 59.4069] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 84,
    "stn_id": "RI8",
    "water_depth": 184,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1846",
    "depth": 0.0,
    "PO4": 0.68,
    "SiOH4": 22.46,
    "NO3_NO2": 17.41,
    "NO2": 0.02,
    "NH4": 3.33,
    "NO3": 17.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2138, 59.4069] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 84,
    "stn_id": "RI8",
    "water_depth": 184,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1846",
    "depth": 10.0,
    "PO4": 0.86,
    "SiOH4": 22.52,
    "NO3_NO2": 17.66,
    "NO2": 0.01,
    "NH4": 4.91,
    "NO3": 17.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2138, 59.4069] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 84,
    "stn_id": "RI8",
    "water_depth": 184,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1846",
    "depth": 20.0,
    "PO4": 1.05,
    "SiOH4": 22.5,
    "NO3_NO2": 17.57,
    "NO2": 0.01,
    "NH4": 5.66,
    "NO3": 17.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2138, 59.4069] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 84,
    "stn_id": "RI8",
    "water_depth": 184,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1846",
    "depth": 30.0,
    "PO4": 1.05,
    "SiOH4": 22.38,
    "NO3_NO2": 17.74,
    "NO2": 0.01,
    "NH4": 5.4,
    "NO3": 17.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2138, 59.4069] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 84,
    "stn_id": "RI8",
    "water_depth": 184,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1846",
    "depth": 40.0,
    "PO4": 1.06,
    "SiOH4": 22.45,
    "NO3_NO2": 18.08,
    "NO2": 0.03,
    "NH4": 6.06,
    "NO3": 18.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2138, 59.4069] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 84,
    "stn_id": "RI8",
    "water_depth": 184,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1846",
    "depth": 50.0,
    "PO4": 1.1,
    "SiOH4": 22.77,
    "NO3_NO2": 18.93,
    "NO2": 0.07,
    "NH4": 5.46,
    "NO3": 18.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2138, 59.4069] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 84,
    "stn_id": "RI8",
    "water_depth": 184,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1846",
    "depth": 75.0,
    "PO4": 1.12,
    "SiOH4": 22.92,
    "NO3_NO2": 21.67,
    "NO2": 0.08,
    "NH4": 4.77,
    "NO3": 21.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2138, 59.4069] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 84,
    "stn_id": "RI8",
    "water_depth": 184,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1846",
    "depth": 100.0,
    "PO4": 1.16,
    "SiOH4": 23.16,
    "NO3_NO2": 22.27,
    "NO2": 0.01,
    "NH4": 4.8,
    "NO3": 22.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2138, 59.4069] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 84,
    "stn_id": "RI8",
    "water_depth": 184,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1846",
    "depth": 150.0,
    "PO4": 0.53,
    "SiOH4": 24.27,
    "NO3_NO2": 25.27,
    "NO2": 0.04,
    "NH4": 2.5,
    "NO3": 25.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2138, 59.4069] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 84,
    "stn_id": "RI8",
    "water_depth": 184,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1846",
    "depth": 181.0,
    "PO4": 0.85,
    "SiOH4": 24.69,
    "NO3_NO2": 25.69,
    "NO2": 0.05,
    "NH4": 4.17,
    "NO3": 25.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3758, 59.4067] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 85,
    "stn_id": "RI7",
    "water_depth": 145,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1932",
    "depth": 0.0,
    "PO4": 0.6,
    "SiOH4": 20.62,
    "NO3_NO2": 16.34,
    "NO2": 0.09,
    "NH4": 4.71,
    "NO3": 16.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3758, 59.4067] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 85,
    "stn_id": "RI7",
    "water_depth": 145,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1932",
    "depth": 10.0,
    "PO4": 0.76,
    "SiOH4": 21.91,
    "NO3_NO2": 17.11,
    "NO2": 0.08,
    "NH4": 5.14,
    "NO3": 17.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3758, 59.4067] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 85,
    "stn_id": "RI7",
    "water_depth": 145,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1932",
    "depth": 20.0,
    "PO4": 0.83,
    "SiOH4": 21.97,
    "NO3_NO2": 17.7,
    "NO2": 0.07,
    "NH4": 4.89,
    "NO3": 17.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3758, 59.4067] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 85,
    "stn_id": "RI7",
    "water_depth": 145,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1932",
    "depth": 30.0,
    "PO4": 0.95,
    "SiOH4": 22.12,
    "NO3_NO2": 17.7,
    "NO2": 0.09,
    "NH4": 4.78,
    "NO3": 17.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3758, 59.4067] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 85,
    "stn_id": "RI7",
    "water_depth": 145,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1932",
    "depth": 40.0,
    "PO4": 1.02,
    "SiOH4": 22.27,
    "NO3_NO2": 18.12,
    "NO2": 0.1,
    "NH4": 3.74,
    "NO3": 18.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3758, 59.4067] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 85,
    "stn_id": "RI7",
    "water_depth": 145,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1932",
    "depth": 50.0,
    "PO4": 1.02,
    "SiOH4": 22.07,
    "NO3_NO2": 18.55,
    "NO2": 0.09,
    "NH4": 4.25,
    "NO3": 18.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3758, 59.4067] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 85,
    "stn_id": "RI7",
    "water_depth": 145,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1932",
    "depth": 75.0,
    "PO4": 1.04,
    "SiOH4": 22.39,
    "NO3_NO2": 21.2,
    "NO2": 0.21,
    "NH4": 4.87,
    "NO3": 20.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3758, 59.4067] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 85,
    "stn_id": "RI7",
    "water_depth": 145,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1932",
    "depth": 100.0,
    "PO4": 1.1,
    "SiOH4": 22.63,
    "NO3_NO2": 22.06,
    "NO2": 0.17,
    "NH4": 5.57,
    "NO3": 21.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3758, 59.4067] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 85,
    "stn_id": "RI7",
    "water_depth": 145,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "1932",
    "depth": 141.0,
    "PO4": 1.09,
    "SiOH4": 23.31,
    "NO3_NO2": 22.31,
    "NO2": 0.14,
    "NH4": 5.29,
    "NO3": 22.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.54, 59.4063] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 86,
    "stn_id": "RI6",
    "water_depth": 102,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2017",
    "depth": 0.0,
    "PO4": 0.45,
    "SiOH4": 18.39,
    "NO3_NO2": 13.16,
    "NO2": 0.07,
    "NH4": 7.0,
    "NO3": 13.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.54, 59.4063] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 86,
    "stn_id": "RI6",
    "water_depth": 102,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2017",
    "depth": 10.0,
    "PO4": 0.61,
    "SiOH4": 18.74,
    "NO3_NO2": 13.42,
    "NO2": 0.09,
    "NH4": 7.9,
    "NO3": 13.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.54, 59.4063] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 86,
    "stn_id": "RI6",
    "water_depth": 102,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2017",
    "depth": 20.0,
    "PO4": 0.7,
    "SiOH4": 18.73,
    "NO3_NO2": 13.83,
    "NO2": 0.08,
    "NH4": 2.75,
    "NO3": 13.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.54, 59.4063] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 86,
    "stn_id": "RI6",
    "water_depth": 102,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2017",
    "depth": 30.0,
    "PO4": 0.9,
    "SiOH4": 19.26,
    "NO3_NO2": 14.09,
    "NO2": 0.1,
    "NH4": 2.94,
    "NO3": 14.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.54, 59.4063] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 86,
    "stn_id": "RI6",
    "water_depth": 102,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2017",
    "depth": 40.0,
    "PO4": 0.88,
    "SiOH4": 20.05,
    "NO3_NO2": 15.23,
    "NO2": 0.09,
    "NH4": 3.91,
    "NO3": 15.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.54, 59.4063] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 86,
    "stn_id": "RI6",
    "water_depth": 102,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2017",
    "depth": 50.0,
    "PO4": 0.89,
    "SiOH4": 20.31,
    "NO3_NO2": 15.35,
    "NO2": 0.11,
    "NH4": 3.22,
    "NO3": 15.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.54, 59.4063] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 86,
    "stn_id": "RI6",
    "water_depth": 102,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2017",
    "depth": 75.0,
    "PO4": 0.93,
    "SiOH4": 21.73,
    "NO3_NO2": 17.13,
    "NO2": 0.1,
    "NH4": 0.93,
    "NO3": 17.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.54, 59.4063] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 86,
    "stn_id": "RI6",
    "water_depth": 102,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2017",
    "depth": 95.0,
    "PO4": 1.03,
    "SiOH4": 21.63,
    "NO3_NO2": 17.11,
    "NO2": 0.09,
    "NH4": 1.26,
    "NO3": 17.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7042, 59.4071] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 87,
    "stn_id": "RI5",
    "water_depth": 101,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2101",
    "depth": 0.0,
    "PO4": 0.46,
    "SiOH4": 18.22,
    "NO3_NO2": 13.31,
    "NO2": 0.06,
    "NH4": 1.47,
    "NO3": 13.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7042, 59.4071] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 87,
    "stn_id": "RI5",
    "water_depth": 101,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2101",
    "depth": 10.0,
    "PO4": 0.55,
    "SiOH4": 18.66,
    "NO3_NO2": 14.01,
    "NO2": 0.05,
    "NH4": 1.2,
    "NO3": 13.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7042, 59.4071] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 87,
    "stn_id": "RI5",
    "water_depth": 101,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2101",
    "depth": 20.0,
    "PO4": 0.66,
    "SiOH4": 19.54,
    "NO3_NO2": 15.22,
    "NO2": 0.1,
    "NH4": 1.79,
    "NO3": 15.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7042, 59.4071] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 87,
    "stn_id": "RI5",
    "water_depth": 101,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2101",
    "depth": 30.0,
    "PO4": 0.79,
    "SiOH4": 20.78,
    "NO3_NO2": 16.35,
    "NO2": 0.11,
    "NH4": 2.16,
    "NO3": 16.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7042, 59.4071] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 87,
    "stn_id": "RI5",
    "water_depth": 101,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2101",
    "depth": 40.0,
    "PO4": 0.9,
    "SiOH4": 21.3,
    "NO3_NO2": 17.56,
    "NO2": 0.13,
    "NH4": 2.42,
    "NO3": 17.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7042, 59.4071] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 87,
    "stn_id": "RI5",
    "water_depth": 101,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2101",
    "depth": 50.0,
    "PO4": 0.95,
    "SiOH4": 22.1,
    "NO3_NO2": 18.98,
    "NO2": 0.15,
    "NH4": 2.33,
    "NO3": 18.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7042, 59.4071] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 87,
    "stn_id": "RI5",
    "water_depth": 101,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2101",
    "depth": 75.0,
    "PO4": 1.03,
    "SiOH4": 22.36,
    "NO3_NO2": 19.17,
    "NO2": 0.14,
    "NH4": 1.6,
    "NO3": 19.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7042, 59.4071] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 87,
    "stn_id": "RI5",
    "water_depth": 101,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2101",
    "depth": 98.0,
    "PO4": 1.0,
    "SiOH4": 22.26,
    "NO3_NO2": 19.07,
    "NO2": 0.16,
    "NH4": 2.58,
    "NO3": 18.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8684, 59.4073] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 88,
    "stn_id": "RI4",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2144",
    "depth": 0.0,
    "PO4": 0.64,
    "SiOH4": 18.7,
    "NO3_NO2": 13.13,
    "NO2": 0.12,
    "NH4": 6.43,
    "NO3": 13.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8684, 59.4073] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 88,
    "stn_id": "RI4",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2144",
    "depth": 10.0,
    "PO4": 0.75,
    "SiOH4": 19.08,
    "NO3_NO2": 13.3,
    "NO2": 0.12,
    "NH4": 6.81,
    "NO3": 13.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8684, 59.4073] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 88,
    "stn_id": "RI4",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2144",
    "depth": 20.0,
    "PO4": 0.88,
    "SiOH4": 19.37,
    "NO3_NO2": 14.34,
    "NO2": 0.14,
    "NH4": 7.69,
    "NO3": 14.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8684, 59.4073] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 88,
    "stn_id": "RI4",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2144",
    "depth": 30.0,
    "PO4": 0.9,
    "SiOH4": 19.84,
    "NO3_NO2": 14.43,
    "NO2": 0.16,
    "NH4": 6.49,
    "NO3": 14.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8684, 59.4073] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 88,
    "stn_id": "RI4",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2144",
    "depth": 40.0,
    "PO4": 0.93,
    "SiOH4": 20.04,
    "NO3_NO2": 14.67,
    "NO2": 0.21,
    "NH4": 7.86,
    "NO3": 14.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8684, 59.4073] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 88,
    "stn_id": "RI4",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2144",
    "depth": 50.0,
    "PO4": 0.94,
    "SiOH4": 20.06,
    "NO3_NO2": 14.77,
    "NO2": 0.26,
    "NH4": 7.8,
    "NO3": 14.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8684, 59.4073] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 88,
    "stn_id": "RI4",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2144",
    "depth": 75.0,
    "PO4": 0.92,
    "SiOH4": 21.43,
    "NO3_NO2": 16.31,
    "NO2": 0.3,
    "NH4": 8.49,
    "NO3": 16.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8684, 59.4073] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 88,
    "stn_id": "RI4",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2144",
    "depth": 100.0,
    "PO4": 1.05,
    "SiOH4": 22.7,
    "NO3_NO2": 18.22,
    "NO2": 0.35,
    "NH4": 7.73,
    "NO3": 17.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8684, 59.4073] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 88,
    "stn_id": "RI4",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2144",
    "depth": 157.0,
    "PO4": 1.26,
    "SiOH4": 22.28,
    "NO3_NO2": 18.46,
    "NO2": 0.24,
    "NH4": 9.23,
    "NO3": 18.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0323, 59.4071] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 89,
    "stn_id": "RI3",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2244",
    "depth": 0.0,
    "PO4": 0.49,
    "SiOH4": 17.57,
    "NO3_NO2": 12.03,
    "NO2": 0.21,
    "NH4": 5.27,
    "NO3": 11.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0323, 59.4071] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 89,
    "stn_id": "RI3",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2244",
    "depth": 10.0,
    "PO4": 0.65,
    "SiOH4": 17.77,
    "NO3_NO2": 12.56,
    "NO2": 0.24,
    "NH4": 5.36,
    "NO3": 12.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0323, 59.4071] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 89,
    "stn_id": "RI3",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2244",
    "depth": 20.0,
    "PO4": 0.75,
    "SiOH4": 18.15,
    "NO3_NO2": 12.8,
    "NO2": 0.23,
    "NH4": 6.26,
    "NO3": 12.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0323, 59.4071] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 89,
    "stn_id": "RI3",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2244",
    "depth": 30.0,
    "PO4": 0.76,
    "SiOH4": 18.44,
    "NO3_NO2": 13.41,
    "NO2": 0.25,
    "NH4": 6.91,
    "NO3": 13.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0323, 59.4071] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 89,
    "stn_id": "RI3",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2244",
    "depth": 40.0,
    "PO4": 0.77,
    "SiOH4": 18.47,
    "NO3_NO2": 13.43,
    "NO2": 0.25,
    "NH4": 7.48,
    "NO3": 13.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0323, 59.4071] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 89,
    "stn_id": "RI3",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2244",
    "depth": 50.0,
    "PO4": 0.78,
    "SiOH4": 18.67,
    "NO3_NO2": 13.6,
    "NO2": 0.27,
    "NH4": 9.06,
    "NO3": 13.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0323, 59.4071] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 89,
    "stn_id": "RI3",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2244",
    "depth": 75.0,
    "PO4": 0.89,
    "SiOH4": 22.44,
    "NO3_NO2": 17.17,
    "NO2": 0.29,
    "NH4": 10.88,
    "NO3": 16.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0323, 59.4071] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 89,
    "stn_id": "RI3",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2244",
    "depth": 100.0,
    "PO4": 0.88,
    "SiOH4": 23.72,
    "NO3_NO2": 19.22,
    "NO2": 0.34,
    "NH4": 12.54,
    "NO3": 18.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0323, 59.4071] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 89,
    "stn_id": "RI3",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2244",
    "depth": 157.0,
    "PO4": 1.01,
    "SiOH4": 24.19,
    "NO3_NO2": 19.39,
    "NO2": 0.31,
    "NH4": 7.25,
    "NO3": 19.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1954, 59.4077] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 90,
    "stn_id": "RI2",
    "water_depth": 121,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2330",
    "depth": 0.0,
    "PO4": 0.6,
    "SiOH4": 20.38,
    "NO3_NO2": 13.61,
    "NO2": 0.09,
    "NH4": 6.09,
    "NO3": 13.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1954, 59.4077] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 90,
    "stn_id": "RI2",
    "water_depth": 121,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2330",
    "depth": 10.0,
    "PO4": 0.72,
    "SiOH4": 20.66,
    "NO3_NO2": 13.89,
    "NO2": 0.11,
    "NH4": 7.72,
    "NO3": 13.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1954, 59.4077] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 90,
    "stn_id": "RI2",
    "water_depth": 121,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2330",
    "depth": 20.0,
    "PO4": 0.89,
    "SiOH4": 20.85,
    "NO3_NO2": 14.1,
    "NO2": 0.1,
    "NH4": 9.09,
    "NO3": 13.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1954, 59.4077] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 90,
    "stn_id": "RI2",
    "water_depth": 121,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2330",
    "depth": 30.0,
    "PO4": 0.92,
    "SiOH4": 20.95,
    "NO3_NO2": 14.31,
    "NO2": 0.12,
    "NH4": 5.22,
    "NO3": 14.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1954, 59.4077] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 90,
    "stn_id": "RI2",
    "water_depth": 121,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2330",
    "depth": 40.0,
    "PO4": 0.98,
    "SiOH4": 21.4,
    "NO3_NO2": 15.1,
    "NO2": 0.12,
    "NH4": 4.27,
    "NO3": 14.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1954, 59.4077] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 90,
    "stn_id": "RI2",
    "water_depth": 121,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2330",
    "depth": 50.0,
    "PO4": 0.98,
    "SiOH4": 22.31,
    "NO3_NO2": 15.52,
    "NO2": 0.11,
    "NH4": 2.58,
    "NO3": 15.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1954, 59.4077] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 90,
    "stn_id": "RI2",
    "water_depth": 121,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2330",
    "depth": 75.0,
    "PO4": 1.09,
    "SiOH4": 22.86,
    "NO3_NO2": 15.87,
    "NO2": 0.1,
    "NH4": 3.11,
    "NO3": 15.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1954, 59.4077] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 90,
    "stn_id": "RI2",
    "water_depth": 121,
    "month_gmt": "5",
    "day_gmt": "12",
    "time_gmt": "2330",
    "depth": 117.0,
    "PO4": 1.02,
    "SiOH4": 23.58,
    "NO3_NO2": 16.52,
    "NO2": 0.12,
    "NH4": 3.06,
    "NO3": 16.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.2559, 59.4068] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 91,
    "stn_id": "RI1",
    "water_depth": 97,
    "month_gmt": "5",
    "day_gmt": "13",
    "time_gmt": "0005",
    "depth": 0.0,
    "PO4": 0.61,
    "SiOH4": 17.87,
    "NO3_NO2": 11.58,
    "NO2": 0.11,
    "NH4": 4.53,
    "NO3": 11.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.2559, 59.4068] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 91,
    "stn_id": "RI1",
    "water_depth": 97,
    "month_gmt": "5",
    "day_gmt": "13",
    "time_gmt": "0005",
    "depth": 10.0,
    "PO4": 0.7,
    "SiOH4": 19.05,
    "NO3_NO2": 12.3,
    "NO2": 0.1,
    "NH4": 4.86,
    "NO3": 12.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.2559, 59.4068] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 91,
    "stn_id": "RI1",
    "water_depth": 97,
    "month_gmt": "5",
    "day_gmt": "13",
    "time_gmt": "0005",
    "depth": 20.0,
    "PO4": 0.87,
    "SiOH4": 20.04,
    "NO3_NO2": 13.16,
    "NO2": 0.1,
    "NH4": 4.12,
    "NO3": 13.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.2559, 59.4068] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 91,
    "stn_id": "RI1",
    "water_depth": 97,
    "month_gmt": "5",
    "day_gmt": "13",
    "time_gmt": "0005",
    "depth": 30.0,
    "PO4": 0.97,
    "SiOH4": 19.96,
    "NO3_NO2": 13.3,
    "NO2": 0.11,
    "NH4": 4.68,
    "NO3": 13.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.2559, 59.4068] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 91,
    "stn_id": "RI1",
    "water_depth": 97,
    "month_gmt": "5",
    "day_gmt": "13",
    "time_gmt": "0005",
    "depth": 40.0,
    "PO4": 0.98,
    "SiOH4": 20.77,
    "NO3_NO2": 13.43,
    "NO2": 0.11,
    "NH4": 2.75,
    "NO3": 13.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.2559, 59.4068] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 91,
    "stn_id": "RI1",
    "water_depth": 97,
    "month_gmt": "5",
    "day_gmt": "13",
    "time_gmt": "0005",
    "depth": 50.0,
    "PO4": 1.03,
    "SiOH4": 21.77,
    "NO3_NO2": 14.73,
    "NO2": 0.1,
    "NH4": 1.36,
    "NO3": 14.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.2559, 59.4068] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 91,
    "stn_id": "RI1",
    "water_depth": 97,
    "month_gmt": "5",
    "day_gmt": "13",
    "time_gmt": "0005",
    "depth": 75.0,
    "PO4": 1.01,
    "SiOH4": 22.94,
    "NO3_NO2": 16.24,
    "NO2": 0.12,
    "NH4": 1.42,
    "NO3": 16.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.2559, 59.4068] },
  "properties": {
    "cruise_id": "HX219",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 91,
    "stn_id": "RI1",
    "water_depth": 97,
    "month_gmt": "5",
    "day_gmt": "13",
    "time_gmt": "0005",
    "depth": 91.0,
    "PO4": 1.12,
    "SiOH4": 23.31,
    "NO3_NO2": 16.23,
    "NO2": 0.13,
    "NH4": 2.71,
    "NO3": 16.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3582, 60.0247] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 298,
    "month_gmt": "8",
    "day_gmt": "26",
    "time_gmt": "1827",
    "depth": 0.0,
    "PO4": 0.18,
    "SiOH4": 2.86,
    "NO3_NO2": 0.02,
    "NO2": 0.02,
    "NH4": 1.54,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3582, 60.0247] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 298,
    "month_gmt": "8",
    "day_gmt": "26",
    "time_gmt": "1827",
    "depth": 10.0,
    "PO4": 0.17,
    "SiOH4": 2.6,
    "NO3_NO2": 0.21,
    "NO2": 0.04,
    "NH4": 1.89,
    "NO3": 0.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3582, 60.0247] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 298,
    "month_gmt": "8",
    "day_gmt": "26",
    "time_gmt": "1827",
    "depth": 20.0,
    "PO4": 0.37,
    "SiOH4": 4.54,
    "NO3_NO2": 1.6,
    "NO2": 0.21,
    "NH4": 3.08,
    "NO3": 1.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3582, 60.0247] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 298,
    "month_gmt": "8",
    "day_gmt": "26",
    "time_gmt": "1827",
    "depth": 30.0,
    "PO4": 0.58,
    "SiOH4": 6.76,
    "NO3_NO2": 4.05,
    "NO2": 0.39,
    "NH4": 2.88,
    "NO3": 3.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3582, 60.0247] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 298,
    "month_gmt": "8",
    "day_gmt": "26",
    "time_gmt": "1827",
    "depth": 40.0,
    "PO4": 0.96,
    "SiOH4": 13.0,
    "NO3_NO2": 13.96,
    "NO2": 0.02,
    "NH4": 0.02,
    "NO3": 13.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3582, 60.0247] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 298,
    "month_gmt": "8",
    "day_gmt": "26",
    "time_gmt": "1827",
    "depth": 50.0,
    "PO4": 1.16,
    "SiOH4": 14.21,
    "NO3_NO2": 15.68,
    "NO2": 0.01,
    "NH4": 0.03,
    "NO3": 15.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3582, 60.0247] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 298,
    "month_gmt": "8",
    "day_gmt": "26",
    "time_gmt": "1827",
    "depth": 100.0,
    "PO4": 1.51,
    "SiOH4": 20.73,
    "NO3_NO2": 22.91,
    "NO2": 0.01,
    "NH4": 0.1,
    "NO3": 22.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3582, 60.0247] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 298,
    "month_gmt": "8",
    "day_gmt": "26",
    "time_gmt": "1827",
    "depth": 150.0,
    "PO4": 1.93,
    "SiOH4": 29.81,
    "NO3_NO2": 29.49,
    "NO2": 0.0,
    "NH4": 0.46,
    "NO3": 29.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3582, 60.0247] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 298,
    "month_gmt": "8",
    "day_gmt": "26",
    "time_gmt": "1827",
    "depth": 200.0,
    "PO4": 2.16,
    "SiOH4": 34.77,
    "NO3_NO2": 33.64,
    "NO2": 0.02,
    "NH4": 0.77,
    "NO3": 33.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3582, 60.0247] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 298,
    "month_gmt": "8",
    "day_gmt": "26",
    "time_gmt": "1827",
    "depth": 250.0,
    "PO4": 2.21,
    "SiOH4": 36.16,
    "NO3_NO2": 34.79,
    "NO2": 0.02,
    "NH4": 0.78,
    "NO3": 34.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3582, 60.0247] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 298,
    "month_gmt": "8",
    "day_gmt": "26",
    "time_gmt": "1827",
    "depth": 289.0,
    "PO4": 2.2,
    "SiOH4": 37.74,
    "NO3_NO2": 34.9,
    "NO2": 0.01,
    "NH4": 0.09,
    "NO3": 34.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7933, 58.0991] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2312,
    "month_gmt": "8",
    "day_gmt": "27",
    "time_gmt": "1636",
    "depth": 0.0,
    "PO4": 0.32,
    "SiOH4": 3.7,
    "NO3_NO2": 0.34,
    "NO2": 0.0,
    "NH4": 0.09,
    "NO3": 0.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7933, 58.0991] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2312,
    "month_gmt": "8",
    "day_gmt": "27",
    "time_gmt": "1636",
    "depth": 25.0,
    "PO4": 1.07,
    "SiOH4": 16.53,
    "NO3_NO2": 20.44,
    "NO2": 0.11,
    "NH4": 0.1,
    "NO3": 20.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7933, 58.0991] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2312,
    "month_gmt": "8",
    "day_gmt": "27",
    "time_gmt": "1636",
    "depth": 50.0,
    "PO4": 1.48,
    "SiOH4": 22.59,
    "NO3_NO2": 24.6,
    "NO2": 0.02,
    "NH4": 0.1,
    "NO3": 24.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7933, 58.0991] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2312,
    "month_gmt": "8",
    "day_gmt": "27",
    "time_gmt": "1636",
    "depth": 75.0,
    "PO4": 1.57,
    "SiOH4": 23.35,
    "NO3_NO2": 24.7,
    "NO2": 0.01,
    "NH4": 0.21,
    "NO3": 24.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7933, 58.0991] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2312,
    "month_gmt": "8",
    "day_gmt": "27",
    "time_gmt": "1636",
    "depth": 100.0,
    "PO4": 1.52,
    "SiOH4": 22.45,
    "NO3_NO2": 24.56,
    "NO2": 0.01,
    "NH4": 0.11,
    "NO3": 24.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7933, 58.0991] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2312,
    "month_gmt": "8",
    "day_gmt": "27",
    "time_gmt": "1636",
    "depth": 250.0,
    "PO4": 2.7,
    "SiOH4": 52.22,
    "NO3_NO2": 49.12,
    "NO2": 0.0,
    "NH4": 0.15,
    "NO3": 49.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7933, 58.0991] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2312,
    "month_gmt": "8",
    "day_gmt": "27",
    "time_gmt": "1636",
    "depth": 500.0,
    "PO4": 3.6,
    "SiOH4": null,
    "NO3_NO2": 62.1,
    "NO2": 0.0,
    "NH4": 0.19,
    "NO3": 62.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7933, 58.0991] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2312,
    "month_gmt": "8",
    "day_gmt": "27",
    "time_gmt": "1636",
    "depth": 1000.0,
    "PO4": 3.88,
    "SiOH4": null,
    "NO3_NO2": 64.95,
    "NO2": 0.01,
    "NH4": 0.65,
    "NO3": 64.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7933, 58.0991] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2312,
    "month_gmt": "8",
    "day_gmt": "27",
    "time_gmt": "1636",
    "depth": 1500.0,
    "PO4": 4.0,
    "SiOH4": null,
    "NO3_NO2": 65.3,
    "NO2": 0.01,
    "NH4": 1.35,
    "NO3": 65.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9367, 58.2435] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK12",
    "water_depth": 2161,
    "month_gmt": "8",
    "day_gmt": "27",
    "time_gmt": "2053",
    "depth": 0.0,
    "PO4": 0.38,
    "SiOH4": 0.02,
    "NO3_NO2": 0.53,
    "NO2": 0.05,
    "NH4": 3.62,
    "NO3": 0.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9367, 58.2435] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK12",
    "water_depth": 2161,
    "month_gmt": "8",
    "day_gmt": "27",
    "time_gmt": "2053",
    "depth": 25.0,
    "PO4": 0.7,
    "SiOH4": 5.71,
    "NO3_NO2": 7.76,
    "NO2": 0.16,
    "NH4": 3.1,
    "NO3": 7.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9367, 58.2435] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK12",
    "water_depth": 2161,
    "month_gmt": "8",
    "day_gmt": "27",
    "time_gmt": "2053",
    "depth": 50.0,
    "PO4": 1.32,
    "SiOH4": 16.63,
    "NO3_NO2": 23.74,
    "NO2": 0.08,
    "NH4": 1.54,
    "NO3": 23.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9367, 58.2435] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK12",
    "water_depth": 2161,
    "month_gmt": "8",
    "day_gmt": "27",
    "time_gmt": "2053",
    "depth": 75.0,
    "PO4": 1.49,
    "SiOH4": 16.74,
    "NO3_NO2": 24.16,
    "NO2": 0.08,
    "NH4": 1.19,
    "NO3": 24.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9367, 58.2435] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK12",
    "water_depth": 2161,
    "month_gmt": "8",
    "day_gmt": "27",
    "time_gmt": "2053",
    "depth": 100.0,
    "PO4": 1.53,
    "SiOH4": 16.94,
    "NO3_NO2": 24.27,
    "NO2": 0.07,
    "NH4": 0.95,
    "NO3": 24.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9367, 58.2435] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK12",
    "water_depth": 2161,
    "month_gmt": "8",
    "day_gmt": "27",
    "time_gmt": "2053",
    "depth": 250.0,
    "PO4": 2.79,
    "SiOH4": 49.09,
    "NO3_NO2": 50.61,
    "NO2": 0.04,
    "NH4": 1.06,
    "NO3": 50.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9367, 58.2435] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK12",
    "water_depth": 2161,
    "month_gmt": "8",
    "day_gmt": "27",
    "time_gmt": "2053",
    "depth": 500.0,
    "PO4": 3.57,
    "SiOH4": null,
    "NO3_NO2": 61.32,
    "NO2": 0.04,
    "NH4": 1.17,
    "NO3": 61.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9367, 58.2435] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK12",
    "water_depth": 2161,
    "month_gmt": "8",
    "day_gmt": "27",
    "time_gmt": "2053",
    "depth": 1000.0,
    "PO4": 3.97,
    "SiOH4": null,
    "NO3_NO2": 64.09,
    "NO2": 0.03,
    "NH4": 1.14,
    "NO3": 64.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9367, 58.2435] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK12",
    "water_depth": 2161,
    "month_gmt": "8",
    "day_gmt": "27",
    "time_gmt": "2053",
    "depth": 1500.0,
    "PO4": 3.96,
    "SiOH4": null,
    "NO3_NO2": 63.87,
    "NO2": 0.03,
    "NH4": 1.39,
    "NO3": 63.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0746, 58.3891] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "GAK11",
    "water_depth": 1429,
    "month_gmt": "8",
    "day_gmt": "27",
    "time_gmt": "2334",
    "depth": 0.0,
    "PO4": 0.03,
    "SiOH4": 0.54,
    "NO3_NO2": 0.23,
    "NO2": 0.04,
    "NH4": 4.25,
    "NO3": 0.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0746, 58.3891] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "GAK11",
    "water_depth": 1429,
    "month_gmt": "8",
    "day_gmt": "27",
    "time_gmt": "2334",
    "depth": 25.0,
    "PO4": 0.55,
    "SiOH4": 9.23,
    "NO3_NO2": 15.58,
    "NO2": 0.07,
    "NH4": 2.35,
    "NO3": 15.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0746, 58.3891] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "GAK11",
    "water_depth": 1429,
    "month_gmt": "8",
    "day_gmt": "27",
    "time_gmt": "2334",
    "depth": 50.0,
    "PO4": 1.28,
    "SiOH4": 17.18,
    "NO3_NO2": 23.44,
    "NO2": 0.02,
    "NH4": 0.81,
    "NO3": 23.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0746, 58.3891] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "GAK11",
    "water_depth": 1429,
    "month_gmt": "8",
    "day_gmt": "27",
    "time_gmt": "2334",
    "depth": 75.0,
    "PO4": 1.42,
    "SiOH4": 17.81,
    "NO3_NO2": 24.03,
    "NO2": 0.01,
    "NH4": 1.01,
    "NO3": 24.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0746, 58.3891] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "GAK11",
    "water_depth": 1429,
    "month_gmt": "8",
    "day_gmt": "27",
    "time_gmt": "2334",
    "depth": 100.0,
    "PO4": 1.48,
    "SiOH4": 19.73,
    "NO3_NO2": 24.93,
    "NO2": 0.02,
    "NH4": 2.85,
    "NO3": 24.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0746, 58.3891] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "GAK11",
    "water_depth": 1429,
    "month_gmt": "8",
    "day_gmt": "27",
    "time_gmt": "2334",
    "depth": 250.0,
    "PO4": 2.82,
    "SiOH4": 57.62,
    "NO3_NO2": 50.29,
    "NO2": 0.01,
    "NH4": 4.83,
    "NO3": 50.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0746, 58.3891] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "GAK11",
    "water_depth": 1429,
    "month_gmt": "8",
    "day_gmt": "27",
    "time_gmt": "2334",
    "depth": 500.0,
    "PO4": 3.61,
    "SiOH4": null,
    "NO3_NO2": 57.96,
    "NO2": 0.0,
    "NH4": 4.09,
    "NO3": 57.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0746, 58.3891] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "GAK11",
    "water_depth": 1429,
    "month_gmt": "8",
    "day_gmt": "27",
    "time_gmt": "2334",
    "depth": 1000.0,
    "PO4": 3.81,
    "SiOH4": null,
    "NO3_NO2": 59.04,
    "NO2": 0.01,
    "NH4": 2.37,
    "NO3": 59.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0746, 58.3891] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "GAK11",
    "water_depth": 1429,
    "month_gmt": "8",
    "day_gmt": "27",
    "time_gmt": "2334",
    "depth": 1418.0,
    "PO4": 3.8,
    "SiOH4": null,
    "NO3_NO2": 59.03,
    "NO2": 0.0,
    "NH4": 1.73,
    "NO3": 59.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2117, 58.5416] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 8,
    "stn_id": "GAK10",
    "water_depth": 1455,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "0212",
    "depth": 0.0,
    "PO4": 0.47,
    "SiOH4": 1.46,
    "NO3_NO2": 0.27,
    "NO2": 0.02,
    "NH4": 0.01,
    "NO3": 0.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2117, 58.5416] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 8,
    "stn_id": "GAK10",
    "water_depth": 1455,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "0212",
    "depth": 25.0,
    "PO4": 0.43,
    "SiOH4": 5.39,
    "NO3_NO2": 4.03,
    "NO2": 0.05,
    "NH4": 0.28,
    "NO3": 3.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2117, 58.5416] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 8,
    "stn_id": "GAK10",
    "water_depth": 1455,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "0212",
    "depth": 50.0,
    "PO4": 0.98,
    "SiOH4": 10.05,
    "NO3_NO2": 19.75,
    "NO2": 0.02,
    "NH4": 0.03,
    "NO3": 19.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2117, 58.5416] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 8,
    "stn_id": "GAK10",
    "water_depth": 1455,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "0212",
    "depth": 75.0,
    "PO4": 1.33,
    "SiOH4": 19.28,
    "NO3_NO2": 23.09,
    "NO2": 0.01,
    "NH4": 1.8,
    "NO3": 23.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2117, 58.5416] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 8,
    "stn_id": "GAK10",
    "water_depth": 1455,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "0212",
    "depth": 100.0,
    "PO4": 1.42,
    "SiOH4": 22.11,
    "NO3_NO2": 24.18,
    "NO2": 0.03,
    "NH4": 4.72,
    "NO3": 24.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2117, 58.5416] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 8,
    "stn_id": "GAK10",
    "water_depth": 1455,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "0212",
    "depth": 250.0,
    "PO4": 2.49,
    "SiOH4": 53.5,
    "NO3_NO2": 47.22,
    "NO2": 0.04,
    "NH4": 6.84,
    "NO3": 47.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2117, 58.5416] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 8,
    "stn_id": "GAK10",
    "water_depth": 1455,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "0212",
    "depth": 500.0,
    "PO4": 3.44,
    "SiOH4": null,
    "NO3_NO2": 57.88,
    "NO2": 0.01,
    "NH4": 5.68,
    "NO3": 57.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2117, 58.5416] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 8,
    "stn_id": "GAK10",
    "water_depth": 1455,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "0212",
    "depth": 1000.0,
    "PO4": 3.72,
    "SiOH4": null,
    "NO3_NO2": 59.2,
    "NO2": 0.02,
    "NH4": 4.9,
    "NO3": 59.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2117, 58.5416] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 8,
    "stn_id": "GAK10",
    "water_depth": 1455,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "0212",
    "depth": 1463.0,
    "PO4": 3.89,
    "SiOH4": null,
    "NO3_NO2": 58.88,
    "NO2": 0.01,
    "NH4": 4.96,
    "NO3": 58.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2788, 58.6105] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "GAK9I",
    "water_depth": 680,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "0359",
    "depth": 0.0,
    "PO4": 0.45,
    "SiOH4": 10.65,
    "NO3_NO2": 9.96,
    "NO2": 0.02,
    "NH4": 0.41,
    "NO3": 9.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2788, 58.6105] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "GAK9I",
    "water_depth": 680,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "0359",
    "depth": 10.0,
    "PO4": 0.47,
    "SiOH4": 5.47,
    "NO3_NO2": 0.37,
    "NO2": 0.03,
    "NH4": 0.48,
    "NO3": 0.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2788, 58.6105] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "GAK9I",
    "water_depth": 680,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "0359",
    "depth": 20.0,
    "PO4": 0.52,
    "SiOH4": 8.71,
    "NO3_NO2": 5.22,
    "NO2": 0.05,
    "NH4": 1.94,
    "NO3": 5.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2788, 58.6105] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "GAK9I",
    "water_depth": 680,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "0359",
    "depth": 30.0,
    "PO4": 0.76,
    "SiOH4": 13.23,
    "NO3_NO2": 12.9,
    "NO2": 0.14,
    "NH4": 3.09,
    "NO3": 12.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2788, 58.6105] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "GAK9I",
    "water_depth": 680,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "0359",
    "depth": 40.0,
    "PO4": 1.08,
    "SiOH4": 17.57,
    "NO3_NO2": 18.57,
    "NO2": 0.06,
    "NH4": 5.28,
    "NO3": 18.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2788, 58.6105] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "GAK9I",
    "water_depth": 680,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "0359",
    "depth": 50.0,
    "PO4": 1.29,
    "SiOH4": 19.8,
    "NO3_NO2": 21.27,
    "NO2": 0.03,
    "NH4": 4.02,
    "NO3": 21.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2788, 58.6105] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "GAK9I",
    "water_depth": 680,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "0359",
    "depth": 100.0,
    "PO4": 1.5,
    "SiOH4": 26.88,
    "NO3_NO2": 26.18,
    "NO2": 0.01,
    "NH4": 2.06,
    "NO3": 26.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2788, 58.6105] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "GAK9I",
    "water_depth": 680,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "0359",
    "depth": 250.0,
    "PO4": 2.59,
    "SiOH4": 63.44,
    "NO3_NO2": 51.06,
    "NO2": 0.0,
    "NH4": 1.71,
    "NO3": 51.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2788, 58.6105] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "GAK9I",
    "water_depth": 680,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "0359",
    "depth": 500.0,
    "PO4": 3.47,
    "SiOH4": null,
    "NO3_NO2": 60.19,
    "NO2": 0.0,
    "NH4": 1.6,
    "NO3": 60.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2788, 58.6105] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "GAK9I",
    "water_depth": 680,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "0359",
    "depth": 679.0,
    "PO4": 3.63,
    "SiOH4": null,
    "NO3_NO2": 61.07,
    "NO2": 0.01,
    "NH4": 1.11,
    "NO3": 61.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3491, 58.6785] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1451",
    "depth": 0.0,
    "PO4": 0.35,
    "SiOH4": 5.05,
    "NO3_NO2": 0.08,
    "NO2": 0.01,
    "NH4": 2.71,
    "NO3": 0.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3491, 58.6785] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1451",
    "depth": 10.0,
    "PO4": 0.38,
    "SiOH4": 5.45,
    "NO3_NO2": 0.77,
    "NO2": 0.02,
    "NH4": 4.1,
    "NO3": 0.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3491, 58.6785] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1451",
    "depth": 20.0,
    "PO4": 0.6,
    "SiOH4": 9.05,
    "NO3_NO2": 6.63,
    "NO2": 0.13,
    "NH4": 6.08,
    "NO3": 6.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3491, 58.6785] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1451",
    "depth": 30.0,
    "PO4": 0.89,
    "SiOH4": 14.58,
    "NO3_NO2": 15.82,
    "NO2": 0.13,
    "NH4": 6.04,
    "NO3": 15.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3491, 58.6785] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1451",
    "depth": 40.0,
    "PO4": 1.18,
    "SiOH4": 18.28,
    "NO3_NO2": 19.91,
    "NO2": 0.1,
    "NH4": 3.07,
    "NO3": 19.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3491, 58.6785] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1451",
    "depth": 50.0,
    "PO4": 1.05,
    "SiOH4": 21.18,
    "NO3_NO2": 28.02,
    "NO2": 0.0,
    "NH4": 0.97,
    "NO3": 21.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3491, 58.6785] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1451",
    "depth": 100.0,
    "PO4": 1.63,
    "SiOH4": 28.08,
    "NO3_NO2": 33.12,
    "NO2": 0.12,
    "NH4": 1.02,
    "NO3": 25.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3491, 58.6785] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1451",
    "depth": 150.0,
    "PO4": 2.22,
    "SiOH4": 42.75,
    "NO3_NO2": 45.83,
    "NO2": 0.13,
    "NH4": 1.64,
    "NO3": 35.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3491, 58.6785] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1451",
    "depth": 200.0,
    "PO4": 2.95,
    "SiOH4": 64.48,
    "NO3_NO2": 63.08,
    "NO2": 0.13,
    "NH4": 2.33,
    "NO3": 48.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3491, 58.6785] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1451",
    "depth": 274.0,
    "PO4": 3.37,
    "SiOH4": 74.95,
    "NO3_NO2": 68.19,
    "NO2": 0.13,
    "NH4": 2.45,
    "NO3": 52.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.419, 58.7418] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 12,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1617",
    "depth": 0.0,
    "PO4": 0.27,
    "SiOH4": 6.14,
    "NO3_NO2": 0.08,
    "NO2": 0.02,
    "NH4": 2.73,
    "NO3": 0.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.419, 58.7418] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 12,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1617",
    "depth": 10.0,
    "PO4": 0.29,
    "SiOH4": 6.43,
    "NO3_NO2": 0.44,
    "NO2": 0.04,
    "NH4": 1.73,
    "NO3": 0.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.419, 58.7418] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 12,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1617",
    "depth": 20.0,
    "PO4": 0.55,
    "SiOH4": 9.36,
    "NO3_NO2": 5.01,
    "NO2": 0.09,
    "NH4": 2.09,
    "NO3": 4.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.419, 58.7418] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 12,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1617",
    "depth": 30.0,
    "PO4": 0.79,
    "SiOH4": 11.3,
    "NO3_NO2": 9.52,
    "NO2": 0.15,
    "NH4": 1.62,
    "NO3": 9.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.419, 58.7418] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 12,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1617",
    "depth": 40.0,
    "PO4": 1.06,
    "SiOH4": 14.6,
    "NO3_NO2": 15.99,
    "NO2": 0.08,
    "NH4": 2.64,
    "NO3": 15.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.419, 58.7418] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 12,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1617",
    "depth": 50.0,
    "PO4": 1.31,
    "SiOH4": 17.63,
    "NO3_NO2": 20.09,
    "NO2": 0.03,
    "NH4": 2.9,
    "NO3": 20.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.419, 58.7418] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 12,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1617",
    "depth": 100.0,
    "PO4": 1.64,
    "SiOH4": 26.7,
    "NO3_NO2": 26.77,
    "NO2": 0.03,
    "NH4": 6.71,
    "NO3": 26.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.419, 58.7418] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 12,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1617",
    "depth": 150.0,
    "PO4": 2.4,
    "SiOH4": 49.42,
    "NO3_NO2": 43.38,
    "NO2": 0.01,
    "NH4": 8.81,
    "NO3": 43.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.419, 58.7418] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 12,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1617",
    "depth": 200.0,
    "PO4": 3.18,
    "SiOH4": 72.31,
    "NO3_NO2": 55.43,
    "NO2": 0.0,
    "NH4": 4.99,
    "NO3": 55.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.419, 58.7418] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 12,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1617",
    "depth": 280.0,
    "PO4": 3.39,
    "SiOH4": 80.01,
    "NO3_NO2": 58.1,
    "NO2": 0.02,
    "NH4": 3.99,
    "NO3": 58.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4904, 58.7907] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "GAK8",
    "water_depth": 287,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1713",
    "depth": 0.0,
    "PO4": 0.1,
    "SiOH4": 5.68,
    "NO3_NO2": 0.04,
    "NO2": 0.01,
    "NH4": 7.1,
    "NO3": 0.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4904, 58.7907] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "GAK8",
    "water_depth": 287,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1713",
    "depth": 10.0,
    "PO4": 0.18,
    "SiOH4": 6.42,
    "NO3_NO2": 0.53,
    "NO2": 0.01,
    "NH4": 5.69,
    "NO3": 0.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4904, 58.7907] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "GAK8",
    "water_depth": 287,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1713",
    "depth": 20.0,
    "PO4": 0.59,
    "SiOH4": 12.11,
    "NO3_NO2": 10.55,
    "NO2": 0.06,
    "NH4": 6.78,
    "NO3": 10.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4904, 58.7907] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "GAK8",
    "water_depth": 287,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1713",
    "depth": 30.0,
    "PO4": 0.88,
    "SiOH4": 14.95,
    "NO3_NO2": 15.39,
    "NO2": 0.02,
    "NH4": 6.23,
    "NO3": 15.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4904, 58.7907] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "GAK8",
    "water_depth": 287,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1713",
    "depth": 40.0,
    "PO4": 1.18,
    "SiOH4": 19.63,
    "NO3_NO2": 21.8,
    "NO2": 0.01,
    "NH4": 4.92,
    "NO3": 21.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4904, 58.7907] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "GAK8",
    "water_depth": 287,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1713",
    "depth": 50.0,
    "PO4": 1.3,
    "SiOH4": 22.11,
    "NO3_NO2": 23.38,
    "NO2": 0.01,
    "NH4": 4.48,
    "NO3": 23.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4904, 58.7907] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "GAK8",
    "water_depth": 287,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1713",
    "depth": 100.0,
    "PO4": 1.53,
    "SiOH4": 30.36,
    "NO3_NO2": 28.63,
    "NO2": 0.01,
    "NH4": 4.31,
    "NO3": 28.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4904, 58.7907] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "GAK8",
    "water_depth": 287,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1713",
    "depth": 150.0,
    "PO4": 2.15,
    "SiOH4": 47.67,
    "NO3_NO2": 41.16,
    "NO2": 0.01,
    "NH4": 3.14,
    "NO3": 41.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4904, 58.7907] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "GAK8",
    "water_depth": 287,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1713",
    "depth": 200.0,
    "PO4": 2.84,
    "SiOH4": 67.18,
    "NO3_NO2": 52.6,
    "NO2": 0.0,
    "NH4": 1.69,
    "NO3": 52.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4904, 58.7907] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "GAK8",
    "water_depth": 287,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1713",
    "depth": 280.0,
    "PO4": 3.16,
    "SiOH4": 82.66,
    "NO3_NO2": 58.8,
    "NO2": 0.03,
    "NH4": 1.98,
    "NO3": 58.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6343, 58.971] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "GAK7",
    "water_depth": 241,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1912",
    "depth": 0.0,
    "PO4": 0.26,
    "SiOH4": 5.31,
    "NO3_NO2": 0.15,
    "NO2": 0.14,
    "NH4": 2.98,
    "NO3": 0.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6343, 58.971] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "GAK7",
    "water_depth": 241,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1912",
    "depth": 10.0,
    "PO4": 0.23,
    "SiOH4": 5.32,
    "NO3_NO2": 0.16,
    "NO2": 0.15,
    "NH4": 2.13,
    "NO3": 0.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6343, 58.971] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "GAK7",
    "water_depth": 241,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1912",
    "depth": 20.0,
    "PO4": 0.36,
    "SiOH4": 7.15,
    "NO3_NO2": 2.83,
    "NO2": 0.08,
    "NH4": 2.51,
    "NO3": 2.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6343, 58.971] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "GAK7",
    "water_depth": 241,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1912",
    "depth": 30.0,
    "PO4": 0.79,
    "SiOH4": 12.99,
    "NO3_NO2": 14.54,
    "NO2": 0.09,
    "NH4": 3.41,
    "NO3": 14.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6343, 58.971] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "GAK7",
    "water_depth": 241,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1912",
    "depth": 40.0,
    "PO4": 1.06,
    "SiOH4": 15.19,
    "NO3_NO2": 17.2,
    "NO2": 0.07,
    "NH4": 4.12,
    "NO3": 17.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6343, 58.971] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "GAK7",
    "water_depth": 241,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1912",
    "depth": 50.0,
    "PO4": 1.26,
    "SiOH4": 17.7,
    "NO3_NO2": 20.36,
    "NO2": 0.03,
    "NH4": 6.03,
    "NO3": 20.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6343, 58.971] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "GAK7",
    "water_depth": 241,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1912",
    "depth": 100.0,
    "PO4": 1.2,
    "SiOH4": 20.36,
    "NO3_NO2": 19.92,
    "NO2": 0.05,
    "NH4": 5.49,
    "NO3": 19.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6343, 58.971] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "GAK7",
    "water_depth": 241,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1912",
    "depth": 150.0,
    "PO4": 1.99,
    "SiOH4": 39.29,
    "NO3_NO2": 37.89,
    "NO2": 0.06,
    "NH4": null,
    "NO3": 37.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6343, 58.971] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "GAK7",
    "water_depth": 241,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1912",
    "depth": 200.0,
    "PO4": 2.45,
    "SiOH4": 49.21,
    "NO3_NO2": 44.46,
    "NO2": 0.15,
    "NH4": 4.17,
    "NO3": 44.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6343, 58.971] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "GAK7",
    "water_depth": 241,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "1912",
    "depth": 240.0,
    "PO4": 2.53,
    "SiOH4": 51.34,
    "NO3_NO2": 45.01,
    "NO2": 0.11,
    "NH4": 2.65,
    "NO3": 44.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7737, 59.1166] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2050",
    "depth": 0.0,
    "PO4": 0.03,
    "SiOH4": 5.35,
    "NO3_NO2": 0.05,
    "NO2": 0.02,
    "NH4": 1.45,
    "NO3": 0.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7737, 59.1166] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2050",
    "depth": 10.0,
    "PO4": 0.13,
    "SiOH4": 5.44,
    "NO3_NO2": 0.29,
    "NO2": 0.02,
    "NH4": 1.19,
    "NO3": 0.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7737, 59.1166] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2050",
    "depth": 20.0,
    "PO4": 0.33,
    "SiOH4": 7.65,
    "NO3_NO2": 4.07,
    "NO2": 0.06,
    "NH4": 1.42,
    "NO3": 4.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7737, 59.1166] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2050",
    "depth": 30.0,
    "PO4": 0.69,
    "SiOH4": 11.14,
    "NO3_NO2": 11.13,
    "NO2": 0.11,
    "NH4": 1.61,
    "NO3": 11.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7737, 59.1166] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2050",
    "depth": 40.0,
    "PO4": 1.04,
    "SiOH4": 13.95,
    "NO3_NO2": 16.08,
    "NO2": 0.06,
    "NH4": 2.21,
    "NO3": 16.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7737, 59.1166] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2050",
    "depth": 50.0,
    "PO4": 1.25,
    "SiOH4": 16.69,
    "NO3_NO2": 19.49,
    "NO2": 0.03,
    "NH4": 2.41,
    "NO3": 19.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7737, 59.1166] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2050",
    "depth": 75.0,
    "PO4": 1.49,
    "SiOH4": 21.24,
    "NO3_NO2": 23.88,
    "NO2": 0.03,
    "NH4": 2.33,
    "NO3": 23.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7737, 59.1166] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2050",
    "depth": 147.0,
    "PO4": 2.33,
    "SiOH4": 42.43,
    "NO3_NO2": 39.81,
    "NO2": 0.05,
    "NH4": 2.34,
    "NO3": 39.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.841, 59.1899] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2143",
    "depth": 0.0,
    "PO4": 0.33,
    "SiOH4": 5.17,
    "NO3_NO2": 0.07,
    "NO2": 0.02,
    "NH4": 5.99,
    "NO3": 0.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.841, 59.1899] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2143",
    "depth": 10.0,
    "PO4": 0.34,
    "SiOH4": 5.19,
    "NO3_NO2": 0.14,
    "NO2": 0.04,
    "NH4": 5.5,
    "NO3": 0.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.841, 59.1899] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2143",
    "depth": 20.0,
    "PO4": 0.52,
    "SiOH4": 8.7,
    "NO3_NO2": 5.5,
    "NO2": 0.07,
    "NH4": 5.43,
    "NO3": 5.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.841, 59.1899] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2143",
    "depth": 30.0,
    "PO4": 0.96,
    "SiOH4": 13.64,
    "NO3_NO2": 16.86,
    "NO2": 0.06,
    "NH4": 5.83,
    "NO3": 16.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.841, 59.1899] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2143",
    "depth": 40.0,
    "PO4": 1.29,
    "SiOH4": 17.29,
    "NO3_NO2": 22.14,
    "NO2": 0.02,
    "NH4": 5.12,
    "NO3": 22.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.841, 59.1899] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2143",
    "depth": 50.0,
    "PO4": 1.42,
    "SiOH4": 18.6,
    "NO3_NO2": 23.86,
    "NO2": 0.02,
    "NH4": 4.54,
    "NO3": 23.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.841, 59.1899] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2143",
    "depth": 75.0,
    "PO4": 1.45,
    "SiOH4": 21.65,
    "NO3_NO2": 27.21,
    "NO2": 0.04,
    "NH4": 4.5,
    "NO3": 27.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.841, 59.1899] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2143",
    "depth": 100.0,
    "PO4": 1.83,
    "SiOH4": 28.34,
    "NO3_NO2": 32.14,
    "NO2": 0.04,
    "NH4": 3.12,
    "NO3": 32.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.841, 59.1899] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2143",
    "depth": 168.0,
    "PO4": 2.15,
    "SiOH4": 38.42,
    "NO3_NO2": 40.22,
    "NO2": 0.01,
    "NH4": 2.39,
    "NO3": 40.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9099, 59.2618] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2231",
    "depth": 0.0,
    "PO4": 0.02,
    "SiOH4": 5.54,
    "NO3_NO2": 0.21,
    "NO2": 0.01,
    "NH4": 2.69,
    "NO3": 0.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9099, 59.2618] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2231",
    "depth": 10.0,
    "PO4": 0.03,
    "SiOH4": 5.79,
    "NO3_NO2": 3.93,
    "NO2": 0.06,
    "NH4": 2.59,
    "NO3": 3.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9099, 59.2618] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2231",
    "depth": 20.0,
    "PO4": 0.18,
    "SiOH4": 11.33,
    "NO3_NO2": 14.36,
    "NO2": 0.24,
    "NH4": 2.56,
    "NO3": 14.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9099, 59.2618] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2231",
    "depth": 30.0,
    "PO4": 0.28,
    "SiOH4": 14.23,
    "NO3_NO2": 18.5,
    "NO2": 0.22,
    "NH4": 3.93,
    "NO3": 18.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9099, 59.2618] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2231",
    "depth": 40.0,
    "PO4": 1.45,
    "SiOH4": 16.83,
    "NO3_NO2": 22.21,
    "NO2": 0.05,
    "NH4": 3.23,
    "NO3": 22.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9099, 59.2618] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2231",
    "depth": 50.0,
    "PO4": 1.62,
    "SiOH4": 20.48,
    "NO3_NO2": 25.93,
    "NO2": 0.03,
    "NH4": 3.77,
    "NO3": 25.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9099, 59.2618] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2231",
    "depth": 75.0,
    "PO4": 1.59,
    "SiOH4": 22.78,
    "NO3_NO2": 28.0,
    "NO2": 0.03,
    "NH4": 3.62,
    "NO3": 27.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9099, 59.2618] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2231",
    "depth": 100.0,
    "PO4": 1.57,
    "SiOH4": 25.68,
    "NO3_NO2": 30.43,
    "NO2": 0.03,
    "NH4": 4.2,
    "NO3": 30.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9099, 59.2618] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2231",
    "depth": 168.0,
    "PO4": 1.74,
    "SiOH4": 36.6,
    "NO3_NO2": 38.72,
    "NO2": 0.02,
    "NH4": 4.41,
    "NO3": 38.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.979, 59.335] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 20,
    "stn_id": "GAK4I",
    "water_depth": 199,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2337",
    "depth": 0.0,
    "PO4": 0.26,
    "SiOH4": 0.71,
    "NO3_NO2": 0.2,
    "NO2": 0.01,
    "NH4": 1.67,
    "NO3": 0.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.979, 59.335] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 20,
    "stn_id": "GAK4I",
    "water_depth": 199,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2337",
    "depth": 10.0,
    "PO4": 0.28,
    "SiOH4": 3.7,
    "NO3_NO2": 0.61,
    "NO2": 0.03,
    "NH4": 2.02,
    "NO3": 0.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.979, 59.335] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 20,
    "stn_id": "GAK4I",
    "water_depth": 199,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2337",
    "depth": 20.0,
    "PO4": 0.39,
    "SiOH4": 6.6,
    "NO3_NO2": 4.52,
    "NO2": 0.09,
    "NH4": 4.72,
    "NO3": 4.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.979, 59.335] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 20,
    "stn_id": "GAK4I",
    "water_depth": 199,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2337",
    "depth": 30.0,
    "PO4": 0.8,
    "SiOH4": 14.05,
    "NO3_NO2": 15.86,
    "NO2": 0.22,
    "NH4": 3.33,
    "NO3": 15.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.979, 59.335] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 20,
    "stn_id": "GAK4I",
    "water_depth": 199,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2337",
    "depth": 40.0,
    "PO4": 1.14,
    "SiOH4": 17.94,
    "NO3_NO2": 20.63,
    "NO2": 0.03,
    "NH4": 2.0,
    "NO3": 20.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.979, 59.335] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 20,
    "stn_id": "GAK4I",
    "water_depth": 199,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2337",
    "depth": 50.0,
    "PO4": 1.25,
    "SiOH4": 19.71,
    "NO3_NO2": 23.04,
    "NO2": 0.02,
    "NH4": 1.0,
    "NO3": 23.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.979, 59.335] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 20,
    "stn_id": "GAK4I",
    "water_depth": 199,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2337",
    "depth": 75.0,
    "PO4": 1.45,
    "SiOH4": 21.41,
    "NO3_NO2": 25.6,
    "NO2": 0.01,
    "NH4": 0.89,
    "NO3": 25.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.979, 59.335] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 20,
    "stn_id": "GAK4I",
    "water_depth": 199,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2337",
    "depth": 100.0,
    "PO4": 1.46,
    "SiOH4": 23.49,
    "NO3_NO2": 27.51,
    "NO2": 0.02,
    "NH4": 0.42,
    "NO3": 27.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.979, 59.335] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 20,
    "stn_id": "GAK4I",
    "water_depth": 199,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2337",
    "depth": 150.0,
    "PO4": 1.88,
    "SiOH4": 36.46,
    "NO3_NO2": 37.99,
    "NO2": 0.08,
    "NH4": 0.58,
    "NO3": 37.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.979, 59.335] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 20,
    "stn_id": "GAK4I",
    "water_depth": 199,
    "month_gmt": "8",
    "day_gmt": "28",
    "time_gmt": "2337",
    "depth": 195.0,
    "PO4": 2.04,
    "SiOH4": 38.0,
    "NO3_NO2": 39.33,
    "NO2": 0.14,
    "NH4": 2.07,
    "NO3": 39.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0494, 59.4076] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0025",
    "depth": 0.0,
    "PO4": 0.14,
    "SiOH4": 5.43,
    "NO3_NO2": 0.17,
    "NO2": 0.02,
    "NH4": 3.27,
    "NO3": 0.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0494, 59.4076] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0025",
    "depth": 10.0,
    "PO4": 0.11,
    "SiOH4": 5.99,
    "NO3_NO2": 1.08,
    "NO2": 0.13,
    "NH4": 1.76,
    "NO3": 0.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0494, 59.4076] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0025",
    "depth": 20.0,
    "PO4": 0.43,
    "SiOH4": 10.71,
    "NO3_NO2": 10.64,
    "NO2": 0.16,
    "NH4": 1.1,
    "NO3": 10.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0494, 59.4076] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0025",
    "depth": 30.0,
    "PO4": 0.72,
    "SiOH4": 12.86,
    "NO3_NO2": 15.76,
    "NO2": 0.15,
    "NH4": 1.02,
    "NO3": 15.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0494, 59.4076] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0025",
    "depth": 40.0,
    "PO4": 0.91,
    "SiOH4": 13.5,
    "NO3_NO2": 18.1,
    "NO2": 0.26,
    "NH4": 1.13,
    "NO3": 17.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0494, 59.4076] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0025",
    "depth": 50.0,
    "PO4": 1.05,
    "SiOH4": 16.56,
    "NO3_NO2": 22.3,
    "NO2": 0.16,
    "NH4": 0.56,
    "NO3": 22.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0494, 59.4076] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0025",
    "depth": 75.0,
    "PO4": 1.25,
    "SiOH4": 21.28,
    "NO3_NO2": 26.21,
    "NO2": 0.08,
    "NH4": 0.76,
    "NO3": 26.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0494, 59.4076] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0025",
    "depth": 100.0,
    "PO4": 1.34,
    "SiOH4": 22.6,
    "NO3_NO2": 27.77,
    "NO2": 0.07,
    "NH4": 1.26,
    "NO3": 27.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0494, 59.4076] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0025",
    "depth": 150.0,
    "PO4": 1.76,
    "SiOH4": 35.19,
    "NO3_NO2": 38.03,
    "NO2": 0.06,
    "NH4": 1.76,
    "NO3": 37.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0494, 59.4076] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0025",
    "depth": 200.0,
    "PO4": 1.86,
    "SiOH4": 37.87,
    "NO3_NO2": 39.23,
    "NO2": 0.03,
    "NH4": 1.87,
    "NO3": 39.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1181, 59.4816] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK3I",
    "water_depth": 210,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0123",
    "depth": 0.0,
    "PO4": 0.35,
    "SiOH4": 4.65,
    "NO3_NO2": 0.32,
    "NO2": 0.03,
    "NH4": 1.96,
    "NO3": 0.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1181, 59.4816] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK3I",
    "water_depth": 210,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0123",
    "depth": 10.0,
    "PO4": 0.44,
    "SiOH4": 6.68,
    "NO3_NO2": 4.3,
    "NO2": 0.17,
    "NH4": 1.58,
    "NO3": 4.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1181, 59.4816] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK3I",
    "water_depth": 210,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0123",
    "depth": 20.0,
    "PO4": 0.73,
    "SiOH4": 10.51,
    "NO3_NO2": 10.49,
    "NO2": 0.2,
    "NH4": 1.17,
    "NO3": 10.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1181, 59.4816] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK3I",
    "water_depth": 210,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0123",
    "depth": 30.0,
    "PO4": 1.29,
    "SiOH4": 16.47,
    "NO3_NO2": 18.52,
    "NO2": 0.15,
    "NH4": 0.68,
    "NO3": 18.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1181, 59.4816] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK3I",
    "water_depth": 210,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0123",
    "depth": 40.0,
    "PO4": 1.55,
    "SiOH4": 17.19,
    "NO3_NO2": 20.6,
    "NO2": 0.11,
    "NH4": 0.68,
    "NO3": 20.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1181, 59.4816] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK3I",
    "water_depth": 210,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0123",
    "depth": 50.0,
    "PO4": 1.68,
    "SiOH4": 18.49,
    "NO3_NO2": 21.45,
    "NO2": 0.11,
    "NH4": 0.6,
    "NO3": 21.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1181, 59.4816] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK3I",
    "water_depth": 210,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0123",
    "depth": 75.0,
    "PO4": 1.79,
    "SiOH4": 22.89,
    "NO3_NO2": 24.18,
    "NO2": 0.12,
    "NH4": 0.18,
    "NO3": 24.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1181, 59.4816] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK3I",
    "water_depth": 210,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0123",
    "depth": 100.0,
    "PO4": 2.07,
    "SiOH4": 29.43,
    "NO3_NO2": 28.16,
    "NO2": 0.17,
    "NH4": 0.33,
    "NO3": 27.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1181, 59.4816] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK3I",
    "water_depth": 210,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0123",
    "depth": 150.0,
    "PO4": 2.35,
    "SiOH4": 35.22,
    "NO3_NO2": 33.31,
    "NO2": 0.15,
    "NH4": 0.47,
    "NO3": 33.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1181, 59.4816] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK3I",
    "water_depth": 210,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0123",
    "depth": 201.0,
    "PO4": 2.65,
    "SiOH4": 40.94,
    "NO3_NO2": 36.05,
    "NO2": 0.17,
    "NH4": 1.06,
    "NO3": 35.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.188, 59.5528] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0212",
    "depth": 0.0,
    "PO4": 0.27,
    "SiOH4": 5.39,
    "NO3_NO2": 2.12,
    "NO2": 0.2,
    "NH4": 0.03,
    "NO3": 1.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.188, 59.5528] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0212",
    "depth": 10.0,
    "PO4": 0.47,
    "SiOH4": 8.9,
    "NO3_NO2": 7.47,
    "NO2": 0.25,
    "NH4": 0.71,
    "NO3": 7.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.188, 59.5528] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0212",
    "depth": 20.0,
    "PO4": 0.83,
    "SiOH4": 12.73,
    "NO3_NO2": 13.66,
    "NO2": 0.23,
    "NH4": 0.26,
    "NO3": 13.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.188, 59.5528] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0212",
    "depth": 30.0,
    "PO4": 1.19,
    "SiOH4": 15.42,
    "NO3_NO2": 17.51,
    "NO2": 0.21,
    "NH4": 0.55,
    "NO3": 17.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.188, 59.5528] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0212",
    "depth": 40.0,
    "PO4": 1.45,
    "SiOH4": 18.51,
    "NO3_NO2": 20.18,
    "NO2": 0.21,
    "NH4": 0.29,
    "NO3": 19.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.188, 59.5528] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0212",
    "depth": 50.0,
    "PO4": 1.61,
    "SiOH4": 21.03,
    "NO3_NO2": 22.2,
    "NO2": 0.22,
    "NH4": 0.47,
    "NO3": 21.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.188, 59.5528] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0212",
    "depth": 75.0,
    "PO4": 1.8,
    "SiOH4": 21.67,
    "NO3_NO2": 23.76,
    "NO2": 0.22,
    "NH4": 0.8,
    "NO3": 23.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.188, 59.5528] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0212",
    "depth": 100.0,
    "PO4": 1.89,
    "SiOH4": 24.03,
    "NO3_NO2": 25.78,
    "NO2": 0.23,
    "NH4": 1.09,
    "NO3": 25.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.188, 59.5528] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0212",
    "depth": 150.0,
    "PO4": 2.24,
    "SiOH4": 32.86,
    "NO3_NO2": 31.65,
    "NO2": 0.23,
    "NH4": 0.45,
    "NO3": 31.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.188, 59.5528] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0212",
    "depth": 210.0,
    "PO4": 2.97,
    "SiOH4": 40.78,
    "NO3_NO2": 37.19,
    "NO2": 0.23,
    "NH4": 1.23,
    "NO3": 36.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2553, 59.6262] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0321",
    "depth": 0.0,
    "PO4": 0.01,
    "SiOH4": 4.25,
    "NO3_NO2": 0.32,
    "NO2": 0.01,
    "NH4": 1.81,
    "NO3": 0.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2553, 59.6262] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0321",
    "depth": 10.0,
    "PO4": 0.12,
    "SiOH4": 5.88,
    "NO3_NO2": 2.54,
    "NO2": 0.07,
    "NH4": 2.22,
    "NO3": 2.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2553, 59.6262] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0321",
    "depth": 20.0,
    "PO4": 0.42,
    "SiOH4": 8.57,
    "NO3_NO2": 6.19,
    "NO2": 0.17,
    "NH4": 1.74,
    "NO3": 6.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2553, 59.6262] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0321",
    "depth": 30.0,
    "PO4": 0.72,
    "SiOH4": 10.61,
    "NO3_NO2": 9.9,
    "NO2": 0.18,
    "NH4": 1.26,
    "NO3": 9.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2553, 59.6262] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0321",
    "depth": 40.0,
    "PO4": 1.13,
    "SiOH4": 13.96,
    "NO3_NO2": 15.58,
    "NO2": 0.08,
    "NH4": 1.15,
    "NO3": 15.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2553, 59.6262] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0321",
    "depth": 50.0,
    "PO4": 1.46,
    "SiOH4": 17.14,
    "NO3_NO2": 19.75,
    "NO2": 0.06,
    "NH4": 1.59,
    "NO3": 19.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2553, 59.6262] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0321",
    "depth": 75.0,
    "PO4": 1.8,
    "SiOH4": 22.95,
    "NO3_NO2": 24.64,
    "NO2": 0.03,
    "NH4": 1.33,
    "NO3": 24.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2553, 59.6262] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0321",
    "depth": 100.0,
    "PO4": 2.08,
    "SiOH4": 25.47,
    "NO3_NO2": 26.53,
    "NO2": 0.06,
    "NH4": 1.92,
    "NO3": 26.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2553, 59.6262] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0321",
    "depth": 209.0,
    "PO4": 2.75,
    "SiOH4": 41.67,
    "NO3_NO2": 35.53,
    "NO2": 0.05,
    "NH4": 2.74,
    "NO3": 35.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3257, 59.6911] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0407",
    "depth": 0.0,
    "PO4": 0.0,
    "SiOH4": 2.95,
    "NO3_NO2": 0.1,
    "NO2": 0.08,
    "NH4": 1.96,
    "NO3": 0.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3257, 59.6911] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0407",
    "depth": 10.0,
    "PO4": 0.01,
    "SiOH4": 4.25,
    "NO3_NO2": 0.16,
    "NO2": 0.12,
    "NH4": 2.96,
    "NO3": 0.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3257, 59.6911] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0407",
    "depth": 20.0,
    "PO4": 0.07,
    "SiOH4": 5.06,
    "NO3_NO2": 1.0,
    "NO2": 0.13,
    "NH4": 3.0,
    "NO3": 0.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3257, 59.6911] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0407",
    "depth": 30.0,
    "PO4": 0.21,
    "SiOH4": 6.36,
    "NO3_NO2": 2.76,
    "NO2": 0.21,
    "NH4": 3.66,
    "NO3": 2.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3257, 59.6911] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0407",
    "depth": 40.0,
    "PO4": 0.52,
    "SiOH4": 8.73,
    "NO3_NO2": 7.91,
    "NO2": 0.17,
    "NH4": 3.59,
    "NO3": 7.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3257, 59.6911] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0407",
    "depth": 50.0,
    "PO4": 0.83,
    "SiOH4": 11.67,
    "NO3_NO2": 12.93,
    "NO2": 0.04,
    "NH4": 4.11,
    "NO3": 12.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3257, 59.6911] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0407",
    "depth": 75.0,
    "PO4": 1.43,
    "SiOH4": 19.27,
    "NO3_NO2": 21.93,
    "NO2": 0.03,
    "NH4": 4.22,
    "NO3": 21.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3257, 59.6911] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0407",
    "depth": 100.0,
    "PO4": 1.85,
    "SiOH4": 24.5,
    "NO3_NO2": 25.52,
    "NO2": 0.04,
    "NH4": 4.11,
    "NO3": 25.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3257, 59.6911] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0407",
    "depth": 150.0,
    "PO4": 2.28,
    "SiOH4": 32.35,
    "NO3_NO2": 30.73,
    "NO2": 0.03,
    "NH4": 3.77,
    "NO3": 30.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3257, 59.6911] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0407",
    "depth": 223.0,
    "PO4": 2.64,
    "SiOH4": 40.86,
    "NO3_NO2": 35.56,
    "NO2": 0.01,
    "NH4": 3.77,
    "NO3": 35.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3953, 59.7664] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 27,
    "stn_id": "GAK1I",
    "water_depth": 257,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0511",
    "depth": 0.0,
    "PO4": 0.13,
    "SiOH4": 2.12,
    "NO3_NO2": 0.32,
    "NO2": 0.09,
    "NH4": 1.6,
    "NO3": 0.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3953, 59.7664] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 27,
    "stn_id": "GAK1I",
    "water_depth": 257,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0511",
    "depth": 10.0,
    "PO4": 0.13,
    "SiOH4": 3.74,
    "NO3_NO2": 1.43,
    "NO2": 0.25,
    "NH4": 1.91,
    "NO3": 1.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3953, 59.7664] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 27,
    "stn_id": "GAK1I",
    "water_depth": 257,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0511",
    "depth": 20.0,
    "PO4": 0.24,
    "SiOH4": 5.37,
    "NO3_NO2": 3.38,
    "NO2": 0.26,
    "NH4": 2.03,
    "NO3": 3.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3953, 59.7664] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 27,
    "stn_id": "GAK1I",
    "water_depth": 257,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0511",
    "depth": 30.0,
    "PO4": 0.38,
    "SiOH4": 6.34,
    "NO3_NO2": 4.03,
    "NO2": 0.08,
    "NH4": 2.08,
    "NO3": 3.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3953, 59.7664] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 27,
    "stn_id": "GAK1I",
    "water_depth": 257,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0511",
    "depth": 40.0,
    "PO4": 0.64,
    "SiOH4": 10.33,
    "NO3_NO2": 9.31,
    "NO2": 0.14,
    "NH4": 2.68,
    "NO3": 9.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3953, 59.7664] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 27,
    "stn_id": "GAK1I",
    "water_depth": 257,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0511",
    "depth": 50.0,
    "PO4": 0.97,
    "SiOH4": 14.42,
    "NO3_NO2": 14.99,
    "NO2": 0.08,
    "NH4": 2.51,
    "NO3": 14.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3953, 59.7664] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 27,
    "stn_id": "GAK1I",
    "water_depth": 257,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0511",
    "depth": 75.0,
    "PO4": 1.47,
    "SiOH4": 19.15,
    "NO3_NO2": 20.4,
    "NO2": 0.04,
    "NH4": 3.15,
    "NO3": 20.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3953, 59.7664] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 27,
    "stn_id": "GAK1I",
    "water_depth": 257,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0511",
    "depth": 100.0,
    "PO4": 1.74,
    "SiOH4": 22.82,
    "NO3_NO2": 23.59,
    "NO2": 0.03,
    "NH4": 3.05,
    "NO3": 23.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3953, 59.7664] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 27,
    "stn_id": "GAK1I",
    "water_depth": 257,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0511",
    "depth": 150.0,
    "PO4": 2.1,
    "SiOH4": 28.38,
    "NO3_NO2": 28.28,
    "NO2": 0.01,
    "NH4": 3.17,
    "NO3": 28.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3953, 59.7664] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 27,
    "stn_id": "GAK1I",
    "water_depth": 257,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0511",
    "depth": 251.0,
    "PO4": 2.75,
    "SiOH4": 44.74,
    "NO3_NO2": 36.63,
    "NO2": 0.02,
    "NH4": 3.11,
    "NO3": 36.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4681, 59.8446] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0602",
    "depth": 0.0,
    "PO4": 0.07,
    "SiOH4": 2.08,
    "NO3_NO2": 0.16,
    "NO2": 0.03,
    "NH4": 1.75,
    "NO3": 0.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4681, 59.8446] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0602",
    "depth": 10.0,
    "PO4": 0.03,
    "SiOH4": 2.72,
    "NO3_NO2": 0.35,
    "NO2": 0.04,
    "NH4": 1.98,
    "NO3": 0.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4681, 59.8446] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0602",
    "depth": 20.0,
    "PO4": 0.05,
    "SiOH4": 3.77,
    "NO3_NO2": 1.39,
    "NO2": 0.08,
    "NH4": 1.66,
    "NO3": 1.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4681, 59.8446] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0602",
    "depth": 30.0,
    "PO4": 0.16,
    "SiOH4": 5.48,
    "NO3_NO2": 3.41,
    "NO2": 0.23,
    "NH4": 2.67,
    "NO3": 3.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4681, 59.8446] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0602",
    "depth": 40.0,
    "PO4": 0.51,
    "SiOH4": 10.13,
    "NO3_NO2": 10.32,
    "NO2": 0.12,
    "NH4": 2.16,
    "NO3": 10.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4681, 59.8446] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0602",
    "depth": 50.0,
    "PO4": 0.87,
    "SiOH4": 12.57,
    "NO3_NO2": 13.06,
    "NO2": 0.1,
    "NH4": 1.88,
    "NO3": 12.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4681, 59.8446] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0602",
    "depth": 100.0,
    "PO4": 1.47,
    "SiOH4": 21.07,
    "NO3_NO2": 23.5,
    "NO2": 0.04,
    "NH4": 2.26,
    "NO3": 23.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4681, 59.8446] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0602",
    "depth": 150.0,
    "PO4": 1.91,
    "SiOH4": 28.27,
    "NO3_NO2": 28.12,
    "NO2": 0.05,
    "NH4": 2.57,
    "NO3": 28.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4681, 59.8446] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "0602",
    "depth": 263.0,
    "PO4": 3.03,
    "SiOH4": 52.57,
    "NO3_NO2": 38.89,
    "NO2": 0.08,
    "NH4": 2.87,
    "NO3": 38.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.9084] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "CF1",
    "water_depth": 84,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "1720",
    "depth": 0.0,
    "PO4": 0.29,
    "SiOH4": 0.69,
    "NO3_NO2": 0.16,
    "NO2": 0.14,
    "NH4": 0.32,
    "NO3": 0.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.9084] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "CF1",
    "water_depth": 84,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "1720",
    "depth": 10.0,
    "PO4": 0.26,
    "SiOH4": 1.54,
    "NO3_NO2": 0.31,
    "NO2": 0.19,
    "NH4": 0.37,
    "NO3": 0.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.9084] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "CF1",
    "water_depth": 84,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "1720",
    "depth": 20.0,
    "PO4": 0.23,
    "SiOH4": 4.82,
    "NO3_NO2": 0.94,
    "NO2": 0.22,
    "NH4": 0.41,
    "NO3": 0.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.9084] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "CF1",
    "water_depth": 84,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "1720",
    "depth": 30.0,
    "PO4": 0.58,
    "SiOH4": 11.02,
    "NO3_NO2": 8.21,
    "NO2": 0.38,
    "NH4": 0.83,
    "NO3": 7.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.9084] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "CF1",
    "water_depth": 84,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "1720",
    "depth": 40.0,
    "PO4": 0.91,
    "SiOH4": 14.13,
    "NO3_NO2": 11.45,
    "NO2": 0.34,
    "NH4": 0.41,
    "NO3": 11.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.9084] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "CF1",
    "water_depth": 84,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "1720",
    "depth": 50.0,
    "PO4": 1.12,
    "SiOH4": 16.45,
    "NO3_NO2": 13.44,
    "NO2": 0.24,
    "NH4": 0.05,
    "NO3": 13.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.9084] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "CF1",
    "water_depth": 84,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "1720",
    "depth": 80.0,
    "PO4": 1.39,
    "SiOH4": 20.85,
    "NO3_NO2": 17.1,
    "NO2": 0.01,
    "NH4": 0.28,
    "NO3": 17.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8663, 59.8496] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "CF3",
    "water_depth": 161,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "1804",
    "depth": 0.0,
    "PO4": 0.16,
    "SiOH4": 0.65,
    "NO3_NO2": 0.05,
    "NO2": 0.01,
    "NH4": 0.05,
    "NO3": 0.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8663, 59.8496] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "CF3",
    "water_depth": 161,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "1804",
    "depth": 10.0,
    "PO4": 0.1,
    "SiOH4": 2.11,
    "NO3_NO2": 0.16,
    "NO2": 0.01,
    "NH4": 0.37,
    "NO3": 0.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8663, 59.8496] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "CF3",
    "water_depth": 161,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "1804",
    "depth": 20.0,
    "PO4": 0.14,
    "SiOH4": 4.09,
    "NO3_NO2": 0.89,
    "NO2": 0.08,
    "NH4": 0.55,
    "NO3": 0.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8663, 59.8496] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "CF3",
    "water_depth": 161,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "1804",
    "depth": 30.0,
    "PO4": 0.21,
    "SiOH4": 5.04,
    "NO3_NO2": 2.61,
    "NO2": 0.32,
    "NH4": 0.51,
    "NO3": 2.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8663, 59.8496] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "CF3",
    "water_depth": 161,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "1804",
    "depth": 40.0,
    "PO4": 0.54,
    "SiOH4": 11.76,
    "NO3_NO2": 9.25,
    "NO2": 0.37,
    "NH4": 0.28,
    "NO3": 8.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8663, 59.8496] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "CF3",
    "water_depth": 161,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "1804",
    "depth": 50.0,
    "PO4": 0.9,
    "SiOH4": 16.33,
    "NO3_NO2": 14.06,
    "NO2": 0.23,
    "NH4": 0.18,
    "NO3": 13.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8663, 59.8496] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "CF3",
    "water_depth": 161,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "1804",
    "depth": 75.0,
    "PO4": 1.29,
    "SiOH4": 19.26,
    "NO3_NO2": 18.19,
    "NO2": 0.21,
    "NH4": 0.37,
    "NO3": 17.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8663, 59.8496] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "CF3",
    "water_depth": 161,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "1804",
    "depth": 100.0,
    "PO4": 1.54,
    "SiOH4": 26.42,
    "NO3_NO2": 21.7,
    "NO2": 0.23,
    "NH4": 0.18,
    "NO3": 21.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8663, 59.8496] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "CF3",
    "water_depth": 161,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "1804",
    "depth": 125.0,
    "PO4": 1.86,
    "SiOH4": 35.38,
    "NO3_NO2": 26.51,
    "NO2": 0.23,
    "NH4": 0.32,
    "NO3": 26.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8663, 59.8496] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "CF3",
    "water_depth": 161,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "1804",
    "depth": 157.0,
    "PO4": 2.26,
    "SiOH4": 43.58,
    "NO3_NO2": 32.15,
    "NO2": 0.26,
    "NH4": 0.41,
    "NO3": 31.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.7832] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "1904",
    "depth": 0.0,
    "PO4": 0.02,
    "SiOH4": 0.3,
    "NO3_NO2": 0.05,
    "NO2": 0.0,
    "NH4": 0.41,
    "NO3": 0.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.7832] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "1904",
    "depth": 10.0,
    "PO4": 0.02,
    "SiOH4": 1.21,
    "NO3_NO2": 0.26,
    "NO2": 0.0,
    "NH4": 0.46,
    "NO3": 0.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.7832] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "1904",
    "depth": 20.0,
    "PO4": 0.16,
    "SiOH4": 6.18,
    "NO3_NO2": 4.65,
    "NO2": 0.24,
    "NH4": 0.37,
    "NO3": 4.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.7832] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "1904",
    "depth": 30.0,
    "PO4": 0.55,
    "SiOH4": 13.9,
    "NO3_NO2": 12.34,
    "NO2": 0.17,
    "NH4": 0.28,
    "NO3": 12.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.7832] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "1904",
    "depth": 40.0,
    "PO4": 0.95,
    "SiOH4": 16.62,
    "NO3_NO2": 14.95,
    "NO2": 0.13,
    "NH4": 0.28,
    "NO3": 14.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.7832] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "1904",
    "depth": 50.0,
    "PO4": 1.23,
    "SiOH4": 17.7,
    "NO3_NO2": 16.26,
    "NO2": 0.11,
    "NH4": 0.28,
    "NO3": 16.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.7832] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "1904",
    "depth": 75.0,
    "PO4": 1.35,
    "SiOH4": 19.13,
    "NO3_NO2": 18.3,
    "NO2": 0.09,
    "NH4": 0.32,
    "NO3": 18.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.7832] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "1904",
    "depth": 100.0,
    "PO4": 1.54,
    "SiOH4": 21.24,
    "NO3_NO2": 20.76,
    "NO2": 0.04,
    "NH4": 0.28,
    "NO3": 20.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.7832] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "1904",
    "depth": 125.0,
    "PO4": 1.79,
    "SiOH4": 27.58,
    "NO3_NO2": 24.21,
    "NO2": 0.02,
    "NH4": 0.32,
    "NO3": 24.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.7832] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "1904",
    "depth": 187.0,
    "PO4": 2.4,
    "SiOH4": 40.57,
    "NO3_NO2": 33.56,
    "NO2": 0.02,
    "NH4": 0.32,
    "NO3": 33.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8699, 59.7173] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2009",
    "depth": 0.0,
    "PO4": 0.23,
    "SiOH4": 1.88,
    "NO3_NO2": 0.31,
    "NO2": 0.01,
    "NH4": 0.37,
    "NO3": 0.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8699, 59.7173] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2009",
    "depth": 10.0,
    "PO4": 0.22,
    "SiOH4": 4.86,
    "NO3_NO2": 2.4,
    "NO2": 0.13,
    "NH4": 0.78,
    "NO3": 2.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8699, 59.7173] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2009",
    "depth": 20.0,
    "PO4": 0.29,
    "SiOH4": 5.07,
    "NO3_NO2": 2.98,
    "NO2": 0.11,
    "NH4": 0.78,
    "NO3": 2.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8699, 59.7173] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2009",
    "depth": 30.0,
    "PO4": 0.6,
    "SiOH4": 12.8,
    "NO3_NO2": 11.66,
    "NO2": 0.1,
    "NH4": 0.37,
    "NO3": 11.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8699, 59.7173] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2009",
    "depth": 40.0,
    "PO4": 0.94,
    "SiOH4": 15.35,
    "NO3_NO2": 13.75,
    "NO2": 0.06,
    "NH4": 0.37,
    "NO3": 13.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8699, 59.7173] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2009",
    "depth": 50.0,
    "PO4": 1.12,
    "SiOH4": 17.98,
    "NO3_NO2": 16.42,
    "NO2": 0.04,
    "NH4": 0.37,
    "NO3": 16.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8699, 59.7173] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2009",
    "depth": 75.0,
    "PO4": 1.31,
    "SiOH4": 20.01,
    "NO3_NO2": 19.08,
    "NO2": 0.04,
    "NH4": 0.51,
    "NO3": 19.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8699, 59.7173] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2009",
    "depth": 100.0,
    "PO4": 1.43,
    "SiOH4": 22.21,
    "NO3_NO2": 20.76,
    "NO2": 0.05,
    "NH4": 0.46,
    "NO3": 20.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8699, 59.7173] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2009",
    "depth": 125.0,
    "PO4": 1.61,
    "SiOH4": 25.53,
    "NO3_NO2": 22.9,
    "NO2": 0.03,
    "NH4": 0.46,
    "NO3": 22.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8699, 59.7173] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2009",
    "depth": 176.0,
    "PO4": 2.12,
    "SiOH4": 42.75,
    "NO3_NO2": 33.2,
    "NO2": 0.04,
    "NH4": 0.37,
    "NO3": 33.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8687, 59.651] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2114",
    "depth": 0.0,
    "PO4": 0.21,
    "SiOH4": 2.5,
    "NO3_NO2": 0.28,
    "NO2": 0.04,
    "NH4": 0.54,
    "NO3": 0.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8687, 59.651] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2114",
    "depth": 10.0,
    "PO4": 0.21,
    "SiOH4": 6.47,
    "NO3_NO2": 4.22,
    "NO2": 0.17,
    "NH4": 0.52,
    "NO3": 4.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8687, 59.651] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2114",
    "depth": 20.0,
    "PO4": 0.37,
    "SiOH4": 7.51,
    "NO3_NO2": 5.13,
    "NO2": 0.21,
    "NH4": 0.23,
    "NO3": 4.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8687, 59.651] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2114",
    "depth": 30.0,
    "PO4": 0.52,
    "SiOH4": 9.84,
    "NO3_NO2": 7.92,
    "NO2": 0.22,
    "NH4": 0.3,
    "NO3": 7.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8687, 59.651] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2114",
    "depth": 40.0,
    "PO4": 0.71,
    "SiOH4": 13.2,
    "NO3_NO2": 11.75,
    "NO2": 0.19,
    "NH4": 0.24,
    "NO3": 11.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8687, 59.651] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2114",
    "depth": 50.0,
    "PO4": 0.88,
    "SiOH4": 13.46,
    "NO3_NO2": 12.61,
    "NO2": 0.18,
    "NH4": 0.18,
    "NO3": 12.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8687, 59.651] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2114",
    "depth": 75.0,
    "PO4": 1.14,
    "SiOH4": 20.71,
    "NO3_NO2": 19.42,
    "NO2": 0.15,
    "NH4": 0.16,
    "NO3": 19.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8687, 59.651] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2114",
    "depth": 100.0,
    "PO4": 1.41,
    "SiOH4": 25.97,
    "NO3_NO2": 22.16,
    "NO2": 0.12,
    "NH4": 0.1,
    "NO3": 22.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8687, 59.651] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2114",
    "depth": 125.0,
    "PO4": 1.43,
    "SiOH4": 25.19,
    "NO3_NO2": 22.08,
    "NO2": 0.13,
    "NH4": 0.13,
    "NO3": 21.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8687, 59.651] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2114",
    "depth": 173.0,
    "PO4": 1.98,
    "SiOH4": 48.06,
    "NO3_NO2": 35.11,
    "NO2": 0.13,
    "NH4": 0.06,
    "NO3": 34.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.5844] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2220",
    "depth": 0.0,
    "PO4": 0.05,
    "SiOH4": 5.62,
    "NO3_NO2": 0.14,
    "NO2": 0.13,
    "NH4": 0.22,
    "NO3": 0.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.5844] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2220",
    "depth": 10.0,
    "PO4": 0.08,
    "SiOH4": 5.73,
    "NO3_NO2": 0.25,
    "NO2": 0.13,
    "NH4": 0.3,
    "NO3": 0.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.5844] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2220",
    "depth": 20.0,
    "PO4": 0.13,
    "SiOH4": 6.95,
    "NO3_NO2": 1.83,
    "NO2": 0.17,
    "NH4": 0.33,
    "NO3": 1.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.5844] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2220",
    "depth": 30.0,
    "PO4": 0.33,
    "SiOH4": 10.85,
    "NO3_NO2": 8.34,
    "NO2": 0.2,
    "NH4": 0.36,
    "NO3": 8.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.5844] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2220",
    "depth": 40.0,
    "PO4": 0.6,
    "SiOH4": 15.18,
    "NO3_NO2": 13.95,
    "NO2": 0.14,
    "NH4": 0.35,
    "NO3": 13.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.5844] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2220",
    "depth": 50.0,
    "PO4": 0.9,
    "SiOH4": 19.85,
    "NO3_NO2": 18.67,
    "NO2": 0.1,
    "NH4": 0.25,
    "NO3": 18.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.5844] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2220",
    "depth": 75.0,
    "PO4": 1.12,
    "SiOH4": 23.41,
    "NO3_NO2": 20.73,
    "NO2": 0.11,
    "NH4": 0.33,
    "NO3": 20.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.5844] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2220",
    "depth": 100.0,
    "PO4": 1.26,
    "SiOH4": 25.23,
    "NO3_NO2": 21.9,
    "NO2": 0.09,
    "NH4": 0.31,
    "NO3": 21.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.5844] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2220",
    "depth": 125.0,
    "PO4": 1.38,
    "SiOH4": 27.75,
    "NO3_NO2": 23.38,
    "NO2": 0.08,
    "NH4": 0.26,
    "NO3": 23.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.5844] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2220",
    "depth": 175.0,
    "PO4": 1.9,
    "SiOH4": 50.8,
    "NO3_NO2": 36.26,
    "NO2": 0.04,
    "NH4": 0.29,
    "NO3": 36.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8642, 59.5173] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "CF13",
    "water_depth": 173,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2322",
    "depth": 0.0,
    "PO4": 0.04,
    "SiOH4": 0.62,
    "NO3_NO2": 0.15,
    "NO2": 0.02,
    "NH4": 0.5,
    "NO3": 0.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8642, 59.5173] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "CF13",
    "water_depth": 173,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2322",
    "depth": 10.0,
    "PO4": 0.06,
    "SiOH4": 2.1,
    "NO3_NO2": 1.14,
    "NO2": 0.01,
    "NH4": 0.09,
    "NO3": 1.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8642, 59.5173] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "CF13",
    "water_depth": 173,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2322",
    "depth": 20.0,
    "PO4": 0.16,
    "SiOH4": 8.59,
    "NO3_NO2": 8.35,
    "NO2": 0.22,
    "NH4": 0.22,
    "NO3": 8.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8642, 59.5173] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "CF13",
    "water_depth": 173,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2322",
    "depth": 30.0,
    "PO4": 0.55,
    "SiOH4": 13.87,
    "NO3_NO2": 14.15,
    "NO2": 0.24,
    "NH4": 0.18,
    "NO3": 13.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8642, 59.5173] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "CF13",
    "water_depth": 173,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2322",
    "depth": 40.0,
    "PO4": 1.0,
    "SiOH4": 18.89,
    "NO3_NO2": 18.74,
    "NO2": 0.09,
    "NH4": 0.08,
    "NO3": 18.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8642, 59.5173] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "CF13",
    "water_depth": 173,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2322",
    "depth": 50.0,
    "PO4": 1.46,
    "SiOH4": 20.2,
    "NO3_NO2": 19.78,
    "NO2": 0.11,
    "NH4": 0.08,
    "NO3": 19.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8642, 59.5173] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "CF13",
    "water_depth": 173,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2322",
    "depth": 75.0,
    "PO4": 1.62,
    "SiOH4": 23.15,
    "NO3_NO2": 21.66,
    "NO2": 0.13,
    "NH4": 0.12,
    "NO3": 21.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8642, 59.5173] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "CF13",
    "water_depth": 173,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2322",
    "depth": 100.0,
    "PO4": 1.71,
    "SiOH4": 24.72,
    "NO3_NO2": 22.39,
    "NO2": 0.14,
    "NH4": 0.12,
    "NO3": 22.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8642, 59.5173] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "CF13",
    "water_depth": 173,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2322",
    "depth": 125.0,
    "PO4": 1.79,
    "SiOH4": 26.89,
    "NO3_NO2": 23.53,
    "NO2": 0.14,
    "NH4": 0.16,
    "NO3": 23.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8642, 59.5173] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "CF13",
    "water_depth": 173,
    "month_gmt": "8",
    "day_gmt": "29",
    "time_gmt": "2322",
    "depth": 167.0,
    "PO4": 2.09,
    "SiOH4": 42.01,
    "NO3_NO2": 31.63,
    "NO2": 0.16,
    "NH4": 0.12,
    "NO3": 31.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8647, 59.45] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0021",
    "depth": 0.0,
    "PO4": 0.36,
    "SiOH4": 0.87,
    "NO3_NO2": 0.15,
    "NO2": 0.13,
    "NH4": 0.34,
    "NO3": 0.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8647, 59.45] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0021",
    "depth": 10.0,
    "PO4": 0.32,
    "SiOH4": 0.89,
    "NO3_NO2": 0.31,
    "NO2": 0.0,
    "NH4": 0.43,
    "NO3": 0.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8647, 59.45] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0021",
    "depth": 20.0,
    "PO4": 0.41,
    "SiOH4": 4.96,
    "NO3_NO2": 4.22,
    "NO2": 0.09,
    "NH4": 0.48,
    "NO3": 4.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8647, 59.45] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0021",
    "depth": 30.0,
    "PO4": 0.6,
    "SiOH4": 13.26,
    "NO3_NO2": 13.42,
    "NO2": 0.16,
    "NH4": 0.38,
    "NO3": 13.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8647, 59.45] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0021",
    "depth": 40.0,
    "PO4": 1.0,
    "SiOH4": 20.69,
    "NO3_NO2": 19.74,
    "NO2": 0.08,
    "NH4": 0.43,
    "NO3": 19.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8647, 59.45] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0021",
    "depth": 50.0,
    "PO4": 1.23,
    "SiOH4": 22.35,
    "NO3_NO2": 20.83,
    "NO2": 0.0,
    "NH4": 0.43,
    "NO3": 20.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8647, 59.45] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0021",
    "depth": 75.0,
    "PO4": 1.31,
    "SiOH4": 23.66,
    "NO3_NO2": 21.66,
    "NO2": 0.02,
    "NH4": 0.24,
    "NO3": 21.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8647, 59.45] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0021",
    "depth": 100.0,
    "PO4": 1.38,
    "SiOH4": 27.56,
    "NO3_NO2": 23.85,
    "NO2": 0.02,
    "NH4": 0.14,
    "NO3": 23.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8647, 59.45] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0021",
    "depth": 125.0,
    "PO4": 1.57,
    "SiOH4": 32.58,
    "NO3_NO2": 27.04,
    "NO2": 0.08,
    "NH4": 0.28,
    "NO3": 26.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8647, 59.45] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0021",
    "depth": 178.0,
    "PO4": 1.84,
    "SiOH4": 43.21,
    "NO3_NO2": 31.9,
    "NO2": 0.1,
    "NH4": 0.32,
    "NO3": 31.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8654, 59.4064] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "RI10",
    "water_depth": 166,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0314",
    "depth": 0.0,
    "PO4": 0.21,
    "SiOH4": 0.8,
    "NO3_NO2": 0.25,
    "NO2": 0.02,
    "NH4": 0.69,
    "NO3": 0.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8654, 59.4064] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "RI10",
    "water_depth": 166,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0314",
    "depth": 10.0,
    "PO4": 0.21,
    "SiOH4": 2.12,
    "NO3_NO2": 1.17,
    "NO2": 0.2,
    "NH4": 0.55,
    "NO3": 0.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8654, 59.4064] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "RI10",
    "water_depth": 166,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0314",
    "depth": 20.0,
    "PO4": 0.28,
    "SiOH4": 7.58,
    "NO3_NO2": 7.22,
    "NO2": 0.27,
    "NH4": 0.64,
    "NO3": 6.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8654, 59.4064] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "RI10",
    "water_depth": 166,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0314",
    "depth": 30.0,
    "PO4": 0.52,
    "SiOH4": 11.67,
    "NO3_NO2": 12.33,
    "NO2": 0.26,
    "NH4": 0.55,
    "NO3": 12.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8654, 59.4064] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "RI10",
    "water_depth": 166,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0314",
    "depth": 40.0,
    "PO4": 0.57,
    "SiOH4": 18.59,
    "NO3_NO2": 19.11,
    "NO2": 0.16,
    "NH4": 0.55,
    "NO3": 18.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8654, 59.4064] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "RI10",
    "water_depth": 166,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0314",
    "depth": 50.0,
    "PO4": 1.04,
    "SiOH4": 20.52,
    "NO3_NO2": 20.56,
    "NO2": 0.09,
    "NH4": 0.32,
    "NO3": 20.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8654, 59.4064] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "RI10",
    "water_depth": 166,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0314",
    "depth": 75.0,
    "PO4": 1.23,
    "SiOH4": 24.86,
    "NO3_NO2": 23.21,
    "NO2": 0.06,
    "NH4": 0.46,
    "NO3": 23.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8654, 59.4064] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "RI10",
    "water_depth": 166,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0314",
    "depth": 100.0,
    "PO4": 1.37,
    "SiOH4": 26.95,
    "NO3_NO2": 24.34,
    "NO2": 0.01,
    "NH4": 0.46,
    "NO3": 24.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8654, 59.4064] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "RI10",
    "water_depth": 166,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0314",
    "depth": 165.0,
    "PO4": 1.57,
    "SiOH4": 36.73,
    "NO3_NO2": 29.71,
    "NO2": 0.0,
    "NH4": 0.37,
    "NO3": 29.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0473, 59.4076] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 46,
    "stn_id": "RI9",
    "water_depth": 199,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0404",
    "depth": 0.0,
    "PO4": 0.16,
    "SiOH4": 4.86,
    "NO3_NO2": 0.3,
    "NO2": 0.01,
    "NH4": 0.61,
    "NO3": 0.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0473, 59.4076] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 46,
    "stn_id": "RI9",
    "water_depth": 199,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0404",
    "depth": 10.0,
    "PO4": 0.47,
    "SiOH4": 7.64,
    "NO3_NO2": 4.0,
    "NO2": 0.09,
    "NH4": 0.36,
    "NO3": 3.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0473, 59.4076] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 46,
    "stn_id": "RI9",
    "water_depth": 199,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0404",
    "depth": 20.0,
    "PO4": 0.91,
    "SiOH4": 12.15,
    "NO3_NO2": 11.15,
    "NO2": 0.12,
    "NH4": 0.37,
    "NO3": 11.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0473, 59.4076] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 46,
    "stn_id": "RI9",
    "water_depth": 199,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0404",
    "depth": 30.0,
    "PO4": 1.25,
    "SiOH4": 16.23,
    "NO3_NO2": 15.37,
    "NO2": 0.01,
    "NH4": 0.25,
    "NO3": 15.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0473, 59.4076] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 46,
    "stn_id": "RI9",
    "water_depth": 199,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0404",
    "depth": 40.0,
    "PO4": 1.33,
    "SiOH4": 18.24,
    "NO3_NO2": 16.82,
    "NO2": 0.02,
    "NH4": 0.36,
    "NO3": 16.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0473, 59.4076] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 46,
    "stn_id": "RI9",
    "water_depth": 199,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0404",
    "depth": 50.0,
    "PO4": 1.41,
    "SiOH4": 19.9,
    "NO3_NO2": 18.0,
    "NO2": 0.05,
    "NH4": 0.38,
    "NO3": 17.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0473, 59.4076] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 46,
    "stn_id": "RI9",
    "water_depth": 199,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0404",
    "depth": 75.0,
    "PO4": 1.62,
    "SiOH4": 25.53,
    "NO3_NO2": 21.81,
    "NO2": 0.01,
    "NH4": 0.39,
    "NO3": 21.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0473, 59.4076] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 46,
    "stn_id": "RI9",
    "water_depth": 199,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0404",
    "depth": 100.0,
    "PO4": 1.66,
    "SiOH4": 26.59,
    "NO3_NO2": 23.05,
    "NO2": 0.02,
    "NH4": 0.41,
    "NO3": 23.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0473, 59.4076] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 46,
    "stn_id": "RI9",
    "water_depth": 199,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0404",
    "depth": 150.0,
    "PO4": 2.1,
    "SiOH4": 37.4,
    "NO3_NO2": 30.4,
    "NO2": 0.03,
    "NH4": 0.43,
    "NO3": 30.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0473, 59.4076] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 46,
    "stn_id": "RI9",
    "water_depth": 199,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0404",
    "depth": 190.0,
    "PO4": 2.2,
    "SiOH4": 40.96,
    "NO3_NO2": 31.75,
    "NO2": 0.06,
    "NH4": 0.49,
    "NO3": 31.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2093, 59.407] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "RI8",
    "water_depth": 192,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0452",
    "depth": 0.0,
    "PO4": 0.09,
    "SiOH4": 4.89,
    "NO3_NO2": 0.21,
    "NO2": 0.01,
    "NH4": 0.31,
    "NO3": 0.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2093, 59.407] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "RI8",
    "water_depth": 192,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0452",
    "depth": 10.0,
    "PO4": 0.17,
    "SiOH4": 5.67,
    "NO3_NO2": 0.79,
    "NO2": 0.02,
    "NH4": 0.22,
    "NO3": 0.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2093, 59.407] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "RI8",
    "water_depth": 192,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0452",
    "depth": 20.0,
    "PO4": 0.58,
    "SiOH4": 12.22,
    "NO3_NO2": 8.59,
    "NO2": 0.04,
    "NH4": 0.08,
    "NO3": 8.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2093, 59.407] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "RI8",
    "water_depth": 192,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0452",
    "depth": 30.0,
    "PO4": 0.99,
    "SiOH4": 6.09,
    "NO3_NO2": 13.26,
    "NO2": 0.01,
    "NH4": 0.3,
    "NO3": 13.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2093, 59.407] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "RI8",
    "water_depth": 192,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0452",
    "depth": 40.0,
    "PO4": 1.34,
    "SiOH4": 19.37,
    "NO3_NO2": 17.34,
    "NO2": 0.01,
    "NH4": 0.34,
    "NO3": 17.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2093, 59.407] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "RI8",
    "water_depth": 192,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0452",
    "depth": 50.0,
    "PO4": 1.54,
    "SiOH4": 20.41,
    "NO3_NO2": 18.45,
    "NO2": 0.01,
    "NH4": 0.34,
    "NO3": 18.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2093, 59.407] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "RI8",
    "water_depth": 192,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0452",
    "depth": 75.0,
    "PO4": 1.63,
    "SiOH4": 21.62,
    "NO3_NO2": 20.44,
    "NO2": 0.01,
    "NH4": 0.38,
    "NO3": 20.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2093, 59.407] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "RI8",
    "water_depth": 192,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0452",
    "depth": 100.0,
    "PO4": 1.76,
    "SiOH4": 24.59,
    "NO3_NO2": 22.06,
    "NO2": 0.0,
    "NH4": 0.37,
    "NO3": 22.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2093, 59.407] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "RI8",
    "water_depth": 192,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0452",
    "depth": 150.0,
    "PO4": 2.1,
    "SiOH4": 34.72,
    "NO3_NO2": 27.77,
    "NO2": 0.0,
    "NH4": 0.41,
    "NO3": 27.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2093, 59.407] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "RI8",
    "water_depth": 192,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "0452",
    "depth": 192.0,
    "PO4": 2.34,
    "SiOH4": 39.96,
    "NO3_NO2": 30.5,
    "NO2": 0.02,
    "NH4": 0.41,
    "NO3": 30.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3761, 59.4083] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "RI7",
    "water_depth": 141,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "1745",
    "depth": 0.0,
    "PO4": 0.24,
    "SiOH4": 4.19,
    "NO3_NO2": 0.08,
    "NO2": 0.01,
    "NH4": 0.68,
    "NO3": 0.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3761, 59.4083] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "RI7",
    "water_depth": 141,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "1745",
    "depth": 10.0,
    "PO4": 0.25,
    "SiOH4": 4.79,
    "NO3_NO2": 0.24,
    "NO2": 0.0,
    "NH4": 0.36,
    "NO3": 0.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3761, 59.4083] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "RI7",
    "water_depth": 141,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "1745",
    "depth": 20.0,
    "PO4": 0.36,
    "SiOH4": 7.41,
    "NO3_NO2": 3.23,
    "NO2": 0.13,
    "NH4": 0.35,
    "NO3": 3.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3761, 59.4083] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "RI7",
    "water_depth": 141,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "1745",
    "depth": 30.0,
    "PO4": 0.79,
    "SiOH4": 11.51,
    "NO3_NO2": 10.35,
    "NO2": 0.15,
    "NH4": 0.39,
    "NO3": 10.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3761, 59.4083] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "RI7",
    "water_depth": 141,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "1745",
    "depth": 40.0,
    "PO4": 1.19,
    "SiOH4": 17.18,
    "NO3_NO2": 16.43,
    "NO2": 0.01,
    "NH4": 0.34,
    "NO3": 16.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3761, 59.4083] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "RI7",
    "water_depth": 141,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "1745",
    "depth": 50.0,
    "PO4": 1.39,
    "SiOH4": 18.75,
    "NO3_NO2": 18.0,
    "NO2": 0.01,
    "NH4": 0.66,
    "NO3": 17.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3761, 59.4083] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "RI7",
    "water_depth": 141,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "1745",
    "depth": 75.0,
    "PO4": 1.49,
    "SiOH4": 21.19,
    "NO3_NO2": 20.52,
    "NO2": 0.01,
    "NH4": 0.61,
    "NO3": 20.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3761, 59.4083] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "RI7",
    "water_depth": 141,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "1745",
    "depth": 100.0,
    "PO4": 1.61,
    "SiOH4": 23.71,
    "NO3_NO2": 21.78,
    "NO2": 0.05,
    "NH4": 0.33,
    "NO3": 21.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3761, 59.4083] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "RI7",
    "water_depth": 141,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "1745",
    "depth": 139.0,
    "PO4": 1.94,
    "SiOH4": 32.89,
    "NO3_NO2": 26.75,
    "NO2": 0.07,
    "NH4": 0.46,
    "NO3": 26.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5438, 59.4077] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "RI6",
    "water_depth": 96,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "1829",
    "depth": 0.0,
    "PO4": 0.25,
    "SiOH4": 1.83,
    "NO3_NO2": 0.2,
    "NO2": 0.06,
    "NH4": 0.53,
    "NO3": 0.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5438, 59.4077] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "RI6",
    "water_depth": 96,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "1829",
    "depth": 10.0,
    "PO4": 0.22,
    "SiOH4": 2.78,
    "NO3_NO2": 0.25,
    "NO2": 0.07,
    "NH4": 0.47,
    "NO3": 0.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5438, 59.4077] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "RI6",
    "water_depth": 96,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "1829",
    "depth": 20.0,
    "PO4": 0.29,
    "SiOH4": 5.13,
    "NO3_NO2": 2.29,
    "NO2": 0.13,
    "NH4": 0.6,
    "NO3": 2.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5438, 59.4077] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "RI6",
    "water_depth": 96,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "1829",
    "depth": 30.0,
    "PO4": 0.42,
    "SiOH4": 7.48,
    "NO3_NO2": 4.95,
    "NO2": 0.08,
    "NH4": 0.54,
    "NO3": 4.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5438, 59.4077] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "RI6",
    "water_depth": 96,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "1829",
    "depth": 40.0,
    "PO4": 0.62,
    "SiOH4": 8.7,
    "NO3_NO2": 6.78,
    "NO2": 0.07,
    "NH4": 0.66,
    "NO3": 6.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5438, 59.4077] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "RI6",
    "water_depth": 96,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "1829",
    "depth": 50.0,
    "PO4": 0.98,
    "SiOH4": 13.93,
    "NO3_NO2": 13.73,
    "NO2": 0.06,
    "NH4": 0.51,
    "NO3": 13.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5438, 59.4077] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "RI6",
    "water_depth": 96,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "1829",
    "depth": 75.0,
    "PO4": 1.37,
    "SiOH4": 18.38,
    "NO3_NO2": 18.6,
    "NO2": 0.01,
    "NH4": 0.31,
    "NO3": 18.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5438, 59.4077] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "RI6",
    "water_depth": 96,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "1829",
    "depth": 95.0,
    "PO4": 1.5,
    "SiOH4": 22.74,
    "NO3_NO2": 21.16,
    "NO2": 0.07,
    "NH4": 0.3,
    "NO3": 21.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7099, 59.4075] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "RI5",
    "water_depth": 159,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "1909",
    "depth": 0.0,
    "PO4": 0.15,
    "SiOH4": 1.24,
    "NO3_NO2": 0.1,
    "NO2": 0.06,
    "NH4": 0.28,
    "NO3": 0.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7099, 59.4075] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "RI5",
    "water_depth": 159,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "1909",
    "depth": 10.0,
    "PO4": 0.15,
    "SiOH4": 1.52,
    "NO3_NO2": 0.15,
    "NO2": 0.07,
    "NH4": 0.36,
    "NO3": 0.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7099, 59.4075] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "RI5",
    "water_depth": 159,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "1909",
    "depth": 20.0,
    "PO4": 0.15,
    "SiOH4": 1.97,
    "NO3_NO2": 0.2,
    "NO2": 0.06,
    "NH4": 0.67,
    "NO3": 0.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7099, 59.4075] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "RI5",
    "water_depth": 159,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "1909",
    "depth": 30.0,
    "PO4": 0.34,
    "SiOH4": 2.94,
    "NO3_NO2": 1.08,
    "NO2": 0.08,
    "NH4": 0.65,
    "NO3": 1.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7099, 59.4075] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "RI5",
    "water_depth": 159,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "1909",
    "depth": 40.0,
    "PO4": 0.41,
    "SiOH4": 5.06,
    "NO3_NO2": 3.38,
    "NO2": 0.14,
    "NH4": 0.73,
    "NO3": 3.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7099, 59.4075] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "RI5",
    "water_depth": 159,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "1909",
    "depth": 50.0,
    "PO4": 0.52,
    "SiOH4": 5.86,
    "NO3_NO2": 3.42,
    "NO2": 0.13,
    "NH4": 0.67,
    "NO3": 3.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7099, 59.4075] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "RI5",
    "water_depth": 159,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "1909",
    "depth": 75.0,
    "PO4": 1.02,
    "SiOH4": 13.66,
    "NO3_NO2": 14.78,
    "NO2": 0.1,
    "NH4": 0.61,
    "NO3": 14.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7099, 59.4075] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "RI5",
    "water_depth": 159,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "1909",
    "depth": 124.0,
    "PO4": 1.48,
    "SiOH4": 18.57,
    "NO3_NO2": 19.01,
    "NO2": 0.06,
    "NH4": 0.6,
    "NO3": 18.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8711, 59.4085] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "RI4",
    "water_depth": 128,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "1950",
    "depth": 0.0,
    "PO4": 0.14,
    "SiOH4": 1.09,
    "NO3_NO2": 0.32,
    "NO2": 0.01,
    "NH4": 0.58,
    "NO3": 0.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8711, 59.4085] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "RI4",
    "water_depth": 128,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "1950",
    "depth": 10.0,
    "PO4": 0.1,
    "SiOH4": 0.93,
    "NO3_NO2": 0.36,
    "NO2": 0.0,
    "NH4": 0.48,
    "NO3": 0.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8711, 59.4085] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "RI4",
    "water_depth": 128,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "1950",
    "depth": 20.0,
    "PO4": 0.12,
    "SiOH4": 1.21,
    "NO3_NO2": 0.46,
    "NO2": 0.02,
    "NH4": 0.55,
    "NO3": 0.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8711, 59.4085] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "RI4",
    "water_depth": 128,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "1950",
    "depth": 30.0,
    "PO4": 0.19,
    "SiOH4": 2.19,
    "NO3_NO2": 1.08,
    "NO2": 0.08,
    "NH4": 0.86,
    "NO3": 1.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8711, 59.4085] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "RI4",
    "water_depth": 128,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "1950",
    "depth": 40.0,
    "PO4": 0.2,
    "SiOH4": 2.81,
    "NO3_NO2": 0.97,
    "NO2": 0.04,
    "NH4": 0.66,
    "NO3": 0.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8711, 59.4085] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "RI4",
    "water_depth": 128,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "1950",
    "depth": 50.0,
    "PO4": 0.41,
    "SiOH4": 6.85,
    "NO3_NO2": 6.41,
    "NO2": 0.24,
    "NH4": 0.6,
    "NO3": 6.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8711, 59.4085] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "RI4",
    "water_depth": 128,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "1950",
    "depth": 75.0,
    "PO4": 0.93,
    "SiOH4": 15.08,
    "NO3_NO2": 16.35,
    "NO2": 0.05,
    "NH4": 0.54,
    "NO3": 16.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8711, 59.4085] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "RI4",
    "water_depth": 128,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "1950",
    "depth": 100.0,
    "PO4": 1.38,
    "SiOH4": 17.28,
    "NO3_NO2": 19.18,
    "NO2": 0.04,
    "NH4": 0.71,
    "NO3": 19.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8711, 59.4085] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "RI4",
    "water_depth": 128,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "1950",
    "depth": 158.0,
    "PO4": 1.86,
    "SiOH4": 29.89,
    "NO3_NO2": 21.21,
    "NO2": 0.05,
    "NH4": 0.51,
    "NO3": 21.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0371, 59.4088] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "RI3",
    "water_depth": 170,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2032",
    "depth": 0.0,
    "PO4": 0.01,
    "SiOH4": 1.77,
    "NO3_NO2": 0.1,
    "NO2": 0.02,
    "NH4": 0.43,
    "NO3": 0.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0371, 59.4088] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "RI3",
    "water_depth": 170,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2032",
    "depth": 10.0,
    "PO4": 0.01,
    "SiOH4": 1.7,
    "NO3_NO2": 0.1,
    "NO2": 0.01,
    "NH4": 0.36,
    "NO3": 0.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0371, 59.4088] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "RI3",
    "water_depth": 170,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2032",
    "depth": 20.0,
    "PO4": 0.06,
    "SiOH4": 1.8,
    "NO3_NO2": 0.15,
    "NO2": 0.01,
    "NH4": 0.39,
    "NO3": 0.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0371, 59.4088] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "RI3",
    "water_depth": 170,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2032",
    "depth": 30.0,
    "PO4": 0.2,
    "SiOH4": 3.04,
    "NO3_NO2": 1.56,
    "NO2": 0.12,
    "NH4": 0.68,
    "NO3": 1.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0371, 59.4088] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "RI3",
    "water_depth": 170,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2032",
    "depth": 40.0,
    "PO4": 0.33,
    "SiOH4": 4.46,
    "NO3_NO2": 3.5,
    "NO2": 0.13,
    "NH4": 0.61,
    "NO3": 3.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0371, 59.4088] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "RI3",
    "water_depth": 170,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2032",
    "depth": 50.0,
    "PO4": 0.77,
    "SiOH4": 9.9,
    "NO3_NO2": 12.71,
    "NO2": 0.06,
    "NH4": 0.32,
    "NO3": 12.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0371, 59.4088] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "RI3",
    "water_depth": 170,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2032",
    "depth": 75.0,
    "PO4": 1.15,
    "SiOH4": 12.54,
    "NO3_NO2": 16.32,
    "NO2": 0.01,
    "NH4": 0.61,
    "NO3": 16.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0371, 59.4088] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "RI3",
    "water_depth": 170,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2032",
    "depth": 100.0,
    "PO4": 1.39,
    "SiOH4": 13.52,
    "NO3_NO2": 18.47,
    "NO2": 0.0,
    "NH4": 0.32,
    "NO3": 18.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0371, 59.4088] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "RI3",
    "water_depth": 170,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2032",
    "depth": 169.0,
    "PO4": 1.85,
    "SiOH4": 21.93,
    "NO3_NO2": 24.38,
    "NO2": 0.11,
    "NH4": 0.34,
    "NO3": 24.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1996, 59.4092] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "RI2",
    "water_depth": 125,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2115",
    "depth": 0.0,
    "PO4": 0.16,
    "SiOH4": 2.05,
    "NO3_NO2": 0.08,
    "NO2": 0.0,
    "NH4": 0.36,
    "NO3": 0.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1996, 59.4092] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "RI2",
    "water_depth": 125,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2115",
    "depth": 10.0,
    "PO4": 0.13,
    "SiOH4": 2.61,
    "NO3_NO2": 0.08,
    "NO2": 0.01,
    "NH4": 0.61,
    "NO3": 0.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1996, 59.4092] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "RI2",
    "water_depth": 125,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2115",
    "depth": 20.0,
    "PO4": 0.15,
    "SiOH4": 2.3,
    "NO3_NO2": 0.24,
    "NO2": 0.05,
    "NH4": 0.59,
    "NO3": 0.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1996, 59.4092] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "RI2",
    "water_depth": 125,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2115",
    "depth": 30.0,
    "PO4": 0.28,
    "SiOH4": 5.75,
    "NO3_NO2": 3.64,
    "NO2": 0.2,
    "NH4": 0.66,
    "NO3": 3.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1996, 59.4092] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "RI2",
    "water_depth": 125,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2115",
    "depth": 40.0,
    "PO4": 0.56,
    "SiOH4": 8.33,
    "NO3_NO2": 8.09,
    "NO2": 0.22,
    "NH4": 0.55,
    "NO3": 7.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1996, 59.4092] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "RI2",
    "water_depth": 125,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2115",
    "depth": 50.0,
    "PO4": 0.76,
    "SiOH4": 10.99,
    "NO3_NO2": 9.45,
    "NO2": 0.17,
    "NH4": 0.52,
    "NO3": 9.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1996, 59.4092] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "RI2",
    "water_depth": 125,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2115",
    "depth": 75.0,
    "PO4": 1.15,
    "SiOH4": 15.22,
    "NO3_NO2": 15.99,
    "NO2": 0.03,
    "NH4": 0.55,
    "NO3": 15.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1996, 59.4092] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "RI2",
    "water_depth": 125,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2115",
    "depth": 123.0,
    "PO4": 1.73,
    "SiOH4": 24.18,
    "NO3_NO2": 22.11,
    "NO2": 0.09,
    "NH4": 0.52,
    "NO3": 22.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.2595, 59.4092] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "RI1",
    "water_depth": 95,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2140",
    "depth": 0.0,
    "PO4": 0.08,
    "SiOH4": 4.6,
    "NO3_NO2": 0.07,
    "NO2": 0.01,
    "NH4": 0.14,
    "NO3": 0.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.2595, 59.4092] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "RI1",
    "water_depth": 95,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2140",
    "depth": 10.0,
    "PO4": 0.05,
    "SiOH4": 4.21,
    "NO3_NO2": 0.07,
    "NO2": 0.0,
    "NH4": 0.39,
    "NO3": 0.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.2595, 59.4092] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "RI1",
    "water_depth": 95,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2140",
    "depth": 20.0,
    "PO4": 0.09,
    "SiOH4": 3.91,
    "NO3_NO2": 0.17,
    "NO2": 0.01,
    "NH4": 0.41,
    "NO3": 0.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.2595, 59.4092] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "RI1",
    "water_depth": 95,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2140",
    "depth": 30.0,
    "PO4": 0.32,
    "SiOH4": 8.06,
    "NO3_NO2": 5.51,
    "NO2": 0.09,
    "NH4": 0.89,
    "NO3": 5.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.2595, 59.4092] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "RI1",
    "water_depth": 95,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2140",
    "depth": 40.0,
    "PO4": 0.55,
    "SiOH4": 9.07,
    "NO3_NO2": 7.39,
    "NO2": 0.11,
    "NH4": 0.64,
    "NO3": 7.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.2595, 59.4092] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "RI1",
    "water_depth": 95,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2140",
    "depth": 50.0,
    "PO4": 0.8,
    "SiOH4": 10.17,
    "NO3_NO2": 10.01,
    "NO2": 0.15,
    "NH4": 0.75,
    "NO3": 9.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.2595, 59.4092] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "RI1",
    "water_depth": 95,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2140",
    "depth": 75.0,
    "PO4": 1.15,
    "SiOH4": 13.72,
    "NO3_NO2": 15.61,
    "NO2": 0.06,
    "NH4": 0.73,
    "NO3": 15.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.2595, 59.4092] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "RI1",
    "water_depth": 95,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2140",
    "depth": 91.0,
    "PO4": 1.48,
    "SiOH4": 16.39,
    "NO3_NO2": 18.33,
    "NO2": 0.05,
    "NH4": 0.43,
    "NO3": 18.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1988, 59.3257] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "PI2",
    "water_depth": 155,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2234",
    "depth": 0.0,
    "PO4": 0.02,
    "SiOH4": null,
    "NO3_NO2": 0.1,
    "NO2": 0.01,
    "NH4": 0.44,
    "NO3": 0.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1988, 59.3257] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "PI2",
    "water_depth": 155,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2234",
    "depth": 10.0,
    "PO4": 0.08,
    "SiOH4": null,
    "NO3_NO2": 0.21,
    "NO2": 0.19,
    "NH4": 0.51,
    "NO3": 0.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1988, 59.3257] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "PI2",
    "water_depth": 155,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2234",
    "depth": 20.0,
    "PO4": 0.17,
    "SiOH4": null,
    "NO3_NO2": 1.47,
    "NO2": 0.48,
    "NH4": 0.49,
    "NO3": 0.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1988, 59.3257] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "PI2",
    "water_depth": 155,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2234",
    "depth": 30.0,
    "PO4": 0.34,
    "SiOH4": null,
    "NO3_NO2": 4.4,
    "NO2": 0.33,
    "NH4": 0.68,
    "NO3": 4.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1988, 59.3257] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "PI2",
    "water_depth": 155,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2234",
    "depth": 40.0,
    "PO4": 0.73,
    "SiOH4": 4.47,
    "NO3_NO2": 11.57,
    "NO2": 0.18,
    "NH4": 0.28,
    "NO3": 11.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1988, 59.3257] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "PI2",
    "water_depth": 155,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2234",
    "depth": 50.0,
    "PO4": 1.08,
    "SiOH4": 9.03,
    "NO3_NO2": 17.45,
    "NO2": 0.1,
    "NH4": 0.17,
    "NO3": 17.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1988, 59.3257] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "PI2",
    "water_depth": 155,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2234",
    "depth": 75.0,
    "PO4": 1.29,
    "SiOH4": 11.98,
    "NO3_NO2": 20.57,
    "NO2": 0.09,
    "NH4": 0.2,
    "NO3": 20.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1988, 59.3257] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "PI2",
    "water_depth": 155,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2234",
    "depth": 100.0,
    "PO4": 1.34,
    "SiOH4": 12.58,
    "NO3_NO2": 21.77,
    "NO2": 0.07,
    "NH4": 0.18,
    "NO3": 21.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1988, 59.3257] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "PI2",
    "water_depth": 155,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2234",
    "depth": 154.0,
    "PO4": 1.69,
    "SiOH4": 21.82,
    "NO3_NO2": 28.29,
    "NO2": 0.13,
    "NH4": 0.2,
    "NO3": 28.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1296, 59.2426] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "PI3",
    "water_depth": 155,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2329",
    "depth": 0.0,
    "PO4": 0.08,
    "SiOH4": 1.83,
    "NO3_NO2": 0.34,
    "NO2": 0.08,
    "NH4": 0.18,
    "NO3": 0.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1296, 59.2426] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "PI3",
    "water_depth": 155,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2329",
    "depth": 10.0,
    "PO4": 0.1,
    "SiOH4": 1.93,
    "NO3_NO2": 0.45,
    "NO2": 0.09,
    "NH4": 0.12,
    "NO3": 0.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1296, 59.2426] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "PI3",
    "water_depth": 155,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2329",
    "depth": 20.0,
    "PO4": 0.18,
    "SiOH4": 4.06,
    "NO3_NO2": 2.16,
    "NO2": 0.15,
    "NH4": 0.22,
    "NO3": 2.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1296, 59.2426] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "PI3",
    "water_depth": 155,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2329",
    "depth": 30.0,
    "PO4": 0.26,
    "SiOH4": 4.06,
    "NO3_NO2": 2.32,
    "NO2": 0.14,
    "NH4": 0.2,
    "NO3": 2.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1296, 59.2426] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "PI3",
    "water_depth": 155,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2329",
    "depth": 40.0,
    "PO4": 0.61,
    "SiOH4": 3.04,
    "NO3_NO2": 10.78,
    "NO2": 0.26,
    "NH4": 0.18,
    "NO3": 10.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1296, 59.2426] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "PI3",
    "water_depth": 155,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2329",
    "depth": 50.0,
    "PO4": 0.73,
    "SiOH4": 2.84,
    "NO3_NO2": 11.2,
    "NO2": 0.18,
    "NH4": 0.12,
    "NO3": 11.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1296, 59.2426] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "PI3",
    "water_depth": 155,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2329",
    "depth": 75.0,
    "PO4": 1.15,
    "SiOH4": 8.63,
    "NO3_NO2": 19.33,
    "NO2": 0.1,
    "NH4": 0.19,
    "NO3": 19.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1296, 59.2426] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "PI3",
    "water_depth": 155,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2329",
    "depth": 100.0,
    "PO4": 1.27,
    "SiOH4": 11.67,
    "NO3_NO2": 22.26,
    "NO2": 0.09,
    "NH4": 0.08,
    "NO3": 22.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1296, 59.2426] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "PI3",
    "water_depth": 155,
    "month_gmt": "8",
    "day_gmt": "30",
    "time_gmt": "2329",
    "depth": 151.0,
    "PO4": 1.64,
    "SiOH4": 22.53,
    "NO3_NO2": 29.75,
    "NO2": 0.1,
    "NH4": 0.1,
    "NO3": 29.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0628, 59.1597] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "PI4",
    "water_depth": 137,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "0024",
    "depth": 0.0,
    "PO4": 0.22,
    "SiOH4": 0.07,
    "NO3_NO2": 0.05,
    "NO2": 0.02,
    "NH4": 0.34,
    "NO3": 0.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0628, 59.1597] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "PI4",
    "water_depth": 137,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "0024",
    "depth": 10.0,
    "PO4": 0.2,
    "SiOH4": 0.04,
    "NO3_NO2": 0.04,
    "NO2": 0.01,
    "NH4": 0.0,
    "NO3": 0.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0628, 59.1597] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "PI4",
    "water_depth": 137,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "0024",
    "depth": 20.0,
    "PO4": 0.28,
    "SiOH4": 0.01,
    "NO3_NO2": 0.16,
    "NO2": 0.07,
    "NH4": 0.18,
    "NO3": 0.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0628, 59.1597] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "PI4",
    "water_depth": 137,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "0024",
    "depth": 30.0,
    "PO4": 0.43,
    "SiOH4": 3.84,
    "NO3_NO2": 6.7,
    "NO2": 0.16,
    "NH4": 0.47,
    "NO3": 6.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0628, 59.1597] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "PI4",
    "water_depth": 137,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "0024",
    "depth": 40.0,
    "PO4": 0.76,
    "SiOH4": 9.9,
    "NO3_NO2": 14.58,
    "NO2": 0.25,
    "NH4": 0.1,
    "NO3": 14.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0628, 59.1597] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "PI4",
    "water_depth": 137,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "0024",
    "depth": 50.0,
    "PO4": 1.04,
    "SiOH4": 14.13,
    "NO3_NO2": 18.55,
    "NO2": 0.13,
    "NH4": 0.14,
    "NO3": 18.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0628, 59.1597] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "PI4",
    "water_depth": 137,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "0024",
    "depth": 75.0,
    "PO4": 1.2,
    "SiOH4": 16.74,
    "NO3_NO2": 21.37,
    "NO2": 0.11,
    "NH4": 0.1,
    "NO3": 21.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0628, 59.1597] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "PI4",
    "water_depth": 137,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "0024",
    "depth": 100.0,
    "PO4": 1.29,
    "SiOH4": 19.24,
    "NO3_NO2": 23.67,
    "NO2": 0.18,
    "NH4": 0.1,
    "NO3": 23.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0628, 59.1597] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "PI4",
    "water_depth": 137,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "0024",
    "depth": 137.0,
    "PO4": 1.57,
    "SiOH4": 29.36,
    "NO3_NO2": 29.43,
    "NO2": 0.2,
    "NH4": 0.06,
    "NO3": 29.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9948, 59.0754] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 58,
    "stn_id": "PI5",
    "water_depth": 204,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "0118",
    "depth": 0.0,
    "PO4": 0.16,
    "SiOH4": 0.64,
    "NO3_NO2": 0.08,
    "NO2": 0.18,
    "NH4": 0.36,
    "NO3": 0.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9948, 59.0754] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 58,
    "stn_id": "PI5",
    "water_depth": 204,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "0118",
    "depth": 10.0,
    "PO4": 0.19,
    "SiOH4": 1.48,
    "NO3_NO2": 0.07,
    "NO2": 0.18,
    "NH4": 0.41,
    "NO3": 0.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9948, 59.0754] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 58,
    "stn_id": "PI5",
    "water_depth": 204,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "0118",
    "depth": 20.0,
    "PO4": 0.12,
    "SiOH4": 1.82,
    "NO3_NO2": 0.06,
    "NO2": 0.13,
    "NH4": 0.53,
    "NO3": 0.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9948, 59.0754] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 58,
    "stn_id": "PI5",
    "water_depth": 204,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "0118",
    "depth": 30.0,
    "PO4": 0.21,
    "SiOH4": 2.25,
    "NO3_NO2": 0.56,
    "NO2": 0.11,
    "NH4": 0.45,
    "NO3": 0.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9948, 59.0754] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 58,
    "stn_id": "PI5",
    "water_depth": 204,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "0118",
    "depth": 40.0,
    "PO4": 0.49,
    "SiOH4": 5.43,
    "NO3_NO2": 10.44,
    "NO2": 0.29,
    "NH4": 0.54,
    "NO3": 10.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9948, 59.0754] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 58,
    "stn_id": "PI5",
    "water_depth": 204,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "0118",
    "depth": 50.0,
    "PO4": 0.72,
    "SiOH4": 9.72,
    "NO3_NO2": 15.5,
    "NO2": 0.34,
    "NH4": 0.46,
    "NO3": 15.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9948, 59.0754] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 58,
    "stn_id": "PI5",
    "water_depth": 204,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "0118",
    "depth": 75.0,
    "PO4": 1.04,
    "SiOH4": 17.57,
    "NO3_NO2": 21.72,
    "NO2": 0.06,
    "NH4": 0.59,
    "NO3": 21.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9948, 59.0754] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 58,
    "stn_id": "PI5",
    "water_depth": 204,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "0118",
    "depth": 100.0,
    "PO4": 1.21,
    "SiOH4": 22.67,
    "NO3_NO2": 25.04,
    "NO2": 0.03,
    "NH4": 0.49,
    "NO3": 25.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9948, 59.0754] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 58,
    "stn_id": "PI5",
    "water_depth": 204,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "0118",
    "depth": 203.0,
    "PO4": 1.83,
    "SiOH4": 49.7,
    "NO3_NO2": 40.44,
    "NO2": 0.03,
    "NH4": 0.44,
    "NO3": 40.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9273, 59.0086] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 59,
    "stn_id": "PI6",
    "water_depth": 216,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "0203",
    "depth": 0.0,
    "PO4": 0.24,
    "SiOH4": 1.35,
    "NO3_NO2": 0.17,
    "NO2": 0.15,
    "NH4": 0.38,
    "NO3": 0.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9273, 59.0086] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 59,
    "stn_id": "PI6",
    "water_depth": 216,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "0203",
    "depth": 10.0,
    "PO4": 0.2,
    "SiOH4": 1.89,
    "NO3_NO2": 0.42,
    "NO2": 0.15,
    "NH4": 0.33,
    "NO3": 0.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9273, 59.0086] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 59,
    "stn_id": "PI6",
    "water_depth": 216,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "0203",
    "depth": 20.0,
    "PO4": 0.75,
    "SiOH4": 4.46,
    "NO3_NO2": 4.45,
    "NO2": 0.26,
    "NH4": 0.44,
    "NO3": 4.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9273, 59.0086] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 59,
    "stn_id": "PI6",
    "water_depth": 216,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "0203",
    "depth": 30.0,
    "PO4": 0.77,
    "SiOH4": 15.75,
    "NO3_NO2": 17.8,
    "NO2": 0.21,
    "NH4": 0.31,
    "NO3": 17.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9273, 59.0086] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 59,
    "stn_id": "PI6",
    "water_depth": 216,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "0203",
    "depth": 40.0,
    "PO4": 1.01,
    "SiOH4": 18.22,
    "NO3_NO2": 20.16,
    "NO2": 0.14,
    "NH4": 0.25,
    "NO3": 20.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9273, 59.0086] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 59,
    "stn_id": "PI6",
    "water_depth": 216,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "0203",
    "depth": 50.0,
    "PO4": 1.14,
    "SiOH4": 19.97,
    "NO3_NO2": 21.75,
    "NO2": 0.12,
    "NH4": 0.28,
    "NO3": 21.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9273, 59.0086] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 59,
    "stn_id": "PI6",
    "water_depth": 216,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "0203",
    "depth": 75.0,
    "PO4": 1.23,
    "SiOH4": 26.19,
    "NO3_NO2": 25.98,
    "NO2": 0.1,
    "NH4": 0.23,
    "NO3": 25.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9273, 59.0086] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 59,
    "stn_id": "PI6",
    "water_depth": 216,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "0203",
    "depth": 100.0,
    "PO4": 1.43,
    "SiOH4": 33.02,
    "NO3_NO2": 29.89,
    "NO2": 0.05,
    "NH4": 0.3,
    "NO3": 29.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9273, 59.0086] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 59,
    "stn_id": "PI6",
    "water_depth": 216,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "0203",
    "depth": 150.0,
    "PO4": 1.77,
    "SiOH4": 46.15,
    "NO3_NO2": 36.94,
    "NO2": 0.05,
    "NH4": 0.25,
    "NO3": 36.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9273, 59.0086] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 59,
    "stn_id": "PI6",
    "water_depth": 216,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "0203",
    "depth": 210.0,
    "PO4": 2.32,
    "SiOH4": 70.13,
    "NO3_NO2": 49.7,
    "NO2": 0.02,
    "NH4": 0.28,
    "NO3": 49.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8852, 59.1293] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "CC8",
    "water_depth": 202,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "1510",
    "depth": 0.0,
    "PO4": 0.01,
    "SiOH4": 5.11,
    "NO3_NO2": 0.16,
    "NO2": 0.02,
    "NH4": 0.42,
    "NO3": 0.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8852, 59.1293] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "CC8",
    "water_depth": 202,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "1510",
    "depth": 10.0,
    "PO4": 0.01,
    "SiOH4": 5.14,
    "NO3_NO2": 0.37,
    "NO2": 0.02,
    "NH4": 0.33,
    "NO3": 0.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8852, 59.1293] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "CC8",
    "water_depth": 202,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "1510",
    "depth": 20.0,
    "PO4": 0.07,
    "SiOH4": 6.39,
    "NO3_NO2": 1.24,
    "NO2": 0.08,
    "NH4": 0.12,
    "NO3": 1.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8852, 59.1293] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "CC8",
    "water_depth": 202,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "1510",
    "depth": 30.0,
    "PO4": 0.28,
    "SiOH4": 12.72,
    "NO3_NO2": 8.26,
    "NO2": 0.1,
    "NH4": 0.24,
    "NO3": 8.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8852, 59.1293] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "CC8",
    "water_depth": 202,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "1510",
    "depth": 40.0,
    "PO4": 0.83,
    "SiOH4": 23.82,
    "NO3_NO2": 22.92,
    "NO2": 0.07,
    "NH4": 0.23,
    "NO3": 22.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8852, 59.1293] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "CC8",
    "water_depth": 202,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "1510",
    "depth": 50.0,
    "PO4": 1.06,
    "SiOH4": 25.88,
    "NO3_NO2": 25.33,
    "NO2": 0.0,
    "NH4": 0.27,
    "NO3": 25.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8852, 59.1293] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "CC8",
    "water_depth": 202,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "1510",
    "depth": 75.0,
    "PO4": 1.16,
    "SiOH4": 25.81,
    "NO3_NO2": 24.71,
    "NO2": 0.02,
    "NH4": 0.4,
    "NO3": 24.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8852, 59.1293] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "CC8",
    "water_depth": 202,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "1510",
    "depth": 100.0,
    "PO4": 1.23,
    "SiOH4": 30.31,
    "NO3_NO2": 28.01,
    "NO2": 0.02,
    "NH4": 0.27,
    "NO3": 28.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8852, 59.1293] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "CC8",
    "water_depth": 202,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "1510",
    "depth": 150.0,
    "PO4": 1.85,
    "SiOH4": 55.01,
    "NO3_NO2": 44.28,
    "NO2": 0.01,
    "NH4": 0.47,
    "NO3": 44.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8852, 59.1293] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "CC8",
    "water_depth": 202,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "1510",
    "depth": 198.0,
    "PO4": 2.19,
    "SiOH4": 65.09,
    "NO3_NO2": 49.38,
    "NO2": 0.01,
    "NH4": 0.43,
    "NO3": 49.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8865, 59.2511] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 61,
    "stn_id": "CC7",
    "water_depth": 180,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "1622",
    "depth": 0.0,
    "PO4": 0.12,
    "SiOH4": 4.84,
    "NO3_NO2": 0.74,
    "NO2": 0.0,
    "NH4": 0.38,
    "NO3": 0.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8865, 59.2511] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 61,
    "stn_id": "CC7",
    "water_depth": 180,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "1622",
    "depth": 25.0,
    "PO4": 0.48,
    "SiOH4": 16.64,
    "NO3_NO2": 16.05,
    "NO2": 0.07,
    "NH4": 0.34,
    "NO3": 15.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8865, 59.2511] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 61,
    "stn_id": "CC7",
    "water_depth": 180,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "1622",
    "depth": 50.0,
    "PO4": 0.99,
    "SiOH4": 26.73,
    "NO3_NO2": 26.86,
    "NO2": 0.01,
    "NH4": 0.33,
    "NO3": 26.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8865, 59.2511] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 61,
    "stn_id": "CC7",
    "water_depth": 180,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "1622",
    "depth": 75.0,
    "PO4": 1.18,
    "SiOH4": 28.18,
    "NO3_NO2": 27.02,
    "NO2": 0.02,
    "NH4": 0.37,
    "NO3": 27.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8865, 59.2511] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 61,
    "stn_id": "CC7",
    "water_depth": 180,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "1622",
    "depth": 100.0,
    "PO4": 1.19,
    "SiOH4": 26.89,
    "NO3_NO2": 26.66,
    "NO2": 0.01,
    "NH4": 0.28,
    "NO3": 26.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8865, 59.2511] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 61,
    "stn_id": "CC7",
    "water_depth": 180,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "1622",
    "depth": 150.0,
    "PO4": 1.62,
    "SiOH4": 44.28,
    "NO3_NO2": 38.05,
    "NO2": 0.03,
    "NH4": 0.28,
    "NO3": 38.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8865, 59.2511] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 61,
    "stn_id": "CC7",
    "water_depth": 180,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "1622",
    "depth": 174.0,
    "PO4": 1.7,
    "SiOH4": 45.13,
    "NO3_NO2": 38.14,
    "NO2": 0.0,
    "NH4": 0.23,
    "NO3": 38.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8853, 59.368] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "CC6",
    "water_depth": 176,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "1726",
    "depth": 0.0,
    "PO4": 0.1,
    "SiOH4": 4.47,
    "NO3_NO2": 0.03,
    "NO2": 0.02,
    "NH4": 0.36,
    "NO3": 0.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8853, 59.368] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "CC6",
    "water_depth": 176,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "1726",
    "depth": 25.0,
    "PO4": 0.1,
    "SiOH4": 6.22,
    "NO3_NO2": 2.76,
    "NO2": 0.07,
    "NH4": 0.44,
    "NO3": 2.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8853, 59.368] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "CC6",
    "water_depth": 176,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "1726",
    "depth": 50.0,
    "PO4": 0.52,
    "SiOH4": 19.45,
    "NO3_NO2": 18.77,
    "NO2": 0.06,
    "NH4": 0.31,
    "NO3": 18.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8853, 59.368] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "CC6",
    "water_depth": 176,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "1726",
    "depth": 75.0,
    "PO4": 0.95,
    "SiOH4": 28.11,
    "NO3_NO2": 26.11,
    "NO2": 0.01,
    "NH4": 0.3,
    "NO3": 26.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8853, 59.368] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "CC6",
    "water_depth": 176,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "1726",
    "depth": 100.0,
    "PO4": 1.16,
    "SiOH4": 28.55,
    "NO3_NO2": 25.43,
    "NO2": 0.01,
    "NH4": 0.3,
    "NO3": 25.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8853, 59.368] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "CC6",
    "water_depth": 176,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "1726",
    "depth": 173.0,
    "PO4": 1.46,
    "SiOH4": 45.03,
    "NO3_NO2": 37.21,
    "NO2": 0.03,
    "NH4": 0.34,
    "NO3": 37.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8863, 59.4838] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 63,
    "stn_id": "CC5",
    "water_depth": 120,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "1828",
    "depth": 0.0,
    "PO4": 0.05,
    "SiOH4": 2.49,
    "NO3_NO2": 0.65,
    "NO2": 0.02,
    "NH4": 0.37,
    "NO3": 0.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8863, 59.4838] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 63,
    "stn_id": "CC5",
    "water_depth": 120,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "1828",
    "depth": 25.0,
    "PO4": 0.18,
    "SiOH4": 4.87,
    "NO3_NO2": 2.27,
    "NO2": 0.11,
    "NH4": 0.41,
    "NO3": 2.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8863, 59.4838] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 63,
    "stn_id": "CC5",
    "water_depth": 120,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "1828",
    "depth": 50.0,
    "PO4": 0.89,
    "SiOH4": 16.59,
    "NO3_NO2": 18.46,
    "NO2": 0.11,
    "NH4": 0.19,
    "NO3": 18.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8863, 59.4838] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 63,
    "stn_id": "CC5",
    "water_depth": 120,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "1828",
    "depth": 75.0,
    "PO4": 1.45,
    "SiOH4": 28.52,
    "NO3_NO2": 28.87,
    "NO2": 0.07,
    "NH4": 0.31,
    "NO3": 28.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8863, 59.4838] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 63,
    "stn_id": "CC5",
    "water_depth": 120,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "1828",
    "depth": 118.0,
    "PO4": 1.54,
    "SiOH4": 35.61,
    "NO3_NO2": 29.2,
    "NO2": 0.09,
    "NH4": 0.31,
    "NO3": 29.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8859, 59.6005] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 64,
    "stn_id": "CC4",
    "water_depth": 112,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "1928",
    "depth": 0.0,
    "PO4": 0.09,
    "SiOH4": 3.15,
    "NO3_NO2": 1.03,
    "NO2": 0.06,
    "NH4": 0.47,
    "NO3": 0.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8859, 59.6005] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 64,
    "stn_id": "CC4",
    "water_depth": 112,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "1928",
    "depth": 25.0,
    "PO4": 0.31,
    "SiOH4": 9.09,
    "NO3_NO2": 4.44,
    "NO2": 0.22,
    "NH4": 0.51,
    "NO3": 4.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8859, 59.6005] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 64,
    "stn_id": "CC4",
    "water_depth": 112,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "1928",
    "depth": 50.0,
    "PO4": 0.98,
    "SiOH4": 22.54,
    "NO3_NO2": 20.44,
    "NO2": 0.08,
    "NH4": 0.33,
    "NO3": 20.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8859, 59.6005] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 64,
    "stn_id": "CC4",
    "water_depth": 112,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "1928",
    "depth": 75.0,
    "PO4": 1.4,
    "SiOH4": 31.23,
    "NO3_NO2": 26.68,
    "NO2": 0.04,
    "NH4": 0.5,
    "NO3": 26.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8859, 59.6005] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 64,
    "stn_id": "CC4",
    "water_depth": 112,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "1928",
    "depth": 112.0,
    "PO4": 1.56,
    "SiOH4": 37.17,
    "NO3_NO2": 29.64,
    "NO2": 0.08,
    "NH4": 0.45,
    "NO3": 29.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8892, 59.6676] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 65,
    "stn_id": "CC3",
    "water_depth": 70,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "2013",
    "depth": 0.0,
    "PO4": 0.03,
    "SiOH4": 3.33,
    "NO3_NO2": 0.64,
    "NO2": 0.04,
    "NH4": 0.49,
    "NO3": 0.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8892, 59.6676] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 65,
    "stn_id": "CC3",
    "water_depth": 70,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "2013",
    "depth": 25.0,
    "PO4": 0.09,
    "SiOH4": 1.25,
    "NO3_NO2": 0.58,
    "NO2": 0.03,
    "NH4": 0.48,
    "NO3": 0.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8892, 59.6676] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 65,
    "stn_id": "CC3",
    "water_depth": 70,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "2013",
    "depth": 50.0,
    "PO4": 0.97,
    "SiOH4": 28.0,
    "NO3_NO2": 23.13,
    "NO2": 0.06,
    "NH4": 0.18,
    "NO3": 23.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8892, 59.6676] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 65,
    "stn_id": "CC3",
    "water_depth": 70,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "2013",
    "depth": 66.0,
    "PO4": 1.23,
    "SiOH4": 28.87,
    "NO3_NO2": 23.85,
    "NO2": 0.08,
    "NH4": 0.26,
    "NO3": 23.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8893, 59.7108] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 66,
    "stn_id": "CC2",
    "water_depth": 50,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "2046",
    "depth": 0.0,
    "PO4": 0.02,
    "SiOH4": 3.65,
    "NO3_NO2": 0.36,
    "NO2": 0.05,
    "NH4": 0.42,
    "NO3": 0.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8893, 59.7108] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 66,
    "stn_id": "CC2",
    "water_depth": 50,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "2046",
    "depth": 25.0,
    "PO4": 0.54,
    "SiOH4": 15.48,
    "NO3_NO2": 13.66,
    "NO2": 0.17,
    "NH4": 0.29,
    "NO3": 13.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8893, 59.7108] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 66,
    "stn_id": "CC2",
    "water_depth": 50,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "2046",
    "depth": 49.0,
    "PO4": 1.09,
    "SiOH4": 27.01,
    "NO3_NO2": 22.34,
    "NO2": 0.1,
    "NH4": 0.12,
    "NO3": 22.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8898, 59.7452] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 67,
    "stn_id": "CC1",
    "water_depth": 23,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "2115",
    "depth": 0.0,
    "PO4": 0.02,
    "SiOH4": 5.45,
    "NO3_NO2": 0.27,
    "NO2": 0.01,
    "NH4": 0.24,
    "NO3": 0.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8898, 59.7452] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 67,
    "stn_id": "CC1",
    "water_depth": 23,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "2115",
    "depth": 10.0,
    "PO4": 0.11,
    "SiOH4": 8.34,
    "NO3_NO2": 4.06,
    "NO2": 0.14,
    "NH4": 0.4,
    "NO3": 3.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8898, 59.7452] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 67,
    "stn_id": "CC1",
    "water_depth": 23,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "2115",
    "depth": 23.0,
    "PO4": 0.61,
    "SiOH4": 19.67,
    "NO3_NO2": 15.44,
    "NO2": 0.17,
    "NH4": 0.35,
    "NO3": 15.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0058, 59.7171] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 68,
    "stn_id": "CCSW1",
    "water_depth": 27,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "2145",
    "depth": 0.0,
    "PO4": 0.04,
    "SiOH4": 2.64,
    "NO3_NO2": 0.65,
    "NO2": 0.01,
    "NH4": 0.29,
    "NO3": 0.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0058, 59.7171] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 68,
    "stn_id": "CCSW1",
    "water_depth": 27,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "2145",
    "depth": 10.0,
    "PO4": 0.13,
    "SiOH4": 1.75,
    "NO3_NO2": 1.01,
    "NO2": 0.0,
    "NH4": 0.5,
    "NO3": 1.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0058, 59.7171] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 68,
    "stn_id": "CCSW1",
    "water_depth": 27,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "2145",
    "depth": 24.0,
    "PO4": 0.75,
    "SiOH4": 11.62,
    "NO3_NO2": 11.65,
    "NO2": 0.04,
    "NH4": 0.31,
    "NO3": 11.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0867, 59.6681] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 69,
    "stn_id": "CCSW2",
    "water_depth": 55,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "2224",
    "depth": 0.0,
    "PO4": 0.39,
    "SiOH4": 1.27,
    "NO3_NO2": 0.35,
    "NO2": 0.0,
    "NH4": 0.25,
    "NO3": 0.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0867, 59.6681] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 69,
    "stn_id": "CCSW2",
    "water_depth": 55,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "2224",
    "depth": 10.0,
    "PO4": 0.41,
    "SiOH4": 1.3,
    "NO3_NO2": 0.3,
    "NO2": 0.01,
    "NH4": 0.28,
    "NO3": 0.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0867, 59.6681] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 69,
    "stn_id": "CCSW2",
    "water_depth": 55,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "2224",
    "depth": 20.0,
    "PO4": 0.36,
    "SiOH4": 1.25,
    "NO3_NO2": 0.3,
    "NO2": 0.02,
    "NH4": 0.09,
    "NO3": 0.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0867, 59.6681] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 69,
    "stn_id": "CCSW2",
    "water_depth": 55,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "2224",
    "depth": 30.0,
    "PO4": 0.77,
    "SiOH4": 11.66,
    "NO3_NO2": 12.3,
    "NO2": 0.18,
    "NH4": 0.25,
    "NO3": 12.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0867, 59.6681] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 69,
    "stn_id": "CCSW2",
    "water_depth": 55,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "2224",
    "depth": 40.0,
    "PO4": 1.27,
    "SiOH4": 15.46,
    "NO3_NO2": 17.04,
    "NO2": 0.12,
    "NH4": 0.36,
    "NO3": 16.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0867, 59.6681] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 69,
    "stn_id": "CCSW2",
    "water_depth": 55,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "2224",
    "depth": 51.0,
    "PO4": 1.53,
    "SiOH4": 16.87,
    "NO3_NO2": 18.69,
    "NO2": 0.11,
    "NH4": 0.35,
    "NO3": 18.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.1739, 59.6263] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 70,
    "stn_id": "CCSW3",
    "water_depth": 170,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "2304",
    "depth": 0.0,
    "PO4": 0.35,
    "SiOH4": 2.44,
    "NO3_NO2": 0.35,
    "NO2": 0.05,
    "NH4": 0.38,
    "NO3": 0.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.1739, 59.6263] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 70,
    "stn_id": "CCSW3",
    "water_depth": 170,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "2304",
    "depth": 25.0,
    "PO4": 0.53,
    "SiOH4": 7.39,
    "NO3_NO2": 6.09,
    "NO2": 0.18,
    "NH4": 0.63,
    "NO3": 5.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.1739, 59.6263] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 70,
    "stn_id": "CCSW3",
    "water_depth": 170,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "2304",
    "depth": 50.0,
    "PO4": 0.99,
    "SiOH4": 12.35,
    "NO3_NO2": 13.72,
    "NO2": 0.12,
    "NH4": 0.31,
    "NO3": 13.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.1739, 59.6263] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 70,
    "stn_id": "CCSW3",
    "water_depth": 170,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "2304",
    "depth": 75.0,
    "PO4": 1.5,
    "SiOH4": 19.76,
    "NO3_NO2": 22.18,
    "NO2": 0.04,
    "NH4": 0.29,
    "NO3": 22.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.1739, 59.6263] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 70,
    "stn_id": "CCSW3",
    "water_depth": 170,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "2304",
    "depth": 100.0,
    "PO4": 1.94,
    "SiOH4": 26.63,
    "NO3_NO2": 26.44,
    "NO2": 0.07,
    "NH4": 0.23,
    "NO3": 26.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.1739, 59.6263] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 70,
    "stn_id": "CCSW3",
    "water_depth": 170,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "2304",
    "depth": 125.0,
    "PO4": 2.14,
    "SiOH4": 27.89,
    "NO3_NO2": 27.45,
    "NO2": 0.08,
    "NH4": 0.26,
    "NO3": 27.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.1739, 59.6263] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 70,
    "stn_id": "CCSW3",
    "water_depth": 170,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "2304",
    "depth": 165.0,
    "PO4": 2.63,
    "SiOH4": 40.23,
    "NO3_NO2": 37.09,
    "NO2": 0.05,
    "NH4": 0.25,
    "NO3": 37.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2493, 59.5869] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 71,
    "stn_id": "CCSW4",
    "water_depth": 195,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "2350",
    "depth": 0.0,
    "PO4": 0.36,
    "SiOH4": 2.18,
    "NO3_NO2": 0.41,
    "NO2": 0.08,
    "NH4": 0.32,
    "NO3": 0.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2493, 59.5869] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 71,
    "stn_id": "CCSW4",
    "water_depth": 195,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "2350",
    "depth": 25.0,
    "PO4": 0.45,
    "SiOH4": 3.83,
    "NO3_NO2": 0.95,
    "NO2": 0.12,
    "NH4": 0.44,
    "NO3": 0.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2493, 59.5869] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 71,
    "stn_id": "CCSW4",
    "water_depth": 195,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "2350",
    "depth": 50.0,
    "PO4": 0.77,
    "SiOH4": 9.09,
    "NO3_NO2": 9.76,
    "NO2": 0.13,
    "NH4": 0.51,
    "NO3": 9.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2493, 59.5869] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 71,
    "stn_id": "CCSW4",
    "water_depth": 195,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "2350",
    "depth": 75.0,
    "PO4": 1.42,
    "SiOH4": 20.81,
    "NO3_NO2": 23.25,
    "NO2": 0.05,
    "NH4": 0.36,
    "NO3": 23.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2493, 59.5869] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 71,
    "stn_id": "CCSW4",
    "water_depth": 195,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "2350",
    "depth": 100.0,
    "PO4": 1.84,
    "SiOH4": 22.14,
    "NO3_NO2": 23.96,
    "NO2": 0.04,
    "NH4": 0.31,
    "NO3": 23.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2493, 59.5869] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 71,
    "stn_id": "CCSW4",
    "water_depth": 195,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "2350",
    "depth": 125.0,
    "PO4": 2.0,
    "SiOH4": 28.86,
    "NO3_NO2": 28.87,
    "NO2": 0.05,
    "NH4": 0.34,
    "NO3": 28.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2493, 59.5869] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 71,
    "stn_id": "CCSW4",
    "water_depth": 195,
    "month_gmt": "8",
    "day_gmt": "31",
    "time_gmt": "2350",
    "depth": 191.0,
    "PO4": 2.68,
    "SiOH4": 45.82,
    "NO3_NO2": 40.22,
    "NO2": 0.04,
    "NH4": 0.32,
    "NO3": 40.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3345, 59.5448] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "CCSW5",
    "water_depth": 191,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0039",
    "depth": 0.0,
    "PO4": 0.06,
    "SiOH4": 2.13,
    "NO3_NO2": 0.41,
    "NO2": 0.04,
    "NH4": 0.48,
    "NO3": 0.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3345, 59.5448] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "CCSW5",
    "water_depth": 191,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0039",
    "depth": 25.0,
    "PO4": 0.2,
    "SiOH4": 6.5,
    "NO3_NO2": 5.49,
    "NO2": 0.18,
    "NH4": 0.43,
    "NO3": 5.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3345, 59.5448] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "CCSW5",
    "water_depth": 191,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0039",
    "depth": 50.0,
    "PO4": 0.71,
    "SiOH4": 15.71,
    "NO3_NO2": 17.96,
    "NO2": 0.01,
    "NH4": 0.38,
    "NO3": 17.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3345, 59.5448] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "CCSW5",
    "water_depth": 191,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0039",
    "depth": 75.0,
    "PO4": 1.27,
    "SiOH4": 21.23,
    "NO3_NO2": 22.68,
    "NO2": 0.04,
    "NH4": 0.37,
    "NO3": 22.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3345, 59.5448] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "CCSW5",
    "water_depth": 191,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0039",
    "depth": 100.0,
    "PO4": 1.46,
    "SiOH4": 22.6,
    "NO3_NO2": 23.86,
    "NO2": 0.01,
    "NH4": 0.32,
    "NO3": 23.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3345, 59.5448] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "CCSW5",
    "water_depth": 191,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0039",
    "depth": 125.0,
    "PO4": 1.66,
    "SiOH4": 25.65,
    "NO3_NO2": 26.1,
    "NO2": 0.01,
    "NH4": 0.36,
    "NO3": 26.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3345, 59.5448] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "CCSW5",
    "water_depth": 191,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0039",
    "depth": 189.0,
    "PO4": 2.38,
    "SiOH4": 48.4,
    "NO3_NO2": 41.59,
    "NO2": 0.05,
    "NH4": 0.36,
    "NO3": 41.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3349, 59.6266] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 73,
    "stn_id": "PWSW6",
    "water_depth": 195,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0126",
    "depth": 0.0,
    "PO4": 0.01,
    "SiOH4": 2.22,
    "NO3_NO2": 0.24,
    "NO2": 0.07,
    "NH4": 0.23,
    "NO3": 0.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3349, 59.6266] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 73,
    "stn_id": "PWSW6",
    "water_depth": 195,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0126",
    "depth": 25.0,
    "PO4": 0.03,
    "SiOH4": 4.21,
    "NO3_NO2": 0.77,
    "NO2": 0.06,
    "NH4": 0.2,
    "NO3": 0.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3349, 59.6266] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 73,
    "stn_id": "PWSW6",
    "water_depth": 195,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0126",
    "depth": 50.0,
    "PO4": 0.37,
    "SiOH4": 13.12,
    "NO3_NO2": 14.2,
    "NO2": 0.08,
    "NH4": 0.03,
    "NO3": 14.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3349, 59.6266] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 73,
    "stn_id": "PWSW6",
    "water_depth": 195,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0126",
    "depth": 75.0,
    "PO4": 1.0,
    "SiOH4": 19.11,
    "NO3_NO2": 21.06,
    "NO2": 0.02,
    "NH4": 0.04,
    "NO3": 21.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3349, 59.6266] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 73,
    "stn_id": "PWSW6",
    "water_depth": 195,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0126",
    "depth": 100.0,
    "PO4": 1.35,
    "SiOH4": 21.1,
    "NO3_NO2": 22.83,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 22.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3349, 59.6266] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 73,
    "stn_id": "PWSW6",
    "water_depth": 195,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0126",
    "depth": 125.0,
    "PO4": 1.66,
    "SiOH4": 24.94,
    "NO3_NO2": 25.26,
    "NO2": 0.01,
    "NH4": 0.02,
    "NO3": 25.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3349, 59.6266] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 73,
    "stn_id": "PWSW6",
    "water_depth": 195,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0126",
    "depth": 187.0,
    "PO4": 2.36,
    "SiOH4": 46.32,
    "NO3_NO2": 40.34,
    "NO2": 0.03,
    "NH4": 0.16,
    "NO3": 40.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3337, 59.7095] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 74,
    "stn_id": "PWSW5",
    "water_depth": 178,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0214",
    "depth": 0.0,
    "PO4": 0.01,
    "SiOH4": 2.14,
    "NO3_NO2": 0.65,
    "NO2": 0.09,
    "NH4": 0.3,
    "NO3": 0.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3337, 59.7095] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 74,
    "stn_id": "PWSW5",
    "water_depth": 178,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0214",
    "depth": 25.0,
    "PO4": 0.08,
    "SiOH4": 8.21,
    "NO3_NO2": 9.11,
    "NO2": 0.3,
    "NH4": 0.33,
    "NO3": 8.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3337, 59.7095] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 74,
    "stn_id": "PWSW5",
    "water_depth": 178,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0214",
    "depth": 50.0,
    "PO4": 0.49,
    "SiOH4": 15.66,
    "NO3_NO2": 17.75,
    "NO2": 0.11,
    "NH4": 0.23,
    "NO3": 17.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3337, 59.7095] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 74,
    "stn_id": "PWSW5",
    "water_depth": 178,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0214",
    "depth": 75.0,
    "PO4": 0.91,
    "SiOH4": 18.65,
    "NO3_NO2": 21.53,
    "NO2": 0.11,
    "NH4": 0.22,
    "NO3": 21.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3337, 59.7095] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 74,
    "stn_id": "PWSW5",
    "water_depth": 178,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0214",
    "depth": 100.0,
    "PO4": 1.41,
    "SiOH4": 26.34,
    "NO3_NO2": 26.91,
    "NO2": 0.08,
    "NH4": 0.25,
    "NO3": 26.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3337, 59.7095] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 74,
    "stn_id": "PWSW5",
    "water_depth": 178,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0214",
    "depth": 125.0,
    "PO4": 1.6,
    "SiOH4": 25.4,
    "NO3_NO2": 26.5,
    "NO2": 0.03,
    "NH4": 0.15,
    "NO3": 26.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3337, 59.7095] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 74,
    "stn_id": "PWSW5",
    "water_depth": 178,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0214",
    "depth": 170.0,
    "PO4": 1.89,
    "SiOH4": 34.01,
    "NO3_NO2": 33.6,
    "NO2": 0.03,
    "NH4": 0.27,
    "NO3": 33.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3327, 59.7746] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 75,
    "stn_id": "PWSW4",
    "water_depth": 127,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0255",
    "depth": 0.0,
    "PO4": 0.01,
    "SiOH4": 2.44,
    "NO3_NO2": 0.52,
    "NO2": 0.0,
    "NH4": 0.4,
    "NO3": 0.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3327, 59.7746] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 75,
    "stn_id": "PWSW4",
    "water_depth": 127,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0255",
    "depth": 25.0,
    "PO4": 0.32,
    "SiOH4": 5.96,
    "NO3_NO2": 4.06,
    "NO2": 0.05,
    "NH4": 0.49,
    "NO3": 4.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3327, 59.7746] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 75,
    "stn_id": "PWSW4",
    "water_depth": 127,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0255",
    "depth": 50.0,
    "PO4": 0.5,
    "SiOH4": 7.01,
    "NO3_NO2": 5.71,
    "NO2": 0.1,
    "NH4": 0.46,
    "NO3": 5.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3327, 59.7746] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 75,
    "stn_id": "PWSW4",
    "water_depth": 127,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0255",
    "depth": 75.0,
    "PO4": 1.42,
    "SiOH4": 18.07,
    "NO3_NO2": 19.31,
    "NO2": 0.02,
    "NH4": 0.29,
    "NO3": 19.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3327, 59.7746] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 75,
    "stn_id": "PWSW4",
    "water_depth": 127,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0255",
    "depth": 100.0,
    "PO4": 1.68,
    "SiOH4": 20.74,
    "NO3_NO2": 21.72,
    "NO2": 0.02,
    "NH4": 0.34,
    "NO3": 21.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3327, 59.7746] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 75,
    "stn_id": "PWSW4",
    "water_depth": 127,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0255",
    "depth": 125.0,
    "PO4": 1.99,
    "SiOH4": 25.87,
    "NO3_NO2": 25.56,
    "NO2": 0.05,
    "NH4": 0.43,
    "NO3": 25.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3345, 59.8252] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 76,
    "stn_id": "PWSW3",
    "water_depth": 126,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0327",
    "depth": 0.0,
    "PO4": 0.01,
    "SiOH4": 3.12,
    "NO3_NO2": 0.11,
    "NO2": 0.05,
    "NH4": 1.34,
    "NO3": 0.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3345, 59.8252] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 76,
    "stn_id": "PWSW3",
    "water_depth": 126,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0327",
    "depth": 25.0,
    "PO4": 0.2,
    "SiOH4": 3.12,
    "NO3_NO2": 1.66,
    "NO2": 0.03,
    "NH4": 0.45,
    "NO3": 1.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3345, 59.8252] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 76,
    "stn_id": "PWSW3",
    "water_depth": 126,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0327",
    "depth": 50.0,
    "PO4": 0.63,
    "SiOH4": 15.19,
    "NO3_NO2": 14.4,
    "NO2": 0.03,
    "NH4": 0.55,
    "NO3": 14.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3345, 59.8252] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 76,
    "stn_id": "PWSW3",
    "water_depth": 126,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0327",
    "depth": 75.0,
    "PO4": 1.57,
    "SiOH4": 23.58,
    "NO3_NO2": 21.35,
    "NO2": 0.03,
    "NH4": 0.39,
    "NO3": 21.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3345, 59.8252] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 76,
    "stn_id": "PWSW3",
    "water_depth": 126,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0327",
    "depth": 100.0,
    "PO4": 1.69,
    "SiOH4": 23.58,
    "NO3_NO2": 22.96,
    "NO2": 0.01,
    "NH4": 0.44,
    "NO3": 22.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3345, 59.8252] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 76,
    "stn_id": "PWSW3",
    "water_depth": 126,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0327",
    "depth": 121.0,
    "PO4": 1.93,
    "SiOH4": 26.86,
    "NO3_NO2": 24.62,
    "NO2": 0.06,
    "NH4": 0.48,
    "NO3": 24.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.333, 59.8751] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 77,
    "stn_id": "PWSW2",
    "water_depth": 79,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0358",
    "depth": 0.0,
    "PO4": 0.01,
    "SiOH4": 3.2,
    "NO3_NO2": 0.09,
    "NO2": 0.03,
    "NH4": 1.05,
    "NO3": 0.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.333, 59.8751] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 77,
    "stn_id": "PWSW2",
    "water_depth": 79,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0358",
    "depth": 20.0,
    "PO4": 0.18,
    "SiOH4": 6.32,
    "NO3_NO2": 5.31,
    "NO2": 0.08,
    "NH4": 1.14,
    "NO3": 5.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.333, 59.8751] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 77,
    "stn_id": "PWSW2",
    "water_depth": 79,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0358",
    "depth": 50.0,
    "PO4": 0.84,
    "SiOH4": 16.79,
    "NO3_NO2": 14.88,
    "NO2": 0.15,
    "NH4": 1.14,
    "NO3": 14.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.333, 59.8751] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 77,
    "stn_id": "PWSW2",
    "water_depth": 79,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0358",
    "depth": 77.0,
    "PO4": 1.36,
    "SiOH4": 22.54,
    "NO3_NO2": 19.83,
    "NO2": 0.11,
    "NH4": 1.13,
    "NO3": 19.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3362, 59.9254] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 78,
    "stn_id": "PWSW1",
    "water_depth": 129,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0427",
    "depth": 0.0,
    "PO4": 0.01,
    "SiOH4": 1.2,
    "NO3_NO2": 0.3,
    "NO2": 0.02,
    "NH4": 1.33,
    "NO3": 0.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3362, 59.9254] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 78,
    "stn_id": "PWSW1",
    "water_depth": 129,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0427",
    "depth": 25.0,
    "PO4": 0.03,
    "SiOH4": 3.68,
    "NO3_NO2": 2.24,
    "NO2": 0.06,
    "NH4": 1.43,
    "NO3": 2.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3362, 59.9254] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 78,
    "stn_id": "PWSW1",
    "water_depth": 129,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0427",
    "depth": 50.0,
    "PO4": 0.91,
    "SiOH4": 19.59,
    "NO3_NO2": 17.59,
    "NO2": 0.09,
    "NH4": 0.54,
    "NO3": 17.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3362, 59.9254] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 78,
    "stn_id": "PWSW1",
    "water_depth": 129,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0427",
    "depth": 75.0,
    "PO4": 1.53,
    "SiOH4": 23.9,
    "NO3_NO2": 21.15,
    "NO2": 0.02,
    "NH4": 0.43,
    "NO3": 21.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3362, 59.9254] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 78,
    "stn_id": "PWSW1",
    "water_depth": 129,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0427",
    "depth": 100.0,
    "PO4": 1.78,
    "SiOH4": 28.06,
    "NO3_NO2": 23.93,
    "NO2": 0.04,
    "NH4": 0.48,
    "NO3": 23.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3362, 59.9254] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 78,
    "stn_id": "PWSW1",
    "water_depth": 129,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0427",
    "depth": 126.0,
    "PO4": 1.98,
    "SiOH4": 30.22,
    "NO3_NO2": 25.48,
    "NO2": 0.07,
    "NH4": 0.47,
    "NO3": 25.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9934, 60.2712] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 79,
    "stn_id": "KIP2",
    "water_depth": 565,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0817",
    "depth": 0.0,
    "PO4": 0.01,
    "SiOH4": 0.18,
    "NO3_NO2": 0.04,
    "NO2": 0.04,
    "NH4": 0.52,
    "NO3": 0.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9934, 60.2712] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 79,
    "stn_id": "KIP2",
    "water_depth": 565,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0817",
    "depth": 10.0,
    "PO4": 0.09,
    "SiOH4": 1.72,
    "NO3_NO2": 1.54,
    "NO2": 0.05,
    "NH4": 0.52,
    "NO3": 1.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9934, 60.2712] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 79,
    "stn_id": "KIP2",
    "water_depth": 565,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0817",
    "depth": 20.0,
    "PO4": 0.28,
    "SiOH4": 4.38,
    "NO3_NO2": 3.97,
    "NO2": 0.01,
    "NH4": 0.58,
    "NO3": 3.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9934, 60.2712] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 79,
    "stn_id": "KIP2",
    "water_depth": 565,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0817",
    "depth": 30.0,
    "PO4": 1.02,
    "SiOH4": 15.83,
    "NO3_NO2": 13.58,
    "NO2": 0.02,
    "NH4": 0.27,
    "NO3": 13.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9934, 60.2712] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 79,
    "stn_id": "KIP2",
    "water_depth": 565,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0817",
    "depth": 40.0,
    "PO4": 1.27,
    "SiOH4": 16.89,
    "NO3_NO2": 14.46,
    "NO2": 0.01,
    "NH4": 0.48,
    "NO3": 14.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9934, 60.2712] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 79,
    "stn_id": "KIP2",
    "water_depth": 565,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0817",
    "depth": 50.0,
    "PO4": 1.49,
    "SiOH4": 18.27,
    "NO3_NO2": 15.62,
    "NO2": 0.02,
    "NH4": 0.59,
    "NO3": 15.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9934, 60.2712] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 79,
    "stn_id": "KIP2",
    "water_depth": 565,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0817",
    "depth": 75.0,
    "PO4": 1.7,
    "SiOH4": 21.72,
    "NO3_NO2": 18.17,
    "NO2": 0.01,
    "NH4": 0.85,
    "NO3": 18.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9934, 60.2712] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 79,
    "stn_id": "KIP2",
    "water_depth": 565,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0817",
    "depth": 100.0,
    "PO4": 2.0,
    "SiOH4": 26.38,
    "NO3_NO2": 21.33,
    "NO2": 0.02,
    "NH4": 0.75,
    "NO3": 21.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9934, 60.2712] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 79,
    "stn_id": "KIP2",
    "water_depth": 565,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0817",
    "depth": 250.0,
    "PO4": 2.38,
    "SiOH4": 35.03,
    "NO3_NO2": 26.94,
    "NO2": 0.01,
    "NH4": 0.9,
    "NO3": 26.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9934, 60.2712] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 79,
    "stn_id": "KIP2",
    "water_depth": 565,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "0817",
    "depth": 571.0,
    "PO4": 2.52,
    "SiOH4": 38.17,
    "NO3_NO2": 28.59,
    "NO2": 0.02,
    "NH4": 0.8,
    "NO3": 28.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8258, 59.9201] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 80,
    "stn_id": "MS4",
    "water_depth": 122,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1346",
    "depth": 0.0,
    "PO4": null,
    "SiOH4": 3.34,
    "NO3_NO2": 1.21,
    "NO2": 0.01,
    "NH4": 0.49,
    "NO3": 1.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8258, 59.9201] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 80,
    "stn_id": "MS4",
    "water_depth": 122,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1346",
    "depth": 10.0,
    "PO4": null,
    "SiOH4": 3.36,
    "NO3_NO2": 1.31,
    "NO2": 0.02,
    "NH4": 0.86,
    "NO3": 1.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8258, 59.9201] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 80,
    "stn_id": "MS4",
    "water_depth": 122,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1346",
    "depth": 20.0,
    "PO4": 0.28,
    "SiOH4": 3.54,
    "NO3_NO2": 1.52,
    "NO2": 0.01,
    "NH4": 0.6,
    "NO3": 1.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8258, 59.9201] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 80,
    "stn_id": "MS4",
    "water_depth": 122,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1346",
    "depth": 30.0,
    "PO4": 0.34,
    "SiOH4": 3.96,
    "NO3_NO2": 2.4,
    "NO2": 0.02,
    "NH4": 0.81,
    "NO3": 2.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8258, 59.9201] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 80,
    "stn_id": "MS4",
    "water_depth": 122,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1346",
    "depth": 40.0,
    "PO4": 0.34,
    "SiOH4": 5.5,
    "NO3_NO2": 3.84,
    "NO2": 0.01,
    "NH4": 0.92,
    "NO3": 3.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8258, 59.9201] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 80,
    "stn_id": "MS4",
    "water_depth": 122,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1346",
    "depth": 50.0,
    "PO4": 0.42,
    "SiOH4": 6.32,
    "NO3_NO2": 4.61,
    "NO2": 0.12,
    "NH4": 0.87,
    "NO3": 4.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8258, 59.9201] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 80,
    "stn_id": "MS4",
    "water_depth": 122,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1346",
    "depth": 100.0,
    "PO4": 1.04,
    "SiOH4": 18.35,
    "NO3_NO2": 16.54,
    "NO2": 0.0,
    "NH4": 0.88,
    "NO3": 16.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8258, 59.9201] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 80,
    "stn_id": "MS4",
    "water_depth": 122,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1346",
    "depth": 117.0,
    "PO4": 1.49,
    "SiOH4": 21.48,
    "NO3_NO2": 18.93,
    "NO2": 0.01,
    "NH4": 0.77,
    "NO3": 18.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8569, 59.9315] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 81,
    "stn_id": "MS3",
    "water_depth": 165,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1411",
    "depth": 0.0,
    "PO4": 0.01,
    "SiOH4": 11.61,
    "NO3_NO2": 0.83,
    "NO2": 0.06,
    "NH4": 1.08,
    "NO3": 0.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8569, 59.9315] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 81,
    "stn_id": "MS3",
    "water_depth": 165,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1411",
    "depth": 10.0,
    "PO4": 0.01,
    "SiOH4": 11.62,
    "NO3_NO2": 1.11,
    "NO2": 0.05,
    "NH4": 0.86,
    "NO3": 1.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8569, 59.9315] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 81,
    "stn_id": "MS3",
    "water_depth": 165,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1411",
    "depth": 20.0,
    "PO4": 0.11,
    "SiOH4": 11.88,
    "NO3_NO2": 1.78,
    "NO2": 0.01,
    "NH4": 0.75,
    "NO3": 1.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8569, 59.9315] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 81,
    "stn_id": "MS3",
    "water_depth": 165,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1411",
    "depth": 30.0,
    "PO4": 0.22,
    "SiOH4": 13.25,
    "NO3_NO2": 3.95,
    "NO2": 0.02,
    "NH4": 0.89,
    "NO3": 3.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8569, 59.9315] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 81,
    "stn_id": "MS3",
    "water_depth": 165,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1411",
    "depth": 40.0,
    "PO4": 0.44,
    "SiOH4": 15.67,
    "NO3_NO2": 6.68,
    "NO2": 0.01,
    "NH4": 1.04,
    "NO3": 6.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8569, 59.9315] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 81,
    "stn_id": "MS3",
    "water_depth": 165,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1411",
    "depth": 50.0,
    "PO4": 0.91,
    "SiOH4": 21.6,
    "NO3_NO2": 13.52,
    "NO2": 0.05,
    "NH4": 0.77,
    "NO3": 13.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8569, 59.9315] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 81,
    "stn_id": "MS3",
    "water_depth": 165,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1411",
    "depth": 75.0,
    "PO4": 1.44,
    "SiOH4": 30.73,
    "NO3_NO2": 21.03,
    "NO2": 0.01,
    "NH4": 0.7,
    "NO3": 21.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8569, 59.9315] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 81,
    "stn_id": "MS3",
    "water_depth": 165,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1411",
    "depth": 100.0,
    "PO4": 1.69,
    "SiOH4": 31.78,
    "NO3_NO2": 22.14,
    "NO2": 0.02,
    "NH4": 0.75,
    "NO3": 22.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8569, 59.9315] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 81,
    "stn_id": "MS3",
    "water_depth": 165,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1411",
    "depth": 163.0,
    "PO4": 2.05,
    "SiOH4": 37.16,
    "NO3_NO2": 26.26,
    "NO2": 0.06,
    "NH4": 0.79,
    "NO3": 26.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8944, 59.9437] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 82,
    "stn_id": "MS2",
    "water_depth": 199,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1437",
    "depth": 0.0,
    "PO4": 0.01,
    "SiOH4": 1.51,
    "NO3_NO2": 0.74,
    "NO2": 0.04,
    "NH4": 0.62,
    "NO3": 0.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8944, 59.9437] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 82,
    "stn_id": "MS2",
    "water_depth": 199,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1437",
    "depth": 10.0,
    "PO4": 0.05,
    "SiOH4": 3.53,
    "NO3_NO2": 1.75,
    "NO2": 0.11,
    "NH4": 0.77,
    "NO3": 1.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8944, 59.9437] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 82,
    "stn_id": "MS2",
    "water_depth": 199,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1437",
    "depth": 20.0,
    "PO4": 0.09,
    "SiOH4": 4.13,
    "NO3_NO2": 2.83,
    "NO2": 0.06,
    "NH4": 0.71,
    "NO3": 2.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8944, 59.9437] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 82,
    "stn_id": "MS2",
    "water_depth": 199,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1437",
    "depth": 30.0,
    "PO4": 0.19,
    "SiOH4": 4.47,
    "NO3_NO2": 3.91,
    "NO2": 0.01,
    "NH4": 0.71,
    "NO3": 3.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8944, 59.9437] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 82,
    "stn_id": "MS2",
    "water_depth": 199,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1437",
    "depth": 40.0,
    "PO4": 0.34,
    "SiOH4": 7.24,
    "NO3_NO2": 7.61,
    "NO2": 0.24,
    "NH4": 0.76,
    "NO3": 7.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8944, 59.9437] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 82,
    "stn_id": "MS2",
    "water_depth": 199,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1437",
    "depth": 50.0,
    "PO4": 0.61,
    "SiOH4": 10.6,
    "NO3_NO2": 12.13,
    "NO2": 0.05,
    "NH4": 0.7,
    "NO3": 12.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8944, 59.9437] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 82,
    "stn_id": "MS2",
    "water_depth": 199,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1437",
    "depth": 75.0,
    "PO4": 1.24,
    "SiOH4": 23.6,
    "NO3_NO2": 25.06,
    "NO2": 0.02,
    "NH4": 0.39,
    "NO3": 25.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8944, 59.9437] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 82,
    "stn_id": "MS2",
    "water_depth": 199,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1437",
    "depth": 100.0,
    "PO4": 1.62,
    "SiOH4": 27.37,
    "NO3_NO2": 29.04,
    "NO2": 0.01,
    "NH4": 0.54,
    "NO3": 29.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8944, 59.9437] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 82,
    "stn_id": "MS2",
    "water_depth": 199,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1437",
    "depth": 150.0,
    "PO4": 1.94,
    "SiOH4": 32.74,
    "NO3_NO2": 32.61,
    "NO2": 0.01,
    "NH4": 0.54,
    "NO3": 32.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8944, 59.9437] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 82,
    "stn_id": "MS2",
    "water_depth": 199,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1437",
    "depth": 191.0,
    "PO4": 2.2,
    "SiOH4": 34.34,
    "NO3_NO2": 35.23,
    "NO2": 0.03,
    "NH4": 0.69,
    "NO3": 35.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9146, 59.9586] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 83,
    "stn_id": "MS1",
    "water_depth": 186,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1501",
    "depth": 0.0,
    "PO4": 0.11,
    "SiOH4": 0.9,
    "NO3_NO2": 0.47,
    "NO2": 0.23,
    "NH4": 0.37,
    "NO3": 0.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9146, 59.9586] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 83,
    "stn_id": "MS1",
    "water_depth": 186,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1501",
    "depth": 10.0,
    "PO4": 0.1,
    "SiOH4": 2.17,
    "NO3_NO2": 0.88,
    "NO2": 0.2,
    "NH4": 0.58,
    "NO3": 0.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9146, 59.9586] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 83,
    "stn_id": "MS1",
    "water_depth": 186,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1501",
    "depth": 20.0,
    "PO4": 0.12,
    "SiOH4": 3.6,
    "NO3_NO2": 2.22,
    "NO2": 0.32,
    "NH4": 0.63,
    "NO3": 1.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9146, 59.9586] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 83,
    "stn_id": "MS1",
    "water_depth": 186,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1501",
    "depth": 30.0,
    "PO4": 0.18,
    "SiOH4": 3.86,
    "NO3_NO2": 3.5,
    "NO2": 0.26,
    "NH4": 0.73,
    "NO3": 3.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9146, 59.9586] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 83,
    "stn_id": "MS1",
    "water_depth": 186,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1501",
    "depth": 40.0,
    "PO4": 0.31,
    "SiOH4": 7.3,
    "NO3_NO2": 8.22,
    "NO2": 0.17,
    "NH4": 0.72,
    "NO3": 8.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9146, 59.9586] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 83,
    "stn_id": "MS1",
    "water_depth": 186,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1501",
    "depth": 50.0,
    "PO4": 0.72,
    "SiOH4": 15.02,
    "NO3_NO2": 16.57,
    "NO2": 0.04,
    "NH4": 0.46,
    "NO3": 16.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9146, 59.9586] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 83,
    "stn_id": "MS1",
    "water_depth": 186,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1501",
    "depth": 75.0,
    "PO4": 1.23,
    "SiOH4": 23.24,
    "NO3_NO2": 24.59,
    "NO2": 0.06,
    "NH4": 0.66,
    "NO3": 24.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9146, 59.9586] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 83,
    "stn_id": "MS1",
    "water_depth": 186,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1501",
    "depth": 100.0,
    "PO4": 1.6,
    "SiOH4": 28.69,
    "NO3_NO2": 29.84,
    "NO2": 0.1,
    "NH4": 0.71,
    "NO3": 29.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9146, 59.9586] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 83,
    "stn_id": "MS1",
    "water_depth": 186,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "1501",
    "depth": 179.0,
    "PO4": 2.05,
    "SiOH4": null,
    "NO3_NO2": 34.76,
    "NO2": 0.15,
    "NH4": 0.91,
    "NO3": 34.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0795, 60.1017] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 84,
    "stn_id": "AHC1",
    "water_depth": 261,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "2041",
    "depth": 0.0,
    "PO4": 0.01,
    "SiOH4": 2.47,
    "NO3_NO2": 0.63,
    "NO2": 0.03,
    "NH4": 1.04,
    "NO3": 0.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0795, 60.1017] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 84,
    "stn_id": "AHC1",
    "water_depth": 261,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "2041",
    "depth": 25.0,
    "PO4": 0.09,
    "SiOH4": 2.5,
    "NO3_NO2": 0.83,
    "NO2": 0.02,
    "NH4": 1.29,
    "NO3": 0.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0795, 60.1017] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 84,
    "stn_id": "AHC1",
    "water_depth": 261,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "2041",
    "depth": 50.0,
    "PO4": 0.3,
    "SiOH4": 5.37,
    "NO3_NO2": 3.97,
    "NO2": 0.01,
    "NH4": 1.38,
    "NO3": 3.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0795, 60.1017] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 84,
    "stn_id": "AHC1",
    "water_depth": 261,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "2041",
    "depth": 75.0,
    "PO4": 0.85,
    "SiOH4": 14.15,
    "NO3_NO2": 13.57,
    "NO2": 0.02,
    "NH4": 0.84,
    "NO3": 13.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0795, 60.1017] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 84,
    "stn_id": "AHC1",
    "water_depth": 261,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "2041",
    "depth": 100.0,
    "PO4": 1.47,
    "SiOH4": 22.7,
    "NO3_NO2": 20.49,
    "NO2": 0.0,
    "NH4": 0.93,
    "NO3": 20.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0795, 60.1017] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 84,
    "stn_id": "AHC1",
    "water_depth": 261,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "2041",
    "depth": 150.0,
    "PO4": 1.87,
    "SiOH4": 28.64,
    "NO3_NO2": 24.21,
    "NO2": 0.01,
    "NH4": 0.92,
    "NO3": 24.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0795, 60.1017] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 84,
    "stn_id": "AHC1",
    "water_depth": 261,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "2041",
    "depth": 200.0,
    "PO4": 2.16,
    "SiOH4": 33.41,
    "NO3_NO2": 28.29,
    "NO2": 0.01,
    "NH4": 0.95,
    "NO3": 28.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0795, 60.1017] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 84,
    "stn_id": "AHC1",
    "water_depth": 261,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "2041",
    "depth": 248.0,
    "PO4": 2.69,
    "SiOH4": 41.24,
    "NO3_NO2": 33.22,
    "NO2": 0.02,
    "NH4": 1.05,
    "NO3": 33.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0745, 60.0015] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 85,
    "stn_id": "AHC2",
    "water_depth": 188,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "2149",
    "depth": 0.0,
    "PO4": 0.06,
    "SiOH4": 1.58,
    "NO3_NO2": 0.07,
    "NO2": 0.07,
    "NH4": 0.77,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0745, 60.0015] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 85,
    "stn_id": "AHC2",
    "water_depth": 188,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "2149",
    "depth": 25.0,
    "PO4": 0.17,
    "SiOH4": 2.0,
    "NO3_NO2": 0.54,
    "NO2": 0.04,
    "NH4": 1.07,
    "NO3": 0.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0745, 60.0015] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 85,
    "stn_id": "AHC2",
    "water_depth": 188,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "2149",
    "depth": 50.0,
    "PO4": 0.75,
    "SiOH4": 13.55,
    "NO3_NO2": 14.12,
    "NO2": 0.03,
    "NH4": 0.95,
    "NO3": 14.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0745, 60.0015] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 85,
    "stn_id": "AHC2",
    "water_depth": 188,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "2149",
    "depth": 75.0,
    "PO4": 1.25,
    "SiOH4": 18.54,
    "NO3_NO2": 18.31,
    "NO2": 0.02,
    "NH4": 0.73,
    "NO3": 18.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0745, 60.0015] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 85,
    "stn_id": "AHC2",
    "water_depth": 188,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "2149",
    "depth": 100.0,
    "PO4": 1.57,
    "SiOH4": 22.12,
    "NO3_NO2": 20.46,
    "NO2": 0.0,
    "NH4": 0.87,
    "NO3": 20.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0745, 60.0015] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 85,
    "stn_id": "AHC2",
    "water_depth": 188,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "2149",
    "depth": 186.0,
    "PO4": 2.36,
    "SiOH4": 40.22,
    "NO3_NO2": 33.04,
    "NO2": 0.01,
    "NH4": 0.91,
    "NO3": 33.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0743, 59.9014] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 86,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "2253",
    "depth": 0.0,
    "PO4": 0.15,
    "SiOH4": 2.79,
    "NO3_NO2": 0.06,
    "NO2": 0.05,
    "NH4": 1.1,
    "NO3": 0.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0743, 59.9014] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 86,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "2253",
    "depth": 25.0,
    "PO4": 0.45,
    "SiOH4": 4.78,
    "NO3_NO2": 3.99,
    "NO2": 0.01,
    "NH4": 1.14,
    "NO3": 3.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0743, 59.9014] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 86,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "2253",
    "depth": 50.0,
    "PO4": 1.13,
    "SiOH4": 13.49,
    "NO3_NO2": 13.8,
    "NO2": 0.01,
    "NH4": 1.03,
    "NO3": 13.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0743, 59.9014] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 86,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "2253",
    "depth": 75.0,
    "PO4": 1.64,
    "SiOH4": 17.54,
    "NO3_NO2": 18.16,
    "NO2": 0.01,
    "NH4": 1.07,
    "NO3": 18.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0743, 59.9014] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 86,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "2253",
    "depth": 100.0,
    "PO4": 1.88,
    "SiOH4": 20.95,
    "NO3_NO2": 20.63,
    "NO2": 0.02,
    "NH4": 1.06,
    "NO3": 20.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0743, 59.9014] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 86,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "2253",
    "depth": 196.0,
    "PO4": 2.96,
    "SiOH4": 45.99,
    "NO3_NO2": 36.42,
    "NO2": 0.02,
    "NH4": 1.11,
    "NO3": 36.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.8005] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 87,
    "stn_id": "AHC4",
    "water_depth": 203,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "2358",
    "depth": 0.0,
    "PO4": 0.33,
    "SiOH4": 0.64,
    "NO3_NO2": 0.45,
    "NO2": 0.0,
    "NH4": 1.1,
    "NO3": 0.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.8005] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 87,
    "stn_id": "AHC4",
    "water_depth": 203,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "2358",
    "depth": 25.0,
    "PO4": 0.21,
    "SiOH4": 0.98,
    "NO3_NO2": 0.5,
    "NO2": 0.01,
    "NH4": 1.09,
    "NO3": 0.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.8005] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 87,
    "stn_id": "AHC4",
    "water_depth": 203,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "2358",
    "depth": 50.0,
    "PO4": 1.09,
    "SiOH4": 15.05,
    "NO3_NO2": 15.72,
    "NO2": 0.1,
    "NH4": 1.19,
    "NO3": 15.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.8005] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 87,
    "stn_id": "AHC4",
    "water_depth": 203,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "2358",
    "depth": 75.0,
    "PO4": 1.61,
    "SiOH4": 20.76,
    "NO3_NO2": 20.44,
    "NO2": 0.03,
    "NH4": 1.08,
    "NO3": 20.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.8005] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 87,
    "stn_id": "AHC4",
    "water_depth": 203,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "2358",
    "depth": 100.0,
    "PO4": 1.75,
    "SiOH4": 22.28,
    "NO3_NO2": 21.44,
    "NO2": 0.02,
    "NH4": 0.96,
    "NO3": 21.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.8005] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 87,
    "stn_id": "AHC4",
    "water_depth": 203,
    "month_gmt": "9",
    "day_gmt": "01",
    "time_gmt": "2358",
    "depth": 200.0,
    "PO4": 3.06,
    "SiOH4": 52.37,
    "NO3_NO2": 39.9,
    "NO2": 0.02,
    "NH4": 1.01,
    "NO3": 39.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0737, 59.7004] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 88,
    "stn_id": "AHC5",
    "water_depth": 209,
    "month_gmt": "9",
    "day_gmt": "02",
    "time_gmt": "0059",
    "depth": 0.0,
    "PO4": 0.42,
    "SiOH4": 0.93,
    "NO3_NO2": 0.47,
    "NO2": 0.01,
    "NH4": 1.16,
    "NO3": 0.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0737, 59.7004] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 88,
    "stn_id": "AHC5",
    "water_depth": 209,
    "month_gmt": "9",
    "day_gmt": "02",
    "time_gmt": "0059",
    "depth": 25.0,
    "PO4": 0.51,
    "SiOH4": 4.7,
    "NO3_NO2": 2.99,
    "NO2": 0.06,
    "NH4": 1.38,
    "NO3": 2.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0737, 59.7004] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 88,
    "stn_id": "AHC5",
    "water_depth": 209,
    "month_gmt": "9",
    "day_gmt": "02",
    "time_gmt": "0059",
    "depth": 50.0,
    "PO4": 1.1,
    "SiOH4": 14.07,
    "NO3_NO2": 15.31,
    "NO2": 0.13,
    "NH4": 1.06,
    "NO3": 15.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0737, 59.7004] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 88,
    "stn_id": "AHC5",
    "water_depth": 209,
    "month_gmt": "9",
    "day_gmt": "02",
    "time_gmt": "0059",
    "depth": 75.0,
    "PO4": 1.6,
    "SiOH4": 19.65,
    "NO3_NO2": 20.87,
    "NO2": 0.05,
    "NH4": 0.81,
    "NO3": 20.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0737, 59.7004] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 88,
    "stn_id": "AHC5",
    "water_depth": 209,
    "month_gmt": "9",
    "day_gmt": "02",
    "time_gmt": "0059",
    "depth": 100.0,
    "PO4": 1.82,
    "SiOH4": 21.77,
    "NO3_NO2": 22.02,
    "NO2": 0.15,
    "NH4": 1.02,
    "NO3": 21.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0737, 59.7004] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 88,
    "stn_id": "AHC5",
    "water_depth": 209,
    "month_gmt": "9",
    "day_gmt": "02",
    "time_gmt": "0059",
    "depth": 208.0,
    "PO4": 2.9,
    "SiOH4": 46.21,
    "NO3_NO2": 38.44,
    "NO2": 0.2,
    "NH4": 1.18,
    "NO3": 38.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0713, 59.5998] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 89,
    "stn_id": "AHC6",
    "water_depth": 208,
    "month_gmt": "9",
    "day_gmt": "02",
    "time_gmt": "0200",
    "depth": 0.0,
    "PO4": 0.37,
    "SiOH4": 1.37,
    "NO3_NO2": 0.52,
    "NO2": 0.29,
    "NH4": 1.03,
    "NO3": 0.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0713, 59.5998] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 89,
    "stn_id": "AHC6",
    "water_depth": 208,
    "month_gmt": "9",
    "day_gmt": "02",
    "time_gmt": "0200",
    "depth": 25.0,
    "PO4": 0.72,
    "SiOH4": 7.43,
    "NO3_NO2": 7.87,
    "NO2": 0.34,
    "NH4": 1.24,
    "NO3": 7.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0713, 59.5998] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 89,
    "stn_id": "AHC6",
    "water_depth": 208,
    "month_gmt": "9",
    "day_gmt": "02",
    "time_gmt": "0200",
    "depth": 50.0,
    "PO4": 1.42,
    "SiOH4": 16.25,
    "NO3_NO2": 18.93,
    "NO2": 0.18,
    "NH4": 1.09,
    "NO3": 18.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0713, 59.5998] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 89,
    "stn_id": "AHC6",
    "water_depth": 208,
    "month_gmt": "9",
    "day_gmt": "02",
    "time_gmt": "0200",
    "depth": 75.0,
    "PO4": 1.72,
    "SiOH4": 19.15,
    "NO3_NO2": 20.71,
    "NO2": 0.34,
    "NH4": 0.83,
    "NO3": 20.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0713, 59.5998] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 89,
    "stn_id": "AHC6",
    "water_depth": 208,
    "month_gmt": "9",
    "day_gmt": "02",
    "time_gmt": "0200",
    "depth": 100.0,
    "PO4": 1.89,
    "SiOH4": 21.42,
    "NO3_NO2": 23.44,
    "NO2": 0.45,
    "NH4": 0.99,
    "NO3": 22.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0713, 59.5998] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 89,
    "stn_id": "AHC6",
    "water_depth": 208,
    "month_gmt": "9",
    "day_gmt": "02",
    "time_gmt": "0200",
    "depth": 205.0,
    "PO4": 2.78,
    "SiOH4": 42.24,
    "NO3_NO2": 37.86,
    "NO2": 0.27,
    "NH4": 1.52,
    "NO3": 37.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0713, 59.4994] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 90,
    "stn_id": "AHC7",
    "water_depth": 221,
    "month_gmt": "9",
    "day_gmt": "02",
    "time_gmt": "0252",
    "depth": 0.0,
    "PO4": 0.16,
    "SiOH4": 1.1,
    "NO3_NO2": 0.16,
    "NO2": 0.15,
    "NH4": 1.54,
    "NO3": 0.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0713, 59.4994] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 90,
    "stn_id": "AHC7",
    "water_depth": 221,
    "month_gmt": "9",
    "day_gmt": "02",
    "time_gmt": "0252",
    "depth": 25.0,
    "PO4": 0.28,
    "SiOH4": 4.5,
    "NO3_NO2": 2.31,
    "NO2": 0.26,
    "NH4": 1.42,
    "NO3": 2.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0713, 59.4994] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 90,
    "stn_id": "AHC7",
    "water_depth": 221,
    "month_gmt": "9",
    "day_gmt": "02",
    "time_gmt": "0252",
    "depth": 50.0,
    "PO4": 1.13,
    "SiOH4": 19.02,
    "NO3_NO2": 20.29,
    "NO2": 0.12,
    "NH4": 1.45,
    "NO3": 20.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0713, 59.4994] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 90,
    "stn_id": "AHC7",
    "water_depth": 221,
    "month_gmt": "9",
    "day_gmt": "02",
    "time_gmt": "0252",
    "depth": 75.0,
    "PO4": 1.63,
    "SiOH4": 20.6,
    "NO3_NO2": 21.24,
    "NO2": 0.09,
    "NH4": 1.32,
    "NO3": 21.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0713, 59.4994] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 90,
    "stn_id": "AHC7",
    "water_depth": 221,
    "month_gmt": "9",
    "day_gmt": "02",
    "time_gmt": "0252",
    "depth": 100.0,
    "PO4": 1.78,
    "SiOH4": 21.94,
    "NO3_NO2": 22.13,
    "NO2": 0.06,
    "NH4": 1.67,
    "NO3": 22.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0713, 59.4994] },
  "properties": {
    "cruise_id": "HX223",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 90,
    "stn_id": "AHC7",
    "water_depth": 221,
    "month_gmt": "9",
    "day_gmt": "02",
    "time_gmt": "0252",
    "depth": 218.0,
    "PO4": 2.88,
    "SiOH4": 50.42,
    "NO3_NO2": 40.43,
    "NO2": 0.05,
    "NH4": 1.49,
    "NO3": 40.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.36, 60.0236] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 292,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1800",
    "depth": 0.0,
    "PO4": 0.13,
    "SiOH4": 1.12,
    "NO3_NO2": 0.7,
    "NO2": 0.21,
    "NH4": 1.27,
    "NO3": 0.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.36, 60.0236] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 292,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1800",
    "depth": 10.0,
    "PO4": 0.23,
    "SiOH4": 2.03,
    "NO3_NO2": 0.76,
    "NO2": 0.61,
    "NH4": 1.16,
    "NO3": 0.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.36, 60.0236] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 292,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1800",
    "depth": 20.0,
    "PO4": 0.4,
    "SiOH4": 3.05,
    "NO3_NO2": 1.75,
    "NO2": 0.85,
    "NH4": 0.26,
    "NO3": 0.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.36, 60.0236] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 292,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1800",
    "depth": 30.0,
    "PO4": 0.51,
    "SiOH4": 4.58,
    "NO3_NO2": 2.11,
    "NO2": 0.37,
    "NH4": 0.38,
    "NO3": 1.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.36, 60.0236] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 292,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1800",
    "depth": 40.0,
    "PO4": 0.62,
    "SiOH4": 7.57,
    "NO3_NO2": 2.32,
    "NO2": 0.41,
    "NH4": 0.98,
    "NO3": 1.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.36, 60.0236] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 292,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1800",
    "depth": 50.0,
    "PO4": 0.69,
    "SiOH4": 8.69,
    "NO3_NO2": 3.75,
    "NO2": 0.06,
    "NH4": 0.12,
    "NO3": 3.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.36, 60.0236] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 292,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1800",
    "depth": 75.0,
    "PO4": 0.92,
    "SiOH4": 14.18,
    "NO3_NO2": 7.1,
    "NO2": 0.0,
    "NH4": 0.5,
    "NO3": 7.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.36, 60.0236] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 292,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1800",
    "depth": 100.0,
    "PO4": 1.32,
    "SiOH4": 21.54,
    "NO3_NO2": 12.46,
    "NO2": 0.01,
    "NH4": 0.22,
    "NO3": 12.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.36, 60.0236] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 292,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1800",
    "depth": 150.0,
    "PO4": 1.93,
    "SiOH4": 35.86,
    "NO3_NO2": 19.4,
    "NO2": 0.1,
    "NH4": 0.42,
    "NO3": 19.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.36, 60.0236] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 292,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1800",
    "depth": 200.0,
    "PO4": 2.34,
    "SiOH4": 43.43,
    "NO3_NO2": 22.7,
    "NO2": 0.02,
    "NH4": 0.54,
    "NO3": 22.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.36, 60.0236] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 292,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1800",
    "depth": 250.0,
    "PO4": 2.43,
    "SiOH4": 46.21,
    "NO3_NO2": 23.54,
    "NO2": 0.01,
    "NH4": 0.43,
    "NO3": 23.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.36, 60.0236] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 292,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1800",
    "depth": 292.0,
    "PO4": 2.56,
    "SiOH4": 48.68,
    "NO3_NO2": 24.93,
    "NO2": 0.02,
    "NH4": 0.37,
    "NO3": 24.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7884, 58.0992] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2499,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1911",
    "depth": 0.0,
    "PO4": 0.53,
    "SiOH4": 17.04,
    "NO3_NO2": 4.82,
    "NO2": 0.13,
    "NH4": 0.71,
    "NO3": 4.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7884, 58.0992] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2499,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1911",
    "depth": 10.0,
    "PO4": 0.76,
    "SiOH4": 17.64,
    "NO3_NO2": 4.29,
    "NO2": 0.19,
    "NH4": 0.69,
    "NO3": 4.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7884, 58.0992] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2499,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1911",
    "depth": 20.0,
    "PO4": 0.85,
    "SiOH4": 19.18,
    "NO3_NO2": 4.94,
    "NO2": 0.21,
    "NH4": 1.03,
    "NO3": 4.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7884, 58.0992] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2499,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1911",
    "depth": 30.0,
    "PO4": 1.27,
    "SiOH4": 26.85,
    "NO3_NO2": 14.18,
    "NO2": 0.32,
    "NH4": 0.75,
    "NO3": 13.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7884, 58.0992] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2499,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1911",
    "depth": 40.0,
    "PO4": 1.58,
    "SiOH4": 32.34,
    "NO3_NO2": 16.74,
    "NO2": 0.11,
    "NH4": 0.38,
    "NO3": 16.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7884, 58.0992] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2499,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1911",
    "depth": 100.0,
    "PO4": 1.57,
    "SiOH4": 33.35,
    "NO3_NO2": 17.39,
    "NO2": 0.1,
    "NH4": 0.63,
    "NO3": 17.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7884, 58.0992] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2499,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1911",
    "depth": 500.0,
    "PO4": 3.3,
    "SiOH4": null,
    "NO3_NO2": 44.99,
    "NO2": 0.09,
    "NH4": 0.39,
    "NO3": 44.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7884, 58.0992] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2499,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1911",
    "depth": 1500.0,
    "PO4": 3.95,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.11,
    "NH4": 0.42,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9363, 58.2427] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "GAK12",
    "water_depth": 2160,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2205",
    "depth": 0.0,
    "PO4": 0.39,
    "SiOH4": 11.95,
    "NO3_NO2": 6.18,
    "NO2": 0.22,
    "NH4": 0.62,
    "NO3": 5.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9363, 58.2427] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "GAK12",
    "water_depth": 2160,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2205",
    "depth": 10.0,
    "PO4": 0.66,
    "SiOH4": 12.05,
    "NO3_NO2": 5.79,
    "NO2": 0.28,
    "NH4": 0.44,
    "NO3": 5.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9363, 58.2427] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "GAK12",
    "water_depth": 2160,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2205",
    "depth": 20.0,
    "PO4": 0.77,
    "SiOH4": 13.19,
    "NO3_NO2": 6.18,
    "NO2": 0.21,
    "NH4": 0.62,
    "NO3": 5.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9363, 58.2427] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "GAK12",
    "water_depth": 2160,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2205",
    "depth": 30.0,
    "PO4": 0.86,
    "SiOH4": 17.66,
    "NO3_NO2": 10.84,
    "NO2": 0.2,
    "NH4": 0.62,
    "NO3": 10.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9363, 58.2427] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "GAK12",
    "water_depth": 2160,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2205",
    "depth": 40.0,
    "PO4": 1.36,
    "SiOH4": 25.97,
    "NO3_NO2": 18.4,
    "NO2": 0.05,
    "NH4": 0.31,
    "NO3": 18.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9363, 58.2427] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "GAK12",
    "water_depth": 2160,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2205",
    "depth": 50.0,
    "PO4": 1.56,
    "SiOH4": 28.25,
    "NO3_NO2": 20.5,
    "NO2": 0.0,
    "NH4": 0.35,
    "NO3": 20.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9363, 58.2427] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "GAK12",
    "water_depth": 2160,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2205",
    "depth": 500.0,
    "PO4": 3.01,
    "SiOH4": 87.21,
    "NO3_NO2": null,
    "NO2": 0.02,
    "NH4": 0.31,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9363, 58.2427] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "GAK12",
    "water_depth": 2160,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2205",
    "depth": 1500.0,
    "PO4": 3.74,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.02,
    "NH4": 0.22,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0725, 58.3876] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "GAK11",
    "water_depth": 1435,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0020",
    "depth": 0.0,
    "PO4": 0.72,
    "SiOH4": 13.26,
    "NO3_NO2": 9.3,
    "NO2": 0.31,
    "NH4": 0.31,
    "NO3": 9.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0725, 58.3876] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "GAK11",
    "water_depth": 1435,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0020",
    "depth": 10.0,
    "PO4": 0.9,
    "SiOH4": 13.78,
    "NO3_NO2": 9.4,
    "NO2": 0.28,
    "NH4": 0.45,
    "NO3": 9.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0725, 58.3876] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "GAK11",
    "water_depth": 1435,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0020",
    "depth": 20.0,
    "PO4": 1.08,
    "SiOH4": 15.43,
    "NO3_NO2": 11.56,
    "NO2": 0.2,
    "NH4": 0.63,
    "NO3": 11.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0725, 58.3876] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "GAK11",
    "water_depth": 1435,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0020",
    "depth": 30.0,
    "PO4": 1.16,
    "SiOH4": 15.12,
    "NO3_NO2": 11.16,
    "NO2": 0.15,
    "NH4": 0.72,
    "NO3": 11.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0725, 58.3876] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "GAK11",
    "water_depth": 1435,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0020",
    "depth": 40.0,
    "PO4": 1.17,
    "SiOH4": 15.74,
    "NO3_NO2": null,
    "NO2": 0.29,
    "NH4": 0.86,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0725, 58.3876] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "GAK11",
    "water_depth": 1435,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0020",
    "depth": 50.0,
    "PO4": 1.39,
    "SiOH4": 24.78,
    "NO3_NO2": 18.37,
    "NO2": 0.21,
    "NH4": 0.47,
    "NO3": 18.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0725, 58.3876] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "GAK11",
    "water_depth": 1435,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0020",
    "depth": 100.0,
    "PO4": 1.82,
    "SiOH4": 36.0,
    "NO3_NO2": 26.37,
    "NO2": 0.14,
    "NH4": 0.43,
    "NO3": 26.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0725, 58.3876] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "GAK11",
    "water_depth": 1435,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0020",
    "depth": 500.0,
    "PO4": 3.15,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.18,
    "NH4": 0.52,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0725, 58.3876] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "GAK11",
    "water_depth": 1435,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0020",
    "depth": 1000.0,
    "PO4": 3.73,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.18,
    "NH4": 0.35,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0725, 58.3876] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "GAK11",
    "water_depth": 1435,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0020",
    "depth": 1425.0,
    "PO4": 3.84,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.17,
    "NH4": 0.35,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2122, 58.541] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "GAK10",
    "water_depth": 1463,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0301",
    "depth": 0.0,
    "PO4": 0.84,
    "SiOH4": 14.55,
    "NO3_NO2": 8.59,
    "NO2": 0.21,
    "NH4": 0.43,
    "NO3": 8.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2122, 58.541] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "GAK10",
    "water_depth": 1463,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0301",
    "depth": 10.0,
    "PO4": 0.83,
    "SiOH4": 14.44,
    "NO3_NO2": 8.6,
    "NO2": 0.25,
    "NH4": 0.38,
    "NO3": 8.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2122, 58.541] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "GAK10",
    "water_depth": 1463,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0301",
    "depth": 20.0,
    "PO4": 0.85,
    "SiOH4": 15.05,
    "NO3_NO2": 9.09,
    "NO2": 0.34,
    "NH4": 0.55,
    "NO3": 8.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2122, 58.541] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "GAK10",
    "water_depth": 1463,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0301",
    "depth": 30.0,
    "PO4": 0.89,
    "SiOH4": 14.52,
    "NO3_NO2": 9.58,
    "NO2": 0.29,
    "NH4": 0.67,
    "NO3": 9.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2122, 58.541] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "GAK10",
    "water_depth": 1463,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0301",
    "depth": 40.0,
    "PO4": 1.02,
    "SiOH4": 17.53,
    "NO3_NO2": 13.02,
    "NO2": 0.28,
    "NH4": 0.31,
    "NO3": 12.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2122, 58.541] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "GAK10",
    "water_depth": 1463,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0301",
    "depth": 50.0,
    "PO4": 1.13,
    "SiOH4": 20.02,
    "NO3_NO2": 15.28,
    "NO2": 0.25,
    "NH4": 0.08,
    "NO3": 15.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2122, 58.541] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "GAK10",
    "water_depth": 1463,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0301",
    "depth": 100.0,
    "PO4": 1.57,
    "SiOH4": 39.14,
    "NO3_NO2": 27.51,
    "NO2": 0.17,
    "NH4": 0.02,
    "NO3": 27.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2122, 58.541] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "GAK10",
    "water_depth": 1463,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0301",
    "depth": 500.0,
    "PO4": 2.95,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.11,
    "NH4": 0.01,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2122, 58.541] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "GAK10",
    "water_depth": 1463,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0301",
    "depth": 1000.0,
    "PO4": 3.57,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.06,
    "NH4": 0.0,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2122, 58.541] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "GAK10",
    "water_depth": 1463,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0301",
    "depth": 1460.0,
    "PO4": 3.61,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.02,
    "NH4": 0.04,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2804, 58.6129] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "GAK9I",
    "water_depth": 625,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "1934",
    "depth": 0.0,
    "PO4": 0.49,
    "SiOH4": 12.38,
    "NO3_NO2": 8.32,
    "NO2": 0.26,
    "NH4": 0.07,
    "NO3": 8.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2804, 58.6129] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "GAK9I",
    "water_depth": 625,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "1934",
    "depth": 10.0,
    "PO4": 0.59,
    "SiOH4": 12.06,
    "NO3_NO2": 8.32,
    "NO2": 0.33,
    "NH4": 0.02,
    "NO3": 8.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2804, 58.6129] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "GAK9I",
    "water_depth": 625,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "1934",
    "depth": 20.0,
    "PO4": 0.69,
    "SiOH4": 11.63,
    "NO3_NO2": 8.57,
    "NO2": 0.34,
    "NH4": 0.18,
    "NO3": 8.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2804, 58.6129] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "GAK9I",
    "water_depth": 625,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "1934",
    "depth": 30.0,
    "PO4": 0.72,
    "SiOH4": 11.21,
    "NO3_NO2": 8.67,
    "NO2": 0.33,
    "NH4": 0.13,
    "NO3": 8.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2804, 58.6129] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "GAK9I",
    "water_depth": 625,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "1934",
    "depth": 40.0,
    "PO4": 0.69,
    "SiOH4": 10.78,
    "NO3_NO2": 9.36,
    "NO2": 0.4,
    "NH4": 0.17,
    "NO3": 8.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2804, 58.6129] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "GAK9I",
    "water_depth": 625,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "1934",
    "depth": 50.0,
    "PO4": 0.76,
    "SiOH4": 12.13,
    "NO3_NO2": 11.28,
    "NO2": 0.42,
    "NH4": 0.11,
    "NO3": 10.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2804, 58.6129] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "GAK9I",
    "water_depth": 625,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "1934",
    "depth": 100.0,
    "PO4": 1.26,
    "SiOH4": 31.77,
    "NO3_NO2": 26.89,
    "NO2": 0.26,
    "NH4": 0.01,
    "NO3": 26.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2804, 58.6129] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "GAK9I",
    "water_depth": 625,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "1934",
    "depth": 147.0,
    "PO4": 1.99,
    "SiOH4": 46.11,
    "NO3_NO2": 35.73,
    "NO2": 0.28,
    "NH4": 0.45,
    "NO3": 35.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2804, 58.6129] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "GAK9I",
    "water_depth": 625,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "1934",
    "depth": 200.0,
    "PO4": 2.57,
    "SiOH4": 58.48,
    "NO3_NO2": 40.59,
    "NO2": 0.25,
    "NH4": 0.39,
    "NO3": 40.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2804, 58.6129] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "GAK9I",
    "water_depth": 625,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "1934",
    "depth": 300.0,
    "PO4": 2.93,
    "SiOH4": 78.23,
    "NO3_NO2": null,
    "NO2": 0.24,
    "NH4": 0.43,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2804, 58.6129] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "GAK9I",
    "water_depth": 625,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "1934",
    "depth": 400.0,
    "PO4": 3.31,
    "SiOH4": 85.81,
    "NO3_NO2": null,
    "NO2": 0.19,
    "NH4": 0.46,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2804, 58.6129] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "GAK9I",
    "water_depth": 625,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "1934",
    "depth": 664.0,
    "PO4": 3.5,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.1,
    "NH4": 0.45,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3558, 58.6822] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2038",
    "depth": 0.0,
    "PO4": 0.78,
    "SiOH4": 10.09,
    "NO3_NO2": 10.01,
    "NO2": 0.21,
    "NH4": 0.84,
    "NO3": 9.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3558, 58.6822] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2038",
    "depth": 10.0,
    "PO4": 0.91,
    "SiOH4": 10.0,
    "NO3_NO2": 10.41,
    "NO2": 0.18,
    "NH4": 0.89,
    "NO3": 10.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3558, 58.6822] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2038",
    "depth": 20.0,
    "PO4": 0.98,
    "SiOH4": 10.52,
    "NO3_NO2": 11.68,
    "NO2": 0.32,
    "NH4": 0.49,
    "NO3": 11.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3558, 58.6822] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2038",
    "depth": 30.0,
    "PO4": 1.1,
    "SiOH4": 11.15,
    "NO3_NO2": 12.22,
    "NO2": 0.29,
    "NH4": 0.62,
    "NO3": 11.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3558, 58.6822] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2038",
    "depth": 40.0,
    "PO4": 1.06,
    "SiOH4": 10.33,
    "NO3_NO2": 11.29,
    "NO2": 0.4,
    "NH4": 1.07,
    "NO3": 10.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3558, 58.6822] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2038",
    "depth": 50.0,
    "PO4": 1.04,
    "SiOH4": 9.5,
    "NO3_NO2": 11.78,
    "NO2": 0.4,
    "NH4": 0.46,
    "NO3": 11.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3558, 58.6822] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2038",
    "depth": 100.0,
    "PO4": 1.56,
    "SiOH4": 24.17,
    "NO3_NO2": 23.61,
    "NO2": 0.19,
    "NH4": 0.01,
    "NO3": 23.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3558, 58.6822] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2038",
    "depth": 150.0,
    "PO4": 2.27,
    "SiOH4": 40.71,
    "NO3_NO2": 35.49,
    "NO2": 0.11,
    "NH4": 0.04,
    "NO3": 35.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3558, 58.6822] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2038",
    "depth": 200.0,
    "PO4": 2.71,
    "SiOH4": 49.24,
    "NO3_NO2": 38.88,
    "NO2": 0.08,
    "NH4": 0.1,
    "NO3": 38.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3558, 58.6822] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2038",
    "depth": 260.0,
    "PO4": 3.32,
    "SiOH4": 70.98,
    "NO3_NO2": 44.72,
    "NO2": 0.07,
    "NH4": 0.15,
    "NO3": 44.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3833, 58.6826] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "GAK9",
    "water_depth": 274,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2125",
    "depth": 2.0,
    "PO4": 0.7,
    "SiOH4": 10.99,
    "NO3_NO2": 10.06,
    "NO2": 0.55,
    "NH4": 0.22,
    "NO3": 9.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3833, 58.6826] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "GAK9",
    "water_depth": 274,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2125",
    "depth": 5.0,
    "PO4": 0.8,
    "SiOH4": 10.89,
    "NO3_NO2": 10.11,
    "NO2": 0.52,
    "NH4": 0.26,
    "NO3": 9.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3833, 58.6826] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "GAK9",
    "water_depth": 274,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2125",
    "depth": 8.0,
    "PO4": 0.82,
    "SiOH4": 10.37,
    "NO3_NO2": 10.11,
    "NO2": 0.47,
    "NH4": 0.25,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3833, 58.6826] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "GAK9",
    "water_depth": 274,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2125",
    "depth": 12.0,
    "PO4": 0.83,
    "SiOH4": 10.28,
    "NO3_NO2": 10.31,
    "NO2": 0.46,
    "NH4": 0.2,
    "NO3": 9.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3833, 58.6826] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "GAK9",
    "water_depth": 274,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2125",
    "depth": 16.0,
    "PO4": 0.92,
    "SiOH4": 10.28,
    "NO3_NO2": 10.75,
    "NO2": 0.33,
    "NH4": 0.2,
    "NO3": 10.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3833, 58.6826] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "GAK9",
    "water_depth": 274,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2125",
    "depth": 24.0,
    "PO4": 0.9,
    "SiOH4": 10.18,
    "NO3_NO2": 10.8,
    "NO2": 0.25,
    "NH4": 0.19,
    "NO3": 10.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4226, 58.7433] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2155",
    "depth": 0.0,
    "PO4": 0.43,
    "SiOH4": 12.14,
    "NO3_NO2": 9.08,
    "NO2": 0.26,
    "NH4": 0.33,
    "NO3": 8.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4226, 58.7433] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2155",
    "depth": 10.0,
    "PO4": 0.74,
    "SiOH4": 11.94,
    "NO3_NO2": 8.87,
    "NO2": 0.24,
    "NH4": 0.36,
    "NO3": 8.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4226, 58.7433] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2155",
    "depth": 20.0,
    "PO4": 0.82,
    "SiOH4": 12.02,
    "NO3_NO2": 9.23,
    "NO2": 0.22,
    "NH4": 0.49,
    "NO3": 9.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4226, 58.7433] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2155",
    "depth": 30.0,
    "PO4": 0.96,
    "SiOH4": 12.75,
    "NO3_NO2": 9.94,
    "NO2": 0.23,
    "NH4": 0.48,
    "NO3": 9.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4226, 58.7433] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2155",
    "depth": 40.0,
    "PO4": 1.15,
    "SiOH4": 14.23,
    "NO3_NO2": 12.3,
    "NO2": 0.21,
    "NH4": 0.35,
    "NO3": 12.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4226, 58.7433] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2155",
    "depth": 50.0,
    "PO4": 1.47,
    "SiOH4": 17.95,
    "NO3_NO2": 16.87,
    "NO2": 0.02,
    "NH4": 0.49,
    "NO3": 16.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4226, 58.7433] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2155",
    "depth": 100.0,
    "PO4": 1.97,
    "SiOH4": 28.13,
    "NO3_NO2": 25.13,
    "NO2": 0.02,
    "NH4": 0.43,
    "NO3": 25.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4226, 58.7433] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2155",
    "depth": 120.0,
    "PO4": 2.19,
    "SiOH4": 29.24,
    "NO3_NO2": 26.82,
    "NO2": 0.0,
    "NH4": 0.34,
    "NO3": 26.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4226, 58.7433] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2155",
    "depth": 150.0,
    "PO4": 2.64,
    "SiOH4": 41.38,
    "NO3_NO2": 36.16,
    "NO2": 0.01,
    "NH4": 0.48,
    "NO3": 36.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4226, 58.7433] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2155",
    "depth": 200.0,
    "PO4": 3.04,
    "SiOH4": 45.95,
    "NO3_NO2": 38.47,
    "NO2": 0.0,
    "NH4": 0.39,
    "NO3": 38.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4226, 58.7433] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2155",
    "depth": 283.0,
    "PO4": 3.5,
    "SiOH4": 65.2,
    "NO3_NO2": 44.62,
    "NO2": 0.03,
    "NH4": 0.41,
    "NO3": 44.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4915, 58.7912] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 15,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2239",
    "depth": 0.0,
    "PO4": 0.66,
    "SiOH4": 11.49,
    "NO3_NO2": 9.5,
    "NO2": 0.36,
    "NH4": 0.4,
    "NO3": 9.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4915, 58.7912] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 15,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2239",
    "depth": 10.0,
    "PO4": 0.88,
    "SiOH4": 11.66,
    "NO3_NO2": 9.7,
    "NO2": 0.34,
    "NH4": 0.27,
    "NO3": 9.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4915, 58.7912] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 15,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2239",
    "depth": 20.0,
    "PO4": 0.91,
    "SiOH4": 11.55,
    "NO3_NO2": 9.74,
    "NO2": 0.35,
    "NH4": 0.21,
    "NO3": 9.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4915, 58.7912] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 15,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2239",
    "depth": 30.0,
    "PO4": 0.93,
    "SiOH4": 11.44,
    "NO3_NO2": 9.94,
    "NO2": 0.4,
    "NH4": 0.51,
    "NO3": 9.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4915, 58.7912] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 15,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2239",
    "depth": 40.0,
    "PO4": 0.96,
    "SiOH4": 11.8,
    "NO3_NO2": 10.76,
    "NO2": 0.41,
    "NH4": 0.42,
    "NO3": 10.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4915, 58.7912] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 15,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2239",
    "depth": 50.0,
    "PO4": 1.1,
    "SiOH4": 13.46,
    "NO3_NO2": 13.17,
    "NO2": 0.24,
    "NH4": 0.32,
    "NO3": 12.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4915, 58.7912] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 15,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2239",
    "depth": 100.0,
    "PO4": 1.53,
    "SiOH4": 21.49,
    "NO3_NO2": 21.02,
    "NO2": 0.02,
    "NH4": 0.33,
    "NO3": 21.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4915, 58.7912] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 15,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2239",
    "depth": 150.0,
    "PO4": 2.17,
    "SiOH4": 32.98,
    "NO3_NO2": 30.93,
    "NO2": 0.0,
    "NH4": 0.36,
    "NO3": 30.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4915, 58.7912] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 15,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2239",
    "depth": 200.0,
    "PO4": 2.78,
    "SiOH4": 45.5,
    "NO3_NO2": 38.27,
    "NO2": 0.01,
    "NH4": 0.49,
    "NO3": 38.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4915, 58.7912] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 15,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "2239",
    "depth": 285.0,
    "PO4": 3.45,
    "SiOH4": 70.74,
    "NO3_NO2": 47.3,
    "NO2": 0.0,
    "NH4": 0.48,
    "NO3": 47.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6304, 58.9714] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0016",
    "depth": 0.0,
    "PO4": 0.69,
    "SiOH4": 10.91,
    "NO3_NO2": 9.55,
    "NO2": 0.33,
    "NH4": 0.57,
    "NO3": 9.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6304, 58.9714] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0016",
    "depth": 10.0,
    "PO4": 0.94,
    "SiOH4": 10.58,
    "NO3_NO2": 9.55,
    "NO2": 0.36,
    "NH4": 0.29,
    "NO3": 9.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6304, 58.9714] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0016",
    "depth": 20.0,
    "PO4": 0.99,
    "SiOH4": 10.26,
    "NO3_NO2": 9.49,
    "NO2": 0.34,
    "NH4": 0.47,
    "NO3": 9.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6304, 58.9714] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0016",
    "depth": 30.0,
    "PO4": 0.99,
    "SiOH4": 10.41,
    "NO3_NO2": 9.7,
    "NO2": 0.35,
    "NH4": 0.27,
    "NO3": 9.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6304, 58.9714] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0016",
    "depth": 40.0,
    "PO4": 1.03,
    "SiOH4": 12.62,
    "NO3_NO2": 10.93,
    "NO2": 0.38,
    "NH4": 0.61,
    "NO3": 10.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6304, 58.9714] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0016",
    "depth": 50.0,
    "PO4": 1.14,
    "SiOH4": 14.73,
    "NO3_NO2": 13.9,
    "NO2": 0.26,
    "NH4": 0.56,
    "NO3": 13.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6304, 58.9714] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0016",
    "depth": 100.0,
    "PO4": 1.5,
    "SiOH4": 22.64,
    "NO3_NO2": 21.45,
    "NO2": 0.02,
    "NH4": 0.44,
    "NO3": 21.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6304, 58.9714] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0016",
    "depth": 150.0,
    "PO4": 1.92,
    "SiOH4": 28.4,
    "NO3_NO2": 26.07,
    "NO2": 0.02,
    "NH4": 0.31,
    "NO3": 26.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6304, 58.9714] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0016",
    "depth": 200.0,
    "PO4": 2.47,
    "SiOH4": 42.67,
    "NO3_NO2": 35.41,
    "NO2": 0.0,
    "NH4": 0.23,
    "NO3": 35.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6304, 58.9714] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0016",
    "depth": 238.0,
    "PO4": 3.67,
    "SiOH4": 66.3,
    "NO3_NO2": 44.75,
    "NO2": 0.01,
    "NH4": 0.33,
    "NO3": 44.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7701, 59.1168] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0155",
    "depth": 0.0,
    "PO4": 0.59,
    "SiOH4": 11.53,
    "NO3_NO2": 9.58,
    "NO2": 0.29,
    "NH4": 0.48,
    "NO3": 9.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7701, 59.1168] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0155",
    "depth": 10.0,
    "PO4": 0.8,
    "SiOH4": 11.68,
    "NO3_NO2": 9.57,
    "NO2": 0.27,
    "NH4": 0.47,
    "NO3": 9.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7701, 59.1168] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0155",
    "depth": 20.0,
    "PO4": 0.79,
    "SiOH4": 11.83,
    "NO3_NO2": 9.72,
    "NO2": 0.28,
    "NH4": 0.27,
    "NO3": 9.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7701, 59.1168] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0155",
    "depth": 30.0,
    "PO4": 0.86,
    "SiOH4": 12.54,
    "NO3_NO2": 10.18,
    "NO2": 0.38,
    "NH4": 0.56,
    "NO3": 9.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7701, 59.1168] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0155",
    "depth": 40.0,
    "PO4": 0.86,
    "SiOH4": 13.34,
    "NO3_NO2": 10.9,
    "NO2": 0.36,
    "NH4": 0.52,
    "NO3": 10.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7701, 59.1168] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0155",
    "depth": 50.0,
    "PO4": 0.97,
    "SiOH4": 15.54,
    "NO3_NO2": 12.75,
    "NO2": 0.3,
    "NH4": 0.47,
    "NO3": 12.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7701, 59.1168] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0155",
    "depth": 75.0,
    "PO4": 1.25,
    "SiOH4": 21.21,
    "NO3_NO2": 18.8,
    "NO2": 0.0,
    "NH4": 0.23,
    "NO3": 18.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7701, 59.1168] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0155",
    "depth": 100.0,
    "PO4": 1.48,
    "SiOH4": 23.23,
    "NO3_NO2": 21.06,
    "NO2": 0.03,
    "NH4": 0.53,
    "NO3": 21.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7701, 59.1168] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0155",
    "depth": 125.0,
    "PO4": 1.73,
    "SiOH4": 29.55,
    "NO3_NO2": 25.73,
    "NO2": 0.04,
    "NH4": 0.4,
    "NO3": 25.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7701, 59.1168] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0155",
    "depth": 150.0,
    "PO4": 2.05,
    "SiOH4": 33.62,
    "NO3_NO2": 28.19,
    "NO2": 0.02,
    "NH4": 0.43,
    "NO3": 28.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8384, 59.1906] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 19,
    "stn_id": "GAK5I",
    "water_depth": 163,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0247",
    "depth": 0.0,
    "PO4": 0.21,
    "SiOH4": 11.95,
    "NO3_NO2": 9.54,
    "NO2": 0.27,
    "NH4": 0.42,
    "NO3": 9.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8384, 59.1906] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 19,
    "stn_id": "GAK5I",
    "water_depth": 163,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0247",
    "depth": 10.0,
    "PO4": 0.6,
    "SiOH4": 11.92,
    "NO3_NO2": 9.58,
    "NO2": 0.31,
    "NH4": 0.46,
    "NO3": 9.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8384, 59.1906] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 19,
    "stn_id": "GAK5I",
    "water_depth": 163,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0247",
    "depth": 20.0,
    "PO4": 0.74,
    "SiOH4": 12.55,
    "NO3_NO2": 10.09,
    "NO2": 0.35,
    "NH4": 0.45,
    "NO3": 9.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8384, 59.1906] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 19,
    "stn_id": "GAK5I",
    "water_depth": 163,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0247",
    "depth": 30.0,
    "PO4": 0.82,
    "SiOH4": 12.81,
    "NO3_NO2": 10.69,
    "NO2": 0.4,
    "NH4": 0.79,
    "NO3": 10.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8384, 59.1906] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 19,
    "stn_id": "GAK5I",
    "water_depth": 163,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0247",
    "depth": 40.0,
    "PO4": 0.88,
    "SiOH4": 13.62,
    "NO3_NO2": 11.2,
    "NO2": 0.42,
    "NH4": 0.87,
    "NO3": 10.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8384, 59.1906] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 19,
    "stn_id": "GAK5I",
    "water_depth": 163,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0247",
    "depth": 50.0,
    "PO4": 1.0,
    "SiOH4": 11.64,
    "NO3_NO2": 11.86,
    "NO2": 0.41,
    "NH4": 0.67,
    "NO3": 11.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8384, 59.1906] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 19,
    "stn_id": "GAK5I",
    "water_depth": 163,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0247",
    "depth": 75.0,
    "PO4": 1.28,
    "SiOH4": 19.04,
    "NO3_NO2": 19.65,
    "NO2": 0.05,
    "NH4": 0.48,
    "NO3": 19.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8384, 59.1906] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 19,
    "stn_id": "GAK5I",
    "water_depth": 163,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0247",
    "depth": 100.0,
    "PO4": 1.56,
    "SiOH4": 22.4,
    "NO3_NO2": 22.01,
    "NO2": 0.02,
    "NH4": 0.32,
    "NO3": 21.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8384, 59.1906] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 19,
    "stn_id": "GAK5I",
    "water_depth": 163,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0247",
    "depth": 125.0,
    "PO4": 1.91,
    "SiOH4": 29.49,
    "NO3_NO2": 26.98,
    "NO2": 0.04,
    "NH4": 0.35,
    "NO3": 26.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8384, 59.1906] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 19,
    "stn_id": "GAK5I",
    "water_depth": 163,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "0247",
    "depth": 155.0,
    "PO4": 2.29,
    "SiOH4": 31.92,
    "NO3_NO2": 28.66,
    "NO2": 0.03,
    "NH4": 0.39,
    "NO3": 28.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.467, 59.8448] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 20,
    "stn_id": "GAK1",
    "water_depth": 267,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1547",
    "depth": 0.0,
    "PO4": 0.2,
    "SiOH4": 3.41,
    "NO3_NO2": 1.57,
    "NO2": 0.0,
    "NH4": 0.37,
    "NO3": 1.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.467, 59.8448] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 20,
    "stn_id": "GAK1",
    "water_depth": 267,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1547",
    "depth": 10.0,
    "PO4": 0.39,
    "SiOH4": 3.47,
    "NO3_NO2": 3.58,
    "NO2": 0.19,
    "NH4": 0.8,
    "NO3": 3.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.467, 59.8448] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 20,
    "stn_id": "GAK1",
    "water_depth": 267,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1547",
    "depth": 20.0,
    "PO4": 0.55,
    "SiOH4": 4.66,
    "NO3_NO2": 5.09,
    "NO2": 0.56,
    "NH4": 0.91,
    "NO3": 4.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.467, 59.8448] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 20,
    "stn_id": "GAK1",
    "water_depth": 267,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1547",
    "depth": 30.0,
    "PO4": 0.65,
    "SiOH4": 5.95,
    "NO3_NO2": 6.02,
    "NO2": 0.51,
    "NH4": 1.12,
    "NO3": 5.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.467, 59.8448] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 20,
    "stn_id": "GAK1",
    "water_depth": 267,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1547",
    "depth": 40.0,
    "PO4": 0.7,
    "SiOH4": 4.76,
    "NO3_NO2": 6.45,
    "NO2": 0.66,
    "NH4": 0.55,
    "NO3": 5.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.467, 59.8448] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 20,
    "stn_id": "GAK1",
    "water_depth": 267,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1547",
    "depth": 50.0,
    "PO4": 0.89,
    "SiOH4": 8.12,
    "NO3_NO2": 8.35,
    "NO2": 0.61,
    "NH4": 0.39,
    "NO3": 7.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.467, 59.8448] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 20,
    "stn_id": "GAK1",
    "water_depth": 267,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1547",
    "depth": 75.0,
    "PO4": 1.08,
    "SiOH4": 11.38,
    "NO3_NO2": 11.54,
    "NO2": 0.56,
    "NH4": 0.41,
    "NO3": 10.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.467, 59.8448] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 20,
    "stn_id": "GAK1",
    "water_depth": 267,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1547",
    "depth": 100.0,
    "PO4": 1.49,
    "SiOH4": 17.64,
    "NO3_NO2": 17.39,
    "NO2": 0.19,
    "NH4": 0.11,
    "NO3": 17.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.467, 59.8448] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 20,
    "stn_id": "GAK1",
    "water_depth": 267,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1547",
    "depth": 200.0,
    "PO4": 2.4,
    "SiOH4": 36.74,
    "NO3_NO2": 29.86,
    "NO2": 0.07,
    "NH4": 0.27,
    "NO3": 29.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.467, 59.8448] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 20,
    "stn_id": "GAK1",
    "water_depth": 267,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1547",
    "depth": 250.0,
    "PO4": 2.71,
    "SiOH4": 42.38,
    "NO3_NO2": 31.86,
    "NO2": 0.1,
    "NH4": 0.48,
    "NO3": 31.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4705, 59.8453] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1639",
    "depth": 2.0,
    "PO4": 0.24,
    "SiOH4": 5.62,
    "NO3_NO2": 1.52,
    "NO2": 0.01,
    "NH4": 0.74,
    "NO3": 1.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4705, 59.8453] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1639",
    "depth": 5.0,
    "PO4": 0.36,
    "SiOH4": 5.44,
    "NO3_NO2": 2.38,
    "NO2": 0.13,
    "NH4": 0.79,
    "NO3": 2.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4705, 59.8453] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1639",
    "depth": 8.0,
    "PO4": 0.38,
    "SiOH4": 5.47,
    "NO3_NO2": 2.97,
    "NO2": 0.19,
    "NH4": 0.8,
    "NO3": 2.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4705, 59.8453] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1639",
    "depth": 12.0,
    "PO4": 0.46,
    "SiOH4": 5.71,
    "NO3_NO2": 3.79,
    "NO2": 0.29,
    "NH4": 0.9,
    "NO3": 3.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4705, 59.8453] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1639",
    "depth": 16.0,
    "PO4": 0.53,
    "SiOH4": 6.36,
    "NO3_NO2": 4.38,
    "NO2": 0.34,
    "NH4": 1.28,
    "NO3": 4.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4705, 59.8453] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 22,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1639",
    "depth": 24.0,
    "PO4": 0.65,
    "SiOH4": 7.43,
    "NO3_NO2": 5.3,
    "NO2": 0.52,
    "NH4": 0.92,
    "NO3": 4.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3983, 59.7666] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "GAK1I",
    "water_depth": 258,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1718",
    "depth": 0.0,
    "PO4": 0.12,
    "SiOH4": 5.7,
    "NO3_NO2": 5.57,
    "NO2": 0.09,
    "NH4": 0.88,
    "NO3": 5.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3983, 59.7666] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "GAK1I",
    "water_depth": 258,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1718",
    "depth": 10.0,
    "PO4": 0.46,
    "SiOH4": 7.9,
    "NO3_NO2": 5.4,
    "NO2": 0.26,
    "NH4": 0.8,
    "NO3": 5.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3983, 59.7666] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "GAK1I",
    "water_depth": 258,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1718",
    "depth": 20.0,
    "PO4": 0.86,
    "SiOH4": 8.76,
    "NO3_NO2": 7.03,
    "NO2": 0.29,
    "NH4": 1.22,
    "NO3": 6.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3983, 59.7666] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "GAK1I",
    "water_depth": 258,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1718",
    "depth": 30.0,
    "PO4": 1.06,
    "SiOH4": 10.97,
    "NO3_NO2": 8.33,
    "NO2": 0.2,
    "NH4": 1.13,
    "NO3": 8.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3983, 59.7666] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "GAK1I",
    "water_depth": 258,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1718",
    "depth": 40.0,
    "PO4": 1.1,
    "SiOH4": 11.1,
    "NO3_NO2": 8.16,
    "NO2": 0.13,
    "NH4": 1.19,
    "NO3": 8.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3983, 59.7666] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "GAK1I",
    "water_depth": 258,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1718",
    "depth": 50.0,
    "PO4": 1.09,
    "SiOH4": 11.23,
    "NO3_NO2": 8.32,
    "NO2": 0.04,
    "NH4": 0.88,
    "NO3": 8.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3983, 59.7666] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "GAK1I",
    "water_depth": 258,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1718",
    "depth": 75.0,
    "PO4": 1.22,
    "SiOH4": 13.64,
    "NO3_NO2": 10.7,
    "NO2": 0.09,
    "NH4": 1.21,
    "NO3": 10.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3983, 59.7666] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "GAK1I",
    "water_depth": 258,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1718",
    "depth": 100.0,
    "PO4": 1.51,
    "SiOH4": 16.37,
    "NO3_NO2": 14.17,
    "NO2": 0.0,
    "NH4": 0.62,
    "NO3": 14.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3983, 59.7666] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "GAK1I",
    "water_depth": 258,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1718",
    "depth": 150.0,
    "PO4": 2.24,
    "SiOH4": 29.95,
    "NO3_NO2": 25.6,
    "NO2": 0.01,
    "NH4": 0.81,
    "NO3": 25.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3983, 59.7666] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "GAK1I",
    "water_depth": 258,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1718",
    "depth": 200.0,
    "PO4": 2.72,
    "SiOH4": 40.23,
    "NO3_NO2": 30.37,
    "NO2": 0.01,
    "NH4": 0.04,
    "NO3": 30.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3983, 59.7666] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "GAK1I",
    "water_depth": 258,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1718",
    "depth": 250.0,
    "PO4": null,
    "SiOH4": 43.67,
    "NO3_NO2": 31.94,
    "NO2": 0.02,
    "NH4": 0.01,
    "NO3": 31.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3288, 59.6911] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 24,
    "stn_id": "GAK2",
    "water_depth": 226,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1810",
    "depth": 0.0,
    "PO4": 0.66,
    "SiOH4": 11.31,
    "NO3_NO2": 8.09,
    "NO2": 0.22,
    "NH4": 0.52,
    "NO3": 7.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3288, 59.6911] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 24,
    "stn_id": "GAK2",
    "water_depth": 226,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1810",
    "depth": 10.0,
    "PO4": 1.07,
    "SiOH4": 11.76,
    "NO3_NO2": 8.63,
    "NO2": 0.15,
    "NH4": 0.39,
    "NO3": 8.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3288, 59.6911] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 24,
    "stn_id": "GAK2",
    "water_depth": 226,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1810",
    "depth": 20.0,
    "PO4": 1.18,
    "SiOH4": 11.89,
    "NO3_NO2": 8.85,
    "NO2": 0.18,
    "NH4": 0.49,
    "NO3": 8.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3288, 59.6911] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 24,
    "stn_id": "GAK2",
    "water_depth": 226,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1810",
    "depth": 30.0,
    "PO4": 1.21,
    "SiOH4": 12.23,
    "NO3_NO2": 9.28,
    "NO2": 0.21,
    "NH4": 0.5,
    "NO3": 9.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3288, 59.6911] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 24,
    "stn_id": "GAK2",
    "water_depth": 226,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1810",
    "depth": 40.0,
    "PO4": 1.31,
    "SiOH4": 13.4,
    "NO3_NO2": 10.63,
    "NO2": 0.26,
    "NH4": 0.69,
    "NO3": 10.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3288, 59.6911] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 24,
    "stn_id": "GAK2",
    "water_depth": 226,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1810",
    "depth": 50.0,
    "PO4": 1.36,
    "SiOH4": 14.47,
    "NO3_NO2": 11.39,
    "NO2": 0.25,
    "NH4": 0.51,
    "NO3": 11.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3288, 59.6911] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 24,
    "stn_id": "GAK2",
    "water_depth": 226,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1810",
    "depth": 75.0,
    "PO4": 1.55,
    "SiOH4": 16.98,
    "NO3_NO2": 14.58,
    "NO2": 0.45,
    "NH4": 0.39,
    "NO3": 14.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3288, 59.6911] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 24,
    "stn_id": "GAK2",
    "water_depth": 226,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1810",
    "depth": 100.0,
    "PO4": 2.05,
    "SiOH4": 25.6,
    "NO3_NO2": 21.95,
    "NO2": 0.21,
    "NH4": 0.07,
    "NO3": 21.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3288, 59.6911] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 24,
    "stn_id": "GAK2",
    "water_depth": 226,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1810",
    "depth": 205.0,
    "PO4": 2.52,
    "SiOH4": 36.91,
    "NO3_NO2": 29.32,
    "NO2": 0.14,
    "NH4": 0.59,
    "NO3": 29.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.258, 59.6259] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1902",
    "depth": 0.0,
    "PO4": 0.53,
    "SiOH4": 10.43,
    "NO3_NO2": 9.61,
    "NO2": 0.21,
    "NH4": 1.53,
    "NO3": 9.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.258, 59.6259] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1902",
    "depth": 10.0,
    "PO4": 0.8,
    "SiOH4": 10.96,
    "NO3_NO2": 10.31,
    "NO2": 0.21,
    "NH4": 1.49,
    "NO3": 10.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.258, 59.6259] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1902",
    "depth": 20.0,
    "PO4": 0.94,
    "SiOH4": 11.39,
    "NO3_NO2": 10.9,
    "NO2": 0.19,
    "NH4": 1.48,
    "NO3": 10.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.258, 59.6259] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1902",
    "depth": 30.0,
    "PO4": 0.94,
    "SiOH4": 11.73,
    "NO3_NO2": 10.96,
    "NO2": 0.2,
    "NH4": 1.82,
    "NO3": 10.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.258, 59.6259] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1902",
    "depth": 40.0,
    "PO4": 0.94,
    "SiOH4": 12.55,
    "NO3_NO2": 11.82,
    "NO2": 0.15,
    "NH4": 1.61,
    "NO3": 11.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.258, 59.6259] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1902",
    "depth": 50.0,
    "PO4": 1.02,
    "SiOH4": 13.57,
    "NO3_NO2": 13.17,
    "NO2": 0.18,
    "NH4": 1.31,
    "NO3": 12.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.258, 59.6259] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1902",
    "depth": 75.0,
    "PO4": 1.39,
    "SiOH4": 19.53,
    "NO3_NO2": 19.97,
    "NO2": 0.01,
    "NH4": 1.05,
    "NO3": 19.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.258, 59.6259] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1902",
    "depth": 100.0,
    "PO4": 1.65,
    "SiOH4": 23.75,
    "NO3_NO2": 23.21,
    "NO2": 0.01,
    "NH4": 0.62,
    "NO3": 23.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.258, 59.6259] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1902",
    "depth": 150.0,
    "PO4": 1.83,
    "SiOH4": 29.81,
    "NO3_NO2": 27.47,
    "NO2": 0.02,
    "NH4": 0.36,
    "NO3": 27.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.258, 59.6259] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1902",
    "depth": 207.0,
    "PO4": 2.18,
    "SiOH4": 39.37,
    "NO3_NO2": 33.14,
    "NO2": 0.02,
    "NH4": 0.58,
    "NO3": 33.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1885, 59.5538] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK3",
    "water_depth": 213,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1951",
    "depth": 0.0,
    "PO4": 0.54,
    "SiOH4": 11.96,
    "NO3_NO2": 9.88,
    "NO2": 0.23,
    "NH4": 0.66,
    "NO3": 9.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1885, 59.5538] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK3",
    "water_depth": 213,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1951",
    "depth": 10.0,
    "PO4": 0.75,
    "SiOH4": 11.91,
    "NO3_NO2": 10.25,
    "NO2": 0.23,
    "NH4": 0.7,
    "NO3": 10.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1885, 59.5538] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK3",
    "water_depth": 213,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1951",
    "depth": 20.0,
    "PO4": 0.83,
    "SiOH4": 12.34,
    "NO3_NO2": 10.85,
    "NO2": 0.26,
    "NH4": 0.74,
    "NO3": 10.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1885, 59.5538] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK3",
    "water_depth": 213,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1951",
    "depth": 30.0,
    "PO4": 0.88,
    "SiOH4": 12.77,
    "NO3_NO2": 11.39,
    "NO2": 0.27,
    "NH4": 0.69,
    "NO3": 11.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1885, 59.5538] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK3",
    "water_depth": 213,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1951",
    "depth": 40.0,
    "PO4": 0.98,
    "SiOH4": 14.66,
    "NO3_NO2": 14.03,
    "NO2": 0.17,
    "NH4": 0.69,
    "NO3": 13.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1885, 59.5538] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK3",
    "water_depth": 213,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1951",
    "depth": 50.0,
    "PO4": 1.26,
    "SiOH4": 18.88,
    "NO3_NO2": 18.78,
    "NO2": 0.03,
    "NH4": 0.9,
    "NO3": 18.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1885, 59.5538] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK3",
    "water_depth": 213,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1951",
    "depth": 75.0,
    "PO4": 1.33,
    "SiOH4": 19.8,
    "NO3_NO2": 19.27,
    "NO2": 0.06,
    "NH4": 0.9,
    "NO3": 19.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1885, 59.5538] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK3",
    "water_depth": 213,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1951",
    "depth": 100.0,
    "PO4": 1.57,
    "SiOH4": 24.8,
    "NO3_NO2": 23.75,
    "NO2": 0.01,
    "NH4": 0.69,
    "NO3": 23.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1885, 59.5538] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 26,
    "stn_id": "GAK3",
    "water_depth": 213,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "1951",
    "depth": 150.0,
    "PO4": 1.91,
    "SiOH4": 36.39,
    "NO3_NO2": 30.87,
    "NO2": 0.02,
    "NH4": 0.51,
    "NO3": 30.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.117, 59.4827] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2055",
    "depth": 0.0,
    "PO4": 0.79,
    "SiOH4": 10.18,
    "NO3_NO2": 7.73,
    "NO2": 0.22,
    "NH4": 0.59,
    "NO3": 7.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.117, 59.4827] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2055",
    "depth": 10.0,
    "PO4": 0.94,
    "SiOH4": 10.27,
    "NO3_NO2": 7.74,
    "NO2": 0.17,
    "NH4": 1.05,
    "NO3": 7.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.117, 59.4827] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2055",
    "depth": 20.0,
    "PO4": 0.92,
    "SiOH4": 11.14,
    "NO3_NO2": 8.24,
    "NO2": 0.22,
    "NH4": 1.0,
    "NO3": 8.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.117, 59.4827] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2055",
    "depth": 30.0,
    "PO4": 1.03,
    "SiOH4": 12.3,
    "NO3_NO2": 9.39,
    "NO2": 0.29,
    "NH4": 0.52,
    "NO3": 9.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.117, 59.4827] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2055",
    "depth": 40.0,
    "PO4": 1.3,
    "SiOH4": 16.66,
    "NO3_NO2": 14.74,
    "NO2": 0.16,
    "NH4": 1.19,
    "NO3": 14.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.117, 59.4827] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2055",
    "depth": 50.0,
    "PO4": 1.39,
    "SiOH4": 18.41,
    "NO3_NO2": 16.7,
    "NO2": 0.0,
    "NH4": 0.76,
    "NO3": 16.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.117, 59.4827] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2055",
    "depth": 75.0,
    "PO4": 1.6,
    "SiOH4": 22.77,
    "NO3_NO2": 20.27,
    "NO2": 0.0,
    "NH4": 0.75,
    "NO3": 20.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.117, 59.4827] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2055",
    "depth": 100.0,
    "PO4": 1.74,
    "SiOH4": 26.74,
    "NO3_NO2": 21.8,
    "NO2": 0.02,
    "NH4": 0.83,
    "NO3": 21.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.117, 59.4827] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2055",
    "depth": 150.0,
    "PO4": 2.02,
    "SiOH4": 34.69,
    "NO3_NO2": 29.8,
    "NO2": 0.02,
    "NH4": 1.16,
    "NO3": 29.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.117, 59.4827] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 28,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2055",
    "depth": 201.0,
    "PO4": 2.23,
    "SiOH4": 38.86,
    "NO3_NO2": 32.93,
    "NO2": 0.01,
    "NH4": 0.0,
    "NO3": 32.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0472, 59.4094] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2147",
    "depth": 0.0,
    "PO4": 0.51,
    "SiOH4": 9.17,
    "NO3_NO2": 8.16,
    "NO2": 0.29,
    "NH4": 0.01,
    "NO3": 7.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0472, 59.4094] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2147",
    "depth": 10.0,
    "PO4": 0.73,
    "SiOH4": 9.26,
    "NO3_NO2": 8.44,
    "NO2": 0.26,
    "NH4": 0.0,
    "NO3": 8.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0472, 59.4094] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2147",
    "depth": 20.0,
    "PO4": 0.82,
    "SiOH4": 10.13,
    "NO3_NO2": 9.31,
    "NO2": 0.2,
    "NH4": 0.37,
    "NO3": 9.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0472, 59.4094] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2147",
    "depth": 30.0,
    "PO4": 0.97,
    "SiOH4": 12.35,
    "NO3_NO2": 12.12,
    "NO2": 0.35,
    "NH4": 0.01,
    "NO3": 11.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0472, 59.4094] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2147",
    "depth": 40.0,
    "PO4": 1.18,
    "SiOH4": 15.74,
    "NO3_NO2": 16.22,
    "NO2": 0.25,
    "NH4": 0.04,
    "NO3": 15.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0472, 59.4094] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2147",
    "depth": 50.0,
    "PO4": 1.38,
    "SiOH4": 16.32,
    "NO3_NO2": 16.82,
    "NO2": 0.12,
    "NH4": 0.03,
    "NO3": 16.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0472, 59.4094] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2147",
    "depth": 75.0,
    "PO4": 1.53,
    "SiOH4": 21.17,
    "NO3_NO2": 21.9,
    "NO2": 0.06,
    "NH4": 0.06,
    "NO3": 21.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0472, 59.4094] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2147",
    "depth": 100.0,
    "PO4": 1.64,
    "SiOH4": 22.72,
    "NO3_NO2": 23.3,
    "NO2": 0.04,
    "NH4": 0.04,
    "NO3": 23.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0472, 59.4094] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2147",
    "depth": 150.0,
    "PO4": 2.11,
    "SiOH4": 35.62,
    "NO3_NO2": 30.38,
    "NO2": 0.01,
    "NH4": 0.24,
    "NO3": 30.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0472, 59.4094] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2147",
    "depth": 195.0,
    "PO4": 2.21,
    "SiOH4": 36.68,
    "NO3_NO2": 32.11,
    "NO2": 0.08,
    "NH4": 0.95,
    "NO3": 32.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9769, 59.336] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2248",
    "depth": 0.0,
    "PO4": 0.47,
    "SiOH4": 11.23,
    "NO3_NO2": 8.64,
    "NO2": 0.42,
    "NH4": 1.13,
    "NO3": 8.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9769, 59.336] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2248",
    "depth": 10.0,
    "PO4": 0.72,
    "SiOH4": 11.01,
    "NO3_NO2": 9.07,
    "NO2": 0.35,
    "NH4": 1.15,
    "NO3": 8.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9769, 59.336] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2248",
    "depth": 20.0,
    "PO4": 0.79,
    "SiOH4": 10.99,
    "NO3_NO2": 8.96,
    "NO2": 0.34,
    "NH4": 1.81,
    "NO3": 8.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9769, 59.336] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2248",
    "depth": 30.0,
    "PO4": 0.87,
    "SiOH4": 11.74,
    "NO3_NO2": 10.25,
    "NO2": 0.47,
    "NH4": 1.88,
    "NO3": 9.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9769, 59.336] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2248",
    "depth": 40.0,
    "PO4": 1.02,
    "SiOH4": 13.66,
    "NO3_NO2": 12.95,
    "NO2": 0.59,
    "NH4": 1.52,
    "NO3": 12.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9769, 59.336] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2248",
    "depth": 50.0,
    "PO4": 1.05,
    "SiOH4": 15.09,
    "NO3_NO2": 14.95,
    "NO2": 0.64,
    "NH4": 1.37,
    "NO3": 14.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9769, 59.336] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2248",
    "depth": 75.0,
    "PO4": 1.37,
    "SiOH4": 20.2,
    "NO3_NO2": 19.97,
    "NO2": 0.26,
    "NH4": 1.01,
    "NO3": 19.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9769, 59.336] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2248",
    "depth": 100.0,
    "PO4": 1.64,
    "SiOH4": 25.03,
    "NO3_NO2": 24.02,
    "NO2": 0.06,
    "NH4": 1.34,
    "NO3": 23.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9769, 59.336] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2248",
    "depth": 150.0,
    "PO4": 1.93,
    "SiOH4": 32.96,
    "NO3_NO2": 29.68,
    "NO2": 0.05,
    "NH4": 0.93,
    "NO3": 29.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9769, 59.336] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 30,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2248",
    "depth": 192.0,
    "PO4": 2.21,
    "SiOH4": 39.34,
    "NO3_NO2": 30.22,
    "NO2": 0.03,
    "NH4": 0.83,
    "NO3": 30.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.907, 59.2627] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2339",
    "depth": 0.0,
    "PO4": 0.55,
    "SiOH4": 10.7,
    "NO3_NO2": 9.82,
    "NO2": 0.27,
    "NH4": 0.89,
    "NO3": 9.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.907, 59.2627] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2339",
    "depth": 10.0,
    "PO4": 0.84,
    "SiOH4": 10.48,
    "NO3_NO2": 9.88,
    "NO2": 0.22,
    "NH4": 0.72,
    "NO3": 9.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.907, 59.2627] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2339",
    "depth": 20.0,
    "PO4": 0.82,
    "SiOH4": 10.26,
    "NO3_NO2": 9.98,
    "NO2": 0.27,
    "NH4": 0.47,
    "NO3": 9.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.907, 59.2627] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2339",
    "depth": 30.0,
    "PO4": 0.83,
    "SiOH4": 10.04,
    "NO3_NO2": 10.36,
    "NO2": 0.32,
    "NH4": 0.77,
    "NO3": 10.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.907, 59.2627] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2339",
    "depth": 40.0,
    "PO4": 0.94,
    "SiOH4": 12.15,
    "NO3_NO2": 12.52,
    "NO2": 0.26,
    "NH4": 1.19,
    "NO3": 12.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.907, 59.2627] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2339",
    "depth": 50.0,
    "PO4": 1.01,
    "SiOH4": 13.29,
    "NO3_NO2": 13.76,
    "NO2": 0.31,
    "NH4": 0.77,
    "NO3": 13.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.907, 59.2627] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2339",
    "depth": 75.0,
    "PO4": 1.15,
    "SiOH4": 15.3,
    "NO3_NO2": 16.78,
    "NO2": 0.08,
    "NH4": 0.6,
    "NO3": 16.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.907, 59.2627] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2339",
    "depth": 100.0,
    "PO4": 1.51,
    "SiOH4": 22.36,
    "NO3_NO2": 22.83,
    "NO2": 0.01,
    "NH4": 0.64,
    "NO3": 22.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.907, 59.2627] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2339",
    "depth": 160.0,
    "PO4": 1.91,
    "SiOH4": 31.46,
    "NO3_NO2": 30.49,
    "NO2": 0.08,
    "NH4": 0.85,
    "NO3": 30.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0485, 59.4084] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "GAK4",
    "water_depth": 198,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "1445",
    "depth": 0.0,
    "PO4": 0.51,
    "SiOH4": 11.48,
    "NO3_NO2": 9.94,
    "NO2": 0.3,
    "NH4": 0.58,
    "NO3": 9.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0485, 59.4084] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "GAK4",
    "water_depth": 198,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "1445",
    "depth": 5.0,
    "PO4": 0.8,
    "SiOH4": 11.4,
    "NO3_NO2": 9.93,
    "NO2": 0.26,
    "NH4": 0.56,
    "NO3": 9.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0485, 59.4084] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "GAK4",
    "water_depth": 198,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "1445",
    "depth": 8.0,
    "PO4": 0.87,
    "SiOH4": 11.41,
    "NO3_NO2": 9.99,
    "NO2": 0.24,
    "NH4": 0.72,
    "NO3": 9.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0485, 59.4084] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "GAK4",
    "water_depth": 198,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "1445",
    "depth": 12.0,
    "PO4": 0.85,
    "SiOH4": 11.24,
    "NO3_NO2": 9.86,
    "NO2": 0.22,
    "NH4": 0.7,
    "NO3": 9.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0485, 59.4084] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "GAK4",
    "water_depth": 198,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "1445",
    "depth": 16.0,
    "PO4": 0.84,
    "SiOH4": 11.35,
    "NO3_NO2": 9.98,
    "NO2": 0.22,
    "NH4": 0.8,
    "NO3": 9.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0485, 59.4084] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "GAK4",
    "water_depth": 198,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "1445",
    "depth": 24.0,
    "PO4": 0.82,
    "SiOH4": 11.94,
    "NO3_NO2": 10.22,
    "NO2": 0.27,
    "NH4": 0.78,
    "NO3": 9.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9856, 60.2776] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "KIP2",
    "water_depth": 589,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "0633",
    "depth": 0.0,
    "PO4": 0.07,
    "SiOH4": 4.25,
    "NO3_NO2": 0.64,
    "NO2": 0.32,
    "NH4": 0.76,
    "NO3": 0.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9856, 60.2776] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "KIP2",
    "water_depth": 589,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "0633",
    "depth": 10.0,
    "PO4": 0.14,
    "SiOH4": 4.17,
    "NO3_NO2": 1.06,
    "NO2": 0.6,
    "NH4": 0.68,
    "NO3": 0.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9856, 60.2776] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "KIP2",
    "water_depth": 589,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "0633",
    "depth": 20.0,
    "PO4": 0.16,
    "SiOH4": 4.86,
    "NO3_NO2": 2.51,
    "NO2": 0.49,
    "NH4": 1.02,
    "NO3": 2.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9856, 60.2776] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "KIP2",
    "water_depth": 589,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "0633",
    "depth": 30.0,
    "PO4": 0.25,
    "SiOH4": 5.26,
    "NO3_NO2": 4.63,
    "NO2": 0.74,
    "NH4": 0.52,
    "NO3": 3.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9856, 60.2776] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "KIP2",
    "water_depth": 589,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "0633",
    "depth": 40.0,
    "PO4": 0.59,
    "SiOH4": 9.23,
    "NO3_NO2": 10.08,
    "NO2": 0.29,
    "NH4": 0.8,
    "NO3": 9.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9856, 60.2776] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "KIP2",
    "water_depth": 589,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "0633",
    "depth": 50.0,
    "PO4": 0.95,
    "SiOH4": 14.54,
    "NO3_NO2": 15.11,
    "NO2": 0.2,
    "NH4": 0.54,
    "NO3": 14.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9856, 60.2776] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "KIP2",
    "water_depth": 589,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "0633",
    "depth": 75.0,
    "PO4": 1.11,
    "SiOH4": 17.06,
    "NO3_NO2": 18.26,
    "NO2": 0.16,
    "NH4": 0.76,
    "NO3": 18.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9856, 60.2776] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "KIP2",
    "water_depth": 589,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "0633",
    "depth": 100.0,
    "PO4": 1.5,
    "SiOH4": 23.44,
    "NO3_NO2": 23.71,
    "NO2": 0.12,
    "NH4": 0.26,
    "NO3": 23.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9856, 60.2776] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "KIP2",
    "water_depth": 589,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "0633",
    "depth": 200.0,
    "PO4": 2.01,
    "SiOH4": 35.59,
    "NO3_NO2": 33.16,
    "NO2": 0.06,
    "NH4": 0.54,
    "NO3": 33.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9856, 60.2776] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "KIP2",
    "water_depth": 589,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "0633",
    "depth": 250.0,
    "PO4": 2.11,
    "SiOH4": 37.14,
    "NO3_NO2": 34.19,
    "NO2": 0.04,
    "NH4": 0.4,
    "NO3": 34.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9856, 60.2776] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "KIP2",
    "water_depth": 589,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "0633",
    "depth": 583.0,
    "PO4": 2.18,
    "SiOH4": 39.66,
    "NO3_NO2": 36.06,
    "NO2": 0.02,
    "NH4": 0.5,
    "NO3": 36.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8668, 59.9088] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "CF1",
    "water_depth": 82,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1550",
    "depth": 0.0,
    "PO4": 0.22,
    "SiOH4": 6.49,
    "NO3_NO2": 3.63,
    "NO2": 0.39,
    "NH4": 0.66,
    "NO3": 3.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8668, 59.9088] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "CF1",
    "water_depth": 82,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1550",
    "depth": 10.0,
    "PO4": 0.39,
    "SiOH4": 6.33,
    "NO3_NO2": 3.69,
    "NO2": 0.35,
    "NH4": 0.84,
    "NO3": 3.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8668, 59.9088] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "CF1",
    "water_depth": 82,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1550",
    "depth": 20.0,
    "PO4": 0.5,
    "SiOH4": 7.13,
    "NO3_NO2": 5.63,
    "NO2": 0.53,
    "NH4": 0.84,
    "NO3": 5.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8668, 59.9088] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "CF1",
    "water_depth": 82,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1550",
    "depth": 30.0,
    "PO4": 0.63,
    "SiOH4": 9.38,
    "NO3_NO2": 8.77,
    "NO2": 0.67,
    "NH4": 0.84,
    "NO3": 8.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8668, 59.9088] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "CF1",
    "water_depth": 82,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1550",
    "depth": 40.0,
    "PO4": 0.7,
    "SiOH4": 11.05,
    "NO3_NO2": 9.86,
    "NO2": 0.69,
    "NH4": 0.96,
    "NO3": 9.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8668, 59.9088] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "CF1",
    "water_depth": 82,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1550",
    "depth": 50.0,
    "PO4": 0.77,
    "SiOH4": 11.38,
    "NO3_NO2": 10.28,
    "NO2": 0.61,
    "NH4": 0.9,
    "NO3": 9.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8668, 59.9088] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "CF1",
    "water_depth": 82,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1550",
    "depth": 77.0,
    "PO4": 0.86,
    "SiOH4": 13.72,
    "NO3_NO2": 13.0,
    "NO2": 0.5,
    "NH4": 0.9,
    "NO3": 12.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.8501] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "CF3",
    "water_depth": 155,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1636",
    "depth": 0.0,
    "PO4": 0.02,
    "SiOH4": 7.4,
    "NO3_NO2": 4.58,
    "NO2": 0.72,
    "NH4": 0.48,
    "NO3": 3.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.8501] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "CF3",
    "water_depth": 155,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1636",
    "depth": 10.0,
    "PO4": 0.13,
    "SiOH4": 7.72,
    "NO3_NO2": 5.3,
    "NO2": 0.73,
    "NH4": 0.42,
    "NO3": 4.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.8501] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "CF3",
    "water_depth": 155,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1636",
    "depth": 20.0,
    "PO4": 0.31,
    "SiOH4": 8.04,
    "NO3_NO2": 5.48,
    "NO2": 0.71,
    "NH4": 0.66,
    "NO3": 4.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.8501] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "CF3",
    "water_depth": 155,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1636",
    "depth": 30.0,
    "PO4": 0.39,
    "SiOH4": 9.72,
    "NO3_NO2": 7.29,
    "NO2": 0.71,
    "NH4": 0.66,
    "NO3": 6.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.8501] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "CF3",
    "water_depth": 155,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1636",
    "depth": 40.0,
    "PO4": 0.59,
    "SiOH4": 11.97,
    "NO3_NO2": 11.17,
    "NO2": 0.67,
    "NH4": 0.48,
    "NO3": 10.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.8501] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "CF3",
    "water_depth": 155,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1636",
    "depth": 50.0,
    "PO4": 0.76,
    "SiOH4": 13.15,
    "NO3_NO2": 12.07,
    "NO2": 0.62,
    "NH4": 0.6,
    "NO3": 11.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.8501] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "CF3",
    "water_depth": 155,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1636",
    "depth": 75.0,
    "PO4": 0.73,
    "SiOH4": 12.71,
    "NO3_NO2": 10.92,
    "NO2": 0.54,
    "NH4": 1.14,
    "NO3": 10.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.8501] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "CF3",
    "water_depth": 155,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1636",
    "depth": 100.0,
    "PO4": 1.1,
    "SiOH4": 16.21,
    "NO3_NO2": 20.49,
    "NO2": 0.18,
    "NH4": 0.6,
    "NO3": 20.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.8501] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "CF3",
    "water_depth": 155,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1636",
    "depth": 155.0,
    "PO4": 1.57,
    "SiOH4": 30.88,
    "NO3_NO2": 28.91,
    "NO2": 0.02,
    "NH4": 0.72,
    "NO3": 28.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8687, 59.7843] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 40,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1738",
    "depth": 0.0,
    "PO4": 0.16,
    "SiOH4": 12.2,
    "NO3_NO2": 8.9,
    "NO2": 0.36,
    "NH4": 1.16,
    "NO3": 8.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8687, 59.7843] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 40,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1738",
    "depth": 10.0,
    "PO4": 0.56,
    "SiOH4": 12.37,
    "NO3_NO2": 9.02,
    "NO2": 0.42,
    "NH4": 1.07,
    "NO3": 8.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8687, 59.7843] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 40,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1738",
    "depth": 20.0,
    "PO4": 0.71,
    "SiOH4": 12.53,
    "NO3_NO2": 9.13,
    "NO2": 0.39,
    "NH4": 1.1,
    "NO3": 8.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8687, 59.7843] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 40,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1738",
    "depth": 30.0,
    "PO4": 0.74,
    "SiOH4": 12.6,
    "NO3_NO2": 9.43,
    "NO2": 0.36,
    "NH4": 1.13,
    "NO3": 9.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8687, 59.7843] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 40,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1738",
    "depth": 40.0,
    "PO4": 0.72,
    "SiOH4": 13.25,
    "NO3_NO2": 9.97,
    "NO2": 0.45,
    "NH4": 1.39,
    "NO3": 9.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8687, 59.7843] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 40,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1738",
    "depth": 50.0,
    "PO4": 0.74,
    "SiOH4": 13.9,
    "NO3_NO2": 11.18,
    "NO2": 0.42,
    "NH4": 1.12,
    "NO3": 10.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8687, 59.7843] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 40,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1738",
    "depth": 75.0,
    "PO4": 0.77,
    "SiOH4": 13.87,
    "NO3_NO2": 11.84,
    "NO2": 0.32,
    "NH4": 1.09,
    "NO3": 11.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8687, 59.7843] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 40,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1738",
    "depth": 100.0,
    "PO4": 1.02,
    "SiOH4": 18.66,
    "NO3_NO2": 18.26,
    "NO2": 0.22,
    "NH4": 0.7,
    "NO3": 18.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8687, 59.7843] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 40,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1738",
    "depth": 150.0,
    "PO4": 1.35,
    "SiOH4": 27.3,
    "NO3_NO2": 27.58,
    "NO2": 0.04,
    "NH4": 1.08,
    "NO3": 27.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8687, 59.7843] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 40,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1738",
    "depth": 186.0,
    "PO4": 1.83,
    "SiOH4": 37.96,
    "NO3_NO2": 33.7,
    "NO2": 0.05,
    "NH4": 0.75,
    "NO3": 33.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8689, 59.7172] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1841",
    "depth": 0.0,
    "PO4": 0.18,
    "SiOH4": 12.22,
    "NO3_NO2": 10.24,
    "NO2": 0.27,
    "NH4": 1.36,
    "NO3": 9.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8689, 59.7172] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1841",
    "depth": 10.0,
    "PO4": 0.59,
    "SiOH4": 12.58,
    "NO3_NO2": 10.66,
    "NO2": 0.08,
    "NH4": 0.97,
    "NO3": 10.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8689, 59.7172] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1841",
    "depth": 20.0,
    "PO4": 0.67,
    "SiOH4": 12.45,
    "NO3_NO2": 10.59,
    "NO2": 0.06,
    "NH4": 0.29,
    "NO3": 10.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8689, 59.7172] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1841",
    "depth": 30.0,
    "PO4": 0.77,
    "SiOH4": 13.29,
    "NO3_NO2": 11.55,
    "NO2": 0.26,
    "NH4": 0.33,
    "NO3": 11.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8689, 59.7172] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1841",
    "depth": 40.0,
    "PO4": 0.86,
    "SiOH4": 14.71,
    "NO3_NO2": 13.0,
    "NO2": 0.46,
    "NH4": 0.25,
    "NO3": 12.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8689, 59.7172] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1841",
    "depth": 50.0,
    "PO4": 0.84,
    "SiOH4": 14.58,
    "NO3_NO2": 13.24,
    "NO2": 0.61,
    "NH4": 1.31,
    "NO3": 12.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8689, 59.7172] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1841",
    "depth": 75.0,
    "PO4": 0.95,
    "SiOH4": 12.53,
    "NO3_NO2": 18.75,
    "NO2": 0.67,
    "NH4": 0.45,
    "NO3": 18.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8689, 59.7172] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1841",
    "depth": 100.0,
    "PO4": 1.29,
    "SiOH4": 19.05,
    "NO3_NO2": 25.17,
    "NO2": 0.47,
    "NH4": 1.26,
    "NO3": 24.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8689, 59.7172] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1841",
    "depth": 150.0,
    "PO4": 1.56,
    "SiOH4": 24.13,
    "NO3_NO2": 28.74,
    "NO2": 0.33,
    "NH4": 0.82,
    "NO3": 28.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8689, 59.7172] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1841",
    "depth": 176.0,
    "PO4": 1.68,
    "SiOH4": 29.98,
    "NO3_NO2": 31.82,
    "NO2": 0.03,
    "NH4": 0.68,
    "NO3": 31.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.6497] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "CF9",
    "water_depth": 179,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1939",
    "depth": 0.0,
    "PO4": 0.72,
    "SiOH4": 12.71,
    "NO3_NO2": 11.67,
    "NO2": 0.34,
    "NH4": 0.85,
    "NO3": 11.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.6497] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "CF9",
    "water_depth": 179,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1939",
    "depth": 10.0,
    "PO4": 0.89,
    "SiOH4": 12.72,
    "NO3_NO2": 11.72,
    "NO2": 0.27,
    "NH4": 0.84,
    "NO3": 11.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.6497] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "CF9",
    "water_depth": 179,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1939",
    "depth": 20.0,
    "PO4": 0.95,
    "SiOH4": 12.83,
    "NO3_NO2": 11.78,
    "NO2": 0.16,
    "NH4": 0.84,
    "NO3": 11.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.6497] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "CF9",
    "water_depth": 179,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1939",
    "depth": 30.0,
    "PO4": 0.96,
    "SiOH4": 13.03,
    "NO3_NO2": 11.95,
    "NO2": 0.57,
    "NH4": 0.97,
    "NO3": 11.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.6497] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "CF9",
    "water_depth": 179,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1939",
    "depth": 40.0,
    "PO4": 0.96,
    "SiOH4": 13.4,
    "NO3_NO2": 12.18,
    "NO2": 0.53,
    "NH4": 0.56,
    "NO3": 11.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.6497] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "CF9",
    "water_depth": 179,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1939",
    "depth": 50.0,
    "PO4": 1.14,
    "SiOH4": 16.1,
    "NO3_NO2": 15.66,
    "NO2": 0.51,
    "NH4": 0.65,
    "NO3": 15.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.6497] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "CF9",
    "water_depth": 179,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1939",
    "depth": 75.0,
    "PO4": 1.33,
    "SiOH4": 20.05,
    "NO3_NO2": 20.25,
    "NO2": 0.21,
    "NH4": 0.46,
    "NO3": 20.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.6497] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "CF9",
    "water_depth": 179,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1939",
    "depth": 100.0,
    "PO4": 1.6,
    "SiOH4": 25.25,
    "NO3_NO2": 25.55,
    "NO2": 0.0,
    "NH4": 0.41,
    "NO3": 25.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.6497] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "CF9",
    "water_depth": 179,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1939",
    "depth": 150.0,
    "PO4": 1.65,
    "SiOH4": 26.79,
    "NO3_NO2": 27.02,
    "NO2": 0.06,
    "NH4": 0.05,
    "NO3": 26.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.6497] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "CF9",
    "water_depth": 179,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "1939",
    "depth": 174.0,
    "PO4": 1.9,
    "SiOH4": 31.45,
    "NO3_NO2": 30.26,
    "NO2": 0.43,
    "NH4": 1.08,
    "NO3": 29.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8694, 59.5833] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 46,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "2039",
    "depth": 0.0,
    "PO4": 0.75,
    "SiOH4": 12.97,
    "NO3_NO2": 10.99,
    "NO2": 0.37,
    "NH4": 1.16,
    "NO3": 10.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8694, 59.5833] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 46,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "2039",
    "depth": 10.0,
    "PO4": 0.85,
    "SiOH4": 12.98,
    "NO3_NO2": 11.1,
    "NO2": 0.37,
    "NH4": 0.8,
    "NO3": 10.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8694, 59.5833] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 46,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "2039",
    "depth": 20.0,
    "PO4": 0.89,
    "SiOH4": 13.09,
    "NO3_NO2": 11.16,
    "NO2": 0.5,
    "NH4": 0.71,
    "NO3": 10.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8694, 59.5833] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 46,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "2039",
    "depth": 30.0,
    "PO4": 0.99,
    "SiOH4": 14.72,
    "NO3_NO2": 13.4,
    "NO2": 0.56,
    "NH4": 0.43,
    "NO3": 12.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8694, 59.5833] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 46,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "2039",
    "depth": 40.0,
    "PO4": 1.14,
    "SiOH4": 16.61,
    "NO3_NO2": 15.99,
    "NO2": 0.64,
    "NH4": 0.7,
    "NO3": 15.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8694, 59.5833] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 46,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "2039",
    "depth": 50.0,
    "PO4": 1.24,
    "SiOH4": 17.88,
    "NO3_NO2": 17.75,
    "NO2": 0.41,
    "NH4": 1.05,
    "NO3": 17.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8694, 59.5833] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 46,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "2039",
    "depth": 75.0,
    "PO4": 1.42,
    "SiOH4": 21.65,
    "NO3_NO2": 21.93,
    "NO2": 0.42,
    "NH4": 0.64,
    "NO3": 21.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8694, 59.5833] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 46,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "2039",
    "depth": 100.0,
    "PO4": 1.55,
    "SiOH4": 23.72,
    "NO3_NO2": 23.99,
    "NO2": 0.29,
    "NH4": 1.09,
    "NO3": 23.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8694, 59.5833] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 46,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "2039",
    "depth": 150.0,
    "PO4": 1.76,
    "SiOH4": 29.46,
    "NO3_NO2": 28.53,
    "NO2": 0.25,
    "NH4": 0.73,
    "NO3": 28.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8694, 59.5833] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 46,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "2039",
    "depth": 176.0,
    "PO4": 2.04,
    "SiOH4": 37.25,
    "NO3_NO2": 33.95,
    "NO2": 0.21,
    "NH4": 0.86,
    "NO3": 33.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8693, 59.517] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "CF13",
    "water_depth": 174,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "2137",
    "depth": 0.0,
    "PO4": 0.73,
    "SiOH4": 13.41,
    "NO3_NO2": 11.37,
    "NO2": 0.38,
    "NH4": 1.11,
    "NO3": 10.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8693, 59.517] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "CF13",
    "water_depth": 174,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "2137",
    "depth": 10.0,
    "PO4": 0.88,
    "SiOH4": 13.42,
    "NO3_NO2": 11.47,
    "NO2": 0.5,
    "NH4": 1.92,
    "NO3": 10.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8693, 59.517] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "CF13",
    "water_depth": 174,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "2137",
    "depth": 20.0,
    "PO4": 0.88,
    "SiOH4": 13.61,
    "NO3_NO2": 11.53,
    "NO2": 0.5,
    "NH4": 0.79,
    "NO3": 11.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8693, 59.517] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "CF13",
    "water_depth": 174,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "2137",
    "depth": 30.0,
    "PO4": 0.9,
    "SiOH4": 13.98,
    "NO3_NO2": 12.05,
    "NO2": 0.57,
    "NH4": 1.54,
    "NO3": 11.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8693, 59.517] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "CF13",
    "water_depth": 174,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "2137",
    "depth": 40.0,
    "PO4": 1.06,
    "SiOH4": 16.4,
    "NO3_NO2": 14.57,
    "NO2": 0.62,
    "NH4": 1.58,
    "NO3": 13.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8693, 59.517] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "CF13",
    "water_depth": 174,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "2137",
    "depth": 50.0,
    "PO4": 1.34,
    "SiOH4": 19.8,
    "NO3_NO2": 19.51,
    "NO2": 0.38,
    "NH4": 0.72,
    "NO3": 19.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8693, 59.517] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "CF13",
    "water_depth": 174,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "2137",
    "depth": 75.0,
    "PO4": 1.39,
    "SiOH4": 22.04,
    "NO3_NO2": 22.04,
    "NO2": 0.38,
    "NH4": 0.99,
    "NO3": 21.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8693, 59.517] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "CF13",
    "water_depth": 174,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "2137",
    "depth": 100.0,
    "PO4": 1.49,
    "SiOH4": 23.75,
    "NO3_NO2": 23.39,
    "NO2": 0.45,
    "NH4": 0.89,
    "NO3": 22.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8693, 59.517] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "CF13",
    "water_depth": 174,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "2137",
    "depth": 150.0,
    "PO4": 1.84,
    "SiOH4": 31.18,
    "NO3_NO2": 29.86,
    "NO2": 0.5,
    "NH4": 1.24,
    "NO3": 29.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8693, 59.517] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "CF13",
    "water_depth": 174,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "2137",
    "depth": 170.0,
    "PO4": 2.0,
    "SiOH4": 35.83,
    "NO3_NO2": 33.45,
    "NO2": 0.57,
    "NH4": 0.43,
    "NO3": 32.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.4505] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "CF15",
    "water_depth": 183,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "2235",
    "depth": 0.0,
    "PO4": 0.68,
    "SiOH4": 13.41,
    "NO3_NO2": 10.87,
    "NO2": 0.28,
    "NH4": 0.92,
    "NO3": 10.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.4505] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "CF15",
    "water_depth": 183,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "2235",
    "depth": 10.0,
    "PO4": 0.81,
    "SiOH4": 12.97,
    "NO3_NO2": 10.92,
    "NO2": 0.28,
    "NH4": 0.82,
    "NO3": 10.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.4505] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "CF15",
    "water_depth": 183,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "2235",
    "depth": 20.0,
    "PO4": 0.88,
    "SiOH4": 13.43,
    "NO3_NO2": 11.26,
    "NO2": 0.15,
    "NH4": 0.59,
    "NO3": 11.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.4505] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "CF15",
    "water_depth": 183,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "2235",
    "depth": 30.0,
    "PO4": 0.97,
    "SiOH4": 14.51,
    "NO3_NO2": 12.67,
    "NO2": 0.18,
    "NH4": 0.72,
    "NO3": 12.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.4505] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "CF15",
    "water_depth": 183,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "2235",
    "depth": 40.0,
    "PO4": 1.03,
    "SiOH4": 15.77,
    "NO3_NO2": 14.49,
    "NO2": 0.32,
    "NH4": 0.58,
    "NO3": 14.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.4505] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "CF15",
    "water_depth": 183,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "2235",
    "depth": 50.0,
    "PO4": 1.11,
    "SiOH4": 17.21,
    "NO3_NO2": 15.25,
    "NO2": 0.2,
    "NH4": 0.7,
    "NO3": 15.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.4505] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "CF15",
    "water_depth": 183,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "2235",
    "depth": 75.0,
    "PO4": 1.36,
    "SiOH4": 20.97,
    "NO3_NO2": 20.6,
    "NO2": 0.0,
    "NH4": 0.52,
    "NO3": 20.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.4505] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "CF15",
    "water_depth": 183,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "2235",
    "depth": 100.0,
    "PO4": 1.63,
    "SiOH4": 25.18,
    "NO3_NO2": 25.07,
    "NO2": 0.03,
    "NH4": 0.69,
    "NO3": 25.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.4505] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "CF15",
    "water_depth": 183,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "2235",
    "depth": 150.0,
    "PO4": 1.91,
    "SiOH4": 32.51,
    "NO3_NO2": 30.84,
    "NO2": 0.05,
    "NH4": 0.33,
    "NO3": 30.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.4505] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "CF15",
    "water_depth": 183,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "2235",
    "depth": 182.0,
    "PO4": 2.07,
    "SiOH4": 36.28,
    "NO3_NO2": 33.6,
    "NO2": 0.05,
    "NH4": 0.59,
    "NO3": 33.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8823, 59.1281] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "CC8",
    "water_depth": 199,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0214",
    "depth": 0.0,
    "PO4": 0.48,
    "SiOH4": 11.72,
    "NO3_NO2": 9.59,
    "NO2": 0.41,
    "NH4": 0.62,
    "NO3": 9.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8823, 59.1281] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "CC8",
    "water_depth": 199,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0214",
    "depth": 10.0,
    "PO4": 0.76,
    "SiOH4": 14.89,
    "NO3_NO2": 11.95,
    "NO2": 0.2,
    "NH4": 0.69,
    "NO3": 11.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8823, 59.1281] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "CC8",
    "water_depth": 199,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0214",
    "depth": 20.0,
    "PO4": 0.92,
    "SiOH4": 15.55,
    "NO3_NO2": 12.84,
    "NO2": 0.22,
    "NH4": 0.71,
    "NO3": 12.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8823, 59.1281] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "CC8",
    "water_depth": 199,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0214",
    "depth": 30.0,
    "PO4": 0.96,
    "SiOH4": 15.14,
    "NO3_NO2": 12.77,
    "NO2": 0.14,
    "NH4": 0.64,
    "NO3": 12.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8823, 59.1281] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "CC8",
    "water_depth": 199,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0214",
    "depth": 40.0,
    "PO4": 1.01,
    "SiOH4": 15.21,
    "NO3_NO2": 13.0,
    "NO2": 0.14,
    "NH4": 0.49,
    "NO3": 12.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8823, 59.1281] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "CC8",
    "water_depth": 199,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0214",
    "depth": 50.0,
    "PO4": 1.07,
    "SiOH4": 15.47,
    "NO3_NO2": 13.59,
    "NO2": 0.07,
    "NH4": 0.69,
    "NO3": 13.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8823, 59.1281] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "CC8",
    "water_depth": 199,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0214",
    "depth": 75.0,
    "PO4": 1.35,
    "SiOH4": 20.88,
    "NO3_NO2": 19.86,
    "NO2": 0.15,
    "NH4": 0.54,
    "NO3": 19.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8823, 59.1281] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "CC8",
    "water_depth": 199,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0214",
    "depth": 100.0,
    "PO4": 1.5,
    "SiOH4": 23.58,
    "NO3_NO2": 23.05,
    "NO2": 0.15,
    "NH4": 0.43,
    "NO3": 22.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8823, 59.1281] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "CC8",
    "water_depth": 199,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0214",
    "depth": 150.0,
    "PO4": 2.65,
    "SiOH4": 60.13,
    "NO3_NO2": 47.21,
    "NO2": 0.24,
    "NH4": 0.54,
    "NO3": 46.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8837, 59.251] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "CC7",
    "water_depth": 179,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0324",
    "depth": 0.0,
    "PO4": 0.76,
    "SiOH4": 14.02,
    "NO3_NO2": 11.02,
    "NO2": 0.49,
    "NH4": 1.02,
    "NO3": 10.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8837, 59.251] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "CC7",
    "water_depth": 179,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0324",
    "depth": 10.0,
    "PO4": 0.93,
    "SiOH4": 15.06,
    "NO3_NO2": 11.48,
    "NO2": 0.41,
    "NH4": 0.96,
    "NO3": 11.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8837, 59.251] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "CC7",
    "water_depth": 179,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0324",
    "depth": 20.0,
    "PO4": 1.02,
    "SiOH4": 13.19,
    "NO3_NO2": 12.54,
    "NO2": 0.34,
    "NH4": 1.03,
    "NO3": 12.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8837, 59.251] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "CC7",
    "water_depth": 179,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0324",
    "depth": 30.0,
    "PO4": 1.04,
    "SiOH4": 13.36,
    "NO3_NO2": 13.25,
    "NO2": 0.24,
    "NH4": 1.01,
    "NO3": 13.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8837, 59.251] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "CC7",
    "water_depth": 179,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0324",
    "depth": 40.0,
    "PO4": 1.09,
    "SiOH4": 14.02,
    "NO3_NO2": 13.95,
    "NO2": 0.4,
    "NH4": 1.03,
    "NO3": 13.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8837, 59.251] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "CC7",
    "water_depth": 179,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0324",
    "depth": 50.0,
    "PO4": 1.11,
    "SiOH4": 13.8,
    "NO3_NO2": 13.83,
    "NO2": 0.33,
    "NH4": 0.92,
    "NO3": 13.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8837, 59.251] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "CC7",
    "water_depth": 179,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0324",
    "depth": 75.0,
    "PO4": 1.11,
    "SiOH4": 14.36,
    "NO3_NO2": 14.36,
    "NO2": 0.28,
    "NH4": 0.99,
    "NO3": 14.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8837, 59.251] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "CC7",
    "water_depth": 179,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0324",
    "depth": 100.0,
    "PO4": 1.25,
    "SiOH4": 16.57,
    "NO3_NO2": 17.37,
    "NO2": 0.22,
    "NH4": 0.83,
    "NO3": 17.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8837, 59.251] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "CC7",
    "water_depth": 179,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0324",
    "depth": 150.0,
    "PO4": 2.11,
    "SiOH4": 41.09,
    "NO3_NO2": 36.44,
    "NO2": 0.01,
    "NH4": 0.49,
    "NO3": 36.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8837, 59.251] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "CC7",
    "water_depth": 179,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0324",
    "depth": 174.0,
    "PO4": 2.4,
    "SiOH4": 49.21,
    "NO3_NO2": 41.53,
    "NO2": 0.0,
    "NH4": 0.57,
    "NO3": 41.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8851, 59.3693] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "CC6",
    "water_depth": 174,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0422",
    "depth": 0.0,
    "PO4": 0.66,
    "SiOH4": 10.18,
    "NO3_NO2": 8.05,
    "NO2": 1.08,
    "NH4": 0.69,
    "NO3": 6.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8851, 59.3693] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "CC6",
    "water_depth": 174,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0422",
    "depth": 10.0,
    "PO4": 0.8,
    "SiOH4": 10.75,
    "NO3_NO2": 8.64,
    "NO2": 0.83,
    "NH4": 0.57,
    "NO3": 7.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8851, 59.3693] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "CC6",
    "water_depth": 174,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0422",
    "depth": 20.0,
    "PO4": 0.92,
    "SiOH4": 12.48,
    "NO3_NO2": 10.76,
    "NO2": 0.72,
    "NH4": 0.85,
    "NO3": 10.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8851, 59.3693] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "CC6",
    "water_depth": 174,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0422",
    "depth": 30.0,
    "PO4": 1.01,
    "SiOH4": 14.12,
    "NO3_NO2": 11.88,
    "NO2": 0.68,
    "NH4": 0.86,
    "NO3": 11.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8851, 59.3693] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "CC6",
    "water_depth": 174,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0422",
    "depth": 40.0,
    "PO4": 0.99,
    "SiOH4": 14.5,
    "NO3_NO2": 11.34,
    "NO2": 0.73,
    "NH4": 0.47,
    "NO3": 10.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8851, 59.3693] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "CC6",
    "water_depth": 174,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0422",
    "depth": 50.0,
    "PO4": 1.06,
    "SiOH4": 15.56,
    "NO3_NO2": 12.76,
    "NO2": 0.6,
    "NH4": 0.84,
    "NO3": 12.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8851, 59.3693] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "CC6",
    "water_depth": 174,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0422",
    "depth": 75.0,
    "PO4": 1.06,
    "SiOH4": 16.03,
    "NO3_NO2": 13.11,
    "NO2": 0.42,
    "NH4": 0.54,
    "NO3": 12.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8851, 59.3693] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "CC6",
    "water_depth": 174,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0422",
    "depth": 100.0,
    "PO4": 1.24,
    "SiOH4": 20.1,
    "NO3_NO2": 17.72,
    "NO2": 0.52,
    "NH4": 0.96,
    "NO3": 17.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8851, 59.3693] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "CC6",
    "water_depth": 174,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0422",
    "depth": 150.0,
    "PO4": 1.72,
    "SiOH4": 30.95,
    "NO3_NO2": 27.01,
    "NO2": 0.31,
    "NH4": 1.02,
    "NO3": 26.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8851, 59.3693] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "CC6",
    "water_depth": 174,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0422",
    "depth": 171.0,
    "PO4": 2.0,
    "SiOH4": 38.9,
    "NO3_NO2": 32.63,
    "NO2": 0.32,
    "NH4": 0.8,
    "NO3": 32.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8828, 59.4836] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "CC5",
    "water_depth": 114,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0518",
    "depth": 0.0,
    "PO4": 0.48,
    "SiOH4": 12.02,
    "NO3_NO2": 9.94,
    "NO2": 0.37,
    "NH4": 0.63,
    "NO3": 9.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8828, 59.4836] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "CC5",
    "water_depth": 114,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0518",
    "depth": 10.0,
    "PO4": 0.7,
    "SiOH4": 12.1,
    "NO3_NO2": 9.99,
    "NO2": 0.38,
    "NH4": 0.96,
    "NO3": 9.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8828, 59.4836] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "CC5",
    "water_depth": 114,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0518",
    "depth": 20.0,
    "PO4": 0.83,
    "SiOH4": 12.09,
    "NO3_NO2": 10.64,
    "NO2": 0.35,
    "NH4": 1.11,
    "NO3": 10.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8828, 59.4836] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "CC5",
    "water_depth": 114,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0518",
    "depth": 30.0,
    "PO4": 0.89,
    "SiOH4": 12.76,
    "NO3_NO2": 11.4,
    "NO2": 0.27,
    "NH4": 1.35,
    "NO3": 11.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8828, 59.4836] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "CC5",
    "water_depth": 114,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0518",
    "depth": 40.0,
    "PO4": 0.91,
    "SiOH4": 13.53,
    "NO3_NO2": 11.99,
    "NO2": 0.15,
    "NH4": 0.77,
    "NO3": 11.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8828, 59.4836] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "CC5",
    "water_depth": 114,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0518",
    "depth": 50.0,
    "PO4": 1.0,
    "SiOH4": 15.07,
    "NO3_NO2": 13.58,
    "NO2": 0.26,
    "NH4": 1.19,
    "NO3": 13.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8828, 59.4836] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "CC5",
    "water_depth": 114,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0518",
    "depth": 75.0,
    "PO4": 1.07,
    "SiOH4": 17.87,
    "NO3_NO2": 16.36,
    "NO2": 0.2,
    "NH4": 0.93,
    "NO3": 16.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8828, 59.4836] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "CC5",
    "water_depth": 114,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0518",
    "depth": 111.0,
    "PO4": 1.35,
    "SiOH4": 21.84,
    "NO3_NO2": 20.09,
    "NO2": 0.15,
    "NH4": 0.49,
    "NO3": 19.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8838, 59.6002] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "CC4",
    "water_depth": 112,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0611",
    "depth": 0.0,
    "PO4": 0.43,
    "SiOH4": 10.1,
    "NO3_NO2": 10.0,
    "NO2": 0.05,
    "NH4": 0.68,
    "NO3": 9.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8838, 59.6002] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "CC4",
    "water_depth": 112,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0611",
    "depth": 10.0,
    "PO4": 0.7,
    "SiOH4": 10.31,
    "NO3_NO2": 10.11,
    "NO2": 0.92,
    "NH4": 0.95,
    "NO3": 9.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8838, 59.6002] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "CC4",
    "water_depth": 112,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0611",
    "depth": 20.0,
    "PO4": 0.78,
    "SiOH4": 9.93,
    "NO3_NO2": 10.16,
    "NO2": 1.49,
    "NH4": 1.41,
    "NO3": 8.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8838, 59.6002] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "CC4",
    "water_depth": 112,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0611",
    "depth": 30.0,
    "PO4": 0.78,
    "SiOH4": 9.94,
    "NO3_NO2": 10.15,
    "NO2": 1.21,
    "NH4": 1.36,
    "NO3": 8.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8838, 59.6002] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "CC4",
    "water_depth": 112,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0611",
    "depth": 40.0,
    "PO4": 0.83,
    "SiOH4": 10.05,
    "NO3_NO2": 10.26,
    "NO2": 0.82,
    "NH4": 1.27,
    "NO3": 9.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8838, 59.6002] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "CC4",
    "water_depth": 112,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0611",
    "depth": 50.0,
    "PO4": 0.85,
    "SiOH4": 10.74,
    "NO3_NO2": 10.6,
    "NO2": 0.64,
    "NH4": 1.72,
    "NO3": 9.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8838, 59.6002] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "CC4",
    "water_depth": 112,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0611",
    "depth": 75.0,
    "PO4": 1.2,
    "SiOH4": 18.32,
    "NO3_NO2": 18.06,
    "NO2": 0.37,
    "NH4": 0.59,
    "NO3": 17.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.884, 59.6675] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "CC3",
    "water_depth": 70,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0647",
    "depth": 0.0,
    "PO4": 0.25,
    "SiOH4": 8.73,
    "NO3_NO2": 6.38,
    "NO2": 0.24,
    "NH4": 1.04,
    "NO3": 6.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.884, 59.6675] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "CC3",
    "water_depth": 70,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0647",
    "depth": 10.0,
    "PO4": 0.53,
    "SiOH4": 8.93,
    "NO3_NO2": 6.37,
    "NO2": 0.24,
    "NH4": 0.77,
    "NO3": 6.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.884, 59.6675] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "CC3",
    "water_depth": 70,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0647",
    "depth": 20.0,
    "PO4": 0.63,
    "SiOH4": 9.12,
    "NO3_NO2": 6.95,
    "NO2": 0.02,
    "NH4": 1.0,
    "NO3": 6.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.884, 59.6675] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "CC3",
    "water_depth": 70,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0647",
    "depth": 30.0,
    "PO4": 0.72,
    "SiOH4": 9.9,
    "NO3_NO2": 8.01,
    "NO2": 0.05,
    "NH4": 1.68,
    "NO3": 7.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.884, 59.6675] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "CC3",
    "water_depth": 70,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0647",
    "depth": 40.0,
    "PO4": 0.71,
    "SiOH4": 10.77,
    "NO3_NO2": 8.83,
    "NO2": 0.31,
    "NH4": 1.36,
    "NO3": 8.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.884, 59.6675] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "CC3",
    "water_depth": 70,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0647",
    "depth": 50.0,
    "PO4": 0.88,
    "SiOH4": 12.03,
    "NO3_NO2": 10.42,
    "NO2": 0.55,
    "NH4": 1.0,
    "NO3": 9.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.884, 59.6675] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "CC3",
    "water_depth": 70,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0647",
    "depth": 63.0,
    "PO4": 1.0,
    "SiOH4": 14.94,
    "NO3_NO2": 13.43,
    "NO2": 0.39,
    "NH4": 0.95,
    "NO3": 13.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8837, 59.7104] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "CC2",
    "water_depth": 66,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0711",
    "depth": 0.0,
    "PO4": 0.22,
    "SiOH4": 6.88,
    "NO3_NO2": 5.9,
    "NO2": 0.42,
    "NH4": 1.04,
    "NO3": 5.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8837, 59.7104] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "CC2",
    "water_depth": 66,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0711",
    "depth": 10.0,
    "PO4": 0.5,
    "SiOH4": 7.45,
    "NO3_NO2": 6.07,
    "NO2": 0.53,
    "NH4": 1.0,
    "NO3": 5.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8837, 59.7104] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "CC2",
    "water_depth": 66,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0711",
    "depth": 20.0,
    "PO4": 0.57,
    "SiOH4": 7.74,
    "NO3_NO2": 6.77,
    "NO2": 0.27,
    "NH4": 0.95,
    "NO3": 6.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8837, 59.7104] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "CC2",
    "water_depth": 66,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0711",
    "depth": 30.0,
    "PO4": 0.76,
    "SiOH4": 10.54,
    "NO3_NO2": 9.96,
    "NO2": 0.45,
    "NH4": 0.95,
    "NO3": 9.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8837, 59.7104] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "CC2",
    "water_depth": 66,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0711",
    "depth": 40.0,
    "PO4": 0.87,
    "SiOH4": 10.92,
    "NO3_NO2": 10.6,
    "NO2": 0.63,
    "NH4": 1.09,
    "NO3": 9.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8837, 59.7104] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "CC2",
    "water_depth": 66,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0711",
    "depth": 50.0,
    "PO4": 0.88,
    "SiOH4": 12.95,
    "NO3_NO2": 12.31,
    "NO2": null,
    "NH4": 0.82,
    "NO3": 12.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8837, 59.7104] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "CC2",
    "water_depth": 66,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0711",
    "depth": 62.0,
    "PO4": 0.95,
    "SiOH4": 13.13,
    "NO3_NO2": 12.59,
    "NO2": null,
    "NH4": 1.41,
    "NO3": 12.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8866, 59.7447] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 58,
    "stn_id": "CC1",
    "water_depth": 20,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0732",
    "depth": 0.0,
    "PO4": 0.49,
    "SiOH4": 7.98,
    "NO3_NO2": 6.43,
    "NO2": 0.49,
    "NH4": 1.13,
    "NO3": 5.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8866, 59.7447] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 58,
    "stn_id": "CC1",
    "water_depth": 20,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0732",
    "depth": 10.0,
    "PO4": 0.58,
    "SiOH4": 8.26,
    "NO3_NO2": 6.83,
    "NO2": 0.51,
    "NH4": 0.82,
    "NO3": 6.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8866, 59.7447] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 58,
    "stn_id": "CC1",
    "water_depth": 20,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0732",
    "depth": 16.0,
    "PO4": 0.63,
    "SiOH4": 8.35,
    "NO3_NO2": 7.0,
    "NO2": 0.42,
    "NH4": 1.82,
    "NO3": 6.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0009, 59.7163] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 59,
    "stn_id": "CCSW1",
    "water_depth": 24,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0802",
    "depth": 0.0,
    "PO4": 0.57,
    "SiOH4": 9.94,
    "NO3_NO2": 5.64,
    "NO2": 0.35,
    "NH4": 1.23,
    "NO3": 5.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0009, 59.7163] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 59,
    "stn_id": "CCSW1",
    "water_depth": 24,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0802",
    "depth": 10.0,
    "PO4": 0.75,
    "SiOH4": 10.64,
    "NO3_NO2": 6.63,
    "NO2": 0.33,
    "NH4": 1.47,
    "NO3": 6.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0009, 59.7163] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 59,
    "stn_id": "CCSW1",
    "water_depth": 24,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0802",
    "depth": 22.0,
    "PO4": 0.81,
    "SiOH4": 11.62,
    "NO3_NO2": 8.05,
    "NO2": 0.29,
    "NH4": 0.92,
    "NO3": 7.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0885, 59.6683] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "CCSW2",
    "water_depth": 50,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0835",
    "depth": 0.0,
    "PO4": 0.57,
    "SiOH4": 10.18,
    "NO3_NO2": 6.13,
    "NO2": 0.37,
    "NH4": 0.87,
    "NO3": 5.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0885, 59.6683] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "CCSW2",
    "water_depth": 50,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0835",
    "depth": 10.0,
    "PO4": 0.75,
    "SiOH4": 11.24,
    "NO3_NO2": 7.49,
    "NO2": 0.35,
    "NH4": 0.77,
    "NO3": 7.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0885, 59.6683] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "CCSW2",
    "water_depth": 50,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0835",
    "depth": 20.0,
    "PO4": 0.94,
    "SiOH4": 13.47,
    "NO3_NO2": 10.38,
    "NO2": 0.34,
    "NH4": 1.06,
    "NO3": 10.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0885, 59.6683] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "CCSW2",
    "water_depth": 50,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0835",
    "depth": 30.0,
    "PO4": 0.99,
    "SiOH4": 13.46,
    "NO3_NO2": 10.69,
    "NO2": 0.28,
    "NH4": 1.55,
    "NO3": 10.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0885, 59.6683] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "CCSW2",
    "water_depth": 50,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0835",
    "depth": 48.0,
    "PO4": 1.01,
    "SiOH4": 13.45,
    "NO3_NO2": 10.78,
    "NO2": 0.26,
    "NH4": 1.15,
    "NO3": 10.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.1728, 59.6263] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 61,
    "stn_id": "CCSW3",
    "water_depth": 165,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0908",
    "depth": 0.0,
    "PO4": 0.77,
    "SiOH4": 2.39,
    "NO3_NO2": 9.5,
    "NO2": 0.18,
    "NH4": 1.19,
    "NO3": 9.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.1728, 59.6263] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 61,
    "stn_id": "CCSW3",
    "water_depth": 165,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0908",
    "depth": 10.0,
    "PO4": 0.9,
    "SiOH4": 2.91,
    "NO3_NO2": 9.59,
    "NO2": 0.53,
    "NH4": 1.78,
    "NO3": 9.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.1728, 59.6263] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 61,
    "stn_id": "CCSW3",
    "water_depth": 165,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0908",
    "depth": 20.0,
    "PO4": 1.06,
    "SiOH4": 2.33,
    "NO3_NO2": 9.84,
    "NO2": 0.65,
    "NH4": 1.23,
    "NO3": 9.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.1728, 59.6263] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 61,
    "stn_id": "CCSW3",
    "water_depth": 165,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0908",
    "depth": 30.0,
    "PO4": 1.04,
    "SiOH4": 2.3,
    "NO3_NO2": 9.24,
    "NO2": 0.49,
    "NH4": 0.83,
    "NO3": 8.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.1728, 59.6263] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 61,
    "stn_id": "CCSW3",
    "water_depth": 165,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0908",
    "depth": 40.0,
    "PO4": 1.03,
    "SiOH4": 1.72,
    "NO3_NO2": 9.49,
    "NO2": 0.43,
    "NH4": 1.02,
    "NO3": 9.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.1728, 59.6263] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 61,
    "stn_id": "CCSW3",
    "water_depth": 165,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0908",
    "depth": 50.0,
    "PO4": 1.07,
    "SiOH4": 3.23,
    "NO3_NO2": 11.01,
    "NO2": 0.35,
    "NH4": 1.16,
    "NO3": 10.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.1728, 59.6263] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 61,
    "stn_id": "CCSW3",
    "water_depth": 165,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0908",
    "depth": 75.0,
    "PO4": 1.38,
    "SiOH4": 8.81,
    "NO3_NO2": 16.71,
    "NO2": 0.04,
    "NH4": 0.57,
    "NO3": 16.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.1728, 59.6263] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 61,
    "stn_id": "CCSW3",
    "water_depth": 165,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0908",
    "depth": 100.0,
    "PO4": 1.66,
    "SiOH4": 13.4,
    "NO3_NO2": 20.76,
    "NO2": 0.0,
    "NH4": 0.66,
    "NO3": 20.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.1728, 59.6263] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 61,
    "stn_id": "CCSW3",
    "water_depth": 165,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0908",
    "depth": 165.0,
    "PO4": 1.9,
    "SiOH4": 21.4,
    "NO3_NO2": 28.1,
    "NO2": 0.01,
    "NH4": 0.75,
    "NO3": 28.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2486, 59.5862] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "CCSW4",
    "water_depth": 185,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0946",
    "depth": 0.0,
    "PO4": 0.81,
    "SiOH4": 6.36,
    "NO3_NO2": 9.03,
    "NO2": 0.41,
    "NH4": 0.98,
    "NO3": 8.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2486, 59.5862] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "CCSW4",
    "water_depth": 185,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0946",
    "depth": 10.0,
    "PO4": 0.91,
    "SiOH4": 6.36,
    "NO3_NO2": 9.08,
    "NO2": 0.48,
    "NH4": 0.92,
    "NO3": 8.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2486, 59.5862] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "CCSW4",
    "water_depth": 185,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0946",
    "depth": 20.0,
    "PO4": 0.93,
    "SiOH4": 6.72,
    "NO3_NO2": 9.34,
    "NO2": 0.42,
    "NH4": 0.92,
    "NO3": 8.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2486, 59.5862] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "CCSW4",
    "water_depth": 185,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0946",
    "depth": 30.0,
    "PO4": 1.02,
    "SiOH4": 8.87,
    "NO3_NO2": 11.29,
    "NO2": 0.6,
    "NH4": 1.01,
    "NO3": 10.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2486, 59.5862] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "CCSW4",
    "water_depth": 185,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0946",
    "depth": 40.0,
    "PO4": 1.12,
    "SiOH4": 10.66,
    "NO3_NO2": 12.82,
    "NO2": 0.49,
    "NH4": 1.1,
    "NO3": 12.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2486, 59.5862] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "CCSW4",
    "water_depth": 185,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0946",
    "depth": 50.0,
    "PO4": 1.21,
    "SiOH4": 12.81,
    "NO3_NO2": 14.82,
    "NO2": 0.41,
    "NH4": 0.79,
    "NO3": 14.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2486, 59.5862] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "CCSW4",
    "water_depth": 185,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0946",
    "depth": 75.0,
    "PO4": 1.51,
    "SiOH4": 17.21,
    "NO3_NO2": 20.1,
    "NO2": 0.07,
    "NH4": 1.73,
    "NO3": 20.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2486, 59.5862] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "CCSW4",
    "water_depth": 185,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0946",
    "depth": 100.0,
    "PO4": 1.66,
    "SiOH4": 20.34,
    "NO3_NO2": 22.58,
    "NO2": 0.03,
    "NH4": 1.17,
    "NO3": 22.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2486, 59.5862] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "CCSW4",
    "water_depth": 185,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "0946",
    "depth": 182.0,
    "PO4": 1.88,
    "SiOH4": 27.15,
    "NO3_NO2": 26.96,
    "NO2": 0.24,
    "NH4": 0.82,
    "NO3": 26.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3349, 59.5446] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 63,
    "stn_id": "CCSW5",
    "water_depth": 189,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1028",
    "depth": 0.0,
    "PO4": 0.87,
    "SiOH4": 11.96,
    "NO3_NO2": 10.94,
    "NO2": 0.92,
    "NH4": 1.06,
    "NO3": 10.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3349, 59.5446] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 63,
    "stn_id": "CCSW5",
    "water_depth": 189,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1028",
    "depth": 10.0,
    "PO4": 0.94,
    "SiOH4": 12.1,
    "NO3_NO2": 11.04,
    "NO2": 0.86,
    "NH4": 1.05,
    "NO3": 10.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3349, 59.5446] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 63,
    "stn_id": "CCSW5",
    "water_depth": 189,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1028",
    "depth": 20.0,
    "PO4": 0.98,
    "SiOH4": 12.32,
    "NO3_NO2": 11.25,
    "NO2": 0.77,
    "NH4": 1.09,
    "NO3": 10.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3349, 59.5446] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 63,
    "stn_id": "CCSW5",
    "water_depth": 189,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1028",
    "depth": 30.0,
    "PO4": 1.0,
    "SiOH4": 12.55,
    "NO3_NO2": 11.4,
    "NO2": 0.66,
    "NH4": 0.74,
    "NO3": 10.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3349, 59.5446] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 63,
    "stn_id": "CCSW5",
    "water_depth": 189,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1028",
    "depth": 40.0,
    "PO4": 1.03,
    "SiOH4": 13.58,
    "NO3_NO2": 12.13,
    "NO2": 0.6,
    "NH4": 1.28,
    "NO3": 11.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3349, 59.5446] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 63,
    "stn_id": "CCSW5",
    "water_depth": 189,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1028",
    "depth": 50.0,
    "PO4": 1.15,
    "SiOH4": 15.59,
    "NO3_NO2": 14.61,
    "NO2": 0.33,
    "NH4": 0.63,
    "NO3": 14.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3349, 59.5446] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 63,
    "stn_id": "CCSW5",
    "water_depth": 189,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1028",
    "depth": 75.0,
    "PO4": 1.36,
    "SiOH4": 19.13,
    "NO3_NO2": 18.46,
    "NO2": 0.31,
    "NH4": 0.82,
    "NO3": 18.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3349, 59.5446] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 63,
    "stn_id": "CCSW5",
    "water_depth": 189,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1028",
    "depth": 100.0,
    "PO4": 1.57,
    "SiOH4": 23.39,
    "NO3_NO2": 22.32,
    "NO2": 0.15,
    "NH4": 1.1,
    "NO3": 22.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3349, 59.5446] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 63,
    "stn_id": "CCSW5",
    "water_depth": 189,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1028",
    "depth": 191.0,
    "PO4": 1.84,
    "SiOH4": 30.96,
    "NO3_NO2": 27.18,
    "NO2": 0.04,
    "NH4": 1.0,
    "NO3": 27.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3352, 59.6253] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 64,
    "stn_id": "PWSW6",
    "water_depth": 192,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1111",
    "depth": 0.0,
    "PO4": 0.63,
    "SiOH4": 2.7,
    "NO3_NO2": 9.03,
    "NO2": 0.18,
    "NH4": 0.98,
    "NO3": 8.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3352, 59.6253] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 64,
    "stn_id": "PWSW6",
    "water_depth": 192,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1111",
    "depth": 10.0,
    "PO4": 0.78,
    "SiOH4": 2.99,
    "NO3_NO2": 9.08,
    "NO2": 0.2,
    "NH4": 0.91,
    "NO3": 8.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3352, 59.6253] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 64,
    "stn_id": "PWSW6",
    "water_depth": 192,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1111",
    "depth": 20.0,
    "PO4": 0.8,
    "SiOH4": 3.36,
    "NO3_NO2": 9.08,
    "NO2": 0.26,
    "NH4": 0.95,
    "NO3": 8.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3352, 59.6253] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 64,
    "stn_id": "PWSW6",
    "water_depth": 192,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1111",
    "depth": 30.0,
    "PO4": 0.85,
    "SiOH4": 3.55,
    "NO3_NO2": 9.23,
    "NO2": 0.3,
    "NH4": 1.04,
    "NO3": 8.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3352, 59.6253] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 64,
    "stn_id": "PWSW6",
    "water_depth": 192,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1111",
    "depth": 40.0,
    "PO4": 0.96,
    "SiOH4": 4.64,
    "NO3_NO2": 10.65,
    "NO2": 0.34,
    "NH4": 1.07,
    "NO3": 10.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3352, 59.6253] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 64,
    "stn_id": "PWSW6",
    "water_depth": 192,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1111",
    "depth": 50.0,
    "PO4": 1.03,
    "SiOH4": 6.54,
    "NO3_NO2": 12.55,
    "NO2": 0.38,
    "NH4": 1.46,
    "NO3": 12.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3352, 59.6253] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 64,
    "stn_id": "PWSW6",
    "water_depth": 192,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1111",
    "depth": 75.0,
    "PO4": 1.23,
    "SiOH4": 9.24,
    "NO3_NO2": 15.55,
    "NO2": 0.17,
    "NH4": 1.0,
    "NO3": 15.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3352, 59.6253] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 64,
    "stn_id": "PWSW6",
    "water_depth": 192,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1111",
    "depth": 100.0,
    "PO4": 1.54,
    "SiOH4": 14.63,
    "NO3_NO2": 20.99,
    "NO2": 0.12,
    "NH4": 0.94,
    "NO3": 20.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3352, 59.6253] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 64,
    "stn_id": "PWSW6",
    "water_depth": 192,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1111",
    "depth": 191.0,
    "PO4": 2.02,
    "SiOH4": 22.35,
    "NO3_NO2": 28.39,
    "NO2": 0.25,
    "NH4": 1.02,
    "NO3": 28.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3349, 59.7079] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 65,
    "stn_id": "PWSW5",
    "water_depth": 175,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1157",
    "depth": 0.0,
    "PO4": 0.72,
    "SiOH4": 7.85,
    "NO3_NO2": 9.09,
    "NO2": 0.41,
    "NH4": 1.26,
    "NO3": 8.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3349, 59.7079] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 65,
    "stn_id": "PWSW5",
    "water_depth": 175,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1157",
    "depth": 10.0,
    "PO4": 0.89,
    "SiOH4": 8.22,
    "NO3_NO2": 9.3,
    "NO2": 0.43,
    "NH4": 1.49,
    "NO3": 8.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3349, 59.7079] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 65,
    "stn_id": "PWSW5",
    "water_depth": 175,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1157",
    "depth": 20.0,
    "PO4": 0.91,
    "SiOH4": 8.23,
    "NO3_NO2": 9.34,
    "NO2": 0.48,
    "NH4": 1.48,
    "NO3": 8.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3349, 59.7079] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 65,
    "stn_id": "PWSW5",
    "water_depth": 175,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1157",
    "depth": 30.0,
    "PO4": 0.91,
    "SiOH4": 8.43,
    "NO3_NO2": 9.44,
    "NO2": 0.5,
    "NH4": 1.41,
    "NO3": 8.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3349, 59.7079] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 65,
    "stn_id": "PWSW5",
    "water_depth": 175,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1157",
    "depth": 40.0,
    "PO4": 0.93,
    "SiOH4": 8.26,
    "NO3_NO2": 10.02,
    "NO2": 0.48,
    "NH4": 0.91,
    "NO3": 9.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3349, 59.7079] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 65,
    "stn_id": "PWSW5",
    "water_depth": 175,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1157",
    "depth": 50.0,
    "PO4": 0.94,
    "SiOH4": 9.08,
    "NO3_NO2": 10.44,
    "NO2": 0.52,
    "NH4": 1.29,
    "NO3": 9.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3349, 59.7079] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 65,
    "stn_id": "PWSW5",
    "water_depth": 175,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1157",
    "depth": 75.0,
    "PO4": 1.28,
    "SiOH4": 14.03,
    "NO3_NO2": 15.82,
    "NO2": 0.25,
    "NH4": 1.33,
    "NO3": 15.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3349, 59.7079] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 65,
    "stn_id": "PWSW5",
    "water_depth": 175,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1157",
    "depth": 100.0,
    "PO4": 1.55,
    "SiOH4": 19.69,
    "NO3_NO2": 20.57,
    "NO2": 0.11,
    "NH4": 0.47,
    "NO3": 20.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3349, 59.7079] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 65,
    "stn_id": "PWSW5",
    "water_depth": 175,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1157",
    "depth": 175.0,
    "PO4": 1.98,
    "SiOH4": 30.54,
    "NO3_NO2": 28.18,
    "NO2": 0.16,
    "NH4": 0.85,
    "NO3": 28.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3349, 59.7742] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 66,
    "stn_id": "PWSW4",
    "water_depth": 124,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1238",
    "depth": 0.0,
    "PO4": 0.52,
    "SiOH4": 9.3,
    "NO3_NO2": 8.03,
    "NO2": 0.37,
    "NH4": 0.97,
    "NO3": 7.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3349, 59.7742] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 66,
    "stn_id": "PWSW4",
    "water_depth": 124,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1238",
    "depth": 10.0,
    "PO4": 0.67,
    "SiOH4": 9.46,
    "NO3_NO2": 8.08,
    "NO2": 0.32,
    "NH4": 1.04,
    "NO3": 7.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3349, 59.7742] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 66,
    "stn_id": "PWSW4",
    "water_depth": 124,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1238",
    "depth": 20.0,
    "PO4": 0.75,
    "SiOH4": 9.08,
    "NO3_NO2": 8.38,
    "NO2": 0.25,
    "NH4": 1.1,
    "NO3": 8.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3349, 59.7742] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 66,
    "stn_id": "PWSW4",
    "water_depth": 124,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1238",
    "depth": 30.0,
    "PO4": 0.76,
    "SiOH4": 9.95,
    "NO3_NO2": 9.21,
    "NO2": 0.23,
    "NH4": 1.43,
    "NO3": 8.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3349, 59.7742] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 66,
    "stn_id": "PWSW4",
    "water_depth": 124,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1238",
    "depth": 40.0,
    "PO4": 0.86,
    "SiOH4": 11.64,
    "NO3_NO2": 11.12,
    "NO2": 0.18,
    "NH4": 1.55,
    "NO3": 10.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3349, 59.7742] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 66,
    "stn_id": "PWSW4",
    "water_depth": 124,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1238",
    "depth": 50.0,
    "PO4": 0.94,
    "SiOH4": 11.97,
    "NO3_NO2": 12.01,
    "NO2": 0.16,
    "NH4": 1.83,
    "NO3": 11.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3349, 59.7742] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 66,
    "stn_id": "PWSW4",
    "water_depth": 124,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1238",
    "depth": 75.0,
    "PO4": 1.14,
    "SiOH4": 14.55,
    "NO3_NO2": 15.36,
    "NO2": 0.01,
    "NH4": 1.63,
    "NO3": 15.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3349, 59.7742] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 66,
    "stn_id": "PWSW4",
    "water_depth": 124,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1238",
    "depth": 100.0,
    "PO4": 1.39,
    "SiOH4": 20.53,
    "NO3_NO2": 20.99,
    "NO2": 0.02,
    "NH4": 1.8,
    "NO3": 20.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3349, 59.7742] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 66,
    "stn_id": "PWSW4",
    "water_depth": 124,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1238",
    "depth": 124.0,
    "PO4": 1.86,
    "SiOH4": 31.8,
    "NO3_NO2": 30.47,
    "NO2": 0.02,
    "NH4": 1.87,
    "NO3": 30.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3351, 59.824] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 67,
    "stn_id": "PWSW3",
    "water_depth": 122,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1313",
    "depth": 0.0,
    "PO4": 0.57,
    "SiOH4": 8.66,
    "NO3_NO2": 7.47,
    "NO2": 0.26,
    "NH4": 2.73,
    "NO3": 7.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3351, 59.824] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 67,
    "stn_id": "PWSW3",
    "water_depth": 122,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1313",
    "depth": 10.0,
    "PO4": 0.66,
    "SiOH4": 8.64,
    "NO3_NO2": 7.7,
    "NO2": 0.27,
    "NH4": 2.42,
    "NO3": 7.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3351, 59.824] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 67,
    "stn_id": "PWSW3",
    "water_depth": 122,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1313",
    "depth": 20.0,
    "PO4": 0.72,
    "SiOH4": 8.8,
    "NO3_NO2": 7.93,
    "NO2": 0.29,
    "NH4": 2.49,
    "NO3": 7.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3351, 59.824] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 67,
    "stn_id": "PWSW3",
    "water_depth": 122,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1313",
    "depth": 30.0,
    "PO4": 0.73,
    "SiOH4": 9.32,
    "NO3_NO2": 8.52,
    "NO2": 0.34,
    "NH4": 3.14,
    "NO3": 8.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3351, 59.824] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 67,
    "stn_id": "PWSW3",
    "water_depth": 122,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1313",
    "depth": 40.0,
    "PO4": 0.76,
    "SiOH4": 9.75,
    "NO3_NO2": 9.05,
    "NO2": 0.37,
    "NH4": 3.2,
    "NO3": 8.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3351, 59.824] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 67,
    "stn_id": "PWSW3",
    "water_depth": 122,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1313",
    "depth": 50.0,
    "PO4": 0.83,
    "SiOH4": 10.53,
    "NO3_NO2": 9.94,
    "NO2": 0.32,
    "NH4": 3.16,
    "NO3": 9.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3351, 59.824] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 67,
    "stn_id": "PWSW3",
    "water_depth": 122,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1313",
    "depth": 75.0,
    "PO4": 1.21,
    "SiOH4": 16.78,
    "NO3_NO2": 17.56,
    "NO2": 0.03,
    "NH4": 2.64,
    "NO3": 17.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3351, 59.824] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 67,
    "stn_id": "PWSW3",
    "water_depth": 122,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1313",
    "depth": 100.0,
    "PO4": 1.31,
    "SiOH4": 19.79,
    "NO3_NO2": 19.58,
    "NO2": 0.01,
    "NH4": 2.61,
    "NO3": 19.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3351, 59.824] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 67,
    "stn_id": "PWSW3",
    "water_depth": 122,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1313",
    "depth": 120.0,
    "PO4": 1.41,
    "SiOH4": 20.71,
    "NO3_NO2": 21.51,
    "NO2": 0.01,
    "NH4": 2.5,
    "NO3": 21.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3363, 59.874] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 68,
    "stn_id": "PWSW2",
    "water_depth": 77,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1349",
    "depth": 0.0,
    "PO4": 0.45,
    "SiOH4": 7.04,
    "NO3_NO2": 6.01,
    "NO2": 0.28,
    "NH4": 2.31,
    "NO3": 5.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3363, 59.874] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 68,
    "stn_id": "PWSW2",
    "water_depth": 77,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1349",
    "depth": 10.0,
    "PO4": 0.59,
    "SiOH4": 7.92,
    "NO3_NO2": 6.48,
    "NO2": 0.26,
    "NH4": 1.84,
    "NO3": 6.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3363, 59.874] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 68,
    "stn_id": "PWSW2",
    "water_depth": 77,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1349",
    "depth": 20.0,
    "PO4": 0.62,
    "SiOH4": 9.24,
    "NO3_NO2": 7.97,
    "NO2": 0.36,
    "NH4": 2.01,
    "NO3": 7.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3363, 59.874] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 68,
    "stn_id": "PWSW2",
    "water_depth": 77,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1349",
    "depth": 30.0,
    "PO4": 0.65,
    "SiOH4": 9.4,
    "NO3_NO2": 8.32,
    "NO2": 0.31,
    "NH4": 1.92,
    "NO3": 8.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3363, 59.874] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 68,
    "stn_id": "PWSW2",
    "water_depth": 77,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1349",
    "depth": 40.0,
    "PO4": 0.65,
    "SiOH4": 9.56,
    "NO3_NO2": 8.67,
    "NO2": 0.29,
    "NH4": 2.04,
    "NO3": 8.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3363, 59.874] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 68,
    "stn_id": "PWSW2",
    "water_depth": 77,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1349",
    "depth": 50.0,
    "PO4": 0.99,
    "SiOH4": 13.48,
    "NO3_NO2": 13.28,
    "NO2": 0.22,
    "NH4": 1.68,
    "NO3": 13.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3363, 59.874] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 68,
    "stn_id": "PWSW2",
    "water_depth": 77,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1349",
    "depth": 80.0,
    "PO4": 1.18,
    "SiOH4": 16.78,
    "NO3_NO2": 16.75,
    "NO2": 0.19,
    "NH4": 1.48,
    "NO3": 16.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3356, 59.9242] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 69,
    "stn_id": "PWSW1",
    "water_depth": 96,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1425",
    "depth": 0.0,
    "PO4": 0.36,
    "SiOH4": 8.5,
    "NO3_NO2": 6.48,
    "NO2": 0.35,
    "NH4": 1.01,
    "NO3": 6.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3356, 59.9242] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 69,
    "stn_id": "PWSW1",
    "water_depth": 96,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1425",
    "depth": 10.0,
    "PO4": 0.45,
    "SiOH4": 8.4,
    "NO3_NO2": 6.05,
    "NO2": 0.46,
    "NH4": 0.48,
    "NO3": 5.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3356, 59.9242] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 69,
    "stn_id": "PWSW1",
    "water_depth": 96,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1425",
    "depth": 20.0,
    "PO4": 0.47,
    "SiOH4": 9.1,
    "NO3_NO2": 6.53,
    "NO2": 0.47,
    "NH4": 0.53,
    "NO3": 6.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3356, 59.9242] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 69,
    "stn_id": "PWSW1",
    "water_depth": 96,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1425",
    "depth": 30.0,
    "PO4": 0.61,
    "SiOH4": 10.26,
    "NO3_NO2": 8.33,
    "NO2": 0.48,
    "NH4": 0.59,
    "NO3": 7.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3356, 59.9242] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 69,
    "stn_id": "PWSW1",
    "water_depth": 96,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1425",
    "depth": 40.0,
    "PO4": 0.79,
    "SiOH4": 12.57,
    "NO3_NO2": 11.2,
    "NO2": 0.34,
    "NH4": 0.85,
    "NO3": 10.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3356, 59.9242] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 69,
    "stn_id": "PWSW1",
    "water_depth": 96,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1425",
    "depth": 50.0,
    "PO4": 0.82,
    "SiOH4": 13.55,
    "NO3_NO2": 12.04,
    "NO2": 0.25,
    "NH4": 1.17,
    "NO3": 11.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3356, 59.9242] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 69,
    "stn_id": "PWSW1",
    "water_depth": 96,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1425",
    "depth": 75.0,
    "PO4": 1.1,
    "SiOH4": 18.55,
    "NO3_NO2": 17.26,
    "NO2": 0.09,
    "NH4": 0.96,
    "NO3": 17.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3356, 59.9242] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 69,
    "stn_id": "PWSW1",
    "water_depth": 96,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1425",
    "depth": 92.0,
    "PO4": 1.27,
    "SiOH4": 21.32,
    "NO3_NO2": 20.13,
    "NO2": 0.0,
    "NH4": 1.28,
    "NO3": 20.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9152, 59.958] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 70,
    "stn_id": "MS1",
    "water_depth": 174,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1620",
    "depth": 0.0,
    "PO4": 0.29,
    "SiOH4": 7.51,
    "NO3_NO2": 4.58,
    "NO2": 0.4,
    "NH4": 1.22,
    "NO3": 4.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9152, 59.958] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 70,
    "stn_id": "MS1",
    "water_depth": 174,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1620",
    "depth": 10.0,
    "PO4": 0.36,
    "SiOH4": 8.57,
    "NO3_NO2": 5.54,
    "NO2": 0.63,
    "NH4": 1.52,
    "NO3": 4.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9152, 59.958] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 70,
    "stn_id": "MS1",
    "water_depth": 174,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1620",
    "depth": 20.0,
    "PO4": 0.4,
    "SiOH4": 9.63,
    "NO3_NO2": 6.68,
    "NO2": 0.66,
    "NH4": 1.34,
    "NO3": 6.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9152, 59.958] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 70,
    "stn_id": "MS1",
    "water_depth": 174,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1620",
    "depth": 30.0,
    "PO4": 0.63,
    "SiOH4": 10.16,
    "NO3_NO2": 8.47,
    "NO2": 0.55,
    "NH4": 1.21,
    "NO3": 7.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9152, 59.958] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 70,
    "stn_id": "MS1",
    "water_depth": 174,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1620",
    "depth": 40.0,
    "PO4": 0.66,
    "SiOH4": 10.77,
    "NO3_NO2": 9.37,
    "NO2": 0.51,
    "NH4": 1.13,
    "NO3": 8.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9152, 59.958] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 70,
    "stn_id": "MS1",
    "water_depth": 174,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1620",
    "depth": 50.0,
    "PO4": 0.73,
    "SiOH4": 11.48,
    "NO3_NO2": 10.27,
    "NO2": 0.4,
    "NH4": 0.9,
    "NO3": 9.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9152, 59.958] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 70,
    "stn_id": "MS1",
    "water_depth": 174,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1620",
    "depth": 75.0,
    "PO4": 1.22,
    "SiOH4": 21.14,
    "NO3_NO2": 19.8,
    "NO2": 0.21,
    "NH4": 0.71,
    "NO3": 19.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9152, 59.958] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 70,
    "stn_id": "MS1",
    "water_depth": 174,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1620",
    "depth": 100.0,
    "PO4": 1.38,
    "SiOH4": 24.8,
    "NO3_NO2": 23.4,
    "NO2": 0.19,
    "NH4": 1.0,
    "NO3": 23.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9152, 59.958] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 70,
    "stn_id": "MS1",
    "water_depth": 174,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1620",
    "depth": 150.0,
    "PO4": 1.66,
    "SiOH4": 31.87,
    "NO3_NO2": 28.56,
    "NO2": 0.11,
    "NH4": 0.61,
    "NO3": 28.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9152, 59.958] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 70,
    "stn_id": "MS1",
    "water_depth": 174,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1620",
    "depth": 175.0,
    "PO4": 1.79,
    "SiOH4": 34.9,
    "NO3_NO2": 30.48,
    "NO2": 0.15,
    "NH4": 0.43,
    "NO3": 30.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8952, 59.9434] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 71,
    "stn_id": "MS2",
    "water_depth": 186,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1646",
    "depth": 0.0,
    "PO4": 0.26,
    "SiOH4": 6.4,
    "NO3_NO2": 3.58,
    "NO2": 0.6,
    "NH4": 0.26,
    "NO3": 2.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8952, 59.9434] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 71,
    "stn_id": "MS2",
    "water_depth": 186,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1646",
    "depth": 10.0,
    "PO4": 0.39,
    "SiOH4": 8.0,
    "NO3_NO2": 5.14,
    "NO2": 0.59,
    "NH4": 0.03,
    "NO3": 4.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8952, 59.9434] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 71,
    "stn_id": "MS2",
    "water_depth": 186,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1646",
    "depth": 20.0,
    "PO4": 0.54,
    "SiOH4": 9.69,
    "NO3_NO2": 7.42,
    "NO2": 0.85,
    "NH4": 0.02,
    "NO3": 6.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8952, 59.9434] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 71,
    "stn_id": "MS2",
    "water_depth": 186,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1646",
    "depth": 30.0,
    "PO4": 0.63,
    "SiOH4": 10.93,
    "NO3_NO2": 8.37,
    "NO2": 0.77,
    "NH4": 0.05,
    "NO3": 7.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8952, 59.9434] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 71,
    "stn_id": "MS2",
    "water_depth": 186,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1646",
    "depth": 40.0,
    "PO4": 0.68,
    "SiOH4": 11.9,
    "NO3_NO2": 9.57,
    "NO2": 0.67,
    "NH4": 0.14,
    "NO3": 8.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8952, 59.9434] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 71,
    "stn_id": "MS2",
    "water_depth": 186,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1646",
    "depth": 50.0,
    "PO4": 0.89,
    "SiOH4": 14.49,
    "NO3_NO2": 13.59,
    "NO2": 0.31,
    "NH4": 0.02,
    "NO3": 13.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8952, 59.9434] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 71,
    "stn_id": "MS2",
    "water_depth": 186,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1646",
    "depth": 75.0,
    "PO4": 1.26,
    "SiOH4": 22.0,
    "NO3_NO2": 20.96,
    "NO2": 0.23,
    "NH4": 0.01,
    "NO3": 20.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8952, 59.9434] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 71,
    "stn_id": "MS2",
    "water_depth": 186,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1646",
    "depth": 100.0,
    "PO4": 1.44,
    "SiOH4": 24.86,
    "NO3_NO2": 23.78,
    "NO2": 0.22,
    "NH4": 0.05,
    "NO3": 23.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8952, 59.9434] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 71,
    "stn_id": "MS2",
    "water_depth": 186,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1646",
    "depth": 150.0,
    "PO4": 1.79,
    "SiOH4": 34.7,
    "NO3_NO2": 30.5,
    "NO2": 0.14,
    "NH4": 0.24,
    "NO3": 30.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8952, 59.9434] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 71,
    "stn_id": "MS2",
    "water_depth": 186,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1646",
    "depth": 175.0,
    "PO4": 1.87,
    "SiOH4": 37.11,
    "NO3_NO2": 32.05,
    "NO2": 0.11,
    "NH4": 0.44,
    "NO3": 31.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8593, 59.9316] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "MS3",
    "water_depth": 166,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1717",
    "depth": 0.0,
    "PO4": 0.33,
    "SiOH4": 7.29,
    "NO3_NO2": 4.25,
    "NO2": 0.27,
    "NH4": 0.53,
    "NO3": 3.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8593, 59.9316] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "MS3",
    "water_depth": 166,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1717",
    "depth": 10.0,
    "PO4": 0.55,
    "SiOH4": 9.92,
    "NO3_NO2": 6.82,
    "NO2": 0.5,
    "NH4": 0.59,
    "NO3": 6.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8593, 59.9316] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "MS3",
    "water_depth": 166,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1717",
    "depth": 20.0,
    "PO4": 0.63,
    "SiOH4": 10.76,
    "NO3_NO2": 7.46,
    "NO2": 0.52,
    "NH4": 0.96,
    "NO3": 6.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8593, 59.9316] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "MS3",
    "water_depth": 166,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1717",
    "depth": 30.0,
    "PO4": 0.71,
    "SiOH4": 11.6,
    "NO3_NO2": 8.47,
    "NO2": 0.35,
    "NH4": 1.01,
    "NO3": 8.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8593, 59.9316] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "MS3",
    "water_depth": 166,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1717",
    "depth": 40.0,
    "PO4": 0.77,
    "SiOH4": 11.99,
    "NO3_NO2": 9.48,
    "NO2": 0.41,
    "NH4": 0.96,
    "NO3": 9.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8593, 59.9316] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "MS3",
    "water_depth": 166,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1717",
    "depth": 50.0,
    "PO4": 0.83,
    "SiOH4": 13.64,
    "NO3_NO2": 11.21,
    "NO2": 0.24,
    "NH4": 0.9,
    "NO3": 10.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8593, 59.9316] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "MS3",
    "water_depth": 166,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1717",
    "depth": 75.0,
    "PO4": 1.29,
    "SiOH4": 21.2,
    "NO3_NO2": 20.62,
    "NO2": 0.02,
    "NH4": 0.48,
    "NO3": 20.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8593, 59.9316] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "MS3",
    "water_depth": 166,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1717",
    "depth": 100.0,
    "PO4": 1.47,
    "SiOH4": 24.28,
    "NO3_NO2": 23.67,
    "NO2": 0.02,
    "NH4": 0.59,
    "NO3": 23.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8593, 59.9316] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "MS3",
    "water_depth": 166,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1717",
    "depth": 150.0,
    "PO4": 1.76,
    "SiOH4": 31.57,
    "NO3_NO2": 29.06,
    "NO2": 0.02,
    "NH4": 0.64,
    "NO3": 29.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8593, 59.9316] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "MS3",
    "water_depth": 166,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1717",
    "depth": 175.0,
    "PO4": 1.82,
    "SiOH4": 32.14,
    "NO3_NO2": 29.52,
    "NO2": 0.0,
    "NH4": 0.59,
    "NO3": 29.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8295, 59.9206] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 73,
    "stn_id": "MS4",
    "water_depth": 107,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1755",
    "depth": 0.0,
    "PO4": 0.53,
    "SiOH4": 9.23,
    "NO3_NO2": 6.76,
    "NO2": 0.49,
    "NH4": 0.53,
    "NO3": 6.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8295, 59.9206] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 73,
    "stn_id": "MS4",
    "water_depth": 107,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1755",
    "depth": 10.0,
    "PO4": 0.62,
    "SiOH4": 9.98,
    "NO3_NO2": 7.41,
    "NO2": 0.52,
    "NH4": 0.69,
    "NO3": 6.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8295, 59.9206] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 73,
    "stn_id": "MS4",
    "water_depth": 107,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1755",
    "depth": 20.0,
    "PO4": 0.65,
    "SiOH4": 10.11,
    "NO3_NO2": 7.76,
    "NO2": 0.57,
    "NH4": 0.9,
    "NO3": 7.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8295, 59.9206] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 73,
    "stn_id": "MS4",
    "water_depth": 107,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1755",
    "depth": 30.0,
    "PO4": 0.7,
    "SiOH4": 10.5,
    "NO3_NO2": 8.53,
    "NO2": 0.55,
    "NH4": 0.96,
    "NO3": 7.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8295, 59.9206] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 73,
    "stn_id": "MS4",
    "water_depth": 107,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1755",
    "depth": 40.0,
    "PO4": 0.74,
    "SiOH4": 11.25,
    "NO3_NO2": 9.29,
    "NO2": 0.5,
    "NH4": 0.85,
    "NO3": 8.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8295, 59.9206] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 73,
    "stn_id": "MS4",
    "water_depth": 107,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1755",
    "depth": 50.0,
    "PO4": 0.87,
    "SiOH4": 13.79,
    "NO3_NO2": 12.22,
    "NO2": 0.38,
    "NH4": 0.59,
    "NO3": 11.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8295, 59.9206] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 73,
    "stn_id": "MS4",
    "water_depth": 107,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1755",
    "depth": 75.0,
    "PO4": 1.13,
    "SiOH4": 15.62,
    "NO3_NO2": 16.71,
    "NO2": 0.19,
    "NH4": 0.37,
    "NO3": 16.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8295, 59.9206] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 73,
    "stn_id": "MS4",
    "water_depth": 107,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "1755",
    "depth": 100.0,
    "PO4": 1.43,
    "SiOH4": 19.23,
    "NO3_NO2": 23.0,
    "NO2": 0.07,
    "NH4": 0.48,
    "NO3": 22.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4488, 60.1338] },
  "properties": {
    "cruise_id": "HX225",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 78,
    "stn_id": "HB5",
    "water_depth": 41,
    "month_gmt": "10",
    "day_gmt": "11",
    "time_gmt": "2144",
    "depth": 37.0,
    "PO4": 0.58,
    "SiOH4": null,
    "NO3_NO2": 9.12,
    "NO2": 0.41,
    "NH4": 1.05,
    "NO3": 8.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3587, 60.0232] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "11",
    "day_gmt": "30",
    "time_gmt": "1943",
    "depth": 2.0,
    "PO4": 0.83,
    "SiOH4": 15.53,
    "NO3_NO2": 9.63,
    "NO2": 0.24,
    "NH4": 1.85,
    "NO3": 9.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3587, 60.0232] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "11",
    "day_gmt": "30",
    "time_gmt": "1943",
    "depth": 11.0,
    "PO4": 0.92,
    "SiOH4": 16.19,
    "NO3_NO2": 10.1,
    "NO2": 0.2,
    "NH4": 1.67,
    "NO3": 9.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3587, 60.0232] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "11",
    "day_gmt": "30",
    "time_gmt": "1943",
    "depth": 21.0,
    "PO4": 0.95,
    "SiOH4": 16.31,
    "NO3_NO2": 10.24,
    "NO2": 0.19,
    "NH4": 1.11,
    "NO3": 10.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3587, 60.0232] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "11",
    "day_gmt": "30",
    "time_gmt": "1943",
    "depth": 31.0,
    "PO4": 1.0,
    "SiOH4": 16.44,
    "NO3_NO2": 10.32,
    "NO2": 0.2,
    "NH4": 1.11,
    "NO3": 10.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3587, 60.0232] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "11",
    "day_gmt": "30",
    "time_gmt": "1943",
    "depth": 40.0,
    "PO4": 1.07,
    "SiOH4": 17.23,
    "NO3_NO2": 11.21,
    "NO2": 0.31,
    "NH4": 1.11,
    "NO3": 10.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3587, 60.0232] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "11",
    "day_gmt": "30",
    "time_gmt": "1943",
    "depth": 51.0,
    "PO4": 1.13,
    "SiOH4": 17.62,
    "NO3_NO2": 12.05,
    "NO2": 0.22,
    "NH4": 1.48,
    "NO3": 11.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3587, 60.0232] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "11",
    "day_gmt": "30",
    "time_gmt": "1943",
    "depth": 101.0,
    "PO4": 1.31,
    "SiOH4": 21.2,
    "NO3_NO2": 15.1,
    "NO2": 0.21,
    "NH4": 1.48,
    "NO3": 14.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3587, 60.0232] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "11",
    "day_gmt": "30",
    "time_gmt": "1943",
    "depth": 149.0,
    "PO4": 1.61,
    "SiOH4": 27.03,
    "NO3_NO2": 19.42,
    "NO2": 0.17,
    "NH4": 0.0,
    "NO3": 19.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3587, 60.0232] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "11",
    "day_gmt": "30",
    "time_gmt": "1943",
    "depth": 198.0,
    "PO4": 2.02,
    "SiOH4": 36.32,
    "NO3_NO2": 24.83,
    "NO2": 0.28,
    "NH4": 0.37,
    "NO3": 24.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3587, 60.0232] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "11",
    "day_gmt": "30",
    "time_gmt": "1943",
    "depth": 247.0,
    "PO4": 2.12,
    "SiOH4": 40.17,
    "NO3_NO2": 26.47,
    "NO2": 0.24,
    "NH4": 0.37,
    "NO3": 26.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3587, 60.0232] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "11",
    "day_gmt": "30",
    "time_gmt": "1943",
    "depth": 292.0,
    "PO4": null,
    "SiOH4": 43.61,
    "NO3_NO2": 26.89,
    "NO2": 0.25,
    "NH4": 1.3,
    "NO3": 26.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4678, 59.8445] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "11",
    "day_gmt": "30",
    "time_gmt": "2106",
    "depth": 2.0,
    "PO4": 0.85,
    "SiOH4": 15.72,
    "NO3_NO2": 9.29,
    "NO2": 0.32,
    "NH4": 0.19,
    "NO3": 8.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4678, 59.8445] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "11",
    "day_gmt": "30",
    "time_gmt": "2106",
    "depth": 6.0,
    "PO4": 0.87,
    "SiOH4": 15.57,
    "NO3_NO2": 9.38,
    "NO2": 0.22,
    "NH4": 0.37,
    "NO3": 9.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4678, 59.8445] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "11",
    "day_gmt": "30",
    "time_gmt": "2106",
    "depth": 11.0,
    "PO4": 0.88,
    "SiOH4": 15.57,
    "NO3_NO2": 9.47,
    "NO2": 0.39,
    "NH4": 0.37,
    "NO3": 9.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4678, 59.8445] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "11",
    "day_gmt": "30",
    "time_gmt": "2106",
    "depth": 20.0,
    "PO4": 0.84,
    "SiOH4": 15.69,
    "NO3_NO2": 9.51,
    "NO2": 0.27,
    "NH4": 0.19,
    "NO3": 9.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4678, 59.8445] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "11",
    "day_gmt": "30",
    "time_gmt": "2106",
    "depth": 35.0,
    "PO4": 0.9,
    "SiOH4": 16.22,
    "NO3_NO2": 9.89,
    "NO2": 0.23,
    "NH4": 0.19,
    "NO3": 9.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4678, 59.8445] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "11",
    "day_gmt": "30",
    "time_gmt": "2106",
    "depth": 50.0,
    "PO4": 0.93,
    "SiOH4": 16.34,
    "NO3_NO2": 10.91,
    "NO2": 0.19,
    "NH4": 0.37,
    "NO3": 10.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.469, 59.8451] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "11",
    "day_gmt": "30",
    "time_gmt": "2236",
    "depth": 2.0,
    "PO4": 0.85,
    "SiOH4": 16.56,
    "NO3_NO2": 9.64,
    "NO2": 0.15,
    "NH4": 0.47,
    "NO3": 9.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.469, 59.8451] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "11",
    "day_gmt": "30",
    "time_gmt": "2236",
    "depth": 15.0,
    "PO4": 0.91,
    "SiOH4": 16.52,
    "NO3_NO2": 9.5,
    "NO2": 0.13,
    "NH4": 0.26,
    "NO3": 9.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.469, 59.8451] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "11",
    "day_gmt": "30",
    "time_gmt": "2236",
    "depth": 30.0,
    "PO4": 0.92,
    "SiOH4": 16.62,
    "NO3_NO2": 9.69,
    "NO2": 0.12,
    "NH4": 0.43,
    "NO3": 9.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.469, 59.8451] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "11",
    "day_gmt": "30",
    "time_gmt": "2236",
    "depth": 40.0,
    "PO4": 0.94,
    "SiOH4": 16.98,
    "NO3_NO2": 9.92,
    "NO2": 0.12,
    "NH4": 0.37,
    "NO3": 9.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.469, 59.8451] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "11",
    "day_gmt": "30",
    "time_gmt": "2236",
    "depth": 50.0,
    "PO4": 0.95,
    "SiOH4": 17.73,
    "NO3_NO2": 10.11,
    "NO2": 0.12,
    "NH4": 0.23,
    "NO3": 9.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.469, 59.8451] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "11",
    "day_gmt": "30",
    "time_gmt": "2236",
    "depth": 100.0,
    "PO4": 1.24,
    "SiOH4": 23.4,
    "NO3_NO2": 14.25,
    "NO2": 0.09,
    "NH4": 0.26,
    "NO3": 14.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.469, 59.8451] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "11",
    "day_gmt": "30",
    "time_gmt": "2236",
    "depth": 147.0,
    "PO4": 1.49,
    "SiOH4": 29.47,
    "NO3_NO2": 18.48,
    "NO2": 0.19,
    "NH4": 0.4,
    "NO3": 18.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.469, 59.8451] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "11",
    "day_gmt": "30",
    "time_gmt": "2236",
    "depth": 196.0,
    "PO4": 1.81,
    "SiOH4": 37.67,
    "NO3_NO2": 23.18,
    "NO2": 0.07,
    "NH4": 0.48,
    "NO3": 23.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.469, 59.8451] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "11",
    "day_gmt": "30",
    "time_gmt": "2236",
    "depth": 247.0,
    "PO4": 2.1,
    "SiOH4": 45.73,
    "NO3_NO2": 27.13,
    "NO2": 0.11,
    "NH4": 0.94,
    "NO3": 27.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.469, 59.8451] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "11",
    "day_gmt": "30",
    "time_gmt": "2236",
    "depth": 266.0,
    "PO4": 2.21,
    "SiOH4": 47.95,
    "NO3_NO2": 28.49,
    "NO2": 0.14,
    "NH4": 0.74,
    "NO3": 28.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3969, 59.7657] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 259,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "0132",
    "depth": 3.0,
    "PO4": 0.82,
    "SiOH4": 15.55,
    "NO3_NO2": 9.72,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 9.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3969, 59.7657] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 259,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "0132",
    "depth": 11.0,
    "PO4": 0.91,
    "SiOH4": 15.95,
    "NO3_NO2": 9.76,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 9.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3969, 59.7657] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 259,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "0132",
    "depth": 20.0,
    "PO4": 0.9,
    "SiOH4": 15.91,
    "NO3_NO2": 9.75,
    "NO2": 0.47,
    "NH4": null,
    "NO3": 9.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3969, 59.7657] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 259,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "0132",
    "depth": 30.0,
    "PO4": 0.91,
    "SiOH4": 16.19,
    "NO3_NO2": 9.79,
    "NO2": 0.42,
    "NH4": null,
    "NO3": 9.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3969, 59.7657] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 259,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "0132",
    "depth": 40.0,
    "PO4": 0.97,
    "SiOH4": 16.48,
    "NO3_NO2": 10.01,
    "NO2": 0.36,
    "NH4": null,
    "NO3": 9.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3969, 59.7657] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 259,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "0132",
    "depth": 50.0,
    "PO4": 1.03,
    "SiOH4": 17.74,
    "NO3_NO2": 10.88,
    "NO2": 0.37,
    "NH4": null,
    "NO3": 10.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3969, 59.7657] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 259,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "0132",
    "depth": 74.0,
    "PO4": 1.15,
    "SiOH4": 19.67,
    "NO3_NO2": 12.37,
    "NO2": 0.45,
    "NH4": null,
    "NO3": 11.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3969, 59.7657] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 259,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "0132",
    "depth": 99.0,
    "PO4": 1.18,
    "SiOH4": 20.82,
    "NO3_NO2": 13.28,
    "NO2": 0.45,
    "NH4": null,
    "NO3": 12.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3969, 59.7657] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 259,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "0132",
    "depth": 150.0,
    "PO4": 1.34,
    "SiOH4": 22.31,
    "NO3_NO2": 15.25,
    "NO2": 0.43,
    "NH4": null,
    "NO3": 14.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3969, 59.7657] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 259,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "0132",
    "depth": 197.0,
    "PO4": 1.83,
    "SiOH4": 32.95,
    "NO3_NO2": 22.34,
    "NO2": 0.54,
    "NH4": null,
    "NO3": 21.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3969, 59.7657] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 259,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "0132",
    "depth": 255.0,
    "PO4": 2.12,
    "SiOH4": 41.42,
    "NO3_NO2": 26.76,
    "NO2": 0.24,
    "NH4": null,
    "NO3": 26.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3311, 59.691] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 228,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "0227",
    "depth": 3.0,
    "PO4": 0.91,
    "SiOH4": 17.49,
    "NO3_NO2": 11.38,
    "NO2": 0.06,
    "NH4": null,
    "NO3": 11.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3311, 59.691] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 228,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "0227",
    "depth": 11.0,
    "PO4": 1.0,
    "SiOH4": 17.24,
    "NO3_NO2": 11.42,
    "NO2": 0.15,
    "NH4": null,
    "NO3": 11.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3311, 59.691] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 228,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "0227",
    "depth": 20.0,
    "PO4": 1.09,
    "SiOH4": 17.3,
    "NO3_NO2": 11.81,
    "NO2": 0.15,
    "NH4": null,
    "NO3": 11.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3311, 59.691] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 228,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "0227",
    "depth": 33.0,
    "PO4": 1.14,
    "SiOH4": 18.02,
    "NO3_NO2": 12.16,
    "NO2": 0.18,
    "NH4": null,
    "NO3": 11.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3311, 59.691] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 228,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "0227",
    "depth": 41.0,
    "PO4": 1.19,
    "SiOH4": 18.42,
    "NO3_NO2": 12.72,
    "NO2": 0.22,
    "NH4": null,
    "NO3": 12.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3311, 59.691] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 228,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "0227",
    "depth": 49.0,
    "PO4": 1.21,
    "SiOH4": 18.6,
    "NO3_NO2": 12.81,
    "NO2": 0.25,
    "NH4": null,
    "NO3": 12.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3311, 59.691] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 228,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "0227",
    "depth": 74.0,
    "PO4": 1.2,
    "SiOH4": 19.43,
    "NO3_NO2": 13.06,
    "NO2": 0.17,
    "NH4": null,
    "NO3": 12.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3311, 59.691] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 228,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "0227",
    "depth": 102.0,
    "PO4": 1.22,
    "SiOH4": 20.91,
    "NO3_NO2": 13.72,
    "NO2": 0.26,
    "NH4": null,
    "NO3": 13.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3311, 59.691] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 228,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "0227",
    "depth": 150.0,
    "PO4": 1.31,
    "SiOH4": 21.96,
    "NO3_NO2": 15.29,
    "NO2": 0.24,
    "NH4": null,
    "NO3": 15.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9336, 59.9519] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "MS1",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1006",
    "depth": 2.0,
    "PO4": 0.86,
    "SiOH4": 16.31,
    "NO3_NO2": 8.76,
    "NO2": 0.19,
    "NH4": 1.82,
    "NO3": 8.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9336, 59.9519] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "MS1",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1006",
    "depth": 10.0,
    "PO4": 0.93,
    "SiOH4": 16.41,
    "NO3_NO2": 8.93,
    "NO2": 0.19,
    "NH4": 1.83,
    "NO3": 8.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9336, 59.9519] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "MS1",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1006",
    "depth": 20.0,
    "PO4": 0.96,
    "SiOH4": 16.74,
    "NO3_NO2": 8.98,
    "NO2": 0.11,
    "NH4": 1.25,
    "NO3": 8.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9336, 59.9519] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "MS1",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1006",
    "depth": 30.0,
    "PO4": 1.05,
    "SiOH4": 18.44,
    "NO3_NO2": 10.13,
    "NO2": 0.08,
    "NH4": 1.4,
    "NO3": 10.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9336, 59.9519] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "MS1",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1006",
    "depth": 39.0,
    "PO4": 1.13,
    "SiOH4": 19.35,
    "NO3_NO2": 10.86,
    "NO2": 0.05,
    "NH4": 1.19,
    "NO3": 10.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9336, 59.9519] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "MS1",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1006",
    "depth": 51.0,
    "PO4": 1.14,
    "SiOH4": 20.02,
    "NO3_NO2": 11.25,
    "NO2": 0.02,
    "NH4": 1.37,
    "NO3": 11.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9336, 59.9519] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "MS1",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1006",
    "depth": 75.0,
    "PO4": 1.28,
    "SiOH4": 22.29,
    "NO3_NO2": 12.95,
    "NO2": 0.01,
    "NH4": 1.36,
    "NO3": 12.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9336, 59.9519] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "MS1",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1006",
    "depth": 101.0,
    "PO4": 1.49,
    "SiOH4": 25.48,
    "NO3_NO2": 15.19,
    "NO2": 0.01,
    "NH4": 1.0,
    "NO3": 15.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9336, 59.9519] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "MS1",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1006",
    "depth": 126.0,
    "PO4": 1.61,
    "SiOH4": 28.55,
    "NO3_NO2": 17.06,
    "NO2": 0.02,
    "NH4": 0.92,
    "NO3": 17.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9336, 59.9519] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 6,
    "stn_id": "MS1",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1006",
    "depth": 152.0,
    "PO4": 1.8,
    "SiOH4": 32.53,
    "NO3_NO2": 19.56,
    "NO2": 0.02,
    "NH4": 1.05,
    "NO3": 19.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8959, 59.9427] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "MS2",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1052",
    "depth": 3.0,
    "PO4": 1.17,
    "SiOH4": 18.94,
    "NO3_NO2": 11.54,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 11.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8959, 59.9427] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "MS2",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1052",
    "depth": 10.0,
    "PO4": 1.0,
    "SiOH4": 16.42,
    "NO3_NO2": 9.69,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 9.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8959, 59.9427] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "MS2",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1052",
    "depth": 20.0,
    "PO4": 1.09,
    "SiOH4": 16.75,
    "NO3_NO2": 10.29,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 10.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8959, 59.9427] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "MS2",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1052",
    "depth": 28.0,
    "PO4": 1.1,
    "SiOH4": 17.31,
    "NO3_NO2": 10.13,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 10.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8959, 59.9427] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "MS2",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1052",
    "depth": 40.0,
    "PO4": 1.16,
    "SiOH4": 18.44,
    "NO3_NO2": 10.85,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 10.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8959, 59.9427] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "MS2",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1052",
    "depth": 51.0,
    "PO4": 1.24,
    "SiOH4": 20.03,
    "NO3_NO2": 12.04,
    "NO2": 0.21,
    "NH4": null,
    "NO3": 11.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8959, 59.9427] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "MS2",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1052",
    "depth": 79.0,
    "PO4": 1.45,
    "SiOH4": 23.9,
    "NO3_NO2": 14.5,
    "NO2": 0.23,
    "NH4": null,
    "NO3": 14.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8959, 59.9427] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "MS2",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1052",
    "depth": 101.0,
    "PO4": 1.55,
    "SiOH4": 25.72,
    "NO3_NO2": 15.78,
    "NO2": 0.25,
    "NH4": null,
    "NO3": 15.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8959, 59.9427] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "MS2",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1052",
    "depth": 124.0,
    "PO4": 1.69,
    "SiOH4": 27.87,
    "NO3_NO2": 16.8,
    "NO2": 0.32,
    "NH4": null,
    "NO3": 16.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8959, 59.9427] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "MS2",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1052",
    "depth": 150.0,
    "PO4": 1.95,
    "SiOH4": 33.34,
    "NO3_NO2": 19.94,
    "NO2": 0.36,
    "NH4": null,
    "NO3": 19.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8959, 59.9427] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 7,
    "stn_id": "MS2",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1052",
    "depth": 185.0,
    "PO4": 2.06,
    "SiOH4": 36.53,
    "NO3_NO2": 21.42,
    "NO2": 0.43,
    "NH4": null,
    "NO3": 20.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8557, 59.9316] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 8,
    "stn_id": "MS3",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1134",
    "depth": 2.0,
    "PO4": 1.0,
    "SiOH4": 17.66,
    "NO3_NO2": 10.37,
    "NO2": 0.15,
    "NH4": 0.17,
    "NO3": 10.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8557, 59.9316] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 8,
    "stn_id": "MS3",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1134",
    "depth": 10.0,
    "PO4": 1.08,
    "SiOH4": 17.63,
    "NO3_NO2": 10.46,
    "NO2": 0.15,
    "NH4": 0.18,
    "NO3": 10.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8557, 59.9316] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 8,
    "stn_id": "MS3",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1134",
    "depth": 20.0,
    "PO4": 1.16,
    "SiOH4": 18.28,
    "NO3_NO2": 10.9,
    "NO2": 0.13,
    "NH4": 0.19,
    "NO3": 10.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8557, 59.9316] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 8,
    "stn_id": "MS3",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1134",
    "depth": 29.0,
    "PO4": 1.12,
    "SiOH4": 18.7,
    "NO3_NO2": 11.21,
    "NO2": 0.13,
    "NH4": 0.17,
    "NO3": 11.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8557, 59.9316] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 8,
    "stn_id": "MS3",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1134",
    "depth": 42.0,
    "PO4": 1.21,
    "SiOH4": 19.81,
    "NO3_NO2": 12.02,
    "NO2": 0.13,
    "NH4": 0.14,
    "NO3": 11.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8557, 59.9316] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 8,
    "stn_id": "MS3",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1134",
    "depth": 53.0,
    "PO4": 1.3,
    "SiOH4": 21.04,
    "NO3_NO2": 12.88,
    "NO2": 0.13,
    "NH4": 0.2,
    "NO3": 12.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8557, 59.9316] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 8,
    "stn_id": "MS3",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1134",
    "depth": 75.0,
    "PO4": 1.41,
    "SiOH4": 22.72,
    "NO3_NO2": 13.95,
    "NO2": 0.1,
    "NH4": 0.02,
    "NO3": 13.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8557, 59.9316] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 8,
    "stn_id": "MS3",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1134",
    "depth": 101.0,
    "PO4": 1.62,
    "SiOH4": 27.71,
    "NO3_NO2": 17.0,
    "NO2": 0.15,
    "NH4": 0.25,
    "NO3": 16.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8557, 59.9316] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 8,
    "stn_id": "MS3",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1134",
    "depth": 124.0,
    "PO4": 1.79,
    "SiOH4": 29.73,
    "NO3_NO2": 18.49,
    "NO2": 0.18,
    "NH4": 0.13,
    "NO3": 18.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8557, 59.9316] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 8,
    "stn_id": "MS3",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1134",
    "depth": 162.0,
    "PO4": 2.0,
    "SiOH4": 34.49,
    "NO3_NO2": 21.5,
    "NO2": 0.22,
    "NH4": 0.64,
    "NO3": 21.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8302, 59.9206] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1207",
    "depth": 3.0,
    "PO4": 0.97,
    "SiOH4": 23.12,
    "NO3_NO2": 11.47,
    "NO2": 0.21,
    "NH4": 0.29,
    "NO3": 11.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8302, 59.9206] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1207",
    "depth": 11.0,
    "PO4": 1.0,
    "SiOH4": 22.52,
    "NO3_NO2": 11.55,
    "NO2": 0.08,
    "NH4": 0.29,
    "NO3": 11.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8302, 59.9206] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1207",
    "depth": 20.0,
    "PO4": 1.01,
    "SiOH4": 23.02,
    "NO3_NO2": 11.59,
    "NO2": 0.34,
    "NH4": 0.28,
    "NO3": 11.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8302, 59.9206] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1207",
    "depth": 31.0,
    "PO4": 1.1,
    "SiOH4": 24.4,
    "NO3_NO2": 12.37,
    "NO2": 0.25,
    "NH4": 0.27,
    "NO3": 12.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8302, 59.9206] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1207",
    "depth": 40.0,
    "PO4": 1.23,
    "SiOH4": 26.66,
    "NO3_NO2": 13.75,
    "NO2": 0.21,
    "NH4": 0.39,
    "NO3": 13.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8302, 59.9206] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1207",
    "depth": 50.0,
    "PO4": 1.27,
    "SiOH4": 27.71,
    "NO3_NO2": 14.49,
    "NO2": 0.25,
    "NH4": 0.41,
    "NO3": 14.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8302, 59.9206] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1207",
    "depth": 75.0,
    "PO4": 1.39,
    "SiOH4": 30.52,
    "NO3_NO2": 15.87,
    "NO2": 0.3,
    "NH4": 0.42,
    "NO3": 15.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8302, 59.9206] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 9,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1207",
    "depth": 99.0,
    "PO4": 1.47,
    "SiOH4": 33.1,
    "NO3_NO2": 17.04,
    "NO2": 0.28,
    "NH4": 0.37,
    "NO3": 16.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9901, 60.2747] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "KIP2",
    "water_depth": 575,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1538",
    "depth": 2.0,
    "PO4": 0.65,
    "SiOH4": 13.2,
    "NO3_NO2": 7.57,
    "NO2": 0.23,
    "NH4": 0.31,
    "NO3": 7.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9901, 60.2747] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "KIP2",
    "water_depth": 575,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1538",
    "depth": 9.0,
    "PO4": 0.77,
    "SiOH4": 12.93,
    "NO3_NO2": 7.61,
    "NO2": 0.25,
    "NH4": 0.59,
    "NO3": 7.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9901, 60.2747] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "KIP2",
    "water_depth": 575,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1538",
    "depth": 20.0,
    "PO4": 0.79,
    "SiOH4": 13.47,
    "NO3_NO2": 7.78,
    "NO2": 0.28,
    "NH4": 0.4,
    "NO3": 7.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9901, 60.2747] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "KIP2",
    "water_depth": 575,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1538",
    "depth": 30.0,
    "PO4": 0.85,
    "SiOH4": 13.66,
    "NO3_NO2": 8.16,
    "NO2": 0.3,
    "NH4": 0.58,
    "NO3": 7.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9901, 60.2747] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "KIP2",
    "water_depth": 575,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1538",
    "depth": 40.0,
    "PO4": 0.98,
    "SiOH4": 15.22,
    "NO3_NO2": 9.6,
    "NO2": 0.2,
    "NH4": 0.89,
    "NO3": 9.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9901, 60.2747] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "KIP2",
    "water_depth": 575,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1538",
    "depth": 54.0,
    "PO4": 1.06,
    "SiOH4": 16.43,
    "NO3_NO2": 10.4,
    "NO2": 0.24,
    "NH4": 0.64,
    "NO3": 10.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9901, 60.2747] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "KIP2",
    "water_depth": 575,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1538",
    "depth": 100.0,
    "PO4": 1.2,
    "SiOH4": 19.7,
    "NO3_NO2": 12.89,
    "NO2": 0.24,
    "NH4": 0.49,
    "NO3": 12.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9901, 60.2747] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "KIP2",
    "water_depth": 575,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1538",
    "depth": 142.0,
    "PO4": 1.43,
    "SiOH4": 22.52,
    "NO3_NO2": 15.26,
    "NO2": 0.29,
    "NH4": 0.57,
    "NO3": 14.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9901, 60.2747] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "KIP2",
    "water_depth": 575,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1538",
    "depth": 205.0,
    "PO4": 1.77,
    "SiOH4": 31.49,
    "NO3_NO2": 20.12,
    "NO2": 0.08,
    "NH4": 0.36,
    "NO3": 20.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9901, 60.2747] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "KIP2",
    "water_depth": 575,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1538",
    "depth": 251.0,
    "PO4": 1.98,
    "SiOH4": 36.36,
    "NO3_NO2": 22.57,
    "NO2": 0.0,
    "NH4": 0.2,
    "NO3": 22.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9901, 60.2747] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 10,
    "stn_id": "KIP2",
    "water_depth": 575,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1538",
    "depth": 586.0,
    "PO4": 2.09,
    "SiOH4": 39.18,
    "NO3_NO2": 23.84,
    "NO2": 0.03,
    "NH4": 0.65,
    "NO3": 23.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0145, 60.2785] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "KIP1",
    "water_depth": 438,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1648",
    "depth": 3.0,
    "PO4": 0.62,
    "SiOH4": 12.08,
    "NO3_NO2": 7.29,
    "NO2": 0.15,
    "NH4": 0.4,
    "NO3": 7.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0145, 60.2785] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "KIP1",
    "water_depth": 438,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1648",
    "depth": 10.0,
    "PO4": 0.73,
    "SiOH4": 12.52,
    "NO3_NO2": 7.4,
    "NO2": 0.09,
    "NH4": 0.26,
    "NO3": 7.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0145, 60.2785] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "KIP1",
    "water_depth": 438,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1648",
    "depth": 20.0,
    "PO4": 0.79,
    "SiOH4": 12.61,
    "NO3_NO2": 7.64,
    "NO2": 0.06,
    "NH4": 0.33,
    "NO3": 7.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0145, 60.2785] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "KIP1",
    "water_depth": 438,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1648",
    "depth": 31.0,
    "PO4": 0.81,
    "SiOH4": 13.62,
    "NO3_NO2": 8.12,
    "NO2": 0.03,
    "NH4": 0.33,
    "NO3": 8.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0145, 60.2785] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "KIP1",
    "water_depth": 438,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1648",
    "depth": 41.0,
    "PO4": 0.87,
    "SiOH4": 15.09,
    "NO3_NO2": 8.91,
    "NO2": 0.2,
    "NH4": 0.26,
    "NO3": 8.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0145, 60.2785] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "KIP1",
    "water_depth": 438,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1648",
    "depth": 49.0,
    "PO4": 0.98,
    "SiOH4": 15.98,
    "NO3_NO2": 9.86,
    "NO2": 0.17,
    "NH4": 0.33,
    "NO3": 9.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0145, 60.2785] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "KIP1",
    "water_depth": 438,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1648",
    "depth": 103.0,
    "PO4": 1.27,
    "SiOH4": 20.3,
    "NO3_NO2": 13.47,
    "NO2": 0.24,
    "NH4": 0.26,
    "NO3": 13.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0145, 60.2785] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "KIP1",
    "water_depth": 438,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1648",
    "depth": 149.0,
    "PO4": 1.48,
    "SiOH4": 24.28,
    "NO3_NO2": 16.33,
    "NO2": 0.26,
    "NH4": 0.26,
    "NO3": 16.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0145, 60.2785] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "KIP1",
    "water_depth": 438,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1648",
    "depth": 198.0,
    "PO4": 1.79,
    "SiOH4": 32.25,
    "NO3_NO2": 20.41,
    "NO2": 0.28,
    "NH4": 0.33,
    "NO3": 20.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0145, 60.2785] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "KIP1",
    "water_depth": 438,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1648",
    "depth": 252.0,
    "PO4": 1.92,
    "SiOH4": 35.31,
    "NO3_NO2": 22.12,
    "NO2": 0.28,
    "NH4": 0.33,
    "NO3": 21.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0145, 60.2785] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "KIP1",
    "water_depth": 438,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1648",
    "depth": 325.0,
    "PO4": 2.0,
    "SiOH4": 37.58,
    "NO3_NO2": 23.2,
    "NO2": 0.24,
    "NH4": 0.4,
    "NO3": 22.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0145, 60.2785] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 11,
    "stn_id": "KIP1",
    "water_depth": 438,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1648",
    "depth": 406.0,
    "PO4": 2.02,
    "SiOH4": 37.79,
    "NO3_NO2": 23.56,
    "NO2": 0.24,
    "NH4": 0.33,
    "NO3": 23.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9883, 60.2767] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 12,
    "stn_id": "KIP2",
    "water_depth": 574,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1917",
    "depth": 1.0,
    "PO4": 0.7,
    "SiOH4": 12.76,
    "NO3_NO2": 7.48,
    "NO2": 0.28,
    "NH4": 0.3,
    "NO3": 7.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9883, 60.2767] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 12,
    "stn_id": "KIP2",
    "water_depth": 574,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1917",
    "depth": 10.0,
    "PO4": 0.78,
    "SiOH4": 13.54,
    "NO3_NO2": 7.82,
    "NO2": 0.31,
    "NH4": 0.33,
    "NO3": 7.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9883, 60.2767] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 12,
    "stn_id": "KIP2",
    "water_depth": 574,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1917",
    "depth": 20.0,
    "PO4": 0.86,
    "SiOH4": 15.46,
    "NO3_NO2": 9.0,
    "NO2": 0.49,
    "NH4": 0.4,
    "NO3": 8.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9883, 60.2767] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 12,
    "stn_id": "KIP2",
    "water_depth": 574,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1917",
    "depth": 29.0,
    "PO4": 0.92,
    "SiOH4": 16.23,
    "NO3_NO2": 9.81,
    "NO2": 0.51,
    "NH4": 0.5,
    "NO3": 9.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9883, 60.2767] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 12,
    "stn_id": "KIP2",
    "water_depth": 574,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1917",
    "depth": 42.0,
    "PO4": 0.99,
    "SiOH4": 16.33,
    "NO3_NO2": 9.85,
    "NO2": 0.51,
    "NH4": 0.66,
    "NO3": 9.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9883, 60.2767] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 12,
    "stn_id": "KIP2",
    "water_depth": 574,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1917",
    "depth": 50.0,
    "PO4": 1.06,
    "SiOH4": 17.22,
    "NO3_NO2": 10.53,
    "NO2": 0.51,
    "NH4": 0.33,
    "NO3": 10.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9883, 60.2767] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 12,
    "stn_id": "KIP2",
    "water_depth": 574,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1917",
    "depth": 99.0,
    "PO4": 1.3,
    "SiOH4": 20.62,
    "NO3_NO2": 13.65,
    "NO2": 0.54,
    "NH4": 0.33,
    "NO3": 13.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9883, 60.2767] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 12,
    "stn_id": "KIP2",
    "water_depth": 574,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1917",
    "depth": 200.0,
    "PO4": 1.79,
    "SiOH4": 32.69,
    "NO3_NO2": 20.67,
    "NO2": 0.57,
    "NH4": 0.33,
    "NO3": 20.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9883, 60.2767] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 12,
    "stn_id": "KIP2",
    "water_depth": 574,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1917",
    "depth": 309.0,
    "PO4": 2.03,
    "SiOH4": 38.61,
    "NO3_NO2": 23.76,
    "NO2": 0.57,
    "NH4": 0.33,
    "NO3": 23.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.988, 60.2779] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "KIP2",
    "water_depth": 572,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1952",
    "depth": 1.0,
    "PO4": 0.77,
    "SiOH4": 13.14,
    "NO3_NO2": 7.52,
    "NO2": 0.05,
    "NH4": 0.5,
    "NO3": 7.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.988, 60.2779] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "KIP2",
    "water_depth": 572,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1952",
    "depth": 5.0,
    "PO4": 0.79,
    "SiOH4": 13.34,
    "NO3_NO2": 7.61,
    "NO2": 0.05,
    "NH4": 0.33,
    "NO3": 7.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.988, 60.2779] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "KIP2",
    "water_depth": 572,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1952",
    "depth": 10.0,
    "PO4": 0.83,
    "SiOH4": 13.44,
    "NO3_NO2": 7.82,
    "NO2": 0.08,
    "NH4": 0.73,
    "NO3": 7.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.988, 60.2779] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "KIP2",
    "water_depth": 572,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1952",
    "depth": 20.0,
    "PO4": 0.86,
    "SiOH4": 14.56,
    "NO3_NO2": 8.2,
    "NO2": 0.1,
    "NH4": 0.66,
    "NO3": 8.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.988, 60.2779] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "KIP2",
    "water_depth": 572,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1952",
    "depth": 36.0,
    "PO4": 1.0,
    "SiOH4": 16.47,
    "NO3_NO2": 9.64,
    "NO2": 0.13,
    "NH4": 1.06,
    "NO3": 9.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.988, 60.2779] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 13,
    "stn_id": "KIP2",
    "water_depth": 572,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1952",
    "depth": 51.0,
    "PO4": 1.04,
    "SiOH4": 16.68,
    "NO3_NO2": 10.23,
    "NO2": 0.13,
    "NH4": 0.89,
    "NO3": 10.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7027, 60.1891] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "HB1",
    "water_depth": 228,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2137",
    "depth": 3.0,
    "PO4": 0.7,
    "SiOH4": 14.59,
    "NO3_NO2": 8.77,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 8.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7027, 60.1891] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "HB1",
    "water_depth": 228,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2137",
    "depth": 10.0,
    "PO4": 0.83,
    "SiOH4": 15.02,
    "NO3_NO2": 9.12,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 9.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7027, 60.1891] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "HB1",
    "water_depth": 228,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2137",
    "depth": 22.0,
    "PO4": 0.87,
    "SiOH4": 15.23,
    "NO3_NO2": 9.4,
    "NO2": 0.39,
    "NH4": null,
    "NO3": 9.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7027, 60.1891] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "HB1",
    "water_depth": 228,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2137",
    "depth": 30.0,
    "PO4": 0.91,
    "SiOH4": 15.33,
    "NO3_NO2": 9.54,
    "NO2": 0.37,
    "NH4": null,
    "NO3": 9.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7027, 60.1891] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "HB1",
    "water_depth": 228,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2137",
    "depth": 40.0,
    "PO4": 1.05,
    "SiOH4": 18.05,
    "NO3_NO2": 11.25,
    "NO2": 0.35,
    "NH4": null,
    "NO3": 10.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7027, 60.1891] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "HB1",
    "water_depth": 228,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2137",
    "depth": 48.0,
    "PO4": 1.01,
    "SiOH4": 17.46,
    "NO3_NO2": 10.59,
    "NO2": 0.36,
    "NH4": null,
    "NO3": 10.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7027, 60.1891] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "HB1",
    "water_depth": 228,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2137",
    "depth": 75.0,
    "PO4": 1.0,
    "SiOH4": 17.55,
    "NO3_NO2": 10.52,
    "NO2": 0.42,
    "NH4": null,
    "NO3": 10.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7027, 60.1891] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "HB1",
    "water_depth": 228,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2137",
    "depth": 101.0,
    "PO4": 1.11,
    "SiOH4": 18.9,
    "NO3_NO2": 11.81,
    "NO2": 0.43,
    "NH4": null,
    "NO3": 11.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7027, 60.1891] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "HB1",
    "water_depth": 228,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2137",
    "depth": 150.0,
    "PO4": 1.57,
    "SiOH4": 28.01,
    "NO3_NO2": 17.66,
    "NO2": 0.39,
    "NH4": null,
    "NO3": 17.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7027, 60.1891] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "HB1",
    "water_depth": 228,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2137",
    "depth": 201.0,
    "PO4": 1.87,
    "SiOH4": 34.5,
    "NO3_NO2": 21.27,
    "NO2": 0.39,
    "NH4": null,
    "NO3": 20.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7027, 60.1891] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 14,
    "stn_id": "HB1",
    "water_depth": 228,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2137",
    "depth": 224.0,
    "PO4": 1.92,
    "SiOH4": 35.96,
    "NO3_NO2": 21.75,
    "NO2": 0.35,
    "NH4": null,
    "NO3": 21.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6406, 60.18] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 15,
    "stn_id": "HB2",
    "water_depth": 171,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2223",
    "depth": 2.0,
    "PO4": 0.83,
    "SiOH4": 15.75,
    "NO3_NO2": 9.46,
    "NO2": 0.22,
    "NH4": null,
    "NO3": 9.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6406, 60.18] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 15,
    "stn_id": "HB2",
    "water_depth": 171,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2223",
    "depth": 12.0,
    "PO4": 0.91,
    "SiOH4": 15.98,
    "NO3_NO2": 9.58,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 9.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6406, 60.18] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 15,
    "stn_id": "HB2",
    "water_depth": 171,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2223",
    "depth": 21.0,
    "PO4": 0.99,
    "SiOH4": 16.32,
    "NO3_NO2": 9.91,
    "NO2": 0.18,
    "NH4": null,
    "NO3": 9.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6406, 60.18] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 15,
    "stn_id": "HB2",
    "water_depth": 171,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2223",
    "depth": 30.0,
    "PO4": 1.02,
    "SiOH4": 17.46,
    "NO3_NO2": 10.87,
    "NO2": 0.17,
    "NH4": null,
    "NO3": 10.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6406, 60.18] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 15,
    "stn_id": "HB2",
    "water_depth": 171,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2223",
    "depth": 51.0,
    "PO4": 1.04,
    "SiOH4": 18.26,
    "NO3_NO2": 11.2,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 11.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6406, 60.18] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 15,
    "stn_id": "HB2",
    "water_depth": 171,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2223",
    "depth": 77.0,
    "PO4": 1.06,
    "SiOH4": 19.97,
    "NO3_NO2": 12.29,
    "NO2": 0.21,
    "NH4": null,
    "NO3": 12.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6406, 60.18] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 15,
    "stn_id": "HB2",
    "water_depth": 171,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2223",
    "depth": 101.0,
    "PO4": 1.4,
    "SiOH4": 24.88,
    "NO3_NO2": 15.15,
    "NO2": 0.22,
    "NH4": null,
    "NO3": 14.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6406, 60.18] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 15,
    "stn_id": "HB2",
    "water_depth": 171,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2223",
    "depth": 169.0,
    "PO4": 1.41,
    "SiOH4": 24.99,
    "NO3_NO2": 15.14,
    "NO2": 0.29,
    "NH4": null,
    "NO3": 14.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.574, 60.1658] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "HB3",
    "water_depth": 88,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2300",
    "depth": 1.0,
    "PO4": 0.97,
    "SiOH4": 19.9,
    "NO3_NO2": 11.01,
    "NO2": 0.22,
    "NH4": null,
    "NO3": 10.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.574, 60.1658] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "HB3",
    "water_depth": 88,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2300",
    "depth": 22.0,
    "PO4": 1.07,
    "SiOH4": 19.27,
    "NO3_NO2": 11.08,
    "NO2": 0.2,
    "NH4": null,
    "NO3": 10.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.574, 60.1658] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "HB3",
    "water_depth": 88,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2300",
    "depth": 31.0,
    "PO4": 1.07,
    "SiOH4": 19.2,
    "NO3_NO2": 11.11,
    "NO2": 0.21,
    "NH4": null,
    "NO3": 10.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.574, 60.1658] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "HB3",
    "water_depth": 88,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2300",
    "depth": 41.0,
    "PO4": 1.07,
    "SiOH4": 19.14,
    "NO3_NO2": 11.17,
    "NO2": 0.22,
    "NH4": null,
    "NO3": 10.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.574, 60.1658] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "HB3",
    "water_depth": 88,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2300",
    "depth": 47.0,
    "PO4": 1.09,
    "SiOH4": 19.19,
    "NO3_NO2": 11.24,
    "NO2": 0.21,
    "NH4": null,
    "NO3": 11.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.574, 60.1658] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 16,
    "stn_id": "HB3",
    "water_depth": 88,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2300",
    "depth": 81.0,
    "PO4": 1.29,
    "SiOH4": 23.12,
    "NO3_NO2": 13.67,
    "NO2": 0.22,
    "NH4": null,
    "NO3": 13.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5017, 60.1489] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2332",
    "depth": 2.0,
    "PO4": 0.98,
    "SiOH4": 19.4,
    "NO3_NO2": 11.32,
    "NO2": 0.26,
    "NH4": null,
    "NO3": 11.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5017, 60.1489] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2332",
    "depth": 9.0,
    "PO4": 1.09,
    "SiOH4": 19.4,
    "NO3_NO2": 11.53,
    "NO2": 0.26,
    "NH4": null,
    "NO3": 11.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5017, 60.1489] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2332",
    "depth": 19.0,
    "PO4": 1.14,
    "SiOH4": 19.51,
    "NO3_NO2": 11.65,
    "NO2": 0.26,
    "NH4": null,
    "NO3": 11.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5017, 60.1489] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2332",
    "depth": null,
    "PO4": 1.15,
    "SiOH4": 19.51,
    "NO3_NO2": 11.65,
    "NO2": 0.28,
    "NH4": null,
    "NO3": 11.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5017, 60.1489] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2332",
    "depth": 38.0,
    "PO4": 1.16,
    "SiOH4": 19.63,
    "NO3_NO2": 11.73,
    "NO2": 0.28,
    "NH4": null,
    "NO3": 11.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5017, 60.1489] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2332",
    "depth": 50.0,
    "PO4": 1.17,
    "SiOH4": 19.74,
    "NO3_NO2": 11.93,
    "NO2": 0.31,
    "NH4": null,
    "NO3": 11.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5017, 60.1489] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2332",
    "depth": 73.0,
    "PO4": 1.26,
    "SiOH4": 21.0,
    "NO3_NO2": 12.73,
    "NO2": 0.31,
    "NH4": null,
    "NO3": 12.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5017, 60.1489] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 17,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2332",
    "depth": 99.0,
    "PO4": 1.48,
    "SiOH4": 31.27,
    "NO3_NO2": 15.73,
    "NO2": 0.26,
    "NH4": null,
    "NO3": 15.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4482, 60.1342] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "HB5",
    "water_depth": 42,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2359",
    "depth": 1.0,
    "PO4": 1.0,
    "SiOH4": 20.65,
    "NO3_NO2": 11.79,
    "NO2": 0.18,
    "NH4": null,
    "NO3": 11.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4482, 60.1342] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "HB5",
    "water_depth": 42,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2359",
    "depth": 10.0,
    "PO4": 1.13,
    "SiOH4": 20.77,
    "NO3_NO2": 12.01,
    "NO2": 0.2,
    "NH4": null,
    "NO3": 11.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4482, 60.1342] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "HB5",
    "water_depth": 42,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2359",
    "depth": 20.0,
    "PO4": 1.12,
    "SiOH4": 21.11,
    "NO3_NO2": 12.26,
    "NO2": 0.22,
    "NH4": null,
    "NO3": 12.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4482, 60.1342] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "HB5",
    "water_depth": 42,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2359",
    "depth": 29.0,
    "PO4": 1.17,
    "SiOH4": 21.68,
    "NO3_NO2": 11.62,
    "NO2": 0.16,
    "NH4": null,
    "NO3": 11.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4482, 60.1342] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 18,
    "stn_id": "HB5",
    "water_depth": 42,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "2359",
    "depth": 37.0,
    "PO4": 1.16,
    "SiOH4": 21.68,
    "NO3_NO2": 11.79,
    "NO2": 0.13,
    "NH4": null,
    "NO3": 11.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8689, 59.9085] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 19,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0456",
    "depth": 1.0,
    "PO4": 0.91,
    "SiOH4": 18.71,
    "NO3_NO2": 9.77,
    "NO2": 0.0,
    "NH4": 1.95,
    "NO3": 9.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8689, 59.9085] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 19,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0456",
    "depth": 11.0,
    "PO4": 0.95,
    "SiOH4": 17.65,
    "NO3_NO2": 9.85,
    "NO2": 0.01,
    "NH4": 1.26,
    "NO3": 9.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8689, 59.9085] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 19,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0456",
    "depth": 21.0,
    "PO4": 0.99,
    "SiOH4": 19.44,
    "NO3_NO2": 10.19,
    "NO2": 0.01,
    "NH4": 1.28,
    "NO3": 10.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8689, 59.9085] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 19,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0456",
    "depth": 31.0,
    "PO4": 0.99,
    "SiOH4": 19.48,
    "NO3_NO2": 10.23,
    "NO2": 0.53,
    "NH4": 1.02,
    "NO3": 9.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8689, 59.9085] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 19,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0456",
    "depth": 40.0,
    "PO4": 1.02,
    "SiOH4": 19.85,
    "NO3_NO2": 10.27,
    "NO2": 0.51,
    "NH4": 0.99,
    "NO3": 9.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8689, 59.9085] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 19,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0456",
    "depth": 51.0,
    "PO4": 1.02,
    "SiOH4": 20.98,
    "NO3_NO2": 10.7,
    "NO2": 0.49,
    "NH4": 0.3,
    "NO3": 10.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8689, 59.9085] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 19,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0456",
    "depth": 75.0,
    "PO4": 1.08,
    "SiOH4": 20.91,
    "NO3_NO2": 10.99,
    "NO2": 0.44,
    "NH4": 0.58,
    "NO3": 10.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8689, 59.9085] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 19,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0456",
    "depth": 83.0,
    "PO4": 1.06,
    "SiOH4": 20.95,
    "NO3_NO2": 10.99,
    "NO2": 0.36,
    "NH4": 0.67,
    "NO3": 10.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.8502] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0538",
    "depth": 2.0,
    "PO4": 1.05,
    "SiOH4": 23.07,
    "NO3_NO2": 12.2,
    "NO2": 0.53,
    "NH4": 0.99,
    "NO3": 11.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.8502] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0538",
    "depth": 11.0,
    "PO4": 1.14,
    "SiOH4": 23.33,
    "NO3_NO2": 12.36,
    "NO2": 0.45,
    "NH4": 1.13,
    "NO3": 11.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.8502] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0538",
    "depth": 19.0,
    "PO4": 1.14,
    "SiOH4": 25.24,
    "NO3_NO2": 12.49,
    "NO2": 0.4,
    "NH4": 0.85,
    "NO3": 12.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.8502] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0538",
    "depth": 30.0,
    "PO4": 1.16,
    "SiOH4": 24.18,
    "NO3_NO2": 12.65,
    "NO2": 0.49,
    "NH4": 0.98,
    "NO3": 12.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.8502] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0538",
    "depth": 41.0,
    "PO4": 1.23,
    "SiOH4": 24.65,
    "NO3_NO2": 12.78,
    "NO2": 0.46,
    "NH4": 0.9,
    "NO3": 12.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.8502] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0538",
    "depth": 53.0,
    "PO4": 1.22,
    "SiOH4": 25.02,
    "NO3_NO2": 13.08,
    "NO2": 0.44,
    "NH4": 0.9,
    "NO3": 12.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.8502] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0538",
    "depth": 77.0,
    "PO4": 1.24,
    "SiOH4": 25.83,
    "NO3_NO2": 13.5,
    "NO2": 0.36,
    "NH4": 0.94,
    "NO3": 13.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.8502] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0538",
    "depth": 98.0,
    "PO4": 1.31,
    "SiOH4": 26.85,
    "NO3_NO2": 14.24,
    "NO2": 0.42,
    "NH4": 1.14,
    "NO3": 13.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.8502] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 21,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0538",
    "depth": 156.0,
    "PO4": 1.43,
    "SiOH4": 29.53,
    "NO3_NO2": 16.14,
    "NO2": 0.4,
    "NH4": 1.3,
    "NO3": 15.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.7844] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0629",
    "depth": 4.0,
    "PO4": 1.1,
    "SiOH4": 24.51,
    "NO3_NO2": 13.48,
    "NO2": 0.4,
    "NH4": 1.06,
    "NO3": 13.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.7844] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0629",
    "depth": 11.0,
    "PO4": 1.16,
    "SiOH4": 24.66,
    "NO3_NO2": 13.52,
    "NO2": 0.38,
    "NH4": 1.0,
    "NO3": 13.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.7844] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0629",
    "depth": 25.0,
    "PO4": 1.21,
    "SiOH4": 24.59,
    "NO3_NO2": 13.51,
    "NO2": 0.33,
    "NH4": 1.45,
    "NO3": 13.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.7844] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0629",
    "depth": 50.0,
    "PO4": 1.21,
    "SiOH4": 24.63,
    "NO3_NO2": 13.59,
    "NO2": 0.36,
    "NH4": 1.18,
    "NO3": 13.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.7844] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0629",
    "depth": 74.0,
    "PO4": 1.23,
    "SiOH4": 24.78,
    "NO3_NO2": 13.72,
    "NO2": 0.31,
    "NH4": 0.85,
    "NO3": 13.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.7844] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0629",
    "depth": 99.0,
    "PO4": 1.28,
    "SiOH4": 25.69,
    "NO3_NO2": 14.15,
    "NO2": 0.26,
    "NH4": 0.83,
    "NO3": 13.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.7844] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0629",
    "depth": 151.0,
    "PO4": 1.28,
    "SiOH4": 25.29,
    "NO3_NO2": 14.53,
    "NO2": 0.21,
    "NH4": 0.73,
    "NO3": 14.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.7844] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 23,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0629",
    "depth": 190.0,
    "PO4": 1.75,
    "SiOH4": 37.3,
    "NO3_NO2": 20.95,
    "NO2": 0.24,
    "NH4": 0.84,
    "NO3": 20.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.868, 59.7168] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0728",
    "depth": 3.0,
    "PO4": null,
    "SiOH4": 25.23,
    "NO3_NO2": 13.49,
    "NO2": 0.15,
    "NH4": 0.68,
    "NO3": 13.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.868, 59.7168] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0728",
    "depth": 10.0,
    "PO4": 1.31,
    "SiOH4": 25.64,
    "NO3_NO2": 13.5,
    "NO2": 0.4,
    "NH4": 0.66,
    "NO3": 13.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.868, 59.7168] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0728",
    "depth": 20.0,
    "PO4": 1.34,
    "SiOH4": 25.4,
    "NO3_NO2": 13.51,
    "NO2": 0.39,
    "NH4": 0.67,
    "NO3": 13.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.868, 59.7168] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0728",
    "depth": 30.0,
    "PO4": 1.32,
    "SiOH4": 25.48,
    "NO3_NO2": 13.65,
    "NO2": 0.35,
    "NH4": 0.64,
    "NO3": 13.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.868, 59.7168] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0728",
    "depth": 41.0,
    "PO4": 1.33,
    "SiOH4": 25.78,
    "NO3_NO2": 13.67,
    "NO2": 0.33,
    "NH4": 0.62,
    "NO3": 13.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.868, 59.7168] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0728",
    "depth": 51.0,
    "PO4": 1.35,
    "SiOH4": 25.54,
    "NO3_NO2": 13.72,
    "NO2": 0.42,
    "NH4": 0.65,
    "NO3": 13.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.868, 59.7168] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0728",
    "depth": 74.0,
    "PO4": 1.36,
    "SiOH4": 25.84,
    "NO3_NO2": 14.26,
    "NO2": 0.38,
    "NH4": 0.19,
    "NO3": 13.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.868, 59.7168] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0728",
    "depth": 100.0,
    "PO4": 1.4,
    "SiOH4": 25.93,
    "NO3_NO2": 14.53,
    "NO2": 0.34,
    "NH4": 0.2,
    "NO3": 14.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.868, 59.7168] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0728",
    "depth": 150.0,
    "PO4": 1.58,
    "SiOH4": 30.95,
    "NO3_NO2": 17.06,
    "NO2": 0.32,
    "NH4": 0.38,
    "NO3": 16.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.868, 59.7168] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 25,
    "stn_id": "CF7",
    "water_depth": 181,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0728",
    "depth": 183.0,
    "PO4": 1.81,
    "SiOH4": 37.29,
    "NO3_NO2": 20.77,
    "NO2": 0.47,
    "NH4": 0.33,
    "NO3": 20.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8654, 59.6501] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 27,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0822",
    "depth": 3.0,
    "PO4": 1.21,
    "SiOH4": 24.31,
    "NO3_NO2": 13.18,
    "NO2": 0.4,
    "NH4": 0.42,
    "NO3": 12.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8654, 59.6501] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 27,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0822",
    "depth": 11.0,
    "PO4": 1.22,
    "SiOH4": 24.5,
    "NO3_NO2": 13.14,
    "NO2": 0.33,
    "NH4": 0.37,
    "NO3": 12.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8654, 59.6501] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 27,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0822",
    "depth": 21.0,
    "PO4": 1.24,
    "SiOH4": 25.25,
    "NO3_NO2": 13.16,
    "NO2": 0.23,
    "NH4": 0.27,
    "NO3": 12.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8654, 59.6501] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 27,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0822",
    "depth": 29.0,
    "PO4": 1.24,
    "SiOH4": 25.22,
    "NO3_NO2": 13.08,
    "NO2": 0.22,
    "NH4": 0.35,
    "NO3": 12.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8654, 59.6501] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 27,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0822",
    "depth": 40.0,
    "PO4": 1.23,
    "SiOH4": 25.3,
    "NO3_NO2": 13.83,
    "NO2": 0.28,
    "NH4": 0.31,
    "NO3": 13.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8654, 59.6501] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 27,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0822",
    "depth": 51.0,
    "PO4": 1.23,
    "SiOH4": 25.28,
    "NO3_NO2": 12.93,
    "NO2": 0.4,
    "NH4": 0.34,
    "NO3": 12.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8654, 59.6501] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 27,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0822",
    "depth": 75.0,
    "PO4": 1.27,
    "SiOH4": 26.24,
    "NO3_NO2": 13.9,
    "NO2": 0.33,
    "NH4": 0.35,
    "NO3": 13.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8654, 59.6501] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 27,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0822",
    "depth": 100.0,
    "PO4": 1.39,
    "SiOH4": 27.86,
    "NO3_NO2": 15.13,
    "NO2": 0.35,
    "NH4": 0.28,
    "NO3": 14.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8654, 59.6501] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 27,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0822",
    "depth": 151.0,
    "PO4": 1.66,
    "SiOH4": 33.87,
    "NO3_NO2": 19.27,
    "NO2": 0.33,
    "NH4": 0.46,
    "NO3": 18.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8654, 59.6501] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 27,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0822",
    "depth": 178.0,
    "PO4": 1.82,
    "SiOH4": 36.92,
    "NO3_NO2": 20.76,
    "NO2": 0.26,
    "NH4": 0.55,
    "NO3": 20.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.5823] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0915",
    "depth": 2.0,
    "PO4": 1.12,
    "SiOH4": 21.45,
    "NO3_NO2": 13.42,
    "NO2": 0.11,
    "NH4": 0.41,
    "NO3": 13.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.5823] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0915",
    "depth": 10.0,
    "PO4": 1.23,
    "SiOH4": 21.7,
    "NO3_NO2": 13.46,
    "NO2": 0.14,
    "NH4": 0.54,
    "NO3": 13.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.5823] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0915",
    "depth": 21.0,
    "PO4": 1.26,
    "SiOH4": 21.87,
    "NO3_NO2": 13.59,
    "NO2": 0.08,
    "NH4": 0.46,
    "NO3": 13.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.5823] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0915",
    "depth": 30.0,
    "PO4": 1.26,
    "SiOH4": 22.12,
    "NO3_NO2": 13.93,
    "NO2": 0.16,
    "NH4": 0.59,
    "NO3": 13.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.5823] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0915",
    "depth": 43.0,
    "PO4": 1.28,
    "SiOH4": 22.11,
    "NO3_NO2": 13.92,
    "NO2": 0.15,
    "NH4": 0.6,
    "NO3": 13.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.5823] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0915",
    "depth": 51.0,
    "PO4": 1.3,
    "SiOH4": 22.09,
    "NO3_NO2": 13.92,
    "NO2": 0.16,
    "NH4": 0.56,
    "NO3": 13.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.5823] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0915",
    "depth": 76.0,
    "PO4": 1.3,
    "SiOH4": 21.99,
    "NO3_NO2": 14.05,
    "NO2": 0.16,
    "NH4": 0.68,
    "NO3": 13.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.5823] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0915",
    "depth": 100.0,
    "PO4": 1.32,
    "SiOH4": 22.16,
    "NO3_NO2": 14.26,
    "NO2": 0.17,
    "NH4": 0.85,
    "NO3": 14.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.5823] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0915",
    "depth": 151.0,
    "PO4": 1.57,
    "SiOH4": 27.02,
    "NO3_NO2": 17.37,
    "NO2": 0.16,
    "NH4": 1.18,
    "NO3": 17.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.5823] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 29,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0915",
    "depth": 175.0,
    "PO4": 2.04,
    "SiOH4": 38.18,
    "NO3_NO2": 24.44,
    "NO2": 0.19,
    "NH4": 1.34,
    "NO3": 24.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.516] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1012",
    "depth": 3.0,
    "PO4": 1.23,
    "SiOH4": 23.24,
    "NO3_NO2": 14.34,
    "NO2": 0.0,
    "NH4": 0.85,
    "NO3": 14.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.516] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1012",
    "depth": 10.0,
    "PO4": 1.3,
    "SiOH4": 23.07,
    "NO3_NO2": 14.34,
    "NO2": 0.04,
    "NH4": 0.73,
    "NO3": 14.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.516] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1012",
    "depth": 21.0,
    "PO4": 1.32,
    "SiOH4": 22.64,
    "NO3_NO2": 14.38,
    "NO2": 0.24,
    "NH4": 0.9,
    "NO3": 14.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.516] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1012",
    "depth": 31.0,
    "PO4": 1.31,
    "SiOH4": 22.38,
    "NO3_NO2": 14.37,
    "NO2": 0.33,
    "NH4": 1.0,
    "NO3": 14.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.516] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1012",
    "depth": 40.0,
    "PO4": 1.33,
    "SiOH4": 21.77,
    "NO3_NO2": 14.41,
    "NO2": 0.38,
    "NH4": 0.72,
    "NO3": 14.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.516] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1012",
    "depth": 50.0,
    "PO4": 1.31,
    "SiOH4": 21.68,
    "NO3_NO2": 14.5,
    "NO2": 0.42,
    "NH4": 0.47,
    "NO3": 14.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.516] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1012",
    "depth": 75.0,
    "PO4": 1.32,
    "SiOH4": 21.52,
    "NO3_NO2": 14.62,
    "NO2": 0.08,
    "NH4": 0.67,
    "NO3": 14.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.516] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1012",
    "depth": 101.0,
    "PO4": 1.34,
    "SiOH4": 21.52,
    "NO3_NO2": 14.71,
    "NO2": 0.09,
    "NH4": 0.51,
    "NO3": 14.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.516] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1012",
    "depth": 150.0,
    "PO4": 1.55,
    "SiOH4": 26.41,
    "NO3_NO2": 17.82,
    "NO2": 0.1,
    "NH4": 0.32,
    "NO3": 17.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.516] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 31,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1012",
    "depth": 169.0,
    "PO4": 1.84,
    "SiOH4": 33.69,
    "NO3_NO2": 21.95,
    "NO2": 0.21,
    "NH4": 0.41,
    "NO3": 21.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.4501] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1110",
    "depth": 3.0,
    "PO4": 1.31,
    "SiOH4": 24.22,
    "NO3_NO2": 14.83,
    "NO2": 0.12,
    "NH4": null,
    "NO3": 14.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.4501] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1110",
    "depth": 10.0,
    "PO4": 1.37,
    "SiOH4": 23.96,
    "NO3_NO2": 14.95,
    "NO2": 0.27,
    "NH4": null,
    "NO3": 14.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.4501] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1110",
    "depth": 20.0,
    "PO4": 1.4,
    "SiOH4": 23.61,
    "NO3_NO2": 14.95,
    "NO2": 0.36,
    "NH4": null,
    "NO3": 14.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.4501] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1110",
    "depth": 30.0,
    "PO4": 1.39,
    "SiOH4": 23.0,
    "NO3_NO2": 14.91,
    "NO2": 0.41,
    "NH4": null,
    "NO3": 14.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.4501] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1110",
    "depth": 40.0,
    "PO4": 1.39,
    "SiOH4": 22.83,
    "NO3_NO2": 14.95,
    "NO2": 0.38,
    "NH4": null,
    "NO3": 14.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.4501] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1110",
    "depth": 51.0,
    "PO4": 1.35,
    "SiOH4": 22.66,
    "NO3_NO2": 14.9,
    "NO2": 0.28,
    "NH4": null,
    "NO3": 14.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.4501] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1110",
    "depth": 75.0,
    "PO4": 1.37,
    "SiOH4": 22.14,
    "NO3_NO2": 14.81,
    "NO2": 0.32,
    "NH4": null,
    "NO3": 14.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.4501] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1110",
    "depth": 100.0,
    "PO4": 1.41,
    "SiOH4": 22.59,
    "NO3_NO2": 15.11,
    "NO2": 0.36,
    "NH4": null,
    "NO3": 14.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.4501] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1110",
    "depth": 150.0,
    "PO4": 1.4,
    "SiOH4": 21.89,
    "NO3_NO2": 15.11,
    "NO2": 0.42,
    "NH4": null,
    "NO3": 14.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.4501] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 33,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1110",
    "depth": 180.0,
    "PO4": 1.53,
    "SiOH4": 24.92,
    "NO3_NO2": 16.85,
    "NO2": 0.41,
    "NH4": null,
    "NO3": 16.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9084, 59.2616] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1241",
    "depth": 3.0,
    "PO4": 1.14,
    "SiOH4": 20.65,
    "NO3_NO2": 13.25,
    "NO2": 0.26,
    "NH4": null,
    "NO3": 12.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9084, 59.2616] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1241",
    "depth": 11.0,
    "PO4": 1.21,
    "SiOH4": 20.74,
    "NO3_NO2": 13.34,
    "NO2": 0.21,
    "NH4": null,
    "NO3": 13.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9084, 59.2616] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1241",
    "depth": 21.0,
    "PO4": 1.2,
    "SiOH4": 20.9,
    "NO3_NO2": 13.51,
    "NO2": 0.3,
    "NH4": null,
    "NO3": 13.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9084, 59.2616] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1241",
    "depth": 31.0,
    "PO4": 1.26,
    "SiOH4": 22.4,
    "NO3_NO2": 14.62,
    "NO2": 0.23,
    "NH4": null,
    "NO3": 14.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9084, 59.2616] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1241",
    "depth": 41.0,
    "PO4": 1.28,
    "SiOH4": 22.75,
    "NO3_NO2": 14.96,
    "NO2": 0.26,
    "NH4": null,
    "NO3": 14.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9084, 59.2616] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1241",
    "depth": 52.0,
    "PO4": 1.26,
    "SiOH4": 21.94,
    "NO3_NO2": 14.62,
    "NO2": 0.32,
    "NH4": null,
    "NO3": 14.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9084, 59.2616] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1241",
    "depth": 75.0,
    "PO4": 1.2,
    "SiOH4": 21.14,
    "NO3_NO2": 14.57,
    "NO2": 0.32,
    "NH4": null,
    "NO3": 14.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9084, 59.2616] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1241",
    "depth": 101.0,
    "PO4": 1.5,
    "SiOH4": 33.46,
    "NO3_NO2": 18.58,
    "NO2": 0.23,
    "NH4": null,
    "NO3": 18.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9084, 59.2616] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1241",
    "depth": 125.0,
    "PO4": 1.67,
    "SiOH4": 38.95,
    "NO3_NO2": 21.39,
    "NO2": 0.16,
    "NH4": null,
    "NO3": 21.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9084, 59.2616] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 34,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1241",
    "depth": 165.0,
    "PO4": 1.87,
    "SiOH4": 39.03,
    "NO3_NO2": 24.29,
    "NO2": 0.29,
    "NH4": null,
    "NO3": 23.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8394, 59.1897] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1331",
    "depth": 3.0,
    "PO4": 1.12,
    "SiOH4": 20.86,
    "NO3_NO2": 12.92,
    "NO2": null,
    "NH4": null,
    "NO3": 12.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8394, 59.1897] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1331",
    "depth": 10.0,
    "PO4": 1.18,
    "SiOH4": 20.98,
    "NO3_NO2": 12.93,
    "NO2": null,
    "NH4": null,
    "NO3": 12.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8394, 59.1897] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1331",
    "depth": 19.0,
    "PO4": 1.17,
    "SiOH4": 20.91,
    "NO3_NO2": 12.98,
    "NO2": null,
    "NH4": null,
    "NO3": 12.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8394, 59.1897] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1331",
    "depth": 31.0,
    "PO4": 1.27,
    "SiOH4": 21.91,
    "NO3_NO2": 13.71,
    "NO2": null,
    "NH4": null,
    "NO3": 13.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8394, 59.1897] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1331",
    "depth": 41.0,
    "PO4": 1.27,
    "SiOH4": 21.85,
    "NO3_NO2": 13.84,
    "NO2": null,
    "NH4": null,
    "NO3": 13.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8394, 59.1897] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1331",
    "depth": 51.0,
    "PO4": 1.27,
    "SiOH4": 22.05,
    "NO3_NO2": 14.11,
    "NO2": null,
    "NH4": null,
    "NO3": 14.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8394, 59.1897] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1331",
    "depth": 74.0,
    "PO4": 1.33,
    "SiOH4": 22.78,
    "NO3_NO2": 14.54,
    "NO2": null,
    "NH4": null,
    "NO3": 14.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8394, 59.1897] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1331",
    "depth": 101.0,
    "PO4": 1.29,
    "SiOH4": 21.83,
    "NO3_NO2": 14.25,
    "NO2": null,
    "NH4": null,
    "NO3": 14.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8394, 59.1897] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1331",
    "depth": 124.0,
    "PO4": 1.74,
    "SiOH4": 32.76,
    "NO3_NO2": 20.65,
    "NO2": null,
    "NH4": null,
    "NO3": 20.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8394, 59.1897] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 35,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1331",
    "depth": 165.0,
    "PO4": 1.96,
    "SiOH4": 37.93,
    "NO3_NO2": 23.6,
    "NO2": null,
    "NH4": null,
    "NO3": 23.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7692, 59.1169] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "GAK6",
    "water_depth": 152,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1423",
    "depth": 4.0,
    "PO4": 1.08,
    "SiOH4": 21.17,
    "NO3_NO2": 13.12,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 13.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7692, 59.1169] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "GAK6",
    "water_depth": 152,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1423",
    "depth": 8.0,
    "PO4": 1.18,
    "SiOH4": 20.63,
    "NO3_NO2": 13.16,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 13.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7692, 59.1169] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "GAK6",
    "water_depth": 152,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1423",
    "depth": 22.0,
    "PO4": 1.19,
    "SiOH4": 20.8,
    "NO3_NO2": 13.25,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 13.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7692, 59.1169] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "GAK6",
    "water_depth": 152,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1423",
    "depth": 31.0,
    "PO4": 1.26,
    "SiOH4": 20.88,
    "NO3_NO2": 13.25,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 13.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7692, 59.1169] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "GAK6",
    "water_depth": 152,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1423",
    "depth": 39.0,
    "PO4": 1.27,
    "SiOH4": 21.05,
    "NO3_NO2": 13.68,
    "NO2": 0.12,
    "NH4": null,
    "NO3": 13.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7692, 59.1169] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "GAK6",
    "water_depth": 152,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1423",
    "depth": 50.0,
    "PO4": 1.31,
    "SiOH4": 21.92,
    "NO3_NO2": 14.19,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 14.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7692, 59.1169] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "GAK6",
    "water_depth": 152,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1423",
    "depth": 76.0,
    "PO4": 1.43,
    "SiOH4": 23.87,
    "NO3_NO2": 15.86,
    "NO2": 0.16,
    "NH4": null,
    "NO3": 15.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7692, 59.1169] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "GAK6",
    "water_depth": 152,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1423",
    "depth": 102.0,
    "PO4": 1.89,
    "SiOH4": 35.91,
    "NO3_NO2": 22.85,
    "NO2": 0.17,
    "NH4": null,
    "NO3": 22.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7692, 59.1169] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "GAK6",
    "water_depth": 152,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1423",
    "depth": 126.0,
    "PO4": 2.34,
    "SiOH4": 44.58,
    "NO3_NO2": 30.14,
    "NO2": 0.13,
    "NH4": null,
    "NO3": 30.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7692, 59.1169] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 36,
    "stn_id": "GAK6",
    "water_depth": 152,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1423",
    "depth": 149.0,
    "PO4": 2.49,
    "SiOH4": 48.56,
    "NO3_NO2": 32.07,
    "NO2": 0.2,
    "NH4": null,
    "NO3": 31.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6304, 58.9711] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1545",
    "depth": 2.0,
    "PO4": 1.26,
    "SiOH4": 18.69,
    "NO3_NO2": 13.75,
    "NO2": 0.17,
    "NH4": null,
    "NO3": 13.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6304, 58.9711] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1545",
    "depth": 10.0,
    "PO4": 1.32,
    "SiOH4": 18.43,
    "NO3_NO2": 13.79,
    "NO2": 0.27,
    "NH4": null,
    "NO3": 13.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6304, 58.9711] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1545",
    "depth": 21.0,
    "PO4": 1.34,
    "SiOH4": 18.69,
    "NO3_NO2": 13.95,
    "NO2": 0.3,
    "NH4": null,
    "NO3": 13.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6304, 58.9711] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1545",
    "depth": 30.0,
    "PO4": 1.33,
    "SiOH4": 18.16,
    "NO3_NO2": 13.99,
    "NO2": 0.31,
    "NH4": null,
    "NO3": 13.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6304, 58.9711] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1545",
    "depth": 41.0,
    "PO4": 1.32,
    "SiOH4": 18.78,
    "NO3_NO2": 14.15,
    "NO2": 0.3,
    "NH4": null,
    "NO3": 13.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6304, 58.9711] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1545",
    "depth": 51.0,
    "PO4": 1.33,
    "SiOH4": 19.49,
    "NO3_NO2": 14.7,
    "NO2": 0.28,
    "NH4": null,
    "NO3": 14.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6304, 58.9711] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1545",
    "depth": 103.0,
    "PO4": 1.87,
    "SiOH4": 32.16,
    "NO3_NO2": 23.44,
    "NO2": 0.27,
    "NH4": null,
    "NO3": 23.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6304, 58.9711] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1545",
    "depth": 149.0,
    "PO4": 2.37,
    "SiOH4": 44.57,
    "NO3_NO2": 30.42,
    "NO2": 0.23,
    "NH4": null,
    "NO3": 30.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6304, 58.9711] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1545",
    "depth": 201.0,
    "PO4": 2.56,
    "SiOH4": 50.95,
    "NO3_NO2": 32.9,
    "NO2": 0.21,
    "NH4": null,
    "NO3": 32.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6304, 58.9711] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 37,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1545",
    "depth": 243.0,
    "PO4": 2.7,
    "SiOH4": 56.88,
    "NO3_NO2": 34.6,
    "NO2": 0.22,
    "NH4": null,
    "NO3": 34.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4893, 58.7923] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1727",
    "depth": 5.0,
    "PO4": 1.07,
    "SiOH4": 14.26,
    "NO3_NO2": 13.45,
    "NO2": 0.13,
    "NH4": null,
    "NO3": 13.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4893, 58.7923] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1727",
    "depth": 10.0,
    "PO4": 1.23,
    "SiOH4": 15.15,
    "NO3_NO2": 13.57,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 13.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4893, 58.7923] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1727",
    "depth": 25.0,
    "PO4": 1.27,
    "SiOH4": 15.15,
    "NO3_NO2": 13.61,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 13.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4893, 58.7923] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1727",
    "depth": 52.0,
    "PO4": 1.34,
    "SiOH4": 15.5,
    "NO3_NO2": 14.33,
    "NO2": 0.52,
    "NH4": null,
    "NO3": 13.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4893, 58.7923] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1727",
    "depth": 75.0,
    "PO4": 1.6,
    "SiOH4": 21.88,
    "NO3_NO2": 18.43,
    "NO2": 0.74,
    "NH4": null,
    "NO3": 17.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4893, 58.7923] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1727",
    "depth": 98.0,
    "PO4": 2.05,
    "SiOH4": 30.92,
    "NO3_NO2": 25.11,
    "NO2": 0.48,
    "NH4": null,
    "NO3": 24.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4893, 58.7923] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1727",
    "depth": 147.0,
    "PO4": 2.49,
    "SiOH4": 42.35,
    "NO3_NO2": 31.62,
    "NO2": 0.35,
    "NH4": null,
    "NO3": 31.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4893, 58.7923] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1727",
    "depth": 201.0,
    "PO4": 2.76,
    "SiOH4": 52.27,
    "NO3_NO2": 34.87,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 34.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4893, 58.7923] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 38,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1727",
    "depth": 287.0,
    "PO4": 3.06,
    "SiOH4": 64.59,
    "NO3_NO2": 38.29,
    "NO2": 0.57,
    "NH4": null,
    "NO3": 37.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4209, 58.7434] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1856",
    "depth": 1.0,
    "PO4": 1.1,
    "SiOH4": 15.02,
    "NO3_NO2": 13.28,
    "NO2": 0.2,
    "NH4": null,
    "NO3": 13.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4209, 58.7434] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1856",
    "depth": 10.0,
    "PO4": 1.23,
    "SiOH4": 14.26,
    "NO3_NO2": 13.32,
    "NO2": 0.31,
    "NH4": null,
    "NO3": 13.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4209, 58.7434] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1856",
    "depth": 24.0,
    "PO4": 1.37,
    "SiOH4": 15.37,
    "NO3_NO2": 13.44,
    "NO2": 0.37,
    "NH4": null,
    "NO3": 13.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4209, 58.7434] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1856",
    "depth": 50.0,
    "PO4": 1.52,
    "SiOH4": 20.47,
    "NO3_NO2": 17.37,
    "NO2": 0.13,
    "NH4": null,
    "NO3": 17.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4209, 58.7434] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1856",
    "depth": 72.0,
    "PO4": 1.88,
    "SiOH4": 27.51,
    "NO3_NO2": 22.59,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 22.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4209, 58.7434] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1856",
    "depth": 101.0,
    "PO4": 2.17,
    "SiOH4": 34.11,
    "NO3_NO2": 27.09,
    "NO2": 0.38,
    "NH4": null,
    "NO3": 26.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4209, 58.7434] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1856",
    "depth": 151.0,
    "PO4": 2.49,
    "SiOH4": 43.55,
    "NO3_NO2": 31.66,
    "NO2": 0.37,
    "NH4": null,
    "NO3": 31.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4209, 58.7434] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1856",
    "depth": 202.0,
    "PO4": 2.63,
    "SiOH4": 49.08,
    "NO3_NO2": 33.67,
    "NO2": 0.25,
    "NH4": null,
    "NO3": 33.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4209, 58.7434] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 39,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1856",
    "depth": 285.0,
    "PO4": 3.03,
    "SiOH4": 65.25,
    "NO3_NO2": 37.99,
    "NO2": 0.17,
    "NH4": null,
    "NO3": 37.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3489, 58.6795] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 40,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1952",
    "depth": 5.0,
    "PO4": 1.13,
    "SiOH4": 14.71,
    "NO3_NO2": 13.45,
    "NO2": 0.36,
    "NH4": null,
    "NO3": 13.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3489, 58.6795] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 40,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1952",
    "depth": 12.0,
    "PO4": 1.23,
    "SiOH4": 15.15,
    "NO3_NO2": 13.4,
    "NO2": 0.69,
    "NH4": null,
    "NO3": 12.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3489, 58.6795] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 40,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1952",
    "depth": 27.0,
    "PO4": 1.23,
    "SiOH4": 15.68,
    "NO3_NO2": 13.44,
    "NO2": 0.65,
    "NH4": null,
    "NO3": 12.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3489, 58.6795] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 40,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1952",
    "depth": 50.0,
    "PO4": 1.26,
    "SiOH4": 15.95,
    "NO3_NO2": 13.47,
    "NO2": 0.59,
    "NH4": null,
    "NO3": 12.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3489, 58.6795] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 40,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1952",
    "depth": 77.0,
    "PO4": 1.84,
    "SiOH4": 28.79,
    "NO3_NO2": 22.38,
    "NO2": 0.74,
    "NH4": null,
    "NO3": 21.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3489, 58.6795] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 40,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1952",
    "depth": 103.0,
    "PO4": 2.21,
    "SiOH4": 36.77,
    "NO3_NO2": 27.94,
    "NO2": 0.59,
    "NH4": null,
    "NO3": 27.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3489, 58.6795] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 40,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1952",
    "depth": 150.0,
    "PO4": 2.46,
    "SiOH4": 42.88,
    "NO3_NO2": 31.11,
    "NO2": 0.62,
    "NH4": null,
    "NO3": 30.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3489, 58.6795] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 40,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1952",
    "depth": 199.0,
    "PO4": 2.59,
    "SiOH4": 47.93,
    "NO3_NO2": 33.67,
    "NO2": 0.68,
    "NH4": null,
    "NO3": 32.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3489, 58.6795] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 40,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1952",
    "depth": 275.0,
    "PO4": 2.97,
    "SiOH4": 64.32,
    "NO3_NO2": 37.95,
    "NO2": 0.64,
    "NH4": null,
    "NO3": 37.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2779, 58.6114] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2049",
    "depth": 2.0,
    "PO4": 1.13,
    "SiOH4": 17.09,
    "NO3_NO2": 14.04,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 14.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2779, 58.6114] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2049",
    "depth": 9.0,
    "PO4": 1.28,
    "SiOH4": 17.97,
    "NO3_NO2": 14.15,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 14.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2779, 58.6114] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2049",
    "depth": 25.0,
    "PO4": 1.27,
    "SiOH4": 17.61,
    "NO3_NO2": 13.62,
    "NO2": 0.12,
    "NH4": null,
    "NO3": 13.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2779, 58.6114] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2049",
    "depth": 49.0,
    "PO4": 1.32,
    "SiOH4": 18.58,
    "NO3_NO2": 14.16,
    "NO2": 0.21,
    "NH4": null,
    "NO3": 13.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2779, 58.6114] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2049",
    "depth": 75.0,
    "PO4": 1.73,
    "SiOH4": 27.25,
    "NO3_NO2": 20.27,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 20.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2779, 58.6114] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2049",
    "depth": 100.0,
    "PO4": 2.21,
    "SiOH4": 39.91,
    "NO3_NO2": 26.82,
    "NO2": 0.13,
    "NH4": null,
    "NO3": 26.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2779, 58.6114] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2049",
    "depth": 149.0,
    "PO4": 2.46,
    "SiOH4": 46.11,
    "NO3_NO2": 31.17,
    "NO2": 0.12,
    "NH4": null,
    "NO3": 31.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2779, 58.6114] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2049",
    "depth": 199.0,
    "PO4": 2.56,
    "SiOH4": 45.04,
    "NO3_NO2": 32.87,
    "NO2": 0.12,
    "NH4": null,
    "NO3": 32.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2779, 58.6114] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2049",
    "depth": 300.0,
    "PO4": 2.84,
    "SiOH4": 55.75,
    "NO3_NO2": 36.28,
    "NO2": 0.06,
    "NH4": null,
    "NO3": 36.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2779, 58.6114] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2049",
    "depth": 502.0,
    "PO4": 3.2,
    "SiOH4": 75.86,
    "NO3_NO2": 40.33,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 40.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2779, 58.6114] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 41,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2049",
    "depth": 680.0,
    "PO4": 3.31,
    "SiOH4": 85.24,
    "NO3_NO2": 41.22,
    "NO2": 0.26,
    "NH4": null,
    "NO3": 40.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2104, 58.5419] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "GAK10",
    "water_depth": 1462,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2201",
    "depth": 3.0,
    "PO4": 1.09,
    "SiOH4": 14.12,
    "NO3_NO2": 13.15,
    "NO2": 0.28,
    "NH4": null,
    "NO3": 12.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2104, 58.5419] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "GAK10",
    "water_depth": 1462,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2201",
    "depth": 11.0,
    "PO4": 1.21,
    "SiOH4": 14.06,
    "NO3_NO2": 13.36,
    "NO2": 0.56,
    "NH4": null,
    "NO3": 12.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2104, 58.5419] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "GAK10",
    "water_depth": 1462,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2201",
    "depth": 24.0,
    "PO4": 1.3,
    "SiOH4": 14.18,
    "NO3_NO2": 13.57,
    "NO2": 0.72,
    "NH4": null,
    "NO3": 12.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2104, 58.5419] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "GAK10",
    "water_depth": 1462,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2201",
    "depth": 51.0,
    "PO4": 1.45,
    "SiOH4": 16.42,
    "NO3_NO2": 15.58,
    "NO2": 0.81,
    "NH4": null,
    "NO3": 14.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2104, 58.5419] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "GAK10",
    "water_depth": 1462,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2201",
    "depth": 76.0,
    "PO4": 1.96,
    "SiOH4": 29.21,
    "NO3_NO2": 24.14,
    "NO2": 0.76,
    "NH4": null,
    "NO3": 23.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2104, 58.5419] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "GAK10",
    "water_depth": 1462,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2201",
    "depth": 100.0,
    "PO4": 2.22,
    "SiOH4": 35.26,
    "NO3_NO2": 28.04,
    "NO2": 0.9,
    "NH4": null,
    "NO3": 27.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2104, 58.5419] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "GAK10",
    "water_depth": 1462,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2201",
    "depth": 147.0,
    "PO4": 2.39,
    "SiOH4": 38.48,
    "NO3_NO2": 30.6,
    "NO2": 0.9,
    "NH4": null,
    "NO3": 29.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2104, 58.5419] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "GAK10",
    "water_depth": 1462,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2201",
    "depth": 250.0,
    "PO4": 2.74,
    "SiOH4": 53.57,
    "NO3_NO2": 35.7,
    "NO2": 0.86,
    "NH4": null,
    "NO3": 34.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2104, 58.5419] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "GAK10",
    "water_depth": 1462,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2201",
    "depth": 497.0,
    "PO4": 3.18,
    "SiOH4": 75.93,
    "NO3_NO2": 40.45,
    "NO2": 0.97,
    "NH4": null,
    "NO3": 39.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2104, 58.5419] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "GAK10",
    "water_depth": 1462,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2201",
    "depth": 1004.0,
    "PO4": 3.35,
    "SiOH4": null,
    "NO3_NO2": 41.86,
    "NO2": 0.95,
    "NH4": null,
    "NO3": 40.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2104, 58.5419] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 42,
    "stn_id": "GAK10",
    "water_depth": 1462,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2201",
    "depth": 1452.0,
    "PO4": 3.34,
    "SiOH4": null,
    "NO3_NO2": 42.06,
    "NO2": 0.95,
    "NH4": null,
    "NO3": 41.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0707, 58.389] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0023",
    "depth": 3.0,
    "PO4": 1.33,
    "SiOH4": 15.51,
    "NO3_NO2": 13.65,
    "NO2": 0.06,
    "NH4": null,
    "NO3": 13.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0707, 58.389] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0023",
    "depth": 11.0,
    "PO4": 1.4,
    "SiOH4": 15.45,
    "NO3_NO2": 13.82,
    "NO2": 0.06,
    "NH4": null,
    "NO3": 13.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0707, 58.389] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0023",
    "depth": 26.0,
    "PO4": 1.45,
    "SiOH4": 15.49,
    "NO3_NO2": 14.74,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 14.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0707, 58.389] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0023",
    "depth": 51.0,
    "PO4": 1.71,
    "SiOH4": 21.18,
    "NO3_NO2": 17.98,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 17.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0707, 58.389] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0023",
    "depth": 74.0,
    "PO4": 2.24,
    "SiOH4": 31.82,
    "NO3_NO2": 25.33,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 25.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0707, 58.389] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0023",
    "depth": 99.0,
    "PO4": 3.05,
    "SiOH4": 59.21,
    "NO3_NO2": 35.57,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 35.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0707, 58.389] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0023",
    "depth": 251.0,
    "PO4": 3.53,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.0,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0707, 58.389] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0023",
    "depth": 499.0,
    "PO4": 3.65,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.01,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0707, 58.389] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 43,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0023",
    "depth": 998.0,
    "PO4": 3.64,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.04,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9319, 58.2445] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "GAK12",
    "water_depth": 2619,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0245",
    "depth": 3.0,
    "PO4": 1.33,
    "SiOH4": 15.83,
    "NO3_NO2": 14.72,
    "NO2": 0.06,
    "NH4": null,
    "NO3": 14.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9319, 58.2445] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "GAK12",
    "water_depth": 2619,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0245",
    "depth": 11.0,
    "PO4": 1.44,
    "SiOH4": 15.8,
    "NO3_NO2": 14.72,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 14.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9319, 58.2445] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "GAK12",
    "water_depth": 2619,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0245",
    "depth": 26.0,
    "PO4": 1.47,
    "SiOH4": 15.87,
    "NO3_NO2": 15.01,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 14.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9319, 58.2445] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "GAK12",
    "water_depth": 2619,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0245",
    "depth": 51.0,
    "PO4": 1.48,
    "SiOH4": 15.83,
    "NO3_NO2": 15.06,
    "NO2": 0.14,
    "NH4": null,
    "NO3": 14.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9319, 58.2445] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "GAK12",
    "water_depth": 2619,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0245",
    "depth": 76.0,
    "PO4": 1.51,
    "SiOH4": 17.36,
    "NO3_NO2": 16.18,
    "NO2": 0.15,
    "NH4": null,
    "NO3": 16.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9319, 58.2445] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "GAK12",
    "water_depth": 2619,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0245",
    "depth": 100.0,
    "PO4": 2.36,
    "SiOH4": 37.38,
    "NO3_NO2": 28.78,
    "NO2": 0.16,
    "NH4": null,
    "NO3": 28.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9319, 58.2445] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "GAK12",
    "water_depth": 2619,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0245",
    "depth": 250.0,
    "PO4": 3.01,
    "SiOH4": 63.82,
    "NO3_NO2": 37.32,
    "NO2": 0.17,
    "NH4": null,
    "NO3": 37.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9319, 58.2445] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "GAK12",
    "water_depth": 2619,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0245",
    "depth": 499.0,
    "PO4": 3.39,
    "SiOH4": null,
    "NO3_NO2": 40.68,
    "NO2": 0.26,
    "NH4": null,
    "NO3": 40.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9319, 58.2445] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "GAK12",
    "water_depth": 2619,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0245",
    "depth": 999.0,
    "PO4": 3.54,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.29,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9319, 58.2445] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 44,
    "stn_id": "GAK12",
    "water_depth": 2619,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0245",
    "depth": 1506.0,
    "PO4": 3.48,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.33,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7931, 58.0992] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "GAK13",
    "water_depth": 2170,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0459",
    "depth": 3.0,
    "PO4": 1.58,
    "SiOH4": 17.94,
    "NO3_NO2": 15.04,
    "NO2": 0.14,
    "NH4": null,
    "NO3": 14.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7931, 58.0992] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "GAK13",
    "water_depth": 2170,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0459",
    "depth": 25.0,
    "PO4": 1.57,
    "SiOH4": 18.16,
    "NO3_NO2": 15.4,
    "NO2": 0.17,
    "NH4": null,
    "NO3": 15.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7931, 58.0992] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "GAK13",
    "water_depth": 2170,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0459",
    "depth": 49.0,
    "PO4": 1.51,
    "SiOH4": 18.38,
    "NO3_NO2": 15.52,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 15.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7931, 58.0992] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "GAK13",
    "water_depth": 2170,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0459",
    "depth": 74.0,
    "PO4": 1.58,
    "SiOH4": 19.19,
    "NO3_NO2": 15.84,
    "NO2": 0.22,
    "NH4": null,
    "NO3": 15.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7931, 58.0992] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "GAK13",
    "water_depth": 2170,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0459",
    "depth": 101.0,
    "PO4": 2.47,
    "SiOH4": 42.0,
    "NO3_NO2": 29.43,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 29.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7931, 58.0992] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "GAK13",
    "water_depth": 2170,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0459",
    "depth": 250.0,
    "PO4": 3.12,
    "SiOH4": 69.38,
    "NO3_NO2": 37.54,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 37.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7931, 58.0992] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "GAK13",
    "water_depth": 2170,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0459",
    "depth": 499.0,
    "PO4": 3.5,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.07,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7931, 58.0992] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "GAK13",
    "water_depth": 2170,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0459",
    "depth": 1000.0,
    "PO4": 3.57,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.1,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7931, 58.0992] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 45,
    "stn_id": "GAK13",
    "water_depth": 2170,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0459",
    "depth": 1503.0,
    "PO4": 3.57,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.17,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9775, 59.3347] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "GAK4I",
    "water_depth": 194,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0110",
    "depth": 3.0,
    "PO4": 1.2,
    "SiOH4": 20.83,
    "NO3_NO2": 14.04,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 14.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9775, 59.3347] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "GAK4I",
    "water_depth": 194,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0110",
    "depth": 11.0,
    "PO4": 1.31,
    "SiOH4": 20.57,
    "NO3_NO2": 14.22,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 14.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9775, 59.3347] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "GAK4I",
    "water_depth": 194,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0110",
    "depth": 23.0,
    "PO4": 1.4,
    "SiOH4": 20.31,
    "NO3_NO2": 14.92,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 14.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9775, 59.3347] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "GAK4I",
    "water_depth": 194,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0110",
    "depth": 28.0,
    "PO4": 1.43,
    "SiOH4": 20.23,
    "NO3_NO2": 15.1,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 14.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9775, 59.3347] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "GAK4I",
    "water_depth": 194,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0110",
    "depth": 41.0,
    "PO4": 1.45,
    "SiOH4": 20.79,
    "NO3_NO2": 15.49,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 15.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9775, 59.3347] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "GAK4I",
    "water_depth": 194,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0110",
    "depth": 51.0,
    "PO4": 1.45,
    "SiOH4": 21.17,
    "NO3_NO2": 15.53,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 15.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9775, 59.3347] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "GAK4I",
    "water_depth": 194,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0110",
    "depth": 100.0,
    "PO4": 1.64,
    "SiOH4": 23.65,
    "NO3_NO2": 17.97,
    "NO2": 0.16,
    "NH4": null,
    "NO3": 17.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9775, 59.3347] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "GAK4I",
    "water_depth": 194,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0110",
    "depth": 152.0,
    "PO4": 2.18,
    "SiOH4": 37.73,
    "NO3_NO2": 26.28,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 26.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9775, 59.3347] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 47,
    "stn_id": "GAK4I",
    "water_depth": 194,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0110",
    "depth": 190.0,
    "PO4": 2.6,
    "SiOH4": 46.69,
    "NO3_NO2": 31.48,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 31.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0493, 59.4075] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "GAK4",
    "water_depth": 198,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0211",
    "depth": 3.0,
    "PO4": 1.27,
    "SiOH4": 21.04,
    "NO3_NO2": 14.0,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 13.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0493, 59.4075] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "GAK4",
    "water_depth": 198,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0211",
    "depth": 10.0,
    "PO4": 1.33,
    "SiOH4": 20.97,
    "NO3_NO2": 14.04,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 13.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0493, 59.4075] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "GAK4",
    "water_depth": 198,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0211",
    "depth": 20.0,
    "PO4": 1.35,
    "SiOH4": 20.98,
    "NO3_NO2": 14.48,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 14.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0493, 59.4075] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "GAK4",
    "water_depth": 198,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0211",
    "depth": 30.0,
    "PO4": 1.42,
    "SiOH4": 21.63,
    "NO3_NO2": 15.28,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 15.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0493, 59.4075] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "GAK4",
    "water_depth": 198,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0211",
    "depth": 41.0,
    "PO4": 1.45,
    "SiOH4": 22.47,
    "NO3_NO2": 16.12,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 16.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0493, 59.4075] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "GAK4",
    "water_depth": 198,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0211",
    "depth": 53.0,
    "PO4": 1.54,
    "SiOH4": 23.3,
    "NO3_NO2": 16.82,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 16.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0493, 59.4075] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "GAK4",
    "water_depth": 198,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0211",
    "depth": 81.0,
    "PO4": 1.45,
    "SiOH4": 20.94,
    "NO3_NO2": 15.66,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 15.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0493, 59.4075] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "GAK4",
    "water_depth": 198,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0211",
    "depth": 100.0,
    "PO4": 1.47,
    "SiOH4": 20.96,
    "NO3_NO2": 16.15,
    "NO2": 0.16,
    "NH4": null,
    "NO3": 15.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0493, 59.4075] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "GAK4",
    "water_depth": 198,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0211",
    "depth": 149.0,
    "PO4": 1.94,
    "SiOH4": 31.56,
    "NO3_NO2": 23.03,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 22.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0493, 59.4075] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 48,
    "stn_id": "GAK4",
    "water_depth": 198,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0211",
    "depth": 194.0,
    "PO4": 2.46,
    "SiOH4": 42.53,
    "NO3_NO2": 29.83,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 29.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1183, 59.482] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "GAK3I",
    "water_depth": 202,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0311",
    "depth": 3.0,
    "PO4": 1.21,
    "SiOH4": 20.32,
    "NO3_NO2": 14.18,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 14.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1183, 59.482] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "GAK3I",
    "water_depth": 202,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0311",
    "depth": 10.0,
    "PO4": 1.33,
    "SiOH4": 20.36,
    "NO3_NO2": 14.19,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 14.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1183, 59.482] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "GAK3I",
    "water_depth": 202,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0311",
    "depth": 21.0,
    "PO4": 1.34,
    "SiOH4": 20.5,
    "NO3_NO2": 14.24,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 14.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1183, 59.482] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "GAK3I",
    "water_depth": 202,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0311",
    "depth": 33.0,
    "PO4": 1.37,
    "SiOH4": 20.64,
    "NO3_NO2": 14.55,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 14.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1183, 59.482] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "GAK3I",
    "water_depth": 202,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0311",
    "depth": 43.0,
    "PO4": 1.41,
    "SiOH4": 20.96,
    "NO3_NO2": 14.91,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 14.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1183, 59.482] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "GAK3I",
    "water_depth": 202,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0311",
    "depth": 51.0,
    "PO4": 1.49,
    "SiOH4": 22.29,
    "NO3_NO2": 15.85,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 15.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1183, 59.482] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "GAK3I",
    "water_depth": 202,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0311",
    "depth": 73.0,
    "PO4": 1.44,
    "SiOH4": 20.96,
    "NO3_NO2": 15.32,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 15.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1183, 59.482] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "GAK3I",
    "water_depth": 202,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0311",
    "depth": 104.0,
    "PO4": 1.63,
    "SiOH4": 23.57,
    "NO3_NO2": 18.04,
    "NO2": 0.16,
    "NH4": null,
    "NO3": 17.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1183, 59.482] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "GAK3I",
    "water_depth": 202,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0311",
    "depth": 151.0,
    "PO4": 2.17,
    "SiOH4": 36.4,
    "NO3_NO2": 24.98,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 24.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1183, 59.482] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 49,
    "stn_id": "GAK3I",
    "water_depth": 202,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0311",
    "depth": 201.0,
    "PO4": 2.39,
    "SiOH4": 40.92,
    "NO3_NO2": 29.2,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 29.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1883, 59.5542] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0356",
    "depth": 3.0,
    "PO4": 1.3,
    "SiOH4": 20.42,
    "NO3_NO2": 14.0,
    "NO2": 0.13,
    "NH4": null,
    "NO3": 13.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1883, 59.5542] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0356",
    "depth": 12.0,
    "PO4": 1.38,
    "SiOH4": 20.47,
    "NO3_NO2": 14.01,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 13.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1883, 59.5542] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0356",
    "depth": 22.0,
    "PO4": 1.4,
    "SiOH4": 20.88,
    "NO3_NO2": 14.72,
    "NO2": 0.3,
    "NH4": null,
    "NO3": 14.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1883, 59.5542] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0356",
    "depth": 29.0,
    "PO4": 1.42,
    "SiOH4": 23.03,
    "NO3_NO2": 15.84,
    "NO2": 0.22,
    "NH4": null,
    "NO3": 15.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1883, 59.5542] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0356",
    "depth": 37.0,
    "PO4": 1.47,
    "SiOH4": 23.26,
    "NO3_NO2": 16.38,
    "NO2": 0.24,
    "NH4": null,
    "NO3": 16.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1883, 59.5542] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0356",
    "depth": 52.0,
    "PO4": 1.46,
    "SiOH4": 23.03,
    "NO3_NO2": 15.4,
    "NO2": 0.24,
    "NH4": null,
    "NO3": 15.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1883, 59.5542] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0356",
    "depth": 68.0,
    "PO4": 1.45,
    "SiOH4": 23.9,
    "NO3_NO2": 15.72,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 15.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1883, 59.5542] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0356",
    "depth": 102.0,
    "PO4": 1.64,
    "SiOH4": 27.05,
    "NO3_NO2": 16.97,
    "NO2": 0.16,
    "NH4": null,
    "NO3": 16.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1883, 59.5542] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0356",
    "depth": 150.0,
    "PO4": 1.76,
    "SiOH4": 29.2,
    "NO3_NO2": 19.28,
    "NO2": 0.22,
    "NH4": null,
    "NO3": 19.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1883, 59.5542] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 50,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0356",
    "depth": 211.0,
    "PO4": 2.76,
    "SiOH4": 41.3,
    "NO3_NO2": 25.24,
    "NO2": 0.13,
    "NH4": null,
    "NO3": 25.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2606, 59.6261] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0443",
    "depth": 3.0,
    "PO4": 1.3,
    "SiOH4": 20.44,
    "NO3_NO2": 13.83,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 13.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2606, 59.6261] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0443",
    "depth": 11.0,
    "PO4": 1.4,
    "SiOH4": 20.85,
    "NO3_NO2": 14.63,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 14.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2606, 59.6261] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0443",
    "depth": 19.0,
    "PO4": 1.44,
    "SiOH4": 20.9,
    "NO3_NO2": 14.63,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 14.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2606, 59.6261] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0443",
    "depth": 32.0,
    "PO4": 1.45,
    "SiOH4": 20.85,
    "NO3_NO2": 15.08,
    "NO2": 0.16,
    "NH4": null,
    "NO3": 14.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2606, 59.6261] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0443",
    "depth": 41.0,
    "PO4": 1.43,
    "SiOH4": 20.9,
    "NO3_NO2": 15.09,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 15.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2606, 59.6261] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0443",
    "depth": 52.0,
    "PO4": 1.41,
    "SiOH4": 20.95,
    "NO3_NO2": 15.22,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 15.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2606, 59.6261] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0443",
    "depth": 75.0,
    "PO4": 1.44,
    "SiOH4": 20.99,
    "NO3_NO2": 15.36,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 15.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2606, 59.6261] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0443",
    "depth": 98.0,
    "PO4": 1.43,
    "SiOH4": 21.22,
    "NO3_NO2": 15.37,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 15.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2606, 59.6261] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0443",
    "depth": 147.0,
    "PO4": 1.51,
    "SiOH4": 22.55,
    "NO3_NO2": 16.48,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 16.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2606, 59.6261] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 51,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0443",
    "depth": 203.0,
    "PO4": 2.09,
    "SiOH4": 33.46,
    "NO3_NO2": 21.33,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 21.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.328, 59.6905] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0528",
    "depth": 3.0,
    "PO4": 1.24,
    "SiOH4": 20.04,
    "NO3_NO2": 13.86,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 13.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.328, 59.6905] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0528",
    "depth": 14.0,
    "PO4": 1.3,
    "SiOH4": 20.46,
    "NO3_NO2": 13.98,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 13.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.328, 59.6905] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0528",
    "depth": 22.0,
    "PO4": 1.32,
    "SiOH4": 20.42,
    "NO3_NO2": 14.11,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 14.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.328, 59.6905] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0528",
    "depth": 30.0,
    "PO4": 1.34,
    "SiOH4": 20.47,
    "NO3_NO2": 14.85,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 14.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.328, 59.6905] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0528",
    "depth": 42.0,
    "PO4": 1.34,
    "SiOH4": 20.52,
    "NO3_NO2": 14.13,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 14.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.328, 59.6905] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0528",
    "depth": 50.0,
    "PO4": 1.36,
    "SiOH4": 20.48,
    "NO3_NO2": 14.65,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 14.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.328, 59.6905] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0528",
    "depth": 58.0,
    "PO4": 1.42,
    "SiOH4": 21.99,
    "NO3_NO2": 15.36,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 15.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.328, 59.6905] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0528",
    "depth": 75.0,
    "PO4": 1.37,
    "SiOH4": 20.85,
    "NO3_NO2": 15.08,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 14.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.328, 59.6905] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0528",
    "depth": 101.0,
    "PO4": 1.42,
    "SiOH4": 20.9,
    "NO3_NO2": 14.76,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 14.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.328, 59.6905] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0528",
    "depth": 149.0,
    "PO4": 1.43,
    "SiOH4": 20.86,
    "NO3_NO2": 15.06,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 14.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.328, 59.6905] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 52,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0528",
    "depth": 219.0,
    "PO4": 2.0,
    "SiOH4": 31.93,
    "NO3_NO2": 22.92,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 22.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3981, 59.7655] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0623",
    "depth": 2.0,
    "PO4": 1.02,
    "SiOH4": 16.2,
    "NO3_NO2": 11.0,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 10.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3981, 59.7655] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0623",
    "depth": 13.0,
    "PO4": 1.07,
    "SiOH4": 16.26,
    "NO3_NO2": 10.94,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 10.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3981, 59.7655] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0623",
    "depth": 23.0,
    "PO4": 1.11,
    "SiOH4": 16.6,
    "NO3_NO2": 11.11,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 11.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3981, 59.7655] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0623",
    "depth": 32.0,
    "PO4": 1.17,
    "SiOH4": 17.57,
    "NO3_NO2": 11.86,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 11.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3981, 59.7655] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0623",
    "depth": 48.0,
    "PO4": 1.2,
    "SiOH4": 18.82,
    "NO3_NO2": 12.47,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 12.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3981, 59.7655] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0623",
    "depth": 75.0,
    "PO4": 1.32,
    "SiOH4": 20.71,
    "NO3_NO2": 14.02,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 13.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3981, 59.7655] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0623",
    "depth": 101.0,
    "PO4": 1.32,
    "SiOH4": 20.77,
    "NO3_NO2": 14.09,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 14.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3981, 59.7655] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0623",
    "depth": 150.0,
    "PO4": 1.35,
    "SiOH4": 21.02,
    "NO3_NO2": 14.44,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 14.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3981, 59.7655] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0623",
    "depth": 176.0,
    "PO4": 1.42,
    "SiOH4": 22.0,
    "NO3_NO2": 15.45,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 15.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3981, 59.7655] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0623",
    "depth": 202.0,
    "PO4": 1.68,
    "SiOH4": 27.17,
    "NO3_NO2": 18.96,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 18.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3981, 59.7655] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 53,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0623",
    "depth": 261.0,
    "PO4": 2.28,
    "SiOH4": 40.84,
    "NO3_NO2": 26.15,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 26.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4694, 59.8445] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0723",
    "depth": 2.0,
    "PO4": 0.84,
    "SiOH4": 14.09,
    "NO3_NO2": 9.82,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 9.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4694, 59.8445] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0723",
    "depth": 11.0,
    "PO4": 0.94,
    "SiOH4": 13.93,
    "NO3_NO2": 9.76,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 9.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4694, 59.8445] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0723",
    "depth": 21.0,
    "PO4": 0.96,
    "SiOH4": 13.68,
    "NO3_NO2": 9.98,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 9.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4694, 59.8445] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0723",
    "depth": 31.0,
    "PO4": 1.01,
    "SiOH4": 13.89,
    "NO3_NO2": 10.15,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 10.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4694, 59.8445] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0723",
    "depth": 50.0,
    "PO4": 1.07,
    "SiOH4": 14.37,
    "NO3_NO2": 10.14,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 10.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4694, 59.8445] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0723",
    "depth": 70.0,
    "PO4": 1.11,
    "SiOH4": 15.76,
    "NO3_NO2": 11.29,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 11.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4694, 59.8445] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0723",
    "depth": 105.0,
    "PO4": 1.27,
    "SiOH4": 18.25,
    "NO3_NO2": 13.1,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 13.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4694, 59.8445] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0723",
    "depth": 148.0,
    "PO4": 1.75,
    "SiOH4": 27.13,
    "NO3_NO2": 19.72,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 19.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4694, 59.8445] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0723",
    "depth": 198.0,
    "PO4": 1.73,
    "SiOH4": 25.42,
    "NO3_NO2": 19.17,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 19.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4694, 59.8445] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 54,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0723",
    "depth": 269.0,
    "PO4": 2.47,
    "SiOH4": 40.51,
    "NO3_NO2": 27.39,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 27.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1916, 60.1431] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "HE12",
    "water_depth": 177,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1701",
    "depth": 2.0,
    "PO4": 1.26,
    "SiOH4": 16.98,
    "NO3_NO2": 13.2,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 13.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1916, 60.1431] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "HE12",
    "water_depth": 177,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1701",
    "depth": 12.0,
    "PO4": 1.36,
    "SiOH4": 17.07,
    "NO3_NO2": 13.38,
    "NO2": 0.09,
    "NH4": null,
    "NO3": 13.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1916, 60.1431] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "HE12",
    "water_depth": 177,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1701",
    "depth": 26.0,
    "PO4": 1.39,
    "SiOH4": 17.16,
    "NO3_NO2": 13.74,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 13.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1916, 60.1431] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "HE12",
    "water_depth": 177,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1701",
    "depth": 51.0,
    "PO4": 1.42,
    "SiOH4": 17.35,
    "NO3_NO2": 14.0,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 13.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1916, 60.1431] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "HE12",
    "water_depth": 177,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1701",
    "depth": 75.0,
    "PO4": 1.44,
    "SiOH4": 17.35,
    "NO3_NO2": 14.14,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 14.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1916, 60.1431] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "HE12",
    "water_depth": 177,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1701",
    "depth": 101.0,
    "PO4": 1.46,
    "SiOH4": 18.08,
    "NO3_NO2": 14.27,
    "NO2": 0.13,
    "NH4": null,
    "NO3": 14.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1916, 60.1431] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "HE12",
    "water_depth": 177,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1701",
    "depth": 152.0,
    "PO4": 1.85,
    "SiOH4": 22.55,
    "NO3_NO2": 17.42,
    "NO2": 0.18,
    "NH4": null,
    "NO3": 17.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1916, 60.1431] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 55,
    "stn_id": "HE12",
    "water_depth": 177,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1701",
    "depth": 167.0,
    "PO4": 1.87,
    "SiOH4": 23.1,
    "NO3_NO2": 18.18,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 17.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1338, 60.1313] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1730",
    "depth": 3.0,
    "PO4": 1.3,
    "SiOH4": 17.44,
    "NO3_NO2": 13.74,
    "NO2": 0.16,
    "NH4": null,
    "NO3": 13.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1338, 60.1313] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1730",
    "depth": 10.0,
    "PO4": 1.38,
    "SiOH4": 17.53,
    "NO3_NO2": 13.91,
    "NO2": 0.17,
    "NH4": null,
    "NO3": 13.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1338, 60.1313] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1730",
    "depth": 26.0,
    "PO4": 1.39,
    "SiOH4": 17.8,
    "NO3_NO2": 14.0,
    "NO2": 0.16,
    "NH4": null,
    "NO3": 13.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1338, 60.1313] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1730",
    "depth": 52.0,
    "PO4": 1.4,
    "SiOH4": 18.08,
    "NO3_NO2": 14.0,
    "NO2": 0.16,
    "NH4": null,
    "NO3": 13.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1338, 60.1313] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1730",
    "depth": 74.0,
    "PO4": 1.4,
    "SiOH4": 18.44,
    "NO3_NO2": 14.09,
    "NO2": 0.15,
    "NH4": null,
    "NO3": 13.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1338, 60.1313] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1730",
    "depth": 101.0,
    "PO4": 1.4,
    "SiOH4": 18.17,
    "NO3_NO2": 14.45,
    "NO2": 0.16,
    "NH4": null,
    "NO3": 14.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1338, 60.1313] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1730",
    "depth": 149.0,
    "PO4": 1.48,
    "SiOH4": 19.63,
    "NO3_NO2": 15.34,
    "NO2": 0.15,
    "NH4": null,
    "NO3": 15.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1338, 60.1313] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 56,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1730",
    "depth": 217.0,
    "PO4": 2.03,
    "SiOH4": 30.31,
    "NO3_NO2": 22.49,
    "NO2": 0.14,
    "NH4": null,
    "NO3": 22.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0508, 60.1104] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "HE10",
    "water_depth": 278,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1807",
    "depth": 2.0,
    "PO4": 1.23,
    "SiOH4": 18.27,
    "NO3_NO2": 14.09,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 14.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0508, 60.1104] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "HE10",
    "water_depth": 278,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1807",
    "depth": 11.0,
    "PO4": 1.33,
    "SiOH4": 18.27,
    "NO3_NO2": 14.14,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 14.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0508, 60.1104] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "HE10",
    "water_depth": 278,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1807",
    "depth": 25.0,
    "PO4": 1.41,
    "SiOH4": 18.64,
    "NO3_NO2": 14.36,
    "NO2": 0.09,
    "NH4": null,
    "NO3": 14.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0508, 60.1104] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "HE10",
    "water_depth": 278,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1807",
    "depth": 51.0,
    "PO4": 1.4,
    "SiOH4": 18.37,
    "NO3_NO2": 14.22,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 14.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0508, 60.1104] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "HE10",
    "water_depth": 278,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1807",
    "depth": 75.0,
    "PO4": 1.39,
    "SiOH4": 18.29,
    "NO3_NO2": 14.27,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 14.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0508, 60.1104] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "HE10",
    "water_depth": 278,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1807",
    "depth": 101.0,
    "PO4": 1.39,
    "SiOH4": 18.02,
    "NO3_NO2": 14.18,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 14.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0508, 60.1104] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "HE10",
    "water_depth": 278,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1807",
    "depth": 150.0,
    "PO4": 1.37,
    "SiOH4": 17.29,
    "NO3_NO2": 14.0,
    "NO2": 0.15,
    "NH4": null,
    "NO3": 13.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0508, 60.1104] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "HE10",
    "water_depth": 278,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1807",
    "depth": 200.0,
    "PO4": 1.93,
    "SiOH4": 28.89,
    "NO3_NO2": 21.42,
    "NO2": 0.06,
    "NH4": null,
    "NO3": 21.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0508, 60.1104] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "HE10",
    "water_depth": 278,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1807",
    "depth": 249.0,
    "PO4": 2.1,
    "SiOH4": 31.36,
    "NO3_NO2": 23.11,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 23.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0508, 60.1104] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 57,
    "stn_id": "HE10",
    "water_depth": 278,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1807",
    "depth": 275.0,
    "PO4": 2.2,
    "SiOH4": 32.46,
    "NO3_NO2": 23.87,
    "NO2": 0.16,
    "NH4": null,
    "NO3": 23.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9629, 60.0941] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 58,
    "stn_id": "HE9",
    "water_depth": 149,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1845",
    "depth": 2.0,
    "PO4": 1.24,
    "SiOH4": 16.76,
    "NO3_NO2": 13.11,
    "NO2": 0.15,
    "NH4": null,
    "NO3": 12.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9629, 60.0941] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 58,
    "stn_id": "HE9",
    "water_depth": 149,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1845",
    "depth": 11.0,
    "PO4": 1.31,
    "SiOH4": 17.04,
    "NO3_NO2": 13.2,
    "NO2": 0.12,
    "NH4": null,
    "NO3": 13.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9629, 60.0941] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 58,
    "stn_id": "HE9",
    "water_depth": 149,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1845",
    "depth": 25.0,
    "PO4": 1.37,
    "SiOH4": 17.14,
    "NO3_NO2": 13.6,
    "NO2": 0.14,
    "NH4": null,
    "NO3": 13.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9629, 60.0941] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 58,
    "stn_id": "HE9",
    "water_depth": 149,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1845",
    "depth": 52.0,
    "PO4": 1.39,
    "SiOH4": 17.24,
    "NO3_NO2": 13.69,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 13.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9629, 60.0941] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 58,
    "stn_id": "HE9",
    "water_depth": 149,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1845",
    "depth": 74.0,
    "PO4": 1.37,
    "SiOH4": 16.6,
    "NO3_NO2": 14.45,
    "NO2": 0.13,
    "NH4": null,
    "NO3": 14.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9629, 60.0941] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 58,
    "stn_id": "HE9",
    "water_depth": 149,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1845",
    "depth": 102.0,
    "PO4": 1.38,
    "SiOH4": 16.42,
    "NO3_NO2": 14.36,
    "NO2": 0.12,
    "NH4": null,
    "NO3": 14.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9629, 60.0941] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 58,
    "stn_id": "HE9",
    "water_depth": 149,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1845",
    "depth": 146.0,
    "PO4": 1.36,
    "SiOH4": 15.61,
    "NO3_NO2": 14.27,
    "NO2": 0.17,
    "NH4": null,
    "NO3": 14.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8764, 60.0757] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 59,
    "stn_id": "HE8",
    "water_depth": 108,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1916",
    "depth": 2.0,
    "PO4": 1.25,
    "SiOH4": 13.26,
    "NO3_NO2": 13.91,
    "NO2": 0.13,
    "NH4": null,
    "NO3": 13.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8764, 60.0757] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 59,
    "stn_id": "HE8",
    "water_depth": 108,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1916",
    "depth": 9.0,
    "PO4": 1.35,
    "SiOH4": 13.29,
    "NO3_NO2": 14.03,
    "NO2": 0.13,
    "NH4": null,
    "NO3": 13.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8764, 60.0757] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 59,
    "stn_id": "HE8",
    "water_depth": 108,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1916",
    "depth": 24.0,
    "PO4": 1.44,
    "SiOH4": 13.41,
    "NO3_NO2": 14.03,
    "NO2": 0.12,
    "NH4": null,
    "NO3": 13.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8764, 60.0757] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 59,
    "stn_id": "HE8",
    "water_depth": 108,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1916",
    "depth": 49.0,
    "PO4": 1.54,
    "SiOH4": 13.34,
    "NO3_NO2": 14.02,
    "NO2": 0.12,
    "NH4": null,
    "NO3": 13.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8764, 60.0757] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 59,
    "stn_id": "HE8",
    "water_depth": 108,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1916",
    "depth": 75.0,
    "PO4": 1.43,
    "SiOH4": 13.1,
    "NO3_NO2": 14.01,
    "NO2": 0.14,
    "NH4": null,
    "NO3": 13.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8764, 60.0757] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 59,
    "stn_id": "HE8",
    "water_depth": 108,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1916",
    "depth": 106.0,
    "PO4": 1.51,
    "SiOH4": 13.03,
    "NO3_NO2": 13.96,
    "NO2": 0.14,
    "NH4": null,
    "NO3": 13.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7936, 60.057] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "HE7",
    "water_depth": 121,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1945",
    "depth": 2.0,
    "PO4": 1.37,
    "SiOH4": 13.79,
    "NO3_NO2": 13.87,
    "NO2": 0.16,
    "NH4": null,
    "NO3": 13.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7936, 60.057] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "HE7",
    "water_depth": 121,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1945",
    "depth": 10.0,
    "PO4": 1.44,
    "SiOH4": 13.81,
    "NO3_NO2": 13.91,
    "NO2": 0.16,
    "NH4": null,
    "NO3": 13.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7936, 60.057] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "HE7",
    "water_depth": 121,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1945",
    "depth": 26.0,
    "PO4": 1.43,
    "SiOH4": 13.75,
    "NO3_NO2": 13.99,
    "NO2": 0.15,
    "NH4": null,
    "NO3": 13.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7936, 60.057] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "HE7",
    "water_depth": 121,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1945",
    "depth": 51.0,
    "PO4": 1.45,
    "SiOH4": 13.5,
    "NO3_NO2": 13.98,
    "NO2": 0.15,
    "NH4": null,
    "NO3": 13.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7936, 60.057] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "HE7",
    "water_depth": 121,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1945",
    "depth": 73.0,
    "PO4": 1.4,
    "SiOH4": 13.43,
    "NO3_NO2": 13.98,
    "NO2": 0.17,
    "NH4": null,
    "NO3": 13.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7936, 60.057] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "HE7",
    "water_depth": 121,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1945",
    "depth": 97.0,
    "PO4": 1.41,
    "SiOH4": 13.1,
    "NO3_NO2": 13.97,
    "NO2": 0.17,
    "NH4": null,
    "NO3": 13.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7936, 60.057] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 60,
    "stn_id": "HE7",
    "water_depth": 121,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "1945",
    "depth": 117.0,
    "PO4": 1.41,
    "SiOH4": 13.03,
    "NO3_NO2": 14.01,
    "NO2": 0.17,
    "NH4": null,
    "NO3": 13.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.701, 60.043] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 61,
    "stn_id": "HE6",
    "water_depth": 120,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2014",
    "depth": 2.0,
    "PO4": 1.25,
    "SiOH4": 14.25,
    "NO3_NO2": 13.78,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 13.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.701, 60.043] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 61,
    "stn_id": "HE6",
    "water_depth": 120,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2014",
    "depth": 10.0,
    "PO4": 1.35,
    "SiOH4": 14.99,
    "NO3_NO2": 14.0,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 13.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.701, 60.043] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 61,
    "stn_id": "HE6",
    "water_depth": 120,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2014",
    "depth": 26.0,
    "PO4": 1.36,
    "SiOH4": 14.99,
    "NO3_NO2": 14.09,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 14.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.701, 60.043] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 61,
    "stn_id": "HE6",
    "water_depth": 120,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2014",
    "depth": 50.0,
    "PO4": 1.41,
    "SiOH4": 15.09,
    "NO3_NO2": 14.22,
    "NO2": 0.09,
    "NH4": null,
    "NO3": 14.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.701, 60.043] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 61,
    "stn_id": "HE6",
    "water_depth": 120,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2014",
    "depth": 75.0,
    "PO4": 1.43,
    "SiOH4": 15.56,
    "NO3_NO2": 14.31,
    "NO2": 0.09,
    "NH4": null,
    "NO3": 14.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.701, 60.043] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 61,
    "stn_id": "HE6",
    "water_depth": 120,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2014",
    "depth": 119.0,
    "PO4": 1.44,
    "SiOH4": 16.11,
    "NO3_NO2": 14.4,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 14.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6072, 60.0312] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "HE5",
    "water_depth": 96,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2042",
    "depth": 3.0,
    "PO4": 1.3,
    "SiOH4": 15.84,
    "NO3_NO2": 14.14,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 14.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6072, 60.0312] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "HE5",
    "water_depth": 96,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2042",
    "depth": 10.0,
    "PO4": 1.37,
    "SiOH4": 16.58,
    "NO3_NO2": 14.27,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 14.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6072, 60.0312] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "HE5",
    "water_depth": 96,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2042",
    "depth": 25.0,
    "PO4": 1.38,
    "SiOH4": 16.77,
    "NO3_NO2": 14.49,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 14.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6072, 60.0312] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "HE5",
    "water_depth": 96,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2042",
    "depth": 48.0,
    "PO4": 1.43,
    "SiOH4": 17.23,
    "NO3_NO2": 14.67,
    "NO2": 0.12,
    "NH4": null,
    "NO3": 14.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6072, 60.0312] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "HE5",
    "water_depth": 96,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2042",
    "depth": 74.0,
    "PO4": 1.42,
    "SiOH4": 17.52,
    "NO3_NO2": 14.85,
    "NO2": 0.12,
    "NH4": null,
    "NO3": 14.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6072, 60.0312] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 62,
    "stn_id": "HE5",
    "water_depth": 96,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2042",
    "depth": 95.0,
    "PO4": 1.44,
    "SiOH4": 17.61,
    "NO3_NO2": 15.11,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 15.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6087, 60.0807] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 63,
    "stn_id": "HE4",
    "water_depth": 117,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2110",
    "depth": 2.0,
    "PO4": 1.23,
    "SiOH4": 19.36,
    "NO3_NO2": 14.54,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 14.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6087, 60.0807] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 63,
    "stn_id": "HE4",
    "water_depth": 117,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2110",
    "depth": 11.0,
    "PO4": 1.34,
    "SiOH4": 19.45,
    "NO3_NO2": 14.54,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 14.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6087, 60.0807] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 63,
    "stn_id": "HE4",
    "water_depth": 117,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2110",
    "depth": 24.0,
    "PO4": 1.38,
    "SiOH4": 19.36,
    "NO3_NO2": 14.62,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 14.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6087, 60.0807] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 63,
    "stn_id": "HE4",
    "water_depth": 117,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2110",
    "depth": 49.0,
    "PO4": 1.39,
    "SiOH4": 19.36,
    "NO3_NO2": 14.89,
    "NO2": 0.22,
    "NH4": null,
    "NO3": 14.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6087, 60.0807] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 63,
    "stn_id": "HE4",
    "water_depth": 117,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2110",
    "depth": 74.0,
    "PO4": 1.4,
    "SiOH4": 19.45,
    "NO3_NO2": 14.85,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 14.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6087, 60.0807] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 63,
    "stn_id": "HE4",
    "water_depth": 117,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2110",
    "depth": 109.0,
    "PO4": 1.44,
    "SiOH4": 19.45,
    "NO3_NO2": 14.8,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 14.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6085, 60.1307] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 64,
    "stn_id": "HE3",
    "water_depth": 116,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2139",
    "depth": 3.0,
    "PO4": 1.33,
    "SiOH4": 19.99,
    "NO3_NO2": 14.45,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 14.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6085, 60.1307] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 64,
    "stn_id": "HE3",
    "water_depth": 116,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2139",
    "depth": 12.0,
    "PO4": 1.39,
    "SiOH4": 19.99,
    "NO3_NO2": 14.62,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 14.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6085, 60.1307] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 64,
    "stn_id": "HE3",
    "water_depth": 116,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2139",
    "depth": 27.0,
    "PO4": 1.4,
    "SiOH4": 19.99,
    "NO3_NO2": 14.62,
    "NO2": 0.22,
    "NH4": null,
    "NO3": 14.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6085, 60.1307] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 64,
    "stn_id": "HE3",
    "water_depth": 116,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2139",
    "depth": 51.0,
    "PO4": 1.39,
    "SiOH4": 19.9,
    "NO3_NO2": 14.62,
    "NO2": 0.22,
    "NH4": null,
    "NO3": 14.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6085, 60.1307] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 64,
    "stn_id": "HE3",
    "water_depth": 116,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2139",
    "depth": 74.0,
    "PO4": 1.39,
    "SiOH4": 19.81,
    "NO3_NO2": 14.62,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 14.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6085, 60.1307] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 64,
    "stn_id": "HE3",
    "water_depth": 116,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2139",
    "depth": 111.0,
    "PO4": 1.39,
    "SiOH4": 19.72,
    "NO3_NO2": 14.54,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 14.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6113, 60.1789] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 65,
    "stn_id": "HE2",
    "water_depth": 198,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2207",
    "depth": 1.0,
    "PO4": 1.29,
    "SiOH4": 19.68,
    "NO3_NO2": 13.56,
    "NO2": 0.16,
    "NH4": null,
    "NO3": 13.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6113, 60.1789] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 65,
    "stn_id": "HE2",
    "water_depth": 198,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2207",
    "depth": 10.0,
    "PO4": 1.37,
    "SiOH4": 19.82,
    "NO3_NO2": 14.05,
    "NO2": 0.16,
    "NH4": null,
    "NO3": 13.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6113, 60.1789] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 65,
    "stn_id": "HE2",
    "water_depth": 198,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2207",
    "depth": 25.0,
    "PO4": 1.37,
    "SiOH4": 20.15,
    "NO3_NO2": 14.62,
    "NO2": 0.16,
    "NH4": null,
    "NO3": 14.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6113, 60.1789] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 65,
    "stn_id": "HE2",
    "water_depth": 198,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2207",
    "depth": 50.0,
    "PO4": 1.38,
    "SiOH4": 19.92,
    "NO3_NO2": 14.67,
    "NO2": 0.16,
    "NH4": null,
    "NO3": 14.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6113, 60.1789] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 65,
    "stn_id": "HE2",
    "water_depth": 198,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2207",
    "depth": 77.0,
    "PO4": 1.38,
    "SiOH4": 19.61,
    "NO3_NO2": 14.67,
    "NO2": 0.16,
    "NH4": null,
    "NO3": 14.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6113, 60.1789] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 65,
    "stn_id": "HE2",
    "water_depth": 198,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2207",
    "depth": 126.0,
    "PO4": 1.37,
    "SiOH4": 19.57,
    "NO3_NO2": 14.67,
    "NO2": 0.16,
    "NH4": null,
    "NO3": 14.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6113, 60.1789] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 65,
    "stn_id": "HE2",
    "water_depth": 198,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2207",
    "depth": 184.0,
    "PO4": 1.41,
    "SiOH4": 19.62,
    "NO3_NO2": 14.22,
    "NO2": 0.16,
    "NH4": null,
    "NO3": 14.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6119, 60.205] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 66,
    "stn_id": "HE1I",
    "water_depth": 100,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2241",
    "depth": 1.0,
    "PO4": 1.33,
    "SiOH4": 19.85,
    "NO3_NO2": 13.69,
    "NO2": 0.16,
    "NH4": null,
    "NO3": 13.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6119, 60.205] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 66,
    "stn_id": "HE1I",
    "water_depth": 100,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2241",
    "depth": 11.0,
    "PO4": 1.38,
    "SiOH4": 19.81,
    "NO3_NO2": 13.78,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 13.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6119, 60.205] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 66,
    "stn_id": "HE1I",
    "water_depth": 100,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2241",
    "depth": 23.0,
    "PO4": 1.4,
    "SiOH4": 20.23,
    "NO3_NO2": 13.91,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 13.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6119, 60.205] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 66,
    "stn_id": "HE1I",
    "water_depth": 100,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2241",
    "depth": 30.0,
    "PO4": 1.42,
    "SiOH4": 20.37,
    "NO3_NO2": 14.31,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 14.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6119, 60.205] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 66,
    "stn_id": "HE1I",
    "water_depth": 100,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2241",
    "depth": 40.0,
    "PO4": 1.41,
    "SiOH4": 20.42,
    "NO3_NO2": 14.58,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 14.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6119, 60.205] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 66,
    "stn_id": "HE1I",
    "water_depth": 100,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2241",
    "depth": 50.0,
    "PO4": 1.4,
    "SiOH4": 20.38,
    "NO3_NO2": 14.58,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 14.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6119, 60.205] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 66,
    "stn_id": "HE1I",
    "water_depth": 100,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2241",
    "depth": 92.0,
    "PO4": 1.41,
    "SiOH4": 20.16,
    "NO3_NO2": 14.49,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 14.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6111, 60.2253] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 67,
    "stn_id": "HE1",
    "water_depth": 26,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2301",
    "depth": 2.0,
    "PO4": 1.78,
    "SiOH4": 21.49,
    "NO3_NO2": 12.98,
    "NO2": 0.43,
    "NH4": null,
    "NO3": 12.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6111, 60.2253] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 67,
    "stn_id": "HE1",
    "water_depth": 26,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2301",
    "depth": 10.0,
    "PO4": 1.82,
    "SiOH4": 21.17,
    "NO3_NO2": 13.16,
    "NO2": 0.46,
    "NH4": null,
    "NO3": 12.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6111, 60.2253] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 67,
    "stn_id": "HE1",
    "water_depth": 26,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2301",
    "depth": 20.0,
    "PO4": 1.94,
    "SiOH4": 20.95,
    "NO3_NO2": 13.25,
    "NO2": 0.46,
    "NH4": null,
    "NO3": 12.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6704, 59.4179] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 68,
    "stn_id": "CS8",
    "water_depth": 1818,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1000",
    "depth": 2.0,
    "PO4": 1.39,
    "SiOH4": 19.46,
    "NO3_NO2": 15.34,
    "NO2": 0.27,
    "NH4": null,
    "NO3": 15.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6704, 59.4179] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 68,
    "stn_id": "CS8",
    "water_depth": 1818,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1000",
    "depth": 12.0,
    "PO4": 1.44,
    "SiOH4": 19.72,
    "NO3_NO2": 15.4,
    "NO2": 0.27,
    "NH4": null,
    "NO3": 15.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6704, 59.4179] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 68,
    "stn_id": "CS8",
    "water_depth": 1818,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1000",
    "depth": 19.0,
    "PO4": 1.48,
    "SiOH4": 19.69,
    "NO3_NO2": 15.54,
    "NO2": 0.27,
    "NH4": null,
    "NO3": 15.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6704, 59.4179] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 68,
    "stn_id": "CS8",
    "water_depth": 1818,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1000",
    "depth": 29.0,
    "PO4": 1.53,
    "SiOH4": 21.4,
    "NO3_NO2": 16.51,
    "NO2": 0.27,
    "NH4": null,
    "NO3": 16.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6704, 59.4179] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 68,
    "stn_id": "CS8",
    "water_depth": 1818,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1000",
    "depth": 42.0,
    "PO4": 1.54,
    "SiOH4": 21.08,
    "NO3_NO2": 16.15,
    "NO2": 0.27,
    "NH4": null,
    "NO3": 15.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6704, 59.4179] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 68,
    "stn_id": "CS8",
    "water_depth": 1818,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1000",
    "depth": 51.0,
    "PO4": 1.56,
    "SiOH4": 21.73,
    "NO3_NO2": 16.62,
    "NO2": 0.27,
    "NH4": null,
    "NO3": 16.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6704, 59.4179] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 68,
    "stn_id": "CS8",
    "water_depth": 1818,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1000",
    "depth": 100.0,
    "PO4": 2.06,
    "SiOH4": 31.68,
    "NO3_NO2": 24.73,
    "NO2": 0.13,
    "NH4": null,
    "NO3": 24.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6704, 59.4179] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 68,
    "stn_id": "CS8",
    "water_depth": 1818,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1000",
    "depth": 251.0,
    "PO4": 3.1,
    "SiOH4": 62.78,
    "NO3_NO2": 39.66,
    "NO2": 0.21,
    "NH4": null,
    "NO3": 39.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6704, 59.4179] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 68,
    "stn_id": "CS8",
    "water_depth": 1818,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1000",
    "depth": 502.0,
    "PO4": 3.64,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.21,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6704, 59.4179] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 68,
    "stn_id": "CS8",
    "water_depth": 1818,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1000",
    "depth": 1000.0,
    "PO4": 3.83,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.21,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6704, 59.4179] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 68,
    "stn_id": "CS8",
    "water_depth": 1818,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1000",
    "depth": 1310.0,
    "PO4": 3.9,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.13,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6715, 59.5322] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 69,
    "stn_id": "CS7",
    "water_depth": 570,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1214",
    "depth": 3.0,
    "PO4": 1.2,
    "SiOH4": 20.12,
    "NO3_NO2": 14.49,
    "NO2": 0.15,
    "NH4": null,
    "NO3": 14.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6715, 59.5322] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 69,
    "stn_id": "CS7",
    "water_depth": 570,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1214",
    "depth": 11.0,
    "PO4": 1.31,
    "SiOH4": 19.87,
    "NO3_NO2": 14.43,
    "NO2": 0.14,
    "NH4": null,
    "NO3": 14.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6715, 59.5322] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 69,
    "stn_id": "CS7",
    "water_depth": 570,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1214",
    "depth": 22.0,
    "PO4": 1.32,
    "SiOH4": 18.94,
    "NO3_NO2": 14.19,
    "NO2": 0.16,
    "NH4": null,
    "NO3": 14.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6715, 59.5322] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 69,
    "stn_id": "CS7",
    "water_depth": 570,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1214",
    "depth": 32.0,
    "PO4": 1.34,
    "SiOH4": 18.88,
    "NO3_NO2": 14.17,
    "NO2": 0.15,
    "NH4": null,
    "NO3": 14.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6715, 59.5322] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 69,
    "stn_id": "CS7",
    "water_depth": 570,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1214",
    "depth": 42.0,
    "PO4": 1.36,
    "SiOH4": 18.82,
    "NO3_NO2": 14.52,
    "NO2": 0.17,
    "NH4": null,
    "NO3": 14.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6715, 59.5322] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 69,
    "stn_id": "CS7",
    "water_depth": 570,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1214",
    "depth": 52.0,
    "PO4": 1.4,
    "SiOH4": 19.45,
    "NO3_NO2": 15.02,
    "NO2": 0.16,
    "NH4": null,
    "NO3": 14.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6715, 59.5322] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 69,
    "stn_id": "CS7",
    "water_depth": 570,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1214",
    "depth": 74.0,
    "PO4": 1.55,
    "SiOH4": 23.08,
    "NO3_NO2": 17.76,
    "NO2": 0.12,
    "NH4": null,
    "NO3": 17.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6715, 59.5322] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 69,
    "stn_id": "CS7",
    "water_depth": 570,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1214",
    "depth": 100.0,
    "PO4": 2.06,
    "SiOH4": 34.66,
    "NO3_NO2": 25.49,
    "NO2": 0.09,
    "NH4": null,
    "NO3": 25.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6715, 59.5322] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 69,
    "stn_id": "CS7",
    "water_depth": 570,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1214",
    "depth": 175.0,
    "PO4": 2.57,
    "SiOH4": 45.46,
    "NO3_NO2": 32.52,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 32.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6715, 59.5322] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 69,
    "stn_id": "CS7",
    "water_depth": 570,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1214",
    "depth": 251.0,
    "PO4": 2.8,
    "SiOH4": 51.42,
    "NO3_NO2": 36.19,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 36.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6715, 59.5322] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 69,
    "stn_id": "CS7",
    "water_depth": 570,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1214",
    "depth": 557.0,
    "PO4": 3.79,
    "SiOH4": 84.63,
    "NO3_NO2": 44.74,
    "NO2": 0.2,
    "NH4": null,
    "NO3": 44.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6694, 59.6322] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 70,
    "stn_id": "CS6",
    "water_depth": 136,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1345",
    "depth": 2.0,
    "PO4": 1.35,
    "SiOH4": 19.76,
    "NO3_NO2": 14.51,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 14.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6694, 59.6322] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 70,
    "stn_id": "CS6",
    "water_depth": 136,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1345",
    "depth": 11.0,
    "PO4": 1.43,
    "SiOH4": 19.83,
    "NO3_NO2": 14.55,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 14.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6694, 59.6322] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 70,
    "stn_id": "CS6",
    "water_depth": 136,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1345",
    "depth": 20.0,
    "PO4": 1.42,
    "SiOH4": 18.35,
    "NO3_NO2": 14.51,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 14.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6694, 59.6322] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 70,
    "stn_id": "CS6",
    "water_depth": 136,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1345",
    "depth": 31.0,
    "PO4": 1.37,
    "SiOH4": 17.55,
    "NO3_NO2": 14.14,
    "NO2": 0.16,
    "NH4": null,
    "NO3": 13.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6694, 59.6322] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 70,
    "stn_id": "CS6",
    "water_depth": 136,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1345",
    "depth": 44.0,
    "PO4": 1.37,
    "SiOH4": 16.94,
    "NO3_NO2": 14.0,
    "NO2": 0.16,
    "NH4": null,
    "NO3": 13.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6694, 59.6322] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 70,
    "stn_id": "CS6",
    "water_depth": 136,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1345",
    "depth": 51.0,
    "PO4": 1.34,
    "SiOH4": 17.01,
    "NO3_NO2": 13.91,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 13.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6694, 59.6322] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 70,
    "stn_id": "CS6",
    "water_depth": 136,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1345",
    "depth": 75.0,
    "PO4": 1.69,
    "SiOH4": 25.91,
    "NO3_NO2": 19.3,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 19.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6694, 59.6322] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 70,
    "stn_id": "CS6",
    "water_depth": 136,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1345",
    "depth": 101.0,
    "PO4": 2.25,
    "SiOH4": 38.49,
    "NO3_NO2": 27.87,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 27.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6694, 59.6322] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 70,
    "stn_id": "CS6",
    "water_depth": 136,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1345",
    "depth": 124.0,
    "PO4": 2.51,
    "SiOH4": 43.31,
    "NO3_NO2": 31.46,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 31.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6694, 59.6322] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 70,
    "stn_id": "CS6",
    "water_depth": 136,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1345",
    "depth": 134.0,
    "PO4": 2.53,
    "SiOH4": 43.48,
    "NO3_NO2": 31.46,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 31.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6705, 59.7331] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 71,
    "stn_id": "CS5",
    "water_depth": 171,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1448",
    "depth": 2.0,
    "PO4": 1.15,
    "SiOH4": 18.47,
    "NO3_NO2": 14.07,
    "NO2": 0.18,
    "NH4": null,
    "NO3": 13.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6705, 59.7331] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 71,
    "stn_id": "CS5",
    "water_depth": 171,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1448",
    "depth": 10.0,
    "PO4": 1.29,
    "SiOH4": 18.41,
    "NO3_NO2": 14.14,
    "NO2": 0.18,
    "NH4": null,
    "NO3": 13.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6705, 59.7331] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 71,
    "stn_id": "CS5",
    "water_depth": 171,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1448",
    "depth": 20.0,
    "PO4": 1.29,
    "SiOH4": 19.13,
    "NO3_NO2": 14.12,
    "NO2": 0.21,
    "NH4": null,
    "NO3": 13.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6705, 59.7331] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 71,
    "stn_id": "CS5",
    "water_depth": 171,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1448",
    "depth": 31.0,
    "PO4": 1.3,
    "SiOH4": 19.37,
    "NO3_NO2": 14.19,
    "NO2": 0.2,
    "NH4": null,
    "NO3": 13.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6705, 59.7331] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 71,
    "stn_id": "CS5",
    "water_depth": 171,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1448",
    "depth": 41.0,
    "PO4": 1.29,
    "SiOH4": 19.12,
    "NO3_NO2": 13.98,
    "NO2": 0.2,
    "NH4": null,
    "NO3": 13.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6705, 59.7331] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 71,
    "stn_id": "CS5",
    "water_depth": 171,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1448",
    "depth": 48.0,
    "PO4": 1.3,
    "SiOH4": 19.06,
    "NO3_NO2": 14.09,
    "NO2": 0.23,
    "NH4": null,
    "NO3": 13.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6705, 59.7331] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 71,
    "stn_id": "CS5",
    "water_depth": 171,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1448",
    "depth": 70.0,
    "PO4": 1.34,
    "SiOH4": 19.1,
    "NO3_NO2": 14.49,
    "NO2": 0.25,
    "NH4": null,
    "NO3": 14.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6705, 59.7331] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 71,
    "stn_id": "CS5",
    "water_depth": 171,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1448",
    "depth": 100.0,
    "PO4": 1.78,
    "SiOH4": 30.29,
    "NO3_NO2": 21.69,
    "NO2": 0.14,
    "NH4": null,
    "NO3": 21.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6705, 59.7331] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 71,
    "stn_id": "CS5",
    "water_depth": 171,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1448",
    "depth": 125.0,
    "PO4": 2.07,
    "SiOH4": 37.12,
    "NO3_NO2": 26.42,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 26.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6705, 59.7331] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 71,
    "stn_id": "CS5",
    "water_depth": 171,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1448",
    "depth": 164.0,
    "PO4": 2.44,
    "SiOH4": 44.92,
    "NO3_NO2": 31.0,
    "NO2": 0.14,
    "NH4": null,
    "NO3": 30.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6689, 59.7999] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "CS4",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1539",
    "depth": 2.0,
    "PO4": 1.15,
    "SiOH4": 17.13,
    "NO3_NO2": 13.64,
    "NO2": 0.27,
    "NH4": 1.64,
    "NO3": 13.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6689, 59.7999] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "CS4",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1539",
    "depth": 10.0,
    "PO4": 1.24,
    "SiOH4": 17.06,
    "NO3_NO2": 13.83,
    "NO2": 0.24,
    "NH4": 1.57,
    "NO3": 13.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6689, 59.7999] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "CS4",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1539",
    "depth": 19.0,
    "PO4": 1.24,
    "SiOH4": 17.18,
    "NO3_NO2": 13.88,
    "NO2": 0.22,
    "NH4": 1.75,
    "NO3": 13.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6689, 59.7999] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "CS4",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1539",
    "depth": 31.0,
    "PO4": 1.25,
    "SiOH4": 17.57,
    "NO3_NO2": 13.89,
    "NO2": 0.22,
    "NH4": 0.61,
    "NO3": 13.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6689, 59.7999] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "CS4",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1539",
    "depth": 40.0,
    "PO4": 1.24,
    "SiOH4": 17.78,
    "NO3_NO2": 13.94,
    "NO2": 0.22,
    "NH4": 0.63,
    "NO3": 13.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6689, 59.7999] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "CS4",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1539",
    "depth": 46.0,
    "PO4": 1.23,
    "SiOH4": 18.26,
    "NO3_NO2": 13.99,
    "NO2": 0.28,
    "NH4": 0.38,
    "NO3": 13.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6689, 59.7999] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "CS4",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1539",
    "depth": 74.0,
    "PO4": 1.2,
    "SiOH4": 17.92,
    "NO3_NO2": 13.99,
    "NO2": 0.28,
    "NH4": 0.23,
    "NO3": 13.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6689, 59.7999] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "CS4",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1539",
    "depth": 105.0,
    "PO4": 1.26,
    "SiOH4": 17.76,
    "NO3_NO2": 14.0,
    "NO2": 0.39,
    "NH4": 0.58,
    "NO3": 13.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6689, 59.7999] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "CS4",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1539",
    "depth": 150.0,
    "PO4": 1.97,
    "SiOH4": 35.26,
    "NO3_NO2": 25.78,
    "NO2": 0.18,
    "NH4": 0.94,
    "NO3": 25.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6689, 59.7999] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "CS4",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1539",
    "depth": 197.0,
    "PO4": 2.24,
    "SiOH4": 40.46,
    "NO3_NO2": 29.6,
    "NO2": 0.13,
    "NH4": 0.91,
    "NO3": 29.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6689, 59.7999] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 72,
    "stn_id": "CS4",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1539",
    "depth": 240.0,
    "PO4": 2.5,
    "SiOH4": 50.19,
    "NO3_NO2": 33.14,
    "NO2": 0.16,
    "NH4": 0.93,
    "NO3": 32.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6717, 59.8505] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 73,
    "stn_id": "CS3",
    "water_depth": 274,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1630",
    "depth": 1.0,
    "PO4": 1.2,
    "SiOH4": 19.64,
    "NO3_NO2": 14.8,
    "NO2": 0.11,
    "NH4": 1.67,
    "NO3": 14.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6717, 59.8505] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 73,
    "stn_id": "CS3",
    "water_depth": 274,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1630",
    "depth": 11.0,
    "PO4": 1.31,
    "SiOH4": 18.74,
    "NO3_NO2": 14.93,
    "NO2": 0.05,
    "NH4": 1.6,
    "NO3": 14.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6717, 59.8505] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 73,
    "stn_id": "CS3",
    "water_depth": 274,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1630",
    "depth": 20.0,
    "PO4": 1.29,
    "SiOH4": 18.87,
    "NO3_NO2": 15.01,
    "NO2": 0.03,
    "NH4": 0.88,
    "NO3": 14.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6717, 59.8505] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 73,
    "stn_id": "CS3",
    "water_depth": 274,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1630",
    "depth": 29.0,
    "PO4": 1.34,
    "SiOH4": 19.36,
    "NO3_NO2": 15.38,
    "NO2": 0.03,
    "NH4": 0.8,
    "NO3": 15.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6717, 59.8505] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 73,
    "stn_id": "CS3",
    "water_depth": 274,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1630",
    "depth": 41.0,
    "PO4": 1.33,
    "SiOH4": 19.48,
    "NO3_NO2": 15.42,
    "NO2": 0.05,
    "NH4": 0.76,
    "NO3": 15.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6717, 59.8505] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 73,
    "stn_id": "CS3",
    "water_depth": 274,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1630",
    "depth": 51.0,
    "PO4": 1.3,
    "SiOH4": 19.79,
    "NO3_NO2": 15.45,
    "NO2": 0.05,
    "NH4": 0.73,
    "NO3": 15.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6717, 59.8505] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 73,
    "stn_id": "CS3",
    "water_depth": 274,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1630",
    "depth": 77.0,
    "PO4": 1.29,
    "SiOH4": 18.9,
    "NO3_NO2": 14.93,
    "NO2": 0.11,
    "NH4": 0.82,
    "NO3": 14.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6717, 59.8505] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 73,
    "stn_id": "CS3",
    "water_depth": 274,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1630",
    "depth": 101.0,
    "PO4": 1.28,
    "SiOH4": 18.37,
    "NO3_NO2": 14.83,
    "NO2": 0.13,
    "NH4": 0.4,
    "NO3": 14.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6717, 59.8505] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 73,
    "stn_id": "CS3",
    "water_depth": 274,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1630",
    "depth": 149.0,
    "PO4": 1.26,
    "SiOH4": 18.31,
    "NO3_NO2": 14.92,
    "NO2": 0.21,
    "NH4": 0.53,
    "NO3": 14.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6717, 59.8505] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 73,
    "stn_id": "CS3",
    "water_depth": 274,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1630",
    "depth": 201.0,
    "PO4": 2.03,
    "SiOH4": 35.82,
    "NO3_NO2": 27.76,
    "NO2": 0.08,
    "NH4": 1.01,
    "NO3": 27.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6717, 59.8505] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 73,
    "stn_id": "CS3",
    "water_depth": 274,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1630",
    "depth": 268.0,
    "PO4": 2.71,
    "SiOH4": 52.78,
    "NO3_NO2": 37.95,
    "NO2": 0.08,
    "NH4": 1.87,
    "NO3": 37.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6693, 59.8997] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 74,
    "stn_id": "CS2",
    "water_depth": 264,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1720",
    "depth": 3.0,
    "PO4": 1.18,
    "SiOH4": 19.84,
    "NO3_NO2": 14.85,
    "NO2": 0.01,
    "NH4": 0.53,
    "NO3": 14.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6693, 59.8997] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 74,
    "stn_id": "CS2",
    "water_depth": 264,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1720",
    "depth": 11.0,
    "PO4": 1.28,
    "SiOH4": 19.99,
    "NO3_NO2": 14.89,
    "NO2": 0.02,
    "NH4": 0.94,
    "NO3": 14.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6693, 59.8997] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 74,
    "stn_id": "CS2",
    "water_depth": 264,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1720",
    "depth": 22.0,
    "PO4": 1.34,
    "SiOH4": 20.41,
    "NO3_NO2": 14.98,
    "NO2": 0.0,
    "NH4": 0.45,
    "NO3": 14.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6693, 59.8997] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 74,
    "stn_id": "CS2",
    "water_depth": 264,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1720",
    "depth": 32.0,
    "PO4": 1.33,
    "SiOH4": 20.38,
    "NO3_NO2": 15.02,
    "NO2": 0.01,
    "NH4": 0.77,
    "NO3": 15.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6693, 59.8997] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 74,
    "stn_id": "CS2",
    "water_depth": 264,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1720",
    "depth": 40.0,
    "PO4": 1.35,
    "SiOH4": 20.15,
    "NO3_NO2": 15.16,
    "NO2": 0.02,
    "NH4": 0.83,
    "NO3": 15.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6693, 59.8997] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 74,
    "stn_id": "CS2",
    "water_depth": 264,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1720",
    "depth": 50.0,
    "PO4": 1.36,
    "SiOH4": 19.19,
    "NO3_NO2": 15.25,
    "NO2": 0.05,
    "NH4": 0.94,
    "NO3": 15.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6693, 59.8997] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 74,
    "stn_id": "CS2",
    "water_depth": 264,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1720",
    "depth": 74.0,
    "PO4": 1.35,
    "SiOH4": 18.69,
    "NO3_NO2": 15.19,
    "NO2": 0.04,
    "NH4": 1.13,
    "NO3": 15.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6693, 59.8997] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 74,
    "stn_id": "CS2",
    "water_depth": 264,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1720",
    "depth": 98.0,
    "PO4": 1.34,
    "SiOH4": 17.91,
    "NO3_NO2": 15.24,
    "NO2": 0.02,
    "NH4": 1.67,
    "NO3": 15.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6693, 59.8997] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 74,
    "stn_id": "CS2",
    "water_depth": 264,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1720",
    "depth": 139.0,
    "PO4": 1.29,
    "SiOH4": 14.57,
    "NO3_NO2": 14.4,
    "NO2": 0.03,
    "NH4": 2.33,
    "NO3": 14.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6693, 59.8997] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 74,
    "stn_id": "CS2",
    "water_depth": 264,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1720",
    "depth": 199.0,
    "PO4": 1.77,
    "SiOH4": 22.6,
    "NO3_NO2": 20.96,
    "NO2": 0.06,
    "NH4": 2.86,
    "NO3": 20.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6693, 59.8997] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 74,
    "stn_id": "CS2",
    "water_depth": 264,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1720",
    "depth": 263.0,
    "PO4": 2.89,
    "SiOH4": 48.02,
    "NO3_NO2": 35.01,
    "NO2": 0.1,
    "NH4": 3.4,
    "NO3": 34.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6701, 59.9492] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 75,
    "stn_id": "CS1",
    "water_depth": 219,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1808",
    "depth": 4.0,
    "PO4": 1.4,
    "SiOH4": 17.89,
    "NO3_NO2": 16.04,
    "NO2": 0.19,
    "NH4": 0.89,
    "NO3": 15.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6701, 59.9492] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 75,
    "stn_id": "CS1",
    "water_depth": 219,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1808",
    "depth": 11.0,
    "PO4": 1.48,
    "SiOH4": 17.56,
    "NO3_NO2": 16.11,
    "NO2": 0.16,
    "NH4": 0.5,
    "NO3": 15.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6701, 59.9492] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 75,
    "stn_id": "CS1",
    "water_depth": 219,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1808",
    "depth": 25.0,
    "PO4": 1.51,
    "SiOH4": 17.14,
    "NO3_NO2": 16.23,
    "NO2": 0.16,
    "NH4": 1.27,
    "NO3": 16.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6701, 59.9492] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 75,
    "stn_id": "CS1",
    "water_depth": 219,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1808",
    "depth": 52.0,
    "PO4": 1.51,
    "SiOH4": 17.64,
    "NO3_NO2": 16.16,
    "NO2": 0.16,
    "NH4": 0.71,
    "NO3": 16.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6701, 59.9492] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 75,
    "stn_id": "CS1",
    "water_depth": 219,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1808",
    "depth": 74.0,
    "PO4": 1.49,
    "SiOH4": 17.87,
    "NO3_NO2": 16.1,
    "NO2": 0.13,
    "NH4": 0.66,
    "NO3": 15.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6701, 59.9492] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 75,
    "stn_id": "CS1",
    "water_depth": 219,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1808",
    "depth": 101.0,
    "PO4": 1.48,
    "SiOH4": 18.19,
    "NO3_NO2": 15.98,
    "NO2": 0.13,
    "NH4": 0.78,
    "NO3": 15.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6701, 59.9492] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 75,
    "stn_id": "CS1",
    "water_depth": 219,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1808",
    "depth": 151.0,
    "PO4": 1.49,
    "SiOH4": 18.14,
    "NO3_NO2": 15.82,
    "NO2": 0.13,
    "NH4": 1.08,
    "NO3": 15.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6701, 59.9492] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 75,
    "stn_id": "CS1",
    "water_depth": 219,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1808",
    "depth": 214.0,
    "PO4": 2.34,
    "SiOH4": 36.86,
    "NO3_NO2": 29.21,
    "NO2": 0.13,
    "NH4": 1.59,
    "NO3": 29.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6722, 60.0121] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 76,
    "stn_id": "CS0",
    "water_depth": 52,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1857",
    "depth": 2.0,
    "PO4": 2.02,
    "SiOH4": 14.43,
    "NO3_NO2": 16.34,
    "NO2": 0.58,
    "NH4": 3.68,
    "NO3": 15.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6722, 60.0121] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 76,
    "stn_id": "CS0",
    "water_depth": 52,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1857",
    "depth": 11.0,
    "PO4": 1.91,
    "SiOH4": 13.22,
    "NO3_NO2": 16.48,
    "NO2": 0.53,
    "NH4": 2.65,
    "NO3": 15.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6722, 60.0121] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 76,
    "stn_id": "CS0",
    "water_depth": 52,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1857",
    "depth": 21.0,
    "PO4": 1.89,
    "SiOH4": 13.22,
    "NO3_NO2": 16.71,
    "NO2": 0.47,
    "NH4": 1.8,
    "NO3": 16.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6722, 60.0121] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 76,
    "stn_id": "CS0",
    "water_depth": 52,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1857",
    "depth": 30.0,
    "PO4": 1.84,
    "SiOH4": 12.76,
    "NO3_NO2": 16.8,
    "NO2": 0.36,
    "NH4": 1.11,
    "NO3": 16.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6722, 60.0121] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 76,
    "stn_id": "CS0",
    "water_depth": 52,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1857",
    "depth": 40.0,
    "PO4": 1.74,
    "SiOH4": 12.85,
    "NO3_NO2": 16.71,
    "NO2": 0.3,
    "NH4": 0.73,
    "NO3": 16.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-143.6722, 60.0121] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 76,
    "stn_id": "CS0",
    "water_depth": 52,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "1857",
    "depth": 50.0,
    "PO4": 1.73,
    "SiOH4": 12.67,
    "NO3_NO2": 16.76,
    "NO2": 0.27,
    "NH4": 0.43,
    "NO3": 16.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0511, 60.1093] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 77,
    "stn_id": "HE10",
    "water_depth": 278,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0526",
    "depth": 3.0,
    "PO4": 1.32,
    "SiOH4": 20.31,
    "NO3_NO2": 13.61,
    "NO2": 0.02,
    "NH4": 1.28,
    "NO3": 13.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0511, 60.1093] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 77,
    "stn_id": "HE10",
    "water_depth": 278,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0526",
    "depth": 12.0,
    "PO4": 1.43,
    "SiOH4": 20.2,
    "NO3_NO2": 14.03,
    "NO2": 0.02,
    "NH4": 1.28,
    "NO3": 14.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0511, 60.1093] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 77,
    "stn_id": "HE10",
    "water_depth": 278,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0526",
    "depth": 27.0,
    "PO4": 1.46,
    "SiOH4": 20.54,
    "NO3_NO2": 14.5,
    "NO2": 0.01,
    "NH4": 1.39,
    "NO3": 14.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0511, 60.1093] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 77,
    "stn_id": "HE10",
    "water_depth": 278,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0526",
    "depth": 49.0,
    "PO4": 1.44,
    "SiOH4": 20.53,
    "NO3_NO2": 14.65,
    "NO2": 0.01,
    "NH4": 1.1,
    "NO3": 14.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0511, 60.1093] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 77,
    "stn_id": "HE10",
    "water_depth": 278,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0526",
    "depth": 74.0,
    "PO4": 1.45,
    "SiOH4": 20.78,
    "NO3_NO2": 14.98,
    "NO2": 0.0,
    "NH4": 1.17,
    "NO3": 14.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0511, 60.1093] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 77,
    "stn_id": "HE10",
    "water_depth": 278,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0526",
    "depth": 99.0,
    "PO4": 1.44,
    "SiOH4": 20.86,
    "NO3_NO2": 15.09,
    "NO2": 0.02,
    "NH4": 1.17,
    "NO3": 15.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0511, 60.1093] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 77,
    "stn_id": "HE10",
    "water_depth": 278,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0526",
    "depth": 153.0,
    "PO4": 1.42,
    "SiOH4": 20.3,
    "NO3_NO2": 15.28,
    "NO2": 0.02,
    "NH4": 1.06,
    "NO3": 15.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0511, 60.1093] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 77,
    "stn_id": "HE10",
    "water_depth": 278,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0526",
    "depth": 195.0,
    "PO4": 1.91,
    "SiOH4": 30.72,
    "NO3_NO2": 22.37,
    "NO2": 0.07,
    "NH4": 1.06,
    "NO3": 22.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0511, 60.1093] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 77,
    "stn_id": "HE10",
    "water_depth": 278,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0526",
    "depth": 247.0,
    "PO4": 2.14,
    "SiOH4": 34.12,
    "NO3_NO2": 24.34,
    "NO2": 0.09,
    "NH4": 1.17,
    "NO3": 24.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0511, 60.1093] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 77,
    "stn_id": "HE10",
    "water_depth": 278,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0526",
    "depth": 273.0,
    "PO4": 2.17,
    "SiOH4": 35.18,
    "NO3_NO2": 25.18,
    "NO2": 0.08,
    "NH4": 1.25,
    "NO3": 25.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0773, 60.0003] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 78,
    "stn_id": "AHC2",
    "water_depth": 186,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0626",
    "depth": 2.0,
    "PO4": 1.21,
    "SiOH4": 20.42,
    "NO3_NO2": 14.69,
    "NO2": 0.13,
    "NH4": 1.9,
    "NO3": 14.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0773, 60.0003] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 78,
    "stn_id": "AHC2",
    "water_depth": 186,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0626",
    "depth": 11.0,
    "PO4": 1.31,
    "SiOH4": 20.78,
    "NO3_NO2": 14.68,
    "NO2": 0.05,
    "NH4": 1.61,
    "NO3": 14.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0773, 60.0003] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 78,
    "stn_id": "AHC2",
    "water_depth": 186,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0626",
    "depth": 25.0,
    "PO4": 1.31,
    "SiOH4": 19.98,
    "NO3_NO2": 14.81,
    "NO2": 0.02,
    "NH4": 1.58,
    "NO3": 14.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0773, 60.0003] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 78,
    "stn_id": "AHC2",
    "water_depth": 186,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0626",
    "depth": 50.0,
    "PO4": 1.3,
    "SiOH4": 20.16,
    "NO3_NO2": 14.99,
    "NO2": 0.04,
    "NH4": 2.01,
    "NO3": 14.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0773, 60.0003] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 78,
    "stn_id": "AHC2",
    "water_depth": 186,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0626",
    "depth": 74.0,
    "PO4": 1.32,
    "SiOH4": 20.26,
    "NO3_NO2": 15.17,
    "NO2": 0.04,
    "NH4": 1.32,
    "NO3": 15.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0773, 60.0003] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 78,
    "stn_id": "AHC2",
    "water_depth": 186,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0626",
    "depth": 98.0,
    "PO4": 1.33,
    "SiOH4": 20.44,
    "NO3_NO2": 15.12,
    "NO2": 0.06,
    "NH4": 1.1,
    "NO3": 15.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0773, 60.0003] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 78,
    "stn_id": "AHC2",
    "water_depth": 186,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0626",
    "depth": 145.0,
    "PO4": 1.34,
    "SiOH4": 19.55,
    "NO3_NO2": 15.25,
    "NO2": 0.16,
    "NH4": 0.59,
    "NO3": 15.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0773, 60.0003] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 78,
    "stn_id": "AHC2",
    "water_depth": 186,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0626",
    "depth": 184.0,
    "PO4": 1.41,
    "SiOH4": 20.54,
    "NO3_NO2": 15.75,
    "NO2": 0.13,
    "NH4": 0.7,
    "NO3": 15.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0765, 59.8997] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 79,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0716",
    "depth": 2.0,
    "PO4": 1.26,
    "SiOH4": 20.46,
    "NO3_NO2": 14.6,
    "NO2": 0.08,
    "NH4": 0.81,
    "NO3": 14.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0765, 59.8997] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 79,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0716",
    "depth": 11.0,
    "PO4": 1.29,
    "SiOH4": 20.28,
    "NO3_NO2": 15.05,
    "NO2": 0.08,
    "NH4": 0.51,
    "NO3": 14.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0765, 59.8997] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 79,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0716",
    "depth": 24.0,
    "PO4": 1.34,
    "SiOH4": 20.11,
    "NO3_NO2": 15.05,
    "NO2": 0.07,
    "NH4": 0.48,
    "NO3": 14.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0765, 59.8997] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 79,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0716",
    "depth": 50.0,
    "PO4": 1.34,
    "SiOH4": 21.55,
    "NO3_NO2": 15.13,
    "NO2": 0.07,
    "NH4": 0.59,
    "NO3": 15.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0765, 59.8997] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 79,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0716",
    "depth": 74.0,
    "PO4": 1.32,
    "SiOH4": 21.2,
    "NO3_NO2": 14.99,
    "NO2": 0.07,
    "NH4": 0.73,
    "NO3": 14.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0765, 59.8997] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 79,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0716",
    "depth": 100.0,
    "PO4": 1.37,
    "SiOH4": 20.84,
    "NO3_NO2": 15.08,
    "NO2": 0.12,
    "NH4": 0.84,
    "NO3": 14.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0765, 59.8997] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 79,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0716",
    "depth": 147.0,
    "PO4": 1.42,
    "SiOH4": 22.11,
    "NO3_NO2": 16.4,
    "NO2": 0.09,
    "NH4": 1.25,
    "NO3": 16.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0765, 59.8997] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 79,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0716",
    "depth": 171.0,
    "PO4": 1.67,
    "SiOH4": 27.51,
    "NO3_NO2": 20.0,
    "NO2": 0.08,
    "NH4": 0.7,
    "NO3": 19.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0765, 59.8997] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 79,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0716",
    "depth": 196.0,
    "PO4": 1.96,
    "SiOH4": 33.54,
    "NO3_NO2": 23.6,
    "NO2": 0.08,
    "NH4": 0.4,
    "NO3": 23.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0776, 59.799] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 80,
    "stn_id": "AHC4",
    "water_depth": 205,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0804",
    "depth": 2.0,
    "PO4": 1.26,
    "SiOH4": 21.43,
    "NO3_NO2": 14.18,
    "NO2": 0.13,
    "NH4": 1.09,
    "NO3": 14.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0776, 59.799] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 80,
    "stn_id": "AHC4",
    "water_depth": 205,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0804",
    "depth": 10.0,
    "PO4": 1.39,
    "SiOH4": 21.46,
    "NO3_NO2": 14.49,
    "NO2": 0.11,
    "NH4": 1.86,
    "NO3": 14.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0776, 59.799] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 80,
    "stn_id": "AHC4",
    "water_depth": 205,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0804",
    "depth": 25.0,
    "PO4": 1.46,
    "SiOH4": 22.3,
    "NO3_NO2": 15.3,
    "NO2": 0.11,
    "NH4": 0.24,
    "NO3": 15.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0776, 59.799] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 80,
    "stn_id": "AHC4",
    "water_depth": 205,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0804",
    "depth": 50.0,
    "PO4": 1.47,
    "SiOH4": 22.87,
    "NO3_NO2": 16.02,
    "NO2": 0.14,
    "NH4": 0.02,
    "NO3": 15.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0776, 59.799] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 80,
    "stn_id": "AHC4",
    "water_depth": 205,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0804",
    "depth": 73.0,
    "PO4": 1.43,
    "SiOH4": 21.37,
    "NO3_NO2": 14.92,
    "NO2": 0.19,
    "NH4": 0.35,
    "NO3": 14.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0776, 59.799] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 80,
    "stn_id": "AHC4",
    "water_depth": 205,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0804",
    "depth": 101.0,
    "PO4": 1.45,
    "SiOH4": 21.31,
    "NO3_NO2": 15.36,
    "NO2": 0.22,
    "NH4": 0.38,
    "NO3": 15.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0776, 59.799] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 80,
    "stn_id": "AHC4",
    "water_depth": 205,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0804",
    "depth": 144.0,
    "PO4": 1.49,
    "SiOH4": 22.06,
    "NO3_NO2": 15.99,
    "NO2": 0.3,
    "NH4": 0.12,
    "NO3": 15.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0776, 59.799] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 80,
    "stn_id": "AHC4",
    "water_depth": 205,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0804",
    "depth": 201.0,
    "PO4": 1.96,
    "SiOH4": 32.43,
    "NO3_NO2": 22.69,
    "NO2": 0.17,
    "NH4": 0.0,
    "NO3": 22.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0741, 59.6994] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 81,
    "stn_id": "AHC5",
    "water_depth": 207,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0851",
    "depth": 2.0,
    "PO4": 1.29,
    "SiOH4": 21.85,
    "NO3_NO2": 14.46,
    "NO2": 0.19,
    "NH4": 0.59,
    "NO3": 14.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0741, 59.6994] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 81,
    "stn_id": "AHC5",
    "water_depth": 207,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0851",
    "depth": 10.0,
    "PO4": 1.3,
    "SiOH4": 21.79,
    "NO3_NO2": 14.5,
    "NO2": 0.01,
    "NH4": 0.11,
    "NO3": 14.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0741, 59.6994] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 81,
    "stn_id": "AHC5",
    "water_depth": 207,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0851",
    "depth": 26.0,
    "PO4": 1.36,
    "SiOH4": 21.73,
    "NO3_NO2": 15.36,
    "NO2": 0.02,
    "NH4": 0.54,
    "NO3": 15.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0741, 59.6994] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 81,
    "stn_id": "AHC5",
    "water_depth": 207,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0851",
    "depth": 50.0,
    "PO4": 1.35,
    "SiOH4": 21.67,
    "NO3_NO2": 15.21,
    "NO2": 0.04,
    "NH4": 0.57,
    "NO3": 15.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0741, 59.6994] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 81,
    "stn_id": "AHC5",
    "water_depth": 207,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0851",
    "depth": 76.0,
    "PO4": 1.33,
    "SiOH4": 21.52,
    "NO3_NO2": 15.25,
    "NO2": 0.07,
    "NH4": 0.17,
    "NO3": 15.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0741, 59.6994] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 81,
    "stn_id": "AHC5",
    "water_depth": 207,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0851",
    "depth": 99.0,
    "PO4": 1.35,
    "SiOH4": 21.37,
    "NO3_NO2": 15.33,
    "NO2": 0.18,
    "NH4": 0.02,
    "NO3": 15.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0741, 59.6994] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 81,
    "stn_id": "AHC5",
    "water_depth": 207,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0851",
    "depth": 148.0,
    "PO4": 1.54,
    "SiOH4": 24.82,
    "NO3_NO2": 17.6,
    "NO2": 0.1,
    "NH4": 0.01,
    "NO3": 17.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0741, 59.6994] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 81,
    "stn_id": "AHC5",
    "water_depth": 207,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0851",
    "depth": 175.0,
    "PO4": 1.75,
    "SiOH4": 29.53,
    "NO3_NO2": 20.87,
    "NO2": 0.05,
    "NH4": 0.01,
    "NO3": 20.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0741, 59.6994] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 81,
    "stn_id": "AHC5",
    "water_depth": 207,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0851",
    "depth": 203.0,
    "PO4": 2.05,
    "SiOH4": 36.57,
    "NO3_NO2": 25.06,
    "NO2": 0.08,
    "NH4": 0.22,
    "NO3": 24.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0752, 59.5999] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 82,
    "stn_id": "AHC6",
    "water_depth": 207,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0940",
    "depth": 2.0,
    "PO4": 1.28,
    "SiOH4": 21.66,
    "NO3_NO2": 15.05,
    "NO2": 0.1,
    "NH4": 1.33,
    "NO3": 14.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0752, 59.5999] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 82,
    "stn_id": "AHC6",
    "water_depth": 207,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0940",
    "depth": 10.0,
    "PO4": 1.45,
    "SiOH4": 21.74,
    "NO3_NO2": 15.14,
    "NO2": 0.07,
    "NH4": 0.58,
    "NO3": 15.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0752, 59.5999] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 82,
    "stn_id": "AHC6",
    "water_depth": 207,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0940",
    "depth": 25.0,
    "PO4": 1.49,
    "SiOH4": 21.82,
    "NO3_NO2": 15.23,
    "NO2": 0.1,
    "NH4": 0.44,
    "NO3": 15.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0752, 59.5999] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 82,
    "stn_id": "AHC6",
    "water_depth": 207,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0940",
    "depth": 50.0,
    "PO4": 1.49,
    "SiOH4": 22.08,
    "NO3_NO2": 15.31,
    "NO2": 0.04,
    "NH4": 0.16,
    "NO3": 15.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0752, 59.5999] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 82,
    "stn_id": "AHC6",
    "water_depth": 207,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0940",
    "depth": 75.0,
    "PO4": 1.48,
    "SiOH4": 21.54,
    "NO3_NO2": 15.26,
    "NO2": 0.09,
    "NH4": 0.21,
    "NO3": 15.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0752, 59.5999] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 82,
    "stn_id": "AHC6",
    "water_depth": 207,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0940",
    "depth": 150.0,
    "PO4": 1.7,
    "SiOH4": 25.11,
    "NO3_NO2": 18.22,
    "NO2": 0.06,
    "NH4": 0.06,
    "NO3": 18.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0752, 59.5999] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 82,
    "stn_id": "AHC6",
    "water_depth": 207,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0940",
    "depth": 176.0,
    "PO4": 1.87,
    "SiOH4": 28.52,
    "NO3_NO2": 20.81,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 20.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0752, 59.5999] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 82,
    "stn_id": "AHC6",
    "water_depth": 207,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0940",
    "depth": 203.0,
    "PO4": 2.11,
    "SiOH4": 34.27,
    "NO3_NO2": 24.1,
    "NO2": 0.11,
    "NH4": 0.05,
    "NO3": 23.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0761, 59.5001] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 83,
    "stn_id": "AHC7",
    "water_depth": 222,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1032",
    "depth": 2.0,
    "PO4": 1.45,
    "SiOH4": 22.12,
    "NO3_NO2": 15.24,
    "NO2": 0.1,
    "NH4": 0.5,
    "NO3": 15.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0761, 59.5001] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 83,
    "stn_id": "AHC7",
    "water_depth": 222,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1032",
    "depth": 11.0,
    "PO4": 1.5,
    "SiOH4": 22.29,
    "NO3_NO2": 15.46,
    "NO2": 0.1,
    "NH4": 0.92,
    "NO3": 15.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0761, 59.5001] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 83,
    "stn_id": "AHC7",
    "water_depth": 222,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1032",
    "depth": 25.0,
    "PO4": 1.52,
    "SiOH4": 22.28,
    "NO3_NO2": 15.5,
    "NO2": 0.1,
    "NH4": 0.31,
    "NO3": 15.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0761, 59.5001] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 83,
    "stn_id": "AHC7",
    "water_depth": 222,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1032",
    "depth": 49.0,
    "PO4": 1.52,
    "SiOH4": 22.27,
    "NO3_NO2": 15.59,
    "NO2": 0.12,
    "NH4": 0.29,
    "NO3": 15.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0761, 59.5001] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 83,
    "stn_id": "AHC7",
    "water_depth": 222,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1032",
    "depth": 76.0,
    "PO4": 1.57,
    "SiOH4": 22.98,
    "NO3_NO2": 16.41,
    "NO2": 0.14,
    "NH4": 0.26,
    "NO3": 16.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0761, 59.5001] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 83,
    "stn_id": "AHC7",
    "water_depth": 222,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1032",
    "depth": 100.0,
    "PO4": 1.62,
    "SiOH4": 22.52,
    "NO3_NO2": 16.63,
    "NO2": 0.14,
    "NH4": 0.53,
    "NO3": 16.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0761, 59.5001] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 83,
    "stn_id": "AHC7",
    "water_depth": 222,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1032",
    "depth": 150.0,
    "PO4": 1.52,
    "SiOH4": 20.71,
    "NO3_NO2": 15.76,
    "NO2": 0.24,
    "NH4": 0.55,
    "NO3": 15.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0761, 59.5001] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 83,
    "stn_id": "AHC7",
    "water_depth": 222,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1032",
    "depth": 175.0,
    "PO4": 1.95,
    "SiOH4": 29.61,
    "NO3_NO2": 21.64,
    "NO2": 0.21,
    "NH4": 0.45,
    "NO3": 21.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0761, 59.5001] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 83,
    "stn_id": "AHC7",
    "water_depth": 222,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1032",
    "depth": 219.0,
    "PO4": 2.4,
    "SiOH4": 36.61,
    "NO3_NO2": 26.61,
    "NO2": 0.18,
    "NH4": 1.01,
    "NO3": 26.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0757, 59.4001] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 84,
    "stn_id": "AHC8",
    "water_depth": 204,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1123",
    "depth": 3.0,
    "PO4": 1.27,
    "SiOH4": 21.09,
    "NO3_NO2": 14.59,
    "NO2": 0.12,
    "NH4": 0.55,
    "NO3": 14.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0757, 59.4001] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 84,
    "stn_id": "AHC8",
    "water_depth": 204,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1123",
    "depth": 12.0,
    "PO4": 1.41,
    "SiOH4": 21.13,
    "NO3_NO2": 14.63,
    "NO2": 0.12,
    "NH4": 0.15,
    "NO3": 14.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0757, 59.4001] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 84,
    "stn_id": "AHC8",
    "water_depth": 204,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1123",
    "depth": 26.0,
    "PO4": 1.46,
    "SiOH4": 21.0,
    "NO3_NO2": 14.76,
    "NO2": 0.09,
    "NH4": 0.18,
    "NO3": 14.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0757, 59.4001] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 84,
    "stn_id": "AHC8",
    "water_depth": 204,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1123",
    "depth": 50.0,
    "PO4": 1.48,
    "SiOH4": 20.95,
    "NO3_NO2": 14.7,
    "NO2": 0.11,
    "NH4": 0.37,
    "NO3": 14.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0757, 59.4001] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 84,
    "stn_id": "AHC8",
    "water_depth": 204,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1123",
    "depth": 73.0,
    "PO4": 1.5,
    "SiOH4": 21.09,
    "NO3_NO2": 14.74,
    "NO2": 0.13,
    "NH4": 0.4,
    "NO3": 14.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0757, 59.4001] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 84,
    "stn_id": "AHC8",
    "water_depth": 204,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1123",
    "depth": 102.0,
    "PO4": 1.48,
    "SiOH4": 21.04,
    "NO3_NO2": 14.96,
    "NO2": 0.15,
    "NH4": 0.4,
    "NO3": 14.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0757, 59.4001] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 84,
    "stn_id": "AHC8",
    "water_depth": 204,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1123",
    "depth": 149.0,
    "PO4": 1.84,
    "SiOH4": 27.02,
    "NO3_NO2": 18.96,
    "NO2": 0.12,
    "NH4": 0.55,
    "NO3": 18.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0757, 59.4001] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 84,
    "stn_id": "AHC8",
    "water_depth": 204,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1123",
    "depth": 174.0,
    "PO4": 1.97,
    "SiOH4": 30.49,
    "NO3_NO2": 20.87,
    "NO2": 0.11,
    "NH4": 0.73,
    "NO3": 20.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0757, 59.4001] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 84,
    "stn_id": "AHC8",
    "water_depth": 204,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1123",
    "depth": 202.0,
    "PO4": 2.17,
    "SiOH4": 34.49,
    "NO3_NO2": 23.78,
    "NO2": 0.14,
    "NH4": 0.73,
    "NO3": 23.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0783, 59.2999] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 85,
    "stn_id": "AHC9",
    "water_depth": 196,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1211",
    "depth": 2.0,
    "PO4": 1.24,
    "SiOH4": 22.35,
    "NO3_NO2": 14.89,
    "NO2": 0.13,
    "NH4": 0.75,
    "NO3": 14.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0783, 59.2999] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 85,
    "stn_id": "AHC9",
    "water_depth": 196,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1211",
    "depth": 10.0,
    "PO4": 1.4,
    "SiOH4": 22.4,
    "NO3_NO2": 14.91,
    "NO2": 0.1,
    "NH4": 0.7,
    "NO3": 14.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0783, 59.2999] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 85,
    "stn_id": "AHC9",
    "water_depth": 196,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1211",
    "depth": 26.0,
    "PO4": 1.44,
    "SiOH4": 22.63,
    "NO3_NO2": 14.97,
    "NO2": 0.1,
    "NH4": 0.35,
    "NO3": 14.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0783, 59.2999] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 85,
    "stn_id": "AHC9",
    "water_depth": 196,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1211",
    "depth": 50.0,
    "PO4": 1.46,
    "SiOH4": 22.86,
    "NO3_NO2": 14.94,
    "NO2": 0.13,
    "NH4": 0.26,
    "NO3": 14.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0783, 59.2999] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 85,
    "stn_id": "AHC9",
    "water_depth": 196,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1211",
    "depth": 76.0,
    "PO4": 1.51,
    "SiOH4": 23.18,
    "NO3_NO2": 15.13,
    "NO2": 0.13,
    "NH4": 0.5,
    "NO3": 15.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0783, 59.2999] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 85,
    "stn_id": "AHC9",
    "water_depth": 196,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1211",
    "depth": 100.0,
    "PO4": 1.51,
    "SiOH4": 23.59,
    "NO3_NO2": 15.51,
    "NO2": 0.13,
    "NH4": 0.49,
    "NO3": 15.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0783, 59.2999] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 85,
    "stn_id": "AHC9",
    "water_depth": 196,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1211",
    "depth": 148.0,
    "PO4": 1.61,
    "SiOH4": 25.8,
    "NO3_NO2": 16.99,
    "NO2": 0.16,
    "NH4": 0.58,
    "NO3": 16.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0783, 59.2999] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 85,
    "stn_id": "AHC9",
    "water_depth": 196,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1211",
    "depth": 194.0,
    "PO4": 2.08,
    "SiOH4": 34.84,
    "NO3_NO2": 23.16,
    "NO2": 0.13,
    "NH4": 1.08,
    "NO3": 23.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.077, 59.233] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 86,
    "stn_id": "XHCL6",
    "water_depth": 232,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1248",
    "depth": 2.0,
    "PO4": 1.25,
    "SiOH4": 22.27,
    "NO3_NO2": 15.01,
    "NO2": 0.14,
    "NH4": null,
    "NO3": 14.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.077, 59.233] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 86,
    "stn_id": "XHCL6",
    "water_depth": 232,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1248",
    "depth": 11.0,
    "PO4": 1.41,
    "SiOH4": 22.24,
    "NO3_NO2": 15.06,
    "NO2": 0.15,
    "NH4": null,
    "NO3": 14.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.077, 59.233] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 86,
    "stn_id": "XHCL6",
    "water_depth": 232,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1248",
    "depth": 25.0,
    "PO4": 1.45,
    "SiOH4": 22.12,
    "NO3_NO2": 15.01,
    "NO2": 0.14,
    "NH4": null,
    "NO3": 14.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.077, 59.233] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 86,
    "stn_id": "XHCL6",
    "water_depth": 232,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1248",
    "depth": 51.0,
    "PO4": 1.44,
    "SiOH4": 22.27,
    "NO3_NO2": 15.15,
    "NO2": 0.15,
    "NH4": null,
    "NO3": 15.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.077, 59.233] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 86,
    "stn_id": "XHCL6",
    "water_depth": 232,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1248",
    "depth": 72.0,
    "PO4": 1.48,
    "SiOH4": 22.87,
    "NO3_NO2": 15.7,
    "NO2": 0.16,
    "NH4": null,
    "NO3": 15.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.077, 59.233] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 86,
    "stn_id": "XHCL6",
    "water_depth": 232,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1248",
    "depth": 97.0,
    "PO4": 1.47,
    "SiOH4": 22.57,
    "NO3_NO2": 15.51,
    "NO2": 0.2,
    "NH4": null,
    "NO3": 15.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.077, 59.233] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 86,
    "stn_id": "XHCL6",
    "water_depth": 232,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1248",
    "depth": 147.0,
    "PO4": 1.52,
    "SiOH4": 22.72,
    "NO3_NO2": 15.74,
    "NO2": 0.21,
    "NH4": null,
    "NO3": 15.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.077, 59.233] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 86,
    "stn_id": "XHCL6",
    "water_depth": 232,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1248",
    "depth": 230.0,
    "PO4": 1.65,
    "SiOH4": 26.47,
    "NO3_NO2": 18.34,
    "NO2": 0.17,
    "NH4": null,
    "NO3": 18.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4928, 58.7913] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 87,
    "stn_id": "GAK8",
    "water_depth": 291,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1804",
    "depth": 2.0,
    "PO4": 1.24,
    "SiOH4": 15.05,
    "NO3_NO2": 14.42,
    "NO2": 0.14,
    "NH4": null,
    "NO3": 14.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4928, 58.7913] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 87,
    "stn_id": "GAK8",
    "water_depth": 291,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1804",
    "depth": 6.0,
    "PO4": 1.38,
    "SiOH4": 14.72,
    "NO3_NO2": 14.43,
    "NO2": 0.2,
    "NH4": null,
    "NO3": 14.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4928, 58.7913] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 87,
    "stn_id": "GAK8",
    "water_depth": 291,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1804",
    "depth": 10.0,
    "PO4": 1.4,
    "SiOH4": 14.58,
    "NO3_NO2": 14.66,
    "NO2": 0.15,
    "NH4": null,
    "NO3": 14.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4928, 58.7913] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 87,
    "stn_id": "GAK8",
    "water_depth": 291,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1804",
    "depth": 20.0,
    "PO4": 1.43,
    "SiOH4": 14.52,
    "NO3_NO2": 14.71,
    "NO2": 0.13,
    "NH4": null,
    "NO3": 14.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4928, 58.7913] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 87,
    "stn_id": "GAK8",
    "water_depth": 291,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1804",
    "depth": 34.0,
    "PO4": 1.42,
    "SiOH4": 14.37,
    "NO3_NO2": 13.2,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 13.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4928, 58.7913] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 87,
    "stn_id": "GAK8",
    "water_depth": 291,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1804",
    "depth": 49.0,
    "PO4": 1.47,
    "SiOH4": 14.04,
    "NO3_NO2": 13.07,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 13.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.408] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 88,
    "stn_id": "RI10",
    "water_depth": 167,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "2244",
    "depth": 3.0,
    "PO4": 1.37,
    "SiOH4": 15.51,
    "NO3_NO2": 13.12,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 13.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.408] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 88,
    "stn_id": "RI10",
    "water_depth": 167,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "2244",
    "depth": 11.0,
    "PO4": 1.47,
    "SiOH4": 15.28,
    "NO3_NO2": 13.49,
    "NO2": 0.06,
    "NH4": null,
    "NO3": 13.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.408] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 88,
    "stn_id": "RI10",
    "water_depth": 167,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "2244",
    "depth": 25.0,
    "PO4": 1.47,
    "SiOH4": 14.77,
    "NO3_NO2": 13.4,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 13.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.408] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 88,
    "stn_id": "RI10",
    "water_depth": 167,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "2244",
    "depth": 49.0,
    "PO4": 1.47,
    "SiOH4": 14.71,
    "NO3_NO2": 13.4,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 13.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.408] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 88,
    "stn_id": "RI10",
    "water_depth": 167,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "2244",
    "depth": 75.0,
    "PO4": 1.56,
    "SiOH4": 16.0,
    "NO3_NO2": 14.96,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 14.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.408] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 88,
    "stn_id": "RI10",
    "water_depth": 167,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "2244",
    "depth": 100.0,
    "PO4": 1.67,
    "SiOH4": 17.02,
    "NO3_NO2": 16.06,
    "NO2": 0.14,
    "NH4": null,
    "NO3": 15.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.408] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 88,
    "stn_id": "RI10",
    "water_depth": 167,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "2244",
    "depth": 162.0,
    "PO4": 2.35,
    "SiOH4": 29.46,
    "NO3_NO2": 24.87,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 24.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0469, 59.407] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 89,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "2340",
    "depth": 3.0,
    "PO4": 1.29,
    "SiOH4": 15.2,
    "NO3_NO2": 14.4,
    "NO2": 0.15,
    "NH4": null,
    "NO3": 14.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0469, 59.407] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 89,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "2340",
    "depth": 10.0,
    "PO4": 1.4,
    "SiOH4": 15.11,
    "NO3_NO2": 14.39,
    "NO2": 0.15,
    "NH4": null,
    "NO3": 14.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0469, 59.407] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 89,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "2340",
    "depth": 24.0,
    "PO4": 1.46,
    "SiOH4": 15.38,
    "NO3_NO2": 14.47,
    "NO2": 0.15,
    "NH4": null,
    "NO3": 14.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0469, 59.407] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 89,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "2340",
    "depth": 50.0,
    "PO4": 1.49,
    "SiOH4": 15.83,
    "NO3_NO2": 15.27,
    "NO2": 0.15,
    "NH4": null,
    "NO3": 15.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0469, 59.407] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 89,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "2340",
    "depth": 73.0,
    "PO4": 1.56,
    "SiOH4": 16.1,
    "NO3_NO2": 15.76,
    "NO2": 0.17,
    "NH4": null,
    "NO3": 15.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0469, 59.407] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 89,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "2340",
    "depth": 96.0,
    "PO4": 1.77,
    "SiOH4": 20.68,
    "NO3_NO2": 19.03,
    "NO2": 0.17,
    "NH4": null,
    "NO3": 18.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0469, 59.407] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 89,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "2340",
    "depth": 148.0,
    "PO4": 2.16,
    "SiOH4": 27.16,
    "NO3_NO2": 23.31,
    "NO2": 0.17,
    "NH4": null,
    "NO3": 23.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0469, 59.407] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 89,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "2340",
    "depth": 196.0,
    "PO4": 2.05,
    "SiOH4": 26.26,
    "NO3_NO2": 22.52,
    "NO2": 0.2,
    "NH4": null,
    "NO3": 22.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2113, 59.4064] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 90,
    "stn_id": "RI8",
    "water_depth": 187,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0032",
    "depth": 2.0,
    "PO4": 1.35,
    "SiOH4": 15.56,
    "NO3_NO2": 13.88,
    "NO2": 0.17,
    "NH4": null,
    "NO3": 13.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2113, 59.4064] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 90,
    "stn_id": "RI8",
    "water_depth": 187,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0032",
    "depth": 10.0,
    "PO4": 1.42,
    "SiOH4": 16.01,
    "NO3_NO2": 14.19,
    "NO2": 0.17,
    "NH4": null,
    "NO3": 14.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2113, 59.4064] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 90,
    "stn_id": "RI8",
    "water_depth": 187,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0032",
    "depth": 23.0,
    "PO4": 1.47,
    "SiOH4": 16.28,
    "NO3_NO2": 14.63,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 14.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2113, 59.4064] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 90,
    "stn_id": "RI8",
    "water_depth": 187,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0032",
    "depth": 50.0,
    "PO4": 1.44,
    "SiOH4": 16.19,
    "NO3_NO2": 14.7,
    "NO2": 0.24,
    "NH4": null,
    "NO3": 14.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2113, 59.4064] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 90,
    "stn_id": "RI8",
    "water_depth": 187,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0032",
    "depth": 76.0,
    "PO4": 1.46,
    "SiOH4": 16.1,
    "NO3_NO2": 14.6,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 14.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2113, 59.4064] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 90,
    "stn_id": "RI8",
    "water_depth": 187,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0032",
    "depth": 100.0,
    "PO4": 1.46,
    "SiOH4": 16.1,
    "NO3_NO2": 14.68,
    "NO2": 0.21,
    "NH4": null,
    "NO3": 14.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2113, 59.4064] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 90,
    "stn_id": "RI8",
    "water_depth": 187,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0032",
    "depth": 147.0,
    "PO4": 1.47,
    "SiOH4": 16.55,
    "NO3_NO2": 14.71,
    "NO2": 0.26,
    "NH4": null,
    "NO3": 14.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3771, 59.4062] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 91,
    "stn_id": "RI7",
    "water_depth": 142,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0124",
    "depth": 3.0,
    "PO4": 1.1,
    "SiOH4": 12.11,
    "NO3_NO2": 11.94,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 11.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3771, 59.4062] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 91,
    "stn_id": "RI7",
    "water_depth": 142,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0124",
    "depth": 10.0,
    "PO4": 1.05,
    "SiOH4": 13.5,
    "NO3_NO2": 12.28,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 12.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3771, 59.4062] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 91,
    "stn_id": "RI7",
    "water_depth": 142,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0124",
    "depth": 21.0,
    "PO4": 1.26,
    "SiOH4": 15.73,
    "NO3_NO2": 13.85,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 13.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3771, 59.4062] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 91,
    "stn_id": "RI7",
    "water_depth": 142,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0124",
    "depth": 30.0,
    "PO4": 1.32,
    "SiOH4": 16.08,
    "NO3_NO2": 14.29,
    "NO2": 0.06,
    "NH4": null,
    "NO3": 14.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3771, 59.4062] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 91,
    "stn_id": "RI7",
    "water_depth": 142,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0124",
    "depth": 50.0,
    "PO4": 1.33,
    "SiOH4": 16.34,
    "NO3_NO2": 14.69,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 14.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3771, 59.4062] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 91,
    "stn_id": "RI7",
    "water_depth": 142,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0124",
    "depth": 74.0,
    "PO4": 1.34,
    "SiOH4": 16.39,
    "NO3_NO2": 15.23,
    "NO2": 0.06,
    "NH4": null,
    "NO3": 15.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3771, 59.4062] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 91,
    "stn_id": "RI7",
    "water_depth": 142,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0124",
    "depth": 99.0,
    "PO4": 1.39,
    "SiOH4": 16.25,
    "NO3_NO2": 15.52,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 15.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3771, 59.4062] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 91,
    "stn_id": "RI7",
    "water_depth": 142,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0124",
    "depth": 140.0,
    "PO4": 1.39,
    "SiOH4": 17.29,
    "NO3_NO2": 15.91,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 15.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5437, 59.4067] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 92,
    "stn_id": "RI6",
    "water_depth": 97,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0213",
    "depth": 2.0,
    "PO4": 0.97,
    "SiOH4": 10.72,
    "NO3_NO2": 10.91,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 10.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5437, 59.4067] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 92,
    "stn_id": "RI6",
    "water_depth": 97,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0213",
    "depth": 11.0,
    "PO4": 1.03,
    "SiOH4": 10.89,
    "NO3_NO2": 11.08,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 11.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5437, 59.4067] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 92,
    "stn_id": "RI6",
    "water_depth": 97,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0213",
    "depth": 22.0,
    "PO4": 1.19,
    "SiOH4": 12.58,
    "NO3_NO2": 12.59,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 12.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5437, 59.4067] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 92,
    "stn_id": "RI6",
    "water_depth": 97,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0213",
    "depth": 29.0,
    "PO4": 1.24,
    "SiOH4": 12.97,
    "NO3_NO2": 13.0,
    "NO2": 0.21,
    "NH4": null,
    "NO3": 12.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5437, 59.4067] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 92,
    "stn_id": "RI6",
    "water_depth": 97,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0213",
    "depth": 49.0,
    "PO4": 1.25,
    "SiOH4": 13.57,
    "NO3_NO2": 13.41,
    "NO2": 0.21,
    "NH4": null,
    "NO3": 13.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5437, 59.4067] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 92,
    "stn_id": "RI6",
    "water_depth": 97,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0213",
    "depth": 74.0,
    "PO4": 1.3,
    "SiOH4": 13.42,
    "NO3_NO2": 13.77,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 13.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5437, 59.4067] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 92,
    "stn_id": "RI6",
    "water_depth": 97,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0213",
    "depth": 94.0,
    "PO4": 1.33,
    "SiOH4": 13.81,
    "NO3_NO2": 13.94,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 13.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7092, 59.4075] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 93,
    "stn_id": "RI5",
    "water_depth": 126,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0253",
    "depth": 2.0,
    "PO4": 1.14,
    "SiOH4": 13.33,
    "NO3_NO2": 11.08,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 10.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7092, 59.4075] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 93,
    "stn_id": "RI5",
    "water_depth": 126,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0253",
    "depth": 12.0,
    "PO4": 1.18,
    "SiOH4": 13.63,
    "NO3_NO2": 11.57,
    "NO2": 0.16,
    "NH4": null,
    "NO3": 11.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7092, 59.4075] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 93,
    "stn_id": "RI5",
    "water_depth": 126,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0253",
    "depth": 26.0,
    "PO4": 1.33,
    "SiOH4": 16.31,
    "NO3_NO2": 13.44,
    "NO2": 0.18,
    "NH4": null,
    "NO3": 13.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7092, 59.4075] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 93,
    "stn_id": "RI5",
    "water_depth": 126,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0253",
    "depth": 49.0,
    "PO4": 1.34,
    "SiOH4": 16.4,
    "NO3_NO2": 13.79,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 13.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7092, 59.4075] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 93,
    "stn_id": "RI5",
    "water_depth": 126,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0253",
    "depth": 103.0,
    "PO4": 1.41,
    "SiOH4": 17.68,
    "NO3_NO2": 15.11,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 15.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7092, 59.4075] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 93,
    "stn_id": "RI5",
    "water_depth": 126,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0253",
    "depth": 123.0,
    "PO4": 1.41,
    "SiOH4": 17.77,
    "NO3_NO2": 15.19,
    "NO2": 0.09,
    "NH4": null,
    "NO3": 15.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8692, 59.409] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 94,
    "stn_id": "RI4",
    "water_depth": 159,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0334",
    "depth": 3.0,
    "PO4": 1.11,
    "SiOH4": 9.55,
    "NO3_NO2": 11.59,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 11.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8692, 59.409] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 94,
    "stn_id": "RI4",
    "water_depth": 159,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0334",
    "depth": 12.0,
    "PO4": 1.08,
    "SiOH4": 10.5,
    "NO3_NO2": 11.71,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 11.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8692, 59.409] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 94,
    "stn_id": "RI4",
    "water_depth": 159,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0334",
    "depth": 20.0,
    "PO4": 1.19,
    "SiOH4": 11.02,
    "NO3_NO2": 12.39,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 12.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8692, 59.409] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 94,
    "stn_id": "RI4",
    "water_depth": 159,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0334",
    "depth": 40.0,
    "PO4": 1.37,
    "SiOH4": 13.36,
    "NO3_NO2": 13.89,
    "NO2": 0.09,
    "NH4": null,
    "NO3": 13.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8692, 59.409] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 94,
    "stn_id": "RI4",
    "water_depth": 159,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0334",
    "depth": 77.0,
    "PO4": 1.4,
    "SiOH4": 13.67,
    "NO3_NO2": 17.91,
    "NO2": 0.09,
    "NH4": null,
    "NO3": 17.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8692, 59.409] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 94,
    "stn_id": "RI4",
    "water_depth": 159,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0334",
    "depth": 101.0,
    "PO4": 1.39,
    "SiOH4": 13.97,
    "NO3_NO2": 18.08,
    "NO2": 0.09,
    "NH4": null,
    "NO3": 18.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8692, 59.409] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 94,
    "stn_id": "RI4",
    "water_depth": 159,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0334",
    "depth": 157.0,
    "PO4": 1.48,
    "SiOH4": 15.56,
    "NO3_NO2": 15.23,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 15.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0331, 59.4073] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 95,
    "stn_id": "RI3",
    "water_depth": 160,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0421",
    "depth": 3.0,
    "PO4": 1.16,
    "SiOH4": 11.56,
    "NO3_NO2": 12.1,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 12.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0331, 59.4073] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 95,
    "stn_id": "RI3",
    "water_depth": 160,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0421",
    "depth": 11.0,
    "PO4": 1.23,
    "SiOH4": 11.75,
    "NO3_NO2": 12.22,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 12.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0331, 59.4073] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 95,
    "stn_id": "RI3",
    "water_depth": 160,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0421",
    "depth": 26.0,
    "PO4": 1.26,
    "SiOH4": 12.8,
    "NO3_NO2": 12.76,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 12.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0331, 59.4073] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 95,
    "stn_id": "RI3",
    "water_depth": 160,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0421",
    "depth": 51.0,
    "PO4": 1.33,
    "SiOH4": 14.07,
    "NO3_NO2": 13.62,
    "NO2": 0.09,
    "NH4": null,
    "NO3": 13.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0331, 59.4073] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 95,
    "stn_id": "RI3",
    "water_depth": 160,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0421",
    "depth": 75.0,
    "PO4": 1.39,
    "SiOH4": 14.59,
    "NO3_NO2": 14.11,
    "NO2": 0.09,
    "NH4": null,
    "NO3": 14.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0331, 59.4073] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 95,
    "stn_id": "RI3",
    "water_depth": 160,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0421",
    "depth": 99.0,
    "PO4": 1.4,
    "SiOH4": 15.32,
    "NO3_NO2": 14.47,
    "NO2": 0.09,
    "NH4": null,
    "NO3": 14.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0331, 59.4073] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 95,
    "stn_id": "RI3",
    "water_depth": 160,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0421",
    "depth": 156.0,
    "PO4": 1.41,
    "SiOH4": 15.19,
    "NO3_NO2": 14.5,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 14.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.198, 59.4068] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 96,
    "stn_id": "RI2",
    "water_depth": 120,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0508",
    "depth": 3.0,
    "PO4": 1.06,
    "SiOH4": 1.69,
    "NO3_NO2": 10.5,
    "NO2": 0.13,
    "NH4": null,
    "NO3": 10.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.198, 59.4068] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 96,
    "stn_id": "RI2",
    "water_depth": 120,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0508",
    "depth": 12.0,
    "PO4": 1.16,
    "SiOH4": 2.74,
    "NO3_NO2": 12.39,
    "NO2": 0.12,
    "NH4": null,
    "NO3": 12.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.198, 59.4068] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 96,
    "stn_id": "RI2",
    "water_depth": 120,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0508",
    "depth": 25.0,
    "PO4": 1.23,
    "SiOH4": 3.67,
    "NO3_NO2": 12.85,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 12.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.198, 59.4068] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 96,
    "stn_id": "RI2",
    "water_depth": 120,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0508",
    "depth": 50.0,
    "PO4": 1.26,
    "SiOH4": 4.5,
    "NO3_NO2": 13.49,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 13.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.198, 59.4068] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 96,
    "stn_id": "RI2",
    "water_depth": 120,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0508",
    "depth": 74.0,
    "PO4": 1.33,
    "SiOH4": 6.52,
    "NO3_NO2": 14.28,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 14.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.198, 59.4068] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 96,
    "stn_id": "RI2",
    "water_depth": 120,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0508",
    "depth": 94.0,
    "PO4": 1.5,
    "SiOH4": 10.04,
    "NO3_NO2": 15.65,
    "NO2": 0.09,
    "NH4": null,
    "NO3": 15.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.198, 59.4068] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 96,
    "stn_id": "RI2",
    "water_depth": 120,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0508",
    "depth": 124.0,
    "PO4": 1.59,
    "SiOH4": 12.27,
    "NO3_NO2": 17.17,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 17.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.2592, 59.4069] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 97,
    "stn_id": "RI1",
    "water_depth": 100,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0531",
    "depth": 1.0,
    "PO4": 1.03,
    "SiOH4": 4.06,
    "NO3_NO2": 11.12,
    "NO2": 0.15,
    "NH4": null,
    "NO3": 10.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.2592, 59.4069] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 97,
    "stn_id": "RI1",
    "water_depth": 100,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0531",
    "depth": 11.0,
    "PO4": 1.11,
    "SiOH4": 5.43,
    "NO3_NO2": 11.63,
    "NO2": 0.09,
    "NH4": null,
    "NO3": 11.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.2592, 59.4069] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 97,
    "stn_id": "RI1",
    "water_depth": 100,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0531",
    "depth": 25.0,
    "PO4": 1.12,
    "SiOH4": 6.26,
    "NO3_NO2": 11.68,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 11.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.2592, 59.4069] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 97,
    "stn_id": "RI1",
    "water_depth": 100,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0531",
    "depth": 50.0,
    "PO4": 1.14,
    "SiOH4": 6.98,
    "NO3_NO2": 11.87,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 11.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.2592, 59.4069] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 97,
    "stn_id": "RI1",
    "water_depth": 100,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0531",
    "depth": 74.0,
    "PO4": 1.22,
    "SiOH4": 9.1,
    "NO3_NO2": 12.97,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 12.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.2592, 59.4069] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 97,
    "stn_id": "RI1",
    "water_depth": 100,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0531",
    "depth": 92.0,
    "PO4": 1.41,
    "SiOH4": 12.51,
    "NO3_NO2": 14.58,
    "NO2": 0.09,
    "NH4": null,
    "NO3": 14.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.9358, 59.1692] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 98,
    "stn_id": "GP1",
    "water_depth": 63,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0827",
    "depth": 11.0,
    "PO4": 1.14,
    "SiOH4": 5.38,
    "NO3_NO2": 11.3,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 11.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.9358, 59.1692] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 98,
    "stn_id": "GP1",
    "water_depth": 63,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0827",
    "depth": 15.0,
    "PO4": 1.15,
    "SiOH4": 6.13,
    "NO3_NO2": 11.51,
    "NO2": 0.06,
    "NH4": null,
    "NO3": 11.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.9358, 59.1692] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 98,
    "stn_id": "GP1",
    "water_depth": 63,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0827",
    "depth": 25.0,
    "PO4": 1.12,
    "SiOH4": 6.78,
    "NO3_NO2": 11.62,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 11.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.9358, 59.1692] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 98,
    "stn_id": "GP1",
    "water_depth": 63,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0827",
    "depth": 35.0,
    "PO4": 1.24,
    "SiOH4": 8.29,
    "NO3_NO2": 12.65,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 12.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.9358, 59.1692] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 98,
    "stn_id": "GP1",
    "water_depth": 63,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0827",
    "depth": 51.0,
    "PO4": 1.31,
    "SiOH4": 11.16,
    "NO3_NO2": 13.41,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 13.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.9358, 59.1692] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 98,
    "stn_id": "GP1",
    "water_depth": 63,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0827",
    "depth": 62.0,
    "PO4": 1.3,
    "SiOH4": 11.78,
    "NO3_NO2": 13.43,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 13.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.8629, 59.1028] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 99,
    "stn_id": "GP2",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0909",
    "depth": 3.0,
    "PO4": 2.03,
    "SiOH4": 10.33,
    "NO3_NO2": 11.51,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 11.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.8629, 59.1028] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 99,
    "stn_id": "GP2",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0909",
    "depth": 9.0,
    "PO4": 2.11,
    "SiOH4": 10.95,
    "NO3_NO2": 11.55,
    "NO2": 0.12,
    "NH4": null,
    "NO3": 11.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.8629, 59.1028] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 99,
    "stn_id": "GP2",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0909",
    "depth": 26.0,
    "PO4": 2.19,
    "SiOH4": 11.57,
    "NO3_NO2": 12.47,
    "NO2": 0.12,
    "NH4": null,
    "NO3": 12.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.8629, 59.1028] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 99,
    "stn_id": "GP2",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0909",
    "depth": 51.0,
    "PO4": 2.3,
    "SiOH4": 13.8,
    "NO3_NO2": 13.89,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 13.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.8629, 59.1028] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 99,
    "stn_id": "GP2",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0909",
    "depth": 69.0,
    "PO4": 2.4,
    "SiOH4": 14.85,
    "NO3_NO2": 14.76,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 14.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.8629, 59.1028] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 99,
    "stn_id": "GP2",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0909",
    "depth": 97.0,
    "PO4": 2.49,
    "SiOH4": 16.22,
    "NO3_NO2": 15.91,
    "NO2": 0.12,
    "NH4": null,
    "NO3": 15.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.8629, 59.1028] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 99,
    "stn_id": "GP2",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0909",
    "depth": 151.0,
    "PO4": 2.92,
    "SiOH4": 25.77,
    "NO3_NO2": 22.01,
    "NO2": 0.09,
    "NH4": null,
    "NO3": 21.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.8629, 59.1028] },
  "properties": {
    "cruise_id": "HX226",
    "ship": "Alpha_Helix",
    "year": 1999,
    "stn_no": 99,
    "stn_id": "GP2",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "0909",
    "depth": 191.0,
    "PO4": 3.13,
    "SiOH4": 32.74,
    "NO3_NO2": 25.31,
    "NO2": 0.14,
    "NH4": null,
    "NO3": 25.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4694, 59.8443] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1537",
    "depth": 3.0,
    "PO4": 1.11,
    "SiOH4": 21.72,
    "NO3_NO2": 14.25,
    "NO2": 0.2,
    "NH4": 0.02,
    "NO3": 14.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4694, 59.8443] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1537",
    "depth": 10.0,
    "PO4": 1.24,
    "SiOH4": 21.81,
    "NO3_NO2": 14.88,
    "NO2": 0.2,
    "NH4": 0.02,
    "NO3": 14.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4694, 59.8443] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1537",
    "depth": 19.0,
    "PO4": 1.32,
    "SiOH4": 21.98,
    "NO3_NO2": 15.36,
    "NO2": 0.08,
    "NH4": 0.01,
    "NO3": 15.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4694, 59.8443] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1537",
    "depth": 30.0,
    "PO4": 1.31,
    "SiOH4": 21.72,
    "NO3_NO2": 15.53,
    "NO2": 0.08,
    "NH4": 0.01,
    "NO3": 15.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4694, 59.8443] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1537",
    "depth": 39.0,
    "PO4": 1.32,
    "SiOH4": 21.12,
    "NO3_NO2": 15.49,
    "NO2": 0.06,
    "NH4": 0.0,
    "NO3": 15.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4694, 59.8443] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1537",
    "depth": 50.0,
    "PO4": 1.36,
    "SiOH4": 21.55,
    "NO3_NO2": 15.56,
    "NO2": 0.11,
    "NH4": 0.02,
    "NO3": 15.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4694, 59.8443] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1537",
    "depth": 101.0,
    "PO4": 1.46,
    "SiOH4": 23.97,
    "NO3_NO2": 17.22,
    "NO2": 0.08,
    "NH4": 0.02,
    "NO3": 17.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4694, 59.8443] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1537",
    "depth": 151.0,
    "PO4": 1.48,
    "SiOH4": 24.66,
    "NO3_NO2": 17.9,
    "NO2": 0.11,
    "NH4": 0.01,
    "NO3": 17.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4694, 59.8443] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1537",
    "depth": 268.0,
    "PO4": 1.86,
    "SiOH4": 30.43,
    "NO3_NO2": 21.77,
    "NO2": 0.08,
    "NH4": 0.12,
    "NO3": 21.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3982, 59.7654] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 266,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1752",
    "depth": 2.0,
    "PO4": 1.3,
    "SiOH4": 23.11,
    "NO3_NO2": 15.94,
    "NO2": 0.22,
    "NH4": 0.0,
    "NO3": 15.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3982, 59.7654] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 266,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1752",
    "depth": 10.0,
    "PO4": 1.45,
    "SiOH4": 23.29,
    "NO3_NO2": 15.94,
    "NO2": 0.19,
    "NH4": 0.11,
    "NO3": 15.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3982, 59.7654] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 266,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1752",
    "depth": 20.0,
    "PO4": 1.38,
    "SiOH4": 23.73,
    "NO3_NO2": 16.26,
    "NO2": 0.18,
    "NH4": 0.22,
    "NO3": 16.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3982, 59.7654] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 266,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1752",
    "depth": 30.0,
    "PO4": 1.38,
    "SiOH4": 24.34,
    "NO3_NO2": 16.42,
    "NO2": 0.15,
    "NH4": 0.22,
    "NO3": 16.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3982, 59.7654] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 266,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1752",
    "depth": 40.0,
    "PO4": 1.42,
    "SiOH4": 24.35,
    "NO3_NO2": 16.59,
    "NO2": 0.14,
    "NH4": 0.22,
    "NO3": 16.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3982, 59.7654] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 266,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1752",
    "depth": 50.0,
    "PO4": 1.41,
    "SiOH4": 24.7,
    "NO3_NO2": 16.8,
    "NO2": 0.17,
    "NH4": 0.13,
    "NO3": 16.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3982, 59.7654] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 266,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1752",
    "depth": 75.0,
    "PO4": 1.41,
    "SiOH4": 25.05,
    "NO3_NO2": 17.73,
    "NO2": 0.16,
    "NH4": 0.07,
    "NO3": 17.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3982, 59.7654] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 266,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1752",
    "depth": 101.0,
    "PO4": 1.38,
    "SiOH4": 24.8,
    "NO3_NO2": 17.33,
    "NO2": 0.16,
    "NH4": 0.21,
    "NO3": 17.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3982, 59.7654] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 266,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1752",
    "depth": 151.0,
    "PO4": 1.42,
    "SiOH4": 25.07,
    "NO3_NO2": 17.75,
    "NO2": 0.18,
    "NH4": 0.15,
    "NO3": 17.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3982, 59.7654] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 266,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1752",
    "depth": 199.0,
    "PO4": 1.43,
    "SiOH4": 24.3,
    "NO3_NO2": 18.17,
    "NO2": 0.18,
    "NH4": 0.23,
    "NO3": 17.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3982, 59.7654] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK1I",
    "water_depth": 266,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1752",
    "depth": 255.0,
    "PO4": 1.68,
    "SiOH4": 29.3,
    "NO3_NO2": 21.21,
    "NO2": 0.14,
    "NH4": 0.2,
    "NO3": 21.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3324, 59.6914] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1847",
    "depth": 3.0,
    "PO4": 1.19,
    "SiOH4": 23.48,
    "NO3_NO2": 15.74,
    "NO2": 0.14,
    "NH4": 0.02,
    "NO3": 15.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3324, 59.6914] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1847",
    "depth": 10.0,
    "PO4": 1.36,
    "SiOH4": 24.55,
    "NO3_NO2": 16.26,
    "NO2": 0.13,
    "NH4": 0.01,
    "NO3": 16.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3324, 59.6914] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1847",
    "depth": 20.0,
    "PO4": 1.37,
    "SiOH4": 25.27,
    "NO3_NO2": 16.64,
    "NO2": 0.08,
    "NH4": 0.03,
    "NO3": 16.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3324, 59.6914] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1847",
    "depth": 31.0,
    "PO4": 1.43,
    "SiOH4": 25.9,
    "NO3_NO2": 17.11,
    "NO2": 0.07,
    "NH4": 0.08,
    "NO3": 17.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3324, 59.6914] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1847",
    "depth": 40.0,
    "PO4": 1.4,
    "SiOH4": 26.19,
    "NO3_NO2": 17.23,
    "NO2": 0.07,
    "NH4": 0.07,
    "NO3": 17.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3324, 59.6914] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1847",
    "depth": 50.0,
    "PO4": 1.5,
    "SiOH4": 26.4,
    "NO3_NO2": 17.4,
    "NO2": 0.07,
    "NH4": 0.18,
    "NO3": 17.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3324, 59.6914] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1847",
    "depth": 75.0,
    "PO4": 1.5,
    "SiOH4": 26.86,
    "NO3_NO2": 17.77,
    "NO2": 0.09,
    "NH4": 0.17,
    "NO3": 17.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3324, 59.6914] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1847",
    "depth": 100.0,
    "PO4": 1.5,
    "SiOH4": 27.32,
    "NO3_NO2": 17.79,
    "NO2": 0.15,
    "NH4": 0.14,
    "NO3": 17.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3324, 59.6914] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1847",
    "depth": 150.0,
    "PO4": 1.49,
    "SiOH4": 26.92,
    "NO3_NO2": 17.8,
    "NO2": 0.17,
    "NH4": 0.13,
    "NO3": 17.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3324, 59.6914] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1847",
    "depth": 230.0,
    "PO4": 1.7,
    "SiOH4": 31.09,
    "NO3_NO2": 20.49,
    "NO2": 0.09,
    "NH4": 0.12,
    "NO3": 20.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2586, 59.626] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1956",
    "depth": 2.0,
    "PO4": 1.3,
    "SiOH4": 22.8,
    "NO3_NO2": 17.21,
    "NO2": 0.05,
    "NH4": 0.03,
    "NO3": 17.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2586, 59.626] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1956",
    "depth": 10.0,
    "PO4": 1.38,
    "SiOH4": 23.6,
    "NO3_NO2": 17.31,
    "NO2": 0.04,
    "NH4": 0.02,
    "NO3": 17.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2586, 59.626] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1956",
    "depth": 20.0,
    "PO4": 1.45,
    "SiOH4": 24.06,
    "NO3_NO2": 17.35,
    "NO2": 0.03,
    "NH4": 0.0,
    "NO3": 17.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2586, 59.626] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1956",
    "depth": 30.0,
    "PO4": 1.45,
    "SiOH4": 24.18,
    "NO3_NO2": 17.35,
    "NO2": 0.03,
    "NH4": 0.02,
    "NO3": 17.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2586, 59.626] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1956",
    "depth": 40.0,
    "PO4": 1.46,
    "SiOH4": 24.21,
    "NO3_NO2": 17.34,
    "NO2": 0.05,
    "NH4": 0.07,
    "NO3": 17.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2586, 59.626] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1956",
    "depth": 50.0,
    "PO4": 1.46,
    "SiOH4": 24.33,
    "NO3_NO2": 17.44,
    "NO2": 0.04,
    "NH4": 0.04,
    "NO3": 17.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2586, 59.626] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1956",
    "depth": 81.0,
    "PO4": 1.46,
    "SiOH4": 24.53,
    "NO3_NO2": 17.44,
    "NO2": 0.03,
    "NH4": 0.01,
    "NO3": 17.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2586, 59.626] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1956",
    "depth": 101.0,
    "PO4": 1.44,
    "SiOH4": 24.99,
    "NO3_NO2": 17.53,
    "NO2": 0.02,
    "NH4": 0.06,
    "NO3": 17.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2586, 59.626] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1956",
    "depth": 150.0,
    "PO4": 1.54,
    "SiOH4": 25.8,
    "NO3_NO2": 18.1,
    "NO2": 0.02,
    "NH4": 0.03,
    "NO3": 18.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2586, 59.626] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1956",
    "depth": 211.0,
    "PO4": 1.75,
    "SiOH4": 30.23,
    "NO3_NO2": 20.97,
    "NO2": 0.06,
    "NH4": 0.03,
    "NO3": 20.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1876, 59.5525] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK3",
    "water_depth": 219,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2047",
    "depth": 3.0,
    "PO4": 1.23,
    "SiOH4": 26.93,
    "NO3_NO2": 17.56,
    "NO2": 0.14,
    "NH4": 0.1,
    "NO3": 17.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1876, 59.5525] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK3",
    "water_depth": 219,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2047",
    "depth": 11.0,
    "PO4": 1.32,
    "SiOH4": 27.11,
    "NO3_NO2": 17.86,
    "NO2": 0.15,
    "NH4": 0.03,
    "NO3": 17.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1876, 59.5525] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK3",
    "water_depth": 219,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2047",
    "depth": 20.0,
    "PO4": 1.34,
    "SiOH4": 27.3,
    "NO3_NO2": 17.96,
    "NO2": 0.14,
    "NH4": 0.13,
    "NO3": 17.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1876, 59.5525] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK3",
    "water_depth": 219,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2047",
    "depth": 30.0,
    "PO4": 1.34,
    "SiOH4": 27.82,
    "NO3_NO2": 18.11,
    "NO2": 0.12,
    "NH4": 0.15,
    "NO3": 17.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1876, 59.5525] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK3",
    "water_depth": 219,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2047",
    "depth": 41.0,
    "PO4": 1.39,
    "SiOH4": 28.09,
    "NO3_NO2": 18.26,
    "NO2": 0.1,
    "NH4": 0.19,
    "NO3": 18.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1876, 59.5525] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK3",
    "water_depth": 219,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2047",
    "depth": 50.0,
    "PO4": 1.39,
    "SiOH4": 27.76,
    "NO3_NO2": 18.36,
    "NO2": 0.01,
    "NH4": 0.12,
    "NO3": 18.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1876, 59.5525] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK3",
    "water_depth": 219,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2047",
    "depth": 71.0,
    "PO4": 1.37,
    "SiOH4": 27.77,
    "NO3_NO2": 18.56,
    "NO2": 0.04,
    "NH4": 0.11,
    "NO3": 18.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1876, 59.5525] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK3",
    "water_depth": 219,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2047",
    "depth": 101.0,
    "PO4": 1.37,
    "SiOH4": 27.61,
    "NO3_NO2": 18.71,
    "NO2": 0.03,
    "NH4": 0.1,
    "NO3": 18.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1876, 59.5525] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK3",
    "water_depth": 219,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2047",
    "depth": 150.0,
    "PO4": 1.47,
    "SiOH4": 29.85,
    "NO3_NO2": 20.31,
    "NO2": 0.06,
    "NH4": 0.09,
    "NO3": 20.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1876, 59.5525] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK3",
    "water_depth": 219,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2047",
    "depth": 214.0,
    "PO4": 1.6,
    "SiOH4": 32.85,
    "NO3_NO2": 22.06,
    "NO2": 0.02,
    "NH4": 0.13,
    "NO3": 22.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1167, 59.4807] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK3I",
    "water_depth": 208,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2201",
    "depth": 2.0,
    "PO4": 1.1,
    "SiOH4": 26.2,
    "NO3_NO2": 16.11,
    "NO2": 0.22,
    "NH4": 0.2,
    "NO3": 15.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1167, 59.4807] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK3I",
    "water_depth": 208,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2201",
    "depth": 10.0,
    "PO4": 1.24,
    "SiOH4": 28.34,
    "NO3_NO2": 17.35,
    "NO2": 0.2,
    "NH4": 0.24,
    "NO3": 17.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1167, 59.4807] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK3I",
    "water_depth": 208,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2201",
    "depth": 20.0,
    "PO4": 1.26,
    "SiOH4": 28.7,
    "NO3_NO2": 17.76,
    "NO2": 0.16,
    "NH4": 0.09,
    "NO3": 17.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1167, 59.4807] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK3I",
    "water_depth": 208,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2201",
    "depth": 29.0,
    "PO4": 1.27,
    "SiOH4": 29.39,
    "NO3_NO2": 17.91,
    "NO2": 0.14,
    "NH4": 0.08,
    "NO3": 17.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1167, 59.4807] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK3I",
    "water_depth": 208,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2201",
    "depth": 40.0,
    "PO4": 1.26,
    "SiOH4": 29.49,
    "NO3_NO2": 18.21,
    "NO2": 0.12,
    "NH4": 0.07,
    "NO3": 18.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1167, 59.4807] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK3I",
    "water_depth": 208,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2201",
    "depth": 51.0,
    "PO4": 1.29,
    "SiOH4": 29.33,
    "NO3_NO2": 18.31,
    "NO2": 0.11,
    "NH4": 0.06,
    "NO3": 18.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1167, 59.4807] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK3I",
    "water_depth": 208,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2201",
    "depth": 75.0,
    "PO4": 1.3,
    "SiOH4": 29.77,
    "NO3_NO2": 18.41,
    "NO2": 0.09,
    "NH4": 0.05,
    "NO3": 18.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1167, 59.4807] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK3I",
    "water_depth": 208,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2201",
    "depth": 99.0,
    "PO4": 1.29,
    "SiOH4": 29.53,
    "NO3_NO2": 18.4,
    "NO2": 0.08,
    "NH4": 0.04,
    "NO3": 18.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1167, 59.4807] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK3I",
    "water_depth": 208,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2201",
    "depth": 152.0,
    "PO4": 1.35,
    "SiOH4": 30.05,
    "NO3_NO2": 19.43,
    "NO2": 0.11,
    "NH4": 0.02,
    "NO3": 19.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1167, 59.4807] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK3I",
    "water_depth": 208,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2201",
    "depth": 205.0,
    "PO4": 1.53,
    "SiOH4": 34.08,
    "NO3_NO2": 21.8,
    "NO2": 0.02,
    "NH4": 0.04,
    "NO3": 21.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0486, 59.4089] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "GAK4",
    "water_depth": 204,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2309",
    "depth": 2.0,
    "PO4": 1.26,
    "SiOH4": 28.83,
    "NO3_NO2": 18.08,
    "NO2": 0.05,
    "NH4": 0.03,
    "NO3": 18.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0486, 59.4089] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "GAK4",
    "water_depth": 204,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2309",
    "depth": 10.0,
    "PO4": 1.31,
    "SiOH4": 29.3,
    "NO3_NO2": 18.39,
    "NO2": 0.08,
    "NH4": 0.03,
    "NO3": 18.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0486, 59.4089] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "GAK4",
    "water_depth": 204,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2309",
    "depth": 20.0,
    "PO4": 1.32,
    "SiOH4": 29.16,
    "NO3_NO2": 18.44,
    "NO2": 0.08,
    "NH4": 0.05,
    "NO3": 18.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0486, 59.4089] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "GAK4",
    "water_depth": 204,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2309",
    "depth": 31.0,
    "PO4": 1.33,
    "SiOH4": 29.28,
    "NO3_NO2": 18.44,
    "NO2": 0.08,
    "NH4": 0.05,
    "NO3": 18.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0486, 59.4089] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "GAK4",
    "water_depth": 204,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2309",
    "depth": 40.0,
    "PO4": 1.37,
    "SiOH4": 29.32,
    "NO3_NO2": 18.49,
    "NO2": 0.08,
    "NH4": 0.22,
    "NO3": 18.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0486, 59.4089] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "GAK4",
    "water_depth": 204,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2309",
    "depth": 50.0,
    "PO4": 1.38,
    "SiOH4": 29.1,
    "NO3_NO2": 18.54,
    "NO2": 0.05,
    "NH4": 0.19,
    "NO3": 18.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0486, 59.4089] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "GAK4",
    "water_depth": 204,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2309",
    "depth": 76.0,
    "PO4": 1.38,
    "SiOH4": 29.57,
    "NO3_NO2": 18.54,
    "NO2": 0.05,
    "NH4": 0.3,
    "NO3": 18.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0486, 59.4089] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "GAK4",
    "water_depth": 204,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2309",
    "depth": 99.0,
    "PO4": 1.38,
    "SiOH4": 29.6,
    "NO3_NO2": 18.65,
    "NO2": 0.05,
    "NH4": 0.41,
    "NO3": 18.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0486, 59.4089] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "GAK4",
    "water_depth": 204,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2309",
    "depth": 150.0,
    "PO4": 1.46,
    "SiOH4": 31.35,
    "NO3_NO2": 19.94,
    "NO2": 0.05,
    "NH4": 0.3,
    "NO3": 19.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0486, 59.4089] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "GAK4",
    "water_depth": 204,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2309",
    "depth": 199.0,
    "PO4": 1.46,
    "SiOH4": 30.87,
    "NO3_NO2": 20.04,
    "NO2": 0.03,
    "NH4": 0.05,
    "NO3": 20.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9757, 59.3344] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0327",
    "depth": 4.0,
    "PO4": 1.24,
    "SiOH4": 30.65,
    "NO3_NO2": 18.28,
    "NO2": 0.05,
    "NH4": 0.19,
    "NO3": 18.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9757, 59.3344] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0327",
    "depth": 10.0,
    "PO4": 1.31,
    "SiOH4": 30.6,
    "NO3_NO2": 18.28,
    "NO2": 0.05,
    "NH4": 0.16,
    "NO3": 18.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9757, 59.3344] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0327",
    "depth": 20.0,
    "PO4": 1.32,
    "SiOH4": 30.13,
    "NO3_NO2": 18.28,
    "NO2": 0.05,
    "NH4": 0.14,
    "NO3": 18.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9757, 59.3344] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0327",
    "depth": 29.0,
    "PO4": 1.32,
    "SiOH4": 30.08,
    "NO3_NO2": 17.92,
    "NO2": 0.05,
    "NH4": 0.08,
    "NO3": 17.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9757, 59.3344] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0327",
    "depth": 40.0,
    "PO4": 1.32,
    "SiOH4": 30.2,
    "NO3_NO2": 18.23,
    "NO2": 0.05,
    "NH4": 0.08,
    "NO3": 18.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9757, 59.3344] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0327",
    "depth": 50.0,
    "PO4": 1.38,
    "SiOH4": 30.66,
    "NO3_NO2": 18.8,
    "NO2": 0.05,
    "NH4": 0.22,
    "NO3": 18.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9757, 59.3344] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0327",
    "depth": 74.0,
    "PO4": 1.39,
    "SiOH4": 31.13,
    "NO3_NO2": 19.06,
    "NO2": 0.05,
    "NH4": 0.11,
    "NO3": 19.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9757, 59.3344] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0327",
    "depth": 100.0,
    "PO4": 1.38,
    "SiOH4": 30.22,
    "NO3_NO2": 18.85,
    "NO2": 0.05,
    "NH4": 0.22,
    "NO3": 18.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9757, 59.3344] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0327",
    "depth": 148.0,
    "PO4": 1.41,
    "SiOH4": 30.86,
    "NO3_NO2": 19.58,
    "NO2": 0.05,
    "NH4": 0.11,
    "NO3": 19.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9757, 59.3344] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0327",
    "depth": 191.0,
    "PO4": 1.5,
    "SiOH4": 31.92,
    "NO3_NO2": 21.33,
    "NO2": 0.05,
    "NH4": 0.25,
    "NO3": 21.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9056, 59.262] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0411",
    "depth": 3.0,
    "PO4": 1.38,
    "SiOH4": 23.4,
    "NO3_NO2": 16.84,
    "NO2": 0.11,
    "NH4": 0.15,
    "NO3": 16.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9056, 59.262] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0411",
    "depth": 11.0,
    "PO4": 1.44,
    "SiOH4": 24.18,
    "NO3_NO2": 17.46,
    "NO2": 0.19,
    "NH4": 0.18,
    "NO3": 17.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9056, 59.262] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0411",
    "depth": 20.0,
    "PO4": 1.46,
    "SiOH4": 24.22,
    "NO3_NO2": 17.62,
    "NO2": 0.19,
    "NH4": 0.15,
    "NO3": 17.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9056, 59.262] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0411",
    "depth": 30.0,
    "PO4": 1.5,
    "SiOH4": 24.27,
    "NO3_NO2": 17.67,
    "NO2": 0.29,
    "NH4": 0.15,
    "NO3": 17.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9056, 59.262] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0411",
    "depth": 40.0,
    "PO4": 1.5,
    "SiOH4": 24.32,
    "NO3_NO2": 17.82,
    "NO2": 0.32,
    "NH4": 0.24,
    "NO3": 17.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9056, 59.262] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0411",
    "depth": 50.0,
    "PO4": 1.52,
    "SiOH4": 24.28,
    "NO3_NO2": 17.87,
    "NO2": 0.32,
    "NH4": 0.15,
    "NO3": 17.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9056, 59.262] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0411",
    "depth": 75.0,
    "PO4": 1.58,
    "SiOH4": 24.6,
    "NO3_NO2": 18.6,
    "NO2": 0.03,
    "NH4": 0.12,
    "NO3": 18.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9056, 59.262] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0411",
    "depth": 100.0,
    "PO4": 1.62,
    "SiOH4": 25.38,
    "NO3_NO2": null,
    "NO2": 0.03,
    "NH4": 0.12,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9056, 59.262] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0411",
    "depth": 167.0,
    "PO4": 1.71,
    "SiOH4": 27.61,
    "NO3_NO2": 20.58,
    "NO2": 0.03,
    "NH4": 0.09,
    "NO3": 20.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8378, 59.1914] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 15,
    "stn_id": "GAK5I",
    "water_depth": 166,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1935",
    "depth": 2.0,
    "PO4": 1.39,
    "SiOH4": 24.74,
    "NO3_NO2": 17.23,
    "NO2": 0.08,
    "NH4": 0.18,
    "NO3": 17.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8378, 59.1914] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 15,
    "stn_id": "GAK5I",
    "water_depth": 166,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1935",
    "depth": 10.0,
    "PO4": 1.48,
    "SiOH4": 24.88,
    "NO3_NO2": 17.44,
    "NO2": 0.66,
    "NH4": 0.18,
    "NO3": 16.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8378, 59.1914] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 15,
    "stn_id": "GAK5I",
    "water_depth": 166,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1935",
    "depth": 19.0,
    "PO4": 1.45,
    "SiOH4": 25.11,
    "NO3_NO2": 17.54,
    "NO2": 0.27,
    "NH4": 0.12,
    "NO3": 17.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8378, 59.1914] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 15,
    "stn_id": "GAK5I",
    "water_depth": 166,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1935",
    "depth": 30.0,
    "PO4": 1.52,
    "SiOH4": 25.16,
    "NO3_NO2": 17.69,
    "NO2": 0.21,
    "NH4": 0.03,
    "NO3": 17.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8378, 59.1914] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 15,
    "stn_id": "GAK5I",
    "water_depth": 166,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1935",
    "depth": 39.0,
    "PO4": 1.55,
    "SiOH4": 25.39,
    "NO3_NO2": 17.85,
    "NO2": 0.19,
    "NH4": 0.03,
    "NO3": 17.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8378, 59.1914] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 15,
    "stn_id": "GAK5I",
    "water_depth": 166,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1935",
    "depth": 50.0,
    "PO4": 1.58,
    "SiOH4": 25.71,
    "NO3_NO2": 18.16,
    "NO2": 0.29,
    "NH4": 0.43,
    "NO3": 17.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8378, 59.1914] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 15,
    "stn_id": "GAK5I",
    "water_depth": 166,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1935",
    "depth": 75.0,
    "PO4": 1.54,
    "SiOH4": 25.39,
    "NO3_NO2": 18.26,
    "NO2": 0.32,
    "NH4": 0.37,
    "NO3": 17.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8378, 59.1914] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 15,
    "stn_id": "GAK5I",
    "water_depth": 166,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1935",
    "depth": 100.0,
    "PO4": 1.54,
    "SiOH4": 24.9,
    "NO3_NO2": 17.94,
    "NO2": 0.27,
    "NH4": 0.3,
    "NO3": 17.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8378, 59.1914] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 15,
    "stn_id": "GAK5I",
    "water_depth": 166,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1935",
    "depth": 165.0,
    "PO4": 1.79,
    "SiOH4": 29.96,
    "NO3_NO2": 21.86,
    "NO2": 0.13,
    "NH4": 0.21,
    "NO3": 21.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7715, 59.1182] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "GAK6",
    "water_depth": 152,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2026",
    "depth": 3.0,
    "PO4": 1.38,
    "SiOH4": 29.02,
    "NO3_NO2": 18.39,
    "NO2": 0.36,
    "NH4": 0.03,
    "NO3": 18.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7715, 59.1182] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "GAK6",
    "water_depth": 152,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2026",
    "depth": 10.0,
    "PO4": 1.41,
    "SiOH4": 29.12,
    "NO3_NO2": 18.49,
    "NO2": 0.31,
    "NH4": 0.03,
    "NO3": 18.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7715, 59.1182] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "GAK6",
    "water_depth": 152,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2026",
    "depth": 20.0,
    "PO4": 1.44,
    "SiOH4": 29.41,
    "NO3_NO2": 18.48,
    "NO2": 0.29,
    "NH4": 0.06,
    "NO3": 18.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7715, 59.1182] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "GAK6",
    "water_depth": 152,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2026",
    "depth": 30.0,
    "PO4": 1.45,
    "SiOH4": 29.51,
    "NO3_NO2": 18.42,
    "NO2": 0.3,
    "NH4": 0.06,
    "NO3": 18.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7715, 59.1182] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "GAK6",
    "water_depth": 152,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2026",
    "depth": 40.0,
    "PO4": 1.48,
    "SiOH4": 28.24,
    "NO3_NO2": 18.41,
    "NO2": 0.28,
    "NH4": 0.06,
    "NO3": 18.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7715, 59.1182] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "GAK6",
    "water_depth": 152,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2026",
    "depth": 47.0,
    "PO4": 1.47,
    "SiOH4": 28.07,
    "NO3_NO2": 18.51,
    "NO2": 0.29,
    "NH4": 0.09,
    "NO3": 18.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7715, 59.1182] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "GAK6",
    "water_depth": 152,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2026",
    "depth": 100.0,
    "PO4": 1.51,
    "SiOH4": 28.44,
    "NO3_NO2": 19.08,
    "NO2": 0.27,
    "NH4": 0.03,
    "NO3": 18.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7715, 59.1182] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "GAK6",
    "water_depth": 152,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2026",
    "depth": 145.0,
    "PO4": 1.68,
    "SiOH4": 33.47,
    "NO3_NO2": 22.0,
    "NO2": 0.22,
    "NH4": 0.06,
    "NO3": 21.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.63, 58.9727] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK7",
    "water_depth": 249,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2201",
    "depth": 2.0,
    "PO4": 1.35,
    "SiOH4": 31.11,
    "NO3_NO2": 18.38,
    "NO2": 0.26,
    "NH4": 0.03,
    "NO3": 18.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.63, 58.9727] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK7",
    "water_depth": 249,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2201",
    "depth": 10.0,
    "PO4": 1.39,
    "SiOH4": 31.03,
    "NO3_NO2": 18.48,
    "NO2": 0.24,
    "NH4": 0.03,
    "NO3": 18.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.63, 58.9727] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK7",
    "water_depth": 249,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2201",
    "depth": 20.0,
    "PO4": 1.43,
    "SiOH4": 30.94,
    "NO3_NO2": 18.57,
    "NO2": 0.27,
    "NH4": 0.06,
    "NO3": 18.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.63, 58.9727] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK7",
    "water_depth": 249,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2201",
    "depth": 30.0,
    "PO4": 1.45,
    "SiOH4": 30.77,
    "NO3_NO2": 18.51,
    "NO2": 0.28,
    "NH4": 0.06,
    "NO3": 18.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.63, 58.9727] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK7",
    "water_depth": 249,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2201",
    "depth": 40.0,
    "PO4": 1.43,
    "SiOH4": 30.14,
    "NO3_NO2": 18.08,
    "NO2": 0.36,
    "NH4": 0.24,
    "NO3": 17.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.63, 58.9727] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK7",
    "water_depth": 249,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2201",
    "depth": 50.0,
    "PO4": 1.43,
    "SiOH4": 30.15,
    "NO3_NO2": 18.08,
    "NO2": 0.37,
    "NH4": 0.15,
    "NO3": 17.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.63, 58.9727] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK7",
    "water_depth": 249,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2201",
    "depth": 75.0,
    "PO4": 1.43,
    "SiOH4": 31.17,
    "NO3_NO2": 18.7,
    "NO2": 0.4,
    "NH4": 0.12,
    "NO3": 18.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.63, 58.9727] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK7",
    "water_depth": 249,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2201",
    "depth": 100.0,
    "PO4": 1.43,
    "SiOH4": 30.35,
    "NO3_NO2": 18.53,
    "NO2": 0.17,
    "NH4": 0.18,
    "NO3": 18.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.63, 58.9727] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK7",
    "water_depth": 249,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2201",
    "depth": 242.0,
    "PO4": 2.16,
    "SiOH4": 53.17,
    "NO3_NO2": 30.34,
    "NO2": 0.1,
    "NH4": 0.15,
    "NO3": 30.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6516, 58.9791] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "GAK7",
    "water_depth": 244,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2252",
    "depth": 2.0,
    "PO4": 1.39,
    "SiOH4": 32.31,
    "NO3_NO2": 18.35,
    "NO2": 0.16,
    "NH4": 0.1,
    "NO3": 18.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6516, 58.9791] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "GAK7",
    "water_depth": 244,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2252",
    "depth": 8.0,
    "PO4": 1.41,
    "SiOH4": 32.52,
    "NO3_NO2": 18.25,
    "NO2": 0.17,
    "NH4": 0.17,
    "NO3": 18.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6516, 58.9791] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "GAK7",
    "water_depth": 244,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2252",
    "depth": 15.0,
    "PO4": 1.46,
    "SiOH4": 33.0,
    "NO3_NO2": 18.35,
    "NO2": 0.17,
    "NH4": 0.15,
    "NO3": 18.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6516, 58.9791] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "GAK7",
    "water_depth": 244,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2252",
    "depth": 25.0,
    "PO4": 1.45,
    "SiOH4": 32.74,
    "NO3_NO2": 18.45,
    "NO2": 0.15,
    "NH4": 0.01,
    "NO3": 18.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6516, 58.9791] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "GAK7",
    "water_depth": 244,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2252",
    "depth": 34.0,
    "PO4": 1.47,
    "SiOH4": 32.58,
    "NO3_NO2": 18.45,
    "NO2": 0.15,
    "NH4": 0.08,
    "NO3": 18.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6516, 58.9791] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "GAK7",
    "water_depth": 244,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2252",
    "depth": 54.0,
    "PO4": 1.48,
    "SiOH4": 32.06,
    "NO3_NO2": 18.34,
    "NO2": 0.15,
    "NH4": 0.03,
    "NO3": 18.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4899, 58.7919] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "GAK8",
    "water_depth": 294,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0043",
    "depth": 2.0,
    "PO4": 1.38,
    "SiOH4": 33.09,
    "NO3_NO2": 18.65,
    "NO2": 0.13,
    "NH4": 0.04,
    "NO3": 18.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4899, 58.7919] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "GAK8",
    "water_depth": 294,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0043",
    "depth": 11.0,
    "PO4": 1.46,
    "SiOH4": 32.93,
    "NO3_NO2": 18.7,
    "NO2": 0.13,
    "NH4": 0.02,
    "NO3": 18.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4899, 58.7919] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "GAK8",
    "water_depth": 294,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0043",
    "depth": 20.0,
    "PO4": 1.44,
    "SiOH4": 31.22,
    "NO3_NO2": 18.07,
    "NO2": 0.16,
    "NH4": 0.02,
    "NO3": 17.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4899, 58.7919] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "GAK8",
    "water_depth": 294,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0043",
    "depth": 30.0,
    "PO4": 1.42,
    "SiOH4": 30.69,
    "NO3_NO2": 18.27,
    "NO2": 0.14,
    "NH4": 0.0,
    "NO3": 18.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4899, 58.7919] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "GAK8",
    "water_depth": 294,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0043",
    "depth": 41.0,
    "PO4": 1.48,
    "SiOH4": 31.17,
    "NO3_NO2": 18.53,
    "NO2": 0.12,
    "NH4": 0.01,
    "NO3": 18.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4899, 58.7919] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "GAK8",
    "water_depth": 294,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0043",
    "depth": 51.0,
    "PO4": 1.5,
    "SiOH4": 31.65,
    "NO3_NO2": 19.0,
    "NO2": 0.09,
    "NH4": 0.02,
    "NO3": 18.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4899, 58.7919] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "GAK8",
    "water_depth": 294,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0043",
    "depth": 74.0,
    "PO4": 1.59,
    "SiOH4": 33.95,
    "NO3_NO2": 20.67,
    "NO2": 0.1,
    "NH4": 0.0,
    "NO3": 20.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4899, 58.7919] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "GAK8",
    "water_depth": 294,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0043",
    "depth": 100.0,
    "PO4": 1.63,
    "SiOH4": 34.16,
    "NO3_NO2": 20.82,
    "NO2": 0.07,
    "NH4": 0.04,
    "NO3": 20.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4899, 58.7919] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "GAK8",
    "water_depth": 294,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0043",
    "depth": 289.0,
    "PO4": 2.45,
    "SiOH4": 62.0,
    "NO3_NO2": 34.89,
    "NO2": 0.05,
    "NH4": 0.05,
    "NO3": 34.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4192, 58.7432] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK8I",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0146",
    "depth": 2.0,
    "PO4": 1.33,
    "SiOH4": 32.15,
    "NO3_NO2": 18.18,
    "NO2": 0.24,
    "NH4": 0.21,
    "NO3": 17.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4192, 58.7432] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK8I",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0146",
    "depth": 10.0,
    "PO4": 1.43,
    "SiOH4": 31.92,
    "NO3_NO2": 18.2,
    "NO2": 0.21,
    "NH4": 0.15,
    "NO3": 17.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4192, 58.7432] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK8I",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0146",
    "depth": 20.0,
    "PO4": 1.45,
    "SiOH4": 30.96,
    "NO3_NO2": 18.28,
    "NO2": 0.24,
    "NH4": 0.12,
    "NO3": 18.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4192, 58.7432] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK8I",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0146",
    "depth": 30.0,
    "PO4": 1.45,
    "SiOH4": 30.46,
    "NO3_NO2": 18.36,
    "NO2": 0.21,
    "NH4": 0.24,
    "NO3": 18.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4192, 58.7432] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK8I",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0146",
    "depth": 41.0,
    "PO4": 1.49,
    "SiOH4": 31.14,
    "NO3_NO2": 19.02,
    "NO2": 0.29,
    "NH4": 0.24,
    "NO3": 18.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4192, 58.7432] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK8I",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0146",
    "depth": 51.0,
    "PO4": 1.51,
    "SiOH4": 34.1,
    "NO3_NO2": 19.3,
    "NO2": 0.37,
    "NH4": 0.27,
    "NO3": 18.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4192, 58.7432] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK8I",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0146",
    "depth": 77.0,
    "PO4": 1.52,
    "SiOH4": 33.69,
    "NO3_NO2": 20.22,
    "NO2": 0.29,
    "NH4": 0.37,
    "NO3": 19.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4192, 58.7432] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK8I",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0146",
    "depth": 100.0,
    "PO4": 1.67,
    "SiOH4": 37.38,
    "NO3_NO2": 22.45,
    "NO2": 0.48,
    "NH4": 0.4,
    "NO3": 21.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4192, 58.7432] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK8I",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0146",
    "depth": 198.0,
    "PO4": 2.28,
    "SiOH4": 55.12,
    "NO3_NO2": 32.98,
    "NO2": 0.45,
    "NH4": 0.09,
    "NO3": 32.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4192, 58.7432] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK8I",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0146",
    "depth": 288.0,
    "PO4": 2.76,
    "SiOH4": 75.14,
    "NO3_NO2": 39.03,
    "NO2": 0.42,
    "NH4": 0.06,
    "NO3": 38.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3495, 58.6802] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "GAK9",
    "water_depth": 282,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0239",
    "depth": 2.0,
    "PO4": 1.4,
    "SiOH4": 32.34,
    "NO3_NO2": 17.86,
    "NO2": 0.13,
    "NH4": 0.12,
    "NO3": 17.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3495, 58.6802] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "GAK9",
    "water_depth": 282,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0239",
    "depth": 10.0,
    "PO4": 1.38,
    "SiOH4": 32.72,
    "NO3_NO2": 18.06,
    "NO2": 0.13,
    "NH4": 0.09,
    "NO3": 17.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3495, 58.6802] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "GAK9",
    "water_depth": 282,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0239",
    "depth": 19.0,
    "PO4": 1.39,
    "SiOH4": 32.58,
    "NO3_NO2": 18.03,
    "NO2": 0.16,
    "NH4": 0.03,
    "NO3": 17.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3495, 58.6802] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "GAK9",
    "water_depth": 282,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0239",
    "depth": 29.0,
    "PO4": 1.39,
    "SiOH4": 32.26,
    "NO3_NO2": 18.53,
    "NO2": 0.24,
    "NH4": 0.09,
    "NO3": 18.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3495, 58.6802] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "GAK9",
    "water_depth": 282,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0239",
    "depth": 41.0,
    "PO4": 1.43,
    "SiOH4": 31.39,
    "NO3_NO2": 18.45,
    "NO2": 0.19,
    "NH4": 0.15,
    "NO3": 18.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3495, 58.6802] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "GAK9",
    "water_depth": 282,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0239",
    "depth": 51.0,
    "PO4": 1.42,
    "SiOH4": 30.89,
    "NO3_NO2": 18.53,
    "NO2": 0.13,
    "NH4": 0.18,
    "NO3": 18.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3495, 58.6802] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "GAK9",
    "water_depth": 282,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0239",
    "depth": 74.0,
    "PO4": 1.51,
    "SiOH4": 32.85,
    "NO3_NO2": 20.49,
    "NO2": 0.11,
    "NH4": 0.18,
    "NO3": 20.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3495, 58.6802] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "GAK9",
    "water_depth": 282,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0239",
    "depth": 98.0,
    "PO4": 1.79,
    "SiOH4": 40.83,
    "NO3_NO2": 25.59,
    "NO2": 0.08,
    "NH4": 0.3,
    "NO3": 25.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3495, 58.6802] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "GAK9",
    "water_depth": 282,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0239",
    "depth": 200.0,
    "PO4": 2.47,
    "SiOH4": 62.67,
    "NO3_NO2": 35.71,
    "NO2": 0.08,
    "NH4": 0.3,
    "NO3": 35.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3495, 58.6802] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "GAK9",
    "water_depth": 282,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0239",
    "depth": 275.0,
    "PO4": 2.73,
    "SiOH4": 74.3,
    "NO3_NO2": 38.88,
    "NO2": 0.08,
    "NH4": 0.46,
    "NO3": 38.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7934, 58.0988] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 28,
    "stn_id": "GAK13",
    "water_depth": 2036,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1934",
    "depth": 2.0,
    "PO4": 1.32,
    "SiOH4": 25.81,
    "NO3_NO2": 18.46,
    "NO2": 0.26,
    "NH4": 0.15,
    "NO3": 18.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7934, 58.0988] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 28,
    "stn_id": "GAK13",
    "water_depth": 2036,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1934",
    "depth": 25.0,
    "PO4": 1.5,
    "SiOH4": 32.01,
    "NO3_NO2": 19.25,
    "NO2": 0.21,
    "NH4": 0.19,
    "NO3": 19.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7934, 58.0988] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 28,
    "stn_id": "GAK13",
    "water_depth": 2036,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1934",
    "depth": 52.0,
    "PO4": 1.67,
    "SiOH4": 36.39,
    "NO3_NO2": 21.65,
    "NO2": 0.19,
    "NH4": 0.0,
    "NO3": 21.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7934, 58.0988] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 28,
    "stn_id": "GAK13",
    "water_depth": 2036,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1934",
    "depth": 76.0,
    "PO4": 1.76,
    "SiOH4": 38.76,
    "NO3_NO2": 22.7,
    "NO2": 0.18,
    "NH4": 0.02,
    "NO3": 22.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7934, 58.0988] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 28,
    "stn_id": "GAK13",
    "water_depth": 2036,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1934",
    "depth": 104.0,
    "PO4": 2.28,
    "SiOH4": 54.91,
    "NO3_NO2": 31.85,
    "NO2": 0.08,
    "NH4": 0.13,
    "NO3": 31.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7934, 58.0988] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 28,
    "stn_id": "GAK13",
    "water_depth": 2036,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1934",
    "depth": 252.0,
    "PO4": 3.17,
    "SiOH4": null,
    "NO3_NO2": 43.83,
    "NO2": 0.06,
    "NH4": 0.18,
    "NO3": 43.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7934, 58.0988] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 28,
    "stn_id": "GAK13",
    "water_depth": 2036,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1934",
    "depth": 501.0,
    "PO4": 3.26,
    "SiOH4": null,
    "NO3_NO2": 49.82,
    "NO2": 0.11,
    "NH4": 0.12,
    "NO3": 49.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7934, 58.0988] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 28,
    "stn_id": "GAK13",
    "water_depth": 2036,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1934",
    "depth": 1001.0,
    "PO4": 3.26,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.16,
    "NH4": 0.24,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7934, 58.0988] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 28,
    "stn_id": "GAK13",
    "water_depth": 2036,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1934",
    "depth": 1333.0,
    "PO4": 3.28,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.21,
    "NH4": 0.37,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9335, 58.2427] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 29,
    "stn_id": "GAK12",
    "water_depth": 2114,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "0004",
    "depth": 2.0,
    "PO4": 1.36,
    "SiOH4": 24.91,
    "NO3_NO2": 18.85,
    "NO2": 0.16,
    "NH4": 0.13,
    "NO3": 18.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9335, 58.2427] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 29,
    "stn_id": "GAK12",
    "water_depth": 2114,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "0004",
    "depth": 25.0,
    "PO4": 1.53,
    "SiOH4": 26.94,
    "NO3_NO2": 20.47,
    "NO2": 0.17,
    "NH4": 0.16,
    "NO3": 20.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9335, 58.2427] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 29,
    "stn_id": "GAK12",
    "water_depth": 2114,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "0004",
    "depth": 51.0,
    "PO4": 1.64,
    "SiOH4": 29.75,
    "NO3_NO2": 21.97,
    "NO2": 0.23,
    "NH4": 0.03,
    "NO3": 21.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9335, 58.2427] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 29,
    "stn_id": "GAK12",
    "water_depth": 2114,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "0004",
    "depth": 74.0,
    "PO4": 1.92,
    "SiOH4": 35.58,
    "NO3_NO2": 26.39,
    "NO2": 0.13,
    "NH4": 0.05,
    "NO3": 26.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9335, 58.2427] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 29,
    "stn_id": "GAK12",
    "water_depth": 2114,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "0004",
    "depth": 101.0,
    "PO4": 2.35,
    "SiOH4": 45.29,
    "NO3_NO2": 33.49,
    "NO2": 0.11,
    "NH4": 0.13,
    "NO3": 33.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9335, 58.2427] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 29,
    "stn_id": "GAK12",
    "water_depth": 2114,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "0004",
    "depth": 252.0,
    "PO4": 3.08,
    "SiOH4": null,
    "NO3_NO2": 44.7,
    "NO2": 0.09,
    "NH4": 0.37,
    "NO3": 44.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9335, 58.2427] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 29,
    "stn_id": "GAK12",
    "water_depth": 2114,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "0004",
    "depth": 502.0,
    "PO4": 3.37,
    "SiOH4": null,
    "NO3_NO2": 47.33,
    "NO2": 0.1,
    "NH4": 0.32,
    "NO3": 47.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9335, 58.2427] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 29,
    "stn_id": "GAK12",
    "water_depth": 2114,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "0004",
    "depth": 1000.0,
    "PO4": 3.47,
    "SiOH4": null,
    "NO3_NO2": 48.88,
    "NO2": 0.11,
    "NH4": 0.13,
    "NO3": 48.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9335, 58.2427] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 29,
    "stn_id": "GAK12",
    "water_depth": 2114,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "0004",
    "depth": 1499.0,
    "PO4": 3.38,
    "SiOH4": null,
    "NO3_NO2": 48.18,
    "NO2": 0.15,
    "NH4": 0.19,
    "NO3": 48.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0739, 58.3883] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "GAK11",
    "water_depth": 1446,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "0218",
    "depth": 3.0,
    "PO4": 1.47,
    "SiOH4": 25.18,
    "NO3_NO2": 19.74,
    "NO2": 0.26,
    "NH4": 0.24,
    "NO3": 19.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0739, 58.3883] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "GAK11",
    "water_depth": 1446,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "0218",
    "depth": 25.0,
    "PO4": 1.57,
    "SiOH4": 26.44,
    "NO3_NO2": 20.5,
    "NO2": 0.16,
    "NH4": 0.19,
    "NO3": 20.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0739, 58.3883] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "GAK11",
    "water_depth": 1446,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "0218",
    "depth": 49.0,
    "PO4": 1.69,
    "SiOH4": 28.98,
    "NO3_NO2": 21.81,
    "NO2": 0.16,
    "NH4": 0.19,
    "NO3": 21.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0739, 58.3883] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "GAK11",
    "water_depth": 1446,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "0218",
    "depth": 75.0,
    "PO4": 1.71,
    "SiOH4": 29.31,
    "NO3_NO2": 22.08,
    "NO2": 0.19,
    "NH4": 0.21,
    "NO3": 21.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0739, 58.3883] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "GAK11",
    "water_depth": 1446,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "0218",
    "depth": 100.0,
    "PO4": 1.89,
    "SiOH4": 32.86,
    "NO3_NO2": 24.9,
    "NO2": 0.34,
    "NH4": 0.24,
    "NO3": 24.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0739, 58.3883] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "GAK11",
    "water_depth": 1446,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "0218",
    "depth": 148.0,
    "PO4": 2.45,
    "SiOH4": 45.74,
    "NO3_NO2": 34.93,
    "NO2": 0.03,
    "NH4": 0.32,
    "NO3": 34.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0739, 58.3883] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "GAK11",
    "water_depth": 1446,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "0218",
    "depth": 251.0,
    "PO4": 2.96,
    "SiOH4": 66.0,
    "NO3_NO2": 41.89,
    "NO2": 0.03,
    "NH4": 0.21,
    "NO3": 41.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0739, 58.3883] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "GAK11",
    "water_depth": 1446,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "0218",
    "depth": 501.0,
    "PO4": 3.35,
    "SiOH4": null,
    "NO3_NO2": 46.15,
    "NO2": 0.03,
    "NH4": 0.27,
    "NO3": 46.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0739, 58.3883] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "GAK11",
    "water_depth": 1446,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "0218",
    "depth": 1000.0,
    "PO4": 3.45,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.08,
    "NH4": 0.03,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0739, 58.3883] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "GAK11",
    "water_depth": 1446,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "0218",
    "depth": 1411.0,
    "PO4": 3.57,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.16,
    "NH4": 0.05,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2117, 58.5417] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "GAK10",
    "water_depth": 1482,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "0450",
    "depth": 2.0,
    "PO4": 1.23,
    "SiOH4": 24.42,
    "NO3_NO2": 17.87,
    "NO2": 0.21,
    "NH4": 0.69,
    "NO3": 17.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2117, 58.5417] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "GAK10",
    "water_depth": 1482,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "0450",
    "depth": 25.0,
    "PO4": 1.36,
    "SiOH4": 23.01,
    "NO3_NO2": 18.44,
    "NO2": 0.2,
    "NH4": 0.05,
    "NO3": 18.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2117, 58.5417] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "GAK10",
    "water_depth": 1482,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "0450",
    "depth": 50.0,
    "PO4": 1.41,
    "SiOH4": 23.04,
    "NO3_NO2": 18.64,
    "NO2": 0.2,
    "NH4": 0.13,
    "NO3": 18.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2117, 58.5417] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "GAK10",
    "water_depth": 1482,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "0450",
    "depth": 77.0,
    "PO4": 1.49,
    "SiOH4": 24.15,
    "NO3_NO2": 19.7,
    "NO2": 0.17,
    "NH4": 0.21,
    "NO3": 19.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2117, 58.5417] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "GAK10",
    "water_depth": 1482,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "0450",
    "depth": 104.0,
    "PO4": 1.63,
    "SiOH4": 27.26,
    "NO3_NO2": 22.26,
    "NO2": 0.11,
    "NH4": 0.03,
    "NO3": 22.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2117, 58.5417] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "GAK10",
    "water_depth": 1482,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "0450",
    "depth": 151.0,
    "PO4": 2.23,
    "SiOH4": 39.85,
    "NO3_NO2": 32.32,
    "NO2": 0.08,
    "NH4": 0.03,
    "NO3": 32.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2117, 58.5417] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "GAK10",
    "water_depth": 1482,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "0450",
    "depth": 250.0,
    "PO4": 2.74,
    "SiOH4": 57.73,
    "NO3_NO2": 40.44,
    "NO2": 0.08,
    "NH4": 0.03,
    "NO3": 40.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2117, 58.5417] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "GAK10",
    "water_depth": 1482,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "0450",
    "depth": 500.0,
    "PO4": 3.22,
    "SiOH4": null,
    "NO3_NO2": 46.45,
    "NO2": 0.08,
    "NH4": 0.03,
    "NO3": 46.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2117, 58.5417] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "GAK10",
    "water_depth": 1482,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "0450",
    "depth": 1000.0,
    "PO4": 3.44,
    "SiOH4": null,
    "NO3_NO2": 47.94,
    "NO2": 0.1,
    "NH4": 0.03,
    "NO3": 47.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2117, 58.5417] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "GAK10",
    "water_depth": 1482,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "0450",
    "depth": 1466.0,
    "PO4": 3.37,
    "SiOH4": null,
    "NO3_NO2": 47.38,
    "NO2": 0.07,
    "NH4": 0.03,
    "NO3": 47.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2797, 58.6123] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 33,
    "stn_id": "GAK9I",
    "water_depth": 670,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1336",
    "depth": 3.0,
    "PO4": 1.33,
    "SiOH4": 26.09,
    "NO3_NO2": 17.0,
    "NO2": 0.23,
    "NH4": 0.03,
    "NO3": 16.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2797, 58.6123] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 33,
    "stn_id": "GAK9I",
    "water_depth": 670,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1336",
    "depth": 25.0,
    "PO4": 1.42,
    "SiOH4": 27.35,
    "NO3_NO2": 18.08,
    "NO2": 0.2,
    "NH4": 0.06,
    "NO3": 17.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2797, 58.6123] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 33,
    "stn_id": "GAK9I",
    "water_depth": 670,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1336",
    "depth": 51.0,
    "PO4": 1.52,
    "SiOH4": 28.1,
    "NO3_NO2": 18.43,
    "NO2": 0.26,
    "NH4": 0.03,
    "NO3": 18.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2797, 58.6123] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 33,
    "stn_id": "GAK9I",
    "water_depth": 670,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1336",
    "depth": 75.0,
    "PO4": 1.66,
    "SiOH4": 32.56,
    "NO3_NO2": 21.59,
    "NO2": 0.11,
    "NH4": 0.03,
    "NO3": 21.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2797, 58.6123] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 33,
    "stn_id": "GAK9I",
    "water_depth": 670,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1336",
    "depth": 98.0,
    "PO4": 1.89,
    "SiOH4": 37.21,
    "NO3_NO2": 24.28,
    "NO2": 0.11,
    "NH4": 0.03,
    "NO3": 24.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2797, 58.6123] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 33,
    "stn_id": "GAK9I",
    "water_depth": 670,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1336",
    "depth": 150.0,
    "PO4": 2.39,
    "SiOH4": 50.69,
    "NO3_NO2": 32.54,
    "NO2": 0.11,
    "NH4": 0.08,
    "NO3": 32.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2797, 58.6123] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 33,
    "stn_id": "GAK9I",
    "water_depth": 670,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1336",
    "depth": 250.0,
    "PO4": 2.77,
    "SiOH4": 69.07,
    "NO3_NO2": 37.26,
    "NO2": 0.06,
    "NH4": 0.61,
    "NO3": 37.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2797, 58.6123] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 33,
    "stn_id": "GAK9I",
    "water_depth": 670,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1336",
    "depth": 501.0,
    "PO4": 3.11,
    "SiOH4": 88.45,
    "NO3_NO2": 40.94,
    "NO2": 0.06,
    "NH4": 0.11,
    "NO3": 40.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2797, 58.6123] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 33,
    "stn_id": "GAK9I",
    "water_depth": 670,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1336",
    "depth": 643.0,
    "PO4": 3.32,
    "SiOH4": null,
    "NO3_NO2": 43.48,
    "NO2": 0.06,
    "NH4": 0.25,
    "NO3": 43.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0806, 59.2334] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "XHCL6",
    "water_depth": 226,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0106",
    "depth": 3.0,
    "PO4": 1.41,
    "SiOH4": 31.35,
    "NO3_NO2": 17.56,
    "NO2": 0.17,
    "NH4": 0.06,
    "NO3": 17.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0806, 59.2334] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "XHCL6",
    "water_depth": 226,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0106",
    "depth": 11.0,
    "PO4": 1.51,
    "SiOH4": 31.4,
    "NO3_NO2": 17.54,
    "NO2": 0.2,
    "NH4": 0.08,
    "NO3": 17.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0806, 59.2334] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "XHCL6",
    "water_depth": 226,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0106",
    "depth": 21.0,
    "PO4": 1.51,
    "SiOH4": 31.25,
    "NO3_NO2": 17.63,
    "NO2": 0.09,
    "NH4": 0.25,
    "NO3": 17.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0806, 59.2334] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "XHCL6",
    "water_depth": 226,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0106",
    "depth": 31.0,
    "PO4": 1.52,
    "SiOH4": 31.1,
    "NO3_NO2": 17.67,
    "NO2": 0.09,
    "NH4": 0.22,
    "NO3": 17.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0806, 59.2334] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "XHCL6",
    "water_depth": 226,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0106",
    "depth": 40.0,
    "PO4": 1.5,
    "SiOH4": 30.65,
    "NO3_NO2": 17.66,
    "NO2": 0.09,
    "NH4": 0.22,
    "NO3": 17.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0806, 59.2334] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "XHCL6",
    "water_depth": 226,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0106",
    "depth": 52.0,
    "PO4": 1.5,
    "SiOH4": 30.3,
    "NO3_NO2": 17.6,
    "NO2": 0.09,
    "NH4": 0.31,
    "NO3": 17.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0806, 59.2334] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "XHCL6",
    "water_depth": 226,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0106",
    "depth": 75.0,
    "PO4": 1.44,
    "SiOH4": 28.45,
    "NO3_NO2": 16.75,
    "NO2": 0.17,
    "NH4": 0.39,
    "NO3": 16.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0806, 59.2334] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "XHCL6",
    "water_depth": 226,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0106",
    "depth": 101.0,
    "PO4": 1.44,
    "SiOH4": 28.9,
    "NO3_NO2": 17.15,
    "NO2": 0.17,
    "NH4": 0.14,
    "NO3": 16.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0806, 59.2334] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "XHCL6",
    "water_depth": 226,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0106",
    "depth": 150.0,
    "PO4": 1.42,
    "SiOH4": 28.45,
    "NO3_NO2": 17.04,
    "NO2": 0.17,
    "NH4": 0.11,
    "NO3": 16.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0806, 59.2334] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "XHCL6",
    "water_depth": 226,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0106",
    "depth": 212.0,
    "PO4": 1.95,
    "SiOH4": 43.32,
    "NO3_NO2": 25.5,
    "NO2": 0.09,
    "NH4": 0.03,
    "NO3": 25.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0783, 59.2999] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 35,
    "stn_id": "AHC9",
    "water_depth": 200,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0203",
    "depth": 3.0,
    "PO4": 1.37,
    "SiOH4": 35.87,
    "NO3_NO2": 19.02,
    "NO2": 0.05,
    "NH4": 0.11,
    "NO3": 18.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0783, 59.2999] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 35,
    "stn_id": "AHC9",
    "water_depth": 200,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0203",
    "depth": 11.0,
    "PO4": 1.48,
    "SiOH4": 35.28,
    "NO3_NO2": 19.16,
    "NO2": 0.05,
    "NH4": 0.08,
    "NO3": 19.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0783, 59.2999] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 35,
    "stn_id": "AHC9",
    "water_depth": 200,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0203",
    "depth": 20.0,
    "PO4": 1.53,
    "SiOH4": 34.98,
    "NO3_NO2": 19.14,
    "NO2": 0.05,
    "NH4": 0.11,
    "NO3": 19.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0783, 59.2999] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 35,
    "stn_id": "AHC9",
    "water_depth": 200,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0203",
    "depth": 32.0,
    "PO4": 1.54,
    "SiOH4": 34.89,
    "NO3_NO2": 19.18,
    "NO2": 0.05,
    "NH4": 0.13,
    "NO3": 19.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0783, 59.2999] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 35,
    "stn_id": "AHC9",
    "water_depth": 200,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0203",
    "depth": 40.0,
    "PO4": 1.55,
    "SiOH4": 36.2,
    "NO3_NO2": 19.11,
    "NO2": 0.05,
    "NH4": 0.3,
    "NO3": 19.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0783, 59.2999] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 35,
    "stn_id": "AHC9",
    "water_depth": 200,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0203",
    "depth": 50.0,
    "PO4": 1.53,
    "SiOH4": 36.21,
    "NO3_NO2": 19.14,
    "NO2": 0.04,
    "NH4": 0.02,
    "NO3": 19.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0783, 59.2999] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 35,
    "stn_id": "AHC9",
    "water_depth": 200,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0203",
    "depth": 74.0,
    "PO4": 1.49,
    "SiOH4": 34.52,
    "NO3_NO2": 18.61,
    "NO2": 0.07,
    "NH4": 0.02,
    "NO3": 18.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0783, 59.2999] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 35,
    "stn_id": "AHC9",
    "water_depth": 200,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0203",
    "depth": 99.0,
    "PO4": 1.54,
    "SiOH4": 33.03,
    "NO3_NO2": 18.31,
    "NO2": 0.12,
    "NH4": 0.11,
    "NO3": 18.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0783, 59.2999] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 35,
    "stn_id": "AHC9",
    "water_depth": 200,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0203",
    "depth": 149.0,
    "PO4": 1.57,
    "SiOH4": 32.74,
    "NO3_NO2": 18.76,
    "NO2": 0.12,
    "NH4": 0.14,
    "NO3": 18.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0783, 59.2999] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 35,
    "stn_id": "AHC9",
    "water_depth": 200,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0203",
    "depth": 194.0,
    "PO4": 1.78,
    "SiOH4": 38.16,
    "NO3_NO2": 22.54,
    "NO2": 0.12,
    "NH4": 0.11,
    "NO3": 22.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0761, 59.3998] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "AHC8",
    "water_depth": 206,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0312",
    "depth": 2.0,
    "PO4": 1.51,
    "SiOH4": 36.45,
    "NO3_NO2": 19.47,
    "NO2": 0.06,
    "NH4": 0.04,
    "NO3": 19.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0761, 59.3998] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "AHC8",
    "water_depth": 206,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0312",
    "depth": 11.0,
    "PO4": 1.55,
    "SiOH4": 36.46,
    "NO3_NO2": 19.4,
    "NO2": 0.09,
    "NH4": 0.07,
    "NO3": 19.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0761, 59.3998] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "AHC8",
    "water_depth": 206,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0312",
    "depth": 21.0,
    "PO4": 1.56,
    "SiOH4": 36.37,
    "NO3_NO2": 19.44,
    "NO2": 0.08,
    "NH4": 0.04,
    "NO3": 19.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0761, 59.3998] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "AHC8",
    "water_depth": 206,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0312",
    "depth": 31.0,
    "PO4": 1.6,
    "SiOH4": 36.18,
    "NO3_NO2": 19.26,
    "NO2": 0.08,
    "NH4": 0.04,
    "NO3": 19.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0761, 59.3998] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "AHC8",
    "water_depth": 206,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0312",
    "depth": 41.0,
    "PO4": 1.54,
    "SiOH4": 34.38,
    "NO3_NO2": 18.57,
    "NO2": 0.08,
    "NH4": 0.12,
    "NO3": 18.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0761, 59.3998] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "AHC8",
    "water_depth": 206,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0312",
    "depth": 50.0,
    "PO4": 1.53,
    "SiOH4": 33.09,
    "NO3_NO2": 17.98,
    "NO2": 0.08,
    "NH4": 0.2,
    "NO3": 17.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0761, 59.3998] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "AHC8",
    "water_depth": 206,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0312",
    "depth": 75.0,
    "PO4": 1.51,
    "SiOH4": 32.7,
    "NO3_NO2": 17.91,
    "NO2": 0.1,
    "NH4": 0.31,
    "NO3": 17.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0761, 59.3998] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "AHC8",
    "water_depth": 206,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0312",
    "depth": 98.0,
    "PO4": 1.51,
    "SiOH4": 32.61,
    "NO3_NO2": 18.15,
    "NO2": 0.07,
    "NH4": 0.09,
    "NO3": 18.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0761, 59.3998] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "AHC8",
    "water_depth": 206,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0312",
    "depth": 150.0,
    "PO4": 1.62,
    "SiOH4": 35.72,
    "NO3_NO2": 19.91,
    "NO2": 0.1,
    "NH4": 0.01,
    "NO3": 19.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0761, 59.3998] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "AHC8",
    "water_depth": 206,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0312",
    "depth": 201.0,
    "PO4": 2.14,
    "SiOH4": 50.55,
    "NO3_NO2": 27.48,
    "NO2": 0.12,
    "NH4": 0.23,
    "NO3": 27.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0756, 59.4998] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "AHC7",
    "water_depth": 223,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0417",
    "depth": 4.0,
    "PO4": 1.41,
    "SiOH4": 33.46,
    "NO3_NO2": 18.05,
    "NO2": 0.09,
    "NH4": 0.03,
    "NO3": 17.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0756, 59.4998] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "AHC7",
    "water_depth": 223,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0417",
    "depth": 10.0,
    "PO4": 1.44,
    "SiOH4": 33.51,
    "NO3_NO2": 17.95,
    "NO2": 0.09,
    "NH4": 0.02,
    "NO3": 17.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0756, 59.4998] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "AHC7",
    "water_depth": 223,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0417",
    "depth": 21.0,
    "PO4": 1.48,
    "SiOH4": 32.25,
    "NO3_NO2": 17.22,
    "NO2": 0.11,
    "NH4": 0.68,
    "NO3": 17.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0756, 59.4998] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "AHC7",
    "water_depth": 223,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0417",
    "depth": 28.0,
    "PO4": 1.5,
    "SiOH4": 32.51,
    "NO3_NO2": 17.17,
    "NO2": 0.09,
    "NH4": 0.58,
    "NO3": 17.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0756, 59.4998] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "AHC7",
    "water_depth": 223,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0417",
    "depth": 39.0,
    "PO4": 1.51,
    "SiOH4": 32.46,
    "NO3_NO2": 17.74,
    "NO2": 0.11,
    "NH4": 0.68,
    "NO3": 17.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0756, 59.4998] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "AHC7",
    "water_depth": 223,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0417",
    "depth": 51.0,
    "PO4": 1.43,
    "SiOH4": 31.0,
    "NO3_NO2": 17.22,
    "NO2": 0.14,
    "NH4": 0.75,
    "NO3": 17.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0756, 59.4998] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "AHC7",
    "water_depth": 223,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0417",
    "depth": 77.0,
    "PO4": 1.47,
    "SiOH4": 33.12,
    "NO3_NO2": 17.58,
    "NO2": 0.14,
    "NH4": 0.27,
    "NO3": 17.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0756, 59.4998] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "AHC7",
    "water_depth": 223,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0417",
    "depth": 100.0,
    "PO4": 1.51,
    "SiOH4": 32.93,
    "NO3_NO2": 17.76,
    "NO2": 0.09,
    "NH4": 0.31,
    "NO3": 17.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0756, 59.4998] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "AHC7",
    "water_depth": 223,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0417",
    "depth": 153.0,
    "PO4": 1.52,
    "SiOH4": 31.53,
    "NO3_NO2": 17.9,
    "NO2": 0.09,
    "NH4": 0.22,
    "NO3": 17.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0756, 59.4998] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "AHC7",
    "water_depth": 223,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0417",
    "depth": 218.0,
    "PO4": 2.1,
    "SiOH4": 47.97,
    "NO3_NO2": 26.15,
    "NO2": 0.12,
    "NH4": 0.17,
    "NO3": 26.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8293, 59.9201] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0855",
    "depth": 2.0,
    "PO4": 1.23,
    "SiOH4": 33.06,
    "NO3_NO2": 17.04,
    "NO2": 0.14,
    "NH4": 0.17,
    "NO3": 16.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8293, 59.9201] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0855",
    "depth": 11.0,
    "PO4": 1.37,
    "SiOH4": 33.07,
    "NO3_NO2": 17.23,
    "NO2": 0.11,
    "NH4": 0.17,
    "NO3": 17.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8293, 59.9201] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0855",
    "depth": 22.0,
    "PO4": 1.4,
    "SiOH4": 32.98,
    "NO3_NO2": 17.42,
    "NO2": 0.11,
    "NH4": 0.11,
    "NO3": 17.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8293, 59.9201] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0855",
    "depth": 31.0,
    "PO4": 1.41,
    "SiOH4": 33.29,
    "NO3_NO2": 17.87,
    "NO2": 0.11,
    "NH4": 0.22,
    "NO3": 17.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8293, 59.9201] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0855",
    "depth": 41.0,
    "PO4": 1.43,
    "SiOH4": 33.29,
    "NO3_NO2": 17.13,
    "NO2": 0.13,
    "NH4": 0.19,
    "NO3": 16.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8293, 59.9201] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0855",
    "depth": 51.0,
    "PO4": 1.44,
    "SiOH4": 33.9,
    "NO3_NO2": 17.11,
    "NO2": 0.13,
    "NH4": 0.08,
    "NO3": 16.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8293, 59.9201] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0855",
    "depth": 75.0,
    "PO4": 1.48,
    "SiOH4": 33.81,
    "NO3_NO2": 17.4,
    "NO2": 0.13,
    "NH4": 0.08,
    "NO3": 17.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8293, 59.9201] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0855",
    "depth": 102.0,
    "PO4": 1.44,
    "SiOH4": 33.35,
    "NO3_NO2": 23.12,
    "NO2": 0.17,
    "NH4": 0.22,
    "NO3": 22.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8594, 59.9311] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "MS3",
    "water_depth": 170,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0924",
    "depth": 3.0,
    "PO4": 1.24,
    "SiOH4": 32.63,
    "NO3_NO2": 16.69,
    "NO2": 0.08,
    "NH4": 0.13,
    "NO3": 16.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8594, 59.9311] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "MS3",
    "water_depth": 170,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0924",
    "depth": 10.0,
    "PO4": 1.34,
    "SiOH4": 32.51,
    "NO3_NO2": 16.83,
    "NO2": 0.03,
    "NH4": 0.0,
    "NO3": 16.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8594, 59.9311] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "MS3",
    "water_depth": 170,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0924",
    "depth": 21.0,
    "PO4": 1.36,
    "SiOH4": 32.58,
    "NO3_NO2": 17.03,
    "NO2": 0.02,
    "NH4": 0.02,
    "NO3": 17.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8594, 59.9311] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "MS3",
    "water_depth": 170,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0924",
    "depth": 31.0,
    "PO4": 1.4,
    "SiOH4": 32.86,
    "NO3_NO2": 17.53,
    "NO2": 0.05,
    "NH4": 0.15,
    "NO3": 17.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8594, 59.9311] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "MS3",
    "water_depth": 170,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0924",
    "depth": 41.0,
    "PO4": 1.42,
    "SiOH4": 33.14,
    "NO3_NO2": 17.57,
    "NO2": 0.05,
    "NH4": 0.02,
    "NO3": 17.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8594, 59.9311] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "MS3",
    "water_depth": 170,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0924",
    "depth": 51.0,
    "PO4": 1.47,
    "SiOH4": 33.21,
    "NO3_NO2": 17.82,
    "NO2": 0.02,
    "NH4": 0.04,
    "NO3": 17.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8594, 59.9311] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "MS3",
    "water_depth": 170,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0924",
    "depth": 75.0,
    "PO4": 1.47,
    "SiOH4": 33.59,
    "NO3_NO2": 18.38,
    "NO2": 0.02,
    "NH4": 0.06,
    "NO3": 18.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8594, 59.9311] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "MS3",
    "water_depth": 170,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0924",
    "depth": 99.0,
    "PO4": 1.48,
    "SiOH4": 33.57,
    "NO3_NO2": 18.78,
    "NO2": 0.05,
    "NH4": 0.04,
    "NO3": 18.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8594, 59.9311] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "MS3",
    "water_depth": 170,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0924",
    "depth": 125.0,
    "PO4": 1.56,
    "SiOH4": 35.75,
    "NO3_NO2": 19.34,
    "NO2": 0.02,
    "NH4": 0.0,
    "NO3": 19.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8594, 59.9311] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "MS3",
    "water_depth": 170,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0924",
    "depth": 162.0,
    "PO4": 1.66,
    "SiOH4": 38.93,
    "NO3_NO2": 20.63,
    "NO2": 0.01,
    "NH4": 0.08,
    "NO3": 20.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8976, 59.943] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "MS2",
    "water_depth": 195,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0954",
    "depth": 5.0,
    "PO4": 1.23,
    "SiOH4": 29.89,
    "NO3_NO2": 15.78,
    "NO2": 0.07,
    "NH4": 0.01,
    "NO3": 15.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8976, 59.943] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "MS2",
    "water_depth": 195,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0954",
    "depth": 12.0,
    "PO4": 1.26,
    "SiOH4": 29.86,
    "NO3_NO2": 15.77,
    "NO2": 0.04,
    "NH4": 0.0,
    "NO3": 15.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8976, 59.943] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "MS2",
    "water_depth": 195,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0954",
    "depth": 21.0,
    "PO4": 1.26,
    "SiOH4": 29.54,
    "NO3_NO2": 15.76,
    "NO2": 0.07,
    "NH4": 0.04,
    "NO3": 15.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8976, 59.943] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "MS2",
    "water_depth": 195,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0954",
    "depth": 31.0,
    "PO4": 1.29,
    "SiOH4": 29.22,
    "NO3_NO2": 16.16,
    "NO2": 0.04,
    "NH4": 0.03,
    "NO3": 16.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8976, 59.943] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "MS2",
    "water_depth": 195,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0954",
    "depth": 41.0,
    "PO4": 1.34,
    "SiOH4": 29.59,
    "NO3_NO2": 16.36,
    "NO2": 0.09,
    "NH4": 0.02,
    "NO3": 16.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8976, 59.943] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "MS2",
    "water_depth": 195,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0954",
    "depth": 53.0,
    "PO4": 1.38,
    "SiOH4": 30.07,
    "NO3_NO2": 17.02,
    "NO2": 0.06,
    "NH4": 0.0,
    "NO3": 16.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8976, 59.943] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "MS2",
    "water_depth": 195,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0954",
    "depth": 78.0,
    "PO4": 1.38,
    "SiOH4": 30.55,
    "NO3_NO2": 18.2,
    "NO2": 0.09,
    "NH4": 0.02,
    "NO3": 18.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8976, 59.943] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "MS2",
    "water_depth": 195,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0954",
    "depth": 100.0,
    "PO4": 1.42,
    "SiOH4": 31.12,
    "NO3_NO2": 17.62,
    "NO2": 0.09,
    "NH4": 0.04,
    "NO3": 17.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8976, 59.943] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "MS2",
    "water_depth": 195,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0954",
    "depth": 125.0,
    "PO4": 1.47,
    "SiOH4": 32.5,
    "NO3_NO2": 17.87,
    "NO2": 0.06,
    "NH4": 0.11,
    "NO3": 17.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8976, 59.943] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "MS2",
    "water_depth": 195,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "0954",
    "depth": 186.0,
    "PO4": 1.68,
    "SiOH4": 37.09,
    "NO3_NO2": 20.46,
    "NO2": 0.09,
    "NH4": 0.07,
    "NO3": 20.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9293, 59.9538] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 41,
    "stn_id": "MS1",
    "water_depth": 172,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1027",
    "depth": 3.0,
    "PO4": 1.15,
    "SiOH4": 24.84,
    "NO3_NO2": 18.23,
    "NO2": 0.07,
    "NH4": 0.51,
    "NO3": 18.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9293, 59.9538] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 41,
    "stn_id": "MS1",
    "water_depth": 172,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1027",
    "depth": 10.0,
    "PO4": 1.25,
    "SiOH4": 24.74,
    "NO3_NO2": 16.85,
    "NO2": 0.09,
    "NH4": 0.13,
    "NO3": 16.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9293, 59.9538] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 41,
    "stn_id": "MS1",
    "water_depth": 172,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1027",
    "depth": 21.0,
    "PO4": 1.28,
    "SiOH4": 24.73,
    "NO3_NO2": 17.15,
    "NO2": 0.07,
    "NH4": 0.14,
    "NO3": 17.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9293, 59.9538] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 41,
    "stn_id": "MS1",
    "water_depth": 172,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1027",
    "depth": 30.0,
    "PO4": 1.34,
    "SiOH4": 25.12,
    "NO3_NO2": 17.63,
    "NO2": 0.06,
    "NH4": 0.18,
    "NO3": 17.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9293, 59.9538] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 41,
    "stn_id": "MS1",
    "water_depth": 172,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1027",
    "depth": 41.0,
    "PO4": 1.32,
    "SiOH4": 25.27,
    "NO3_NO2": 17.69,
    "NO2": 0.02,
    "NH4": 0.08,
    "NO3": 17.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9293, 59.9538] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 41,
    "stn_id": "MS1",
    "water_depth": 172,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1027",
    "depth": 53.0,
    "PO4": 1.36,
    "SiOH4": 25.34,
    "NO3_NO2": 17.81,
    "NO2": 0.12,
    "NH4": 0.02,
    "NO3": 17.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9293, 59.9538] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 41,
    "stn_id": "MS1",
    "water_depth": 172,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1027",
    "depth": 76.0,
    "PO4": 1.36,
    "SiOH4": 25.41,
    "NO3_NO2": 18.54,
    "NO2": 0.14,
    "NH4": 0.06,
    "NO3": 18.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9293, 59.9538] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 41,
    "stn_id": "MS1",
    "water_depth": 172,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1027",
    "depth": 100.0,
    "PO4": 1.35,
    "SiOH4": 25.23,
    "NO3_NO2": 18.9,
    "NO2": 0.12,
    "NH4": 0.0,
    "NO3": 18.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9293, 59.9538] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 41,
    "stn_id": "MS1",
    "water_depth": 172,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1027",
    "depth": 125.0,
    "PO4": 1.49,
    "SiOH4": 26.86,
    "NO3_NO2": 21.18,
    "NO2": 0.09,
    "NH4": 0.14,
    "NO3": 21.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9293, 59.9538] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 41,
    "stn_id": "MS1",
    "water_depth": 172,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1027",
    "depth": 159.0,
    "PO4": 1.66,
    "SiOH4": 28.75,
    "NO3_NO2": 21.66,
    "NO2": 0.1,
    "NH4": 0.13,
    "NO3": 21.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9894, 60.2765] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "KIP2",
    "water_depth": 572,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1651",
    "depth": 3.0,
    "PO4": 1.1,
    "SiOH4": 22.7,
    "NO3_NO2": 16.13,
    "NO2": 0.17,
    "NH4": 0.17,
    "NO3": 15.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9894, 60.2765] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "KIP2",
    "water_depth": 572,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1651",
    "depth": 11.0,
    "PO4": 1.2,
    "SiOH4": 22.85,
    "NO3_NO2": 16.79,
    "NO2": 0.19,
    "NH4": 0.16,
    "NO3": 16.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9894, 60.2765] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "KIP2",
    "water_depth": 572,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1651",
    "depth": 21.0,
    "PO4": 1.2,
    "SiOH4": 22.92,
    "NO3_NO2": 17.99,
    "NO2": 0.18,
    "NH4": 0.17,
    "NO3": 17.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9894, 60.2765] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "KIP2",
    "water_depth": 572,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1651",
    "depth": 31.0,
    "PO4": 1.24,
    "SiOH4": 23.65,
    "NO3_NO2": 17.15,
    "NO2": 0.16,
    "NH4": 0.16,
    "NO3": 16.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9894, 60.2765] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "KIP2",
    "water_depth": 572,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1651",
    "depth": 41.0,
    "PO4": 1.25,
    "SiOH4": 24.79,
    "NO3_NO2": 17.75,
    "NO2": 0.15,
    "NH4": 0.15,
    "NO3": 17.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9894, 60.2765] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "KIP2",
    "water_depth": 572,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1651",
    "depth": 50.0,
    "PO4": 1.3,
    "SiOH4": 25.27,
    "NO3_NO2": 18.35,
    "NO2": 0.11,
    "NH4": 0.12,
    "NO3": 18.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9894, 60.2765] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "KIP2",
    "water_depth": 572,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1651",
    "depth": 75.0,
    "PO4": 1.37,
    "SiOH4": 25.25,
    "NO3_NO2": 20.46,
    "NO2": 0.1,
    "NH4": 0.09,
    "NO3": 20.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9894, 60.2765] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "KIP2",
    "water_depth": 572,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1651",
    "depth": 100.0,
    "PO4": 1.41,
    "SiOH4": 25.89,
    "NO3_NO2": 25.28,
    "NO2": 0.09,
    "NH4": 0.08,
    "NO3": 25.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9894, 60.2765] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "KIP2",
    "water_depth": 572,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1651",
    "depth": 250.0,
    "PO4": 1.81,
    "SiOH4": 34.14,
    "NO3_NO2": 32.26,
    "NO2": 0.05,
    "NH4": 0.09,
    "NO3": 32.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9894, 60.2765] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "KIP2",
    "water_depth": 572,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1651",
    "depth": 585.0,
    "PO4": 2.08,
    "SiOH4": 39.16,
    "NO3_NO2": null,
    "NO2": 0.09,
    "NH4": 0.28,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9882, 60.2777] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 43,
    "stn_id": "KIP2",
    "water_depth": 570,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1733",
    "depth": 2.0,
    "PO4": 1.13,
    "SiOH4": 22.57,
    "NO3_NO2": 16.25,
    "NO2": 0.19,
    "NH4": 0.23,
    "NO3": 16.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9882, 60.2777] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 43,
    "stn_id": "KIP2",
    "water_depth": 570,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1733",
    "depth": 10.0,
    "PO4": 1.19,
    "SiOH4": 23.09,
    "NO3_NO2": 16.43,
    "NO2": 0.08,
    "NH4": 0.01,
    "NO3": 16.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9882, 60.2777] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 43,
    "stn_id": "KIP2",
    "water_depth": 570,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1733",
    "depth": 16.0,
    "PO4": 1.21,
    "SiOH4": 23.11,
    "NO3_NO2": 16.61,
    "NO2": 0.11,
    "NH4": 0.05,
    "NO3": 16.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9882, 60.2777] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 43,
    "stn_id": "KIP2",
    "water_depth": 570,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1733",
    "depth": 29.0,
    "PO4": 1.24,
    "SiOH4": 23.63,
    "NO3_NO2": 16.97,
    "NO2": 0.11,
    "NH4": 0.0,
    "NO3": 16.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9882, 60.2777] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 43,
    "stn_id": "KIP2",
    "water_depth": 570,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1733",
    "depth": 40.0,
    "PO4": 1.33,
    "SiOH4": 24.56,
    "NO3_NO2": 17.87,
    "NO2": 0.08,
    "NH4": 0.01,
    "NO3": 17.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9882, 60.2777] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 43,
    "stn_id": "KIP2",
    "water_depth": 570,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "1733",
    "depth": 63.0,
    "PO4": 1.38,
    "SiOH4": 25.16,
    "NO3_NO2": 17.39,
    "NO2": 0.08,
    "NH4": 0.02,
    "NO3": 17.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6134, 60.2185] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "HE1",
    "water_depth": 66,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "2340",
    "depth": 3.0,
    "PO4": 1.38,
    "SiOH4": 31.38,
    "NO3_NO2": 20.4,
    "NO2": 0.16,
    "NH4": 0.07,
    "NO3": 20.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6134, 60.2185] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "HE1",
    "water_depth": 66,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "2340",
    "depth": 10.0,
    "PO4": 1.46,
    "SiOH4": 31.4,
    "NO3_NO2": 20.82,
    "NO2": 0.16,
    "NH4": 0.03,
    "NO3": 20.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6134, 60.2185] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "HE1",
    "water_depth": 66,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "2340",
    "depth": 21.0,
    "PO4": 1.48,
    "SiOH4": 30.93,
    "NO3_NO2": 21.42,
    "NO2": 0.16,
    "NH4": 0.01,
    "NO3": 21.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6134, 60.2185] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "HE1",
    "water_depth": 66,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "2340",
    "depth": 30.0,
    "PO4": 1.49,
    "SiOH4": 30.71,
    "NO3_NO2": 21.6,
    "NO2": 0.14,
    "NH4": 0.0,
    "NO3": 21.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6134, 60.2185] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "HE1",
    "water_depth": 66,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "2340",
    "depth": 41.0,
    "PO4": 1.48,
    "SiOH4": 30.07,
    "NO3_NO2": 21.66,
    "NO2": 0.08,
    "NH4": 0.0,
    "NO3": 21.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6134, 60.2185] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "HE1",
    "water_depth": 66,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "2340",
    "depth": 50.0,
    "PO4": 1.46,
    "SiOH4": 30.18,
    "NO3_NO2": 21.85,
    "NO2": 0.08,
    "NH4": 0.04,
    "NO3": 21.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6134, 60.2185] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "HE1",
    "water_depth": 66,
    "month_gmt": "3",
    "day_gmt": "11",
    "time_gmt": "2340",
    "depth": 80.0,
    "PO4": 1.51,
    "SiOH4": 29.95,
    "NO3_NO2": 21.42,
    "NO2": 0.08,
    "NH4": 0.04,
    "NO3": 21.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6101, 60.1811] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "HE2",
    "water_depth": 200,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0011",
    "depth": 4.0,
    "PO4": 1.37,
    "SiOH4": 32.54,
    "NO3_NO2": 21.79,
    "NO2": 0.19,
    "NH4": 0.05,
    "NO3": 21.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6101, 60.1811] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "HE2",
    "water_depth": 200,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0011",
    "depth": 10.0,
    "PO4": 1.51,
    "SiOH4": 32.95,
    "NO3_NO2": 21.85,
    "NO2": 0.22,
    "NH4": 0.07,
    "NO3": 21.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6101, 60.1811] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "HE2",
    "water_depth": 200,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0011",
    "depth": 19.0,
    "PO4": 1.5,
    "SiOH4": 32.87,
    "NO3_NO2": 21.97,
    "NO2": 0.3,
    "NH4": 0.07,
    "NO3": 21.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6101, 60.1811] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "HE2",
    "water_depth": 200,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0011",
    "depth": 29.0,
    "PO4": 1.54,
    "SiOH4": 32.78,
    "NO3_NO2": 22.15,
    "NO2": 0.03,
    "NH4": 0.07,
    "NO3": 22.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6101, 60.1811] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "HE2",
    "water_depth": 200,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0011",
    "depth": 37.0,
    "PO4": 1.55,
    "SiOH4": 32.78,
    "NO3_NO2": 21.85,
    "NO2": 0.11,
    "NH4": 0.1,
    "NO3": 21.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6101, 60.1811] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "HE2",
    "water_depth": 200,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0011",
    "depth": 50.0,
    "PO4": 1.56,
    "SiOH4": 32.78,
    "NO3_NO2": 21.24,
    "NO2": 0.11,
    "NH4": 0.12,
    "NO3": 21.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6101, 60.1811] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "HE2",
    "water_depth": 200,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0011",
    "depth": 76.0,
    "PO4": 1.52,
    "SiOH4": 32.62,
    "NO3_NO2": 20.94,
    "NO2": 0.27,
    "NH4": 0.07,
    "NO3": 20.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6101, 60.1811] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "HE2",
    "water_depth": 200,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0011",
    "depth": 101.0,
    "PO4": 1.56,
    "SiOH4": 32.29,
    "NO3_NO2": 20.76,
    "NO2": 0.22,
    "NH4": 0.02,
    "NO3": 20.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6101, 60.1811] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "HE2",
    "water_depth": 200,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0011",
    "depth": 150.0,
    "PO4": 1.55,
    "SiOH4": 31.63,
    "NO3_NO2": 20.88,
    "NO2": 0.11,
    "NH4": 0.02,
    "NO3": 20.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6101, 60.1811] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "HE2",
    "water_depth": 200,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0011",
    "depth": 198.0,
    "PO4": 1.53,
    "SiOH4": 30.14,
    "NO3_NO2": 20.94,
    "NO2": 0.14,
    "NH4": 0.02,
    "NO3": 20.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6083, 60.1317] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "HE3",
    "water_depth": 115,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0056",
    "depth": 4.0,
    "PO4": 1.45,
    "SiOH4": 33.28,
    "NO3_NO2": 22.27,
    "NO2": 0.16,
    "NH4": 0.02,
    "NO3": 22.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6083, 60.1317] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "HE3",
    "water_depth": 115,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0056",
    "depth": 10.0,
    "PO4": 1.5,
    "SiOH4": 33.69,
    "NO3_NO2": 21.79,
    "NO2": 0.19,
    "NH4": 0.02,
    "NO3": 21.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6083, 60.1317] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "HE3",
    "water_depth": 115,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0056",
    "depth": 20.0,
    "PO4": 1.54,
    "SiOH4": 33.44,
    "NO3_NO2": 21.54,
    "NO2": 0.19,
    "NH4": 0.05,
    "NO3": 21.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6083, 60.1317] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "HE3",
    "water_depth": 115,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0056",
    "depth": 30.0,
    "PO4": 1.52,
    "SiOH4": 33.11,
    "NO3_NO2": 21.72,
    "NO2": 0.16,
    "NH4": 0.05,
    "NO3": 21.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6083, 60.1317] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "HE3",
    "water_depth": 115,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0056",
    "depth": 40.0,
    "PO4": 1.47,
    "SiOH4": 31.3,
    "NO3_NO2": 20.64,
    "NO2": 0.16,
    "NH4": 0.05,
    "NO3": 20.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6083, 60.1317] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "HE3",
    "water_depth": 115,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0056",
    "depth": 50.0,
    "PO4": 1.49,
    "SiOH4": 30.72,
    "NO3_NO2": 20.22,
    "NO2": 0.16,
    "NH4": 0.02,
    "NO3": 20.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6083, 60.1317] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "HE3",
    "water_depth": 115,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0056",
    "depth": 78.0,
    "PO4": 1.49,
    "SiOH4": 30.39,
    "NO3_NO2": 21.18,
    "NO2": 0.16,
    "NH4": 0.02,
    "NO3": 21.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6083, 60.1317] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "HE3",
    "water_depth": 115,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0056",
    "depth": 113.0,
    "PO4": 1.55,
    "SiOH4": 30.64,
    "NO3_NO2": 21.12,
    "NO2": 0.19,
    "NH4": 0.05,
    "NO3": 20.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6084, 60.0808] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 47,
    "stn_id": "HE4",
    "water_depth": 116,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0135",
    "depth": 3.0,
    "PO4": 1.42,
    "SiOH4": 33.2,
    "NO3_NO2": 22.27,
    "NO2": 0.08,
    "NH4": 0.02,
    "NO3": 22.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6084, 60.0808] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 47,
    "stn_id": "HE4",
    "water_depth": 116,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0135",
    "depth": 11.0,
    "PO4": 1.49,
    "SiOH4": 33.28,
    "NO3_NO2": 22.33,
    "NO2": 0.08,
    "NH4": 0.05,
    "NO3": 22.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6084, 60.0808] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 47,
    "stn_id": "HE4",
    "water_depth": 116,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0135",
    "depth": 20.0,
    "PO4": 1.53,
    "SiOH4": 33.28,
    "NO3_NO2": 22.33,
    "NO2": 0.08,
    "NH4": 0.12,
    "NO3": 22.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6084, 60.0808] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 47,
    "stn_id": "HE4",
    "water_depth": 116,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0135",
    "depth": 29.0,
    "PO4": 1.54,
    "SiOH4": 33.11,
    "NO3_NO2": 22.33,
    "NO2": 0.08,
    "NH4": 0.19,
    "NO3": 22.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6084, 60.0808] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 47,
    "stn_id": "HE4",
    "water_depth": 116,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0135",
    "depth": 41.0,
    "PO4": 1.54,
    "SiOH4": 32.95,
    "NO3_NO2": 24.07,
    "NO2": 0.05,
    "NH4": 0.26,
    "NO3": 24.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6084, 60.0808] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 47,
    "stn_id": "HE4",
    "water_depth": 116,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0135",
    "depth": 51.0,
    "PO4": 1.54,
    "SiOH4": 32.62,
    "NO3_NO2": 23.95,
    "NO2": 0.08,
    "NH4": 0.29,
    "NO3": 23.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6084, 60.0808] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 47,
    "stn_id": "HE4",
    "water_depth": 116,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0135",
    "depth": 74.0,
    "PO4": 1.53,
    "SiOH4": 32.12,
    "NO3_NO2": 23.11,
    "NO2": 0.11,
    "NH4": 0.01,
    "NO3": 23.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6084, 60.0808] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 47,
    "stn_id": "HE4",
    "water_depth": 116,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0135",
    "depth": 111.0,
    "PO4": 1.53,
    "SiOH4": 31.55,
    "NO3_NO2": 22.09,
    "NO2": 0.11,
    "NH4": 0.01,
    "NO3": 21.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6078, 60.0307] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "HE5",
    "water_depth": 96,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0210",
    "depth": 4.0,
    "PO4": 1.49,
    "SiOH4": 33.36,
    "NO3_NO2": 21.48,
    "NO2": 0.08,
    "NH4": 0.13,
    "NO3": 21.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6078, 60.0307] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "HE5",
    "water_depth": 96,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0210",
    "depth": 10.0,
    "PO4": 1.53,
    "SiOH4": 32.54,
    "NO3_NO2": 21.42,
    "NO2": 0.08,
    "NH4": 0.21,
    "NO3": 21.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6078, 60.0307] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "HE5",
    "water_depth": 96,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0210",
    "depth": 19.0,
    "PO4": 1.52,
    "SiOH4": 32.37,
    "NO3_NO2": 21.79,
    "NO2": 0.08,
    "NH4": 0.28,
    "NO3": 21.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6078, 60.0307] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "HE5",
    "water_depth": 96,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0210",
    "depth": 29.0,
    "PO4": 1.52,
    "SiOH4": 32.29,
    "NO3_NO2": 21.97,
    "NO2": 0.08,
    "NH4": 0.08,
    "NO3": 21.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6078, 60.0307] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "HE5",
    "water_depth": 96,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0210",
    "depth": 39.0,
    "PO4": 1.52,
    "SiOH4": 32.29,
    "NO3_NO2": 21.97,
    "NO2": 0.11,
    "NH4": 0.01,
    "NO3": 21.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6078, 60.0307] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "HE5",
    "water_depth": 96,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0210",
    "depth": 51.0,
    "PO4": 1.56,
    "SiOH4": 32.29,
    "NO3_NO2": 22.27,
    "NO2": 0.11,
    "NH4": 0.0,
    "NO3": 22.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6078, 60.0307] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "HE5",
    "water_depth": 96,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0210",
    "depth": 75.0,
    "PO4": 1.55,
    "SiOH4": 32.62,
    "NO3_NO2": 22.15,
    "NO2": 0.11,
    "NH4": 0.03,
    "NO3": 22.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6078, 60.0307] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "HE5",
    "water_depth": 96,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0210",
    "depth": 97.0,
    "PO4": 1.53,
    "SiOH4": 32.37,
    "NO3_NO2": 22.15,
    "NO2": 0.16,
    "NH4": 0.0,
    "NO3": 21.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7, 60.0423] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 49,
    "stn_id": "HE6",
    "water_depth": 120,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0244",
    "depth": 3.0,
    "PO4": 1.39,
    "SiOH4": 28.55,
    "NO3_NO2": 22.27,
    "NO2": 0.05,
    "NH4": 0.07,
    "NO3": 22.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7, 60.0423] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 49,
    "stn_id": "HE6",
    "water_depth": 120,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0244",
    "depth": 10.0,
    "PO4": 1.5,
    "SiOH4": 28.57,
    "NO3_NO2": 22.57,
    "NO2": 0.11,
    "NH4": 0.1,
    "NO3": 22.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7, 60.0423] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 49,
    "stn_id": "HE6",
    "water_depth": 120,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0244",
    "depth": 21.0,
    "PO4": 1.51,
    "SiOH4": 28.59,
    "NO3_NO2": 23.05,
    "NO2": 0.11,
    "NH4": 0.2,
    "NO3": 22.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7, 60.0423] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 49,
    "stn_id": "HE6",
    "water_depth": 120,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0244",
    "depth": 30.0,
    "PO4": 1.52,
    "SiOH4": 28.88,
    "NO3_NO2": 23.83,
    "NO2": 0.11,
    "NH4": 0.0,
    "NO3": 23.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7, 60.0423] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 49,
    "stn_id": "HE6",
    "water_depth": 120,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0244",
    "depth": 42.0,
    "PO4": 1.54,
    "SiOH4": 27.45,
    "NO3_NO2": 24.07,
    "NO2": 0.11,
    "NH4": 0.07,
    "NO3": 23.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7, 60.0423] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 49,
    "stn_id": "HE6",
    "water_depth": 120,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0244",
    "depth": 53.0,
    "PO4": 1.48,
    "SiOH4": 26.64,
    "NO3_NO2": 25.16,
    "NO2": 0.11,
    "NH4": 0.07,
    "NO3": 25.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7, 60.0423] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 49,
    "stn_id": "HE6",
    "water_depth": 120,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0244",
    "depth": 76.0,
    "PO4": 1.49,
    "SiOH4": 26.73,
    "NO3_NO2": 21.85,
    "NO2": 0.11,
    "NH4": 0.1,
    "NO3": 21.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7, 60.0423] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 49,
    "stn_id": "HE6",
    "water_depth": 120,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0244",
    "depth": 116.0,
    "PO4": 1.47,
    "SiOH4": 26.67,
    "NO3_NO2": 21.66,
    "NO2": 0.08,
    "NH4": 0.22,
    "NO3": 21.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7926, 60.0573] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "HE7",
    "water_depth": 120,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0311",
    "depth": 3.0,
    "PO4": 1.34,
    "SiOH4": 28.44,
    "NO3_NO2": 21.81,
    "NO2": 0.19,
    "NH4": 0.04,
    "NO3": 21.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7926, 60.0573] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "HE7",
    "water_depth": 120,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0311",
    "depth": 10.0,
    "PO4": 1.52,
    "SiOH4": 28.46,
    "NO3_NO2": 22.13,
    "NO2": 0.19,
    "NH4": 0.19,
    "NO3": 21.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7926, 60.0573] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "HE7",
    "water_depth": 120,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0311",
    "depth": 22.0,
    "PO4": 1.52,
    "SiOH4": 28.48,
    "NO3_NO2": 22.45,
    "NO2": 0.18,
    "NH4": 0.08,
    "NO3": 22.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7926, 60.0573] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "HE7",
    "water_depth": 120,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0311",
    "depth": 30.0,
    "PO4": 1.55,
    "SiOH4": 28.51,
    "NO3_NO2": 22.35,
    "NO2": 0.18,
    "NH4": 0.05,
    "NO3": 22.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7926, 60.0573] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "HE7",
    "water_depth": 120,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0311",
    "depth": 38.0,
    "PO4": 1.53,
    "SiOH4": 27.63,
    "NO3_NO2": 22.01,
    "NO2": 0.2,
    "NH4": 0.05,
    "NO3": 21.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7926, 60.0573] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "HE7",
    "water_depth": 120,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0311",
    "depth": 50.0,
    "PO4": 1.49,
    "SiOH4": 26.55,
    "NO3_NO2": 21.36,
    "NO2": 0.2,
    "NH4": 0.11,
    "NO3": 21.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7926, 60.0573] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "HE7",
    "water_depth": 120,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0311",
    "depth": 76.0,
    "PO4": 1.49,
    "SiOH4": 26.16,
    "NO3_NO2": 21.5,
    "NO2": 0.2,
    "NH4": 0.16,
    "NO3": 21.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7926, 60.0573] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "HE7",
    "water_depth": 120,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0311",
    "depth": 121.0,
    "PO4": 1.51,
    "SiOH4": 25.98,
    "NO3_NO2": 21.52,
    "NO2": 0.19,
    "NH4": 0.15,
    "NO3": 21.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8765, 60.0751] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 51,
    "stn_id": "HE8",
    "water_depth": 110,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0338",
    "depth": 3.0,
    "PO4": 1.27,
    "SiOH4": 26.22,
    "NO3_NO2": 19.63,
    "NO2": 0.26,
    "NH4": 0.04,
    "NO3": 19.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8765, 60.0751] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 51,
    "stn_id": "HE8",
    "water_depth": 110,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0338",
    "depth": 9.0,
    "PO4": 1.39,
    "SiOH4": 26.86,
    "NO3_NO2": 19.92,
    "NO2": 0.15,
    "NH4": 0.0,
    "NO3": 19.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8765, 60.0751] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 51,
    "stn_id": "HE8",
    "water_depth": 110,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0338",
    "depth": 21.0,
    "PO4": 1.42,
    "SiOH4": 27.0,
    "NO3_NO2": 19.92,
    "NO2": 0.15,
    "NH4": 0.0,
    "NO3": 19.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8765, 60.0751] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 51,
    "stn_id": "HE8",
    "water_depth": 110,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0338",
    "depth": 32.0,
    "PO4": 1.46,
    "SiOH4": 27.04,
    "NO3_NO2": 19.75,
    "NO2": 0.12,
    "NH4": 0.11,
    "NO3": 19.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8765, 60.0751] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 51,
    "stn_id": "HE8",
    "water_depth": 110,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0338",
    "depth": 41.0,
    "PO4": 1.47,
    "SiOH4": 27.26,
    "NO3_NO2": 19.69,
    "NO2": 0.12,
    "NH4": 0.11,
    "NO3": 19.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8765, 60.0751] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 51,
    "stn_id": "HE8",
    "water_depth": 110,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0338",
    "depth": 51.0,
    "PO4": 1.47,
    "SiOH4": 27.31,
    "NO3_NO2": 19.39,
    "NO2": 0.12,
    "NH4": 0.14,
    "NO3": 19.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8765, 60.0751] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 51,
    "stn_id": "HE8",
    "water_depth": 110,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0338",
    "depth": 75.0,
    "PO4": 1.5,
    "SiOH4": 26.84,
    "NO3_NO2": 19.69,
    "NO2": 0.14,
    "NH4": 0.53,
    "NO3": 19.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8765, 60.0751] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 51,
    "stn_id": "HE8",
    "water_depth": 110,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0338",
    "depth": 106.0,
    "PO4": 1.5,
    "SiOH4": 26.55,
    "NO3_NO2": 19.87,
    "NO2": 0.14,
    "NH4": 0.46,
    "NO3": 19.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9626, 60.0932] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 52,
    "stn_id": "HE9",
    "water_depth": 150,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0404",
    "depth": 3.0,
    "PO4": 1.34,
    "SiOH4": 29.75,
    "NO3_NO2": 19.87,
    "NO2": 0.13,
    "NH4": 0.21,
    "NO3": 19.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9626, 60.0932] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 52,
    "stn_id": "HE9",
    "water_depth": 150,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0404",
    "depth": 12.0,
    "PO4": 1.45,
    "SiOH4": 29.29,
    "NO3_NO2": 19.69,
    "NO2": 0.16,
    "NH4": 0.14,
    "NO3": 19.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9626, 60.0932] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 52,
    "stn_id": "HE9",
    "water_depth": 150,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0404",
    "depth": 20.0,
    "PO4": 1.45,
    "SiOH4": 29.34,
    "NO3_NO2": 20.46,
    "NO2": 0.13,
    "NH4": 0.61,
    "NO3": 20.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9626, 60.0932] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 52,
    "stn_id": "HE9",
    "water_depth": 150,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0404",
    "depth": 31.0,
    "PO4": 1.47,
    "SiOH4": 29.3,
    "NO3_NO2": 20.04,
    "NO2": 0.15,
    "NH4": 0.46,
    "NO3": 19.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9626, 60.0932] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 52,
    "stn_id": "HE9",
    "water_depth": 150,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0404",
    "depth": 42.0,
    "PO4": 1.46,
    "SiOH4": 29.6,
    "NO3_NO2": 19.75,
    "NO2": 0.15,
    "NH4": 0.39,
    "NO3": 19.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9626, 60.0932] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 52,
    "stn_id": "HE9",
    "water_depth": 150,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0404",
    "depth": 47.0,
    "PO4": 1.47,
    "SiOH4": 29.31,
    "NO3_NO2": 19.63,
    "NO2": 0.15,
    "NH4": 0.36,
    "NO3": 19.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9626, 60.0932] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 52,
    "stn_id": "HE9",
    "water_depth": 150,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0404",
    "depth": 76.0,
    "PO4": 1.52,
    "SiOH4": 29.44,
    "NO3_NO2": 19.69,
    "NO2": 0.14,
    "NH4": 0.82,
    "NO3": 19.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9626, 60.0932] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 52,
    "stn_id": "HE9",
    "water_depth": 150,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0404",
    "depth": 102.0,
    "PO4": 1.51,
    "SiOH4": 29.74,
    "NO3_NO2": 19.81,
    "NO2": 0.11,
    "NH4": 0.21,
    "NO3": 19.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9626, 60.0932] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 52,
    "stn_id": "HE9",
    "water_depth": 150,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0404",
    "depth": 142.0,
    "PO4": 1.52,
    "SiOH4": 29.79,
    "NO3_NO2": 20.87,
    "NO2": 0.11,
    "NH4": 0.14,
    "NO3": 20.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0518, 60.1093] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "HE10",
    "water_depth": 280,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0434",
    "depth": 3.0,
    "PO4": 1.29,
    "SiOH4": 31.19,
    "NO3_NO2": 21.64,
    "NO2": 0.19,
    "NH4": 0.01,
    "NO3": 21.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0518, 60.1093] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "HE10",
    "water_depth": 280,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0434",
    "depth": 11.0,
    "PO4": 1.47,
    "SiOH4": 31.53,
    "NO3_NO2": 20.7,
    "NO2": 0.19,
    "NH4": 0.02,
    "NO3": 20.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0518, 60.1093] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "HE10",
    "water_depth": 280,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0434",
    "depth": 20.0,
    "PO4": 1.46,
    "SiOH4": 31.86,
    "NO3_NO2": 20.76,
    "NO2": 0.19,
    "NH4": 0.03,
    "NO3": 20.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0518, 60.1093] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "HE10",
    "water_depth": 280,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0434",
    "depth": 30.0,
    "PO4": 1.46,
    "SiOH4": 32.19,
    "NO3_NO2": 20.16,
    "NO2": 0.19,
    "NH4": 0.22,
    "NO3": 19.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0518, 60.1093] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "HE10",
    "water_depth": 280,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0434",
    "depth": 41.0,
    "PO4": 1.47,
    "SiOH4": 32.36,
    "NO3_NO2": 20.93,
    "NO2": 0.19,
    "NH4": 0.12,
    "NO3": 20.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0518, 60.1093] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "HE10",
    "water_depth": 280,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0434",
    "depth": 50.0,
    "PO4": 1.5,
    "SiOH4": 32.26,
    "NO3_NO2": 21.35,
    "NO2": 0.13,
    "NH4": 0.13,
    "NO3": 21.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0518, 60.1093] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "HE10",
    "water_depth": 280,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0434",
    "depth": 76.0,
    "PO4": 1.49,
    "SiOH4": 32.51,
    "NO3_NO2": 22.06,
    "NO2": 0.05,
    "NH4": 0.17,
    "NO3": 22.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0518, 60.1093] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "HE10",
    "water_depth": 280,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0434",
    "depth": 103.0,
    "PO4": 1.49,
    "SiOH4": 32.42,
    "NO3_NO2": 21.29,
    "NO2": 0.13,
    "NH4": 0.11,
    "NO3": 21.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0518, 60.1093] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "HE10",
    "water_depth": 280,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0434",
    "depth": 150.0,
    "PO4": 1.52,
    "SiOH4": 31.73,
    "NO3_NO2": 20.99,
    "NO2": 0.13,
    "NH4": 0.12,
    "NO3": 20.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0518, 60.1093] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "HE10",
    "water_depth": 280,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0434",
    "depth": 224.0,
    "PO4": 1.52,
    "SiOH4": 31.38,
    "NO3_NO2": 22.12,
    "NO2": 0.08,
    "NH4": 0.06,
    "NO3": 22.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0518, 60.1093] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "HE10",
    "water_depth": 280,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0434",
    "depth": 267.0,
    "PO4": 1.62,
    "SiOH4": 34.27,
    "NO3_NO2": 24.49,
    "NO2": 0.05,
    "NH4": 0.28,
    "NO3": 24.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1351, 60.1296] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0509",
    "depth": 4.0,
    "PO4": 1.42,
    "SiOH4": 32.81,
    "NO3_NO2": 21.23,
    "NO2": 0.11,
    "NH4": 0.19,
    "NO3": 21.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1351, 60.1296] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0509",
    "depth": 10.0,
    "PO4": 1.48,
    "SiOH4": 33.23,
    "NO3_NO2": 21.53,
    "NO2": 0.11,
    "NH4": 0.16,
    "NO3": 21.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1351, 60.1296] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0509",
    "depth": 20.0,
    "PO4": 1.48,
    "SiOH4": 33.14,
    "NO3_NO2": 21.47,
    "NO2": 0.08,
    "NH4": 0.14,
    "NO3": 21.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1351, 60.1296] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0509",
    "depth": 30.0,
    "PO4": 1.47,
    "SiOH4": 32.96,
    "NO3_NO2": 21.76,
    "NO2": 0.11,
    "NH4": 0.18,
    "NO3": 21.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1351, 60.1296] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0509",
    "depth": 39.0,
    "PO4": 1.47,
    "SiOH4": 33.29,
    "NO3_NO2": 22.3,
    "NO2": 0.08,
    "NH4": 0.16,
    "NO3": 22.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1351, 60.1296] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0509",
    "depth": 50.0,
    "PO4": 1.49,
    "SiOH4": 33.37,
    "NO3_NO2": 22.77,
    "NO2": 0.13,
    "NH4": 0.27,
    "NO3": 22.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1351, 60.1296] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0509",
    "depth": 75.0,
    "PO4": 1.46,
    "SiOH4": 33.11,
    "NO3_NO2": 21.94,
    "NO2": 0.13,
    "NH4": 0.21,
    "NO3": 21.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1351, 60.1296] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0509",
    "depth": 100.0,
    "PO4": 1.47,
    "SiOH4": 33.19,
    "NO3_NO2": 21.94,
    "NO2": 0.13,
    "NH4": 0.18,
    "NO3": 21.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1351, 60.1296] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0509",
    "depth": 145.0,
    "PO4": 1.49,
    "SiOH4": 33.01,
    "NO3_NO2": 21.53,
    "NO2": 0.13,
    "NH4": 0.09,
    "NO3": 21.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1351, 60.1296] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0509",
    "depth": 215.0,
    "PO4": 1.53,
    "SiOH4": 32.57,
    "NO3_NO2": 22.47,
    "NO2": 0.11,
    "NH4": 0.1,
    "NO3": 22.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1829, 60.1392] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "HE12",
    "water_depth": 187,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0534",
    "depth": 3.0,
    "PO4": 1.37,
    "SiOH4": 33.19,
    "NO3_NO2": 21.54,
    "NO2": 0.18,
    "NH4": 0.16,
    "NO3": 21.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1829, 60.1392] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "HE12",
    "water_depth": 187,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0534",
    "depth": 11.0,
    "PO4": 1.4,
    "SiOH4": 33.38,
    "NO3_NO2": 21.72,
    "NO2": 0.18,
    "NH4": 0.15,
    "NO3": 21.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1829, 60.1392] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "HE12",
    "water_depth": 187,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0534",
    "depth": 22.0,
    "PO4": 1.47,
    "SiOH4": 33.31,
    "NO3_NO2": 21.73,
    "NO2": 0.17,
    "NH4": 0.22,
    "NO3": 21.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1829, 60.1392] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "HE12",
    "water_depth": 187,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0534",
    "depth": 31.0,
    "PO4": 1.45,
    "SiOH4": 33.24,
    "NO3_NO2": 22.15,
    "NO2": 0.17,
    "NH4": 0.17,
    "NO3": 21.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1829, 60.1392] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "HE12",
    "water_depth": 187,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0534",
    "depth": 41.0,
    "PO4": 1.48,
    "SiOH4": 33.0,
    "NO3_NO2": 22.22,
    "NO2": 0.17,
    "NH4": 0.16,
    "NO3": 22.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1829, 60.1392] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "HE12",
    "water_depth": 187,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0534",
    "depth": 49.0,
    "PO4": 1.45,
    "SiOH4": 33.01,
    "NO3_NO2": 21.93,
    "NO2": 0.16,
    "NH4": 0.12,
    "NO3": 21.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1829, 60.1392] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "HE12",
    "water_depth": 187,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0534",
    "depth": 74.0,
    "PO4": 1.47,
    "SiOH4": 32.69,
    "NO3_NO2": 21.82,
    "NO2": 0.19,
    "NH4": 0.18,
    "NO3": 21.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1829, 60.1392] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "HE12",
    "water_depth": 187,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0534",
    "depth": 99.0,
    "PO4": 1.47,
    "SiOH4": 32.45,
    "NO3_NO2": 22.3,
    "NO2": 0.16,
    "NH4": 0.21,
    "NO3": 22.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1829, 60.1392] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "HE12",
    "water_depth": 187,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0534",
    "depth": 186.0,
    "PO4": 1.59,
    "SiOH4": 33.06,
    "NO3_NO2": 23.55,
    "NO2": 0.16,
    "NH4": 0.31,
    "NO3": 23.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0465, 59.4075] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 56,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "1828",
    "depth": 3.0,
    "PO4": 1.39,
    "SiOH4": 29.92,
    "NO3_NO2": 19.71,
    "NO2": 0.18,
    "NH4": 0.26,
    "NO3": 19.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0465, 59.4075] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 56,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "1828",
    "depth": 8.0,
    "PO4": 1.31,
    "SiOH4": 29.85,
    "NO3_NO2": 19.59,
    "NO2": 0.15,
    "NH4": 0.36,
    "NO3": 19.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0465, 59.4075] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 56,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "1828",
    "depth": 12.0,
    "PO4": 1.39,
    "SiOH4": 29.86,
    "NO3_NO2": 19.66,
    "NO2": 0.15,
    "NH4": 0.25,
    "NO3": 19.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0465, 59.4075] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 56,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "1828",
    "depth": 22.0,
    "PO4": 1.39,
    "SiOH4": 29.79,
    "NO3_NO2": 19.79,
    "NO2": 0.14,
    "NH4": 0.31,
    "NO3": 19.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0465, 59.4075] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 56,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "1828",
    "depth": 31.0,
    "PO4": 1.43,
    "SiOH4": 30.32,
    "NO3_NO2": 20.03,
    "NO2": 0.14,
    "NH4": 0.3,
    "NO3": 19.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0465, 59.4075] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 56,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "1828",
    "depth": 49.0,
    "PO4": 1.5,
    "SiOH4": 30.93,
    "NO3_NO2": 21.04,
    "NO2": 0.14,
    "NH4": 0.26,
    "NO3": 20.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8652, 59.4504] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "CF15",
    "water_depth": 183,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "1922",
    "depth": 2.0,
    "PO4": 1.22,
    "SiOH4": 28.99,
    "NO3_NO2": 19.31,
    "NO2": 0.16,
    "NH4": 0.02,
    "NO3": 19.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8652, 59.4504] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "CF15",
    "water_depth": 183,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "1922",
    "depth": 10.0,
    "PO4": 1.34,
    "SiOH4": 28.13,
    "NO3_NO2": 19.36,
    "NO2": 0.16,
    "NH4": 0.04,
    "NO3": 19.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8652, 59.4504] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "CF15",
    "water_depth": 183,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "1922",
    "depth": 20.0,
    "PO4": 1.38,
    "SiOH4": 28.47,
    "NO3_NO2": 19.81,
    "NO2": 0.16,
    "NH4": 0.03,
    "NO3": 19.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8652, 59.4504] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "CF15",
    "water_depth": 183,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "1922",
    "depth": 30.0,
    "PO4": 1.38,
    "SiOH4": 28.9,
    "NO3_NO2": 20.57,
    "NO2": 0.03,
    "NH4": 0.01,
    "NO3": 20.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8652, 59.4504] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "CF15",
    "water_depth": 183,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "1922",
    "depth": 40.0,
    "PO4": 1.45,
    "SiOH4": 29.5,
    "NO3_NO2": 21.09,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 21.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8652, 59.4504] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "CF15",
    "water_depth": 183,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "1922",
    "depth": 50.0,
    "PO4": 1.44,
    "SiOH4": 26.87,
    "NO3_NO2": 19.53,
    "NO2": 0.08,
    "NH4": 0.11,
    "NO3": 19.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8652, 59.4504] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "CF15",
    "water_depth": 183,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "1922",
    "depth": 75.0,
    "PO4": 1.43,
    "SiOH4": 26.19,
    "NO3_NO2": 19.43,
    "NO2": 0.11,
    "NH4": 0.11,
    "NO3": 19.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8652, 59.4504] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "CF15",
    "water_depth": 183,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "1922",
    "depth": 100.0,
    "PO4": 1.5,
    "SiOH4": 27.22,
    "NO3_NO2": 20.68,
    "NO2": 0.05,
    "NH4": 0.28,
    "NO3": 20.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8652, 59.4504] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "CF15",
    "water_depth": 183,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "1922",
    "depth": 179.0,
    "PO4": 1.63,
    "SiOH4": 30.38,
    "NO3_NO2": 22.71,
    "NO2": 0.11,
    "NH4": 0.11,
    "NO3": 22.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.5175] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2013",
    "depth": 3.0,
    "PO4": 1.34,
    "SiOH4": 27.57,
    "NO3_NO2": 19.4,
    "NO2": 0.08,
    "NH4": 0.11,
    "NO3": 19.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.5175] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2013",
    "depth": 10.0,
    "PO4": 1.4,
    "SiOH4": 27.49,
    "NO3_NO2": 19.65,
    "NO2": 0.08,
    "NH4": 0.11,
    "NO3": 19.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.5175] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2013",
    "depth": 20.0,
    "PO4": 1.41,
    "SiOH4": 27.58,
    "NO3_NO2": 20.08,
    "NO2": 0.08,
    "NH4": 0.14,
    "NO3": 20.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.5175] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2013",
    "depth": 30.0,
    "PO4": 1.41,
    "SiOH4": 28.18,
    "NO3_NO2": 19.56,
    "NO2": 0.08,
    "NH4": 0.18,
    "NO3": 19.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.5175] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2013",
    "depth": 40.0,
    "PO4": 1.4,
    "SiOH4": 27.68,
    "NO3_NO2": 19.87,
    "NO2": 0.08,
    "NH4": 0.11,
    "NO3": 19.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.5175] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2013",
    "depth": 50.0,
    "PO4": 1.42,
    "SiOH4": 28.02,
    "NO3_NO2": 18.99,
    "NO2": 0.08,
    "NH4": 0.07,
    "NO3": 18.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.5175] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2013",
    "depth": 75.0,
    "PO4": 1.44,
    "SiOH4": 28.03,
    "NO3_NO2": 19.89,
    "NO2": 0.05,
    "NH4": 0.07,
    "NO3": 19.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.5175] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2013",
    "depth": 100.0,
    "PO4": 1.49,
    "SiOH4": 28.89,
    "NO3_NO2": 20.73,
    "NO2": 0.05,
    "NH4": 0.28,
    "NO3": 20.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.5175] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2013",
    "depth": 167.0,
    "PO4": 1.6,
    "SiOH4": 31.2,
    "NO3_NO2": 23.06,
    "NO2": 0.11,
    "NH4": 0.43,
    "NO3": 22.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8683, 59.584] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 61,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2144",
    "depth": 2.0,
    "PO4": 1.32,
    "SiOH4": 28.72,
    "NO3_NO2": 20.61,
    "NO2": 0.1,
    "NH4": 0.19,
    "NO3": 20.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8683, 59.584] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 61,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2144",
    "depth": 10.0,
    "PO4": 1.42,
    "SiOH4": 28.46,
    "NO3_NO2": 19.68,
    "NO2": 0.1,
    "NH4": 0.2,
    "NO3": 19.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8683, 59.584] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 61,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2144",
    "depth": 20.0,
    "PO4": 1.43,
    "SiOH4": 28.62,
    "NO3_NO2": 18.76,
    "NO2": 0.1,
    "NH4": 0.28,
    "NO3": 18.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8683, 59.584] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 61,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2144",
    "depth": 30.0,
    "PO4": 1.44,
    "SiOH4": 28.69,
    "NO3_NO2": 17.84,
    "NO2": 0.1,
    "NH4": 0.29,
    "NO3": 17.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8683, 59.584] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 61,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2144",
    "depth": 39.0,
    "PO4": 1.44,
    "SiOH4": 29.03,
    "NO3_NO2": 18.11,
    "NO2": 0.12,
    "NH4": 0.26,
    "NO3": 17.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8683, 59.584] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 61,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2144",
    "depth": 51.0,
    "PO4": 1.43,
    "SiOH4": 29.02,
    "NO3_NO2": 18.2,
    "NO2": 0.12,
    "NH4": 0.27,
    "NO3": 18.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8683, 59.584] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 61,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2144",
    "depth": 77.0,
    "PO4": 1.49,
    "SiOH4": 29.18,
    "NO3_NO2": 18.82,
    "NO2": 0.11,
    "NH4": 0.39,
    "NO3": 18.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8683, 59.584] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 61,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2144",
    "depth": 99.0,
    "PO4": 1.52,
    "SiOH4": 29.25,
    "NO3_NO2": 19.08,
    "NO2": 0.08,
    "NH4": 0.43,
    "NO3": 19.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8683, 59.584] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 61,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2144",
    "depth": 175.0,
    "PO4": 1.64,
    "SiOH4": 32.48,
    "NO3_NO2": 21.78,
    "NO2": 0.08,
    "NH4": 0.23,
    "NO3": 21.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8689, 59.6505] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 63,
    "stn_id": "CF09",
    "water_depth": 178,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2238",
    "depth": 2.0,
    "PO4": 1.4,
    "SiOH4": 29.66,
    "NO3_NO2": 18.66,
    "NO2": 0.08,
    "NH4": 0.27,
    "NO3": 18.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8689, 59.6505] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 63,
    "stn_id": "CF09",
    "water_depth": 178,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2238",
    "depth": 11.0,
    "PO4": 1.45,
    "SiOH4": 29.74,
    "NO3_NO2": 18.93,
    "NO2": 0.1,
    "NH4": 0.25,
    "NO3": 18.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8689, 59.6505] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 63,
    "stn_id": "CF09",
    "water_depth": 178,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2238",
    "depth": 21.0,
    "PO4": 1.44,
    "SiOH4": 29.73,
    "NO3_NO2": 19.43,
    "NO2": 0.1,
    "NH4": 0.25,
    "NO3": 19.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8689, 59.6505] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 63,
    "stn_id": "CF09",
    "water_depth": 178,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2238",
    "depth": 30.0,
    "PO4": 1.44,
    "SiOH4": 29.64,
    "NO3_NO2": 19.64,
    "NO2": 0.1,
    "NH4": 0.34,
    "NO3": 19.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8689, 59.6505] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 63,
    "stn_id": "CF09",
    "water_depth": 178,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2238",
    "depth": 40.0,
    "PO4": 1.45,
    "SiOH4": 29.63,
    "NO3_NO2": 19.43,
    "NO2": 0.12,
    "NH4": 0.38,
    "NO3": 19.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8689, 59.6505] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 63,
    "stn_id": "CF09",
    "water_depth": 178,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2238",
    "depth": 50.0,
    "PO4": 1.44,
    "SiOH4": 29.7,
    "NO3_NO2": 19.52,
    "NO2": 0.12,
    "NH4": 0.28,
    "NO3": 19.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8689, 59.6505] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 63,
    "stn_id": "CF09",
    "water_depth": 178,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2238",
    "depth": 76.0,
    "PO4": 1.42,
    "SiOH4": 29.18,
    "NO3_NO2": 19.54,
    "NO2": 0.12,
    "NH4": 0.26,
    "NO3": 19.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8689, 59.6505] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 63,
    "stn_id": "CF09",
    "water_depth": 178,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2238",
    "depth": 100.0,
    "PO4": 1.46,
    "SiOH4": 29.17,
    "NO3_NO2": 20.22,
    "NO2": 0.11,
    "NH4": 0.19,
    "NO3": 20.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8689, 59.6505] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 63,
    "stn_id": "CF09",
    "water_depth": 178,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2238",
    "depth": 172.0,
    "PO4": 1.59,
    "SiOH4": 32.57,
    "NO3_NO2": 22.92,
    "NO2": 0.11,
    "NH4": 0.17,
    "NO3": 22.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8682, 59.716] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 65,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2335",
    "depth": 2.0,
    "PO4": 1.5,
    "SiOH4": 31.19,
    "NO3_NO2": 21.58,
    "NO2": 0.13,
    "NH4": 0.17,
    "NO3": 21.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8682, 59.716] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 65,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2335",
    "depth": 10.0,
    "PO4": 1.43,
    "SiOH4": 31.09,
    "NO3_NO2": 20.42,
    "NO2": 0.13,
    "NH4": 0.2,
    "NO3": 20.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8682, 59.716] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 65,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2335",
    "depth": 21.0,
    "PO4": 1.41,
    "SiOH4": 30.74,
    "NO3_NO2": 20.51,
    "NO2": 0.12,
    "NH4": 0.24,
    "NO3": 20.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8682, 59.716] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 65,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2335",
    "depth": 31.0,
    "PO4": 1.42,
    "SiOH4": 30.05,
    "NO3_NO2": 20.06,
    "NO2": 0.12,
    "NH4": 0.2,
    "NO3": 19.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8682, 59.716] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 65,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2335",
    "depth": 40.0,
    "PO4": 1.4,
    "SiOH4": 29.96,
    "NO3_NO2": 20.03,
    "NO2": 0.12,
    "NH4": 0.19,
    "NO3": 19.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8682, 59.716] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 65,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2335",
    "depth": 51.0,
    "PO4": 1.44,
    "SiOH4": 29.95,
    "NO3_NO2": 20.11,
    "NO2": 0.12,
    "NH4": 0.12,
    "NO3": 20.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8682, 59.716] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 65,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2335",
    "depth": 75.0,
    "PO4": 1.41,
    "SiOH4": 29.61,
    "NO3_NO2": 19.9,
    "NO2": 0.11,
    "NH4": 0.22,
    "NO3": 19.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8682, 59.716] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 65,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2335",
    "depth": 100.0,
    "PO4": 1.43,
    "SiOH4": 29.77,
    "NO3_NO2": 20.35,
    "NO2": 0.08,
    "NH4": 0.18,
    "NO3": 20.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8682, 59.716] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 65,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "2335",
    "depth": 175.0,
    "PO4": 1.66,
    "SiOH4": 34.88,
    "NO3_NO2": 23.69,
    "NO2": 0.08,
    "NH4": 0.22,
    "NO3": 23.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8686, 59.7834] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 67,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0033",
    "depth": 3.0,
    "PO4": 1.32,
    "SiOH4": 30.12,
    "NO3_NO2": 20.03,
    "NO2": 0.08,
    "NH4": 0.18,
    "NO3": 19.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8686, 59.7834] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 67,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0033",
    "depth": 10.0,
    "PO4": 1.39,
    "SiOH4": 29.2,
    "NO3_NO2": 20.13,
    "NO2": 0.08,
    "NH4": 0.15,
    "NO3": 20.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8686, 59.7834] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 67,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0033",
    "depth": 21.0,
    "PO4": 1.4,
    "SiOH4": 28.54,
    "NO3_NO2": 20.23,
    "NO2": 0.07,
    "NH4": 0.15,
    "NO3": 20.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8686, 59.7834] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 67,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0033",
    "depth": 29.0,
    "PO4": 1.43,
    "SiOH4": 27.63,
    "NO3_NO2": 20.57,
    "NO2": 0.07,
    "NH4": 0.16,
    "NO3": 20.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8686, 59.7834] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 67,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0033",
    "depth": 40.0,
    "PO4": 1.41,
    "SiOH4": 26.97,
    "NO3_NO2": 19.9,
    "NO2": 0.07,
    "NH4": 0.09,
    "NO3": 19.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8686, 59.7834] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 67,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0033",
    "depth": 52.0,
    "PO4": 1.48,
    "SiOH4": 26.06,
    "NO3_NO2": 20.01,
    "NO2": 0.07,
    "NH4": 0.13,
    "NO3": 19.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8686, 59.7834] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 67,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0033",
    "depth": 75.0,
    "PO4": 1.46,
    "SiOH4": 25.91,
    "NO3_NO2": 20.11,
    "NO2": 0.06,
    "NH4": 0.09,
    "NO3": 20.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8686, 59.7834] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 67,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0033",
    "depth": 100.0,
    "PO4": 1.44,
    "SiOH4": 24.82,
    "NO3_NO2": 20.33,
    "NO2": 0.06,
    "NH4": 0.1,
    "NO3": 20.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8686, 59.7834] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 67,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0033",
    "depth": 148.0,
    "PO4": 1.46,
    "SiOH4": 23.74,
    "NO3_NO2": 20.37,
    "NO2": 0.06,
    "NH4": 0.1,
    "NO3": 20.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8686, 59.7834] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 67,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0033",
    "depth": 189.0,
    "PO4": 1.59,
    "SiOH4": 24.96,
    "NO3_NO2": 22.25,
    "NO2": 0.03,
    "NH4": 0.1,
    "NO3": 22.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.8502] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 69,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0129",
    "depth": 2.0,
    "PO4": 1.15,
    "SiOH4": 32.8,
    "NO3_NO2": 19.45,
    "NO2": 0.08,
    "NH4": 0.01,
    "NO3": 19.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.8502] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 69,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0129",
    "depth": 10.0,
    "PO4": 1.3,
    "SiOH4": 32.7,
    "NO3_NO2": 19.55,
    "NO2": 0.08,
    "NH4": 0.0,
    "NO3": 19.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.8502] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 69,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0129",
    "depth": 20.0,
    "PO4": 1.32,
    "SiOH4": 32.7,
    "NO3_NO2": 19.59,
    "NO2": 0.08,
    "NH4": 0.03,
    "NO3": 19.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.8502] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 69,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0129",
    "depth": 31.0,
    "PO4": 1.34,
    "SiOH4": 34.31,
    "NO3_NO2": 19.69,
    "NO2": 0.08,
    "NH4": 0.02,
    "NO3": 19.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.8502] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 69,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0129",
    "depth": 41.0,
    "PO4": 1.35,
    "SiOH4": 34.21,
    "NO3_NO2": 19.91,
    "NO2": 0.11,
    "NH4": 0.05,
    "NO3": 19.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.8502] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 69,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0129",
    "depth": 50.0,
    "PO4": 1.39,
    "SiOH4": 34.46,
    "NO3_NO2": 20.24,
    "NO2": 0.11,
    "NH4": 0.04,
    "NO3": 20.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.8502] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 69,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0129",
    "depth": 75.0,
    "PO4": 1.41,
    "SiOH4": 34.79,
    "NO3_NO2": 20.52,
    "NO2": 0.11,
    "NH4": 0.07,
    "NO3": 20.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.8502] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 69,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0129",
    "depth": 99.0,
    "PO4": 1.43,
    "SiOH4": 34.7,
    "NO3_NO2": 21.15,
    "NO2": 0.13,
    "NH4": 0.06,
    "NO3": 21.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.8502] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 69,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0129",
    "depth": 124.0,
    "PO4": 1.46,
    "SiOH4": 34.61,
    "NO3_NO2": 21.13,
    "NO2": 0.13,
    "NH4": 0.12,
    "NO3": 21.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.8502] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 69,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0129",
    "depth": 155.0,
    "PO4": 1.5,
    "SiOH4": 35.54,
    "NO3_NO2": 21.59,
    "NO2": 0.11,
    "NH4": 0.18,
    "NO3": 21.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8667, 59.9088] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 71,
    "stn_id": "CF1",
    "water_depth": 92,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0219",
    "depth": 1.0,
    "PO4": 1.23,
    "SiOH4": 30.93,
    "NO3_NO2": 18.66,
    "NO2": 0.13,
    "NH4": 0.28,
    "NO3": 18.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8667, 59.9088] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 71,
    "stn_id": "CF1",
    "water_depth": 92,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0219",
    "depth": 11.0,
    "PO4": 1.26,
    "SiOH4": 30.83,
    "NO3_NO2": 18.46,
    "NO2": 0.13,
    "NH4": 0.38,
    "NO3": 18.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8667, 59.9088] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 71,
    "stn_id": "CF1",
    "water_depth": 92,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0219",
    "depth": 20.0,
    "PO4": 1.27,
    "SiOH4": 30.74,
    "NO3_NO2": 18.62,
    "NO2": 0.13,
    "NH4": 0.34,
    "NO3": 18.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8667, 59.9088] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 71,
    "stn_id": "CF1",
    "water_depth": 92,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0219",
    "depth": 30.0,
    "PO4": 1.27,
    "SiOH4": 30.73,
    "NO3_NO2": 18.66,
    "NO2": 0.13,
    "NH4": 0.4,
    "NO3": 18.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8667, 59.9088] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 71,
    "stn_id": "CF1",
    "water_depth": 92,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0219",
    "depth": 39.0,
    "PO4": 1.27,
    "SiOH4": 30.81,
    "NO3_NO2": 18.76,
    "NO2": 0.13,
    "NH4": 0.53,
    "NO3": 18.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8667, 59.9088] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 71,
    "stn_id": "CF1",
    "water_depth": 92,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0219",
    "depth": 50.0,
    "PO4": 1.27,
    "SiOH4": 31.06,
    "NO3_NO2": 18.86,
    "NO2": 0.13,
    "NH4": 0.24,
    "NO3": 18.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8667, 59.9088] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 71,
    "stn_id": "CF1",
    "water_depth": 92,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0219",
    "depth": 74.0,
    "PO4": 1.27,
    "SiOH4": 31.64,
    "NO3_NO2": 18.72,
    "NO2": 0.13,
    "NH4": 0.3,
    "NO3": 18.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8667, 59.9088] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 71,
    "stn_id": "CF1",
    "water_depth": 92,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0219",
    "depth": 82.0,
    "PO4": 1.32,
    "SiOH4": 31.98,
    "NO3_NO2": 18.88,
    "NO2": 0.13,
    "NH4": 0.29,
    "NO3": 18.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.598, 60.8409] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "NI1",
    "water_depth": 225,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1604",
    "depth": 2.0,
    "PO4": 1.08,
    "SiOH4": 21.26,
    "NO3_NO2": 14.07,
    "NO2": 0.1,
    "NH4": 0.12,
    "NO3": 13.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.598, 60.8409] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "NI1",
    "water_depth": 225,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1604",
    "depth": 10.0,
    "PO4": 1.23,
    "SiOH4": 21.99,
    "NO3_NO2": 15.16,
    "NO2": 0.1,
    "NH4": 0.21,
    "NO3": 15.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.598, 60.8409] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "NI1",
    "water_depth": 225,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1604",
    "depth": 20.0,
    "PO4": 1.34,
    "SiOH4": 23.08,
    "NO3_NO2": 15.92,
    "NO2": 0.1,
    "NH4": 0.09,
    "NO3": 15.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.598, 60.8409] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "NI1",
    "water_depth": 225,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1604",
    "depth": 30.0,
    "PO4": 1.43,
    "SiOH4": 24.1,
    "NO3_NO2": 16.79,
    "NO2": 0.07,
    "NH4": 0.21,
    "NO3": 16.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.598, 60.8409] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "NI1",
    "water_depth": 225,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1604",
    "depth": 40.0,
    "PO4": 1.47,
    "SiOH4": 24.97,
    "NO3_NO2": 17.39,
    "NO2": 0.07,
    "NH4": 0.24,
    "NO3": 17.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.598, 60.8409] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "NI1",
    "water_depth": 225,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1604",
    "depth": 50.0,
    "PO4": 1.53,
    "SiOH4": 25.56,
    "NO3_NO2": 17.88,
    "NO2": 0.07,
    "NH4": 0.16,
    "NO3": 17.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.598, 60.8409] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "NI1",
    "water_depth": 225,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1604",
    "depth": 76.0,
    "PO4": 1.63,
    "SiOH4": 26.29,
    "NO3_NO2": 18.48,
    "NO2": 0.04,
    "NH4": 0.01,
    "NO3": 18.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.598, 60.8409] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "NI1",
    "water_depth": 225,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1604",
    "depth": 99.0,
    "PO4": 1.65,
    "SiOH4": 27.02,
    "NO3_NO2": 19.3,
    "NO2": 0.04,
    "NH4": 0.04,
    "NO3": 19.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.598, 60.8409] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "NI1",
    "water_depth": 225,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1604",
    "depth": 278.0,
    "PO4": 1.98,
    "SiOH4": 33.97,
    "NO3_NO2": 24.48,
    "NO2": 0.07,
    "NH4": 0.07,
    "NO3": 24.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5678, 60.8085] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 73,
    "stn_id": "NI2",
    "water_depth": 0,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1637",
    "depth": 2.0,
    "PO4": 1.19,
    "SiOH4": 23.75,
    "NO3_NO2": 15.7,
    "NO2": 0.12,
    "NH4": 0.13,
    "NO3": 15.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5678, 60.8085] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 73,
    "stn_id": "NI2",
    "water_depth": 0,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1637",
    "depth": 10.0,
    "PO4": 1.37,
    "SiOH4": 24.91,
    "NO3_NO2": 16.03,
    "NO2": 0.12,
    "NH4": 0.08,
    "NO3": 15.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5678, 60.8085] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 73,
    "stn_id": "NI2",
    "water_depth": 0,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1637",
    "depth": 20.0,
    "PO4": 1.39,
    "SiOH4": 25.36,
    "NO3_NO2": 16.36,
    "NO2": 0.09,
    "NH4": 0.17,
    "NO3": 16.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5678, 60.8085] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 73,
    "stn_id": "NI2",
    "water_depth": 0,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1637",
    "depth": 30.0,
    "PO4": 1.41,
    "SiOH4": 26.09,
    "NO3_NO2": 17.01,
    "NO2": 0.09,
    "NH4": 0.23,
    "NO3": 16.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5678, 60.8085] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 73,
    "stn_id": "NI2",
    "water_depth": 0,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1637",
    "depth": 40.0,
    "PO4": 1.48,
    "SiOH4": 26.82,
    "NO3_NO2": 17.72,
    "NO2": 0.06,
    "NH4": 0.14,
    "NO3": 17.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5678, 60.8085] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 73,
    "stn_id": "NI2",
    "water_depth": 0,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1637",
    "depth": 50.0,
    "PO4": 1.56,
    "SiOH4": 26.69,
    "NO3_NO2": 18.43,
    "NO2": 0.06,
    "NH4": 0.41,
    "NO3": 18.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5678, 60.8085] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 73,
    "stn_id": "NI2",
    "water_depth": 0,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1637",
    "depth": 75.0,
    "PO4": 1.55,
    "SiOH4": 27.7,
    "NO3_NO2": 18.75,
    "NO2": 0.06,
    "NH4": 0.47,
    "NO3": 18.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5678, 60.8085] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 73,
    "stn_id": "NI2",
    "water_depth": 0,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1637",
    "depth": 100.0,
    "PO4": 1.59,
    "SiOH4": 28.0,
    "NO3_NO2": 19.3,
    "NO2": 0.06,
    "NH4": 0.38,
    "NO3": 19.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5678, 60.8085] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 73,
    "stn_id": "NI2",
    "water_depth": 0,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1637",
    "depth": 251.0,
    "PO4": 1.93,
    "SiOH4": 34.24,
    "NO3_NO2": 23.61,
    "NO2": 0.06,
    "NH4": 0.44,
    "NO3": 23.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5678, 60.8085] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 73,
    "stn_id": "NI2",
    "water_depth": 0,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1637",
    "depth": 503.0,
    "PO4": 2.46,
    "SiOH4": 47.07,
    "NO3_NO2": 30.97,
    "NO2": 0.05,
    "NH4": 0.32,
    "NO3": 30.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5264, 60.7745] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 74,
    "stn_id": "NI3",
    "water_depth": 514,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1720",
    "depth": 2.0,
    "PO4": 1.18,
    "SiOH4": 25.12,
    "NO3_NO2": 14.18,
    "NO2": 0.08,
    "NH4": 0.21,
    "NO3": 13.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5264, 60.7745] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 74,
    "stn_id": "NI3",
    "water_depth": 514,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1720",
    "depth": 10.0,
    "PO4": 1.28,
    "SiOH4": 25.84,
    "NO3_NO2": 16.36,
    "NO2": 0.11,
    "NH4": 0.24,
    "NO3": 16.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5264, 60.7745] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 74,
    "stn_id": "NI3",
    "water_depth": 514,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1720",
    "depth": 20.0,
    "PO4": 1.37,
    "SiOH4": 26.56,
    "NO3_NO2": 18.26,
    "NO2": 0.08,
    "NH4": 0.27,
    "NO3": 18.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5264, 60.7745] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 74,
    "stn_id": "NI3",
    "water_depth": 514,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1720",
    "depth": 30.0,
    "PO4": 1.43,
    "SiOH4": 27.13,
    "NO3_NO2": 17.17,
    "NO2": 0.11,
    "NH4": 0.33,
    "NO3": 16.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5264, 60.7745] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 74,
    "stn_id": "NI3",
    "water_depth": 514,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1720",
    "depth": 40.0,
    "PO4": 1.46,
    "SiOH4": 27.28,
    "NO3_NO2": 17.28,
    "NO2": 0.11,
    "NH4": 0.24,
    "NO3": 17.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5264, 60.7745] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 74,
    "stn_id": "NI3",
    "water_depth": 514,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1720",
    "depth": 51.0,
    "PO4": 1.47,
    "SiOH4": 27.71,
    "NO3_NO2": 17.88,
    "NO2": 0.08,
    "NH4": 0.27,
    "NO3": 17.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5264, 60.7745] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 74,
    "stn_id": "NI3",
    "water_depth": 514,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1720",
    "depth": 76.0,
    "PO4": 1.54,
    "SiOH4": 28.5,
    "NO3_NO2": 19.41,
    "NO2": 0.08,
    "NH4": 0.27,
    "NO3": 19.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5264, 60.7745] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 74,
    "stn_id": "NI3",
    "water_depth": 514,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1720",
    "depth": 101.0,
    "PO4": 1.59,
    "SiOH4": 28.72,
    "NO3_NO2": 18.54,
    "NO2": 0.08,
    "NH4": 0.18,
    "NO3": 18.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5264, 60.7745] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 74,
    "stn_id": "NI3",
    "water_depth": 514,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1720",
    "depth": 250.0,
    "PO4": 1.88,
    "SiOH4": 34.45,
    "NO3_NO2": 23.5,
    "NO2": 0.08,
    "NH4": 0.27,
    "NO3": 23.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5264, 60.7745] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 74,
    "stn_id": "NI3",
    "water_depth": 514,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1720",
    "depth": 513.0,
    "PO4": 2.49,
    "SiOH4": 48.33,
    "NO3_NO2": 31.62,
    "NO2": 0.08,
    "NH4": 0.18,
    "NO3": 31.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4998, 60.7407] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 75,
    "stn_id": "NI4",
    "water_depth": 234,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1805",
    "depth": 2.0,
    "PO4": 1.26,
    "SiOH4": 26.44,
    "NO3_NO2": 15.43,
    "NO2": 0.11,
    "NH4": 0.12,
    "NO3": 15.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4998, 60.7407] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 75,
    "stn_id": "NI4",
    "water_depth": 234,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1805",
    "depth": 11.0,
    "PO4": 1.29,
    "SiOH4": 26.73,
    "NO3_NO2": 16.03,
    "NO2": 0.13,
    "NH4": 0.27,
    "NO3": 15.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4998, 60.7407] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 75,
    "stn_id": "NI4",
    "water_depth": 234,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1805",
    "depth": 21.0,
    "PO4": 1.34,
    "SiOH4": 27.09,
    "NO3_NO2": 16.47,
    "NO2": 0.13,
    "NH4": 0.27,
    "NO3": 16.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4998, 60.7407] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 75,
    "stn_id": "NI4",
    "water_depth": 234,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1805",
    "depth": 31.0,
    "PO4": 1.36,
    "SiOH4": 27.31,
    "NO3_NO2": 16.68,
    "NO2": 0.13,
    "NH4": 0.21,
    "NO3": 16.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4998, 60.7407] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 75,
    "stn_id": "NI4",
    "water_depth": 234,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1805",
    "depth": 41.0,
    "PO4": 1.41,
    "SiOH4": 27.82,
    "NO3_NO2": 16.96,
    "NO2": 0.13,
    "NH4": 0.18,
    "NO3": 16.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4998, 60.7407] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 75,
    "stn_id": "NI4",
    "water_depth": 234,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1805",
    "depth": 51.0,
    "PO4": 1.45,
    "SiOH4": 27.75,
    "NO3_NO2": 17.17,
    "NO2": 0.13,
    "NH4": 0.18,
    "NO3": 16.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4998, 60.7407] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 75,
    "stn_id": "NI4",
    "water_depth": 234,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1805",
    "depth": 76.0,
    "PO4": 1.49,
    "SiOH4": 28.04,
    "NO3_NO2": 17.94,
    "NO2": 0.11,
    "NH4": 0.27,
    "NO3": 17.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4998, 60.7407] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 75,
    "stn_id": "NI4",
    "water_depth": 234,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1805",
    "depth": 101.0,
    "PO4": 1.54,
    "SiOH4": 28.18,
    "NO3_NO2": 18.54,
    "NO2": 0.08,
    "NH4": 0.38,
    "NO3": 18.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4998, 60.7407] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 75,
    "stn_id": "NI4",
    "water_depth": 234,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "1805",
    "depth": 288.0,
    "PO4": 1.98,
    "SiOH4": 36.92,
    "NO3_NO2": 24.59,
    "NO2": 0.08,
    "NH4": 0.21,
    "NO3": 24.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7016, 60.1902] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 76,
    "stn_id": "HB1",
    "water_depth": 230,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2136",
    "depth": 2.0,
    "PO4": 1.25,
    "SiOH4": 22.83,
    "NO3_NO2": 16.0,
    "NO2": 0.09,
    "NH4": 0.27,
    "NO3": 15.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7016, 60.1902] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 76,
    "stn_id": "HB1",
    "water_depth": 230,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2136",
    "depth": 10.0,
    "PO4": 1.33,
    "SiOH4": 22.81,
    "NO3_NO2": 16.02,
    "NO2": 0.09,
    "NH4": 0.21,
    "NO3": 15.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7016, 60.1902] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 76,
    "stn_id": "HB1",
    "water_depth": 230,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2136",
    "depth": 20.0,
    "PO4": 1.3,
    "SiOH4": 22.5,
    "NO3_NO2": 15.71,
    "NO2": 0.11,
    "NH4": 0.18,
    "NO3": 15.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7016, 60.1902] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 76,
    "stn_id": "HB1",
    "water_depth": 230,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2136",
    "depth": 31.0,
    "PO4": 1.29,
    "SiOH4": 22.91,
    "NO3_NO2": 15.68,
    "NO2": 0.11,
    "NH4": 0.27,
    "NO3": 15.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7016, 60.1902] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 76,
    "stn_id": "HB1",
    "water_depth": 230,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2136",
    "depth": 41.0,
    "PO4": 1.44,
    "SiOH4": 23.82,
    "NO3_NO2": 17.66,
    "NO2": 0.11,
    "NH4": 0.35,
    "NO3": 17.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7016, 60.1902] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 76,
    "stn_id": "HB1",
    "water_depth": 230,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2136",
    "depth": 51.0,
    "PO4": 1.46,
    "SiOH4": 23.87,
    "NO3_NO2": 18.12,
    "NO2": 0.13,
    "NH4": 0.24,
    "NO3": 17.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7016, 60.1902] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 76,
    "stn_id": "HB1",
    "water_depth": 230,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2136",
    "depth": 74.0,
    "PO4": 1.51,
    "SiOH4": 24.07,
    "NO3_NO2": 19.01,
    "NO2": 0.08,
    "NH4": 0.21,
    "NO3": 18.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7016, 60.1902] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 76,
    "stn_id": "HB1",
    "water_depth": 230,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2136",
    "depth": 100.0,
    "PO4": 1.61,
    "SiOH4": 25.69,
    "NO3_NO2": 19.79,
    "NO2": 0.08,
    "NH4": 0.18,
    "NO3": 19.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7016, 60.1902] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 76,
    "stn_id": "HB1",
    "water_depth": 230,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2136",
    "depth": 235.0,
    "PO4": 2.05,
    "SiOH4": 34.69,
    "NO3_NO2": 24.99,
    "NO2": 0.18,
    "NH4": 0.3,
    "NO3": 24.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6416, 60.1803] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 77,
    "stn_id": "HB2",
    "water_depth": 178,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2208",
    "depth": 2.0,
    "PO4": 1.28,
    "SiOH4": 23.86,
    "NO3_NO2": 17.0,
    "NO2": 0.18,
    "NH4": 0.3,
    "NO3": 16.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6416, 60.1803] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 77,
    "stn_id": "HB2",
    "water_depth": 178,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2208",
    "depth": 11.0,
    "PO4": 1.35,
    "SiOH4": 23.99,
    "NO3_NO2": 17.62,
    "NO2": 0.15,
    "NH4": 0.27,
    "NO3": 17.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6416, 60.1803] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 77,
    "stn_id": "HB2",
    "water_depth": 178,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2208",
    "depth": 20.0,
    "PO4": 1.34,
    "SiOH4": 24.11,
    "NO3_NO2": 18.94,
    "NO2": 0.12,
    "NH4": 0.33,
    "NO3": 18.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6416, 60.1803] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 77,
    "stn_id": "HB2",
    "water_depth": 178,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2208",
    "depth": 30.0,
    "PO4": 1.33,
    "SiOH4": 23.73,
    "NO3_NO2": 18.75,
    "NO2": 0.12,
    "NH4": 0.15,
    "NO3": 18.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6416, 60.1803] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 77,
    "stn_id": "HB2",
    "water_depth": 178,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2208",
    "depth": 41.0,
    "PO4": 1.6,
    "SiOH4": 23.71,
    "NO3_NO2": 18.98,
    "NO2": 0.12,
    "NH4": 0.15,
    "NO3": 18.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6416, 60.1803] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 77,
    "stn_id": "HB2",
    "water_depth": 178,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2208",
    "depth": 50.0,
    "PO4": 1.63,
    "SiOH4": 24.34,
    "NO3_NO2": 19.55,
    "NO2": 0.11,
    "NH4": 0.18,
    "NO3": 19.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6416, 60.1803] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 77,
    "stn_id": "HB2",
    "water_depth": 178,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2208",
    "depth": 75.0,
    "PO4": 1.67,
    "SiOH4": 25.32,
    "NO3_NO2": 20.39,
    "NO2": 0.09,
    "NH4": 0.21,
    "NO3": 20.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6416, 60.1803] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 77,
    "stn_id": "HB2",
    "water_depth": 178,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2208",
    "depth": 99.0,
    "PO4": 1.85,
    "SiOH4": 27.23,
    "NO3_NO2": 22.1,
    "NO2": 0.06,
    "NH4": 0.24,
    "NO3": 22.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6416, 60.1803] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 77,
    "stn_id": "HB2",
    "water_depth": 178,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2208",
    "depth": 174.0,
    "PO4": 1.94,
    "SiOH4": 30.07,
    "NO3_NO2": 23.53,
    "NO2": 0.05,
    "NH4": 0.33,
    "NO3": 23.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.575, 60.1653] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 78,
    "stn_id": "HB3",
    "water_depth": 89,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2238",
    "depth": 2.0,
    "PO4": 1.45,
    "SiOH4": 22.78,
    "NO3_NO2": 14.76,
    "NO2": 0.11,
    "NH4": 0.51,
    "NO3": 14.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.575, 60.1653] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 78,
    "stn_id": "HB3",
    "water_depth": 89,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2238",
    "depth": 11.0,
    "PO4": 1.55,
    "SiOH4": 23.15,
    "NO3_NO2": 14.67,
    "NO2": 0.11,
    "NH4": 0.45,
    "NO3": 14.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.575, 60.1653] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 78,
    "stn_id": "HB3",
    "water_depth": 89,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2238",
    "depth": 20.0,
    "PO4": 1.44,
    "SiOH4": 24.31,
    "NO3_NO2": 16.17,
    "NO2": 0.12,
    "NH4": 0.45,
    "NO3": 16.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.575, 60.1653] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 78,
    "stn_id": "HB3",
    "water_depth": 89,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2238",
    "depth": 30.0,
    "PO4": 1.48,
    "SiOH4": 25.11,
    "NO3_NO2": 16.79,
    "NO2": 0.12,
    "NH4": 0.43,
    "NO3": 16.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.575, 60.1653] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 78,
    "stn_id": "HB3",
    "water_depth": 89,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2238",
    "depth": 40.0,
    "PO4": 1.55,
    "SiOH4": 25.77,
    "NO3_NO2": 17.19,
    "NO2": 0.12,
    "NH4": 0.46,
    "NO3": 17.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.575, 60.1653] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 78,
    "stn_id": "HB3",
    "water_depth": 89,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2238",
    "depth": 51.0,
    "PO4": 1.65,
    "SiOH4": 26.14,
    "NO3_NO2": 18.25,
    "NO2": 0.12,
    "NH4": 0.46,
    "NO3": 18.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.575, 60.1653] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 78,
    "stn_id": "HB3",
    "water_depth": 89,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2238",
    "depth": 85.0,
    "PO4": 1.56,
    "SiOH4": 27.37,
    "NO3_NO2": 19.74,
    "NO2": 0.1,
    "NH4": 0.53,
    "NO3": 19.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5029, 60.1491] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 79,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2305",
    "depth": 2.0,
    "PO4": 1.14,
    "SiOH4": 23.38,
    "NO3_NO2": 15.56,
    "NO2": 0.15,
    "NH4": 0.41,
    "NO3": 15.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5029, 60.1491] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 79,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2305",
    "depth": 10.0,
    "PO4": 1.24,
    "SiOH4": 23.68,
    "NO3_NO2": 15.96,
    "NO2": 0.13,
    "NH4": 0.41,
    "NO3": 15.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5029, 60.1491] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 79,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2305",
    "depth": 20.0,
    "PO4": 1.36,
    "SiOH4": 25.05,
    "NO3_NO2": 17.51,
    "NO2": 0.13,
    "NH4": 0.44,
    "NO3": 17.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5029, 60.1491] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 79,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2305",
    "depth": 30.0,
    "PO4": 1.43,
    "SiOH4": 25.78,
    "NO3_NO2": 18.19,
    "NO2": 0.16,
    "NH4": 0.45,
    "NO3": 18.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5029, 60.1491] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 79,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2305",
    "depth": 40.0,
    "PO4": 1.42,
    "SiOH4": 26.15,
    "NO3_NO2": 18.53,
    "NO2": 0.14,
    "NH4": 0.42,
    "NO3": 18.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5029, 60.1491] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 79,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2305",
    "depth": 75.0,
    "PO4": 1.56,
    "SiOH4": 28.24,
    "NO3_NO2": 20.14,
    "NO2": 0.11,
    "NH4": 0.31,
    "NO3": 20.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5029, 60.1491] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 79,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2305",
    "depth": 101.0,
    "PO4": 1.65,
    "SiOH4": 29.25,
    "NO3_NO2": 20.7,
    "NO2": 0.14,
    "NH4": 0.4,
    "NO3": 20.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4496, 60.1343] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 80,
    "stn_id": "HB5",
    "water_depth": 40,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2328",
    "depth": 2.0,
    "PO4": 1.28,
    "SiOH4": 25.48,
    "NO3_NO2": 17.34,
    "NO2": 0.15,
    "NH4": 0.37,
    "NO3": 17.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4496, 60.1343] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 80,
    "stn_id": "HB5",
    "water_depth": 40,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2328",
    "depth": 10.0,
    "PO4": 1.37,
    "SiOH4": 25.85,
    "NO3_NO2": 17.91,
    "NO2": 0.12,
    "NH4": 0.28,
    "NO3": 17.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4496, 60.1343] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 80,
    "stn_id": "HB5",
    "water_depth": 40,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2328",
    "depth": 21.0,
    "PO4": 1.41,
    "SiOH4": 26.58,
    "NO3_NO2": 18.91,
    "NO2": 0.12,
    "NH4": 0.26,
    "NO3": 18.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4496, 60.1343] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 80,
    "stn_id": "HB5",
    "water_depth": 40,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2328",
    "depth": 31.0,
    "PO4": 1.53,
    "SiOH4": 26.73,
    "NO3_NO2": 19.75,
    "NO2": 0.13,
    "NH4": 0.29,
    "NO3": 19.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4496, 60.1343] },
  "properties": {
    "cruise_id": "HX228",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 80,
    "stn_id": "HB5",
    "water_depth": 40,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "2328",
    "depth": 37.0,
    "PO4": 1.54,
    "SiOH4": 26.67,
    "NO3_NO2": 20.81,
    "NO2": 0.13,
    "NH4": 0.26,
    "NO3": 20.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3601, 60.0246] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 297,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "1754",
    "depth": 0.0,
    "PO4": 0.43,
    "SiOH4": 1.36,
    "NO3_NO2": 0.34,
    "NO2": 0.08,
    "NH4": 0.29,
    "NO3": 0.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3601, 60.0246] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 297,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "1754",
    "depth": 20.0,
    "PO4": 0.59,
    "SiOH4": 5.37,
    "NO3_NO2": 5.1,
    "NO2": 0.13,
    "NH4": 0.58,
    "NO3": 4.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3601, 60.0246] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 297,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "1754",
    "depth": 30.0,
    "PO4": 0.83,
    "SiOH4": 9.59,
    "NO3_NO2": 8.41,
    "NO2": 0.18,
    "NH4": 0.85,
    "NO3": 8.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3601, 60.0246] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 297,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "1754",
    "depth": 40.0,
    "PO4": 0.93,
    "SiOH4": 13.04,
    "NO3_NO2": 10.16,
    "NO2": 0.18,
    "NH4": 1.2,
    "NO3": 9.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3601, 60.0246] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 297,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "1754",
    "depth": 50.0,
    "PO4": 1.12,
    "SiOH4": 14.35,
    "NO3_NO2": 11.65,
    "NO2": 0.21,
    "NH4": 0.99,
    "NO3": 11.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3601, 60.0246] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 297,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "1754",
    "depth": 75.0,
    "PO4": 1.3,
    "SiOH4": 20.14,
    "NO3_NO2": 14.81,
    "NO2": 0.23,
    "NH4": 0.93,
    "NO3": 14.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3601, 60.0246] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 297,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "1754",
    "depth": 100.0,
    "PO4": 1.49,
    "SiOH4": 26.14,
    "NO3_NO2": 18.38,
    "NO2": 0.16,
    "NH4": 0.12,
    "NO3": 18.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3601, 60.0246] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 297,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "1754",
    "depth": 150.0,
    "PO4": 1.65,
    "SiOH4": 28.94,
    "NO3_NO2": 20.28,
    "NO2": 0.13,
    "NH4": 0.19,
    "NO3": 20.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3601, 60.0246] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 297,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "1754",
    "depth": 200.0,
    "PO4": 1.78,
    "SiOH4": 30.9,
    "NO3_NO2": 21.83,
    "NO2": 0.13,
    "NH4": 0.18,
    "NO3": 21.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3601, 60.0246] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 297,
    "month_gmt": "4",
    "day_gmt": "18",
    "time_gmt": "1754",
    "depth": 250.0,
    "PO4": 2.18,
    "SiOH4": 37.18,
    "NO3_NO2": 25.81,
    "NO2": 0.13,
    "NH4": 0.25,
    "NO3": 25.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7937, 58.0997] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2087,
    "month_gmt": "4",
    "day_gmt": "19",
    "time_gmt": "1425",
    "depth": 0.0,
    "PO4": 1.26,
    "SiOH4": 19.91,
    "NO3_NO2": 15.22,
    "NO2": 0.05,
    "NH4": 0.21,
    "NO3": 15.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7937, 58.0997] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2087,
    "month_gmt": "4",
    "day_gmt": "19",
    "time_gmt": "1425",
    "depth": 10.0,
    "PO4": 1.27,
    "SiOH4": 19.88,
    "NO3_NO2": 15.26,
    "NO2": 0.05,
    "NH4": 0.18,
    "NO3": 15.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7937, 58.0997] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2087,
    "month_gmt": "4",
    "day_gmt": "19",
    "time_gmt": "1425",
    "depth": 20.0,
    "PO4": 1.31,
    "SiOH4": 20.49,
    "NO3_NO2": 15.46,
    "NO2": 0.08,
    "NH4": 0.17,
    "NO3": 15.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7937, 58.0997] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2087,
    "month_gmt": "4",
    "day_gmt": "19",
    "time_gmt": "1425",
    "depth": 30.0,
    "PO4": 1.36,
    "SiOH4": 21.31,
    "NO3_NO2": 17.1,
    "NO2": 0.08,
    "NH4": 0.28,
    "NO3": 17.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7937, 58.0997] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2087,
    "month_gmt": "4",
    "day_gmt": "19",
    "time_gmt": "1425",
    "depth": 40.0,
    "PO4": 1.49,
    "SiOH4": 22.27,
    "NO3_NO2": 17.92,
    "NO2": 0.1,
    "NH4": 0.33,
    "NO3": 17.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7937, 58.0997] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2087,
    "month_gmt": "4",
    "day_gmt": "19",
    "time_gmt": "1425",
    "depth": 50.0,
    "PO4": 1.52,
    "SiOH4": 24.23,
    "NO3_NO2": 19.16,
    "NO2": 0.1,
    "NH4": 0.34,
    "NO3": 19.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7937, 58.0997] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2087,
    "month_gmt": "4",
    "day_gmt": "19",
    "time_gmt": "1425",
    "depth": 100.0,
    "PO4": 2.22,
    "SiOH4": 41.36,
    "NO3_NO2": 31.54,
    "NO2": 0.08,
    "NH4": 0.18,
    "NO3": 31.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7937, 58.0997] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2087,
    "month_gmt": "4",
    "day_gmt": "19",
    "time_gmt": "1425",
    "depth": 250.0,
    "PO4": 3.12,
    "SiOH4": null,
    "NO3_NO2": 44.13,
    "NO2": 0.08,
    "NH4": 0.14,
    "NO3": 44.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7937, 58.0997] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2087,
    "month_gmt": "4",
    "day_gmt": "19",
    "time_gmt": "1425",
    "depth": 500.0,
    "PO4": 3.41,
    "SiOH4": null,
    "NO3_NO2": 46.15,
    "NO2": 0.05,
    "NH4": 0.18,
    "NO3": 46.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7937, 58.0997] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2087,
    "month_gmt": "4",
    "day_gmt": "19",
    "time_gmt": "1425",
    "depth": 1000.0,
    "PO4": 3.48,
    "SiOH4": null,
    "NO3_NO2": 47.79,
    "NO2": 0.05,
    "NH4": 0.22,
    "NO3": 47.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7937, 58.0997] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2087,
    "month_gmt": "4",
    "day_gmt": "19",
    "time_gmt": "1425",
    "depth": 1500.0,
    "PO4": 3.43,
    "SiOH4": null,
    "NO3_NO2": 47.26,
    "NO2": 0.05,
    "NH4": 0.32,
    "NO3": 47.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4691, 59.8452] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "20",
    "time_gmt": "1502",
    "depth": 0.0,
    "PO4": 0.24,
    "SiOH4": 1.76,
    "NO3_NO2": 1.59,
    "NO2": 0.1,
    "NH4": 1.01,
    "NO3": 1.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4691, 59.8452] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "20",
    "time_gmt": "1502",
    "depth": 5.0,
    "PO4": 0.38,
    "SiOH4": 1.68,
    "NO3_NO2": 1.62,
    "NO2": 0.13,
    "NH4": 1.02,
    "NO3": 1.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4691, 59.8452] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "20",
    "time_gmt": "1502",
    "depth": 10.0,
    "PO4": 0.4,
    "SiOH4": 1.68,
    "NO3_NO2": 0.82,
    "NO2": 0.26,
    "NH4": 0.94,
    "NO3": 0.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4691, 59.8452] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "20",
    "time_gmt": "1502",
    "depth": 20.0,
    "PO4": 0.48,
    "SiOH4": 1.67,
    "NO3_NO2": 0.8,
    "NO2": 0.13,
    "NH4": 1.03,
    "NO3": 0.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4691, 59.8452] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "20",
    "time_gmt": "1502",
    "depth": 30.0,
    "PO4": 0.63,
    "SiOH4": 2.08,
    "NO3_NO2": 1.72,
    "NO2": 0.13,
    "NH4": 1.12,
    "NO3": 1.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4691, 59.8452] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "20",
    "time_gmt": "1502",
    "depth": 50.0,
    "PO4": 0.57,
    "SiOH4": 3.0,
    "NO3_NO2": 2.01,
    "NO2": 0.13,
    "NH4": 0.9,
    "NO3": 1.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4691, 59.8452] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "20",
    "time_gmt": "1502",
    "depth": 100.0,
    "PO4": 0.78,
    "SiOH4": 10.08,
    "NO3_NO2": 7.38,
    "NO2": 0.16,
    "NH4": 1.79,
    "NO3": 7.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4691, 59.8452] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "20",
    "time_gmt": "1502",
    "depth": 250.0,
    "PO4": 1.71,
    "SiOH4": 30.35,
    "NO3_NO2": 22.41,
    "NO2": 0.21,
    "NH4": 0.68,
    "NO3": 22.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4691, 59.8452] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "20",
    "time_gmt": "1502",
    "depth": 265.0,
    "PO4": 1.8,
    "SiOH4": 31.98,
    "NO3_NO2": 23.11,
    "NO2": 0.18,
    "NH4": 0.77,
    "NO3": 22.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4683, 59.8457] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "20",
    "time_gmt": "1558",
    "depth": 0.0,
    "PO4": 0.28,
    "SiOH4": 1.4,
    "NO3_NO2": 0.32,
    "NO2": 0.16,
    "NH4": 0.78,
    "NO3": 0.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4683, 59.8457] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "20",
    "time_gmt": "1558",
    "depth": 3.0,
    "PO4": 0.58,
    "SiOH4": 1.53,
    "NO3_NO2": 0.36,
    "NO2": 0.13,
    "NH4": 0.62,
    "NO3": 0.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4683, 59.8457] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "20",
    "time_gmt": "1558",
    "depth": 5.0,
    "PO4": 0.38,
    "SiOH4": 1.52,
    "NO3_NO2": 1.43,
    "NO2": 0.13,
    "NH4": 0.43,
    "NO3": 1.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4683, 59.8457] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "20",
    "time_gmt": "1558",
    "depth": 8.0,
    "PO4": 0.36,
    "SiOH4": 1.44,
    "NO3_NO2": 1.46,
    "NO2": 0.16,
    "NH4": 0.29,
    "NO3": 1.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4683, 59.8457] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "20",
    "time_gmt": "1558",
    "depth": 12.0,
    "PO4": 0.46,
    "SiOH4": 1.72,
    "NO3_NO2": 1.49,
    "NO2": 0.21,
    "NH4": 0.3,
    "NO3": 1.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4683, 59.8457] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "20",
    "time_gmt": "1558",
    "depth": 18.0,
    "PO4": 0.49,
    "SiOH4": 1.85,
    "NO3_NO2": 1.78,
    "NO2": 0.05,
    "NH4": 0.6,
    "NO3": 1.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3986, 59.7665] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "4",
    "day_gmt": "20",
    "time_gmt": "1711",
    "depth": 0.0,
    "PO4": 0.72,
    "SiOH4": 7.64,
    "NO3_NO2": 5.46,
    "NO2": 0.14,
    "NH4": 0.44,
    "NO3": 5.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3986, 59.7665] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "4",
    "day_gmt": "20",
    "time_gmt": "1711",
    "depth": 10.0,
    "PO4": 0.85,
    "SiOH4": 9.23,
    "NO3_NO2": 7.49,
    "NO2": 0.16,
    "NH4": 0.4,
    "NO3": 7.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3986, 59.7665] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "4",
    "day_gmt": "20",
    "time_gmt": "1711",
    "depth": 20.0,
    "PO4": 1.01,
    "SiOH4": 16.63,
    "NO3_NO2": 11.08,
    "NO2": 0.24,
    "NH4": 0.32,
    "NO3": 10.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3986, 59.7665] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "4",
    "day_gmt": "20",
    "time_gmt": "1711",
    "depth": 30.0,
    "PO4": 1.3,
    "SiOH4": 21.76,
    "NO3_NO2": 14.2,
    "NO2": 0.28,
    "NH4": 0.28,
    "NO3": 13.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3986, 59.7665] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "4",
    "day_gmt": "20",
    "time_gmt": "1711",
    "depth": 40.0,
    "PO4": 1.36,
    "SiOH4": 25.69,
    "NO3_NO2": 16.59,
    "NO2": 0.36,
    "NH4": 0.36,
    "NO3": 16.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3986, 59.7665] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "4",
    "day_gmt": "20",
    "time_gmt": "1711",
    "depth": 50.0,
    "PO4": 1.4,
    "SiOH4": 26.49,
    "NO3_NO2": 16.96,
    "NO2": 0.38,
    "NH4": 0.39,
    "NO3": 16.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3986, 59.7665] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "4",
    "day_gmt": "20",
    "time_gmt": "1711",
    "depth": 75.0,
    "PO4": 1.39,
    "SiOH4": 27.3,
    "NO3_NO2": 17.38,
    "NO2": 0.34,
    "NH4": 0.39,
    "NO3": 17.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3986, 59.7665] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "4",
    "day_gmt": "20",
    "time_gmt": "1711",
    "depth": 100.0,
    "PO4": 1.49,
    "SiOH4": 27.96,
    "NO3_NO2": 18.27,
    "NO2": 0.29,
    "NH4": 0.42,
    "NO3": 17.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3986, 59.7665] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "4",
    "day_gmt": "20",
    "time_gmt": "1711",
    "depth": 150.0,
    "PO4": 1.54,
    "SiOH4": 28.84,
    "NO3_NO2": 19.0,
    "NO2": 0.15,
    "NH4": 0.07,
    "NO3": 18.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3986, 59.7665] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "4",
    "day_gmt": "20",
    "time_gmt": "1711",
    "depth": 200.0,
    "PO4": 1.62,
    "SiOH4": 29.36,
    "NO3_NO2": 20.36,
    "NO2": 0.17,
    "NH4": 0.08,
    "NO3": 20.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3986, 59.7665] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "4",
    "day_gmt": "20",
    "time_gmt": "1711",
    "depth": 256.0,
    "PO4": 1.86,
    "SiOH4": 33.64,
    "NO3_NO2": 22.91,
    "NO2": 0.19,
    "NH4": 0.18,
    "NO3": 22.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9275, 59.9552] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "MS1",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "0020",
    "depth": 0.0,
    "PO4": 0.49,
    "SiOH4": 5.73,
    "NO3_NO2": 4.03,
    "NO2": 0.13,
    "NH4": 0.42,
    "NO3": 3.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9275, 59.9552] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "MS1",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "0020",
    "depth": 10.0,
    "PO4": 0.63,
    "SiOH4": 5.68,
    "NO3_NO2": 4.66,
    "NO2": 0.15,
    "NH4": 0.37,
    "NO3": 4.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9275, 59.9552] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "MS1",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "0020",
    "depth": 20.0,
    "PO4": 0.59,
    "SiOH4": 5.28,
    "NO3_NO2": 4.36,
    "NO2": 0.15,
    "NH4": 0.66,
    "NO3": 4.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9275, 59.9552] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "MS1",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "0020",
    "depth": 30.0,
    "PO4": 0.55,
    "SiOH4": 4.88,
    "NO3_NO2": 3.9,
    "NO2": 0.14,
    "NH4": 0.64,
    "NO3": 3.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9275, 59.9552] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "MS1",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "0020",
    "depth": 40.0,
    "PO4": 0.61,
    "SiOH4": 4.2,
    "NO3_NO2": 3.28,
    "NO2": 0.13,
    "NH4": 0.56,
    "NO3": 3.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9275, 59.9552] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "MS1",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "0020",
    "depth": 50.0,
    "PO4": 0.79,
    "SiOH4": 7.34,
    "NO3_NO2": 5.83,
    "NO2": 0.21,
    "NH4": 0.77,
    "NO3": 5.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9275, 59.9552] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "MS1",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "0020",
    "depth": 75.0,
    "PO4": 1.23,
    "SiOH4": 19.0,
    "NO3_NO2": 13.15,
    "NO2": 0.25,
    "NH4": 0.83,
    "NO3": 12.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9275, 59.9552] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "MS1",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "0020",
    "depth": 100.0,
    "PO4": 1.46,
    "SiOH4": 28.6,
    "NO3_NO2": 18.14,
    "NO2": 0.27,
    "NH4": 0.32,
    "NO3": 17.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9275, 59.9552] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "MS1",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "0020",
    "depth": 165.0,
    "PO4": 1.67,
    "SiOH4": 32.1,
    "NO3_NO2": 20.59,
    "NO2": 0.21,
    "NH4": 0.15,
    "NO3": 20.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8906, 59.9434] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "MS2",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "0054",
    "depth": 0.0,
    "PO4": 0.37,
    "SiOH4": 16.58,
    "NO3_NO2": 11.73,
    "NO2": 0.14,
    "NH4": 0.2,
    "NO3": 11.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8906, 59.9434] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "MS2",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "0054",
    "depth": 10.0,
    "PO4": 0.46,
    "SiOH4": 16.39,
    "NO3_NO2": 11.33,
    "NO2": 0.13,
    "NH4": 0.32,
    "NO3": 11.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8906, 59.9434] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "MS2",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "0054",
    "depth": 20.0,
    "PO4": 0.45,
    "SiOH4": 14.13,
    "NO3_NO2": 10.48,
    "NO2": 0.09,
    "NH4": 0.38,
    "NO3": 10.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8906, 59.9434] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "MS2",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "0054",
    "depth": 30.0,
    "PO4": 0.46,
    "SiOH4": 12.68,
    "NO3_NO2": 10.25,
    "NO2": 0.1,
    "NH4": 0.61,
    "NO3": 10.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8906, 59.9434] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "MS2",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "0054",
    "depth": 40.0,
    "PO4": 0.64,
    "SiOH4": 11.16,
    "NO3_NO2": 10.95,
    "NO2": 0.09,
    "NH4": 1.4,
    "NO3": 10.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8906, 59.9434] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "MS2",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "0054",
    "depth": 50.0,
    "PO4": 0.86,
    "SiOH4": 18.19,
    "NO3_NO2": 15.38,
    "NO2": 0.11,
    "NH4": 1.23,
    "NO3": 15.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8906, 59.9434] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "MS2",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "0054",
    "depth": 75.0,
    "PO4": 1.06,
    "SiOH4": 24.89,
    "NO3_NO2": 20.21,
    "NO2": 0.12,
    "NH4": 0.62,
    "NO3": 20.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8906, 59.9434] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "MS2",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "0054",
    "depth": 100.0,
    "PO4": 1.22,
    "SiOH4": 26.75,
    "NO3_NO2": 21.6,
    "NO2": 0.18,
    "NH4": 0.29,
    "NO3": 21.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8906, 59.9434] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "MS2",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "0054",
    "depth": 192.0,
    "PO4": 1.49,
    "SiOH4": 31.59,
    "NO3_NO2": 25.63,
    "NO2": 0.02,
    "NH4": 0.1,
    "NO3": 25.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8562, 59.933] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "MS3",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "0130",
    "depth": 0.0,
    "PO4": 0.75,
    "SiOH4": 19.53,
    "NO3_NO2": 13.85,
    "NO2": 0.16,
    "NH4": 0.55,
    "NO3": 13.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8562, 59.933] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "MS3",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "0130",
    "depth": 10.0,
    "PO4": 0.84,
    "SiOH4": 19.27,
    "NO3_NO2": 14.26,
    "NO2": 0.17,
    "NH4": 0.47,
    "NO3": 14.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8562, 59.933] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "MS3",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "0130",
    "depth": 20.0,
    "PO4": 0.76,
    "SiOH4": 17.22,
    "NO3_NO2": 12.54,
    "NO2": 0.16,
    "NH4": 0.47,
    "NO3": 12.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8562, 59.933] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "MS3",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "0130",
    "depth": 30.0,
    "PO4": 0.71,
    "SiOH4": 10.92,
    "NO3_NO2": 9.73,
    "NO2": 0.05,
    "NH4": 0.87,
    "NO3": 9.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8562, 59.933] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "MS3",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "0130",
    "depth": 40.0,
    "PO4": 0.97,
    "SiOH4": 15.9,
    "NO3_NO2": 14.8,
    "NO2": 0.11,
    "NH4": 1.24,
    "NO3": 14.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8562, 59.933] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "MS3",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "0130",
    "depth": 50.0,
    "PO4": 1.16,
    "SiOH4": 20.54,
    "NO3_NO2": 16.99,
    "NO2": 0.12,
    "NH4": 0.91,
    "NO3": 16.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8562, 59.933] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "MS3",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "0130",
    "depth": 75.0,
    "PO4": 1.29,
    "SiOH4": 24.52,
    "NO3_NO2": 19.92,
    "NO2": 0.11,
    "NH4": 0.35,
    "NO3": 19.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8562, 59.933] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "MS3",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "0130",
    "depth": 100.0,
    "PO4": 1.36,
    "SiOH4": 26.38,
    "NO3_NO2": 21.31,
    "NO2": 0.07,
    "NH4": 0.08,
    "NO3": 21.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8562, 59.933] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "MS3",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "0130",
    "depth": 169.0,
    "PO4": 1.57,
    "SiOH4": 29.37,
    "NO3_NO2": 23.67,
    "NO2": 0.04,
    "NH4": 0.05,
    "NO3": 23.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.83, 59.92] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "MS4",
    "water_depth": 113,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "0159",
    "depth": 10.0,
    "PO4": 1.09,
    "SiOH4": 22.4,
    "NO3_NO2": 15.74,
    "NO2": 0.04,
    "NH4": 0.43,
    "NO3": 15.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.83, 59.92] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "MS4",
    "water_depth": 113,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "0159",
    "depth": 20.0,
    "PO4": 1.17,
    "SiOH4": 23.78,
    "NO3_NO2": 16.41,
    "NO2": 0.04,
    "NH4": 0.62,
    "NO3": 16.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.83, 59.92] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "MS4",
    "water_depth": 113,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "0159",
    "depth": 30.0,
    "PO4": 1.17,
    "SiOH4": 22.96,
    "NO3_NO2": 16.29,
    "NO2": 0.03,
    "NH4": 0.79,
    "NO3": 16.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.83, 59.92] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "MS4",
    "water_depth": 113,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "0159",
    "depth": 40.0,
    "PO4": 1.25,
    "SiOH4": 21.72,
    "NO3_NO2": 17.13,
    "NO2": 0.06,
    "NH4": 0.88,
    "NO3": 17.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.83, 59.92] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "MS4",
    "water_depth": 113,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "0159",
    "depth": 50.0,
    "PO4": 1.39,
    "SiOH4": 24.69,
    "NO3_NO2": 19.86,
    "NO2": 0.05,
    "NH4": 0.34,
    "NO3": 19.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.83, 59.92] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "MS4",
    "water_depth": 113,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "0159",
    "depth": 75.0,
    "PO4": 1.48,
    "SiOH4": 26.46,
    "NO3_NO2": 20.88,
    "NO2": 0.05,
    "NH4": 0.23,
    "NO3": 20.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.83, 59.92] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "MS4",
    "water_depth": 113,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "0159",
    "depth": 100.0,
    "PO4": 1.35,
    "SiOH4": 28.23,
    "NO3_NO2": 21.95,
    "NO2": 0.04,
    "NH4": 0.43,
    "NO3": 21.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9892, 60.2763] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "KIP2",
    "water_depth": 586,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "1605",
    "depth": 0.0,
    "PO4": 0.47,
    "SiOH4": 4.14,
    "NO3_NO2": 3.55,
    "NO2": 0.01,
    "NH4": 0.65,
    "NO3": 3.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9892, 60.2763] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "KIP2",
    "water_depth": 586,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "1605",
    "depth": 10.0,
    "PO4": 0.63,
    "SiOH4": 7.37,
    "NO3_NO2": 6.51,
    "NO2": 0.01,
    "NH4": 0.85,
    "NO3": 6.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9892, 60.2763] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "KIP2",
    "water_depth": 586,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "1605",
    "depth": 20.0,
    "PO4": 0.87,
    "SiOH4": 12.33,
    "NO3_NO2": 9.93,
    "NO2": 0.01,
    "NH4": 1.14,
    "NO3": 9.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9892, 60.2763] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "KIP2",
    "water_depth": 586,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "1605",
    "depth": 30.0,
    "PO4": 1.08,
    "SiOH4": 18.48,
    "NO3_NO2": 13.97,
    "NO2": 0.03,
    "NH4": 1.11,
    "NO3": 13.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9892, 60.2763] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "KIP2",
    "water_depth": 586,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "1605",
    "depth": 40.0,
    "PO4": 1.2,
    "SiOH4": 21.51,
    "NO3_NO2": 16.24,
    "NO2": 0.07,
    "NH4": 1.02,
    "NO3": 16.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9892, 60.2763] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "KIP2",
    "water_depth": 586,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "1605",
    "depth": 50.0,
    "PO4": 1.29,
    "SiOH4": 22.88,
    "NO3_NO2": 17.54,
    "NO2": 0.12,
    "NH4": 0.68,
    "NO3": 17.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9892, 60.2763] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "KIP2",
    "water_depth": 586,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "1605",
    "depth": 100.0,
    "PO4": 1.41,
    "SiOH4": 26.44,
    "NO3_NO2": 21.02,
    "NO2": 0.12,
    "NH4": 0.2,
    "NO3": 20.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9892, 60.2763] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "KIP2",
    "water_depth": 586,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "1605",
    "depth": 250.0,
    "PO4": 1.76,
    "SiOH4": 32.66,
    "NO3_NO2": 26.03,
    "NO2": 0.01,
    "NH4": 0.17,
    "NO3": 26.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9892, 60.2763] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "KIP2",
    "water_depth": 586,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "1605",
    "depth": 575.0,
    "PO4": 1.94,
    "SiOH4": 36.88,
    "NO3_NO2": 28.36,
    "NO2": 0.03,
    "NH4": 0.43,
    "NO3": 28.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9867, 60.2781] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "KIP2",
    "water_depth": 586,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "1643",
    "depth": 0.0,
    "PO4": 0.5,
    "SiOH4": 3.0,
    "NO3_NO2": 2.14,
    "NO2": 0.01,
    "NH4": 0.65,
    "NO3": 2.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9867, 60.2781] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "KIP2",
    "water_depth": 586,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "1643",
    "depth": 3.0,
    "PO4": 0.54,
    "SiOH4": 3.05,
    "NO3_NO2": 2.81,
    "NO2": 0.0,
    "NH4": 0.73,
    "NO3": 2.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9867, 60.2781] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "KIP2",
    "water_depth": 586,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "1643",
    "depth": 6.0,
    "PO4": 0.48,
    "SiOH4": 3.82,
    "NO3_NO2": 3.71,
    "NO2": 0.0,
    "NH4": 0.87,
    "NO3": 3.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9867, 60.2781] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "KIP2",
    "water_depth": 586,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "1643",
    "depth": 10.0,
    "PO4": 0.53,
    "SiOH4": 4.33,
    "NO3_NO2": 4.27,
    "NO2": 0.04,
    "NH4": 1.04,
    "NO3": 4.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9867, 60.2781] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "KIP2",
    "water_depth": 586,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "1643",
    "depth": 14.0,
    "PO4": 0.81,
    "SiOH4": 6.76,
    "NO3_NO2": 6.26,
    "NO2": 0.02,
    "NH4": 1.23,
    "NO3": 6.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9867, 60.2781] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "KIP2",
    "water_depth": 586,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "1643",
    "depth": 22.0,
    "PO4": 0.93,
    "SiOH4": 10.71,
    "NO3_NO2": 9.11,
    "NO2": 0.05,
    "NH4": 1.49,
    "NO3": 9.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0504, 59.4088] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "2252",
    "depth": 0.0,
    "PO4": 1.24,
    "SiOH4": 21.16,
    "NO3_NO2": 16.1,
    "NO2": 0.11,
    "NH4": 0.53,
    "NO3": 15.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0504, 59.4088] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "2252",
    "depth": 10.0,
    "PO4": 1.34,
    "SiOH4": 21.27,
    "NO3_NO2": 16.2,
    "NO2": 0.12,
    "NH4": 0.62,
    "NO3": 16.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0504, 59.4088] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "2252",
    "depth": 20.0,
    "PO4": 1.37,
    "SiOH4": 21.45,
    "NO3_NO2": 16.52,
    "NO2": 0.13,
    "NH4": 0.65,
    "NO3": 16.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0504, 59.4088] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "2252",
    "depth": 30.0,
    "PO4": 1.24,
    "SiOH4": 21.09,
    "NO3_NO2": 16.67,
    "NO2": 0.13,
    "NH4": 0.7,
    "NO3": 16.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0504, 59.4088] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "2252",
    "depth": 40.0,
    "PO4": 1.27,
    "SiOH4": 20.94,
    "NO3_NO2": 16.88,
    "NO2": 0.11,
    "NH4": 0.28,
    "NO3": 16.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0504, 59.4088] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "2252",
    "depth": 50.0,
    "PO4": 1.26,
    "SiOH4": 20.85,
    "NO3_NO2": 16.8,
    "NO2": 0.1,
    "NH4": 0.31,
    "NO3": 16.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0504, 59.4088] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "2252",
    "depth": 75.0,
    "PO4": 1.36,
    "SiOH4": 23.94,
    "NO3_NO2": 19.66,
    "NO2": 0.08,
    "NH4": 0.42,
    "NO3": 19.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0504, 59.4088] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "2252",
    "depth": 125.0,
    "PO4": 1.45,
    "SiOH4": 25.44,
    "NO3_NO2": 21.71,
    "NO2": 0.09,
    "NH4": 0.28,
    "NO3": 21.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0504, 59.4088] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "21",
    "time_gmt": "2252",
    "depth": 199.0,
    "PO4": 1.73,
    "SiOH4": 30.66,
    "NO3_NO2": 25.59,
    "NO2": 0.07,
    "NH4": 0.32,
    "NO3": 25.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9089, 59.2628] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 15,
    "stn_id": "GAK5",
    "water_depth": 169,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "0034",
    "depth": 0.0,
    "PO4": 0.91,
    "SiOH4": 17.68,
    "NO3_NO2": 13.45,
    "NO2": 0.25,
    "NH4": 0.19,
    "NO3": 13.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9089, 59.2628] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 15,
    "stn_id": "GAK5",
    "water_depth": 169,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "0034",
    "depth": 10.0,
    "PO4": 1.0,
    "SiOH4": 17.6,
    "NO3_NO2": 13.46,
    "NO2": 0.43,
    "NH4": 0.18,
    "NO3": 13.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9089, 59.2628] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 15,
    "stn_id": "GAK5",
    "water_depth": 169,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "0034",
    "depth": 20.0,
    "PO4": 1.09,
    "SiOH4": 17.65,
    "NO3_NO2": 13.47,
    "NO2": 0.38,
    "NH4": 0.2,
    "NO3": 13.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9089, 59.2628] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 15,
    "stn_id": "GAK5",
    "water_depth": 169,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "0034",
    "depth": 30.0,
    "PO4": 1.12,
    "SiOH4": 17.63,
    "NO3_NO2": 13.93,
    "NO2": 0.41,
    "NH4": 0.27,
    "NO3": 13.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9089, 59.2628] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 15,
    "stn_id": "GAK5",
    "water_depth": 169,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "0034",
    "depth": 40.0,
    "PO4": 1.14,
    "SiOH4": 17.61,
    "NO3_NO2": 14.11,
    "NO2": 0.38,
    "NH4": 0.29,
    "NO3": 13.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9089, 59.2628] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 15,
    "stn_id": "GAK5",
    "water_depth": 169,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "0034",
    "depth": 50.0,
    "PO4": 1.12,
    "SiOH4": 20.5,
    "NO3_NO2": 14.63,
    "NO2": 0.18,
    "NH4": 0.37,
    "NO3": 14.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9089, 59.2628] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 15,
    "stn_id": "GAK5",
    "water_depth": 169,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "0034",
    "depth": 75.0,
    "PO4": 1.22,
    "SiOH4": 22.21,
    "NO3_NO2": 16.36,
    "NO2": 0.23,
    "NH4": 0.42,
    "NO3": 16.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9089, 59.2628] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 15,
    "stn_id": "GAK5",
    "water_depth": 169,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "0034",
    "depth": 100.0,
    "PO4": 1.48,
    "SiOH4": 25.64,
    "NO3_NO2": 20.74,
    "NO2": 0.2,
    "NH4": 0.27,
    "NO3": 20.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9089, 59.2628] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 15,
    "stn_id": "GAK5",
    "water_depth": 169,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "0034",
    "depth": 166.0,
    "PO4": 1.75,
    "SiOH4": 30.79,
    "NO3_NO2": 25.74,
    "NO2": 0.13,
    "NH4": 0.09,
    "NO3": 25.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7692, 59.116] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK6",
    "water_depth": 153,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "0218",
    "depth": 0.0,
    "PO4": 1.26,
    "SiOH4": 26.69,
    "NO3_NO2": 20.29,
    "NO2": 0.22,
    "NH4": 0.13,
    "NO3": 20.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7692, 59.116] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK6",
    "water_depth": 153,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "0218",
    "depth": 10.0,
    "PO4": 1.35,
    "SiOH4": 26.87,
    "NO3_NO2": 20.34,
    "NO2": 0.24,
    "NH4": 0.11,
    "NO3": 20.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7692, 59.116] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK6",
    "water_depth": 153,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "0218",
    "depth": 20.0,
    "PO4": 1.4,
    "SiOH4": 26.79,
    "NO3_NO2": 20.4,
    "NO2": 0.25,
    "NH4": 0.13,
    "NO3": 20.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7692, 59.116] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK6",
    "water_depth": 153,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "0218",
    "depth": 30.0,
    "PO4": 1.41,
    "SiOH4": 26.91,
    "NO3_NO2": 20.45,
    "NO2": 0.26,
    "NH4": 0.26,
    "NO3": 20.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7692, 59.116] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK6",
    "water_depth": 153,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "0218",
    "depth": 40.0,
    "PO4": 1.42,
    "SiOH4": 25.75,
    "NO3_NO2": 20.5,
    "NO2": 0.25,
    "NH4": 0.36,
    "NO3": 20.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7692, 59.116] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK6",
    "water_depth": 153,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "0218",
    "depth": 50.0,
    "PO4": 1.42,
    "SiOH4": 25.66,
    "NO3_NO2": 20.32,
    "NO2": 0.24,
    "NH4": 0.4,
    "NO3": 20.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7692, 59.116] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK6",
    "water_depth": 153,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "0218",
    "depth": 100.0,
    "PO4": 1.36,
    "SiOH4": 21.92,
    "NO3_NO2": 18.93,
    "NO2": 0.23,
    "NH4": 0.47,
    "NO3": 18.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7692, 59.116] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK6",
    "water_depth": 153,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "0218",
    "depth": 149.0,
    "PO4": 2.23,
    "SiOH4": 42.91,
    "NO3_NO2": 36.05,
    "NO2": 0.11,
    "NH4": 0.22,
    "NO3": 35.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6292, 58.9716] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "0339",
    "depth": 0.0,
    "PO4": 1.09,
    "SiOH4": 19.09,
    "NO3_NO2": 17.23,
    "NO2": 0.18,
    "NH4": 0.26,
    "NO3": 17.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6292, 58.9716] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "0339",
    "depth": 10.0,
    "PO4": 1.18,
    "SiOH4": 18.87,
    "NO3_NO2": 17.28,
    "NO2": 0.17,
    "NH4": 0.12,
    "NO3": 17.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6292, 58.9716] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "0339",
    "depth": 20.0,
    "PO4": 1.26,
    "SiOH4": 18.78,
    "NO3_NO2": 17.1,
    "NO2": 0.17,
    "NH4": 0.12,
    "NO3": 16.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6292, 58.9716] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "0339",
    "depth": 30.0,
    "PO4": 1.27,
    "SiOH4": 18.9,
    "NO3_NO2": 17.2,
    "NO2": 0.16,
    "NH4": 0.12,
    "NO3": 17.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6292, 58.9716] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "0339",
    "depth": 40.0,
    "PO4": 1.33,
    "SiOH4": 18.41,
    "NO3_NO2": 17.25,
    "NO2": 0.16,
    "NH4": 0.26,
    "NO3": 17.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6292, 58.9716] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "0339",
    "depth": 50.0,
    "PO4": 1.25,
    "SiOH4": 17.58,
    "NO3_NO2": 17.01,
    "NO2": 0.15,
    "NH4": 0.26,
    "NO3": 16.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6292, 58.9716] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "0339",
    "depth": 100.0,
    "PO4": 1.58,
    "SiOH4": 23.52,
    "NO3_NO2": 23.46,
    "NO2": 0.12,
    "NH4": 0.18,
    "NO3": 23.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6292, 58.9716] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "0339",
    "depth": 150.0,
    "PO4": 2.0,
    "SiOH4": 33.53,
    "NO3_NO2": 31.12,
    "NO2": 0.09,
    "NH4": 0.29,
    "NO3": 31.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6292, 58.9716] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "0339",
    "depth": 200.0,
    "PO4": 2.39,
    "SiOH4": 40.16,
    "NO3_NO2": 37.74,
    "NO2": 0.01,
    "NH4": 0.12,
    "NO3": 37.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6292, 58.9716] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "0339",
    "depth": 240.0,
    "PO4": 2.57,
    "SiOH4": 46.71,
    "NO3_NO2": 41.01,
    "NO2": 0.0,
    "NH4": 0.12,
    "NO3": 41.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7976, 58.0992] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "GAK13",
    "water_depth": 2086,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "1619",
    "depth": 0.0,
    "PO4": 1.41,
    "SiOH4": 23.46,
    "NO3_NO2": 19.3,
    "NO2": 0.16,
    "NH4": 0.07,
    "NO3": 19.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7976, 58.0992] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "GAK13",
    "water_depth": 2086,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "1619",
    "depth": 5.0,
    "PO4": 1.55,
    "SiOH4": 23.18,
    "NO3_NO2": 19.52,
    "NO2": 0.19,
    "NH4": 0.07,
    "NO3": 19.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7976, 58.0992] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "GAK13",
    "water_depth": 2086,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "1619",
    "depth": 8.0,
    "PO4": 1.56,
    "SiOH4": 23.63,
    "NO3_NO2": 19.56,
    "NO2": 0.22,
    "NH4": 0.05,
    "NO3": 19.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7976, 58.0992] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "GAK13",
    "water_depth": 2086,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "1619",
    "depth": 14.0,
    "PO4": 1.56,
    "SiOH4": 23.76,
    "NO3_NO2": 19.83,
    "NO2": 0.22,
    "NH4": 0.09,
    "NO3": 19.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7976, 58.0992] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "GAK13",
    "water_depth": 2086,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "1619",
    "depth": 20.0,
    "PO4": 1.7,
    "SiOH4": 26.26,
    "NO3_NO2": 21.14,
    "NO2": 0.14,
    "NH4": 0.13,
    "NO3": 21.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7976, 58.0992] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "GAK13",
    "water_depth": 2086,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "1619",
    "depth": 30.0,
    "PO4": 1.81,
    "SiOH4": 28.03,
    "NO3_NO2": 22.69,
    "NO2": 0.16,
    "NH4": 0.05,
    "NO3": 22.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9336, 58.243] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK12",
    "water_depth": 2161,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "1821",
    "depth": 0.0,
    "PO4": 1.51,
    "SiOH4": 21.27,
    "NO3_NO2": 18.23,
    "NO2": 0.16,
    "NH4": 0.55,
    "NO3": 18.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9336, 58.243] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK12",
    "water_depth": 2161,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "1821",
    "depth": 10.0,
    "PO4": 1.52,
    "SiOH4": 21.32,
    "NO3_NO2": 18.27,
    "NO2": 0.16,
    "NH4": 0.21,
    "NO3": 18.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9336, 58.243] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK12",
    "water_depth": 2161,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "1821",
    "depth": 20.0,
    "PO4": 1.56,
    "SiOH4": 21.36,
    "NO3_NO2": 18.31,
    "NO2": 0.16,
    "NH4": 0.31,
    "NO3": 18.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9336, 58.243] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK12",
    "water_depth": 2161,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "1821",
    "depth": 30.0,
    "PO4": 1.59,
    "SiOH4": 21.16,
    "NO3_NO2": 18.24,
    "NO2": 0.14,
    "NH4": 0.29,
    "NO3": 18.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9336, 58.243] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK12",
    "water_depth": 2161,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "1821",
    "depth": 40.0,
    "PO4": 1.64,
    "SiOH4": 21.37,
    "NO3_NO2": 18.51,
    "NO2": 0.16,
    "NH4": 0.32,
    "NO3": 18.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9336, 58.243] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK12",
    "water_depth": 2161,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "1821",
    "depth": 50.0,
    "PO4": 1.68,
    "SiOH4": 22.89,
    "NO3_NO2": 19.59,
    "NO2": 0.16,
    "NH4": 0.51,
    "NO3": 19.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9336, 58.243] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK12",
    "water_depth": 2161,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "1821",
    "depth": 100.0,
    "PO4": 2.58,
    "SiOH4": 44.8,
    "NO3_NO2": 34.63,
    "NO2": 0.03,
    "NH4": 0.22,
    "NO3": 34.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9336, 58.243] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK12",
    "water_depth": 2161,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "1821",
    "depth": 250.0,
    "PO4": 3.6,
    "SiOH4": null,
    "NO3_NO2": 48.51,
    "NO2": 0.0,
    "NH4": 0.14,
    "NO3": 48.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9336, 58.243] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK12",
    "water_depth": 2161,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "1821",
    "depth": 500.0,
    "PO4": 3.71,
    "SiOH4": null,
    "NO3_NO2": 49.13,
    "NO2": 0.0,
    "NH4": 0.18,
    "NO3": 49.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9336, 58.243] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK12",
    "water_depth": 2161,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "1821",
    "depth": 1000.0,
    "PO4": 3.79,
    "SiOH4": null,
    "NO3_NO2": 49.86,
    "NO2": 0.0,
    "NH4": 0.22,
    "NO3": 49.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9336, 58.243] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK12",
    "water_depth": 2161,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "1821",
    "depth": 1500.0,
    "PO4": 3.75,
    "SiOH4": null,
    "NO3_NO2": 49.5,
    "NO2": 0.0,
    "NH4": 0.19,
    "NO3": 49.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0727, 58.3867] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "GAK11",
    "water_depth": 1431,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "2042",
    "depth": 0.0,
    "PO4": 1.5,
    "SiOH4": 22.54,
    "NO3_NO2": 18.38,
    "NO2": 0.13,
    "NH4": 0.16,
    "NO3": 18.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0727, 58.3867] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "GAK11",
    "water_depth": 1431,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "2042",
    "depth": 10.0,
    "PO4": 1.55,
    "SiOH4": 22.27,
    "NO3_NO2": 18.26,
    "NO2": 0.09,
    "NH4": 0.12,
    "NO3": 18.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0727, 58.3867] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "GAK11",
    "water_depth": 1431,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "2042",
    "depth": 20.0,
    "PO4": 1.56,
    "SiOH4": 22.57,
    "NO3_NO2": 18.43,
    "NO2": 0.12,
    "NH4": 0.19,
    "NO3": 18.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0727, 58.3867] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "GAK11",
    "water_depth": 1431,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "2042",
    "depth": 30.0,
    "PO4": 1.61,
    "SiOH4": 23.44,
    "NO3_NO2": 19.05,
    "NO2": 0.11,
    "NH4": 0.18,
    "NO3": 18.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0727, 58.3867] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "GAK11",
    "water_depth": 1431,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "2042",
    "depth": 40.0,
    "PO4": 1.68,
    "SiOH4": 24.96,
    "NO3_NO2": 20.32,
    "NO2": 0.11,
    "NH4": 0.14,
    "NO3": 20.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0727, 58.3867] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "GAK11",
    "water_depth": 1431,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "2042",
    "depth": 50.0,
    "PO4": 1.73,
    "SiOH4": 25.92,
    "NO3_NO2": 20.83,
    "NO2": 0.13,
    "NH4": 0.49,
    "NO3": 20.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0727, 58.3867] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "GAK11",
    "water_depth": 1431,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "2042",
    "depth": 100.0,
    "PO4": 2.0,
    "SiOH4": 33.83,
    "NO3_NO2": 23.01,
    "NO2": 0.02,
    "NH4": 0.36,
    "NO3": 23.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0727, 58.3867] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "GAK11",
    "water_depth": 1431,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "2042",
    "depth": 250.0,
    "PO4": 3.33,
    "SiOH4": 74.5,
    "NO3_NO2": 40.88,
    "NO2": 0.28,
    "NH4": 0.29,
    "NO3": 40.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0727, 58.3867] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "GAK11",
    "water_depth": 1431,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "2042",
    "depth": 500.0,
    "PO4": 3.65,
    "SiOH4": null,
    "NO3_NO2": 45.78,
    "NO2": 0.42,
    "NH4": 0.25,
    "NO3": 45.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0727, 58.3867] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "GAK11",
    "water_depth": 1431,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "2042",
    "depth": 1000.0,
    "PO4": 3.67,
    "SiOH4": null,
    "NO3_NO2": 47.5,
    "NO2": 0.38,
    "NH4": 0.33,
    "NO3": 47.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0727, 58.3867] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "GAK11",
    "water_depth": 1431,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "2042",
    "depth": 1420.0,
    "PO4": 3.74,
    "SiOH4": null,
    "NO3_NO2": 48.3,
    "NO2": 0.43,
    "NH4": 0.29,
    "NO3": 47.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2176, 58.5399] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "GAK10",
    "water_depth": 1457,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "2345",
    "depth": 0.0,
    "PO4": 1.39,
    "SiOH4": 20.37,
    "NO3_NO2": 16.84,
    "NO2": 0.5,
    "NH4": 0.32,
    "NO3": 16.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2176, 58.5399] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "GAK10",
    "water_depth": 1457,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "2345",
    "depth": 10.0,
    "PO4": 1.44,
    "SiOH4": 20.34,
    "NO3_NO2": 16.75,
    "NO2": 0.54,
    "NH4": 0.38,
    "NO3": 16.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2176, 58.5399] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "GAK10",
    "water_depth": 1457,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "2345",
    "depth": 20.0,
    "PO4": 1.44,
    "SiOH4": 20.63,
    "NO3_NO2": 16.67,
    "NO2": 0.55,
    "NH4": 0.32,
    "NO3": 16.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2176, 58.5399] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "GAK10",
    "water_depth": 1457,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "2345",
    "depth": 30.0,
    "PO4": 1.45,
    "SiOH4": 20.76,
    "NO3_NO2": 17.62,
    "NO2": 0.53,
    "NH4": 0.29,
    "NO3": 17.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2176, 58.5399] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "GAK10",
    "water_depth": 1457,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "2345",
    "depth": 40.0,
    "PO4": 1.46,
    "SiOH4": 21.47,
    "NO3_NO2": 18.05,
    "NO2": 0.48,
    "NH4": 0.26,
    "NO3": 17.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2176, 58.5399] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "GAK10",
    "water_depth": 1457,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "2345",
    "depth": 50.0,
    "PO4": 1.55,
    "SiOH4": 23.32,
    "NO3_NO2": 19.18,
    "NO2": 0.43,
    "NH4": 0.38,
    "NO3": 18.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2176, 58.5399] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "GAK10",
    "water_depth": 1457,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "2345",
    "depth": 100.0,
    "PO4": 2.25,
    "SiOH4": 39.25,
    "NO3_NO2": 30.91,
    "NO2": 0.31,
    "NH4": 0.18,
    "NO3": 30.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2176, 58.5399] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "GAK10",
    "water_depth": 1457,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "2345",
    "depth": 250.0,
    "PO4": 3.25,
    "SiOH4": 72.3,
    "NO3_NO2": 44.49,
    "NO2": 0.23,
    "NH4": 0.26,
    "NO3": 44.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2176, 58.5399] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "GAK10",
    "water_depth": 1457,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "2345",
    "depth": 470.0,
    "PO4": 3.54,
    "SiOH4": null,
    "NO3_NO2": 47.46,
    "NO2": 0.05,
    "NH4": 0.29,
    "NO3": 47.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2176, 58.5399] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "GAK10",
    "water_depth": 1457,
    "month_gmt": "4",
    "day_gmt": "22",
    "time_gmt": "2345",
    "depth": 671.0,
    "PO4": 3.62,
    "SiOH4": null,
    "NO3_NO2": 47.84,
    "NO2": 0.08,
    "NH4": 0.29,
    "NO3": 47.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2834, 58.6111] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "GAK9I",
    "water_depth": 662,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0120",
    "depth": 0.0,
    "PO4": 1.45,
    "SiOH4": 21.47,
    "NO3_NO2": 17.52,
    "NO2": 0.08,
    "NH4": 0.14,
    "NO3": 17.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2834, 58.6111] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "GAK9I",
    "water_depth": 662,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0120",
    "depth": 10.0,
    "PO4": 1.52,
    "SiOH4": 21.35,
    "NO3_NO2": 17.46,
    "NO2": 0.19,
    "NH4": 0.15,
    "NO3": 17.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2834, 58.6111] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "GAK9I",
    "water_depth": 662,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0120",
    "depth": 20.0,
    "PO4": 1.52,
    "SiOH4": 21.4,
    "NO3_NO2": 17.63,
    "NO2": 0.24,
    "NH4": 0.16,
    "NO3": 17.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2834, 58.6111] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "GAK9I",
    "water_depth": 662,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0120",
    "depth": 30.0,
    "PO4": 1.53,
    "SiOH4": 21.62,
    "NO3_NO2": 17.74,
    "NO2": 0.26,
    "NH4": 0.11,
    "NO3": 17.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2834, 58.6111] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "GAK9I",
    "water_depth": 662,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0120",
    "depth": 40.0,
    "PO4": 1.51,
    "SiOH4": 21.75,
    "NO3_NO2": 17.91,
    "NO2": 0.23,
    "NH4": 0.15,
    "NO3": 17.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2834, 58.6111] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "GAK9I",
    "water_depth": 662,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0120",
    "depth": 50.0,
    "PO4": 1.57,
    "SiOH4": 21.8,
    "NO3_NO2": 17.97,
    "NO2": 0.23,
    "NH4": 0.3,
    "NO3": 17.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2834, 58.6111] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "GAK9I",
    "water_depth": 662,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0120",
    "depth": 75.0,
    "PO4": 1.7,
    "SiOH4": 25.61,
    "NO3_NO2": 21.08,
    "NO2": 0.29,
    "NH4": 0.31,
    "NO3": 20.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2834, 58.6111] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "GAK9I",
    "water_depth": 662,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0120",
    "depth": 100.0,
    "PO4": 2.45,
    "SiOH4": 42.12,
    "NO3_NO2": 33.24,
    "NO2": 0.07,
    "NH4": 0.21,
    "NO3": 33.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2834, 58.6111] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "GAK9I",
    "water_depth": 662,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0120",
    "depth": 250.0,
    "PO4": 3.14,
    "SiOH4": 65.59,
    "NO3_NO2": 42.46,
    "NO2": 0.04,
    "NH4": 0.16,
    "NO3": 42.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2834, 58.6111] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "GAK9I",
    "water_depth": 662,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0120",
    "depth": 450.0,
    "PO4": 3.55,
    "SiOH4": null,
    "NO3_NO2": 46.84,
    "NO2": 0.01,
    "NH4": 0.2,
    "NO3": 46.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2834, 58.6111] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "GAK9I",
    "water_depth": 662,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0120",
    "depth": 647.0,
    "PO4": 3.67,
    "SiOH4": null,
    "NO3_NO2": 48.05,
    "NO2": 0.01,
    "NH4": 0.15,
    "NO3": 48.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3516, 58.6794] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 27,
    "stn_id": "GAK9",
    "water_depth": 279,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0229",
    "depth": 0.0,
    "PO4": 1.17,
    "SiOH4": 18.16,
    "NO3_NO2": 15.51,
    "NO2": 0.16,
    "NH4": 0.24,
    "NO3": 15.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3516, 58.6794] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 27,
    "stn_id": "GAK9",
    "water_depth": 279,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0229",
    "depth": 10.0,
    "PO4": 1.29,
    "SiOH4": 18.31,
    "NO3_NO2": 15.51,
    "NO2": 0.13,
    "NH4": 0.04,
    "NO3": 15.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3516, 58.6794] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 27,
    "stn_id": "GAK9",
    "water_depth": 279,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0229",
    "depth": 20.0,
    "PO4": 1.31,
    "SiOH4": 18.46,
    "NO3_NO2": 15.51,
    "NO2": 0.12,
    "NH4": 0.19,
    "NO3": 15.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3516, 58.6794] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 27,
    "stn_id": "GAK9",
    "water_depth": 279,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0229",
    "depth": 30.0,
    "PO4": 1.33,
    "SiOH4": 18.53,
    "NO3_NO2": 15.63,
    "NO2": 0.17,
    "NH4": 0.17,
    "NO3": 15.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3516, 58.6794] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 27,
    "stn_id": "GAK9",
    "water_depth": 279,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0229",
    "depth": 40.0,
    "PO4": 1.51,
    "SiOH4": 22.44,
    "NO3_NO2": 18.4,
    "NO2": 0.17,
    "NH4": 0.23,
    "NO3": 18.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3516, 58.6794] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 27,
    "stn_id": "GAK9",
    "water_depth": 279,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0229",
    "depth": 50.0,
    "PO4": 1.55,
    "SiOH4": 24.23,
    "NO3_NO2": 19.32,
    "NO2": 0.19,
    "NH4": 0.41,
    "NO3": 19.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3516, 58.6794] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 27,
    "stn_id": "GAK9",
    "water_depth": 279,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0229",
    "depth": 100.0,
    "PO4": 2.33,
    "SiOH4": 43.87,
    "NO3_NO2": 32.93,
    "NO2": 0.02,
    "NH4": 0.13,
    "NO3": 32.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3516, 58.6794] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 27,
    "stn_id": "GAK9",
    "water_depth": 279,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0229",
    "depth": 150.0,
    "PO4": 2.64,
    "SiOH4": 52.2,
    "NO3_NO2": 37.83,
    "NO2": 0.01,
    "NH4": 0.13,
    "NO3": 37.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3516, 58.6794] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 27,
    "stn_id": "GAK9",
    "water_depth": 279,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0229",
    "depth": 200.0,
    "PO4": 2.82,
    "SiOH4": 59.23,
    "NO3_NO2": 40.2,
    "NO2": 0.01,
    "NH4": 0.14,
    "NO3": 40.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3516, 58.6794] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 27,
    "stn_id": "GAK9",
    "water_depth": 279,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0229",
    "depth": 277.0,
    "PO4": 3.03,
    "SiOH4": 69.2,
    "NO3_NO2": 42.56,
    "NO2": 0.03,
    "NH4": 0.08,
    "NO3": 42.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4207, 58.7429] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 29,
    "stn_id": "GAK8I",
    "water_depth": 293,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0340",
    "depth": 0.0,
    "PO4": 1.28,
    "SiOH4": 19.99,
    "NO3_NO2": 16.32,
    "NO2": 0.13,
    "NH4": 0.03,
    "NO3": 16.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4207, 58.7429] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 29,
    "stn_id": "GAK8I",
    "water_depth": 293,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0340",
    "depth": 10.0,
    "PO4": 1.35,
    "SiOH4": 19.96,
    "NO3_NO2": 16.26,
    "NO2": 0.12,
    "NH4": 0.08,
    "NO3": 16.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4207, 58.7429] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 29,
    "stn_id": "GAK8I",
    "water_depth": 293,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0340",
    "depth": 20.0,
    "PO4": 1.39,
    "SiOH4": 20.0,
    "NO3_NO2": 16.61,
    "NO2": 0.12,
    "NH4": 0.03,
    "NO3": 16.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4207, 58.7429] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 29,
    "stn_id": "GAK8I",
    "water_depth": 293,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0340",
    "depth": 30.0,
    "PO4": 1.38,
    "SiOH4": 20.13,
    "NO3_NO2": 16.67,
    "NO2": 0.14,
    "NH4": 0.08,
    "NO3": 16.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4207, 58.7429] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 29,
    "stn_id": "GAK8I",
    "water_depth": 293,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0340",
    "depth": 40.0,
    "PO4": 1.41,
    "SiOH4": 20.59,
    "NO3_NO2": 22.66,
    "NO2": 0.14,
    "NH4": 0.06,
    "NO3": 22.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4207, 58.7429] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 29,
    "stn_id": "GAK8I",
    "water_depth": 293,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0340",
    "depth": 50.0,
    "PO4": 1.45,
    "SiOH4": 21.87,
    "NO3_NO2": 31.66,
    "NO2": 0.13,
    "NH4": 0.05,
    "NO3": 31.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4207, 58.7429] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 29,
    "stn_id": "GAK8I",
    "water_depth": 293,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0340",
    "depth": 100.0,
    "PO4": 2.44,
    "SiOH4": 44.43,
    "NO3_NO2": 33.33,
    "NO2": 0.02,
    "NH4": 0.01,
    "NO3": 33.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4207, 58.7429] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 29,
    "stn_id": "GAK8I",
    "water_depth": 293,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0340",
    "depth": 150.0,
    "PO4": 2.73,
    "SiOH4": 54.63,
    "NO3_NO2": 38.12,
    "NO2": 0.02,
    "NH4": 0.05,
    "NO3": 38.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4207, 58.7429] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 29,
    "stn_id": "GAK8I",
    "water_depth": 293,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0340",
    "depth": 288.0,
    "PO4": 3.18,
    "SiOH4": 72.53,
    "NO3_NO2": 43.37,
    "NO2": 0.01,
    "NH4": 0.1,
    "NO3": 43.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4886, 58.7905] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "GAK8",
    "water_depth": 297,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0428",
    "depth": 0.0,
    "PO4": 1.37,
    "SiOH4": 20.42,
    "NO3_NO2": 16.61,
    "NO2": 0.17,
    "NH4": 0.2,
    "NO3": 16.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4886, 58.7905] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "GAK8",
    "water_depth": 297,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0428",
    "depth": 10.0,
    "PO4": 1.43,
    "SiOH4": 20.47,
    "NO3_NO2": 16.49,
    "NO2": 0.19,
    "NH4": 0.16,
    "NO3": 16.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4886, 58.7905] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "GAK8",
    "water_depth": 297,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0428",
    "depth": 20.0,
    "PO4": 1.39,
    "SiOH4": 20.51,
    "NO3_NO2": 16.44,
    "NO2": 0.19,
    "NH4": 0.17,
    "NO3": 16.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4886, 58.7905] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "GAK8",
    "water_depth": 297,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0428",
    "depth": 30.0,
    "PO4": 1.37,
    "SiOH4": 20.56,
    "NO3_NO2": 16.44,
    "NO2": 0.21,
    "NH4": 0.13,
    "NO3": 16.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4886, 58.7905] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "GAK8",
    "water_depth": 297,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0428",
    "depth": 50.0,
    "PO4": 1.52,
    "SiOH4": 23.47,
    "NO3_NO2": 18.45,
    "NO2": 0.21,
    "NH4": 0.23,
    "NO3": 18.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4886, 58.7905] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "GAK8",
    "water_depth": 297,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0428",
    "depth": 100.0,
    "PO4": 2.07,
    "SiOH4": 37.28,
    "NO3_NO2": 27.68,
    "NO2": 0.09,
    "NH4": 0.01,
    "NO3": 27.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4886, 58.7905] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "GAK8",
    "water_depth": 297,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0428",
    "depth": 150.0,
    "PO4": 2.54,
    "SiOH4": 50.02,
    "NO3_NO2": 36.1,
    "NO2": 0.04,
    "NH4": 0.06,
    "NO3": 36.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4886, 58.7905] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "GAK8",
    "water_depth": 297,
    "month_gmt": "4",
    "day_gmt": "23",
    "time_gmt": "0428",
    "depth": 286.0,
    "PO4": 3.14,
    "SiOH4": 73.07,
    "NO3_NO2": 43.14,
    "NO2": 0.03,
    "NH4": 0.07,
    "NO3": 43.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8659, 59.4508] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 31,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1438",
    "depth": 0.0,
    "PO4": 1.21,
    "SiOH4": 25.02,
    "NO3_NO2": 16.28,
    "NO2": 0.17,
    "NH4": 0.09,
    "NO3": 16.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8659, 59.4508] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 31,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1438",
    "depth": 10.0,
    "PO4": 1.36,
    "SiOH4": 25.23,
    "NO3_NO2": 16.48,
    "NO2": 0.16,
    "NH4": 0.08,
    "NO3": 16.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8659, 59.4508] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 31,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1438",
    "depth": 20.0,
    "PO4": 1.39,
    "SiOH4": 25.66,
    "NO3_NO2": 16.89,
    "NO2": 0.16,
    "NH4": 0.04,
    "NO3": 16.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8659, 59.4508] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 31,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1438",
    "depth": 30.0,
    "PO4": 1.43,
    "SiOH4": 25.72,
    "NO3_NO2": 17.1,
    "NO2": 0.18,
    "NH4": 0.05,
    "NO3": 16.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8659, 59.4508] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 31,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1438",
    "depth": 40.0,
    "PO4": 1.44,
    "SiOH4": 25.86,
    "NO3_NO2": 17.35,
    "NO2": 0.19,
    "NH4": 0.12,
    "NO3": 17.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8659, 59.4508] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 31,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1438",
    "depth": 50.0,
    "PO4": 1.47,
    "SiOH4": 25.92,
    "NO3_NO2": 17.39,
    "NO2": 0.21,
    "NH4": 0.08,
    "NO3": 17.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8659, 59.4508] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 31,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1438",
    "depth": 100.0,
    "PO4": 1.61,
    "SiOH4": 27.78,
    "NO3_NO2": 18.92,
    "NO2": 0.16,
    "NH4": 0.09,
    "NO3": 18.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8659, 59.4508] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 31,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1438",
    "depth": 150.0,
    "PO4": 1.69,
    "SiOH4": 28.89,
    "NO3_NO2": 20.29,
    "NO2": 0.15,
    "NH4": 0.0,
    "NO3": 20.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8659, 59.4508] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 31,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1438",
    "depth": 179.0,
    "PO4": 1.8,
    "SiOH4": 31.57,
    "NO3_NO2": 22.51,
    "NO2": 0.14,
    "NH4": 0.01,
    "NO3": 22.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8672, 59.4504] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1505",
    "depth": 0.0,
    "PO4": 1.34,
    "SiOH4": 25.64,
    "NO3_NO2": 16.24,
    "NO2": 0.19,
    "NH4": 0.19,
    "NO3": 16.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8672, 59.4504] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1505",
    "depth": 6.0,
    "PO4": 1.39,
    "SiOH4": 25.7,
    "NO3_NO2": 16.28,
    "NO2": 0.21,
    "NH4": 0.09,
    "NO3": 16.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8672, 59.4504] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1505",
    "depth": 10.0,
    "PO4": 1.39,
    "SiOH4": 25.69,
    "NO3_NO2": 16.33,
    "NO2": 0.23,
    "NH4": 0.11,
    "NO3": 16.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8672, 59.4504] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1505",
    "depth": 17.0,
    "PO4": 1.4,
    "SiOH4": 25.75,
    "NO3_NO2": 16.53,
    "NO2": 0.22,
    "NH4": 0.12,
    "NO3": 16.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8672, 59.4504] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1505",
    "depth": 25.0,
    "PO4": 1.41,
    "SiOH4": 25.73,
    "NO3_NO2": 16.68,
    "NO2": 0.24,
    "NH4": 0.16,
    "NO3": 16.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8672, 59.4504] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1505",
    "depth": 38.0,
    "PO4": 1.4,
    "SiOH4": 25.72,
    "NO3_NO2": 16.83,
    "NO2": 0.23,
    "NH4": 0.2,
    "NO3": 16.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.5167] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1612",
    "depth": 0.0,
    "PO4": 1.37,
    "SiOH4": 27.24,
    "NO3_NO2": 17.12,
    "NO2": 0.2,
    "NH4": 0.09,
    "NO3": 16.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.5167] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1612",
    "depth": 10.0,
    "PO4": 1.4,
    "SiOH4": 27.23,
    "NO3_NO2": 17.27,
    "NO2": 0.19,
    "NH4": 0.03,
    "NO3": 17.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.5167] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1612",
    "depth": 20.0,
    "PO4": 1.42,
    "SiOH4": 26.84,
    "NO3_NO2": 17.79,
    "NO2": 0.19,
    "NH4": 0.02,
    "NO3": 17.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.5167] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1612",
    "depth": 30.0,
    "PO4": 1.41,
    "SiOH4": 26.6,
    "NO3_NO2": 16.93,
    "NO2": 0.21,
    "NH4": 0.01,
    "NO3": 16.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.5167] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1612",
    "depth": 40.0,
    "PO4": 1.39,
    "SiOH4": 26.43,
    "NO3_NO2": 16.92,
    "NO2": 0.18,
    "NH4": 0.0,
    "NO3": 16.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.5167] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1612",
    "depth": 50.0,
    "PO4": 1.4,
    "SiOH4": 26.26,
    "NO3_NO2": 16.97,
    "NO2": 0.18,
    "NH4": 0.29,
    "NO3": 16.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.5167] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1612",
    "depth": 100.0,
    "PO4": 1.47,
    "SiOH4": 25.95,
    "NO3_NO2": 17.59,
    "NO2": 0.18,
    "NH4": 0.31,
    "NO3": 17.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.5167] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1612",
    "depth": 169.0,
    "PO4": 1.78,
    "SiOH4": 33.05,
    "NO3_NO2": 22.52,
    "NO2": 0.18,
    "NH4": 0.19,
    "NO3": 22.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.5828] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "CF11",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1714",
    "depth": 0.0,
    "PO4": 1.31,
    "SiOH4": 28.16,
    "NO3_NO2": 16.99,
    "NO2": 0.2,
    "NH4": 0.34,
    "NO3": 16.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.5828] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "CF11",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1714",
    "depth": 10.0,
    "PO4": 1.36,
    "SiOH4": 28.37,
    "NO3_NO2": 16.98,
    "NO2": 0.2,
    "NH4": 0.33,
    "NO3": 16.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.5828] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "CF11",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1714",
    "depth": 20.0,
    "PO4": 1.4,
    "SiOH4": 28.58,
    "NO3_NO2": 17.4,
    "NO2": 0.19,
    "NH4": 0.27,
    "NO3": 17.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.5828] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "CF11",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1714",
    "depth": 30.0,
    "PO4": 1.46,
    "SiOH4": 29.09,
    "NO3_NO2": 18.24,
    "NO2": 0.16,
    "NH4": 0.26,
    "NO3": 18.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.5828] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "CF11",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1714",
    "depth": 40.0,
    "PO4": 1.43,
    "SiOH4": 28.54,
    "NO3_NO2": 18.23,
    "NO2": 0.16,
    "NH4": 0.31,
    "NO3": 18.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.5828] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "CF11",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1714",
    "depth": 50.0,
    "PO4": 1.45,
    "SiOH4": 28.45,
    "NO3_NO2": 17.96,
    "NO2": 0.18,
    "NH4": 0.22,
    "NO3": 17.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.5828] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "CF11",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1714",
    "depth": 100.0,
    "PO4": 1.41,
    "SiOH4": 25.51,
    "NO3_NO2": 17.37,
    "NO2": 0.18,
    "NH4": 0.23,
    "NO3": 17.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.5828] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "CF11",
    "water_depth": 180,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1714",
    "depth": 175.0,
    "PO4": 1.65,
    "SiOH4": 31.49,
    "NO3_NO2": 21.87,
    "NO2": 0.18,
    "NH4": 0.01,
    "NO3": 21.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.869, 59.6492] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "CF9",
    "water_depth": 176,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1821",
    "depth": 0.0,
    "PO4": 1.39,
    "SiOH4": 22.74,
    "NO3_NO2": 16.86,
    "NO2": 0.2,
    "NH4": 0.08,
    "NO3": 16.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.869, 59.6492] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "CF9",
    "water_depth": 176,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1821",
    "depth": 10.0,
    "PO4": 1.32,
    "SiOH4": 22.71,
    "NO3_NO2": 16.08,
    "NO2": 0.19,
    "NH4": 0.08,
    "NO3": 15.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.869, 59.6492] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "CF9",
    "water_depth": 176,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1821",
    "depth": 20.0,
    "PO4": 1.35,
    "SiOH4": 22.55,
    "NO3_NO2": 16.11,
    "NO2": 0.19,
    "NH4": 0.08,
    "NO3": 15.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.869, 59.6492] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "CF9",
    "water_depth": 176,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1821",
    "depth": 30.0,
    "PO4": 1.33,
    "SiOH4": 22.53,
    "NO3_NO2": 16.13,
    "NO2": 0.19,
    "NH4": 0.08,
    "NO3": 15.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.869, 59.6492] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "CF9",
    "water_depth": 176,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1821",
    "depth": 40.0,
    "PO4": 1.33,
    "SiOH4": 22.5,
    "NO3_NO2": 16.15,
    "NO2": 0.21,
    "NH4": 0.08,
    "NO3": 15.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.869, 59.6492] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "CF9",
    "water_depth": 176,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1821",
    "depth": 50.0,
    "PO4": 1.34,
    "SiOH4": 22.21,
    "NO3_NO2": 16.17,
    "NO2": 0.21,
    "NH4": 0.11,
    "NO3": 15.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.869, 59.6492] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "CF9",
    "water_depth": 176,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1821",
    "depth": 100.0,
    "PO4": 1.35,
    "SiOH4": 22.18,
    "NO3_NO2": 16.51,
    "NO2": 0.21,
    "NH4": 0.05,
    "NO3": 16.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.869, 59.6492] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "CF9",
    "water_depth": 176,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1821",
    "depth": 175.0,
    "PO4": 1.74,
    "SiOH4": 28.98,
    "NO3_NO2": 22.47,
    "NO2": 0.18,
    "NH4": 0.03,
    "NO3": 22.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8683, 59.7163] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1927",
    "depth": 0.0,
    "PO4": 1.26,
    "SiOH4": 23.44,
    "NO3_NO2": 16.7,
    "NO2": 0.22,
    "NH4": 0.02,
    "NO3": 16.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8683, 59.7163] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1927",
    "depth": 10.0,
    "PO4": 1.35,
    "SiOH4": 23.69,
    "NO3_NO2": 16.75,
    "NO2": 0.22,
    "NH4": 0.12,
    "NO3": 16.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8683, 59.7163] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1927",
    "depth": 20.0,
    "PO4": 1.39,
    "SiOH4": 23.68,
    "NO3_NO2": 16.74,
    "NO2": 0.22,
    "NH4": 0.0,
    "NO3": 16.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8683, 59.7163] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1927",
    "depth": 30.0,
    "PO4": 1.42,
    "SiOH4": 23.6,
    "NO3_NO2": 16.73,
    "NO2": 0.21,
    "NH4": 0.0,
    "NO3": 16.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8683, 59.7163] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1927",
    "depth": 40.0,
    "PO4": 1.41,
    "SiOH4": 23.53,
    "NO3_NO2": 16.72,
    "NO2": 0.21,
    "NH4": 0.01,
    "NO3": 16.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8683, 59.7163] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1927",
    "depth": 50.0,
    "PO4": 1.46,
    "SiOH4": 23.65,
    "NO3_NO2": 16.65,
    "NO2": 0.21,
    "NH4": 0.01,
    "NO3": 16.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8683, 59.7163] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1927",
    "depth": 100.0,
    "PO4": 1.49,
    "SiOH4": 23.44,
    "NO3_NO2": 17.18,
    "NO2": 0.21,
    "NH4": 0.0,
    "NO3": 16.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8683, 59.7163] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "1927",
    "depth": 178.0,
    "PO4": 1.68,
    "SiOH4": 25.15,
    "NO3_NO2": 19.5,
    "NO2": 0.18,
    "NH4": 0.02,
    "NO3": 19.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8701, 59.7839] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "2031",
    "depth": 0.0,
    "PO4": 1.38,
    "SiOH4": 23.88,
    "NO3_NO2": 16.79,
    "NO2": 0.22,
    "NH4": 0.14,
    "NO3": 16.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8701, 59.7839] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "2031",
    "depth": 10.0,
    "PO4": 1.41,
    "SiOH4": 23.73,
    "NO3_NO2": 16.78,
    "NO2": 0.22,
    "NH4": 0.08,
    "NO3": 16.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8701, 59.7839] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "2031",
    "depth": 20.0,
    "PO4": 1.41,
    "SiOH4": 23.72,
    "NO3_NO2": 16.77,
    "NO2": 0.22,
    "NH4": 0.13,
    "NO3": 16.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8701, 59.7839] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "2031",
    "depth": 30.0,
    "PO4": 1.45,
    "SiOH4": 23.78,
    "NO3_NO2": 16.76,
    "NO2": 0.22,
    "NH4": 0.17,
    "NO3": 16.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8701, 59.7839] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "2031",
    "depth": 40.0,
    "PO4": 1.43,
    "SiOH4": 23.76,
    "NO3_NO2": 16.75,
    "NO2": 0.21,
    "NH4": 0.19,
    "NO3": 16.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8701, 59.7839] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "2031",
    "depth": 50.0,
    "PO4": 1.45,
    "SiOH4": 23.82,
    "NO3_NO2": 16.79,
    "NO2": 0.21,
    "NH4": 0.13,
    "NO3": 16.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8701, 59.7839] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "2031",
    "depth": 100.0,
    "PO4": 1.43,
    "SiOH4": 23.87,
    "NO3_NO2": 16.84,
    "NO2": 0.21,
    "NH4": 0.07,
    "NO3": 16.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8701, 59.7839] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "2031",
    "depth": 188.0,
    "PO4": 1.54,
    "SiOH4": 24.52,
    "NO3_NO2": 18.31,
    "NO2": 0.18,
    "NH4": 0.03,
    "NO3": 18.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8695, 59.8503] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "CF3",
    "water_depth": 157,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "2136",
    "depth": 0.0,
    "PO4": 1.42,
    "SiOH4": 25.77,
    "NO3_NO2": 17.39,
    "NO2": 0.24,
    "NH4": 0.22,
    "NO3": 17.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8695, 59.8503] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "CF3",
    "water_depth": 157,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "2136",
    "depth": 10.0,
    "PO4": 1.48,
    "SiOH4": 25.77,
    "NO3_NO2": 17.44,
    "NO2": 0.23,
    "NH4": 0.27,
    "NO3": 17.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8695, 59.8503] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "CF3",
    "water_depth": 157,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "2136",
    "depth": 20.0,
    "PO4": 1.48,
    "SiOH4": 25.84,
    "NO3_NO2": 17.43,
    "NO2": 0.23,
    "NH4": 0.22,
    "NO3": 17.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8695, 59.8503] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "CF3",
    "water_depth": 157,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "2136",
    "depth": 30.0,
    "PO4": 1.48,
    "SiOH4": 25.9,
    "NO3_NO2": 17.53,
    "NO2": 0.22,
    "NH4": 0.11,
    "NO3": 17.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8695, 59.8503] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "CF3",
    "water_depth": 157,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "2136",
    "depth": 40.0,
    "PO4": 1.52,
    "SiOH4": 26.1,
    "NO3_NO2": 17.63,
    "NO2": 0.24,
    "NH4": 0.08,
    "NO3": 17.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8695, 59.8503] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "CF3",
    "water_depth": 157,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "2136",
    "depth": 50.0,
    "PO4": 1.5,
    "SiOH4": 26.17,
    "NO3_NO2": 17.68,
    "NO2": 0.24,
    "NH4": 0.11,
    "NO3": 17.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8695, 59.8503] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "CF3",
    "water_depth": 157,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "2136",
    "depth": 100.0,
    "PO4": 1.54,
    "SiOH4": 25.9,
    "NO3_NO2": 18.04,
    "NO2": 0.18,
    "NH4": 0.03,
    "NO3": 17.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8695, 59.8503] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "CF3",
    "water_depth": 157,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "2136",
    "depth": 155.0,
    "PO4": 1.52,
    "SiOH4": 25.31,
    "NO3_NO2": 17.88,
    "NO2": 0.2,
    "NH4": 0.03,
    "NO3": 17.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8705, 59.9082] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "2233",
    "depth": 0.0,
    "PO4": 0.63,
    "SiOH4": 5.23,
    "NO3_NO2": 4.61,
    "NO2": 0.1,
    "NH4": 0.43,
    "NO3": 4.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8705, 59.9082] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "2233",
    "depth": 10.0,
    "PO4": 0.72,
    "SiOH4": 6.76,
    "NO3_NO2": 5.93,
    "NO2": 0.11,
    "NH4": 0.32,
    "NO3": 5.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8705, 59.9082] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "2233",
    "depth": 20.0,
    "PO4": 0.77,
    "SiOH4": 8.41,
    "NO3_NO2": 7.2,
    "NO2": 0.16,
    "NH4": 0.49,
    "NO3": 7.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8705, 59.9082] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "2233",
    "depth": 30.0,
    "PO4": 0.87,
    "SiOH4": 10.27,
    "NO3_NO2": 8.04,
    "NO2": 0.2,
    "NH4": 0.43,
    "NO3": 7.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8705, 59.9082] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "2233",
    "depth": 40.0,
    "PO4": 0.99,
    "SiOH4": 14.51,
    "NO3_NO2": 10.26,
    "NO2": 0.25,
    "NH4": 0.46,
    "NO3": 10.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8705, 59.9082] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "2233",
    "depth": 50.0,
    "PO4": 1.0,
    "SiOH4": 14.91,
    "NO3_NO2": 10.57,
    "NO2": 0.24,
    "NH4": 0.46,
    "NO3": 10.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8705, 59.9082] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "2233",
    "depth": 75.0,
    "PO4": 1.3,
    "SiOH4": 20.94,
    "NO3_NO2": 13.96,
    "NO2": 0.24,
    "NH4": 1.0,
    "NO3": 13.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8705, 59.9082] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "4",
    "day_gmt": "24",
    "time_gmt": "2233",
    "depth": 83.0,
    "PO4": 1.33,
    "SiOH4": 23.45,
    "NO3_NO2": 15.39,
    "NO2": 0.26,
    "NH4": 0.86,
    "NO3": 15.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0256, 59.4226] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 47,
    "stn_id": "M2",
    "water_depth": 197,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "0209",
    "depth": 0.0,
    "PO4": 1.26,
    "SiOH4": 22.46,
    "NO3_NO2": 17.42,
    "NO2": 0.11,
    "NH4": 0.46,
    "NO3": 17.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0256, 59.4226] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 47,
    "stn_id": "M2",
    "water_depth": 197,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "0209",
    "depth": 10.0,
    "PO4": 1.26,
    "SiOH4": 22.0,
    "NO3_NO2": 17.47,
    "NO2": 0.11,
    "NH4": 0.4,
    "NO3": 17.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0256, 59.4226] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 47,
    "stn_id": "M2",
    "water_depth": 197,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "0209",
    "depth": 20.0,
    "PO4": 1.36,
    "SiOH4": 22.39,
    "NO3_NO2": 18.2,
    "NO2": 0.14,
    "NH4": 0.35,
    "NO3": 18.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0256, 59.4226] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 47,
    "stn_id": "M2",
    "water_depth": 197,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "0209",
    "depth": 30.0,
    "PO4": 1.42,
    "SiOH4": 22.06,
    "NO3_NO2": 20.31,
    "NO2": 0.17,
    "NH4": 0.32,
    "NO3": 20.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0256, 59.4226] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 47,
    "stn_id": "M2",
    "water_depth": 197,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "0209",
    "depth": 40.0,
    "PO4": 1.42,
    "SiOH4": 22.13,
    "NO3_NO2": 20.29,
    "NO2": 0.15,
    "NH4": 0.4,
    "NO3": 20.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0256, 59.4226] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 47,
    "stn_id": "M2",
    "water_depth": 197,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "0209",
    "depth": 50.0,
    "PO4": 1.43,
    "SiOH4": 23.06,
    "NO3_NO2": 21.09,
    "NO2": 0.18,
    "NH4": 0.22,
    "NO3": 20.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0651, 59.4234] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "M1",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "0237",
    "depth": 0.0,
    "PO4": 1.28,
    "SiOH4": 20.67,
    "NO3_NO2": 18.5,
    "NO2": 0.15,
    "NH4": 0.46,
    "NO3": 18.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0651, 59.4234] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "M1",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "0237",
    "depth": 10.0,
    "PO4": 1.31,
    "SiOH4": 20.8,
    "NO3_NO2": 18.55,
    "NO2": 0.16,
    "NH4": 0.46,
    "NO3": 18.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0651, 59.4234] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "M1",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "0237",
    "depth": 20.0,
    "PO4": 1.39,
    "SiOH4": 22.33,
    "NO3_NO2": 19.53,
    "NO2": 0.19,
    "NH4": 0.54,
    "NO3": 19.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0651, 59.4234] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "M1",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "0237",
    "depth": 30.0,
    "PO4": 1.41,
    "SiOH4": 23.25,
    "NO3_NO2": 20.39,
    "NO2": 0.19,
    "NH4": 0.4,
    "NO3": 20.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0651, 59.4234] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "M1",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "0237",
    "depth": 40.0,
    "PO4": 1.4,
    "SiOH4": 23.39,
    "NO3_NO2": 20.37,
    "NO2": 0.19,
    "NH4": 0.38,
    "NO3": 20.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0651, 59.4234] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "M1",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "0237",
    "depth": 50.0,
    "PO4": 1.4,
    "SiOH4": 23.45,
    "NO3_NO2": 20.42,
    "NO2": 0.2,
    "NH4": 0.51,
    "NO3": 20.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0616, 59.393] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 49,
    "stn_id": "M4",
    "water_depth": 206,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "0305",
    "depth": 0.0,
    "PO4": 1.31,
    "SiOH4": 24.68,
    "NO3_NO2": 19.51,
    "NO2": 0.2,
    "NH4": 0.46,
    "NO3": 19.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0616, 59.393] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 49,
    "stn_id": "M4",
    "water_depth": 206,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "0305",
    "depth": 10.0,
    "PO4": 1.36,
    "SiOH4": 24.87,
    "NO3_NO2": 19.57,
    "NO2": 0.18,
    "NH4": 0.46,
    "NO3": 19.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0616, 59.393] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 49,
    "stn_id": "M4",
    "water_depth": 206,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "0305",
    "depth": 20.0,
    "PO4": 1.37,
    "SiOH4": 24.99,
    "NO3_NO2": 19.88,
    "NO2": 0.18,
    "NH4": 0.44,
    "NO3": 19.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0616, 59.393] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 49,
    "stn_id": "M4",
    "water_depth": 206,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "0305",
    "depth": 30.0,
    "PO4": 1.38,
    "SiOH4": 25.17,
    "NO3_NO2": 20.0,
    "NO2": 0.21,
    "NH4": 0.44,
    "NO3": 19.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0616, 59.393] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 49,
    "stn_id": "M4",
    "water_depth": 206,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "0305",
    "depth": 40.0,
    "PO4": 1.41,
    "SiOH4": 25.62,
    "NO3_NO2": 20.18,
    "NO2": 0.21,
    "NH4": 0.2,
    "NO3": 19.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0616, 59.393] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 49,
    "stn_id": "M4",
    "water_depth": 206,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "0305",
    "depth": 50.0,
    "PO4": 1.39,
    "SiOH4": 25.8,
    "NO3_NO2": 20.55,
    "NO2": 0.24,
    "NH4": 0.26,
    "NO3": 20.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0247, 59.3927] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "M3",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "0332",
    "depth": 0.0,
    "PO4": 1.25,
    "SiOH4": 24.0,
    "NO3_NO2": 18.92,
    "NO2": 0.22,
    "NH4": 0.55,
    "NO3": 18.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0247, 59.3927] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "M3",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "0332",
    "depth": 10.0,
    "PO4": 1.33,
    "SiOH4": 24.12,
    "NO3_NO2": 18.98,
    "NO2": 0.22,
    "NH4": 0.58,
    "NO3": 18.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0247, 59.3927] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "M3",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "0332",
    "depth": 20.0,
    "PO4": 1.32,
    "SiOH4": 24.44,
    "NO3_NO2": 19.35,
    "NO2": 0.22,
    "NH4": 0.53,
    "NO3": 19.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0247, 59.3927] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "M3",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "0332",
    "depth": 30.0,
    "PO4": 1.33,
    "SiOH4": 22.9,
    "NO3_NO2": 18.91,
    "NO2": 0.2,
    "NH4": 0.8,
    "NO3": 18.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0247, 59.3927] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "M3",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "0332",
    "depth": 40.0,
    "PO4": 1.32,
    "SiOH4": 24.08,
    "NO3_NO2": 19.34,
    "NO2": 0.22,
    "NH4": 0.7,
    "NO3": 19.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0247, 59.3927] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "M3",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "0332",
    "depth": 50.0,
    "PO4": 1.31,
    "SiOH4": 22.08,
    "NO3_NO2": 18.27,
    "NO2": 0.2,
    "NH4": 0.89,
    "NO3": 18.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3491, 58.6798] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 51,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "1521",
    "depth": 0.0,
    "PO4": 1.3,
    "SiOH4": 19.01,
    "NO3_NO2": 18.35,
    "NO2": 0.19,
    "NH4": 0.01,
    "NO3": 18.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3491, 58.6798] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 51,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "1521",
    "depth": 11.0,
    "PO4": 1.51,
    "SiOH4": 23.35,
    "NO3_NO2": 22.71,
    "NO2": 0.12,
    "NH4": 0.01,
    "NO3": 22.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3491, 58.6798] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 51,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "1521",
    "depth": 18.0,
    "PO4": 1.35,
    "SiOH4": 19.68,
    "NO3_NO2": 19.25,
    "NO2": 0.13,
    "NH4": 0.05,
    "NO3": 19.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3491, 58.6798] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 51,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "1521",
    "depth": 32.0,
    "PO4": 1.33,
    "SiOH4": 18.65,
    "NO3_NO2": 18.54,
    "NO2": 0.14,
    "NH4": 0.06,
    "NO3": 18.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3491, 58.6798] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 51,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "1521",
    "depth": 46.0,
    "PO4": 1.34,
    "SiOH4": 17.95,
    "NO3_NO2": 18.27,
    "NO2": 0.13,
    "NH4": 0.08,
    "NO3": 18.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3491, 58.6798] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 51,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "1521",
    "depth": 70.0,
    "PO4": 1.33,
    "SiOH4": 17.59,
    "NO3_NO2": 18.06,
    "NO2": 0.14,
    "NH4": 0.12,
    "NO3": 17.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.628, 58.9717] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 52,
    "stn_id": "GAK7",
    "water_depth": 244,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "1734",
    "depth": 0.0,
    "PO4": 1.31,
    "SiOH4": 18.82,
    "NO3_NO2": 19.35,
    "NO2": 0.12,
    "NH4": 0.68,
    "NO3": 19.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.628, 58.9717] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 52,
    "stn_id": "GAK7",
    "water_depth": 244,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "1734",
    "depth": 10.0,
    "PO4": 1.39,
    "SiOH4": 18.58,
    "NO3_NO2": 19.33,
    "NO2": 0.13,
    "NH4": 0.21,
    "NO3": 19.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.628, 58.9717] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 52,
    "stn_id": "GAK7",
    "water_depth": 244,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "1734",
    "depth": 20.0,
    "PO4": 1.39,
    "SiOH4": 18.48,
    "NO3_NO2": 19.44,
    "NO2": 0.12,
    "NH4": 0.17,
    "NO3": 19.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.628, 58.9717] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 52,
    "stn_id": "GAK7",
    "water_depth": 244,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "1734",
    "depth": 30.0,
    "PO4": 1.43,
    "SiOH4": 18.72,
    "NO3_NO2": 19.54,
    "NO2": 0.1,
    "NH4": 0.24,
    "NO3": 19.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.628, 58.9717] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 52,
    "stn_id": "GAK7",
    "water_depth": 244,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "1734",
    "depth": 40.0,
    "PO4": 1.44,
    "SiOH4": 18.82,
    "NO3_NO2": 19.96,
    "NO2": 0.14,
    "NH4": 0.18,
    "NO3": 19.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.628, 58.9717] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 52,
    "stn_id": "GAK7",
    "water_depth": 244,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "1734",
    "depth": 50.0,
    "PO4": 1.48,
    "SiOH4": 19.44,
    "NO3_NO2": 20.63,
    "NO2": 0.16,
    "NH4": 0.12,
    "NO3": 20.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.628, 58.9717] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 52,
    "stn_id": "GAK7",
    "water_depth": 244,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "1734",
    "depth": 100.0,
    "PO4": 1.88,
    "SiOH4": 27.43,
    "NO3_NO2": 28.24,
    "NO2": 0.09,
    "NH4": 0.27,
    "NO3": 28.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.628, 58.9717] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 52,
    "stn_id": "GAK7",
    "water_depth": 244,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "1734",
    "depth": 150.0,
    "PO4": 2.22,
    "SiOH4": 34.88,
    "NO3_NO2": 35.04,
    "NO2": 0.07,
    "NH4": 0.17,
    "NO3": 34.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.628, 58.9717] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 52,
    "stn_id": "GAK7",
    "water_depth": 244,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "1734",
    "depth": 200.0,
    "PO4": 2.38,
    "SiOH4": 37.96,
    "NO3_NO2": 38.02,
    "NO2": 0.03,
    "NH4": 0.09,
    "NO3": 37.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.628, 58.9717] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 52,
    "stn_id": "GAK7",
    "water_depth": 244,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "1734",
    "depth": 241.0,
    "PO4": 2.54,
    "SiOH4": 42.5,
    "NO3_NO2": 40.38,
    "NO2": 0.01,
    "NH4": 0.08,
    "NO3": 40.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7708, 59.1163] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "1853",
    "depth": 0.0,
    "PO4": 1.25,
    "SiOH4": 18.79,
    "NO3_NO2": 18.14,
    "NO2": 0.18,
    "NH4": 0.05,
    "NO3": 17.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7708, 59.1163] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "1853",
    "depth": 10.0,
    "PO4": 1.36,
    "SiOH4": 18.86,
    "NO3_NO2": 18.01,
    "NO2": 0.17,
    "NH4": 0.0,
    "NO3": 17.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7708, 59.1163] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "1853",
    "depth": 20.0,
    "PO4": 1.37,
    "SiOH4": 19.0,
    "NO3_NO2": 18.25,
    "NO2": 0.17,
    "NH4": 0.0,
    "NO3": 18.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7708, 59.1163] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "1853",
    "depth": 30.0,
    "PO4": 1.38,
    "SiOH4": 18.78,
    "NO3_NO2": 17.99,
    "NO2": 0.19,
    "NH4": 0.0,
    "NO3": 17.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7708, 59.1163] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "1853",
    "depth": 40.0,
    "PO4": 1.38,
    "SiOH4": 18.85,
    "NO3_NO2": 18.17,
    "NO2": 0.18,
    "NH4": 0.03,
    "NO3": 18.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7708, 59.1163] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "1853",
    "depth": 50.0,
    "PO4": 1.4,
    "SiOH4": 19.28,
    "NO3_NO2": 18.67,
    "NO2": 0.2,
    "NH4": 0.0,
    "NO3": 18.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7708, 59.1163] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "1853",
    "depth": 100.0,
    "PO4": 1.76,
    "SiOH4": 27.44,
    "NO3_NO2": 25.23,
    "NO2": 0.19,
    "NH4": 0.0,
    "NO3": 25.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7708, 59.1163] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "1853",
    "depth": 149.0,
    "PO4": 1.96,
    "SiOH4": 31.58,
    "NO3_NO2": 28.29,
    "NO2": 0.13,
    "NH4": 0.03,
    "NO3": 28.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8401, 59.1892] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "GAK5I",
    "water_depth": 168,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "1938",
    "depth": 0.0,
    "PO4": 1.32,
    "SiOH4": 23.2,
    "NO3_NO2": 19.15,
    "NO2": 0.2,
    "NH4": 0.0,
    "NO3": 18.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8401, 59.1892] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "GAK5I",
    "water_depth": 168,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "1938",
    "depth": 10.0,
    "PO4": 1.39,
    "SiOH4": 23.05,
    "NO3_NO2": 18.83,
    "NO2": 0.19,
    "NH4": 0.03,
    "NO3": 18.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8401, 59.1892] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "GAK5I",
    "water_depth": 168,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "1938",
    "depth": 20.0,
    "PO4": 1.35,
    "SiOH4": 22.1,
    "NO3_NO2": 18.26,
    "NO2": 0.21,
    "NH4": 0.03,
    "NO3": 18.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8401, 59.1892] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "GAK5I",
    "water_depth": 168,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "1938",
    "depth": 30.0,
    "PO4": 1.29,
    "SiOH4": 21.52,
    "NO3_NO2": 17.94,
    "NO2": 0.21,
    "NH4": 0.0,
    "NO3": 17.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8401, 59.1892] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "GAK5I",
    "water_depth": 168,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "1938",
    "depth": 40.0,
    "PO4": 1.34,
    "SiOH4": 21.44,
    "NO3_NO2": 17.93,
    "NO2": 0.15,
    "NH4": 0.05,
    "NO3": 17.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8401, 59.1892] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "GAK5I",
    "water_depth": 168,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "1938",
    "depth": 50.0,
    "PO4": 1.3,
    "SiOH4": 21.0,
    "NO3_NO2": 17.99,
    "NO2": 0.16,
    "NH4": 0.1,
    "NO3": 17.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8401, 59.1892] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "GAK5I",
    "water_depth": 168,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "1938",
    "depth": 75.0,
    "PO4": 1.34,
    "SiOH4": 20.26,
    "NO3_NO2": 18.1,
    "NO2": 0.16,
    "NH4": 0.1,
    "NO3": 17.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8401, 59.1892] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "GAK5I",
    "water_depth": 168,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "1938",
    "depth": 100.0,
    "PO4": 1.62,
    "SiOH4": 25.87,
    "NO3_NO2": 23.1,
    "NO2": 0.15,
    "NH4": 0.18,
    "NO3": 22.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8401, 59.1892] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "GAK5I",
    "water_depth": 168,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "1938",
    "depth": 167.0,
    "PO4": 1.71,
    "SiOH4": 30.09,
    "NO3_NO2": 26.35,
    "NO2": 0.14,
    "NH4": 0.08,
    "NO3": 26.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9131, 59.2621] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2028",
    "depth": 0.0,
    "PO4": 1.41,
    "SiOH4": 24.04,
    "NO3_NO2": 19.7,
    "NO2": 0.21,
    "NH4": 0.13,
    "NO3": 19.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9131, 59.2621] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2028",
    "depth": 10.0,
    "PO4": 1.46,
    "SiOH4": 24.44,
    "NO3_NO2": 19.76,
    "NO2": 0.21,
    "NH4": 0.16,
    "NO3": 19.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9131, 59.2621] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2028",
    "depth": 20.0,
    "PO4": 1.49,
    "SiOH4": 24.4,
    "NO3_NO2": 19.82,
    "NO2": 0.21,
    "NH4": 0.1,
    "NO3": 19.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9131, 59.2621] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2028",
    "depth": 30.0,
    "PO4": 1.46,
    "SiOH4": 24.66,
    "NO3_NO2": 19.82,
    "NO2": 0.13,
    "NH4": 0.06,
    "NO3": 19.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9131, 59.2621] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2028",
    "depth": 40.0,
    "PO4": 1.48,
    "SiOH4": 24.77,
    "NO3_NO2": 19.75,
    "NO2": 0.13,
    "NH4": 0.08,
    "NO3": 19.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9131, 59.2621] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2028",
    "depth": 50.0,
    "PO4": 1.47,
    "SiOH4": 24.44,
    "NO3_NO2": 19.69,
    "NO2": 0.15,
    "NH4": 0.09,
    "NO3": 19.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9131, 59.2621] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2028",
    "depth": 75.0,
    "PO4": 1.48,
    "SiOH4": 24.77,
    "NO3_NO2": 20.37,
    "NO2": 0.15,
    "NH4": 0.05,
    "NO3": 20.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9131, 59.2621] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2028",
    "depth": 100.0,
    "PO4": 1.46,
    "SiOH4": 24.95,
    "NO3_NO2": 20.68,
    "NO2": 0.12,
    "NH4": 0.01,
    "NO3": 20.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9131, 59.2621] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2028",
    "depth": 165.0,
    "PO4": 1.86,
    "SiOH4": 31.03,
    "NO3_NO2": 27.25,
    "NO2": 0.09,
    "NH4": 0.0,
    "NO3": 27.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9873, 59.3348] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 56,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2115",
    "depth": 0.0,
    "PO4": 1.34,
    "SiOH4": 20.65,
    "NO3_NO2": 17.86,
    "NO2": 0.09,
    "NH4": 0.16,
    "NO3": 17.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9873, 59.3348] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 56,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2115",
    "depth": 10.0,
    "PO4": 1.37,
    "SiOH4": 19.67,
    "NO3_NO2": 18.05,
    "NO2": 0.09,
    "NH4": 0.15,
    "NO3": 17.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9873, 59.3348] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 56,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2115",
    "depth": 20.0,
    "PO4": 1.42,
    "SiOH4": 20.22,
    "NO3_NO2": 18.73,
    "NO2": 0.12,
    "NH4": 0.09,
    "NO3": 18.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9873, 59.3348] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 56,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2115",
    "depth": 30.0,
    "PO4": 1.43,
    "SiOH4": 21.42,
    "NO3_NO2": 19.42,
    "NO2": 0.14,
    "NH4": 0.25,
    "NO3": 19.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9873, 59.3348] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 56,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2115",
    "depth": 40.0,
    "PO4": 1.48,
    "SiOH4": 21.38,
    "NO3_NO2": 19.54,
    "NO2": 0.22,
    "NH4": 0.01,
    "NO3": 19.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9873, 59.3348] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 56,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2115",
    "depth": 50.0,
    "PO4": 1.41,
    "SiOH4": 21.35,
    "NO3_NO2": 19.78,
    "NO2": 0.14,
    "NH4": 0.0,
    "NO3": 19.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9873, 59.3348] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 56,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2115",
    "depth": 75.0,
    "PO4": 1.46,
    "SiOH4": 22.84,
    "NO3_NO2": 19.97,
    "NO2": 0.19,
    "NH4": 0.01,
    "NO3": 19.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9873, 59.3348] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 56,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2115",
    "depth": 125.0,
    "PO4": 1.53,
    "SiOH4": 22.15,
    "NO3_NO2": 20.47,
    "NO2": 0.14,
    "NH4": 0.15,
    "NO3": 20.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9873, 59.3348] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 56,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2115",
    "depth": 193.0,
    "PO4": 1.65,
    "SiOH4": 22.55,
    "NO3_NO2": 22.4,
    "NO2": 0.11,
    "NH4": 0.04,
    "NO3": 22.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0489, 59.4087] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2206",
    "depth": 0.0,
    "PO4": 1.49,
    "SiOH4": 25.94,
    "NO3_NO2": 20.01,
    "NO2": 0.22,
    "NH4": 0.08,
    "NO3": 19.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0489, 59.4087] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2206",
    "depth": 10.0,
    "PO4": 1.49,
    "SiOH4": 25.91,
    "NO3_NO2": 19.94,
    "NO2": 0.24,
    "NH4": 0.05,
    "NO3": 19.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0489, 59.4087] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2206",
    "depth": 20.0,
    "PO4": 1.52,
    "SiOH4": 25.66,
    "NO3_NO2": 20.0,
    "NO2": 0.23,
    "NH4": 0.03,
    "NO3": 19.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0489, 59.4087] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2206",
    "depth": 30.0,
    "PO4": 1.39,
    "SiOH4": 25.99,
    "NO3_NO2": 20.05,
    "NO2": 0.22,
    "NH4": 0.1,
    "NO3": 19.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0489, 59.4087] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2206",
    "depth": 40.0,
    "PO4": 1.36,
    "SiOH4": 26.47,
    "NO3_NO2": 20.11,
    "NO2": 0.2,
    "NH4": 0.08,
    "NO3": 19.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0489, 59.4087] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2206",
    "depth": 50.0,
    "PO4": 1.43,
    "SiOH4": 26.51,
    "NO3_NO2": 20.1,
    "NO2": 0.22,
    "NH4": 0.08,
    "NO3": 19.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0489, 59.4087] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2206",
    "depth": 75.0,
    "PO4": 1.39,
    "SiOH4": 25.82,
    "NO3_NO2": 20.1,
    "NO2": 0.21,
    "NH4": 0.05,
    "NO3": 19.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0489, 59.4087] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2206",
    "depth": 125.0,
    "PO4": 1.52,
    "SiOH4": 25.71,
    "NO3_NO2": 21.41,
    "NO2": 0.12,
    "NH4": 0.13,
    "NO3": 21.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0489, 59.4087] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2206",
    "depth": 198.0,
    "PO4": 1.79,
    "SiOH4": 28.67,
    "NO3_NO2": 25.4,
    "NO2": 0.16,
    "NH4": 0.13,
    "NO3": 25.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1228, 59.4826] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 58,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2254",
    "depth": 0.0,
    "PO4": 1.24,
    "SiOH4": 22.73,
    "NO3_NO2": 18.2,
    "NO2": 0.15,
    "NH4": 0.1,
    "NO3": 18.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1228, 59.4826] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 58,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2254",
    "depth": 10.0,
    "PO4": 1.33,
    "SiOH4": 22.55,
    "NO3_NO2": 18.38,
    "NO2": 0.17,
    "NH4": 0.1,
    "NO3": 18.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1228, 59.4826] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 58,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2254",
    "depth": 20.0,
    "PO4": 1.31,
    "SiOH4": 22.52,
    "NO3_NO2": 18.69,
    "NO2": 0.16,
    "NH4": 0.15,
    "NO3": 18.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1228, 59.4826] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 58,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2254",
    "depth": 30.0,
    "PO4": 1.38,
    "SiOH4": 22.05,
    "NO3_NO2": 19.0,
    "NO2": 0.15,
    "NH4": 0.18,
    "NO3": 18.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1228, 59.4826] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 58,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2254",
    "depth": 40.0,
    "PO4": 1.37,
    "SiOH4": 21.87,
    "NO3_NO2": 19.05,
    "NO2": 0.13,
    "NH4": 0.18,
    "NO3": 18.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1228, 59.4826] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 58,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2254",
    "depth": 50.0,
    "PO4": 1.41,
    "SiOH4": 21.69,
    "NO3_NO2": 18.98,
    "NO2": 0.12,
    "NH4": 0.2,
    "NO3": 18.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1228, 59.4826] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 58,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2254",
    "depth": 75.0,
    "PO4": 1.4,
    "SiOH4": 21.01,
    "NO3_NO2": 19.1,
    "NO2": 0.14,
    "NH4": 0.18,
    "NO3": 18.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1228, 59.4826] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 58,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2254",
    "depth": 100.0,
    "PO4": 1.53,
    "SiOH4": 21.77,
    "NO3_NO2": 20.6,
    "NO2": 0.13,
    "NH4": 0.18,
    "NO3": 20.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1228, 59.4826] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 58,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2254",
    "depth": 200.0,
    "PO4": 1.93,
    "SiOH4": 29.03,
    "NO3_NO2": 27.41,
    "NO2": 0.15,
    "NH4": 0.15,
    "NO3": 27.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1905, 59.5533] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2342",
    "depth": 0.0,
    "PO4": 1.25,
    "SiOH4": 20.25,
    "NO3_NO2": 16.57,
    "NO2": 0.17,
    "NH4": 0.43,
    "NO3": 16.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1905, 59.5533] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2342",
    "depth": 10.0,
    "PO4": 1.29,
    "SiOH4": 20.33,
    "NO3_NO2": 16.82,
    "NO2": 0.17,
    "NH4": 0.35,
    "NO3": 16.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1905, 59.5533] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2342",
    "depth": 20.0,
    "PO4": 1.45,
    "SiOH4": 22.36,
    "NO3_NO2": 19.38,
    "NO2": 0.19,
    "NH4": 0.12,
    "NO3": 19.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1905, 59.5533] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2342",
    "depth": 30.0,
    "PO4": 1.46,
    "SiOH4": 22.87,
    "NO3_NO2": 19.94,
    "NO2": 0.18,
    "NH4": 0.02,
    "NO3": 19.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1905, 59.5533] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2342",
    "depth": 40.0,
    "PO4": 1.47,
    "SiOH4": 23.09,
    "NO3_NO2": 20.0,
    "NO2": 0.17,
    "NH4": 0.02,
    "NO3": 19.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1905, 59.5533] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2342",
    "depth": 50.0,
    "PO4": 1.46,
    "SiOH4": 23.09,
    "NO3_NO2": 20.13,
    "NO2": 0.17,
    "NH4": 0.02,
    "NO3": 19.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1905, 59.5533] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2342",
    "depth": 75.0,
    "PO4": 1.51,
    "SiOH4": 22.87,
    "NO3_NO2": 20.37,
    "NO2": 0.19,
    "NH4": 0.04,
    "NO3": 20.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1905, 59.5533] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2342",
    "depth": 125.0,
    "PO4": 1.46,
    "SiOH4": 21.49,
    "NO3_NO2": 19.74,
    "NO2": 0.15,
    "NH4": 0.11,
    "NO3": 19.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1905, 59.5533] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "4",
    "day_gmt": "25",
    "time_gmt": "2342",
    "depth": 211.0,
    "PO4": 1.69,
    "SiOH4": 23.97,
    "NO3_NO2": 23.24,
    "NO2": 0.15,
    "NH4": 0.01,
    "NO3": 23.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2599, 59.6262] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 61,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0048",
    "depth": 0.0,
    "PO4": 1.31,
    "SiOH4": 15.81,
    "NO3_NO2": 17.55,
    "NO2": 0.17,
    "NH4": 0.24,
    "NO3": 17.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2599, 59.6262] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 61,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0048",
    "depth": 10.0,
    "PO4": 1.36,
    "SiOH4": 16.03,
    "NO3_NO2": 17.79,
    "NO2": 0.19,
    "NH4": 0.19,
    "NO3": 17.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2599, 59.6262] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 61,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0048",
    "depth": 20.0,
    "PO4": 1.47,
    "SiOH4": 17.48,
    "NO3_NO2": 19.29,
    "NO2": 0.21,
    "NH4": 0.34,
    "NO3": 19.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2599, 59.6262] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 61,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0048",
    "depth": 30.0,
    "PO4": 1.48,
    "SiOH4": 17.34,
    "NO3_NO2": 19.29,
    "NO2": 0.23,
    "NH4": 0.31,
    "NO3": 19.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2599, 59.6262] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 61,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0048",
    "depth": 40.0,
    "PO4": 1.43,
    "SiOH4": 16.76,
    "NO3_NO2": 19.04,
    "NO2": 0.2,
    "NH4": 0.21,
    "NO3": 18.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2599, 59.6262] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 61,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0048",
    "depth": 50.0,
    "PO4": 1.42,
    "SiOH4": 17.12,
    "NO3_NO2": 19.35,
    "NO2": 0.22,
    "NH4": 0.18,
    "NO3": 19.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2599, 59.6262] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 61,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0048",
    "depth": 75.0,
    "PO4": 1.43,
    "SiOH4": 17.05,
    "NO3_NO2": 19.34,
    "NO2": 0.21,
    "NH4": 0.08,
    "NO3": 19.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2599, 59.6262] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 61,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0048",
    "depth": 125.0,
    "PO4": 1.43,
    "SiOH4": 16.32,
    "NO3_NO2": 19.03,
    "NO2": 0.2,
    "NH4": 0.03,
    "NO3": 18.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2599, 59.6262] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 61,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0048",
    "depth": 231.0,
    "PO4": 1.64,
    "SiOH4": 18.43,
    "NO3_NO2": 22.4,
    "NO2": 0.2,
    "NH4": 0.03,
    "NO3": 22.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3296, 59.6919] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 62,
    "stn_id": "GAK2",
    "water_depth": 229,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0136",
    "depth": 0.0,
    "PO4": 1.21,
    "SiOH4": 15.91,
    "NO3_NO2": 15.22,
    "NO2": 0.16,
    "NH4": 0.38,
    "NO3": 15.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3296, 59.6919] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 62,
    "stn_id": "GAK2",
    "water_depth": 229,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0136",
    "depth": 10.0,
    "PO4": 1.22,
    "SiOH4": 15.88,
    "NO3_NO2": 15.14,
    "NO2": 0.12,
    "NH4": 0.39,
    "NO3": 15.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3296, 59.6919] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 62,
    "stn_id": "GAK2",
    "water_depth": 229,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0136",
    "depth": 20.0,
    "PO4": 1.29,
    "SiOH4": 16.52,
    "NO3_NO2": 15.3,
    "NO2": 0.14,
    "NH4": 0.38,
    "NO3": 15.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3296, 59.6919] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 62,
    "stn_id": "GAK2",
    "water_depth": 229,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0136",
    "depth": 30.0,
    "PO4": 1.36,
    "SiOH4": 17.95,
    "NO3_NO2": 17.16,
    "NO2": 0.15,
    "NH4": 0.35,
    "NO3": 17.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3296, 59.6919] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 62,
    "stn_id": "GAK2",
    "water_depth": 229,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0136",
    "depth": 40.0,
    "PO4": 1.45,
    "SiOH4": 19.38,
    "NO3_NO2": 18.32,
    "NO2": 0.17,
    "NH4": 0.21,
    "NO3": 18.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3296, 59.6919] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 62,
    "stn_id": "GAK2",
    "water_depth": 229,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0136",
    "depth": 50.0,
    "PO4": 1.45,
    "SiOH4": 20.02,
    "NO3_NO2": 18.99,
    "NO2": 0.16,
    "NH4": 0.02,
    "NO3": 18.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3296, 59.6919] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 62,
    "stn_id": "GAK2",
    "water_depth": 229,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0136",
    "depth": 75.0,
    "PO4": 1.49,
    "SiOH4": 20.5,
    "NO3_NO2": 19.65,
    "NO2": 0.14,
    "NH4": 0.03,
    "NO3": 19.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3296, 59.6919] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 62,
    "stn_id": "GAK2",
    "water_depth": 229,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0136",
    "depth": 125.0,
    "PO4": 1.56,
    "SiOH4": 21.06,
    "NO3_NO2": 20.44,
    "NO2": 0.13,
    "NH4": 0.0,
    "NO3": 20.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3296, 59.6919] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 62,
    "stn_id": "GAK2",
    "water_depth": 229,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0136",
    "depth": 231.0,
    "PO4": 1.94,
    "SiOH4": 25.19,
    "NO3_NO2": 25.05,
    "NO2": 0.15,
    "NH4": 0.01,
    "NO3": 24.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3986, 59.7661] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 63,
    "stn_id": "GAK1I",
    "water_depth": 265,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0234",
    "depth": 0.0,
    "PO4": 0.53,
    "SiOH4": 3.24,
    "NO3_NO2": 3.88,
    "NO2": 0.05,
    "NH4": 0.23,
    "NO3": 3.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3986, 59.7661] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 63,
    "stn_id": "GAK1I",
    "water_depth": 265,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0234",
    "depth": 10.0,
    "PO4": 0.66,
    "SiOH4": 4.24,
    "NO3_NO2": 5.55,
    "NO2": 0.1,
    "NH4": 0.42,
    "NO3": 5.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3986, 59.7661] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 63,
    "stn_id": "GAK1I",
    "water_depth": 265,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0234",
    "depth": 20.0,
    "PO4": 0.81,
    "SiOH4": 6.18,
    "NO3_NO2": 7.65,
    "NO2": 0.11,
    "NH4": 0.48,
    "NO3": 7.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3986, 59.7661] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 63,
    "stn_id": "GAK1I",
    "water_depth": 265,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0234",
    "depth": 30.0,
    "PO4": 0.96,
    "SiOH4": 9.29,
    "NO3_NO2": 10.19,
    "NO2": 0.12,
    "NH4": 0.85,
    "NO3": 10.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3986, 59.7661] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 63,
    "stn_id": "GAK1I",
    "water_depth": 265,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0234",
    "depth": 40.0,
    "PO4": 1.07,
    "SiOH4": 11.89,
    "NO3_NO2": 12.05,
    "NO2": 0.14,
    "NH4": 1.16,
    "NO3": 11.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3986, 59.7661] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 63,
    "stn_id": "GAK1I",
    "water_depth": 265,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0234",
    "depth": 50.0,
    "PO4": 1.12,
    "SiOH4": 13.4,
    "NO3_NO2": 13.34,
    "NO2": 0.15,
    "NH4": 1.02,
    "NO3": 13.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3986, 59.7661] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 63,
    "stn_id": "GAK1I",
    "water_depth": 265,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0234",
    "depth": 75.0,
    "PO4": 1.38,
    "SiOH4": 18.77,
    "NO3_NO2": 17.45,
    "NO2": 0.17,
    "NH4": 0.94,
    "NO3": 17.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3986, 59.7661] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 63,
    "stn_id": "GAK1I",
    "water_depth": 265,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0234",
    "depth": 100.0,
    "PO4": 1.48,
    "SiOH4": 22.02,
    "NO3_NO2": 20.86,
    "NO2": 0.24,
    "NH4": 0.2,
    "NO3": 20.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3986, 59.7661] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 63,
    "stn_id": "GAK1I",
    "water_depth": 265,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0234",
    "depth": 150.0,
    "PO4": 1.54,
    "SiOH4": 21.56,
    "NO3_NO2": 20.15,
    "NO2": 0.23,
    "NH4": 0.11,
    "NO3": 19.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3986, 59.7661] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 63,
    "stn_id": "GAK1I",
    "water_depth": 265,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0234",
    "depth": 200.0,
    "PO4": 1.48,
    "SiOH4": 20.37,
    "NO3_NO2": 19.38,
    "NO2": 0.24,
    "NH4": 0.12,
    "NO3": 19.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3986, 59.7661] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 63,
    "stn_id": "GAK1I",
    "water_depth": 265,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0234",
    "depth": 259.0,
    "PO4": 1.96,
    "SiOH4": 26.39,
    "NO3_NO2": 25.49,
    "NO2": 0.23,
    "NH4": 0.14,
    "NO3": 25.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4691, 59.8442] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 64,
    "stn_id": "GAK1",
    "water_depth": 273,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0326",
    "depth": 0.0,
    "PO4": 0.14,
    "SiOH4": 0.67,
    "NO3_NO2": 0.05,
    "NO2": 0.02,
    "NH4": 0.04,
    "NO3": 0.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4691, 59.8442] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 64,
    "stn_id": "GAK1",
    "water_depth": 273,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0326",
    "depth": 10.0,
    "PO4": 0.21,
    "SiOH4": 0.61,
    "NO3_NO2": 0.34,
    "NO2": 0.01,
    "NH4": 0.2,
    "NO3": 0.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4691, 59.8442] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 64,
    "stn_id": "GAK1",
    "water_depth": 273,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0326",
    "depth": 20.0,
    "PO4": 0.38,
    "SiOH4": 1.93,
    "NO3_NO2": 2.39,
    "NO2": 0.0,
    "NH4": 0.62,
    "NO3": 2.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4691, 59.8442] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 64,
    "stn_id": "GAK1",
    "water_depth": 273,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0326",
    "depth": 30.0,
    "PO4": 0.71,
    "SiOH4": 5.0,
    "NO3_NO2": 5.44,
    "NO2": 0.02,
    "NH4": 1.21,
    "NO3": 5.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4691, 59.8442] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 64,
    "stn_id": "GAK1",
    "water_depth": 273,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0326",
    "depth": 40.0,
    "PO4": 0.98,
    "SiOH4": 9.09,
    "NO3_NO2": 9.18,
    "NO2": 0.04,
    "NH4": 1.95,
    "NO3": 9.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4691, 59.8442] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 64,
    "stn_id": "GAK1",
    "water_depth": 273,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0326",
    "depth": 50.0,
    "PO4": 1.06,
    "SiOH4": 12.46,
    "NO3_NO2": 11.79,
    "NO2": 0.08,
    "NH4": 1.59,
    "NO3": 11.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4691, 59.8442] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 64,
    "stn_id": "GAK1",
    "water_depth": 273,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0326",
    "depth": 75.0,
    "PO4": 1.25,
    "SiOH4": 17.13,
    "NO3_NO2": 15.16,
    "NO2": 0.13,
    "NH4": 1.07,
    "NO3": 15.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4691, 59.8442] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 64,
    "stn_id": "GAK1",
    "water_depth": 273,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0326",
    "depth": 100.0,
    "PO4": 1.38,
    "SiOH4": 22.83,
    "NO3_NO2": 19.02,
    "NO2": 0.14,
    "NH4": 0.5,
    "NO3": 18.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4691, 59.8442] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 64,
    "stn_id": "GAK1",
    "water_depth": 273,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0326",
    "depth": 150.0,
    "PO4": 1.5,
    "SiOH4": 23.86,
    "NO3_NO2": 20.82,
    "NO2": 0.11,
    "NH4": 0.01,
    "NO3": 20.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4691, 59.8442] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 64,
    "stn_id": "GAK1",
    "water_depth": 273,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0326",
    "depth": 250.0,
    "PO4": 1.76,
    "SiOH4": 26.42,
    "NO3_NO2": 24.81,
    "NO2": 0.13,
    "NH4": 0.0,
    "NO3": 24.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4691, 59.8442] },
  "properties": {
    "cruise_id": "HX230",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 64,
    "stn_id": "GAK1",
    "water_depth": 273,
    "month_gmt": "4",
    "day_gmt": "26",
    "time_gmt": "0326",
    "depth": 268.0,
    "PO4": 1.83,
    "SiOH4": 27.16,
    "NO3_NO2": 25.36,
    "NO2": 0.17,
    "NH4": 0.01,
    "NO3": 25.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3568, 60.0253] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "5",
    "day_gmt": "17",
    "time_gmt": "1820",
    "depth": 10.0,
    "PO4": 0.23,
    "SiOH4": 2.91,
    "NO3_NO2": 0.1,
    "NO2": 0.01,
    "NH4": 0.24,
    "NO3": 0.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3568, 60.0253] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "5",
    "day_gmt": "17",
    "time_gmt": "1820",
    "depth": 20.0,
    "PO4": 0.66,
    "SiOH4": 3.75,
    "NO3_NO2": 3.94,
    "NO2": 0.11,
    "NH4": 3.36,
    "NO3": 3.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3568, 60.0253] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "5",
    "day_gmt": "17",
    "time_gmt": "1820",
    "depth": 30.0,
    "PO4": 0.78,
    "SiOH4": 8.26,
    "NO3_NO2": 5.12,
    "NO2": 0.19,
    "NH4": 2.26,
    "NO3": 4.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3568, 60.0253] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "5",
    "day_gmt": "17",
    "time_gmt": "1820",
    "depth": 50.0,
    "PO4": 1.36,
    "SiOH4": 8.72,
    "NO3_NO2": 8.63,
    "NO2": 0.17,
    "NH4": 6.09,
    "NO3": 8.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3568, 60.0253] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "5",
    "day_gmt": "17",
    "time_gmt": "1820",
    "depth": 75.0,
    "PO4": 1.28,
    "SiOH4": 15.44,
    "NO3_NO2": 13.13,
    "NO2": 0.18,
    "NH4": 3.61,
    "NO3": 12.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3568, 60.0253] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "5",
    "day_gmt": "17",
    "time_gmt": "1820",
    "depth": 150.0,
    "PO4": 1.8,
    "SiOH4": 32.64,
    "NO3_NO2": 26.09,
    "NO2": 0.17,
    "NH4": 0.07,
    "NO3": 25.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3568, 60.0253] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "5",
    "day_gmt": "17",
    "time_gmt": "1820",
    "depth": 200.0,
    "PO4": 1.89,
    "SiOH4": 34.02,
    "NO3_NO2": 27.11,
    "NO2": 0.12,
    "NH4": 0.28,
    "NO3": 26.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.467, 59.8449] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "5",
    "day_gmt": "17",
    "time_gmt": "2009",
    "depth": 10.0,
    "PO4": 0.54,
    "SiOH4": 4.66,
    "NO3_NO2": 2.89,
    "NO2": 0.05,
    "NH4": 0.77,
    "NO3": 2.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.467, 59.8449] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "5",
    "day_gmt": "17",
    "time_gmt": "2009",
    "depth": 20.0,
    "PO4": 0.71,
    "SiOH4": 6.96,
    "NO3_NO2": 5.74,
    "NO2": 0.06,
    "NH4": 1.2,
    "NO3": 5.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.467, 59.8449] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "5",
    "day_gmt": "17",
    "time_gmt": "2009",
    "depth": 30.0,
    "PO4": 0.83,
    "SiOH4": 10.09,
    "NO3_NO2": 7.66,
    "NO2": 0.08,
    "NH4": 0.88,
    "NO3": 7.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.467, 59.8449] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "5",
    "day_gmt": "17",
    "time_gmt": "2009",
    "depth": 40.0,
    "PO4": 0.97,
    "SiOH4": 12.23,
    "NO3_NO2": 8.76,
    "NO2": 0.12,
    "NH4": 2.24,
    "NO3": 8.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.467, 59.8449] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "5",
    "day_gmt": "17",
    "time_gmt": "2009",
    "depth": 50.0,
    "PO4": 1.01,
    "SiOH4": 12.38,
    "NO3_NO2": 9.11,
    "NO2": 0.11,
    "NH4": 2.45,
    "NO3": 9.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.467, 59.8449] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "5",
    "day_gmt": "17",
    "time_gmt": "2009",
    "depth": 75.0,
    "PO4": 1.37,
    "SiOH4": 21.1,
    "NO3_NO2": 14.94,
    "NO2": 0.12,
    "NH4": 3.29,
    "NO3": 14.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.467, 59.8449] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "5",
    "day_gmt": "17",
    "time_gmt": "2009",
    "depth": 100.0,
    "PO4": 1.55,
    "SiOH4": 28.13,
    "NO3_NO2": 20.11,
    "NO2": 0.1,
    "NH4": 1.75,
    "NO3": 20.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.467, 59.8449] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "5",
    "day_gmt": "17",
    "time_gmt": "2009",
    "depth": 150.0,
    "PO4": 1.69,
    "SiOH4": 30.89,
    "NO3_NO2": 24.36,
    "NO2": 0.09,
    "NH4": 0.21,
    "NO3": 24.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.467, 59.8449] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "5",
    "day_gmt": "17",
    "time_gmt": "2009",
    "depth": 200.0,
    "PO4": 1.77,
    "SiOH4": 32.11,
    "NO3_NO2": 26.04,
    "NO2": 0.02,
    "NH4": 0.04,
    "NO3": 26.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7952, 58.0982] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK13",
    "water_depth": 2089,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "1312",
    "depth": 0.0,
    "PO4": 0.84,
    "SiOH4": 3.05,
    "NO3_NO2": 8.3,
    "NO2": 0.12,
    "NH4": 0.12,
    "NO3": 8.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7952, 58.0982] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK13",
    "water_depth": 2089,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "1312",
    "depth": 0.0,
    "PO4": 0.8,
    "SiOH4": 3.12,
    "NO3_NO2": 8.12,
    "NO2": 0.09,
    "NH4": 0.03,
    "NO3": 8.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7952, 58.0982] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK13",
    "water_depth": 2089,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "1312",
    "depth": 0.0,
    "PO4": 0.79,
    "SiOH4": 3.12,
    "NO3_NO2": 8.55,
    "NO2": 0.06,
    "NH4": 0.02,
    "NO3": 8.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7952, 58.0982] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK13",
    "water_depth": 2089,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "1312",
    "depth": 15.0,
    "PO4": 1.09,
    "SiOH4": 10.91,
    "NO3_NO2": 13.62,
    "NO2": 0.06,
    "NH4": 0.02,
    "NO3": 13.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7952, 58.0982] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK13",
    "water_depth": 2089,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "1312",
    "depth": 30.0,
    "PO4": 1.47,
    "SiOH4": 20.85,
    "NO3_NO2": 21.26,
    "NO2": 0.06,
    "NH4": 0.15,
    "NO3": 21.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7952, 58.0982] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK13",
    "water_depth": 2089,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "1312",
    "depth": 30.0,
    "PO4": 1.52,
    "SiOH4": 22.07,
    "NO3_NO2": 21.31,
    "NO2": 0.09,
    "NH4": 0.21,
    "NO3": 21.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7952, 58.0982] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK13",
    "water_depth": 2089,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "1312",
    "depth": 50.0,
    "PO4": 1.72,
    "SiOH4": 28.25,
    "NO3_NO2": 24.78,
    "NO2": 0.09,
    "NH4": 0.11,
    "NO3": 24.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7952, 58.0982] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK13",
    "water_depth": 2089,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "1312",
    "depth": 100.0,
    "PO4": 2.48,
    "SiOH4": 49.66,
    "NO3_NO2": 38.74,
    "NO2": 0.0,
    "NH4": 0.02,
    "NO3": 38.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7952, 58.0982] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK13",
    "water_depth": 2089,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "1312",
    "depth": 250.0,
    "PO4": 3.05,
    "SiOH4": null,
    "NO3_NO2": 47.07,
    "NO2": 0.0,
    "NH4": 0.01,
    "NO3": 47.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7952, 58.0982] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK13",
    "water_depth": 2089,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "1312",
    "depth": 500.0,
    "PO4": 3.37,
    "SiOH4": null,
    "NO3_NO2": 49.93,
    "NO2": 0.0,
    "NH4": 0.01,
    "NO3": 49.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7952, 58.0982] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK13",
    "water_depth": 2089,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "1312",
    "depth": 1000.0,
    "PO4": 3.49,
    "SiOH4": null,
    "NO3_NO2": 50.58,
    "NO2": 0.06,
    "NH4": 0.07,
    "NO3": 50.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7952, 58.0982] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK13",
    "water_depth": 2089,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "1312",
    "depth": 1500.0,
    "PO4": 3.39,
    "SiOH4": null,
    "NO3_NO2": 50.25,
    "NO2": 0.06,
    "NH4": 0.01,
    "NO3": 50.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7984, 58.0918] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK13",
    "water_depth": 2089,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "1532",
    "depth": 0.0,
    "PO4": 0.66,
    "SiOH4": 2.09,
    "NO3_NO2": 8.78,
    "NO2": 0.17,
    "NH4": 0.05,
    "NO3": 8.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7984, 58.0918] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK13",
    "water_depth": 2089,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "1532",
    "depth": 5.0,
    "PO4": 0.66,
    "SiOH4": 1.95,
    "NO3_NO2": 8.75,
    "NO2": 0.2,
    "NH4": 0.04,
    "NO3": 8.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7984, 58.0918] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK13",
    "water_depth": 2089,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "1532",
    "depth": 8.0,
    "PO4": 0.69,
    "SiOH4": 2.05,
    "NO3_NO2": 9.1,
    "NO2": 0.32,
    "NH4": 0.27,
    "NO3": 8.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7984, 58.0918] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK13",
    "water_depth": 2089,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "1532",
    "depth": 14.0,
    "PO4": 0.74,
    "SiOH4": 2.99,
    "NO3_NO2": 9.45,
    "NO2": 0.14,
    "NH4": 0.17,
    "NO3": 9.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7984, 58.0918] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK13",
    "water_depth": 2089,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "1532",
    "depth": 20.0,
    "PO4": 1.01,
    "SiOH4": 9.67,
    "NO3_NO2": 13.29,
    "NO2": 0.14,
    "NH4": 0.18,
    "NO3": 13.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7984, 58.0918] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK13",
    "water_depth": 2089,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "1532",
    "depth": 30.0,
    "PO4": 1.31,
    "SiOH4": 18.1,
    "NO3_NO2": 18.35,
    "NO2": 0.12,
    "NH4": 0.36,
    "NO3": 18.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9359, 58.2448] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "GAK12",
    "water_depth": 2162,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "1717",
    "depth": 0.0,
    "PO4": 0.95,
    "SiOH4": 11.38,
    "NO3_NO2": 11.82,
    "NO2": 0.22,
    "NH4": 0.03,
    "NO3": 11.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9359, 58.2448] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "GAK12",
    "water_depth": 2162,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "1717",
    "depth": 50.0,
    "PO4": 1.72,
    "SiOH4": 34.43,
    "NO3_NO2": 24.19,
    "NO2": 0.2,
    "NH4": 0.31,
    "NO3": 24.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9359, 58.2448] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "GAK12",
    "water_depth": 2162,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "1717",
    "depth": 75.0,
    "PO4": 2.01,
    "SiOH4": 40.58,
    "NO3_NO2": 28.74,
    "NO2": 0.18,
    "NH4": 0.28,
    "NO3": 28.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9359, 58.2448] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "GAK12",
    "water_depth": 2162,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "1717",
    "depth": 100.0,
    "PO4": 2.29,
    "SiOH4": 47.95,
    "NO3_NO2": 33.96,
    "NO2": 0.1,
    "NH4": 0.09,
    "NO3": 33.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9359, 58.2448] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "GAK12",
    "water_depth": 2162,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "1717",
    "depth": 250.0,
    "PO4": 3.02,
    "SiOH4": null,
    "NO3_NO2": 45.12,
    "NO2": 0.05,
    "NH4": 0.09,
    "NO3": 45.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9359, 58.2448] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "GAK12",
    "water_depth": 2162,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "1717",
    "depth": 500.0,
    "PO4": 3.31,
    "SiOH4": null,
    "NO3_NO2": 49.05,
    "NO2": 0.06,
    "NH4": 0.09,
    "NO3": 49.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9359, 58.2448] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "GAK12",
    "water_depth": 2162,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "1717",
    "depth": 1000.0,
    "PO4": 3.41,
    "SiOH4": null,
    "NO3_NO2": 50.56,
    "NO2": 0.09,
    "NH4": 0.13,
    "NO3": 50.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9359, 58.2448] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "GAK12",
    "water_depth": 2162,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "1717",
    "depth": 1500.0,
    "PO4": 3.33,
    "SiOH4": null,
    "NO3_NO2": 49.48,
    "NO2": 0.1,
    "NH4": 0.09,
    "NO3": 49.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0726, 58.387] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK11",
    "water_depth": 1442,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "1948",
    "depth": 0.0,
    "PO4": 1.06,
    "SiOH4": 16.24,
    "NO3_NO2": 14.35,
    "NO2": 0.31,
    "NH4": 0.09,
    "NO3": 14.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0726, 58.387] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK11",
    "water_depth": 1442,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "1948",
    "depth": 25.0,
    "PO4": 1.44,
    "SiOH4": 24.99,
    "NO3_NO2": 19.42,
    "NO2": 0.23,
    "NH4": 0.59,
    "NO3": 19.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0726, 58.387] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK11",
    "water_depth": 1442,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "1948",
    "depth": 50.0,
    "PO4": 1.63,
    "SiOH4": 27.85,
    "NO3_NO2": 22.07,
    "NO2": 0.24,
    "NH4": 0.75,
    "NO3": 21.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0726, 58.387] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK11",
    "water_depth": 1442,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "1948",
    "depth": 75.0,
    "PO4": 1.94,
    "SiOH4": 37.29,
    "NO3_NO2": 28.05,
    "NO2": 0.25,
    "NH4": 0.56,
    "NO3": 27.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0726, 58.387] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK11",
    "water_depth": 1442,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "1948",
    "depth": 100.0,
    "PO4": 2.24,
    "SiOH4": 45.12,
    "NO3_NO2": 34.27,
    "NO2": 0.08,
    "NH4": 0.03,
    "NO3": 34.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0726, 58.387] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK11",
    "water_depth": 1442,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "1948",
    "depth": 250.0,
    "PO4": 3.01,
    "SiOH4": null,
    "NO3_NO2": 46.03,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 46.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0726, 58.387] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK11",
    "water_depth": 1442,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "1948",
    "depth": 500.0,
    "PO4": 3.31,
    "SiOH4": null,
    "NO3_NO2": 49.51,
    "NO2": 0.01,
    "NH4": 0.03,
    "NO3": 49.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0726, 58.387] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK11",
    "water_depth": 1442,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "1948",
    "depth": 750.0,
    "PO4": 3.4,
    "SiOH4": null,
    "NO3_NO2": 49.72,
    "NO2": 0.02,
    "NH4": 0.03,
    "NO3": 49.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0726, 58.387] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK11",
    "water_depth": 1442,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "1948",
    "depth": 1000.0,
    "PO4": 3.35,
    "SiOH4": null,
    "NO3_NO2": 49.4,
    "NO2": 0.06,
    "NH4": null,
    "NO3": 49.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2119, 58.5416] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK10",
    "water_depth": 1487,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "2234",
    "depth": 0.0,
    "PO4": 0.8,
    "SiOH4": 15.76,
    "NO3_NO2": 10.48,
    "NO2": 0.05,
    "NH4": 0.23,
    "NO3": 10.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2119, 58.5416] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK10",
    "water_depth": 1487,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "2234",
    "depth": 25.0,
    "PO4": 1.1,
    "SiOH4": 13.76,
    "NO3_NO2": 14.44,
    "NO2": 0.08,
    "NH4": 0.1,
    "NO3": 14.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2119, 58.5416] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK10",
    "water_depth": 1487,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "2234",
    "depth": 50.0,
    "PO4": 1.4,
    "SiOH4": 21.45,
    "NO3_NO2": 18.7,
    "NO2": 0.05,
    "NH4": 0.24,
    "NO3": 18.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2119, 58.5416] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK10",
    "water_depth": 1487,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "2234",
    "depth": 75.0,
    "PO4": 1.49,
    "SiOH4": 24.12,
    "NO3_NO2": 20.3,
    "NO2": 0.05,
    "NH4": 0.22,
    "NO3": 20.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2119, 58.5416] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK10",
    "water_depth": 1487,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "2234",
    "depth": 100.0,
    "PO4": 1.57,
    "SiOH4": 28.28,
    "NO3_NO2": 21.32,
    "NO2": 0.08,
    "NH4": 0.42,
    "NO3": 21.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2119, 58.5416] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK10",
    "water_depth": 1487,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "2234",
    "depth": 250.0,
    "PO4": 2.64,
    "SiOH4": 66.05,
    "NO3_NO2": 39.68,
    "NO2": 0.08,
    "NH4": 0.15,
    "NO3": 39.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2119, 58.5416] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK10",
    "water_depth": 1487,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "2234",
    "depth": 500.0,
    "PO4": 3.0,
    "SiOH4": 88.89,
    "NO3_NO2": 43.76,
    "NO2": 0.05,
    "NH4": 0.05,
    "NO3": 43.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2119, 58.5416] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK10",
    "water_depth": 1487,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "2234",
    "depth": 750.0,
    "PO4": 3.13,
    "SiOH4": null,
    "NO3_NO2": 44.72,
    "NO2": 0.05,
    "NH4": 0.22,
    "NO3": 44.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2119, 58.5416] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK10",
    "water_depth": 1487,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "2234",
    "depth": 1000.0,
    "PO4": 3.15,
    "SiOH4": null,
    "NO3_NO2": 44.86,
    "NO2": 0.03,
    "NH4": 0.11,
    "NO3": 44.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2119, 58.5416] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK10",
    "water_depth": 1487,
    "month_gmt": "5",
    "day_gmt": "18",
    "time_gmt": "2234",
    "depth": 1449.0,
    "PO4": 3.09,
    "SiOH4": null,
    "NO3_NO2": 44.58,
    "NO2": 0.03,
    "NH4": 0.09,
    "NO3": 44.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2773, 58.6112] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0030",
    "depth": 0.0,
    "PO4": 0.88,
    "SiOH4": 8.82,
    "NO3_NO2": 8.99,
    "NO2": 0.13,
    "NH4": 0.22,
    "NO3": 8.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2773, 58.6112] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0030",
    "depth": 10.0,
    "PO4": 0.85,
    "SiOH4": 9.47,
    "NO3_NO2": 9.56,
    "NO2": 0.05,
    "NH4": 0.18,
    "NO3": 9.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2773, 58.6112] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0030",
    "depth": 30.0,
    "PO4": 1.15,
    "SiOH4": 14.1,
    "NO3_NO2": 14.78,
    "NO2": 0.13,
    "NH4": 0.11,
    "NO3": 14.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2773, 58.6112] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0030",
    "depth": 40.0,
    "PO4": 1.33,
    "SiOH4": 20.31,
    "NO3_NO2": 18.15,
    "NO2": 0.1,
    "NH4": 0.29,
    "NO3": 18.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2773, 58.6112] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0030",
    "depth": 50.0,
    "PO4": 1.37,
    "SiOH4": 20.15,
    "NO3_NO2": 18.11,
    "NO2": 0.1,
    "NH4": 0.35,
    "NO3": 18.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2773, 58.6112] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0030",
    "depth": 75.0,
    "PO4": 1.4,
    "SiOH4": 21.91,
    "NO3_NO2": 19.48,
    "NO2": 0.13,
    "NH4": 0.46,
    "NO3": 19.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2773, 58.6112] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0030",
    "depth": 100.0,
    "PO4": 1.69,
    "SiOH4": 31.72,
    "NO3_NO2": 24.79,
    "NO2": 0.08,
    "NH4": 0.28,
    "NO3": 24.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2773, 58.6112] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0030",
    "depth": 250.0,
    "PO4": 2.4,
    "SiOH4": 59.22,
    "NO3_NO2": 38.1,
    "NO2": 0.05,
    "NH4": 0.15,
    "NO3": 38.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2773, 58.6112] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0030",
    "depth": 500.0,
    "PO4": 2.93,
    "SiOH4": null,
    "NO3_NO2": 42.76,
    "NO2": 0.05,
    "NH4": 0.15,
    "NO3": 42.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2773, 58.6112] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0030",
    "depth": 635.0,
    "PO4": 3.0,
    "SiOH4": null,
    "NO3_NO2": 43.19,
    "NO2": 0.05,
    "NH4": 0.21,
    "NO3": 43.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.348, 58.6793] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK9",
    "water_depth": 276,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0148",
    "depth": 0.0,
    "PO4": 0.73,
    "SiOH4": 11.26,
    "NO3_NO2": 7.19,
    "NO2": 0.05,
    "NH4": 0.32,
    "NO3": 7.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.348, 58.6793] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK9",
    "water_depth": 276,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0148",
    "depth": 10.0,
    "PO4": 0.73,
    "SiOH4": 10.95,
    "NO3_NO2": 7.14,
    "NO2": 0.04,
    "NH4": 0.28,
    "NO3": 7.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.348, 58.6793] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK9",
    "water_depth": 276,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0148",
    "depth": 20.0,
    "PO4": 0.89,
    "SiOH4": 14.25,
    "NO3_NO2": 10.26,
    "NO2": 0.07,
    "NH4": 0.25,
    "NO3": 10.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.348, 58.6793] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK9",
    "water_depth": 276,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0148",
    "depth": 30.0,
    "PO4": 0.99,
    "SiOH4": 13.65,
    "NO3_NO2": 11.79,
    "NO2": 0.09,
    "NH4": 0.35,
    "NO3": 11.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.348, 58.6793] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK9",
    "water_depth": 276,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0148",
    "depth": 40.0,
    "PO4": 1.04,
    "SiOH4": 14.12,
    "NO3_NO2": 12.63,
    "NO2": 0.09,
    "NH4": 0.35,
    "NO3": 12.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.348, 58.6793] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK9",
    "water_depth": 276,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0148",
    "depth": 50.0,
    "PO4": 1.14,
    "SiOH4": 14.73,
    "NO3_NO2": 13.57,
    "NO2": 0.09,
    "NH4": 0.48,
    "NO3": 13.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.348, 58.6793] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK9",
    "water_depth": 276,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0148",
    "depth": 75.0,
    "PO4": 1.36,
    "SiOH4": 21.21,
    "NO3_NO2": 17.99,
    "NO2": 0.06,
    "NH4": 0.33,
    "NO3": 17.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.348, 58.6793] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK9",
    "water_depth": 276,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0148",
    "depth": 100.0,
    "PO4": 1.47,
    "SiOH4": 25.14,
    "NO3_NO2": 20.53,
    "NO2": 0.06,
    "NH4": 0.41,
    "NO3": 20.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.348, 58.6793] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK9",
    "water_depth": 276,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0148",
    "depth": 200.0,
    "PO4": 2.21,
    "SiOH4": 46.55,
    "NO3_NO2": 33.47,
    "NO2": 0.0,
    "NH4": 0.26,
    "NO3": 33.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.348, 58.6793] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK9",
    "water_depth": 276,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0148",
    "depth": 269.0,
    "PO4": 2.69,
    "SiOH4": null,
    "NO3_NO2": 39.47,
    "NO2": 0.0,
    "NH4": 0.17,
    "NO3": 39.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4206, 58.7439] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "GAK8I",
    "water_depth": 288,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0300",
    "depth": 0.0,
    "PO4": 0.96,
    "SiOH4": 20.45,
    "NO3_NO2": 9.79,
    "NO2": 0.03,
    "NH4": 1.02,
    "NO3": 9.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4206, 58.7439] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "GAK8I",
    "water_depth": 288,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0300",
    "depth": 10.0,
    "PO4": 0.91,
    "SiOH4": 19.36,
    "NO3_NO2": 9.56,
    "NO2": 0.05,
    "NH4": 0.91,
    "NO3": 9.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4206, 58.7439] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "GAK8I",
    "water_depth": 288,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0300",
    "depth": 20.0,
    "PO4": 0.85,
    "SiOH4": 15.94,
    "NO3_NO2": 8.33,
    "NO2": 0.05,
    "NH4": 0.76,
    "NO3": 8.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4206, 58.7439] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "GAK8I",
    "water_depth": 288,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0300",
    "depth": 30.0,
    "PO4": 1.0,
    "SiOH4": 18.38,
    "NO3_NO2": 11.93,
    "NO2": 0.04,
    "NH4": 0.7,
    "NO3": 11.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4206, 58.7439] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "GAK8I",
    "water_depth": 288,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0300",
    "depth": 40.0,
    "PO4": 1.05,
    "SiOH4": 18.57,
    "NO3_NO2": 12.7,
    "NO2": 0.07,
    "NH4": 0.66,
    "NO3": 12.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4206, 58.7439] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "GAK8I",
    "water_depth": 288,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0300",
    "depth": 50.0,
    "PO4": 1.17,
    "SiOH4": 19.95,
    "NO3_NO2": 15.29,
    "NO2": 0.09,
    "NH4": 0.35,
    "NO3": 15.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4206, 58.7439] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "GAK8I",
    "water_depth": 288,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0300",
    "depth": 75.0,
    "PO4": 1.31,
    "SiOH4": 20.91,
    "NO3_NO2": 16.89,
    "NO2": 0.11,
    "NH4": 0.26,
    "NO3": 16.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4206, 58.7439] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "GAK8I",
    "water_depth": 288,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0300",
    "depth": 100.0,
    "PO4": 1.37,
    "SiOH4": 21.45,
    "NO3_NO2": 18.13,
    "NO2": 0.11,
    "NH4": 0.2,
    "NO3": 18.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4206, 58.7439] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "GAK8I",
    "water_depth": 288,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0300",
    "depth": 200.0,
    "PO4": 2.25,
    "SiOH4": 47.46,
    "NO3_NO2": 32.89,
    "NO2": 0.01,
    "NH4": 0.11,
    "NO3": 32.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4206, 58.7439] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "GAK8I",
    "water_depth": 288,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0300",
    "depth": 283.0,
    "PO4": 2.76,
    "SiOH4": null,
    "NO3_NO2": 40.25,
    "NO2": 0.01,
    "NH4": 0.1,
    "NO3": 40.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4901, 58.7915] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK8",
    "water_depth": 291,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0344",
    "depth": 0.0,
    "PO4": 1.07,
    "SiOH4": 17.48,
    "NO3_NO2": 10.7,
    "NO2": 0.05,
    "NH4": 1.02,
    "NO3": 10.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4901, 58.7915] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK8",
    "water_depth": 291,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0344",
    "depth": 10.0,
    "PO4": 1.1,
    "SiOH4": 17.55,
    "NO3_NO2": 10.72,
    "NO2": 0.08,
    "NH4": 0.84,
    "NO3": 10.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4901, 58.7915] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK8",
    "water_depth": 291,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0344",
    "depth": 20.0,
    "PO4": 1.12,
    "SiOH4": 17.98,
    "NO3_NO2": 10.99,
    "NO2": 0.1,
    "NH4": 0.82,
    "NO3": 10.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4901, 58.7915] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK8",
    "water_depth": 291,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0344",
    "depth": 30.0,
    "PO4": 1.13,
    "SiOH4": 17.69,
    "NO3_NO2": 12.54,
    "NO2": 0.13,
    "NH4": 0.64,
    "NO3": 12.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4901, 58.7915] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK8",
    "water_depth": 291,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0344",
    "depth": 40.0,
    "PO4": 1.24,
    "SiOH4": 18.33,
    "NO3_NO2": 14.69,
    "NO2": 0.13,
    "NH4": 0.35,
    "NO3": 14.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4901, 58.7915] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK8",
    "water_depth": 291,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0344",
    "depth": 50.0,
    "PO4": 1.32,
    "SiOH4": 18.68,
    "NO3_NO2": 15.6,
    "NO2": 0.15,
    "NH4": 0.25,
    "NO3": 15.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4901, 58.7915] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK8",
    "water_depth": 291,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0344",
    "depth": 75.0,
    "PO4": 1.38,
    "SiOH4": 18.61,
    "NO3_NO2": 16.63,
    "NO2": 0.15,
    "NH4": 0.2,
    "NO3": 16.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4901, 58.7915] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK8",
    "water_depth": 291,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0344",
    "depth": 100.0,
    "PO4": 1.44,
    "SiOH4": 19.67,
    "NO3_NO2": 17.77,
    "NO2": 0.18,
    "NH4": 0.22,
    "NO3": 17.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4901, 58.7915] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK8",
    "water_depth": 291,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0344",
    "depth": 200.0,
    "PO4": 2.25,
    "SiOH4": 40.69,
    "NO3_NO2": 31.5,
    "NO2": 0.03,
    "NH4": 0.06,
    "NO3": 31.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4901, 58.7915] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK8",
    "water_depth": 291,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "0344",
    "depth": 283.0,
    "PO4": 2.86,
    "SiOH4": null,
    "NO3_NO2": 39.75,
    "NO2": 0.0,
    "NH4": 0.05,
    "NO3": 39.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3479, 58.6805] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "GAK9",
    "water_depth": 275,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1406",
    "depth": 0.0,
    "PO4": 0.65,
    "SiOH4": 2.48,
    "NO3_NO2": 4.68,
    "NO2": 0.08,
    "NH4": 0.25,
    "NO3": 4.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3479, 58.6805] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "GAK9",
    "water_depth": 275,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1406",
    "depth": 5.0,
    "PO4": 0.71,
    "SiOH4": 2.69,
    "NO3_NO2": 4.71,
    "NO2": 0.08,
    "NH4": 0.26,
    "NO3": 4.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3479, 58.6805] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "GAK9",
    "water_depth": 275,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1406",
    "depth": 8.0,
    "PO4": 0.8,
    "SiOH4": 3.4,
    "NO3_NO2": 5.33,
    "NO2": 0.08,
    "NH4": 0.27,
    "NO3": 5.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3479, 58.6805] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "GAK9",
    "water_depth": 275,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1406",
    "depth": 15.0,
    "PO4": 0.91,
    "SiOH4": 7.43,
    "NO3_NO2": 8.3,
    "NO2": 0.1,
    "NH4": 0.4,
    "NO3": 8.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3479, 58.6805] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "GAK9",
    "water_depth": 275,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1406",
    "depth": 21.0,
    "PO4": 1.13,
    "SiOH4": 13.38,
    "NO3_NO2": 11.97,
    "NO2": 0.13,
    "NH4": 0.63,
    "NO3": 11.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3479, 58.6805] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "GAK9",
    "water_depth": 275,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1406",
    "depth": 32.0,
    "PO4": 1.19,
    "SiOH4": 15.36,
    "NO3_NO2": 13.52,
    "NO2": 0.13,
    "NH4": 0.7,
    "NO3": 13.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6286, 58.9731] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 19,
    "stn_id": "GAK7",
    "water_depth": 240,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1612",
    "depth": 0.0,
    "PO4": 1.11,
    "SiOH4": 21.19,
    "NO3_NO2": 14.47,
    "NO2": 0.12,
    "NH4": 0.22,
    "NO3": 14.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6286, 58.9731] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 19,
    "stn_id": "GAK7",
    "water_depth": 240,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1612",
    "depth": 10.0,
    "PO4": 0.94,
    "SiOH4": 20.94,
    "NO3_NO2": 11.24,
    "NO2": 0.09,
    "NH4": 0.08,
    "NO3": 11.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6286, 58.9731] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 19,
    "stn_id": "GAK7",
    "water_depth": 240,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1612",
    "depth": 20.0,
    "PO4": 0.97,
    "SiOH4": 21.06,
    "NO3_NO2": 10.49,
    "NO2": 0.05,
    "NH4": 0.25,
    "NO3": 10.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6286, 58.9731] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 19,
    "stn_id": "GAK7",
    "water_depth": 240,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1612",
    "depth": 30.0,
    "PO4": 1.26,
    "SiOH4": 21.25,
    "NO3_NO2": 14.63,
    "NO2": 0.12,
    "NH4": 0.3,
    "NO3": 14.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6286, 58.9731] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 19,
    "stn_id": "GAK7",
    "water_depth": 240,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1612",
    "depth": 40.0,
    "PO4": 1.33,
    "SiOH4": 21.29,
    "NO3_NO2": 15.02,
    "NO2": 0.12,
    "NH4": 0.41,
    "NO3": 14.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6286, 58.9731] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 19,
    "stn_id": "GAK7",
    "water_depth": 240,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1612",
    "depth": 50.0,
    "PO4": 1.34,
    "SiOH4": 21.27,
    "NO3_NO2": 15.06,
    "NO2": 0.13,
    "NH4": 0.38,
    "NO3": 14.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6286, 58.9731] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 19,
    "stn_id": "GAK7",
    "water_depth": 240,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1612",
    "depth": 75.0,
    "PO4": 1.42,
    "SiOH4": 21.31,
    "NO3_NO2": 15.63,
    "NO2": 0.1,
    "NH4": 0.3,
    "NO3": 15.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6286, 58.9731] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 19,
    "stn_id": "GAK7",
    "water_depth": 240,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1612",
    "depth": 100.0,
    "PO4": 1.43,
    "SiOH4": 21.0,
    "NO3_NO2": 16.69,
    "NO2": 0.09,
    "NH4": 0.22,
    "NO3": 16.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6286, 58.9731] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 19,
    "stn_id": "GAK7",
    "water_depth": 240,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1612",
    "depth": 150.0,
    "PO4": 1.68,
    "SiOH4": 25.91,
    "NO3_NO2": 20.89,
    "NO2": 0.11,
    "NH4": 0.08,
    "NO3": 20.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6286, 58.9731] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 19,
    "stn_id": "GAK7",
    "water_depth": 240,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1612",
    "depth": 200.0,
    "PO4": 2.2,
    "SiOH4": 40.79,
    "NO3_NO2": 29.44,
    "NO2": 0.08,
    "NH4": 0.05,
    "NO3": 29.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6286, 58.9731] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 19,
    "stn_id": "GAK7",
    "water_depth": 240,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1612",
    "depth": 239.0,
    "PO4": 2.35,
    "SiOH4": 45.35,
    "NO3_NO2": 31.65,
    "NO2": 0.07,
    "NH4": 0.08,
    "NO3": 31.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7717, 59.1158] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "GAK6",
    "water_depth": 148,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1744",
    "depth": 0.0,
    "PO4": 0.52,
    "SiOH4": 1.82,
    "NO3_NO2": 0.2,
    "NO2": 0.12,
    "NH4": 0.27,
    "NO3": 0.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7717, 59.1158] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "GAK6",
    "water_depth": 148,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1744",
    "depth": 10.0,
    "PO4": 0.6,
    "SiOH4": 4.95,
    "NO3_NO2": 2.59,
    "NO2": 0.06,
    "NH4": 0.27,
    "NO3": 2.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7717, 59.1158] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "GAK6",
    "water_depth": 148,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1744",
    "depth": 20.0,
    "PO4": 0.78,
    "SiOH4": 10.15,
    "NO3_NO2": 6.61,
    "NO2": 0.13,
    "NH4": 0.44,
    "NO3": 6.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7717, 59.1158] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "GAK6",
    "water_depth": 148,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1744",
    "depth": 30.0,
    "PO4": 1.26,
    "SiOH4": 18.22,
    "NO3_NO2": 13.95,
    "NO2": 0.17,
    "NH4": 0.58,
    "NO3": 13.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7717, 59.1158] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "GAK6",
    "water_depth": 148,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1744",
    "depth": 40.0,
    "PO4": 1.2,
    "SiOH4": 16.05,
    "NO3_NO2": 12.96,
    "NO2": 0.16,
    "NH4": 0.52,
    "NO3": 12.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7717, 59.1158] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "GAK6",
    "water_depth": 148,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1744",
    "depth": 50.0,
    "PO4": 1.21,
    "SiOH4": 17.6,
    "NO3_NO2": 14.5,
    "NO2": 0.16,
    "NH4": 0.36,
    "NO3": 14.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7717, 59.1158] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "GAK6",
    "water_depth": 148,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1744",
    "depth": 75.0,
    "PO4": 1.33,
    "SiOH4": 20.65,
    "NO3_NO2": 17.13,
    "NO2": 0.17,
    "NH4": 0.22,
    "NO3": 16.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7717, 59.1158] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "GAK6",
    "water_depth": 148,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1744",
    "depth": 100.0,
    "PO4": 1.43,
    "SiOH4": 22.2,
    "NO3_NO2": 18.73,
    "NO2": 0.17,
    "NH4": 0.08,
    "NO3": 18.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7717, 59.1158] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "GAK6",
    "water_depth": 148,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1744",
    "depth": 147.0,
    "PO4": 2.0,
    "SiOH4": 37.73,
    "NO3_NO2": 28.01,
    "NO2": 0.01,
    "NH4": 0.05,
    "NO3": 28.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8374, 59.1901] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK5I",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1832",
    "depth": 0.0,
    "PO4": 0.42,
    "SiOH4": 5.62,
    "NO3_NO2": 1.9,
    "NO2": 0.09,
    "NH4": 0.28,
    "NO3": 1.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8374, 59.1901] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK5I",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1832",
    "depth": 10.0,
    "PO4": 0.47,
    "SiOH4": 5.81,
    "NO3_NO2": 2.67,
    "NO2": 0.09,
    "NH4": 0.52,
    "NO3": 2.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8374, 59.1901] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK5I",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1832",
    "depth": 20.0,
    "PO4": 0.66,
    "SiOH4": 6.65,
    "NO3_NO2": 4.65,
    "NO2": 0.06,
    "NH4": 0.87,
    "NO3": 4.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8374, 59.1901] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK5I",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1832",
    "depth": 30.0,
    "PO4": 1.03,
    "SiOH4": 14.51,
    "NO3_NO2": 12.25,
    "NO2": 0.08,
    "NH4": 0.86,
    "NO3": 12.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8374, 59.1901] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK5I",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1832",
    "depth": 40.0,
    "PO4": 1.14,
    "SiOH4": 16.64,
    "NO3_NO2": 14.23,
    "NO2": 0.08,
    "NH4": 0.57,
    "NO3": 14.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8374, 59.1901] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK5I",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1832",
    "depth": 50.0,
    "PO4": 1.24,
    "SiOH4": 17.41,
    "NO3_NO2": 15.73,
    "NO2": 0.07,
    "NH4": 0.54,
    "NO3": 15.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8374, 59.1901] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK5I",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1832",
    "depth": 75.0,
    "PO4": 1.39,
    "SiOH4": 20.47,
    "NO3_NO2": 17.83,
    "NO2": 0.1,
    "NH4": 0.45,
    "NO3": 17.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8374, 59.1901] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK5I",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1832",
    "depth": 100.0,
    "PO4": 1.53,
    "SiOH4": 28.33,
    "NO3_NO2": 22.28,
    "NO2": 0.07,
    "NH4": 0.13,
    "NO3": 22.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8374, 59.1901] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK5I",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1832",
    "depth": 164.0,
    "PO4": 1.87,
    "SiOH4": 38.7,
    "NO3_NO2": 27.53,
    "NO2": 0.04,
    "NH4": 0.12,
    "NO3": 27.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9078, 59.2626] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "GAK5",
    "water_depth": 165,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1914",
    "depth": 0.0,
    "PO4": 0.42,
    "SiOH4": 1.2,
    "NO3_NO2": 1.16,
    "NO2": 0.01,
    "NH4": 0.25,
    "NO3": 1.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9078, 59.2626] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "GAK5",
    "water_depth": 165,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1914",
    "depth": 10.0,
    "PO4": 0.41,
    "SiOH4": 1.61,
    "NO3_NO2": 1.57,
    "NO2": 0.03,
    "NH4": 0.24,
    "NO3": 1.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9078, 59.2626] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "GAK5",
    "water_depth": 165,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1914",
    "depth": 20.0,
    "PO4": 0.49,
    "SiOH4": 3.23,
    "NO3_NO2": 3.25,
    "NO2": 0.03,
    "NH4": 0.73,
    "NO3": 3.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9078, 59.2626] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "GAK5",
    "water_depth": 165,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1914",
    "depth": 30.0,
    "PO4": 0.88,
    "SiOH4": 9.23,
    "NO3_NO2": 8.73,
    "NO2": 0.07,
    "NH4": 0.91,
    "NO3": 8.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9078, 59.2626] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "GAK5",
    "water_depth": 165,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1914",
    "depth": 40.0,
    "PO4": 1.0,
    "SiOH4": 13.65,
    "NO3_NO2": 12.71,
    "NO2": 0.15,
    "NH4": 0.71,
    "NO3": 12.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9078, 59.2626] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "GAK5",
    "water_depth": 165,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1914",
    "depth": 50.0,
    "PO4": 1.25,
    "SiOH4": 17.79,
    "NO3_NO2": 15.65,
    "NO2": 0.19,
    "NH4": 0.51,
    "NO3": 15.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9078, 59.2626] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "GAK5",
    "water_depth": 165,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1914",
    "depth": 75.0,
    "PO4": 1.33,
    "SiOH4": 19.34,
    "NO3_NO2": 17.03,
    "NO2": 0.19,
    "NH4": 0.41,
    "NO3": 16.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9078, 59.2626] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "GAK5",
    "water_depth": 165,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1914",
    "depth": 100.0,
    "PO4": 1.55,
    "SiOH4": 28.5,
    "NO3_NO2": 21.18,
    "NO2": 0.13,
    "NH4": 0.21,
    "NO3": 21.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9078, 59.2626] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "GAK5",
    "water_depth": 165,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "1914",
    "depth": 166.0,
    "PO4": 1.92,
    "SiOH4": 39.08,
    "NO3_NO2": 27.63,
    "NO2": 0.05,
    "NH4": 0.17,
    "NO3": 27.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9797, 59.336] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "GAK4I",
    "water_depth": 128,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2008",
    "depth": 0.0,
    "PO4": 0.25,
    "SiOH4": 0.84,
    "NO3_NO2": 0.05,
    "NO2": 0.01,
    "NH4": 0.25,
    "NO3": 0.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9797, 59.336] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "GAK4I",
    "water_depth": 128,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2008",
    "depth": 10.0,
    "PO4": 0.22,
    "SiOH4": 0.68,
    "NO3_NO2": 0.16,
    "NO2": 0.01,
    "NH4": 0.19,
    "NO3": 0.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9797, 59.336] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "GAK4I",
    "water_depth": 128,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2008",
    "depth": 20.0,
    "PO4": 0.2,
    "SiOH4": 2.82,
    "NO3_NO2": 3.18,
    "NO2": 0.0,
    "NH4": 0.47,
    "NO3": 3.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9797, 59.336] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "GAK4I",
    "water_depth": 128,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2008",
    "depth": 30.0,
    "PO4": 0.91,
    "SiOH4": 13.49,
    "NO3_NO2": 10.0,
    "NO2": 0.07,
    "NH4": 0.82,
    "NO3": 9.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9797, 59.336] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "GAK4I",
    "water_depth": 128,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2008",
    "depth": 40.0,
    "PO4": 1.18,
    "SiOH4": 16.92,
    "NO3_NO2": 13.2,
    "NO2": 0.09,
    "NH4": 0.77,
    "NO3": 13.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9797, 59.336] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "GAK4I",
    "water_depth": 128,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2008",
    "depth": 50.0,
    "PO4": 1.25,
    "SiOH4": 15.41,
    "NO3_NO2": 13.61,
    "NO2": 0.08,
    "NH4": 0.88,
    "NO3": 13.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9797, 59.336] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "GAK4I",
    "water_depth": 128,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2008",
    "depth": 75.0,
    "PO4": 1.4,
    "SiOH4": 16.76,
    "NO3_NO2": 15.42,
    "NO2": 0.1,
    "NH4": 0.41,
    "NO3": 15.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9797, 59.336] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "GAK4I",
    "water_depth": 128,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2008",
    "depth": 100.0,
    "PO4": 1.39,
    "SiOH4": 15.74,
    "NO3_NO2": 15.6,
    "NO2": 0.12,
    "NH4": 0.6,
    "NO3": 15.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9797, 59.336] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "GAK4I",
    "water_depth": 128,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2008",
    "depth": 193.0,
    "PO4": 2.02,
    "SiOH4": 32.5,
    "NO3_NO2": 26.29,
    "NO2": 0.04,
    "NH4": 0.11,
    "NO3": 26.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.051, 59.4096] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "GAK4",
    "water_depth": 128,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2055",
    "depth": 0.0,
    "PO4": 0.72,
    "SiOH4": 12.78,
    "NO3_NO2": 6.22,
    "NO2": 0.03,
    "NH4": 0.25,
    "NO3": 6.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.051, 59.4096] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "GAK4",
    "water_depth": 128,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2055",
    "depth": 10.0,
    "PO4": 0.85,
    "SiOH4": 14.13,
    "NO3_NO2": 7.54,
    "NO2": 0.03,
    "NH4": 0.33,
    "NO3": 7.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.051, 59.4096] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "GAK4",
    "water_depth": 128,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2055",
    "depth": 20.0,
    "PO4": 1.06,
    "SiOH4": 18.85,
    "NO3_NO2": 10.8,
    "NO2": 0.07,
    "NH4": 0.58,
    "NO3": 10.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.051, 59.4096] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "GAK4",
    "water_depth": 128,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2055",
    "depth": 30.0,
    "PO4": 1.14,
    "SiOH4": 19.99,
    "NO3_NO2": 11.82,
    "NO2": 0.06,
    "NH4": 0.55,
    "NO3": 11.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.051, 59.4096] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "GAK4",
    "water_depth": 128,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2055",
    "depth": 40.0,
    "PO4": 1.29,
    "SiOH4": 20.62,
    "NO3_NO2": 14.71,
    "NO2": 0.01,
    "NH4": 0.41,
    "NO3": 14.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.051, 59.4096] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "GAK4",
    "water_depth": 128,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2055",
    "depth": 50.0,
    "PO4": 1.34,
    "SiOH4": 20.76,
    "NO3_NO2": 16.1,
    "NO2": 0.0,
    "NH4": 0.25,
    "NO3": 16.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.051, 59.4096] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "GAK4",
    "water_depth": 128,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2055",
    "depth": 75.0,
    "PO4": 1.32,
    "SiOH4": 20.39,
    "NO3_NO2": 16.76,
    "NO2": 0.07,
    "NH4": 0.14,
    "NO3": 16.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.051, 59.4096] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "GAK4",
    "water_depth": 128,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2055",
    "depth": 100.0,
    "PO4": 1.32,
    "SiOH4": 20.52,
    "NO3_NO2": 17.72,
    "NO2": 0.06,
    "NH4": 0.27,
    "NO3": 17.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.051, 59.4096] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "GAK4",
    "water_depth": 128,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2055",
    "depth": 195.0,
    "PO4": 1.83,
    "SiOH4": 32.84,
    "NO3_NO2": 25.33,
    "NO2": 0.03,
    "NH4": 0.3,
    "NO3": 25.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1186, 59.4823] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 27,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2146",
    "depth": 0.0,
    "PO4": 0.28,
    "SiOH4": 4.59,
    "NO3_NO2": 0.37,
    "NO2": 0.02,
    "NH4": 0.03,
    "NO3": 0.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1186, 59.4823] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 27,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2146",
    "depth": 10.0,
    "PO4": 0.42,
    "SiOH4": 5.67,
    "NO3_NO2": 0.61,
    "NO2": 0.01,
    "NH4": 0.59,
    "NO3": 0.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1186, 59.4823] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 27,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2146",
    "depth": 20.0,
    "PO4": 0.52,
    "SiOH4": 6.24,
    "NO3_NO2": 0.59,
    "NO2": 0.05,
    "NH4": 0.62,
    "NO3": 0.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1186, 59.4823] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 27,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2146",
    "depth": 30.0,
    "PO4": 0.53,
    "SiOH4": 5.73,
    "NO3_NO2": 0.83,
    "NO2": 0.05,
    "NH4": 0.84,
    "NO3": 0.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1186, 59.4823] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 27,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2146",
    "depth": 40.0,
    "PO4": 0.66,
    "SiOH4": 6.45,
    "NO3_NO2": 3.8,
    "NO2": 0.07,
    "NH4": 0.9,
    "NO3": 3.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1186, 59.4823] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 27,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2146",
    "depth": 50.0,
    "PO4": 0.92,
    "SiOH4": 11.47,
    "NO3_NO2": 11.08,
    "NO2": 0.11,
    "NH4": 0.84,
    "NO3": 10.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1186, 59.4823] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 27,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2146",
    "depth": 75.0,
    "PO4": 1.17,
    "SiOH4": 16.57,
    "NO3_NO2": 17.03,
    "NO2": 0.13,
    "NH4": 0.34,
    "NO3": 16.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1186, 59.4823] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 27,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2146",
    "depth": 100.0,
    "PO4": 1.3,
    "SiOH4": 17.86,
    "NO3_NO2": 19.61,
    "NO2": 0.17,
    "NH4": 0.17,
    "NO3": 19.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1186, 59.4823] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 27,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2146",
    "depth": 200.0,
    "PO4": 1.9,
    "SiOH4": 37.47,
    "NO3_NO2": 32.16,
    "NO2": 0.04,
    "NH4": 0.08,
    "NO3": 32.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1912, 59.5567] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 28,
    "stn_id": "GAK3",
    "water_depth": 128,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2236",
    "depth": 0.0,
    "PO4": 0.78,
    "SiOH4": 20.72,
    "NO3_NO2": 9.95,
    "NO2": 0.11,
    "NH4": 0.39,
    "NO3": 9.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1912, 59.5567] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 28,
    "stn_id": "GAK3",
    "water_depth": 128,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2236",
    "depth": 10.0,
    "PO4": 0.9,
    "SiOH4": 20.29,
    "NO3_NO2": 10.7,
    "NO2": 0.13,
    "NH4": 0.73,
    "NO3": 10.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1912, 59.5567] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 28,
    "stn_id": "GAK3",
    "water_depth": 128,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2236",
    "depth": 20.0,
    "PO4": 1.17,
    "SiOH4": 24.02,
    "NO3_NO2": 15.19,
    "NO2": 0.14,
    "NH4": 0.79,
    "NO3": 15.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1912, 59.5567] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 28,
    "stn_id": "GAK3",
    "water_depth": 128,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2236",
    "depth": 30.0,
    "PO4": 1.37,
    "SiOH4": 26.53,
    "NO3_NO2": 19.86,
    "NO2": 0.14,
    "NH4": 0.65,
    "NO3": 19.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1912, 59.5567] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 28,
    "stn_id": "GAK3",
    "water_depth": 128,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2236",
    "depth": 40.0,
    "PO4": 1.44,
    "SiOH4": 26.6,
    "NO3_NO2": 20.1,
    "NO2": 0.13,
    "NH4": 0.7,
    "NO3": 19.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1912, 59.5567] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 28,
    "stn_id": "GAK3",
    "water_depth": 128,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2236",
    "depth": 50.0,
    "PO4": 1.43,
    "SiOH4": 26.74,
    "NO3_NO2": 19.52,
    "NO2": 0.13,
    "NH4": 0.45,
    "NO3": 19.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1912, 59.5567] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 28,
    "stn_id": "GAK3",
    "water_depth": 128,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2236",
    "depth": 75.0,
    "PO4": 1.42,
    "SiOH4": 24.44,
    "NO3_NO2": 19.25,
    "NO2": 0.12,
    "NH4": 0.51,
    "NO3": 19.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1912, 59.5567] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 28,
    "stn_id": "GAK3",
    "water_depth": 128,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2236",
    "depth": 100.0,
    "PO4": 1.32,
    "SiOH4": 19.98,
    "NO3_NO2": 18.54,
    "NO2": 0.11,
    "NH4": 0.93,
    "NO3": 18.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1912, 59.5567] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 28,
    "stn_id": "GAK3",
    "water_depth": 128,
    "month_gmt": "5",
    "day_gmt": "19",
    "time_gmt": "2236",
    "depth": 215.0,
    "PO4": 1.88,
    "SiOH4": 37.15,
    "NO3_NO2": 32.04,
    "NO2": 0.01,
    "NH4": 0.11,
    "NO3": 32.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2595, 59.6273] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 31,
    "stn_id": "GAK2I",
    "water_depth": 220,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0001",
    "depth": 0.0,
    "PO4": 0.87,
    "SiOH4": 19.84,
    "NO3_NO2": 10.7,
    "NO2": 0.06,
    "NH4": 0.45,
    "NO3": 10.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2595, 59.6273] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 31,
    "stn_id": "GAK2I",
    "water_depth": 220,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0001",
    "depth": 10.0,
    "PO4": 0.89,
    "SiOH4": 20.14,
    "NO3_NO2": 11.54,
    "NO2": 0.07,
    "NH4": 0.31,
    "NO3": 8.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2595, 59.6273] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 31,
    "stn_id": "GAK2I",
    "water_depth": 220,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0001",
    "depth": 20.0,
    "PO4": 0.86,
    "SiOH4": 19.29,
    "NO3_NO2": 11.12,
    "NO2": 0.04,
    "NH4": 0.34,
    "NO3": 9.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2595, 59.6273] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 31,
    "stn_id": "GAK2I",
    "water_depth": 220,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0001",
    "depth": 30.0,
    "PO4": 0.98,
    "SiOH4": 21.02,
    "NO3_NO2": 13.49,
    "NO2": 0.06,
    "NH4": 0.67,
    "NO3": 10.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2595, 59.6273] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 31,
    "stn_id": "GAK2I",
    "water_depth": 220,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0001",
    "depth": 40.0,
    "PO4": 1.36,
    "SiOH4": 26.06,
    "NO3_NO2": 21.05,
    "NO2": 0.1,
    "NH4": 0.56,
    "NO3": 17.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2595, 59.6273] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 31,
    "stn_id": "GAK2I",
    "water_depth": 220,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0001",
    "depth": 50.0,
    "PO4": 1.4,
    "SiOH4": 26.42,
    "NO3_NO2": 21.96,
    "NO2": 0.09,
    "NH4": 0.45,
    "NO3": 19.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2595, 59.6273] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 31,
    "stn_id": "GAK2I",
    "water_depth": 220,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0001",
    "depth": 75.0,
    "PO4": 1.43,
    "SiOH4": 25.43,
    "NO3_NO2": 22.05,
    "NO2": 0.08,
    "NH4": 0.34,
    "NO3": 20.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2595, 59.6273] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 31,
    "stn_id": "GAK2I",
    "water_depth": 220,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0001",
    "depth": 100.0,
    "PO4": 1.46,
    "SiOH4": 25.08,
    "NO3_NO2": 22.7,
    "NO2": 0.09,
    "NH4": 0.17,
    "NO3": 21.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2595, 59.6273] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 31,
    "stn_id": "GAK2I",
    "water_depth": 220,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0001",
    "depth": 150.0,
    "PO4": 1.52,
    "SiOH4": 24.29,
    "NO3_NO2": 24.69,
    "NO2": 0.04,
    "NH4": 0.08,
    "NO3": 21.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2595, 59.6273] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 31,
    "stn_id": "GAK2I",
    "water_depth": 220,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0001",
    "depth": 211.0,
    "PO4": 1.89,
    "SiOH4": 36.37,
    "NO3_NO2": 32.06,
    "NO2": 0.0,
    "NH4": 0.31,
    "NO3": 29.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3266, 59.6917] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "GAK2",
    "water_depth": 220,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0044",
    "depth": 0.0,
    "PO4": 0.96,
    "SiOH4": 26.03,
    "NO3_NO2": 14.49,
    "NO2": 0.1,
    "NH4": 0.56,
    "NO3": 14.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3266, 59.6917] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "GAK2",
    "water_depth": 220,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0044",
    "depth": 10.0,
    "PO4": 1.0,
    "SiOH4": 26.04,
    "NO3_NO2": 14.66,
    "NO2": 0.1,
    "NH4": 0.42,
    "NO3": 14.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3266, 59.6917] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "GAK2",
    "water_depth": 220,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0044",
    "depth": 20.0,
    "PO4": 1.07,
    "SiOH4": 26.76,
    "NO3_NO2": 15.72,
    "NO2": 0.1,
    "NH4": 0.59,
    "NO3": 15.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3266, 59.6917] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "GAK2",
    "water_depth": 220,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0044",
    "depth": 30.0,
    "PO4": 1.17,
    "SiOH4": 26.06,
    "NO3_NO2": 16.72,
    "NO2": 0.12,
    "NH4": 1.07,
    "NO3": 16.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3266, 59.6917] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "GAK2",
    "water_depth": 220,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0044",
    "depth": 40.0,
    "PO4": 1.21,
    "SiOH4": 25.2,
    "NO3_NO2": 17.52,
    "NO2": 0.12,
    "NH4": 1.26,
    "NO3": 17.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3266, 59.6917] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "GAK2",
    "water_depth": 220,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0044",
    "depth": 50.0,
    "PO4": 1.32,
    "SiOH4": 26.43,
    "NO3_NO2": 19.73,
    "NO2": 0.15,
    "NH4": 0.98,
    "NO3": 19.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3266, 59.6917] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "GAK2",
    "water_depth": 220,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0044",
    "depth": 75.0,
    "PO4": 1.48,
    "SiOH4": 27.88,
    "NO3_NO2": 21.86,
    "NO2": 0.2,
    "NH4": 0.93,
    "NO3": 21.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3266, 59.6917] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "GAK2",
    "water_depth": 220,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0044",
    "depth": 100.0,
    "PO4": 1.35,
    "SiOH4": 24.44,
    "NO3_NO2": 20.26,
    "NO2": 0.22,
    "NH4": 1.07,
    "NO3": 20.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3266, 59.6917] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "GAK2",
    "water_depth": 220,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0044",
    "depth": 150.0,
    "PO4": 1.52,
    "SiOH4": 28.91,
    "NO3_NO2": 24.81,
    "NO2": 0.2,
    "NH4": null,
    "NO3": 24.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3266, 59.6917] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "GAK2",
    "water_depth": 220,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0044",
    "depth": 224.0,
    "PO4": 1.82,
    "SiOH4": 38.11,
    "NO3_NO2": 30.18,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 30.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3977, 59.7664] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 33,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0138",
    "depth": 0.0,
    "PO4": 0.45,
    "SiOH4": 5.07,
    "NO3_NO2": 2.8,
    "NO2": 0.02,
    "NH4": 0.49,
    "NO3": 2.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3977, 59.7664] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 33,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0138",
    "depth": 10.0,
    "PO4": 0.62,
    "SiOH4": 7.1,
    "NO3_NO2": 5.4,
    "NO2": 0.02,
    "NH4": 1.35,
    "NO3": 5.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3977, 59.7664] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 33,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0138",
    "depth": 20.0,
    "PO4": 0.79,
    "SiOH4": 9.35,
    "NO3_NO2": 7.49,
    "NO2": 0.07,
    "NH4": 1.93,
    "NO3": 7.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3977, 59.7664] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 33,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0138",
    "depth": 30.0,
    "PO4": 0.99,
    "SiOH4": 13.54,
    "NO3_NO2": 10.79,
    "NO2": 0.07,
    "NH4": 2.57,
    "NO3": 10.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3977, 59.7664] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 33,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0138",
    "depth": 40.0,
    "PO4": 1.09,
    "SiOH4": 18.37,
    "NO3_NO2": 13.21,
    "NO2": 0.1,
    "NH4": 2.34,
    "NO3": 13.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3977, 59.7664] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 33,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0138",
    "depth": 50.0,
    "PO4": 1.18,
    "SiOH4": 25.51,
    "NO3_NO2": 17.39,
    "NO2": 0.15,
    "NH4": 1.43,
    "NO3": 17.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3977, 59.7664] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 33,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0138",
    "depth": 75.0,
    "PO4": 1.39,
    "SiOH4": 29.77,
    "NO3_NO2": 21.77,
    "NO2": 0.15,
    "NH4": 1.2,
    "NO3": 21.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3977, 59.7664] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 33,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0138",
    "depth": 100.0,
    "PO4": 1.43,
    "SiOH4": 30.29,
    "NO3_NO2": 22.28,
    "NO2": 0.12,
    "NH4": 0.99,
    "NO3": 22.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3977, 59.7664] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 33,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0138",
    "depth": 200.0,
    "PO4": 1.65,
    "SiOH4": 32.97,
    "NO3_NO2": 27.61,
    "NO2": 0.07,
    "NH4": 0.2,
    "NO3": 27.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3977, 59.7664] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 33,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0138",
    "depth": 258.0,
    "PO4": 1.87,
    "SiOH4": 39.38,
    "NO3_NO2": 30.85,
    "NO2": 0.12,
    "NH4": 0.22,
    "NO3": 30.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4644, 59.8462] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0225",
    "depth": 0.0,
    "PO4": 0.25,
    "SiOH4": 1.08,
    "NO3_NO2": 0.16,
    "NO2": 0.15,
    "NH4": 0.14,
    "NO3": 0.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4644, 59.8462] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0225",
    "depth": 10.0,
    "PO4": 0.28,
    "SiOH4": 2.11,
    "NO3_NO2": 1.18,
    "NO2": 0.27,
    "NH4": 0.41,
    "NO3": 0.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4644, 59.8462] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0225",
    "depth": 20.0,
    "PO4": 0.42,
    "SiOH4": 3.42,
    "NO3_NO2": 3.02,
    "NO2": 0.07,
    "NH4": 1.1,
    "NO3": 2.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4644, 59.8462] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0225",
    "depth": 30.0,
    "PO4": 0.52,
    "SiOH4": 5.17,
    "NO3_NO2": 4.61,
    "NO2": 0.05,
    "NH4": 1.43,
    "NO3": 4.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4644, 59.8462] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0225",
    "depth": 30.0,
    "PO4": 0.55,
    "SiOH4": 5.41,
    "NO3_NO2": 4.87,
    "NO2": 0.05,
    "NH4": 1.48,
    "NO3": 4.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4644, 59.8462] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0225",
    "depth": 40.0,
    "PO4": 0.71,
    "SiOH4": 9.16,
    "NO3_NO2": 7.47,
    "NO2": 0.05,
    "NH4": 1.95,
    "NO3": 7.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4644, 59.8462] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0225",
    "depth": 50.0,
    "PO4": 1.03,
    "SiOH4": 16.94,
    "NO3_NO2": 13.05,
    "NO2": 0.1,
    "NH4": 2.67,
    "NO3": 12.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4644, 59.8462] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0225",
    "depth": 100.0,
    "PO4": 1.33,
    "SiOH4": 29.75,
    "NO3_NO2": 21.68,
    "NO2": 0.15,
    "NH4": 0.9,
    "NO3": 21.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4644, 59.8462] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0225",
    "depth": 200.0,
    "PO4": 1.65,
    "SiOH4": 35.09,
    "NO3_NO2": 28.72,
    "NO2": 0.05,
    "NH4": 0.18,
    "NO3": 28.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4644, 59.8462] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "0225",
    "depth": 250.0,
    "PO4": 1.78,
    "SiOH4": 38.49,
    "NO3_NO2": 30.62,
    "NO2": 0.07,
    "NH4": 0.32,
    "NO3": 30.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0468, 59.409] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1409",
    "depth": 0.0,
    "PO4": 0.81,
    "SiOH4": 20.92,
    "NO3_NO2": 11.81,
    "NO2": 0.04,
    "NH4": 0.82,
    "NO3": 11.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0468, 59.409] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1409",
    "depth": 5.0,
    "PO4": 0.97,
    "SiOH4": 21.07,
    "NO3_NO2": 11.86,
    "NO2": 0.04,
    "NH4": 0.81,
    "NO3": 11.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0468, 59.409] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1409",
    "depth": 9.0,
    "PO4": 1.11,
    "SiOH4": 21.53,
    "NO3_NO2": 14.13,
    "NO2": 0.08,
    "NH4": 0.62,
    "NO3": 14.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0468, 59.409] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1409",
    "depth": 17.0,
    "PO4": 1.42,
    "SiOH4": 24.31,
    "NO3_NO2": 20.15,
    "NO2": 0.1,
    "NH4": 0.58,
    "NO3": 20.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0468, 59.409] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1409",
    "depth": 23.0,
    "PO4": 1.52,
    "SiOH4": 25.15,
    "NO3_NO2": 21.06,
    "NO2": 0.12,
    "NH4": 0.46,
    "NO3": 20.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0468, 59.409] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1409",
    "depth": 36.0,
    "PO4": 1.53,
    "SiOH4": 25.61,
    "NO3_NO2": 21.3,
    "NO2": 0.11,
    "NH4": 0.55,
    "NO3": 21.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.4515] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1458",
    "depth": 0.0,
    "PO4": 1.08,
    "SiOH4": 22.93,
    "NO3_NO2": 14.89,
    "NO2": 0.11,
    "NH4": 0.63,
    "NO3": 14.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.4515] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1458",
    "depth": 10.0,
    "PO4": 1.33,
    "SiOH4": 26.03,
    "NO3_NO2": 18.14,
    "NO2": 0.08,
    "NH4": 0.69,
    "NO3": 18.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.4515] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1458",
    "depth": 20.0,
    "PO4": 1.46,
    "SiOH4": 27.37,
    "NO3_NO2": 19.85,
    "NO2": 0.09,
    "NH4": 0.81,
    "NO3": 19.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.4515] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1458",
    "depth": 30.0,
    "PO4": 1.45,
    "SiOH4": 27.45,
    "NO3_NO2": 19.47,
    "NO2": 0.11,
    "NH4": 0.84,
    "NO3": 19.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.4515] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1458",
    "depth": 40.0,
    "PO4": 1.59,
    "SiOH4": 25.97,
    "NO3_NO2": 21.37,
    "NO2": 0.11,
    "NH4": 0.96,
    "NO3": 21.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.4515] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1458",
    "depth": 50.0,
    "PO4": 1.59,
    "SiOH4": 25.87,
    "NO3_NO2": 21.48,
    "NO2": 0.1,
    "NH4": 0.91,
    "NO3": 21.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.4515] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1458",
    "depth": 75.0,
    "PO4": 1.59,
    "SiOH4": 25.58,
    "NO3_NO2": 21.47,
    "NO2": 0.36,
    "NH4": 0.75,
    "NO3": 21.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.4515] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1458",
    "depth": 100.0,
    "PO4": 1.61,
    "SiOH4": 25.28,
    "NO3_NO2": 21.52,
    "NO2": 0.36,
    "NH4": 0.73,
    "NO3": 21.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.4515] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1458",
    "depth": 150.0,
    "PO4": 1.98,
    "SiOH4": 31.58,
    "NO3_NO2": 29.45,
    "NO2": 0.06,
    "NH4": 0.26,
    "NO3": 29.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.4515] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1458",
    "depth": 178.0,
    "PO4": 1.98,
    "SiOH4": 31.6,
    "NO3_NO2": 29.75,
    "NO2": 0.05,
    "NH4": 0.24,
    "NO3": 29.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.4843] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "CF14",
    "water_depth": 168,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1527",
    "depth": 0.0,
    "PO4": 1.11,
    "SiOH4": 23.03,
    "NO3_NO2": 14.96,
    "NO2": 0.1,
    "NH4": 0.26,
    "NO3": 14.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.4843] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "CF14",
    "water_depth": 168,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1527",
    "depth": 10.0,
    "PO4": 1.34,
    "SiOH4": 25.23,
    "NO3_NO2": 17.79,
    "NO2": 0.1,
    "NH4": 0.56,
    "NO3": 17.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.4843] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "CF14",
    "water_depth": 168,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1527",
    "depth": 20.0,
    "PO4": 1.54,
    "SiOH4": 27.12,
    "NO3_NO2": 20.43,
    "NO2": 0.1,
    "NH4": 0.96,
    "NO3": 20.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.4843] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "CF14",
    "water_depth": 168,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1527",
    "depth": 30.0,
    "PO4": 1.53,
    "SiOH4": 26.18,
    "NO3_NO2": 19.69,
    "NO2": 0.1,
    "NH4": 0.79,
    "NO3": 19.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.4843] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "CF14",
    "water_depth": 168,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1527",
    "depth": 40.0,
    "PO4": 1.56,
    "SiOH4": 26.06,
    "NO3_NO2": 20.36,
    "NO2": 0.12,
    "NH4": 0.63,
    "NO3": 20.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.4843] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "CF14",
    "water_depth": 168,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1527",
    "depth": 50.0,
    "PO4": 1.57,
    "SiOH4": 26.06,
    "NO3_NO2": 20.61,
    "NO2": 0.12,
    "NH4": 0.62,
    "NO3": 20.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.4843] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "CF14",
    "water_depth": 168,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1527",
    "depth": 75.0,
    "PO4": 1.56,
    "SiOH4": 25.37,
    "NO3_NO2": 20.11,
    "NO2": 0.12,
    "NH4": 0.61,
    "NO3": 19.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.4843] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "CF14",
    "water_depth": 168,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1527",
    "depth": 100.0,
    "PO4": 1.53,
    "SiOH4": 23.05,
    "NO3_NO2": 19.37,
    "NO2": 0.12,
    "NH4": 0.6,
    "NO3": 19.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.4843] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "CF14",
    "water_depth": 168,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1527",
    "depth": 125.0,
    "PO4": 1.51,
    "SiOH4": 20.92,
    "NO3_NO2": 18.94,
    "NO2": 0.12,
    "NH4": 0.59,
    "NO3": 18.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.867, 59.4843] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "CF14",
    "water_depth": 168,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1527",
    "depth": 166.0,
    "PO4": 2.0,
    "SiOH4": 33.6,
    "NO3_NO2": 29.09,
    "NO2": 0.1,
    "NH4": 0.18,
    "NO3": 29.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8658, 59.5846] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "CF11",
    "water_depth": 174,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1648",
    "depth": 0.0,
    "PO4": 1.13,
    "SiOH4": 22.81,
    "NO3_NO2": 14.31,
    "NO2": 0.05,
    "NH4": 0.42,
    "NO3": 14.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8658, 59.5846] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "CF11",
    "water_depth": 174,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1648",
    "depth": 10.0,
    "PO4": 1.15,
    "SiOH4": 22.5,
    "NO3_NO2": 13.57,
    "NO2": 0.05,
    "NH4": 0.49,
    "NO3": 13.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8658, 59.5846] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "CF11",
    "water_depth": 174,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1648",
    "depth": 20.0,
    "PO4": 1.17,
    "SiOH4": 22.76,
    "NO3_NO2": 13.88,
    "NO2": 0.05,
    "NH4": 0.71,
    "NO3": 13.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8658, 59.5846] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "CF11",
    "water_depth": 174,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1648",
    "depth": 30.0,
    "PO4": 1.22,
    "SiOH4": 22.82,
    "NO3_NO2": 14.06,
    "NO2": 0.07,
    "NH4": 0.96,
    "NO3": 13.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8658, 59.5846] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "CF11",
    "water_depth": 174,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1648",
    "depth": 40.0,
    "PO4": 1.4,
    "SiOH4": 24.47,
    "NO3_NO2": 17.43,
    "NO2": 0.14,
    "NH4": 0.82,
    "NO3": 17.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8658, 59.5846] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "CF11",
    "water_depth": 174,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1648",
    "depth": 50.0,
    "PO4": 1.39,
    "SiOH4": 23.15,
    "NO3_NO2": 17.06,
    "NO2": 0.14,
    "NH4": 0.81,
    "NO3": 16.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8658, 59.5846] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "CF11",
    "water_depth": 174,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1648",
    "depth": 75.0,
    "PO4": 1.44,
    "SiOH4": 22.27,
    "NO3_NO2": 18.66,
    "NO2": 0.14,
    "NH4": 0.61,
    "NO3": 18.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8658, 59.5846] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "CF11",
    "water_depth": 174,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1648",
    "depth": 100.0,
    "PO4": 1.44,
    "SiOH4": 20.63,
    "NO3_NO2": 18.42,
    "NO2": 0.12,
    "NH4": 0.52,
    "NO3": 18.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8658, 59.5846] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "CF11",
    "water_depth": 174,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1648",
    "depth": 125.0,
    "PO4": 1.45,
    "SiOH4": 20.19,
    "NO3_NO2": 18.73,
    "NO2": 0.12,
    "NH4": 0.66,
    "NO3": 18.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8658, 59.5846] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "CF11",
    "water_depth": 174,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1648",
    "depth": 170.0,
    "PO4": 1.83,
    "SiOH4": 29.6,
    "NO3_NO2": 26.74,
    "NO2": 0.1,
    "NH4": 0.0,
    "NO3": 26.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8681, 59.6513] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "CF9",
    "water_depth": 175,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1741",
    "depth": 0.0,
    "PO4": 1.03,
    "SiOH4": 23.62,
    "NO3_NO2": 14.58,
    "NO2": 0.07,
    "NH4": 0.32,
    "NO3": 14.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8681, 59.6513] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "CF9",
    "water_depth": 175,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1741",
    "depth": 10.0,
    "PO4": 1.11,
    "SiOH4": 23.63,
    "NO3_NO2": 14.73,
    "NO2": 0.09,
    "NH4": 0.46,
    "NO3": 14.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8681, 59.6513] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "CF9",
    "water_depth": 175,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1741",
    "depth": 20.0,
    "PO4": 1.2,
    "SiOH4": 23.7,
    "NO3_NO2": 15.37,
    "NO2": 0.11,
    "NH4": 0.55,
    "NO3": 15.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8681, 59.6513] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "CF9",
    "water_depth": 175,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1741",
    "depth": 30.0,
    "PO4": 1.21,
    "SiOH4": 23.65,
    "NO3_NO2": 15.76,
    "NO2": 0.1,
    "NH4": 0.56,
    "NO3": 15.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8681, 59.6513] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "CF9",
    "water_depth": 175,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1741",
    "depth": 40.0,
    "PO4": 1.28,
    "SiOH4": 24.23,
    "NO3_NO2": 17.02,
    "NO2": 0.13,
    "NH4": 0.62,
    "NO3": 16.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8681, 59.6513] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "CF9",
    "water_depth": 175,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1741",
    "depth": 50.0,
    "PO4": 1.38,
    "SiOH4": 25.12,
    "NO3_NO2": 19.08,
    "NO2": 0.12,
    "NH4": 0.62,
    "NO3": 18.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8681, 59.6513] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "CF9",
    "water_depth": 175,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1741",
    "depth": 75.0,
    "PO4": 1.46,
    "SiOH4": 25.0,
    "NO3_NO2": 20.4,
    "NO2": 0.12,
    "NH4": 0.56,
    "NO3": 20.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8681, 59.6513] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "CF9",
    "water_depth": 175,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1741",
    "depth": 100.0,
    "PO4": 1.48,
    "SiOH4": 24.2,
    "NO3_NO2": 20.73,
    "NO2": 0.12,
    "NH4": 0.59,
    "NO3": 20.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8681, 59.6513] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "CF9",
    "water_depth": 175,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1741",
    "depth": 125.0,
    "PO4": 1.55,
    "SiOH4": 24.96,
    "NO3_NO2": 22.72,
    "NO2": 0.14,
    "NH4": 0.25,
    "NO3": 22.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8681, 59.6513] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "CF9",
    "water_depth": 175,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1741",
    "depth": 175.0,
    "PO4": 1.74,
    "SiOH4": 29.99,
    "NO3_NO2": 26.2,
    "NO2": 0.08,
    "NH4": 0.13,
    "NO3": 26.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.7172] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "CF7",
    "water_depth": 178,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1832",
    "depth": 0.0,
    "PO4": 0.57,
    "SiOH4": 5.41,
    "NO3_NO2": 1.35,
    "NO2": 0.01,
    "NH4": 0.39,
    "NO3": 1.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.7172] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "CF7",
    "water_depth": 178,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1832",
    "depth": 10.0,
    "PO4": 0.68,
    "SiOH4": 9.18,
    "NO3_NO2": 4.95,
    "NO2": 0.08,
    "NH4": 1.01,
    "NO3": 4.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.7172] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "CF7",
    "water_depth": 178,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1832",
    "depth": 20.0,
    "PO4": 1.05,
    "SiOH4": 18.92,
    "NO3_NO2": 12.85,
    "NO2": 0.1,
    "NH4": 1.17,
    "NO3": 12.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.7172] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "CF7",
    "water_depth": 178,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1832",
    "depth": 30.0,
    "PO4": 1.19,
    "SiOH4": 21.63,
    "NO3_NO2": 15.4,
    "NO2": 0.1,
    "NH4": 0.95,
    "NO3": 15.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.7172] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "CF7",
    "water_depth": 178,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1832",
    "depth": 40.0,
    "PO4": 1.39,
    "SiOH4": 25.41,
    "NO3_NO2": 19.8,
    "NO2": 0.12,
    "NH4": 0.56,
    "NO3": 19.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.7172] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "CF7",
    "water_depth": 178,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1832",
    "depth": 50.0,
    "PO4": 1.42,
    "SiOH4": 25.42,
    "NO3_NO2": 20.19,
    "NO2": 0.11,
    "NH4": 0.49,
    "NO3": 20.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.7172] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "CF7",
    "water_depth": 178,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1832",
    "depth": 75.0,
    "PO4": 1.48,
    "SiOH4": 25.37,
    "NO3_NO2": 21.39,
    "NO2": 0.11,
    "NH4": 0.34,
    "NO3": 21.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.7172] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "CF7",
    "water_depth": 178,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1832",
    "depth": 100.0,
    "PO4": 1.52,
    "SiOH4": 25.69,
    "NO3_NO2": 21.97,
    "NO2": 0.11,
    "NH4": 0.4,
    "NO3": 21.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.7172] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "CF7",
    "water_depth": 178,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1832",
    "depth": 125.0,
    "PO4": 1.48,
    "SiOH4": 24.32,
    "NO3_NO2": 21.5,
    "NO2": 0.1,
    "NH4": 0.39,
    "NO3": 21.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.7172] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "CF7",
    "water_depth": 178,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1832",
    "depth": 178.0,
    "PO4": 1.68,
    "SiOH4": 29.29,
    "NO3_NO2": 25.34,
    "NO2": 0.05,
    "NH4": 0.07,
    "NO3": 25.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8679, 59.7841] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "CF5",
    "water_depth": 190,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1926",
    "depth": 0.0,
    "PO4": 0.93,
    "SiOH4": 21.97,
    "NO3_NO2": 14.4,
    "NO2": 0.1,
    "NH4": 0.63,
    "NO3": 14.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8679, 59.7841] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "CF5",
    "water_depth": 190,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1926",
    "depth": 10.0,
    "PO4": 1.11,
    "SiOH4": 22.49,
    "NO3_NO2": 15.13,
    "NO2": 0.1,
    "NH4": 0.59,
    "NO3": 15.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8679, 59.7841] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "CF5",
    "water_depth": 190,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1926",
    "depth": 20.0,
    "PO4": 1.24,
    "SiOH4": 23.52,
    "NO3_NO2": 16.91,
    "NO2": 0.12,
    "NH4": 0.74,
    "NO3": 16.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8679, 59.7841] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "CF5",
    "water_depth": 190,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1926",
    "depth": 30.0,
    "PO4": 1.35,
    "SiOH4": 24.29,
    "NO3_NO2": 17.83,
    "NO2": 0.12,
    "NH4": 1.08,
    "NO3": 17.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8679, 59.7841] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "CF5",
    "water_depth": 190,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1926",
    "depth": 40.0,
    "PO4": 1.4,
    "SiOH4": 24.5,
    "NO3_NO2": 18.11,
    "NO2": 0.12,
    "NH4": 1.2,
    "NO3": 17.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8679, 59.7841] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "CF5",
    "water_depth": 190,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1926",
    "depth": 50.0,
    "PO4": 1.44,
    "SiOH4": 24.77,
    "NO3_NO2": 18.59,
    "NO2": 0.12,
    "NH4": 1.2,
    "NO3": 18.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8679, 59.7841] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "CF5",
    "water_depth": 190,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1926",
    "depth": 75.0,
    "PO4": 1.5,
    "SiOH4": 25.24,
    "NO3_NO2": 20.44,
    "NO2": 0.12,
    "NH4": 0.84,
    "NO3": 20.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8679, 59.7841] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "CF5",
    "water_depth": 190,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1926",
    "depth": 100.0,
    "PO4": 1.53,
    "SiOH4": 24.44,
    "NO3_NO2": 20.1,
    "NO2": 0.12,
    "NH4": 0.77,
    "NO3": 19.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8679, 59.7841] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "CF5",
    "water_depth": 190,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1926",
    "depth": 150.0,
    "PO4": 1.65,
    "SiOH4": 26.03,
    "NO3_NO2": 23.51,
    "NO2": 0.12,
    "NH4": 0.38,
    "NO3": 23.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8679, 59.7841] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "CF5",
    "water_depth": 190,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "1926",
    "depth": 188.0,
    "PO4": 1.85,
    "SiOH4": 31.08,
    "NO3_NO2": 26.42,
    "NO2": 0.05,
    "NH4": 0.4,
    "NO3": 26.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.8497] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "CF3",
    "water_depth": 170,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "2022",
    "depth": 0.0,
    "PO4": 0.89,
    "SiOH4": 16.33,
    "NO3_NO2": 10.79,
    "NO2": 0.07,
    "NH4": 0.87,
    "NO3": 10.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.8497] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "CF3",
    "water_depth": 170,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "2022",
    "depth": 10.0,
    "PO4": 1.09,
    "SiOH4": 18.36,
    "NO3_NO2": 13.14,
    "NO2": 0.07,
    "NH4": 1.44,
    "NO3": 13.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.8497] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "CF3",
    "water_depth": 170,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "2022",
    "depth": 20.0,
    "PO4": 1.18,
    "SiOH4": 18.38,
    "NO3_NO2": 14.11,
    "NO2": 0.07,
    "NH4": 2.07,
    "NO3": 14.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.8497] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "CF3",
    "water_depth": 170,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "2022",
    "depth": 30.0,
    "PO4": 1.32,
    "SiOH4": 21.17,
    "NO3_NO2": 16.21,
    "NO2": 0.1,
    "NH4": 2.09,
    "NO3": 16.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.8497] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "CF3",
    "water_depth": 170,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "2022",
    "depth": 40.0,
    "PO4": 1.39,
    "SiOH4": 23.52,
    "NO3_NO2": 17.88,
    "NO2": 0.12,
    "NH4": 1.99,
    "NO3": 17.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.8497] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "CF3",
    "water_depth": 170,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "2022",
    "depth": 50.0,
    "PO4": 1.4,
    "SiOH4": 24.1,
    "NO3_NO2": 18.23,
    "NO2": 0.12,
    "NH4": 1.73,
    "NO3": 18.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.8497] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "CF3",
    "water_depth": 170,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "2022",
    "depth": 75.0,
    "PO4": 1.57,
    "SiOH4": 26.83,
    "NO3_NO2": 21.26,
    "NO2": 0.12,
    "NH4": 1.56,
    "NO3": 21.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.8497] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "CF3",
    "water_depth": 170,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "2022",
    "depth": 100.0,
    "PO4": 1.61,
    "SiOH4": 27.67,
    "NO3_NO2": 21.68,
    "NO2": 0.12,
    "NH4": 1.17,
    "NO3": 21.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.8497] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "CF3",
    "water_depth": 170,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "2022",
    "depth": 125.0,
    "PO4": 1.57,
    "SiOH4": 26.56,
    "NO3_NO2": 20.96,
    "NO2": 0.12,
    "NH4": 0.94,
    "NO3": 20.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.8497] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "CF3",
    "water_depth": 170,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "2022",
    "depth": 157.0,
    "PO4": 1.74,
    "SiOH4": 30.41,
    "NO3_NO2": 23.75,
    "NO2": 0.12,
    "NH4": 0.42,
    "NO3": 23.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8671, 59.9082] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 52,
    "stn_id": "CF1",
    "water_depth": 50,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "2115",
    "depth": 0.0,
    "PO4": 0.36,
    "SiOH4": 2.68,
    "NO3_NO2": 0.39,
    "NO2": 0.0,
    "NH4": 0.18,
    "NO3": 0.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8671, 59.9082] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 52,
    "stn_id": "CF1",
    "water_depth": 50,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "2115",
    "depth": 10.0,
    "PO4": 0.54,
    "SiOH4": 5.71,
    "NO3_NO2": 3.37,
    "NO2": 0.01,
    "NH4": 0.69,
    "NO3": 3.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8671, 59.9082] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 52,
    "stn_id": "CF1",
    "water_depth": 50,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "2115",
    "depth": 20.0,
    "PO4": 0.67,
    "SiOH4": 7.93,
    "NO3_NO2": 5.53,
    "NO2": 0.02,
    "NH4": 0.89,
    "NO3": 5.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8671, 59.9082] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 52,
    "stn_id": "CF1",
    "water_depth": 50,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "2115",
    "depth": 30.0,
    "PO4": 0.83,
    "SiOH4": 9.71,
    "NO3_NO2": 7.57,
    "NO2": 0.03,
    "NH4": 1.67,
    "NO3": 7.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8671, 59.9082] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 52,
    "stn_id": "CF1",
    "water_depth": 50,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "2115",
    "depth": 40.0,
    "PO4": 1.09,
    "SiOH4": 13.62,
    "NO3_NO2": 10.85,
    "NO2": 0.04,
    "NH4": 2.25,
    "NO3": 10.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8671, 59.9082] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 52,
    "stn_id": "CF1",
    "water_depth": 50,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "2115",
    "depth": 50.0,
    "PO4": 1.16,
    "SiOH4": 14.9,
    "NO3_NO2": 11.77,
    "NO2": 0.05,
    "NH4": 2.35,
    "NO3": 11.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8671, 59.9082] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 52,
    "stn_id": "CF1",
    "water_depth": 50,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "2115",
    "depth": 60.0,
    "PO4": 1.29,
    "SiOH4": 18.56,
    "NO3_NO2": 14.05,
    "NO2": 0.06,
    "NH4": 2.59,
    "NO3": 13.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8671, 59.9082] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 52,
    "stn_id": "CF1",
    "water_depth": 50,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "2115",
    "depth": 70.0,
    "PO4": 1.53,
    "SiOH4": 22.1,
    "NO3_NO2": 16.28,
    "NO2": 0.08,
    "NH4": 2.47,
    "NO3": 16.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8671, 59.9082] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 52,
    "stn_id": "CF1",
    "water_depth": 50,
    "month_gmt": "5",
    "day_gmt": "20",
    "time_gmt": "2115",
    "depth": 85.0,
    "PO4": 1.57,
    "SiOH4": 26.83,
    "NO3_NO2": 17.57,
    "NO2": 0.09,
    "NH4": 2.89,
    "NO3": 17.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9271, 59.0077] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "PI6",
    "water_depth": 210,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1619",
    "depth": 0.0,
    "PO4": 0.44,
    "SiOH4": 5.47,
    "NO3_NO2": 4.35,
    "NO2": 0.02,
    "NH4": 0.31,
    "NO3": 4.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9271, 59.0077] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "PI6",
    "water_depth": 210,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1619",
    "depth": 10.0,
    "PO4": 1.18,
    "SiOH4": 16.6,
    "NO3_NO2": 13.41,
    "NO2": 0.06,
    "NH4": 1.64,
    "NO3": 13.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9271, 59.0077] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "PI6",
    "water_depth": 210,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1619",
    "depth": 20.0,
    "PO4": 1.26,
    "SiOH4": 19.28,
    "NO3_NO2": 14.58,
    "NO2": 0.08,
    "NH4": 1.48,
    "NO3": 14.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9271, 59.0077] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "PI6",
    "water_depth": 210,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1619",
    "depth": 30.0,
    "PO4": 1.3,
    "SiOH4": 21.32,
    "NO3_NO2": 15.4,
    "NO2": 0.07,
    "NH4": 1.14,
    "NO3": 15.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9271, 59.0077] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "PI6",
    "water_depth": 210,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1619",
    "depth": 40.0,
    "PO4": 1.33,
    "SiOH4": 20.89,
    "NO3_NO2": 15.28,
    "NO2": 0.09,
    "NH4": 1.14,
    "NO3": 15.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9271, 59.0077] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "PI6",
    "water_depth": 210,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1619",
    "depth": 50.0,
    "PO4": 1.19,
    "SiOH4": 17.03,
    "NO3_NO2": 12.27,
    "NO2": 0.04,
    "NH4": 1.32,
    "NO3": 12.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9271, 59.0077] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "PI6",
    "water_depth": 210,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1619",
    "depth": 75.0,
    "PO4": 1.49,
    "SiOH4": 22.74,
    "NO3_NO2": 17.68,
    "NO2": 0.1,
    "NH4": 1.41,
    "NO3": 17.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9271, 59.0077] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "PI6",
    "water_depth": 210,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1619",
    "depth": 100.0,
    "PO4": 1.49,
    "SiOH4": 23.51,
    "NO3_NO2": 19.74,
    "NO2": 0.12,
    "NH4": 0.75,
    "NO3": 19.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9271, 59.0077] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "PI6",
    "water_depth": 210,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1619",
    "depth": 150.0,
    "PO4": 1.77,
    "SiOH4": 26.74,
    "NO3_NO2": 23.44,
    "NO2": 0.04,
    "NH4": 0.0,
    "NO3": 23.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9949, 59.0743] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "PI5",
    "water_depth": 204,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1710",
    "depth": 0.0,
    "PO4": 0.4,
    "SiOH4": 3.19,
    "NO3_NO2": 1.59,
    "NO2": 0.01,
    "NH4": 0.03,
    "NO3": 1.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9949, 59.0743] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "PI5",
    "water_depth": 204,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1710",
    "depth": 10.0,
    "PO4": 0.63,
    "SiOH4": 8.18,
    "NO3_NO2": 4.88,
    "NO2": 0.06,
    "NH4": 0.21,
    "NO3": 4.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9949, 59.0743] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "PI5",
    "water_depth": 204,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1710",
    "depth": 20.0,
    "PO4": 0.81,
    "SiOH4": 11.26,
    "NO3_NO2": 6.76,
    "NO2": 0.07,
    "NH4": 0.52,
    "NO3": 6.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9949, 59.0743] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "PI5",
    "water_depth": 204,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1710",
    "depth": 30.0,
    "PO4": 1.0,
    "SiOH4": 13.7,
    "NO3_NO2": 9.23,
    "NO2": 0.07,
    "NH4": 0.99,
    "NO3": 9.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9949, 59.0743] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "PI5",
    "water_depth": 204,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1710",
    "depth": 40.0,
    "PO4": 1.19,
    "SiOH4": 18.45,
    "NO3_NO2": 12.87,
    "NO2": 0.11,
    "NH4": 1.11,
    "NO3": 12.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9949, 59.0743] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "PI5",
    "water_depth": 204,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1710",
    "depth": 50.0,
    "PO4": 1.26,
    "SiOH4": 19.78,
    "NO3_NO2": 13.75,
    "NO2": 0.13,
    "NH4": 1.17,
    "NO3": 13.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9949, 59.0743] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "PI5",
    "water_depth": 204,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1710",
    "depth": 75.0,
    "PO4": 1.45,
    "SiOH4": 22.06,
    "NO3_NO2": 16.63,
    "NO2": 0.15,
    "NH4": 1.01,
    "NO3": 16.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9949, 59.0743] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "PI5",
    "water_depth": 204,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1710",
    "depth": 100.0,
    "PO4": 1.56,
    "SiOH4": 23.86,
    "NO3_NO2": 18.86,
    "NO2": 0.14,
    "NH4": 0.57,
    "NO3": 18.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9949, 59.0743] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "PI5",
    "water_depth": 204,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1710",
    "depth": 150.0,
    "PO4": 1.84,
    "SiOH4": 30.05,
    "NO3_NO2": 23.86,
    "NO2": 0.11,
    "NH4": 0.07,
    "NO3": 23.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.9949, 59.0743] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "PI5",
    "water_depth": 204,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1710",
    "depth": 202.0,
    "PO4": 2.55,
    "SiOH4": 48.91,
    "NO3_NO2": 34.1,
    "NO2": 0.01,
    "NH4": 0.03,
    "NO3": 34.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0633, 59.1576] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "PI4",
    "water_depth": 132,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1805",
    "depth": 0.0,
    "PO4": 0.6,
    "SiOH4": 7.02,
    "NO3_NO2": 4.14,
    "NO2": 0.01,
    "NH4": 0.09,
    "NO3": 4.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0633, 59.1576] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "PI4",
    "water_depth": 132,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1805",
    "depth": 10.0,
    "PO4": 0.62,
    "SiOH4": 7.38,
    "NO3_NO2": 5.35,
    "NO2": 0.03,
    "NH4": 0.29,
    "NO3": 5.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0633, 59.1576] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "PI4",
    "water_depth": 132,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1805",
    "depth": 20.0,
    "PO4": 1.05,
    "SiOH4": 18.83,
    "NO3_NO2": 13.28,
    "NO2": 0.1,
    "NH4": 0.89,
    "NO3": 13.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0633, 59.1576] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "PI4",
    "water_depth": 132,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1805",
    "depth": 30.0,
    "PO4": 1.05,
    "SiOH4": 18.95,
    "NO3_NO2": 13.14,
    "NO2": 0.07,
    "NH4": 1.25,
    "NO3": 13.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0633, 59.1576] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "PI4",
    "water_depth": 132,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1805",
    "depth": 40.0,
    "PO4": 1.17,
    "SiOH4": 19.39,
    "NO3_NO2": 15.88,
    "NO2": 0.09,
    "NH4": 1.57,
    "NO3": 15.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0633, 59.1576] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "PI4",
    "water_depth": 132,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1805",
    "depth": 50.0,
    "PO4": 1.44,
    "SiOH4": 24.13,
    "NO3_NO2": 15.8,
    "NO2": 0.11,
    "NH4": 1.43,
    "NO3": 15.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0633, 59.1576] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "PI4",
    "water_depth": 132,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1805",
    "depth": 75.0,
    "PO4": 1.54,
    "SiOH4": 25.53,
    "NO3_NO2": 17.48,
    "NO2": 0.08,
    "NH4": 0.92,
    "NO3": 17.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0633, 59.1576] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "PI4",
    "water_depth": 132,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1805",
    "depth": 100.0,
    "PO4": 1.62,
    "SiOH4": 27.41,
    "NO3_NO2": 19.11,
    "NO2": 0.07,
    "NH4": 0.62,
    "NO3": 19.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0633, 59.1576] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "PI4",
    "water_depth": 132,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1805",
    "depth": 131.0,
    "PO4": 1.62,
    "SiOH4": 27.05,
    "NO3_NO2": 19.32,
    "NO2": 0.06,
    "NH4": 0.48,
    "NO3": 19.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1307, 59.2414] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 56,
    "stn_id": "PI3",
    "water_depth": 152,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1854",
    "depth": 0.0,
    "PO4": 0.89,
    "SiOH4": 13.78,
    "NO3_NO2": 7.76,
    "NO2": 0.03,
    "NH4": 1.17,
    "NO3": 7.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1307, 59.2414] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 56,
    "stn_id": "PI3",
    "water_depth": 152,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1854",
    "depth": 10.0,
    "PO4": 1.16,
    "SiOH4": 19.0,
    "NO3_NO2": 11.57,
    "NO2": 0.03,
    "NH4": 1.62,
    "NO3": 11.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1307, 59.2414] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 56,
    "stn_id": "PI3",
    "water_depth": 152,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1854",
    "depth": 20.0,
    "PO4": 1.19,
    "SiOH4": 21.43,
    "NO3_NO2": 12.25,
    "NO2": 0.07,
    "NH4": 1.39,
    "NO3": 12.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1307, 59.2414] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 56,
    "stn_id": "PI3",
    "water_depth": 152,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1854",
    "depth": 30.0,
    "PO4": 1.21,
    "SiOH4": 23.31,
    "NO3_NO2": 12.88,
    "NO2": 0.07,
    "NH4": 1.06,
    "NO3": 12.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1307, 59.2414] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 56,
    "stn_id": "PI3",
    "water_depth": 152,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1854",
    "depth": 40.0,
    "PO4": 1.32,
    "SiOH4": 24.87,
    "NO3_NO2": 14.68,
    "NO2": 0.06,
    "NH4": 1.97,
    "NO3": 14.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1307, 59.2414] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 56,
    "stn_id": "PI3",
    "water_depth": 152,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1854",
    "depth": 50.0,
    "PO4": 1.37,
    "SiOH4": 25.15,
    "NO3_NO2": 15.19,
    "NO2": 0.05,
    "NH4": 1.71,
    "NO3": 15.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1307, 59.2414] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 56,
    "stn_id": "PI3",
    "water_depth": 152,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1854",
    "depth": 75.0,
    "PO4": 1.11,
    "SiOH4": 21.68,
    "NO3_NO2": 12.93,
    "NO2": 0.05,
    "NH4": 1.63,
    "NO3": 12.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1307, 59.2414] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 56,
    "stn_id": "PI3",
    "water_depth": 152,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1854",
    "depth": 100.0,
    "PO4": 1.04,
    "SiOH4": 17.74,
    "NO3_NO2": 9.55,
    "NO2": 0.02,
    "NH4": 1.67,
    "NO3": 9.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1307, 59.2414] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 56,
    "stn_id": "PI3",
    "water_depth": 152,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1854",
    "depth": 125.0,
    "PO4": 1.37,
    "SiOH4": 23.84,
    "NO3_NO2": 15.41,
    "NO2": 0.06,
    "NH4": 1.25,
    "NO3": 15.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1307, 59.2414] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 56,
    "stn_id": "PI3",
    "water_depth": 152,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1854",
    "depth": 148.0,
    "PO4": 1.53,
    "SiOH4": 26.19,
    "NO3_NO2": 18.1,
    "NO2": 0.06,
    "NH4": 0.92,
    "NO3": 18.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1976, 59.3259] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "PI2",
    "water_depth": 148,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1941",
    "depth": 0.0,
    "PO4": 0.63,
    "SiOH4": 9.31,
    "NO3_NO2": 4.28,
    "NO2": 0.01,
    "NH4": 0.22,
    "NO3": 4.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1976, 59.3259] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "PI2",
    "water_depth": 148,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1941",
    "depth": 10.0,
    "PO4": 0.87,
    "SiOH4": 15.61,
    "NO3_NO2": 8.65,
    "NO2": 0.03,
    "NH4": 0.37,
    "NO3": 8.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1976, 59.3259] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "PI2",
    "water_depth": 148,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1941",
    "depth": 20.0,
    "PO4": 0.97,
    "SiOH4": 18.08,
    "NO3_NO2": 9.55,
    "NO2": 0.05,
    "NH4": 0.56,
    "NO3": 9.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1976, 59.3259] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "PI2",
    "water_depth": 148,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1941",
    "depth": 30.0,
    "PO4": 1.19,
    "SiOH4": 21.26,
    "NO3_NO2": 12.03,
    "NO2": 0.05,
    "NH4": 0.87,
    "NO3": 11.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1976, 59.3259] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "PI2",
    "water_depth": 148,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1941",
    "depth": 40.0,
    "PO4": 1.24,
    "SiOH4": 22.37,
    "NO3_NO2": 12.52,
    "NO2": 0.04,
    "NH4": 1.62,
    "NO3": 12.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1976, 59.3259] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "PI2",
    "water_depth": 148,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1941",
    "depth": 50.0,
    "PO4": 1.29,
    "SiOH4": 23.16,
    "NO3_NO2": 15.61,
    "NO2": 0.06,
    "NH4": 1.56,
    "NO3": 15.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1976, 59.3259] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "PI2",
    "water_depth": 148,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1941",
    "depth": 75.0,
    "PO4": 1.4,
    "SiOH4": 26.34,
    "NO3_NO2": 17.16,
    "NO2": 0.08,
    "NH4": 1.52,
    "NO3": 17.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1976, 59.3259] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "PI2",
    "water_depth": 148,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1941",
    "depth": 100.0,
    "PO4": 1.31,
    "SiOH4": 25.38,
    "NO3_NO2": 16.01,
    "NO2": 0.07,
    "NH4": 1.34,
    "NO3": 15.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1976, 59.3259] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "PI2",
    "water_depth": 148,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1941",
    "depth": 125.0,
    "PO4": 1.45,
    "SiOH4": 26.97,
    "NO3_NO2": 17.44,
    "NO2": 0.09,
    "NH4": 1.31,
    "NO3": 17.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1976, 59.3259] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "PI2",
    "water_depth": 148,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "1941",
    "depth": 147.0,
    "PO4": 1.47,
    "SiOH4": 27.52,
    "NO3_NO2": 17.76,
    "NO2": 0.08,
    "NH4": 1.34,
    "NO3": 17.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.261, 59.4069] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 58,
    "stn_id": "PI1",
    "water_depth": 96,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2028",
    "depth": 0.0,
    "PO4": 0.38,
    "SiOH4": 3.63,
    "NO3_NO2": 0.61,
    "NO2": 0.0,
    "NH4": 0.0,
    "NO3": 0.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.261, 59.4069] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 58,
    "stn_id": "PI1",
    "water_depth": 96,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2028",
    "depth": 10.0,
    "PO4": 0.39,
    "SiOH4": 4.53,
    "NO3_NO2": 1.56,
    "NO2": 0.0,
    "NH4": 0.0,
    "NO3": 1.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.261, 59.4069] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 58,
    "stn_id": "PI1",
    "water_depth": 96,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2028",
    "depth": 20.0,
    "PO4": 0.49,
    "SiOH4": 5.5,
    "NO3_NO2": 3.39,
    "NO2": 0.04,
    "NH4": 0.22,
    "NO3": 3.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.261, 59.4069] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 58,
    "stn_id": "PI1",
    "water_depth": 96,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2028",
    "depth": 30.0,
    "PO4": 0.78,
    "SiOH4": 7.28,
    "NO3_NO2": 6.05,
    "NO2": 0.04,
    "NH4": 1.34,
    "NO3": 6.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.261, 59.4069] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 58,
    "stn_id": "PI1",
    "water_depth": 96,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2028",
    "depth": 40.0,
    "PO4": 1.13,
    "SiOH4": 16.47,
    "NO3_NO2": 11.06,
    "NO2": 0.09,
    "NH4": 1.8,
    "NO3": 10.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.261, 59.4069] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 58,
    "stn_id": "PI1",
    "water_depth": 96,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2028",
    "depth": 50.0,
    "PO4": 1.2,
    "SiOH4": 19.44,
    "NO3_NO2": 12.54,
    "NO2": 0.11,
    "NH4": 1.9,
    "NO3": 12.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.261, 59.4069] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 58,
    "stn_id": "PI1",
    "water_depth": 96,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2028",
    "depth": 60.0,
    "PO4": 1.25,
    "SiOH4": 21.13,
    "NO3_NO2": 13.38,
    "NO2": 0.09,
    "NH4": 1.68,
    "NO3": 13.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.261, 59.4069] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 58,
    "stn_id": "PI1",
    "water_depth": 96,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2028",
    "depth": 75.0,
    "PO4": 1.3,
    "SiOH4": 24.82,
    "NO3_NO2": 14.56,
    "NO2": 0.09,
    "NH4": 1.62,
    "NO3": 14.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.261, 59.4069] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 58,
    "stn_id": "PI1",
    "water_depth": 96,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2028",
    "depth": 94.0,
    "PO4": 1.43,
    "SiOH4": 28.99,
    "NO3_NO2": 16.16,
    "NO2": 0.14,
    "NH4": 1.62,
    "NO3": 16.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1971, 59.4086] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "RI2",
    "water_depth": 120,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2059",
    "depth": 0.0,
    "PO4": 0.36,
    "SiOH4": 4.13,
    "NO3_NO2": 0.92,
    "NO2": 0.01,
    "NH4": 0.0,
    "NO3": 0.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1971, 59.4086] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "RI2",
    "water_depth": 120,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2059",
    "depth": 10.0,
    "PO4": 0.47,
    "SiOH4": 6.62,
    "NO3_NO2": 2.52,
    "NO2": 0.01,
    "NH4": 0.31,
    "NO3": 2.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1971, 59.4086] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "RI2",
    "water_depth": 120,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2059",
    "depth": 20.0,
    "PO4": 0.68,
    "SiOH4": 6.72,
    "NO3_NO2": 5.3,
    "NO2": 0.03,
    "NH4": 1.4,
    "NO3": 5.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1971, 59.4086] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "RI2",
    "water_depth": 120,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2059",
    "depth": 30.0,
    "PO4": 0.86,
    "SiOH4": 10.25,
    "NO3_NO2": 7.19,
    "NO2": 0.03,
    "NH4": 1.65,
    "NO3": 7.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1971, 59.4086] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "RI2",
    "water_depth": 120,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2059",
    "depth": 40.0,
    "PO4": 1.1,
    "SiOH4": 18.16,
    "NO3_NO2": 11.5,
    "NO2": 0.06,
    "NH4": 1.96,
    "NO3": 11.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1971, 59.4086] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "RI2",
    "water_depth": 120,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2059",
    "depth": 50.0,
    "PO4": 1.22,
    "SiOH4": 21.45,
    "NO3_NO2": 13.04,
    "NO2": 0.05,
    "NH4": 1.65,
    "NO3": 12.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1971, 59.4086] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "RI2",
    "water_depth": 120,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2059",
    "depth": 75.0,
    "PO4": 1.28,
    "SiOH4": 23.54,
    "NO3_NO2": 13.93,
    "NO2": 0.08,
    "NH4": 1.4,
    "NO3": 13.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1971, 59.4086] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "RI2",
    "water_depth": 120,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2059",
    "depth": 100.0,
    "PO4": 1.31,
    "SiOH4": 24.84,
    "NO3_NO2": 14.47,
    "NO2": 0.05,
    "NH4": 1.59,
    "NO3": 14.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1971, 59.4086] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "RI2",
    "water_depth": 120,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2059",
    "depth": 121.0,
    "PO4": 1.44,
    "SiOH4": 26.85,
    "NO3_NO2": 15.95,
    "NO2": 0.08,
    "NH4": 1.9,
    "NO3": 15.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0329, 59.4075] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 60,
    "stn_id": "RI3",
    "water_depth": 158,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2146",
    "depth": 0.0,
    "PO4": 0.45,
    "SiOH4": 8.82,
    "NO3_NO2": 4.15,
    "NO2": 0.02,
    "NH4": 0.46,
    "NO3": 4.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0329, 59.4075] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 60,
    "stn_id": "RI3",
    "water_depth": 158,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2146",
    "depth": 10.0,
    "PO4": 0.74,
    "SiOH4": 14.45,
    "NO3_NO2": 6.89,
    "NO2": 0.03,
    "NH4": 0.58,
    "NO3": 6.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0329, 59.4075] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 60,
    "stn_id": "RI3",
    "water_depth": 158,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2146",
    "depth": 20.0,
    "PO4": 1.03,
    "SiOH4": 24.07,
    "NO3_NO2": 11.17,
    "NO2": 0.05,
    "NH4": 1.07,
    "NO3": 11.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0329, 59.4075] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 60,
    "stn_id": "RI3",
    "water_depth": 158,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2146",
    "depth": 30.0,
    "PO4": 1.07,
    "SiOH4": 23.97,
    "NO3_NO2": 11.14,
    "NO2": 0.06,
    "NH4": 0.85,
    "NO3": 11.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0329, 59.4075] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 60,
    "stn_id": "RI3",
    "water_depth": 158,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2146",
    "depth": 40.0,
    "PO4": 1.09,
    "SiOH4": 26.97,
    "NO3_NO2": 13.88,
    "NO2": 0.08,
    "NH4": 1.4,
    "NO3": 13.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0329, 59.4075] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 60,
    "stn_id": "RI3",
    "water_depth": 158,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2146",
    "depth": 50.0,
    "PO4": 1.38,
    "SiOH4": 28.37,
    "NO3_NO2": 15.15,
    "NO2": 0.07,
    "NH4": 1.77,
    "NO3": 15.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0329, 59.4075] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 60,
    "stn_id": "RI3",
    "water_depth": 158,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2146",
    "depth": 75.0,
    "PO4": 1.51,
    "SiOH4": 29.62,
    "NO3_NO2": 16.12,
    "NO2": 0.06,
    "NH4": 1.95,
    "NO3": 16.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0329, 59.4075] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 60,
    "stn_id": "RI3",
    "water_depth": 158,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2146",
    "depth": 100.0,
    "PO4": 1.56,
    "SiOH4": 31.27,
    "NO3_NO2": 17.45,
    "NO2": 0.08,
    "NH4": 1.48,
    "NO3": 17.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0329, 59.4075] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 60,
    "stn_id": "RI3",
    "water_depth": 158,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2146",
    "depth": 125.0,
    "PO4": 1.5,
    "SiOH4": 27.65,
    "NO3_NO2": 16.83,
    "NO2": 0.07,
    "NH4": 1.38,
    "NO3": 16.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0329, 59.4075] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 60,
    "stn_id": "RI3",
    "water_depth": 158,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2146",
    "depth": 162.0,
    "PO4": 1.62,
    "SiOH4": 31.45,
    "NO3_NO2": 19.69,
    "NO2": 0.06,
    "NH4": 0.75,
    "NO3": 19.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8687, 59.4088] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 61,
    "stn_id": "RI4",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2237",
    "depth": 0.0,
    "PO4": 0.23,
    "SiOH4": 2.86,
    "NO3_NO2": 0.73,
    "NO2": 0.02,
    "NH4": 0.03,
    "NO3": 0.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8687, 59.4088] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 61,
    "stn_id": "RI4",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2237",
    "depth": 10.0,
    "PO4": 0.33,
    "SiOH4": 3.21,
    "NO3_NO2": 1.23,
    "NO2": 0.01,
    "NH4": 0.09,
    "NO3": 1.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8687, 59.4088] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 61,
    "stn_id": "RI4",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2237",
    "depth": 20.0,
    "PO4": 0.61,
    "SiOH4": 6.08,
    "NO3_NO2": 4.73,
    "NO2": 0.01,
    "NH4": 0.99,
    "NO3": 4.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8687, 59.4088] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 61,
    "stn_id": "RI4",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2237",
    "depth": 30.0,
    "PO4": 0.83,
    "SiOH4": 10.92,
    "NO3_NO2": 7.66,
    "NO2": 0.03,
    "NH4": 1.74,
    "NO3": 7.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8687, 59.4088] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 61,
    "stn_id": "RI4",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2237",
    "depth": 40.0,
    "PO4": 1.0,
    "SiOH4": 14.85,
    "NO3_NO2": 9.68,
    "NO2": 0.05,
    "NH4": 1.77,
    "NO3": 9.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8687, 59.4088] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 61,
    "stn_id": "RI4",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2237",
    "depth": 50.0,
    "PO4": 1.15,
    "SiOH4": 18.94,
    "NO3_NO2": 11.88,
    "NO2": 0.07,
    "NH4": 1.56,
    "NO3": 11.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8687, 59.4088] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 61,
    "stn_id": "RI4",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2237",
    "depth": 75.0,
    "PO4": 1.27,
    "SiOH4": 23.17,
    "NO3_NO2": 13.85,
    "NO2": 0.09,
    "NH4": 1.59,
    "NO3": 13.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8687, 59.4088] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 61,
    "stn_id": "RI4",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2237",
    "depth": 100.0,
    "PO4": 1.45,
    "SiOH4": 25.58,
    "NO3_NO2": 16.27,
    "NO2": 0.08,
    "NH4": 1.47,
    "NO3": 16.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8687, 59.4088] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 61,
    "stn_id": "RI4",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2237",
    "depth": 125.0,
    "PO4": 1.34,
    "SiOH4": 21.13,
    "NO3_NO2": 14.24,
    "NO2": 0.1,
    "NH4": 1.53,
    "NO3": 14.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8687, 59.4088] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 61,
    "stn_id": "RI4",
    "water_depth": 162,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2237",
    "depth": 162.4,
    "PO4": 1.53,
    "SiOH4": 26.73,
    "NO3_NO2": 18.19,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 18.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7055, 59.4076] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 62,
    "stn_id": "RI5",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2325",
    "depth": 0.0,
    "PO4": 0.25,
    "SiOH4": 1.17,
    "NO3_NO2": 0.14,
    "NO2": 0.02,
    "NH4": 0.09,
    "NO3": 0.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7055, 59.4076] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 62,
    "stn_id": "RI5",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2325",
    "depth": 10.0,
    "PO4": 0.53,
    "SiOH4": 4.72,
    "NO3_NO2": 3.23,
    "NO2": 0.06,
    "NH4": 0.75,
    "NO3": 3.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7055, 59.4076] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 62,
    "stn_id": "RI5",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2325",
    "depth": 20.0,
    "PO4": 0.9,
    "SiOH4": 10.94,
    "NO3_NO2": 7.35,
    "NO2": 0.03,
    "NH4": 1.68,
    "NO3": 7.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7055, 59.4076] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 62,
    "stn_id": "RI5",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2325",
    "depth": 30.0,
    "PO4": 1.02,
    "SiOH4": 16.47,
    "NO3_NO2": 10.11,
    "NO2": 0.05,
    "NH4": 1.56,
    "NO3": 10.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7055, 59.4076] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 62,
    "stn_id": "RI5",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2325",
    "depth": 40.0,
    "PO4": 1.1,
    "SiOH4": 17.43,
    "NO3_NO2": 10.72,
    "NO2": 0.05,
    "NH4": 1.65,
    "NO3": 10.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7055, 59.4076] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 62,
    "stn_id": "RI5",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2325",
    "depth": 50.0,
    "PO4": 1.1,
    "SiOH4": 18.54,
    "NO3_NO2": 11.23,
    "NO2": 0.04,
    "NH4": 1.35,
    "NO3": 11.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7055, 59.4076] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 62,
    "stn_id": "RI5",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2325",
    "depth": 75.0,
    "PO4": 1.31,
    "SiOH4": 24.68,
    "NO3_NO2": 14.38,
    "NO2": 0.06,
    "NH4": 1.68,
    "NO3": 14.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7055, 59.4076] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 62,
    "stn_id": "RI5",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "21",
    "time_gmt": "2325",
    "depth": 104.0,
    "PO4": 1.36,
    "SiOH4": 25.26,
    "NO3_NO2": 15.06,
    "NO2": 0.08,
    "NH4": 1.5,
    "NO3": 14.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5407, 59.4072] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 63,
    "stn_id": "RI6",
    "water_depth": 100,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0008",
    "depth": 0.0,
    "PO4": 0.87,
    "SiOH4": 15.0,
    "NO3_NO2": 8.47,
    "NO2": 0.0,
    "NH4": 1.04,
    "NO3": 8.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5407, 59.4072] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 63,
    "stn_id": "RI6",
    "water_depth": 100,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0008",
    "depth": 10.0,
    "PO4": 1.07,
    "SiOH4": 22.03,
    "NO3_NO2": 11.29,
    "NO2": 0.03,
    "NH4": 0.93,
    "NO3": 11.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5407, 59.4072] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 63,
    "stn_id": "RI6",
    "water_depth": 100,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0008",
    "depth": 20.0,
    "PO4": 0.88,
    "SiOH4": 19.15,
    "NO3_NO2": 7.96,
    "NO2": 0.0,
    "NH4": 0.62,
    "NO3": 7.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5407, 59.4072] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 63,
    "stn_id": "RI6",
    "water_depth": 100,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0008",
    "depth": 30.0,
    "PO4": 0.89,
    "SiOH4": 19.47,
    "NO3_NO2": 8.02,
    "NO2": 0.01,
    "NH4": 0.93,
    "NO3": 8.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5407, 59.4072] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 63,
    "stn_id": "RI6",
    "water_depth": 100,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0008",
    "depth": 40.0,
    "PO4": 1.34,
    "SiOH4": 24.14,
    "NO3_NO2": 14.85,
    "NO2": 0.08,
    "NH4": 1.38,
    "NO3": 14.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5407, 59.4072] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 63,
    "stn_id": "RI6",
    "water_depth": 100,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0008",
    "depth": 50.0,
    "PO4": 1.37,
    "SiOH4": 22.94,
    "NO3_NO2": 15.08,
    "NO2": 0.07,
    "NH4": 1.48,
    "NO3": 15.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5407, 59.4072] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 63,
    "stn_id": "RI6",
    "water_depth": 100,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0008",
    "depth": 75.0,
    "PO4": 1.61,
    "SiOH4": 26.62,
    "NO3_NO2": 19.08,
    "NO2": 0.03,
    "NH4": 0.68,
    "NO3": 19.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5407, 59.4072] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 63,
    "stn_id": "RI6",
    "water_depth": 100,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0008",
    "depth": 96.3,
    "PO4": 1.61,
    "SiOH4": 26.94,
    "NO3_NO2": 18.86,
    "NO2": 0.05,
    "NH4": 0.63,
    "NO3": 18.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3761, 59.4081] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 64,
    "stn_id": "RI7",
    "water_depth": 143,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0054",
    "depth": 0.0,
    "PO4": 0.84,
    "SiOH4": 19.74,
    "NO3_NO2": 9.0,
    "NO2": 0.1,
    "NH4": 0.29,
    "NO3": 8.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3761, 59.4081] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 64,
    "stn_id": "RI7",
    "water_depth": 143,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0054",
    "depth": 10.0,
    "PO4": 0.96,
    "SiOH4": 22.49,
    "NO3_NO2": 10.23,
    "NO2": 0.07,
    "NH4": 0.54,
    "NO3": 10.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3761, 59.4081] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 64,
    "stn_id": "RI7",
    "water_depth": 143,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0054",
    "depth": 20.0,
    "PO4": 1.3,
    "SiOH4": 26.23,
    "NO3_NO2": 14.11,
    "NO2": 0.1,
    "NH4": 0.88,
    "NO3": 14.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3761, 59.4081] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 64,
    "stn_id": "RI7",
    "water_depth": 143,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0054",
    "depth": 30.0,
    "PO4": 1.42,
    "SiOH4": 27.68,
    "NO3_NO2": 16.9,
    "NO2": 0.11,
    "NH4": 0.68,
    "NO3": 16.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3761, 59.4081] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 64,
    "stn_id": "RI7",
    "water_depth": 143,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0054",
    "depth": 40.0,
    "PO4": 1.49,
    "SiOH4": 28.37,
    "NO3_NO2": 17.75,
    "NO2": 0.1,
    "NH4": 0.73,
    "NO3": 17.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3761, 59.4081] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 64,
    "stn_id": "RI7",
    "water_depth": 143,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0054",
    "depth": 50.0,
    "PO4": 1.51,
    "SiOH4": 28.6,
    "NO3_NO2": 18.14,
    "NO2": 0.09,
    "NH4": 0.59,
    "NO3": 18.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3761, 59.4081] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 64,
    "stn_id": "RI7",
    "water_depth": 143,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0054",
    "depth": 75.0,
    "PO4": 1.57,
    "SiOH4": 28.45,
    "NO3_NO2": 19.5,
    "NO2": 0.08,
    "NH4": 0.2,
    "NO3": 19.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3761, 59.4081] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 64,
    "stn_id": "RI7",
    "water_depth": 143,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0054",
    "depth": 100.0,
    "PO4": 1.68,
    "SiOH4": 29.53,
    "NO3_NO2": 20.8,
    "NO2": 0.07,
    "NH4": 0.27,
    "NO3": 20.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3761, 59.4081] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 64,
    "stn_id": "RI7",
    "water_depth": 143,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0054",
    "depth": 142.2,
    "PO4": 1.74,
    "SiOH4": 31.43,
    "NO3_NO2": 22.04,
    "NO2": 0.03,
    "NH4": 0.07,
    "NO3": 22.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2131, 59.4083] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 65,
    "stn_id": "RI8",
    "water_depth": 185,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0140",
    "depth": 0.0,
    "PO4": 1.13,
    "SiOH4": 27.32,
    "NO3_NO2": 14.9,
    "NO2": 0.07,
    "NH4": 0.58,
    "NO3": 14.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2131, 59.4083] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 65,
    "stn_id": "RI8",
    "water_depth": 185,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0140",
    "depth": 10.0,
    "PO4": 1.29,
    "SiOH4": 27.48,
    "NO3_NO2": 15.32,
    "NO2": 0.07,
    "NH4": 0.57,
    "NO3": 15.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2131, 59.4083] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 65,
    "stn_id": "RI8",
    "water_depth": 185,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0140",
    "depth": 20.0,
    "PO4": 1.34,
    "SiOH4": 28.25,
    "NO3_NO2": 15.9,
    "NO2": 0.07,
    "NH4": 0.88,
    "NO3": 15.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2131, 59.4083] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 65,
    "stn_id": "RI8",
    "water_depth": 185,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0140",
    "depth": 30.0,
    "PO4": 1.52,
    "SiOH4": 30.31,
    "NO3_NO2": 18.12,
    "NO2": 0.07,
    "NH4": 0.93,
    "NO3": 18.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2131, 59.4083] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 65,
    "stn_id": "RI8",
    "water_depth": 185,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0140",
    "depth": 40.0,
    "PO4": 1.52,
    "SiOH4": 29.63,
    "NO3_NO2": 18.03,
    "NO2": 0.07,
    "NH4": 0.71,
    "NO3": 17.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2131, 59.4083] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 65,
    "stn_id": "RI8",
    "water_depth": 185,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0140",
    "depth": 50.0,
    "PO4": 1.53,
    "SiOH4": 28.94,
    "NO3_NO2": 17.94,
    "NO2": 0.07,
    "NH4": 0.61,
    "NO3": 17.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2131, 59.4083] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 65,
    "stn_id": "RI8",
    "water_depth": 185,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0140",
    "depth": 75.0,
    "PO4": 1.48,
    "SiOH4": 25.21,
    "NO3_NO2": 16.83,
    "NO2": 0.07,
    "NH4": 0.57,
    "NO3": 16.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2131, 59.4083] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 65,
    "stn_id": "RI8",
    "water_depth": 185,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0140",
    "depth": 100.0,
    "PO4": 1.48,
    "SiOH4": 24.07,
    "NO3_NO2": 16.8,
    "NO2": 0.1,
    "NH4": 0.62,
    "NO3": 16.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2131, 59.4083] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 65,
    "stn_id": "RI8",
    "water_depth": 185,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0140",
    "depth": 150.0,
    "PO4": 1.63,
    "SiOH4": 26.29,
    "NO3_NO2": 19.97,
    "NO2": 0.07,
    "NH4": 0.17,
    "NO3": 19.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2131, 59.4083] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 65,
    "stn_id": "RI8",
    "water_depth": 185,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0140",
    "depth": 183.3,
    "PO4": 1.91,
    "SiOH4": 35.97,
    "NO3_NO2": 24.22,
    "NO2": 0.0,
    "NH4": 0.07,
    "NO3": 24.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.048, 59.4071] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 66,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0226",
    "depth": 0.0,
    "PO4": 1.03,
    "SiOH4": 25.8,
    "NO3_NO2": 13.94,
    "NO2": 0.07,
    "NH4": 0.26,
    "NO3": 13.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.048, 59.4071] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 66,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0226",
    "depth": 10.0,
    "PO4": 1.16,
    "SiOH4": 26.06,
    "NO3_NO2": 13.89,
    "NO2": 0.07,
    "NH4": 0.5,
    "NO3": 13.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.048, 59.4071] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 66,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0226",
    "depth": 20.0,
    "PO4": 1.3,
    "SiOH4": 26.86,
    "NO3_NO2": 14.86,
    "NO2": 0.1,
    "NH4": 0.94,
    "NO3": 14.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.048, 59.4071] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 66,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0226",
    "depth": 30.0,
    "PO4": 1.48,
    "SiOH4": 29.57,
    "NO3_NO2": 17.52,
    "NO2": 0.12,
    "NH4": 1.06,
    "NO3": 17.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.048, 59.4071] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 66,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0226",
    "depth": 40.0,
    "PO4": 1.44,
    "SiOH4": 28.54,
    "NO3_NO2": 16.57,
    "NO2": 0.12,
    "NH4": 1.03,
    "NO3": 16.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.048, 59.4071] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 66,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0226",
    "depth": 50.0,
    "PO4": 1.44,
    "SiOH4": 27.89,
    "NO3_NO2": 16.36,
    "NO2": 0.12,
    "NH4": 0.97,
    "NO3": 16.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.048, 59.4071] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 66,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0226",
    "depth": 75.0,
    "PO4": 1.54,
    "SiOH4": 28.76,
    "NO3_NO2": 18.46,
    "NO2": 0.15,
    "NH4": 0.76,
    "NO3": 18.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.048, 59.4071] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 66,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0226",
    "depth": 100.0,
    "PO4": 1.59,
    "SiOH4": 26.81,
    "NO3_NO2": 19.48,
    "NO2": 0.15,
    "NH4": 0.41,
    "NO3": 19.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.048, 59.4071] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 66,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0226",
    "depth": 150.0,
    "PO4": 1.73,
    "SiOH4": 29.06,
    "NO3_NO2": 22.08,
    "NO2": 0.12,
    "NH4": 0.26,
    "NO3": 21.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.048, 59.4071] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 66,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0226",
    "depth": 199.6,
    "PO4": 2.09,
    "SiOH4": 39.31,
    "NO3_NO2": 27.62,
    "NO2": 0.1,
    "NH4": 0.15,
    "NO3": 27.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.4073] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 67,
    "stn_id": "RI10",
    "water_depth": 167,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0317",
    "depth": 0.0,
    "PO4": 0.74,
    "SiOH4": 14.88,
    "NO3_NO2": 6.21,
    "NO2": 0.02,
    "NH4": 0.15,
    "NO3": 6.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.4073] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 67,
    "stn_id": "RI10",
    "water_depth": 167,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0317",
    "depth": 10.0,
    "PO4": 0.67,
    "SiOH4": 10.12,
    "NO3_NO2": 4.64,
    "NO2": 0.02,
    "NH4": 0.15,
    "NO3": 4.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.4073] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 67,
    "stn_id": "RI10",
    "water_depth": 167,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0317",
    "depth": 20.0,
    "PO4": 0.81,
    "SiOH4": 9.62,
    "NO3_NO2": 7.07,
    "NO2": 0.02,
    "NH4": 0.62,
    "NO3": 7.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.4073] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 67,
    "stn_id": "RI10",
    "water_depth": 167,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0317",
    "depth": 30.0,
    "PO4": 1.06,
    "SiOH4": 12.93,
    "NO3_NO2": 10.81,
    "NO2": 0.02,
    "NH4": 1.11,
    "NO3": 10.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.4073] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 67,
    "stn_id": "RI10",
    "water_depth": 167,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0317",
    "depth": 40.0,
    "PO4": 1.3,
    "SiOH4": 16.7,
    "NO3_NO2": 13.97,
    "NO2": 0.02,
    "NH4": 1.29,
    "NO3": 13.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.4073] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 67,
    "stn_id": "RI10",
    "water_depth": 167,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0317",
    "depth": 50.0,
    "PO4": 1.4,
    "SiOH4": 18.34,
    "NO3_NO2": 15.11,
    "NO2": 0.02,
    "NH4": 1.06,
    "NO3": 15.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.4073] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 67,
    "stn_id": "RI10",
    "water_depth": 167,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0317",
    "depth": 75.0,
    "PO4": 1.53,
    "SiOH4": 22.19,
    "NO3_NO2": 17.89,
    "NO2": 0.05,
    "NH4": 0.44,
    "NO3": 17.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.4073] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 67,
    "stn_id": "RI10",
    "water_depth": 167,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0317",
    "depth": 100.0,
    "PO4": 1.62,
    "SiOH4": 24.36,
    "NO3_NO2": 19.31,
    "NO2": 0.05,
    "NH4": 0.38,
    "NO3": 19.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.4073] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 67,
    "stn_id": "RI10",
    "water_depth": 167,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0317",
    "depth": 125.0,
    "PO4": 1.78,
    "SiOH4": 29.58,
    "NO3_NO2": 21.97,
    "NO2": 0.05,
    "NH4": 0.12,
    "NO3": 21.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.4073] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 67,
    "stn_id": "RI10",
    "water_depth": 167,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "0317",
    "depth": 164.4,
    "PO4": 1.89,
    "SiOH4": 32.66,
    "NO3_NO2": 23.84,
    "NO2": 0.05,
    "NH4": 0.12,
    "NO3": 23.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0765, 59.0661] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 71,
    "stn_id": "AHC11",
    "water_depth": 2200,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "1850",
    "depth": 0.0,
    "PO4": 0.24,
    "SiOH4": 0.82,
    "NO3_NO2": 1.74,
    "NO2": 0.08,
    "NH4": 0.0,
    "NO3": 1.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0765, 59.0661] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 71,
    "stn_id": "AHC11",
    "water_depth": 2200,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "1850",
    "depth": 25.0,
    "PO4": 1.32,
    "SiOH4": 16.79,
    "NO3_NO2": 14.83,
    "NO2": 0.1,
    "NH4": 0.36,
    "NO3": 14.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0765, 59.0661] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 71,
    "stn_id": "AHC11",
    "water_depth": 2200,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "1850",
    "depth": 50.0,
    "PO4": 1.7,
    "SiOH4": 26.19,
    "NO3_NO2": 21.75,
    "NO2": 0.08,
    "NH4": 0.06,
    "NO3": 21.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0765, 59.0661] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 71,
    "stn_id": "AHC11",
    "water_depth": 2200,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "1850",
    "depth": 75.0,
    "PO4": 2.23,
    "SiOH4": 38.2,
    "NO3_NO2": 31.03,
    "NO2": 0.08,
    "NH4": 0.19,
    "NO3": 30.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0765, 59.0661] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 71,
    "stn_id": "AHC11",
    "water_depth": 2200,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "1850",
    "depth": 100.0,
    "PO4": 2.51,
    "SiOH4": 45.99,
    "NO3_NO2": 39.53,
    "NO2": 0.08,
    "NH4": 0.02,
    "NO3": 39.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0765, 59.0661] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 71,
    "stn_id": "AHC11",
    "water_depth": 2200,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "1850",
    "depth": 250.0,
    "PO4": 3.12,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.08,
    "NH4": 0.57,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0765, 59.0661] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 71,
    "stn_id": "AHC11",
    "water_depth": 2200,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "1850",
    "depth": 500.0,
    "PO4": 3.62,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.1,
    "NH4": 0.41,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0765, 59.0661] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 71,
    "stn_id": "AHC11",
    "water_depth": 2200,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "1850",
    "depth": 750.0,
    "PO4": 3.7,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.1,
    "NH4": 0.11,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0765, 59.0661] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 71,
    "stn_id": "AHC11",
    "water_depth": 2200,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "1850",
    "depth": 1000.0,
    "PO4": 3.42,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.08,
    "NH4": 0.53,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0765, 59.0661] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 71,
    "stn_id": "AHC11",
    "water_depth": 2200,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "1850",
    "depth": 1250.0,
    "PO4": 3.41,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.08,
    "NH4": 0.43,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0765, 59.0661] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 71,
    "stn_id": "AHC11",
    "water_depth": 2200,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "1850",
    "depth": 1500.0,
    "PO4": 3.38,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.1,
    "NH4": 0.23,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0756, 59.1566] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "AHC10",
    "water_depth": 1070,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "2040",
    "depth": 0.0,
    "PO4": 0.37,
    "SiOH4": 0.14,
    "NO3_NO2": 3.94,
    "NO2": 0.03,
    "NH4": 0.77,
    "NO3": 3.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0756, 59.1566] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "AHC10",
    "water_depth": 1070,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "2040",
    "depth": 10.0,
    "PO4": 0.5,
    "SiOH4": 0.14,
    "NO3_NO2": 6.41,
    "NO2": 0.03,
    "NH4": 0.99,
    "NO3": 6.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0756, 59.1566] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "AHC10",
    "water_depth": 1070,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "2040",
    "depth": 25.0,
    "PO4": 0.95,
    "SiOH4": 3.99,
    "NO3_NO2": 13.42,
    "NO2": 0.03,
    "NH4": 1.36,
    "NO3": 13.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0756, 59.1566] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "AHC10",
    "water_depth": 1070,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "2040",
    "depth": 50.0,
    "PO4": 1.37,
    "SiOH4": 12.45,
    "NO3_NO2": 22.03,
    "NO2": 0.03,
    "NH4": 1.07,
    "NO3": 22.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0756, 59.1566] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "AHC10",
    "water_depth": 1070,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "2040",
    "depth": 75.0,
    "PO4": 1.49,
    "SiOH4": 11.96,
    "NO3_NO2": 22.27,
    "NO2": 0.03,
    "NH4": 1.7,
    "NO3": 22.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0756, 59.1566] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "AHC10",
    "water_depth": 1070,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "2040",
    "depth": 100.0,
    "PO4": 2.25,
    "SiOH4": 26.89,
    "NO3_NO2": null,
    "NO2": 0.08,
    "NH4": 0.47,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0756, 59.1566] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "AHC10",
    "water_depth": 1070,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "2040",
    "depth": 250.0,
    "PO4": 2.9,
    "SiOH4": 59.55,
    "NO3_NO2": null,
    "NO2": 0.08,
    "NH4": 0.55,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0756, 59.1566] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "AHC10",
    "water_depth": 1070,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "2040",
    "depth": 500.0,
    "PO4": 2.88,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.08,
    "NH4": 0.8,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0756, 59.1566] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "AHC10",
    "water_depth": 1070,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "2040",
    "depth": 750.0,
    "PO4": 3.51,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.08,
    "NH4": 0.53,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0756, 59.1566] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "AHC10",
    "water_depth": 1070,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "2040",
    "depth": 1000.0,
    "PO4": 3.49,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.08,
    "NH4": 0.95,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0756, 59.1566] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "AHC10",
    "water_depth": 1070,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "2040",
    "depth": 1071.5,
    "PO4": 3.47,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.08,
    "NH4": 1.46,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0746, 59.3007] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 73,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "2228",
    "depth": 0.0,
    "PO4": 0.62,
    "SiOH4": 12.07,
    "NO3_NO2": 6.61,
    "NO2": 0.03,
    "NH4": 2.18,
    "NO3": 6.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0746, 59.3007] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 73,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "2228",
    "depth": 15.0,
    "PO4": 0.56,
    "SiOH4": 0.35,
    "NO3_NO2": 5.49,
    "NO2": 0.05,
    "NH4": 2.08,
    "NO3": 5.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0746, 59.3007] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 73,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "2228",
    "depth": 30.0,
    "PO4": 0.81,
    "SiOH4": 6.9,
    "NO3_NO2": 9.45,
    "NO2": 0.05,
    "NH4": 2.37,
    "NO3": 9.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0746, 59.3007] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 73,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "2228",
    "depth": 50.0,
    "PO4": 1.23,
    "SiOH4": 14.68,
    "NO3_NO2": 17.23,
    "NO2": 0.05,
    "NH4": 1.96,
    "NO3": 17.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0746, 59.3007] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 73,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "2228",
    "depth": 75.0,
    "PO4": 1.33,
    "SiOH4": 19.1,
    "NO3_NO2": 21.49,
    "NO2": 0.03,
    "NH4": 1.46,
    "NO3": 21.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0746, 59.3007] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 73,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "2228",
    "depth": 100.0,
    "PO4": 1.5,
    "SiOH4": 21.75,
    "NO3_NO2": 25.22,
    "NO2": 0.03,
    "NH4": 1.72,
    "NO3": 25.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0746, 59.3007] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 73,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "2228",
    "depth": 125.0,
    "PO4": 1.79,
    "SiOH4": 31.43,
    "NO3_NO2": 31.98,
    "NO2": 0.03,
    "NH4": 1.71,
    "NO3": 31.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0746, 59.3007] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 73,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "2228",
    "depth": 150.0,
    "PO4": 2.08,
    "SiOH4": 38.51,
    "NO3_NO2": 37.48,
    "NO2": 0.03,
    "NH4": 1.69,
    "NO3": 37.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0746, 59.3007] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 73,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "2228",
    "depth": 175.0,
    "PO4": 2.11,
    "SiOH4": 38.95,
    "NO3_NO2": 38.57,
    "NO2": 0.03,
    "NH4": 1.64,
    "NO3": 38.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0746, 59.3007] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 73,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "2228",
    "depth": 194.0,
    "PO4": 2.14,
    "SiOH4": 39.04,
    "NO3_NO2": 39.0,
    "NO2": 0.03,
    "NH4": 1.79,
    "NO3": 38.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0741, 59.4006] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 74,
    "stn_id": "AHC8",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "2320",
    "depth": 0.0,
    "PO4": 0.9,
    "SiOH4": 15.39,
    "NO3_NO2": 10.49,
    "NO2": 0.03,
    "NH4": 1.95,
    "NO3": 10.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0741, 59.4006] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 74,
    "stn_id": "AHC8",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "2320",
    "depth": 15.0,
    "PO4": 1.21,
    "SiOH4": 18.3,
    "NO3_NO2": 16.88,
    "NO2": 0.06,
    "NH4": 2.18,
    "NO3": 16.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0741, 59.4006] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 74,
    "stn_id": "AHC8",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "2320",
    "depth": 30.0,
    "PO4": 1.29,
    "SiOH4": 19.36,
    "NO3_NO2": 16.94,
    "NO2": 0.09,
    "NH4": 1.73,
    "NO3": 16.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0741, 59.4006] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 74,
    "stn_id": "AHC8",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "2320",
    "depth": 50.0,
    "PO4": 1.28,
    "SiOH4": 18.79,
    "NO3_NO2": 17.67,
    "NO2": 0.02,
    "NH4": 1.21,
    "NO3": 17.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0741, 59.4006] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 74,
    "stn_id": "AHC8",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "2320",
    "depth": 75.0,
    "PO4": 1.37,
    "SiOH4": 19.72,
    "NO3_NO2": 20.82,
    "NO2": 0.03,
    "NH4": 1.35,
    "NO3": 20.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0741, 59.4006] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 74,
    "stn_id": "AHC8",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "2320",
    "depth": 100.0,
    "PO4": 1.46,
    "SiOH4": 20.91,
    "NO3_NO2": 22.86,
    "NO2": 0.0,
    "NH4": 1.55,
    "NO3": 22.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0741, 59.4006] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 74,
    "stn_id": "AHC8",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "2320",
    "depth": 125.0,
    "PO4": 1.53,
    "SiOH4": 20.87,
    "NO3_NO2": 24.91,
    "NO2": 0.01,
    "NH4": 1.88,
    "NO3": 24.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0741, 59.4006] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 74,
    "stn_id": "AHC8",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "2320",
    "depth": 150.0,
    "PO4": 1.67,
    "SiOH4": 25.55,
    "NO3_NO2": 29.61,
    "NO2": 0.01,
    "NH4": 1.72,
    "NO3": 29.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0741, 59.4006] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 74,
    "stn_id": "AHC8",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "2320",
    "depth": 175.0,
    "PO4": 1.78,
    "SiOH4": 29.09,
    "NO3_NO2": 29.67,
    "NO2": 0.02,
    "NH4": 1.83,
    "NO3": 29.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0741, 59.4006] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 74,
    "stn_id": "AHC8",
    "water_depth": 205,
    "month_gmt": "5",
    "day_gmt": "22",
    "time_gmt": "2320",
    "depth": 204.0,
    "PO4": 2.14,
    "SiOH4": 39.13,
    "NO3_NO2": 36.87,
    "NO2": 0.0,
    "NH4": 1.96,
    "NO3": 36.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0719, 59.5012] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 75,
    "stn_id": "AHC7",
    "water_depth": 222,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0011",
    "depth": 0.0,
    "PO4": 0.78,
    "SiOH4": 14.77,
    "NO3_NO2": 9.18,
    "NO2": 0.05,
    "NH4": 1.91,
    "NO3": 9.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0719, 59.5012] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 75,
    "stn_id": "AHC7",
    "water_depth": 222,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0011",
    "depth": 15.0,
    "PO4": 1.09,
    "SiOH4": 17.11,
    "NO3_NO2": 12.63,
    "NO2": 0.05,
    "NH4": 2.09,
    "NO3": 12.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0719, 59.5012] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 75,
    "stn_id": "AHC7",
    "water_depth": 222,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0011",
    "depth": 30.0,
    "PO4": 1.29,
    "SiOH4": 18.39,
    "NO3_NO2": 17.76,
    "NO2": 0.07,
    "NH4": 1.86,
    "NO3": 17.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0719, 59.5012] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 75,
    "stn_id": "AHC7",
    "water_depth": 222,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0011",
    "depth": 50.0,
    "PO4": 1.4,
    "SiOH4": 18.88,
    "NO3_NO2": 20.47,
    "NO2": 0.04,
    "NH4": 2.02,
    "NO3": 20.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0719, 59.5012] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 75,
    "stn_id": "AHC7",
    "water_depth": 222,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0011",
    "depth": 75.0,
    "PO4": 1.49,
    "SiOH4": 19.01,
    "NO3_NO2": 19.72,
    "NO2": 0.04,
    "NH4": 1.7,
    "NO3": 19.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0719, 59.5012] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 75,
    "stn_id": "AHC7",
    "water_depth": 222,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0011",
    "depth": 100.0,
    "PO4": 1.67,
    "SiOH4": 20.73,
    "NO3_NO2": 22.94,
    "NO2": 0.01,
    "NH4": 1.83,
    "NO3": 22.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0719, 59.5012] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 75,
    "stn_id": "AHC7",
    "water_depth": 222,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0011",
    "depth": 125.0,
    "PO4": 1.27,
    "SiOH4": 21.09,
    "NO3_NO2": 25.8,
    "NO2": 0.01,
    "NH4": 1.93,
    "NO3": 25.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0719, 59.5012] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 75,
    "stn_id": "AHC7",
    "water_depth": 222,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0011",
    "depth": 150.0,
    "PO4": 1.55,
    "SiOH4": 26.3,
    "NO3_NO2": 32.77,
    "NO2": 0.03,
    "NH4": 2.34,
    "NO3": 32.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0719, 59.5012] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 75,
    "stn_id": "AHC7",
    "water_depth": 222,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0011",
    "depth": 175.0,
    "PO4": 1.7,
    "SiOH4": 29.8,
    "NO3_NO2": 30.55,
    "NO2": 0.06,
    "NH4": 2.08,
    "NO3": 30.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0719, 59.5012] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 75,
    "stn_id": "AHC7",
    "water_depth": 222,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0011",
    "depth": 220.0,
    "PO4": 2.35,
    "SiOH4": null,
    "NO3_NO2": 42.6,
    "NO2": 0.05,
    "NH4": 2.15,
    "NO3": 42.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0721, 59.6007] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 76,
    "stn_id": "AHC6",
    "water_depth": 207,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0103",
    "depth": 0.0,
    "PO4": 0.39,
    "SiOH4": 0.05,
    "NO3_NO2": 1.81,
    "NO2": 0.0,
    "NH4": 1.97,
    "NO3": 1.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0721, 59.6007] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 76,
    "stn_id": "AHC6",
    "water_depth": 207,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0103",
    "depth": 15.0,
    "PO4": 0.66,
    "SiOH4": 3.7,
    "NO3_NO2": 9.31,
    "NO2": 0.0,
    "NH4": 2.89,
    "NO3": 9.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0721, 59.6007] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 76,
    "stn_id": "AHC6",
    "water_depth": 207,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0103",
    "depth": 30.0,
    "PO4": 1.1,
    "SiOH4": 17.04,
    "NO3_NO2": 12.38,
    "NO2": 0.0,
    "NH4": 2.69,
    "NO3": 12.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0721, 59.6007] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 76,
    "stn_id": "AHC6",
    "water_depth": 207,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0103",
    "depth": 50.0,
    "PO4": 1.23,
    "SiOH4": 18.61,
    "NO3_NO2": 15.61,
    "NO2": 0.0,
    "NH4": 2.26,
    "NO3": 15.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0721, 59.6007] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 76,
    "stn_id": "AHC6",
    "water_depth": 207,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0103",
    "depth": 75.0,
    "PO4": 1.37,
    "SiOH4": 20.54,
    "NO3_NO2": 16.62,
    "NO2": 0.03,
    "NH4": 2.43,
    "NO3": 16.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0721, 59.6007] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 76,
    "stn_id": "AHC6",
    "water_depth": 207,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0103",
    "depth": 100.0,
    "PO4": 1.42,
    "SiOH4": 21.4,
    "NO3_NO2": 20.07,
    "NO2": 0.0,
    "NH4": 2.3,
    "NO3": 20.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0721, 59.6007] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 76,
    "stn_id": "AHC6",
    "water_depth": 207,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0103",
    "depth": 125.0,
    "PO4": 1.55,
    "SiOH4": 24.57,
    "NO3_NO2": 23.59,
    "NO2": 0.0,
    "NH4": 2.03,
    "NO3": 23.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0721, 59.6007] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 76,
    "stn_id": "AHC6",
    "water_depth": 207,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0103",
    "depth": 150.0,
    "PO4": 1.71,
    "SiOH4": 29.28,
    "NO3_NO2": 27.92,
    "NO2": 0.0,
    "NH4": 1.9,
    "NO3": 27.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0721, 59.6007] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 76,
    "stn_id": "AHC6",
    "water_depth": 207,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0103",
    "depth": 175.0,
    "PO4": 1.89,
    "SiOH4": 34.83,
    "NO3_NO2": 32.54,
    "NO2": 0.0,
    "NH4": 1.94,
    "NO3": 32.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0721, 59.6007] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 76,
    "stn_id": "AHC6",
    "water_depth": 207,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0103",
    "depth": 203.0,
    "PO4": 2.16,
    "SiOH4": 42.55,
    "NO3_NO2": 38.48,
    "NO2": 0.03,
    "NH4": 2.1,
    "NO3": 38.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0724, 59.7005] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 77,
    "stn_id": "AHC5",
    "water_depth": 208,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0155",
    "depth": 0.0,
    "PO4": 0.54,
    "SiOH4": 14.44,
    "NO3_NO2": 7.72,
    "NO2": 0.0,
    "NH4": 1.86,
    "NO3": 7.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0724, 59.7005] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 77,
    "stn_id": "AHC5",
    "water_depth": 208,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0155",
    "depth": 15.0,
    "PO4": 0.91,
    "SiOH4": 17.38,
    "NO3_NO2": 13.24,
    "NO2": 0.0,
    "NH4": 1.89,
    "NO3": 13.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0724, 59.7005] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 77,
    "stn_id": "AHC5",
    "water_depth": 208,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0155",
    "depth": 30.0,
    "PO4": 1.07,
    "SiOH4": 19.39,
    "NO3_NO2": 15.23,
    "NO2": 0.03,
    "NH4": 2.34,
    "NO3": 15.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0724, 59.7005] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 77,
    "stn_id": "AHC5",
    "water_depth": 208,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0155",
    "depth": 50.0,
    "PO4": 1.17,
    "SiOH4": 21.89,
    "NO3_NO2": 17.88,
    "NO2": 0.04,
    "NH4": 2.26,
    "NO3": 17.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0724, 59.7005] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 77,
    "stn_id": "AHC5",
    "water_depth": 208,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0155",
    "depth": 75.0,
    "PO4": 1.25,
    "SiOH4": 22.18,
    "NO3_NO2": 20.01,
    "NO2": 0.04,
    "NH4": 2.02,
    "NO3": 19.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0724, 59.7005] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 77,
    "stn_id": "AHC5",
    "water_depth": 208,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0155",
    "depth": 100.0,
    "PO4": 1.31,
    "SiOH4": 21.76,
    "NO3_NO2": 20.74,
    "NO2": 0.04,
    "NH4": 2.01,
    "NO3": 20.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0724, 59.7005] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 77,
    "stn_id": "AHC5",
    "water_depth": 208,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0155",
    "depth": 125.0,
    "PO4": 1.36,
    "SiOH4": 22.67,
    "NO3_NO2": 22.58,
    "NO2": 0.02,
    "NH4": 1.74,
    "NO3": 22.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0724, 59.7005] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 77,
    "stn_id": "AHC5",
    "water_depth": 208,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0155",
    "depth": 150.0,
    "PO4": 1.54,
    "SiOH4": 27.21,
    "NO3_NO2": 27.14,
    "NO2": 0.02,
    "NH4": 1.77,
    "NO3": 27.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0724, 59.7005] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 77,
    "stn_id": "AHC5",
    "water_depth": 208,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0155",
    "depth": 175.0,
    "PO4": 1.88,
    "SiOH4": 37.93,
    "NO3_NO2": 34.5,
    "NO2": 0.0,
    "NH4": 1.66,
    "NO3": 34.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0724, 59.7005] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 77,
    "stn_id": "AHC5",
    "water_depth": 208,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0155",
    "depth": 205.0,
    "PO4": 2.27,
    "SiOH4": null,
    "NO3_NO2": 41.78,
    "NO2": 0.0,
    "NH4": 1.58,
    "NO3": 41.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0727, 59.7999] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 78,
    "stn_id": "AHC4",
    "water_depth": 203,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0245",
    "depth": 0.0,
    "PO4": 0.75,
    "SiOH4": 13.26,
    "NO3_NO2": 3.68,
    "NO2": 0.03,
    "NH4": 3.85,
    "NO3": 3.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0727, 59.7999] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 78,
    "stn_id": "AHC4",
    "water_depth": 203,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0245",
    "depth": 15.0,
    "PO4": 0.88,
    "SiOH4": 15.39,
    "NO3_NO2": 7.58,
    "NO2": 0.08,
    "NH4": 3.31,
    "NO3": 7.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0727, 59.7999] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 78,
    "stn_id": "AHC4",
    "water_depth": 203,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0245",
    "depth": 30.0,
    "PO4": 1.16,
    "SiOH4": 17.77,
    "NO3_NO2": 13.9,
    "NO2": 0.08,
    "NH4": 3.19,
    "NO3": 13.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0727, 59.7999] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 78,
    "stn_id": "AHC4",
    "water_depth": 203,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0245",
    "depth": 50.0,
    "PO4": 1.33,
    "SiOH4": 19.98,
    "NO3_NO2": 17.8,
    "NO2": 0.05,
    "NH4": 2.89,
    "NO3": 17.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0727, 59.7999] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 78,
    "stn_id": "AHC4",
    "water_depth": 203,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0245",
    "depth": 75.0,
    "PO4": 1.34,
    "SiOH4": 19.23,
    "NO3_NO2": 18.02,
    "NO2": 0.05,
    "NH4": 2.84,
    "NO3": 17.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0727, 59.7999] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 78,
    "stn_id": "AHC4",
    "water_depth": 203,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0245",
    "depth": 100.0,
    "PO4": 1.41,
    "SiOH4": 18.75,
    "NO3_NO2": 18.61,
    "NO2": 0.05,
    "NH4": 2.89,
    "NO3": 18.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0727, 59.7999] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 78,
    "stn_id": "AHC4",
    "water_depth": 203,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0245",
    "depth": 125.0,
    "PO4": 1.48,
    "SiOH4": 21.4,
    "NO3_NO2": 20.89,
    "NO2": 0.03,
    "NH4": 2.78,
    "NO3": 20.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0727, 59.7999] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 78,
    "stn_id": "AHC4",
    "water_depth": 203,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0245",
    "depth": 150.0,
    "PO4": 1.49,
    "SiOH4": 22.33,
    "NO3_NO2": 21.99,
    "NO2": 0.03,
    "NH4": 2.96,
    "NO3": 21.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0727, 59.7999] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 78,
    "stn_id": "AHC4",
    "water_depth": 203,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0245",
    "depth": 175.0,
    "PO4": 1.76,
    "SiOH4": 29.36,
    "NO3_NO2": 28.03,
    "NO2": 0.03,
    "NH4": 3.21,
    "NO3": 28.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0727, 59.7999] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 78,
    "stn_id": "AHC4",
    "water_depth": 203,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0245",
    "depth": 199.0,
    "PO4": 2.19,
    "SiOH4": 42.26,
    "NO3_NO2": 37.52,
    "NO2": 0.03,
    "NH4": 2.51,
    "NO3": 37.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0728, 59.8991] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 79,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0336",
    "depth": 0.0,
    "PO4": 0.67,
    "SiOH4": 14.41,
    "NO3_NO2": 5.15,
    "NO2": 0.03,
    "NH4": 2.61,
    "NO3": 5.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0728, 59.8991] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 79,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0336",
    "depth": 15.0,
    "PO4": 0.94,
    "SiOH4": 15.74,
    "NO3_NO2": 9.71,
    "NO2": 0.03,
    "NH4": 2.6,
    "NO3": 9.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0728, 59.8991] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 79,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0336",
    "depth": 30.0,
    "PO4": 1.23,
    "SiOH4": 18.88,
    "NO3_NO2": 15.52,
    "NO2": 0.05,
    "NH4": 2.74,
    "NO3": 15.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0728, 59.8991] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 79,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0336",
    "depth": 50.0,
    "PO4": 1.32,
    "SiOH4": 20.2,
    "NO3_NO2": 18.1,
    "NO2": 0.05,
    "NH4": 2.7,
    "NO3": 18.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0728, 59.8991] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 79,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0336",
    "depth": 75.0,
    "PO4": 1.37,
    "SiOH4": 19.36,
    "NO3_NO2": 18.39,
    "NO2": 0.05,
    "NH4": 2.72,
    "NO3": 18.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0728, 59.8991] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 79,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0336",
    "depth": 100.0,
    "PO4": 1.38,
    "SiOH4": 19.59,
    "NO3_NO2": 18.61,
    "NO2": 0.08,
    "NH4": 2.9,
    "NO3": 18.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0728, 59.8991] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 79,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0336",
    "depth": 125.0,
    "PO4": 1.39,
    "SiOH4": 20.6,
    "NO3_NO2": 19.79,
    "NO2": 0.05,
    "NH4": 3.21,
    "NO3": 19.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0728, 59.8991] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 79,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0336",
    "depth": 150.0,
    "PO4": 1.46,
    "SiOH4": 21.8,
    "NO3_NO2": 20.45,
    "NO2": 0.05,
    "NH4": 2.87,
    "NO3": 20.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0728, 59.8991] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 79,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0336",
    "depth": 175.0,
    "PO4": 1.66,
    "SiOH4": 21.31,
    "NO3_NO2": 26.04,
    "NO2": 0.08,
    "NH4": 3.05,
    "NO3": 25.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0728, 59.8991] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 79,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0336",
    "depth": 195.0,
    "PO4": 1.83,
    "SiOH4": 25.24,
    "NO3_NO2": 28.91,
    "NO2": 0.05,
    "NH4": 3.03,
    "NO3": 28.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0733, 59.9997] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 80,
    "stn_id": "AHC2",
    "water_depth": 185,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0428",
    "depth": 0.0,
    "PO4": 0.8,
    "SiOH4": 13.13,
    "NO3_NO2": 9.42,
    "NO2": 0.02,
    "NH4": 2.85,
    "NO3": 9.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0733, 59.9997] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 80,
    "stn_id": "AHC2",
    "water_depth": 185,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0428",
    "depth": 15.0,
    "PO4": 1.08,
    "SiOH4": 17.95,
    "NO3_NO2": 13.39,
    "NO2": 0.07,
    "NH4": 2.96,
    "NO3": 13.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0733, 59.9997] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 80,
    "stn_id": "AHC2",
    "water_depth": 185,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0428",
    "depth": 30.0,
    "PO4": 1.37,
    "SiOH4": 22.24,
    "NO3_NO2": 17.58,
    "NO2": 0.04,
    "NH4": 2.53,
    "NO3": 17.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0733, 59.9997] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 80,
    "stn_id": "AHC2",
    "water_depth": 185,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0428",
    "depth": 50.0,
    "PO4": 1.5,
    "SiOH4": 22.19,
    "NO3_NO2": 18.46,
    "NO2": 0.04,
    "NH4": 2.59,
    "NO3": 18.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0733, 59.9997] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 80,
    "stn_id": "AHC2",
    "water_depth": 185,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0428",
    "depth": 75.0,
    "PO4": 1.47,
    "SiOH4": 21.57,
    "NO3_NO2": 18.24,
    "NO2": 0.09,
    "NH4": 2.42,
    "NO3": 18.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0733, 59.9997] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 80,
    "stn_id": "AHC2",
    "water_depth": 185,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0428",
    "depth": 100.0,
    "PO4": 1.45,
    "SiOH4": 19.98,
    "NO3_NO2": 17.43,
    "NO2": 0.09,
    "NH4": 2.28,
    "NO3": 17.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0733, 59.9997] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 80,
    "stn_id": "AHC2",
    "water_depth": 185,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0428",
    "depth": 125.0,
    "PO4": 1.43,
    "SiOH4": 19.98,
    "NO3_NO2": 17.8,
    "NO2": 0.08,
    "NH4": 2.28,
    "NO3": 17.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0733, 59.9997] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 80,
    "stn_id": "AHC2",
    "water_depth": 185,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0428",
    "depth": 150.0,
    "PO4": 1.44,
    "SiOH4": 19.45,
    "NO3_NO2": 18.54,
    "NO2": 0.03,
    "NH4": 2.33,
    "NO3": 18.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0733, 59.9997] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 80,
    "stn_id": "AHC2",
    "water_depth": 185,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0428",
    "depth": 181.7,
    "PO4": 1.58,
    "SiOH4": 22.19,
    "NO3_NO2": 21.99,
    "NO2": 0.03,
    "NH4": 2.28,
    "NO3": 21.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0733, 60.0994] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 81,
    "stn_id": "AHC1",
    "water_depth": 262,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0521",
    "depth": 0.0,
    "PO4": 0.5,
    "SiOH4": 5.66,
    "NO3_NO2": 3.6,
    "NO2": 0.05,
    "NH4": 2.37,
    "NO3": 3.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0733, 60.0994] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 81,
    "stn_id": "AHC1",
    "water_depth": 262,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0521",
    "depth": 10.0,
    "PO4": 0.81,
    "SiOH4": 8.09,
    "NO3_NO2": 6.91,
    "NO2": 0.07,
    "NH4": 2.83,
    "NO3": 6.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0733, 60.0994] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 81,
    "stn_id": "AHC1",
    "water_depth": 262,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0521",
    "depth": 20.0,
    "PO4": 0.93,
    "SiOH4": 9.64,
    "NO3_NO2": 8.09,
    "NO2": 0.09,
    "NH4": 3.34,
    "NO3": 8.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0733, 60.0994] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 81,
    "stn_id": "AHC1",
    "water_depth": 262,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0521",
    "depth": 30.0,
    "PO4": 1.02,
    "SiOH4": 11.89,
    "NO3_NO2": 10.0,
    "NO2": 0.1,
    "NH4": 4.06,
    "NO3": 9.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0733, 60.0994] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 81,
    "stn_id": "AHC1",
    "water_depth": 262,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0521",
    "depth": 40.0,
    "PO4": 0.97,
    "SiOH4": 12.16,
    "NO3_NO2": 9.12,
    "NO2": 0.12,
    "NH4": 3.95,
    "NO3": 9.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0733, 60.0994] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 81,
    "stn_id": "AHC1",
    "water_depth": 262,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0521",
    "depth": 50.0,
    "PO4": 1.18,
    "SiOH4": 17.82,
    "NO3_NO2": 13.98,
    "NO2": 0.12,
    "NH4": 3.44,
    "NO3": 13.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0733, 60.0994] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 81,
    "stn_id": "AHC1",
    "water_depth": 262,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0521",
    "depth": 75.0,
    "PO4": 1.42,
    "SiOH4": 22.15,
    "NO3_NO2": 18.61,
    "NO2": 0.11,
    "NH4": 3.02,
    "NO3": 18.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0733, 60.0994] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 81,
    "stn_id": "AHC1",
    "water_depth": 262,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0521",
    "depth": 100.0,
    "PO4": 1.46,
    "SiOH4": 22.77,
    "NO3_NO2": 19.71,
    "NO2": 0.11,
    "NH4": 2.77,
    "NO3": 19.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0733, 60.0994] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 81,
    "stn_id": "AHC1",
    "water_depth": 262,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0521",
    "depth": 150.0,
    "PO4": 1.43,
    "SiOH4": 20.78,
    "NO3_NO2": 18.46,
    "NO2": 0.1,
    "NH4": 2.37,
    "NO3": 18.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0733, 60.0994] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 81,
    "stn_id": "AHC1",
    "water_depth": 262,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0521",
    "depth": 200.0,
    "PO4": 1.52,
    "SiOH4": 23.65,
    "NO3_NO2": 21.48,
    "NO2": 0.09,
    "NH4": 2.12,
    "NO3": 21.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0733, 60.0994] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 81,
    "stn_id": "AHC1",
    "water_depth": 262,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0521",
    "depth": 258.1,
    "PO4": 2.05,
    "SiOH4": 36.03,
    "NO3_NO2": 33.18,
    "NO2": 0.04,
    "NH4": 1.98,
    "NO3": 33.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1877, 60.1418] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 83,
    "stn_id": "HE12",
    "water_depth": 178,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0615",
    "depth": 0.0,
    "PO4": 0.74,
    "SiOH4": 6.63,
    "NO3_NO2": 5.44,
    "NO2": 0.08,
    "NH4": 3.28,
    "NO3": 5.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1877, 60.1418] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 83,
    "stn_id": "HE12",
    "water_depth": 178,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0615",
    "depth": 10.0,
    "PO4": 0.79,
    "SiOH4": 8.4,
    "NO3_NO2": 7.36,
    "NO2": 0.12,
    "NH4": 3.61,
    "NO3": 7.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1877, 60.1418] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 83,
    "stn_id": "HE12",
    "water_depth": 178,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0615",
    "depth": 20.0,
    "PO4": 1.16,
    "SiOH4": 13.48,
    "NO3_NO2": 11.84,
    "NO2": 0.11,
    "NH4": 3.61,
    "NO3": 11.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1877, 60.1418] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 83,
    "stn_id": "HE12",
    "water_depth": 178,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0615",
    "depth": 30.0,
    "PO4": 1.3,
    "SiOH4": 16.36,
    "NO3_NO2": 14.56,
    "NO2": 0.09,
    "NH4": 3.28,
    "NO3": 14.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1877, 60.1418] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 83,
    "stn_id": "HE12",
    "water_depth": 178,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0615",
    "depth": 40.0,
    "PO4": 1.42,
    "SiOH4": 19.89,
    "NO3_NO2": 17.51,
    "NO2": 0.11,
    "NH4": 3.28,
    "NO3": 17.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1877, 60.1418] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 83,
    "stn_id": "HE12",
    "water_depth": 178,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0615",
    "depth": 50.0,
    "PO4": 1.54,
    "SiOH4": 20.78,
    "NO3_NO2": 18.24,
    "NO2": 0.12,
    "NH4": 3.28,
    "NO3": 18.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1877, 60.1418] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 83,
    "stn_id": "HE12",
    "water_depth": 178,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0615",
    "depth": 75.0,
    "PO4": 1.62,
    "SiOH4": 22.99,
    "NO3_NO2": 20.01,
    "NO2": 0.11,
    "NH4": 2.95,
    "NO3": 19.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1877, 60.1418] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 83,
    "stn_id": "HE12",
    "water_depth": 178,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0615",
    "depth": 100.0,
    "PO4": 1.58,
    "SiOH4": 23.87,
    "NO3_NO2": 20.82,
    "NO2": 0.1,
    "NH4": 2.63,
    "NO3": 20.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1877, 60.1418] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 83,
    "stn_id": "HE12",
    "water_depth": 178,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0615",
    "depth": 125.0,
    "PO4": 1.59,
    "SiOH4": 24.32,
    "NO3_NO2": 21.48,
    "NO2": 0.09,
    "NH4": 2.3,
    "NO3": 21.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1877, 60.1418] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 83,
    "stn_id": "HE12",
    "water_depth": 178,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0615",
    "depth": 150.0,
    "PO4": 1.6,
    "SiOH4": 24.76,
    "NO3_NO2": 21.92,
    "NO2": 0.08,
    "NH4": 2.3,
    "NO3": 21.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1877, 60.1418] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 83,
    "stn_id": "HE12",
    "water_depth": 178,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0615",
    "depth": 176.8,
    "PO4": 1.62,
    "SiOH4": 25.2,
    "NO3_NO2": 22.58,
    "NO2": 0.06,
    "NH4": 2.63,
    "NO3": 22.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1317, 60.1303] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 84,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0642",
    "depth": 0.0,
    "PO4": 0.53,
    "SiOH4": 4.42,
    "NO3_NO2": 3.6,
    "NO2": 0.03,
    "NH4": 2.38,
    "NO3": 3.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1317, 60.1303] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 84,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0642",
    "depth": 10.0,
    "PO4": 0.81,
    "SiOH4": 6.63,
    "NO3_NO2": 6.03,
    "NO2": 0.06,
    "NH4": 2.38,
    "NO3": 5.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1317, 60.1303] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 84,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0642",
    "depth": 20.0,
    "PO4": 0.99,
    "SiOH4": 9.73,
    "NO3_NO2": 8.46,
    "NO2": 0.12,
    "NH4": 2.86,
    "NO3": 8.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1317, 60.1303] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 84,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0642",
    "depth": 30.0,
    "PO4": 1.12,
    "SiOH4": 13.26,
    "NO3_NO2": 11.18,
    "NO2": 0.17,
    "NH4": 3.1,
    "NO3": 11.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1317, 60.1303] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 84,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0642",
    "depth": 40.0,
    "PO4": 1.29,
    "SiOH4": 16.36,
    "NO3_NO2": 14.12,
    "NO2": 0.15,
    "NH4": 3.1,
    "NO3": 13.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1317, 60.1303] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 84,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0642",
    "depth": 50.0,
    "PO4": 1.37,
    "SiOH4": 18.13,
    "NO3_NO2": 16.11,
    "NO2": 0.13,
    "NH4": 2.86,
    "NO3": 15.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1317, 60.1303] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 84,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0642",
    "depth": 75.0,
    "PO4": 1.55,
    "SiOH4": 22.55,
    "NO3_NO2": 20.01,
    "NO2": 0.11,
    "NH4": 2.38,
    "NO3": 19.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1317, 60.1303] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 84,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0642",
    "depth": 100.0,
    "PO4": 1.54,
    "SiOH4": 22.55,
    "NO3_NO2": 19.71,
    "NO2": 0.09,
    "NH4": 2.62,
    "NO3": 19.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1317, 60.1303] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 84,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0642",
    "depth": 150.0,
    "PO4": 1.56,
    "SiOH4": 22.55,
    "NO3_NO2": 19.93,
    "NO2": 0.07,
    "NH4": 2.62,
    "NO3": 19.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1317, 60.1303] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 84,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0642",
    "depth": 216.3,
    "PO4": 1.78,
    "SiOH4": 25.64,
    "NO3_NO2": 24.2,
    "NO2": 0.05,
    "NH4": 2.38,
    "NO3": 24.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0508, 60.1098] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 85,
    "stn_id": "HE10",
    "water_depth": 277,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0717",
    "depth": 0.0,
    "PO4": 0.83,
    "SiOH4": 5.65,
    "NO3_NO2": 4.05,
    "NO2": 0.04,
    "NH4": 4.27,
    "NO3": 4.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0508, 60.1098] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 85,
    "stn_id": "HE10",
    "water_depth": 277,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0717",
    "depth": 10.0,
    "PO4": 0.97,
    "SiOH4": 7.5,
    "NO3_NO2": 6.11,
    "NO2": 0.06,
    "NH4": 4.92,
    "NO3": 6.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0508, 60.1098] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 85,
    "stn_id": "HE10",
    "water_depth": 277,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0717",
    "depth": 20.0,
    "PO4": 1.09,
    "SiOH4": 10.5,
    "NO3_NO2": 8.24,
    "NO2": 0.05,
    "NH4": 5.58,
    "NO3": 8.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0508, 60.1098] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 85,
    "stn_id": "HE10",
    "water_depth": 277,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0717",
    "depth": 30.0,
    "PO4": 1.07,
    "SiOH4": 9.4,
    "NO3_NO2": 6.77,
    "NO2": 0.07,
    "NH4": 3.94,
    "NO3": 6.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0508, 60.1098] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 85,
    "stn_id": "HE10",
    "water_depth": 277,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0717",
    "depth": 50.0,
    "PO4": 1.43,
    "SiOH4": 19.0,
    "NO3_NO2": 14.64,
    "NO2": 0.09,
    "NH4": 4.27,
    "NO3": 14.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0508, 60.1098] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 85,
    "stn_id": "HE10",
    "water_depth": 277,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0717",
    "depth": 75.0,
    "PO4": 1.67,
    "SiOH4": 23.0,
    "NO3_NO2": 18.98,
    "NO2": 0.11,
    "NH4": 3.94,
    "NO3": 18.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0508, 60.1098] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 85,
    "stn_id": "HE10",
    "water_depth": 277,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0717",
    "depth": 100.0,
    "PO4": 1.69,
    "SiOH4": 23.5,
    "NO3_NO2": 19.35,
    "NO2": 0.11,
    "NH4": 3.94,
    "NO3": 19.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0508, 60.1098] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 85,
    "stn_id": "HE10",
    "water_depth": 277,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0717",
    "depth": 150.0,
    "PO4": 1.63,
    "SiOH4": 21.0,
    "NO3_NO2": 17.95,
    "NO2": 0.1,
    "NH4": 3.61,
    "NO3": 17.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0508, 60.1098] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 85,
    "stn_id": "HE10",
    "water_depth": 277,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0717",
    "depth": 200.0,
    "PO4": 1.67,
    "SiOH4": 22.0,
    "NO3_NO2": 19.86,
    "NO2": 0.07,
    "NH4": 3.28,
    "NO3": 19.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0508, 60.1098] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 85,
    "stn_id": "HE10",
    "water_depth": 277,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0717",
    "depth": 225.0,
    "PO4": 2.0,
    "SiOH4": 30.0,
    "NO3_NO2": 26.7,
    "NO2": 0.06,
    "NH4": 3.28,
    "NO3": 26.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0508, 60.1098] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 85,
    "stn_id": "HE10",
    "water_depth": 277,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0717",
    "depth": 271.7,
    "PO4": 2.06,
    "SiOH4": 36.0,
    "NO3_NO2": 31.78,
    "NO2": 0.03,
    "NH4": 3.94,
    "NO3": 31.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9624, 60.094] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 86,
    "stn_id": "HE9",
    "water_depth": 150,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0759",
    "depth": 0.0,
    "PO4": 0.56,
    "SiOH4": 2.75,
    "NO3_NO2": 2.87,
    "NO2": 0.08,
    "NH4": 4.59,
    "NO3": 2.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9624, 60.094] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 86,
    "stn_id": "HE9",
    "water_depth": 150,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0759",
    "depth": 10.0,
    "PO4": 0.73,
    "SiOH4": 6.0,
    "NO3_NO2": 5.37,
    "NO2": 0.1,
    "NH4": 4.27,
    "NO3": 5.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9624, 60.094] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 86,
    "stn_id": "HE9",
    "water_depth": 150,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0759",
    "depth": 20.0,
    "PO4": 0.82,
    "SiOH4": 9.0,
    "NO3_NO2": 7.43,
    "NO2": 0.1,
    "NH4": 4.59,
    "NO3": 7.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9624, 60.094] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 86,
    "stn_id": "HE9",
    "water_depth": 150,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0759",
    "depth": 30.0,
    "PO4": 0.89,
    "SiOH4": 11.5,
    "NO3_NO2": 8.75,
    "NO2": 0.13,
    "NH4": 4.92,
    "NO3": 8.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9624, 60.094] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 86,
    "stn_id": "HE9",
    "water_depth": 150,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0759",
    "depth": 40.0,
    "PO4": 1.02,
    "SiOH4": 15.5,
    "NO3_NO2": 12.21,
    "NO2": 0.13,
    "NH4": 4.92,
    "NO3": 12.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9624, 60.094] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 86,
    "stn_id": "HE9",
    "water_depth": 150,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0759",
    "depth": 50.0,
    "PO4": 1.18,
    "SiOH4": 19.4,
    "NO3_NO2": 16.11,
    "NO2": 0.15,
    "NH4": 5.25,
    "NO3": 15.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9624, 60.094] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 86,
    "stn_id": "HE9",
    "water_depth": 150,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0759",
    "depth": 75.0,
    "PO4": 1.31,
    "SiOH4": 21.5,
    "NO3_NO2": 19.35,
    "NO2": 0.15,
    "NH4": 4.59,
    "NO3": 19.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9624, 60.094] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 86,
    "stn_id": "HE9",
    "water_depth": 150,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0759",
    "depth": 100.0,
    "PO4": 1.28,
    "SiOH4": 21.5,
    "NO3_NO2": 18.83,
    "NO2": 0.15,
    "NH4": 4.59,
    "NO3": 18.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9624, 60.094] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 86,
    "stn_id": "HE9",
    "water_depth": 150,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0759",
    "depth": 125.0,
    "PO4": 1.22,
    "SiOH4": 20.0,
    "NO3_NO2": 18.46,
    "NO2": 0.15,
    "NH4": 4.59,
    "NO3": 18.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9624, 60.094] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 86,
    "stn_id": "HE9",
    "water_depth": 150,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0759",
    "depth": 147.6,
    "PO4": 1.2,
    "SiOH4": 19.5,
    "NO3_NO2": 18.46,
    "NO2": 0.15,
    "NH4": 3.94,
    "NO3": 18.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8757, 60.0756] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 87,
    "stn_id": "HE8",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0833",
    "depth": 0.0,
    "PO4": 0.6,
    "SiOH4": 12.11,
    "NO3_NO2": 4.27,
    "NO2": 0.04,
    "NH4": 3.38,
    "NO3": 4.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8757, 60.0756] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 87,
    "stn_id": "HE8",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0833",
    "depth": 10.0,
    "PO4": 0.94,
    "SiOH4": 17.73,
    "NO3_NO2": 9.56,
    "NO2": 0.06,
    "NH4": 3.38,
    "NO3": 9.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8757, 60.0756] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 87,
    "stn_id": "HE8",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0833",
    "depth": 20.0,
    "PO4": 1.22,
    "SiOH4": 22.05,
    "NO3_NO2": 14.71,
    "NO2": 0.09,
    "NH4": 3.1,
    "NO3": 14.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8757, 60.0756] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 87,
    "stn_id": "HE8",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0833",
    "depth": 30.0,
    "PO4": 1.36,
    "SiOH4": 24.65,
    "NO3_NO2": 17.8,
    "NO2": 0.08,
    "NH4": 3.66,
    "NO3": 17.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8757, 60.0756] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 87,
    "stn_id": "HE8",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0833",
    "depth": 40.0,
    "PO4": 1.46,
    "SiOH4": 26.16,
    "NO3_NO2": 19.79,
    "NO2": 0.08,
    "NH4": 3.38,
    "NO3": 19.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8757, 60.0756] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 87,
    "stn_id": "HE8",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0833",
    "depth": 50.0,
    "PO4": 1.21,
    "SiOH4": 21.62,
    "NO3_NO2": 13.76,
    "NO2": 0.07,
    "NH4": 3.1,
    "NO3": 13.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8757, 60.0756] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 87,
    "stn_id": "HE8",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0833",
    "depth": 75.0,
    "PO4": 1.31,
    "SiOH4": 22.7,
    "NO3_NO2": 16.4,
    "NO2": 0.1,
    "NH4": 2.82,
    "NO3": 16.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8757, 60.0756] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 87,
    "stn_id": "HE8",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0833",
    "depth": 123.4,
    "PO4": 1.46,
    "SiOH4": 24.65,
    "NO3_NO2": 19.27,
    "NO2": 0.07,
    "NH4": 2.25,
    "NO3": 19.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7916, 60.0563] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 88,
    "stn_id": "HE7",
    "water_depth": 119,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0904",
    "depth": 0.0,
    "PO4": 0.69,
    "SiOH4": 16.22,
    "NO3_NO2": 7.87,
    "NO2": 0.04,
    "NH4": 2.82,
    "NO3": 7.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7916, 60.0563] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 88,
    "stn_id": "HE7",
    "water_depth": 119,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0904",
    "depth": 10.0,
    "PO4": 0.82,
    "SiOH4": 18.38,
    "NO3_NO2": 9.34,
    "NO2": 0.03,
    "NH4": 2.82,
    "NO3": 9.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7916, 60.0563] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 88,
    "stn_id": "HE7",
    "water_depth": 119,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0904",
    "depth": 20.0,
    "PO4": 0.89,
    "SiOH4": 19.67,
    "NO3_NO2": 8.9,
    "NO2": 0.03,
    "NH4": 3.1,
    "NO3": 8.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7916, 60.0563] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 88,
    "stn_id": "HE7",
    "water_depth": 119,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0904",
    "depth": 30.0,
    "PO4": 1.07,
    "SiOH4": 21.53,
    "NO3_NO2": 12.43,
    "NO2": 0.05,
    "NH4": 2.82,
    "NO3": 12.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7916, 60.0563] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 88,
    "stn_id": "HE7",
    "water_depth": 119,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0904",
    "depth": 40.0,
    "PO4": 1.34,
    "SiOH4": 21.71,
    "NO3_NO2": 13.17,
    "NO2": 0.05,
    "NH4": 2.82,
    "NO3": 13.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7916, 60.0563] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 88,
    "stn_id": "HE7",
    "water_depth": 119,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0904",
    "depth": 50.0,
    "PO4": 1.43,
    "SiOH4": 22.48,
    "NO3_NO2": 15.23,
    "NO2": 0.07,
    "NH4": 1.97,
    "NO3": 15.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7916, 60.0563] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 88,
    "stn_id": "HE7",
    "water_depth": 119,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0904",
    "depth": 75.0,
    "PO4": 1.59,
    "SiOH4": 25.73,
    "NO3_NO2": 19.79,
    "NO2": 0.06,
    "NH4": 1.69,
    "NO3": 19.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7916, 60.0563] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 88,
    "stn_id": "HE7",
    "water_depth": 119,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0904",
    "depth": 100.0,
    "PO4": 1.61,
    "SiOH4": 24.65,
    "NO3_NO2": 19.05,
    "NO2": 0.03,
    "NH4": 1.69,
    "NO3": 19.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7916, 60.0563] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 88,
    "stn_id": "HE7",
    "water_depth": 119,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0904",
    "depth": 118.3,
    "PO4": 1.53,
    "SiOH4": 24.43,
    "NO3_NO2": 18.83,
    "NO2": 0.0,
    "NH4": 2.54,
    "NO3": 18.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7016, 60.0426] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 90,
    "stn_id": "HE6",
    "water_depth": 119,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0943",
    "depth": 0.0,
    "PO4": 0.73,
    "SiOH4": 16.25,
    "NO3_NO2": 12.09,
    "NO2": 0.02,
    "NH4": 3.56,
    "NO3": 12.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7016, 60.0426] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 90,
    "stn_id": "HE6",
    "water_depth": 119,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0943",
    "depth": 10.0,
    "PO4": 0.96,
    "SiOH4": 17.69,
    "NO3_NO2": 13.07,
    "NO2": 0.06,
    "NH4": 2.67,
    "NO3": 13.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7016, 60.0426] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 90,
    "stn_id": "HE6",
    "water_depth": 119,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0943",
    "depth": 20.0,
    "PO4": 0.99,
    "SiOH4": 19.37,
    "NO3_NO2": 14.58,
    "NO2": 0.07,
    "NH4": 2.67,
    "NO3": 14.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7016, 60.0426] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 90,
    "stn_id": "HE6",
    "water_depth": 119,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0943",
    "depth": 30.0,
    "PO4": 1.17,
    "SiOH4": 19.85,
    "NO3_NO2": 15.36,
    "NO2": 0.04,
    "NH4": 2.38,
    "NO3": 15.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7016, 60.0426] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 90,
    "stn_id": "HE6",
    "water_depth": 119,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0943",
    "depth": 40.0,
    "PO4": 1.17,
    "SiOH4": 19.6,
    "NO3_NO2": 14.32,
    "NO2": 0.03,
    "NH4": 1.48,
    "NO3": 14.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7016, 60.0426] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 90,
    "stn_id": "HE6",
    "water_depth": 119,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0943",
    "depth": 50.0,
    "PO4": 1.23,
    "SiOH4": 20.56,
    "NO3_NO2": 15.04,
    "NO2": 0.05,
    "NH4": 2.08,
    "NO3": 14.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7016, 60.0426] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 90,
    "stn_id": "HE6",
    "water_depth": 119,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0943",
    "depth": 75.0,
    "PO4": 1.32,
    "SiOH4": 21.52,
    "NO3_NO2": 16.87,
    "NO2": 0.07,
    "NH4": 2.38,
    "NO3": 16.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7016, 60.0426] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 90,
    "stn_id": "HE6",
    "water_depth": 119,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0943",
    "depth": 90.0,
    "PO4": 1.37,
    "SiOH4": 22.48,
    "NO3_NO2": 18.3,
    "NO2": 0.06,
    "NH4": 2.67,
    "NO3": 18.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7016, 60.0426] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 90,
    "stn_id": "HE6",
    "water_depth": 119,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "0943",
    "depth": 118.0,
    "PO4": 1.54,
    "SiOH4": 25.12,
    "NO3_NO2": 20.92,
    "NO2": 0.07,
    "NH4": 2.38,
    "NO3": 20.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.607, 60.0297] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 91,
    "stn_id": "HE5",
    "water_depth": 92,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1014",
    "depth": 0.0,
    "PO4": 0.7,
    "SiOH4": 10.94,
    "NO3_NO2": 8.89,
    "NO2": 0.02,
    "NH4": 2.38,
    "NO3": 8.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.607, 60.0297] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 91,
    "stn_id": "HE5",
    "water_depth": 92,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1014",
    "depth": 10.0,
    "PO4": 0.81,
    "SiOH4": 11.89,
    "NO3_NO2": 9.41,
    "NO2": 0.01,
    "NH4": 1.78,
    "NO3": 9.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.607, 60.0297] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 91,
    "stn_id": "HE5",
    "water_depth": 92,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1014",
    "depth": 20.0,
    "PO4": 0.92,
    "SiOH4": 13.33,
    "NO3_NO2": 10.46,
    "NO2": 0.05,
    "NH4": 2.08,
    "NO3": 10.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.607, 60.0297] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 91,
    "stn_id": "HE5",
    "water_depth": 92,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1014",
    "depth": 30.0,
    "PO4": 0.99,
    "SiOH4": 15.25,
    "NO3_NO2": 11.7,
    "NO2": 0.04,
    "NH4": 2.38,
    "NO3": 11.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.607, 60.0297] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 91,
    "stn_id": "HE5",
    "water_depth": 92,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1014",
    "depth": 40.0,
    "PO4": 1.15,
    "SiOH4": 20.54,
    "NO3_NO2": 14.12,
    "NO2": 0.03,
    "NH4": 2.38,
    "NO3": 14.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.607, 60.0297] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 91,
    "stn_id": "HE5",
    "water_depth": 92,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1014",
    "depth": 50.0,
    "PO4": 1.27,
    "SiOH4": 22.94,
    "NO3_NO2": 16.34,
    "NO2": 0.05,
    "NH4": 2.38,
    "NO3": 16.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.607, 60.0297] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 91,
    "stn_id": "HE5",
    "water_depth": 92,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1014",
    "depth": 75.0,
    "PO4": 1.36,
    "SiOH4": 23.9,
    "NO3_NO2": 17.65,
    "NO2": 0.07,
    "NH4": 2.08,
    "NO3": 17.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.607, 60.0297] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 91,
    "stn_id": "HE5",
    "water_depth": 92,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1014",
    "depth": 90.6,
    "PO4": 1.38,
    "SiOH4": 24.38,
    "NO3_NO2": 17.91,
    "NO2": 0.06,
    "NH4": 1.78,
    "NO3": 17.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6081, 60.0803] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 92,
    "stn_id": "HE4",
    "water_depth": 100,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1043",
    "depth": 0.0,
    "PO4": 1.01,
    "SiOH4": 17.65,
    "NO3_NO2": 12.02,
    "NO2": 0.02,
    "NH4": 2.97,
    "NO3": 11.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6081, 60.0803] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 92,
    "stn_id": "HE4",
    "water_depth": 100,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1043",
    "depth": 10.0,
    "PO4": 1.12,
    "SiOH4": 17.65,
    "NO3_NO2": 11.94,
    "NO2": 0.02,
    "NH4": 2.67,
    "NO3": 11.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6081, 60.0803] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 92,
    "stn_id": "HE4",
    "water_depth": 100,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1043",
    "depth": 20.0,
    "PO4": 1.29,
    "SiOH4": 22.45,
    "NO3_NO2": 14.03,
    "NO2": 0.02,
    "NH4": 2.38,
    "NO3": 14.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6081, 60.0803] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 92,
    "stn_id": "HE4",
    "water_depth": 100,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1043",
    "depth": 30.0,
    "PO4": 1.54,
    "SiOH4": 23.9,
    "NO3_NO2": 16.64,
    "NO2": 0.02,
    "NH4": 2.67,
    "NO3": 16.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6081, 60.0803] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 92,
    "stn_id": "HE4",
    "water_depth": 100,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1043",
    "depth": 40.0,
    "PO4": 1.68,
    "SiOH4": 24.86,
    "NO3_NO2": 17.68,
    "NO2": 0.02,
    "NH4": 2.67,
    "NO3": 17.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6081, 60.0803] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 92,
    "stn_id": "HE4",
    "water_depth": 100,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1043",
    "depth": 50.0,
    "PO4": 1.72,
    "SiOH4": 24.86,
    "NO3_NO2": 17.67,
    "NO2": 0.02,
    "NH4": 3.27,
    "NO3": 17.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6081, 60.0803] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 92,
    "stn_id": "HE4",
    "water_depth": 100,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1043",
    "depth": 75.0,
    "PO4": 1.8,
    "SiOH4": 25.82,
    "NO3_NO2": 18.32,
    "NO2": 0.02,
    "NH4": 3.86,
    "NO3": 18.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6081, 60.0803] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 92,
    "stn_id": "HE4",
    "water_depth": 100,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1043",
    "depth": 90.0,
    "PO4": 1.92,
    "SiOH4": 26.3,
    "NO3_NO2": 19.3,
    "NO2": 0.02,
    "NH4": 3.27,
    "NO3": 19.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6081, 60.0803] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 92,
    "stn_id": "HE4",
    "water_depth": 100,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1043",
    "depth": 115.0,
    "PO4": 2.07,
    "SiOH4": 28.22,
    "NO3_NO2": 20.73,
    "NO2": 0.02,
    "NH4": 3.86,
    "NO3": 20.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.609, 60.1302] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 93,
    "stn_id": "HE3",
    "water_depth": 115,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1113",
    "depth": 0.0,
    "PO4": 0.48,
    "SiOH4": 8.08,
    "NO3_NO2": 7.12,
    "NO2": 0.02,
    "NH4": 2.67,
    "NO3": 7.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.609, 60.1302] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 93,
    "stn_id": "HE3",
    "water_depth": 115,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1113",
    "depth": 10.0,
    "PO4": 0.71,
    "SiOH4": 12.4,
    "NO3_NO2": 9.4,
    "NO2": 0.02,
    "NH4": 2.38,
    "NO3": 9.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.609, 60.1302] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 93,
    "stn_id": "HE3",
    "water_depth": 115,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1113",
    "depth": 20.0,
    "PO4": 0.85,
    "SiOH4": 15.77,
    "NO3_NO2": 11.35,
    "NO2": 0.02,
    "NH4": 2.67,
    "NO3": 11.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.609, 60.1302] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 93,
    "stn_id": "HE3",
    "water_depth": 115,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1113",
    "depth": 30.0,
    "PO4": 1.12,
    "SiOH4": 21.54,
    "NO3_NO2": 15.07,
    "NO2": 0.02,
    "NH4": 3.27,
    "NO3": 15.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.609, 60.1302] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 93,
    "stn_id": "HE3",
    "water_depth": 115,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1113",
    "depth": 40.0,
    "PO4": 1.23,
    "SiOH4": 25.39,
    "NO3_NO2": 17.48,
    "NO2": 0.02,
    "NH4": 3.56,
    "NO3": 17.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.609, 60.1302] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 93,
    "stn_id": "HE3",
    "water_depth": 115,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1113",
    "depth": 50.0,
    "PO4": 1.32,
    "SiOH4": 26.35,
    "NO3_NO2": 18.19,
    "NO2": 0.02,
    "NH4": 3.27,
    "NO3": 18.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.609, 60.1302] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 93,
    "stn_id": "HE3",
    "water_depth": 115,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1113",
    "depth": 75.0,
    "PO4": 1.32,
    "SiOH4": 27.31,
    "NO3_NO2": 18.77,
    "NO2": 0.02,
    "NH4": 2.67,
    "NO3": 18.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.609, 60.1302] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 93,
    "stn_id": "HE3",
    "water_depth": 115,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1113",
    "depth": 90.0,
    "PO4": 1.33,
    "SiOH4": 27.79,
    "NO3_NO2": 19.15,
    "NO2": 0.02,
    "NH4": 2.67,
    "NO3": 19.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.609, 60.1302] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 93,
    "stn_id": "HE3",
    "water_depth": 115,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1113",
    "depth": 114.0,
    "PO4": 1.46,
    "SiOH4": 30.19,
    "NO3_NO2": 21.37,
    "NO2": 0.02,
    "NH4": 2.67,
    "NO3": 21.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6096, 60.1798] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 94,
    "stn_id": "HE2",
    "water_depth": 194,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1144",
    "depth": 0.0,
    "PO4": 0.47,
    "SiOH4": 5.86,
    "NO3_NO2": 4.2,
    "NO2": 0.03,
    "NH4": 1.47,
    "NO3": 4.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6096, 60.1798] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 94,
    "stn_id": "HE2",
    "water_depth": 194,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1144",
    "depth": 10.0,
    "PO4": 1.15,
    "SiOH4": 13.31,
    "NO3_NO2": 12.61,
    "NO2": 0.03,
    "NH4": 4.28,
    "NO3": 12.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6096, 60.1798] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 94,
    "stn_id": "HE2",
    "water_depth": 194,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1144",
    "depth": 20.0,
    "PO4": 1.4,
    "SiOH4": 20.25,
    "NO3_NO2": 16.93,
    "NO2": 0.03,
    "NH4": 4.28,
    "NO3": 16.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6096, 60.1798] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 94,
    "stn_id": "HE2",
    "water_depth": 194,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1144",
    "depth": 30.0,
    "PO4": 1.37,
    "SiOH4": 21.34,
    "NO3_NO2": 17.2,
    "NO2": 0.03,
    "NH4": 3.48,
    "NO3": 17.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6096, 60.1798] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 94,
    "stn_id": "HE2",
    "water_depth": 194,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1144",
    "depth": 40.0,
    "PO4": 1.6,
    "SiOH4": 26.97,
    "NO3_NO2": 22.36,
    "NO2": 0.03,
    "NH4": 2.68,
    "NO3": 22.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6096, 60.1798] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 94,
    "stn_id": "HE2",
    "water_depth": 194,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1144",
    "depth": 50.0,
    "PO4": 1.62,
    "SiOH4": 27.82,
    "NO3_NO2": 23.42,
    "NO2": 0.03,
    "NH4": 1.87,
    "NO3": 23.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6096, 60.1798] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 94,
    "stn_id": "HE2",
    "water_depth": 194,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1144",
    "depth": 75.0,
    "PO4": 1.51,
    "SiOH4": 25.41,
    "NO3_NO2": 20.95,
    "NO2": 0.03,
    "NH4": 1.87,
    "NO3": 20.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6096, 60.1798] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 94,
    "stn_id": "HE2",
    "water_depth": 194,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1144",
    "depth": 100.0,
    "PO4": 1.47,
    "SiOH4": 25.14,
    "NO3_NO2": 19.99,
    "NO2": 0.03,
    "NH4": 1.61,
    "NO3": 19.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6096, 60.1798] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 94,
    "stn_id": "HE2",
    "water_depth": 194,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1144",
    "depth": 150.0,
    "PO4": 1.61,
    "SiOH4": 27.04,
    "NO3_NO2": 22.41,
    "NO2": 0.03,
    "NH4": 1.34,
    "NO3": 22.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6096, 60.1798] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 94,
    "stn_id": "HE2",
    "water_depth": 194,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1144",
    "depth": 195.0,
    "PO4": 1.61,
    "SiOH4": 27.66,
    "NO3_NO2": 22.88,
    "NO2": 0.03,
    "NH4": 1.34,
    "NO3": 22.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6111, 60.222] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 95,
    "stn_id": "HE1",
    "water_depth": 32,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1228",
    "depth": 0.0,
    "PO4": 0.3,
    "SiOH4": 3.61,
    "NO3_NO2": 1.58,
    "NO2": 0.03,
    "NH4": 1.07,
    "NO3": 1.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6111, 60.222] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 95,
    "stn_id": "HE1",
    "water_depth": 32,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1228",
    "depth": 10.0,
    "PO4": 0.68,
    "SiOH4": 6.71,
    "NO3_NO2": 6.74,
    "NO2": 0.03,
    "NH4": 2.81,
    "NO3": 6.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6111, 60.222] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 95,
    "stn_id": "HE1",
    "water_depth": 32,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1228",
    "depth": 20.0,
    "PO4": 1.16,
    "SiOH4": 14.05,
    "NO3_NO2": 13.34,
    "NO2": 0.03,
    "NH4": 5.09,
    "NO3": 13.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6111, 60.222] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 95,
    "stn_id": "HE1",
    "water_depth": 32,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1228",
    "depth": 35.0,
    "PO4": 1.36,
    "SiOH4": 20.41,
    "NO3_NO2": 16.54,
    "NO2": 0.03,
    "NH4": 3.75,
    "NO3": 16.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-144.5972, 60.1054] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 96,
    "stn_id": "CR1",
    "water_depth": 45,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1851",
    "depth": 0.0,
    "PO4": 0.36,
    "SiOH4": 5.26,
    "NO3_NO2": 1.28,
    "NO2": 0.0,
    "NH4": 2.56,
    "NO3": 1.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-144.5972, 60.1054] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 96,
    "stn_id": "CR1",
    "water_depth": 45,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1851",
    "depth": 10.0,
    "PO4": 0.35,
    "SiOH4": 5.33,
    "NO3_NO2": 1.92,
    "NO2": 0.0,
    "NH4": 2.88,
    "NO3": 1.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-144.5972, 60.1054] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 96,
    "stn_id": "CR1",
    "water_depth": 45,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1851",
    "depth": 20.0,
    "PO4": 1.16,
    "SiOH4": 16.92,
    "NO3_NO2": 15.33,
    "NO2": 0.14,
    "NH4": 4.38,
    "NO3": 15.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-144.5972, 60.1054] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 96,
    "stn_id": "CR1",
    "water_depth": 45,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1851",
    "depth": 30.0,
    "PO4": 1.35,
    "SiOH4": 21.18,
    "NO3_NO2": 17.34,
    "NO2": 0.17,
    "NH4": 5.29,
    "NO3": 17.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-144.5972, 60.1054] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 96,
    "stn_id": "CR1",
    "water_depth": 45,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1851",
    "depth": 43.6,
    "PO4": 1.58,
    "SiOH4": 27.76,
    "NO3_NO2": 20.59,
    "NO2": 0.17,
    "NH4": 5.01,
    "NO3": 20.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-144.7114, 60.0208] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 97,
    "stn_id": "CR2",
    "water_depth": 227,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1937",
    "depth": 0.0,
    "PO4": 0.27,
    "SiOH4": 2.73,
    "NO3_NO2": 0.44,
    "NO2": 0.01,
    "NH4": 1.17,
    "NO3": 0.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-144.7114, 60.0208] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 97,
    "stn_id": "CR2",
    "water_depth": 227,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1937",
    "depth": 10.0,
    "PO4": 0.48,
    "SiOH4": 5.16,
    "NO3_NO2": 4.01,
    "NO2": 0.01,
    "NH4": 2.08,
    "NO3": 4.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-144.7114, 60.0208] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 97,
    "stn_id": "CR2",
    "water_depth": 227,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1937",
    "depth": 25.0,
    "PO4": 1.26,
    "SiOH4": 22.65,
    "NO3_NO2": 17.94,
    "NO2": 0.14,
    "NH4": 3.58,
    "NO3": 17.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-144.7114, 60.0208] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 97,
    "stn_id": "CR2",
    "water_depth": 227,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1937",
    "depth": 50.0,
    "PO4": 1.52,
    "SiOH4": 28.07,
    "NO3_NO2": 21.32,
    "NO2": 0.14,
    "NH4": 3.3,
    "NO3": 21.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-144.7114, 60.0208] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 97,
    "stn_id": "CR2",
    "water_depth": 227,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1937",
    "depth": 75.0,
    "PO4": 1.53,
    "SiOH4": 28.49,
    "NO3_NO2": 22.61,
    "NO2": 0.13,
    "NH4": 2.43,
    "NO3": 22.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-144.7114, 60.0208] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 97,
    "stn_id": "CR2",
    "water_depth": 227,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1937",
    "depth": 100.0,
    "PO4": 1.52,
    "SiOH4": 27.66,
    "NO3_NO2": 23.05,
    "NO2": 0.13,
    "NH4": 1.86,
    "NO3": 22.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-144.7114, 60.0208] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 97,
    "stn_id": "CR2",
    "water_depth": 227,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1937",
    "depth": 150.0,
    "PO4": 1.49,
    "SiOH4": 25.17,
    "NO3_NO2": 22.19,
    "NO2": 0.06,
    "NH4": 2.17,
    "NO3": 22.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-144.7114, 60.0208] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 97,
    "stn_id": "CR2",
    "water_depth": 227,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1937",
    "depth": 200.0,
    "PO4": 1.68,
    "SiOH4": 29.55,
    "NO3_NO2": 26.42,
    "NO2": 0.03,
    "NH4": 1.89,
    "NO3": 26.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-144.7114, 60.0208] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 97,
    "stn_id": "CR2",
    "water_depth": 227,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "1937",
    "depth": 223.3,
    "PO4": 1.97,
    "SiOH4": null,
    "NO3_NO2": 30.25,
    "NO2": 0.05,
    "NH4": 1.91,
    "NO3": 30.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-144.8185, 59.9362] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 98,
    "stn_id": "CR3",
    "water_depth": 225,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "2030",
    "depth": 0.0,
    "PO4": 0.39,
    "SiOH4": 3.97,
    "NO3_NO2": 2.46,
    "NO2": 0.01,
    "NH4": 2.27,
    "NO3": 2.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-144.8185, 59.9362] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 98,
    "stn_id": "CR3",
    "water_depth": 225,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "2030",
    "depth": 10.0,
    "PO4": 0.41,
    "SiOH4": 4.3,
    "NO3_NO2": 2.97,
    "NO2": 0.01,
    "NH4": 2.73,
    "NO3": 2.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-144.8185, 59.9362] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 98,
    "stn_id": "CR3",
    "water_depth": 225,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "2030",
    "depth": 25.0,
    "PO4": 0.67,
    "SiOH4": 6.19,
    "NO3_NO2": 6.41,
    "NO2": 0.05,
    "NH4": 4.0,
    "NO3": 6.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-144.8185, 59.9362] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 98,
    "stn_id": "CR3",
    "water_depth": 225,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "2030",
    "depth": 50.0,
    "PO4": 0.94,
    "SiOH4": 9.69,
    "NO3_NO2": 9.92,
    "NO2": 0.07,
    "NH4": 3.93,
    "NO3": 9.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-144.8185, 59.9362] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 98,
    "stn_id": "CR3",
    "water_depth": 225,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "2030",
    "depth": 75.0,
    "PO4": 1.36,
    "SiOH4": 18.63,
    "NO3_NO2": 18.77,
    "NO2": 0.12,
    "NH4": 3.33,
    "NO3": 18.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-144.8185, 59.9362] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 98,
    "stn_id": "CR3",
    "water_depth": 225,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "2030",
    "depth": 100.0,
    "PO4": 1.56,
    "SiOH4": 21.93,
    "NO3_NO2": 23.52,
    "NO2": 0.14,
    "NH4": 2.18,
    "NO3": 23.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-144.8185, 59.9362] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 98,
    "stn_id": "CR3",
    "water_depth": 225,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "2030",
    "depth": 150.0,
    "PO4": 1.52,
    "SiOH4": 19.81,
    "NO3_NO2": 22.99,
    "NO2": 0.08,
    "NH4": 2.38,
    "NO3": 22.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-144.8185, 59.9362] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 98,
    "stn_id": "CR3",
    "water_depth": 225,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "2030",
    "depth": 200.0,
    "PO4": 1.81,
    "SiOH4": 24.57,
    "NO3_NO2": 28.71,
    "NO2": 0.08,
    "NH4": 2.31,
    "NO3": 28.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-144.8185, 59.9362] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 98,
    "stn_id": "CR3",
    "water_depth": 225,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "2030",
    "depth": 225.0,
    "PO4": 2.11,
    "SiOH4": null,
    "NO3_NO2": 31.57,
    "NO2": 0.1,
    "NH4": 2.51,
    "NO3": 31.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-144.9313, 59.853] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 99,
    "stn_id": "CR4",
    "water_depth": 207,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "2126",
    "depth": 0.0,
    "PO4": 0.36,
    "SiOH4": 4.1,
    "NO3_NO2": 2.17,
    "NO2": 0.02,
    "NH4": 2.71,
    "NO3": 2.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-144.9313, 59.853] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 99,
    "stn_id": "CR4",
    "water_depth": 207,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "2126",
    "depth": 10.0,
    "PO4": 0.41,
    "SiOH4": 4.37,
    "NO3_NO2": 2.87,
    "NO2": 0.04,
    "NH4": 2.63,
    "NO3": 2.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-144.9313, 59.853] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 99,
    "stn_id": "CR4",
    "water_depth": 207,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "2126",
    "depth": 25.0,
    "PO4": 0.77,
    "SiOH4": 7.49,
    "NO3_NO2": 7.23,
    "NO2": 0.08,
    "NH4": 4.71,
    "NO3": 7.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-144.9313, 59.853] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 99,
    "stn_id": "CR4",
    "water_depth": 207,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "2126",
    "depth": 50.0,
    "PO4": 0.89,
    "SiOH4": 7.91,
    "NO3_NO2": 7.87,
    "NO2": 0.08,
    "NH4": 4.64,
    "NO3": 7.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-144.9313, 59.853] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 99,
    "stn_id": "CR4",
    "water_depth": 207,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "2126",
    "depth": 75.0,
    "PO4": 1.2,
    "SiOH4": 14.81,
    "NO3_NO2": 14.44,
    "NO2": 0.07,
    "NH4": 4.56,
    "NO3": 14.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-144.9313, 59.853] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 99,
    "stn_id": "CR4",
    "water_depth": 207,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "2126",
    "depth": 100.0,
    "PO4": 1.1,
    "SiOH4": 11.31,
    "NO3_NO2": 10.59,
    "NO2": 0.04,
    "NH4": 4.49,
    "NO3": 10.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-144.9313, 59.853] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 99,
    "stn_id": "CR4",
    "water_depth": 207,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "2126",
    "depth": 150.0,
    "PO4": 1.43,
    "SiOH4": 20.08,
    "NO3_NO2": 21.85,
    "NO2": 0.06,
    "NH4": 2.28,
    "NO3": 21.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-144.9313, 59.853] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 99,
    "stn_id": "CR4",
    "water_depth": 207,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "2126",
    "depth": 204.4,
    "PO4": 1.88,
    "SiOH4": null,
    "NO3_NO2": 29.6,
    "NO2": 0.03,
    "NH4": 2.21,
    "NO3": 29.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-145.0396, 59.7708] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 100,
    "stn_id": "CR5",
    "water_depth": 174,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "2222",
    "depth": 0.0,
    "PO4": 0.46,
    "SiOH4": 3.98,
    "NO3_NO2": 2.92,
    "NO2": 0.03,
    "NH4": 3.32,
    "NO3": 2.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-145.0396, 59.7708] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 100,
    "stn_id": "CR5",
    "water_depth": 174,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "2222",
    "depth": 10.0,
    "PO4": 0.51,
    "SiOH4": 3.47,
    "NO3_NO2": 3.24,
    "NO2": 0.03,
    "NH4": 2.94,
    "NO3": 3.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-145.0396, 59.7708] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 100,
    "stn_id": "CR5",
    "water_depth": 174,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "2222",
    "depth": 25.0,
    "PO4": 0.58,
    "SiOH4": 4.44,
    "NO3_NO2": 3.23,
    "NO2": 0.03,
    "NH4": 3.16,
    "NO3": 3.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-145.0396, 59.7708] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 100,
    "stn_id": "CR5",
    "water_depth": 174,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "2222",
    "depth": 50.0,
    "PO4": 0.66,
    "SiOH4": 11.45,
    "NO3_NO2": 4.13,
    "NO2": 0.03,
    "NH4": 2.41,
    "NO3": 4.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-145.0396, 59.7708] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 100,
    "stn_id": "CR5",
    "water_depth": 174,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "2222",
    "depth": 70.0,
    "PO4": 0.9,
    "SiOH4": 13.04,
    "NO3_NO2": 9.15,
    "NO2": 0.03,
    "NH4": 3.21,
    "NO3": 9.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-145.0396, 59.7708] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 100,
    "stn_id": "CR5",
    "water_depth": 174,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "2222",
    "depth": 100.0,
    "PO4": 1.28,
    "SiOH4": 26.26,
    "NO3_NO2": 20.74,
    "NO2": 0.03,
    "NH4": 2.94,
    "NO3": 20.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-145.0396, 59.7708] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 100,
    "stn_id": "CR5",
    "water_depth": 174,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "2222",
    "depth": 150.0,
    "PO4": 1.55,
    "SiOH4": 28.12,
    "NO3_NO2": 24.38,
    "NO2": 0.03,
    "NH4": 2.3,
    "NO3": 24.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-145.0396, 59.7708] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 100,
    "stn_id": "CR5",
    "water_depth": 174,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "2222",
    "depth": 176.0,
    "PO4": 1.7,
    "SiOH4": 31.53,
    "NO3_NO2": 26.26,
    "NO2": 0.03,
    "NH4": 2.94,
    "NO3": 26.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-145.1383, 59.6861] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 101,
    "stn_id": "CR6",
    "water_depth": 178,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "2319",
    "depth": 0.0,
    "PO4": 0.32,
    "SiOH4": 2.57,
    "NO3_NO2": 2.08,
    "NO2": 0.03,
    "NH4": 2.14,
    "NO3": 2.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-145.1383, 59.6861] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 101,
    "stn_id": "CR6",
    "water_depth": 178,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "2319",
    "depth": 15.0,
    "PO4": 0.99,
    "SiOH4": 16.85,
    "NO3_NO2": 14.06,
    "NO2": 0.08,
    "NH4": 3.48,
    "NO3": 13.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-145.1383, 59.6861] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 101,
    "stn_id": "CR6",
    "water_depth": 178,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "2319",
    "depth": 25.0,
    "PO4": 1.3,
    "SiOH4": 23.4,
    "NO3_NO2": 17.18,
    "NO2": 0.08,
    "NH4": 3.48,
    "NO3": 17.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-145.1383, 59.6861] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 101,
    "stn_id": "CR6",
    "water_depth": 178,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "2319",
    "depth": 50.0,
    "PO4": 1.5,
    "SiOH4": 29.52,
    "NO3_NO2": 23.04,
    "NO2": 0.08,
    "NH4": 2.14,
    "NO3": 22.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-145.1383, 59.6861] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 101,
    "stn_id": "CR6",
    "water_depth": 178,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "2319",
    "depth": 70.0,
    "PO4": 1.28,
    "SiOH4": 22.1,
    "NO3_NO2": 18.41,
    "NO2": 0.08,
    "NH4": 2.41,
    "NO3": 18.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-145.1383, 59.6861] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 101,
    "stn_id": "CR6",
    "water_depth": 178,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "2319",
    "depth": 100.0,
    "PO4": 1.29,
    "SiOH4": 21.13,
    "NO3_NO2": 18.46,
    "NO2": 0.08,
    "NH4": 2.14,
    "NO3": 18.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-145.1383, 59.6861] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 101,
    "stn_id": "CR6",
    "water_depth": 178,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "2319",
    "depth": 150.0,
    "PO4": 1.38,
    "SiOH4": 24.26,
    "NO3_NO2": 21.06,
    "NO2": 0.05,
    "NH4": 2.14,
    "NO3": 21.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-145.1383, 59.6861] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 101,
    "stn_id": "CR6",
    "water_depth": 178,
    "month_gmt": "5",
    "day_gmt": "23",
    "time_gmt": "2319",
    "depth": 177.0,
    "PO4": 1.49,
    "SiOH4": 25.85,
    "NO3_NO2": 22.82,
    "NO2": 0.03,
    "NH4": 1.87,
    "NO3": 22.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8299, 59.9194] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 102,
    "stn_id": "MS4",
    "water_depth": 108,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1611",
    "depth": 0.0,
    "PO4": 0.8,
    "SiOH4": 15.24,
    "NO3_NO2": 17.72,
    "NO2": 0.05,
    "NH4": 2.45,
    "NO3": 17.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8299, 59.9194] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 102,
    "stn_id": "MS4",
    "water_depth": 108,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1611",
    "depth": 15.0,
    "PO4": 1.02,
    "SiOH4": 15.75,
    "NO3_NO2": 18.52,
    "NO2": 0.05,
    "NH4": 3.06,
    "NO3": 18.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8299, 59.9194] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 102,
    "stn_id": "MS4",
    "water_depth": 108,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1611",
    "depth": 20.0,
    "PO4": 1.05,
    "SiOH4": 16.13,
    "NO3_NO2": 18.84,
    "NO2": 0.05,
    "NH4": 3.06,
    "NO3": 18.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8299, 59.9194] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 102,
    "stn_id": "MS4",
    "water_depth": 108,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1611",
    "depth": 30.0,
    "PO4": 1.11,
    "SiOH4": 16.7,
    "NO3_NO2": 19.26,
    "NO2": 0.05,
    "NH4": 3.37,
    "NO3": 19.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8299, 59.9194] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 102,
    "stn_id": "MS4",
    "water_depth": 108,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1611",
    "depth": 40.0,
    "PO4": 1.2,
    "SiOH4": 18.38,
    "NO3_NO2": 20.85,
    "NO2": 0.05,
    "NH4": 3.98,
    "NO3": 20.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8299, 59.9194] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 102,
    "stn_id": "MS4",
    "water_depth": 108,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1611",
    "depth": 50.0,
    "PO4": 1.31,
    "SiOH4": 20.2,
    "NO3_NO2": 23.25,
    "NO2": 0.05,
    "NH4": 3.98,
    "NO3": 23.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8299, 59.9194] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 102,
    "stn_id": "MS4",
    "water_depth": 108,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1611",
    "depth": 70.0,
    "PO4": 1.55,
    "SiOH4": 22.44,
    "NO3_NO2": 27.34,
    "NO2": 0.05,
    "NH4": 4.29,
    "NO3": 27.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8299, 59.9194] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 102,
    "stn_id": "MS4",
    "water_depth": 108,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1611",
    "depth": 85.0,
    "PO4": 1.74,
    "SiOH4": 28.23,
    "NO3_NO2": 33.99,
    "NO2": 0.05,
    "NH4": 3.06,
    "NO3": 33.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8299, 59.9194] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 102,
    "stn_id": "MS4",
    "water_depth": 108,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1611",
    "depth": 103.0,
    "PO4": 1.85,
    "SiOH4": 30.54,
    "NO3_NO2": 36.95,
    "NO2": 0.05,
    "NH4": 2.14,
    "NO3": 36.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8579, 59.9309] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 103,
    "stn_id": "MS3",
    "water_depth": 165,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1631",
    "depth": 0.0,
    "PO4": 0.31,
    "SiOH4": 2.27,
    "NO3_NO2": 1.25,
    "NO2": 0.03,
    "NH4": 0.92,
    "NO3": 1.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8579, 59.9309] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 103,
    "stn_id": "MS3",
    "water_depth": 165,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1631",
    "depth": 10.0,
    "PO4": 0.7,
    "SiOH4": 5.7,
    "NO3_NO2": 8.22,
    "NO2": 0.03,
    "NH4": 2.14,
    "NO3": 8.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8579, 59.9309] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 103,
    "stn_id": "MS3",
    "water_depth": 165,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1631",
    "depth": 20.0,
    "PO4": 0.9,
    "SiOH4": 8.01,
    "NO3_NO2": 11.89,
    "NO2": 0.03,
    "NH4": 3.68,
    "NO3": 11.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8579, 59.9309] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 103,
    "stn_id": "MS3",
    "water_depth": 165,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1631",
    "depth": 30.0,
    "PO4": 1.24,
    "SiOH4": 14.6,
    "NO3_NO2": 19.15,
    "NO2": 0.03,
    "NH4": 3.68,
    "NO3": 19.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8579, 59.9309] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 103,
    "stn_id": "MS3",
    "water_depth": 165,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1631",
    "depth": 40.0,
    "PO4": 1.36,
    "SiOH4": 17.54,
    "NO3_NO2": 22.34,
    "NO2": 0.03,
    "NH4": 3.37,
    "NO3": 22.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8579, 59.9309] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 103,
    "stn_id": "MS3",
    "water_depth": 165,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1631",
    "depth": 50.0,
    "PO4": 1.48,
    "SiOH4": 21.65,
    "NO3_NO2": 26.77,
    "NO2": 0.03,
    "NH4": 3.37,
    "NO3": 26.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8579, 59.9309] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 103,
    "stn_id": "MS3",
    "water_depth": 165,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1631",
    "depth": 75.0,
    "PO4": 1.65,
    "SiOH4": 25.51,
    "NO3_NO2": 30.96,
    "NO2": 0.03,
    "NH4": 3.06,
    "NO3": 30.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8579, 59.9309] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 103,
    "stn_id": "MS3",
    "water_depth": 165,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1631",
    "depth": 100.0,
    "PO4": 1.78,
    "SiOH4": 30.62,
    "NO3_NO2": 36.0,
    "NO2": 0.03,
    "NH4": 1.23,
    "NO3": 35.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8579, 59.9309] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 103,
    "stn_id": "MS3",
    "water_depth": 165,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1631",
    "depth": 130.0,
    "PO4": 1.83,
    "SiOH4": 30.75,
    "NO3_NO2": 37.45,
    "NO2": 0.03,
    "NH4": 0.92,
    "NO3": 37.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8579, 59.9309] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 103,
    "stn_id": "MS3",
    "water_depth": 165,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1631",
    "depth": 166.5,
    "PO4": 1.93,
    "SiOH4": 33.62,
    "NO3_NO2": 38.86,
    "NO2": 0.03,
    "NH4": 1.23,
    "NO3": 38.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.897, 59.9428] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 104,
    "stn_id": "MS2",
    "water_depth": 192,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1654",
    "depth": 0.0,
    "PO4": 0.33,
    "SiOH4": 0.57,
    "NO3_NO2": 0.25,
    "NO2": 0.03,
    "NH4": 1.07,
    "NO3": 0.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.897, 59.9428] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 104,
    "stn_id": "MS2",
    "water_depth": 192,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1654",
    "depth": 8.0,
    "PO4": 0.42,
    "SiOH4": 1.42,
    "NO3_NO2": 2.26,
    "NO2": 0.03,
    "NH4": 1.53,
    "NO3": 2.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.897, 59.9428] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 104,
    "stn_id": "MS2",
    "water_depth": 192,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1654",
    "depth": 14.0,
    "PO4": 0.82,
    "SiOH4": 6.0,
    "NO3_NO2": 9.26,
    "NO2": 0.03,
    "NH4": 2.76,
    "NO3": 9.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.897, 59.9428] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 104,
    "stn_id": "MS2",
    "water_depth": 192,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1654",
    "depth": 30.0,
    "PO4": 1.21,
    "SiOH4": 15.3,
    "NO3_NO2": 16.63,
    "NO2": 0.05,
    "NH4": 3.06,
    "NO3": 16.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.897, 59.9428] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 104,
    "stn_id": "MS2",
    "water_depth": 192,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1654",
    "depth": 40.0,
    "PO4": 1.4,
    "SiOH4": 19.01,
    "NO3_NO2": 20.51,
    "NO2": 0.05,
    "NH4": 3.68,
    "NO3": 20.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.897, 59.9428] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 104,
    "stn_id": "MS2",
    "water_depth": 192,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1654",
    "depth": 50.0,
    "PO4": 1.49,
    "SiOH4": 20.29,
    "NO3_NO2": 21.96,
    "NO2": 0.05,
    "NH4": 3.06,
    "NO3": 21.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.897, 59.9428] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 104,
    "stn_id": "MS2",
    "water_depth": 192,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1654",
    "depth": 75.0,
    "PO4": 1.68,
    "SiOH4": 27.16,
    "NO3_NO2": 29.24,
    "NO2": 0.05,
    "NH4": 1.84,
    "NO3": 29.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.897, 59.9428] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 104,
    "stn_id": "MS2",
    "water_depth": 192,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1654",
    "depth": 100.0,
    "PO4": 1.75,
    "SiOH4": 28.26,
    "NO3_NO2": 30.41,
    "NO2": 0.05,
    "NH4": 1.84,
    "NO3": 30.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.897, 59.9428] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 104,
    "stn_id": "MS2",
    "water_depth": 192,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1654",
    "depth": 125.0,
    "PO4": 1.82,
    "SiOH4": 28.86,
    "NO3_NO2": 31.49,
    "NO2": 0.05,
    "NH4": 1.84,
    "NO3": 31.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.897, 59.9428] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 104,
    "stn_id": "MS2",
    "water_depth": 192,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1654",
    "depth": 150.0,
    "PO4": 1.9,
    "SiOH4": 28.83,
    "NO3_NO2": 31.62,
    "NO2": 0.03,
    "NH4": 1.53,
    "NO3": 31.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.897, 59.9428] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 104,
    "stn_id": "MS2",
    "water_depth": 192,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1654",
    "depth": 188.0,
    "PO4": 1.94,
    "SiOH4": 30.8,
    "NO3_NO2": 33.1,
    "NO2": 0.03,
    "NH4": 1.53,
    "NO3": 33.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9286, 59.9537] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 105,
    "stn_id": "MS1",
    "water_depth": 168,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1718",
    "depth": 0.0,
    "PO4": 0.25,
    "SiOH4": 1.81,
    "NO3_NO2": 0.71,
    "NO2": 0.03,
    "NH4": 1.84,
    "NO3": 0.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9286, 59.9537] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 105,
    "stn_id": "MS1",
    "water_depth": 168,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1718",
    "depth": 10.0,
    "PO4": 0.45,
    "SiOH4": 3.28,
    "NO3_NO2": 3.43,
    "NO2": 0.03,
    "NH4": 2.45,
    "NO3": 3.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9286, 59.9537] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 105,
    "stn_id": "MS1",
    "water_depth": 168,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1718",
    "depth": 15.0,
    "PO4": 0.71,
    "SiOH4": 5.24,
    "NO3_NO2": 7.88,
    "NO2": 0.03,
    "NH4": 3.06,
    "NO3": 7.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9286, 59.9537] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 105,
    "stn_id": "MS1",
    "water_depth": 168,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1718",
    "depth": 20.0,
    "PO4": 1.0,
    "SiOH4": 10.69,
    "NO3_NO2": 12.84,
    "NO2": 0.03,
    "NH4": 3.68,
    "NO3": 12.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9286, 59.9537] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 105,
    "stn_id": "MS1",
    "water_depth": 168,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1718",
    "depth": 30.0,
    "PO4": 1.29,
    "SiOH4": 16.32,
    "NO3_NO2": 19.01,
    "NO2": 0.05,
    "NH4": 3.68,
    "NO3": 18.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9286, 59.9537] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 105,
    "stn_id": "MS1",
    "water_depth": 168,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1718",
    "depth": 40.0,
    "PO4": 1.43,
    "SiOH4": 20.03,
    "NO3_NO2": 22.53,
    "NO2": 0.08,
    "NH4": 3.37,
    "NO3": 22.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9286, 59.9537] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 105,
    "stn_id": "MS1",
    "water_depth": 168,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1718",
    "depth": 50.0,
    "PO4": 1.48,
    "SiOH4": 21.25,
    "NO3_NO2": 24.02,
    "NO2": 0.08,
    "NH4": 2.45,
    "NO3": 23.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9286, 59.9537] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 105,
    "stn_id": "MS1",
    "water_depth": 168,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1718",
    "depth": 75.0,
    "PO4": 1.58,
    "SiOH4": 21.35,
    "NO3_NO2": 27.02,
    "NO2": 0.1,
    "NH4": 2.14,
    "NO3": 26.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9286, 59.9537] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 105,
    "stn_id": "MS1",
    "water_depth": 168,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1718",
    "depth": 100.0,
    "PO4": 1.7,
    "SiOH4": 23.26,
    "NO3_NO2": 30.11,
    "NO2": 0.08,
    "NH4": 2.14,
    "NO3": 30.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9286, 59.9537] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 105,
    "stn_id": "MS1",
    "water_depth": 168,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1718",
    "depth": 130.0,
    "PO4": 1.8,
    "SiOH4": 22.42,
    "NO3_NO2": 32.07,
    "NO2": 0.05,
    "NH4": 1.84,
    "NO3": 32.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9286, 59.9537] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 105,
    "stn_id": "MS1",
    "water_depth": 168,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1718",
    "depth": 162.5,
    "PO4": 1.87,
    "SiOH4": 21.78,
    "NO3_NO2": 32.8,
    "NO2": 0.05,
    "NH4": 0.0,
    "NO3": 32.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.45, 60.1328] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 106,
    "stn_id": "HB5",
    "water_depth": 37,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1920",
    "depth": 0.0,
    "PO4": 0.25,
    "SiOH4": 2.74,
    "NO3_NO2": 0.52,
    "NO2": 0.03,
    "NH4": 1.23,
    "NO3": 0.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.45, 60.1328] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 106,
    "stn_id": "HB5",
    "water_depth": 37,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1920",
    "depth": 10.0,
    "PO4": 0.51,
    "SiOH4": 5.82,
    "NO3_NO2": 4.69,
    "NO2": 0.03,
    "NH4": 1.53,
    "NO3": 4.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.45, 60.1328] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 106,
    "stn_id": "HB5",
    "water_depth": 37,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1920",
    "depth": 15.0,
    "PO4": 0.76,
    "SiOH4": 8.4,
    "NO3_NO2": 8.65,
    "NO2": 0.03,
    "NH4": 2.45,
    "NO3": 8.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.45, 60.1328] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 106,
    "stn_id": "HB5",
    "water_depth": 37,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1920",
    "depth": 20.0,
    "PO4": 0.94,
    "SiOH4": 11.23,
    "NO3_NO2": 11.89,
    "NO2": 0.03,
    "NH4": 3.06,
    "NO3": 11.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.45, 60.1328] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 106,
    "stn_id": "HB5",
    "water_depth": 37,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1920",
    "depth": 30.0,
    "PO4": 1.2,
    "SiOH4": 18.1,
    "NO3_NO2": 16.69,
    "NO2": 0.03,
    "NH4": 3.68,
    "NO3": 16.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.45, 60.1328] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 106,
    "stn_id": "HB5",
    "water_depth": 37,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1920",
    "depth": 37.0,
    "PO4": 1.23,
    "SiOH4": 17.88,
    "NO3_NO2": 16.54,
    "NO2": 0.03,
    "NH4": 3.37,
    "NO3": 16.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5042, 60.1475] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 107,
    "stn_id": "HB4",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1939",
    "depth": 0.0,
    "PO4": 0.45,
    "SiOH4": 3.5,
    "NO3_NO2": 2.42,
    "NO2": 0.05,
    "NH4": 1.53,
    "NO3": 2.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5042, 60.1475] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 107,
    "stn_id": "HB4",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1939",
    "depth": 10.0,
    "PO4": 0.65,
    "SiOH4": 5.27,
    "NO3_NO2": 5.98,
    "NO2": 0.05,
    "NH4": 2.6,
    "NO3": 5.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5042, 60.1475] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 107,
    "stn_id": "HB4",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1939",
    "depth": 15.0,
    "PO4": 0.83,
    "SiOH4": 7.66,
    "NO3_NO2": 8.7,
    "NO2": 0.05,
    "NH4": 3.06,
    "NO3": 8.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5042, 60.1475] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 107,
    "stn_id": "HB4",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1939",
    "depth": 20.0,
    "PO4": 1.04,
    "SiOH4": 12.48,
    "NO3_NO2": 12.71,
    "NO2": 0.05,
    "NH4": 3.37,
    "NO3": 12.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5042, 60.1475] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 107,
    "stn_id": "HB4",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1939",
    "depth": 30.0,
    "PO4": 1.18,
    "SiOH4": 16.18,
    "NO3_NO2": 15.55,
    "NO2": 0.05,
    "NH4": 3.98,
    "NO3": 15.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5042, 60.1475] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 107,
    "stn_id": "HB4",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1939",
    "depth": 40.0,
    "PO4": 1.37,
    "SiOH4": 19.82,
    "NO3_NO2": 18.75,
    "NO2": 0.05,
    "NH4": 4.9,
    "NO3": 18.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5042, 60.1475] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 107,
    "stn_id": "HB4",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1939",
    "depth": 50.0,
    "PO4": 1.61,
    "SiOH4": 24.27,
    "NO3_NO2": 21.83,
    "NO2": 0.05,
    "NH4": 6.43,
    "NO3": 21.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5042, 60.1475] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 107,
    "stn_id": "HB4",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1939",
    "depth": 75.0,
    "PO4": 1.95,
    "SiOH4": 30.08,
    "NO3_NO2": 26.0,
    "NO2": 0.05,
    "NH4": 7.97,
    "NO3": 25.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5042, 60.1475] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 107,
    "stn_id": "HB4",
    "water_depth": 105,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "1939",
    "depth": 103.0,
    "PO4": 2.13,
    "SiOH4": 35.46,
    "NO3_NO2": 28.76,
    "NO2": 0.05,
    "NH4": 7.35,
    "NO3": 28.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5751, 60.1652] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 108,
    "stn_id": "HB3",
    "water_depth": 83,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "2005",
    "depth": 0.0,
    "PO4": 0.41,
    "SiOH4": 2.3,
    "NO3_NO2": 1.74,
    "NO2": 0.03,
    "NH4": 1.53,
    "NO3": 1.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5751, 60.1652] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 108,
    "stn_id": "HB3",
    "water_depth": 83,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "2005",
    "depth": 13.0,
    "PO4": 0.86,
    "SiOH4": 9.04,
    "NO3_NO2": 9.38,
    "NO2": 0.03,
    "NH4": 3.37,
    "NO3": 9.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5751, 60.1652] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 108,
    "stn_id": "HB3",
    "water_depth": 83,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "2005",
    "depth": 20.0,
    "PO4": 1.15,
    "SiOH4": 15.6,
    "NO3_NO2": 15.07,
    "NO2": 0.03,
    "NH4": 4.9,
    "NO3": 15.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5751, 60.1652] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 108,
    "stn_id": "HB3",
    "water_depth": 83,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "2005",
    "depth": 30.0,
    "PO4": 1.3,
    "SiOH4": 17.5,
    "NO3_NO2": 17.08,
    "NO2": 0.03,
    "NH4": 4.6,
    "NO3": 17.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5751, 60.1652] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 108,
    "stn_id": "HB3",
    "water_depth": 83,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "2005",
    "depth": 40.0,
    "PO4": 1.43,
    "SiOH4": 19.89,
    "NO3_NO2": 19.09,
    "NO2": 0.03,
    "NH4": 5.21,
    "NO3": 19.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5751, 60.1652] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 108,
    "stn_id": "HB3",
    "water_depth": 83,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "2005",
    "depth": 50.0,
    "PO4": 1.48,
    "SiOH4": 21.97,
    "NO3_NO2": 20.9,
    "NO2": 0.03,
    "NH4": 5.82,
    "NO3": 20.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5751, 60.1652] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 108,
    "stn_id": "HB3",
    "water_depth": 83,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "2005",
    "depth": 65.0,
    "PO4": 1.55,
    "SiOH4": 23.99,
    "NO3_NO2": 22.54,
    "NO2": 0.03,
    "NH4": 5.82,
    "NO3": 22.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5751, 60.1652] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 108,
    "stn_id": "HB3",
    "water_depth": 83,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "2005",
    "depth": 86.1,
    "PO4": 1.71,
    "SiOH4": 29.49,
    "NO3_NO2": 26.91,
    "NO2": 0.03,
    "NH4": 5.21,
    "NO3": 26.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6403, 60.1805] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 109,
    "stn_id": "HB2",
    "water_depth": 170,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "2031",
    "depth": 0.0,
    "PO4": 0.26,
    "SiOH4": 1.55,
    "NO3_NO2": 0.0,
    "NO2": 0.03,
    "NH4": 1.84,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6403, 60.1805] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 109,
    "stn_id": "HB2",
    "water_depth": 170,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "2031",
    "depth": 10.0,
    "PO4": 0.48,
    "SiOH4": 4.26,
    "NO3_NO2": 3.21,
    "NO2": 0.05,
    "NH4": 1.84,
    "NO3": 3.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6403, 60.1805] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 109,
    "stn_id": "HB2",
    "water_depth": 170,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "2031",
    "depth": 20.0,
    "PO4": 0.7,
    "SiOH4": 9.63,
    "NO3_NO2": 9.98,
    "NO2": 0.1,
    "NH4": 2.76,
    "NO3": 9.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6403, 60.1805] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 109,
    "stn_id": "HB2",
    "water_depth": 170,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "2031",
    "depth": 30.0,
    "PO4": 1.19,
    "SiOH4": 16.63,
    "NO3_NO2": 16.3,
    "NO2": 0.1,
    "NH4": 3.98,
    "NO3": 16.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6403, 60.1805] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 109,
    "stn_id": "HB2",
    "water_depth": 170,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "2031",
    "depth": 40.0,
    "PO4": 1.3,
    "SiOH4": 20.02,
    "NO3_NO2": 19.15,
    "NO2": 0.1,
    "NH4": 3.98,
    "NO3": 19.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6403, 60.1805] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 109,
    "stn_id": "HB2",
    "water_depth": 170,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "2031",
    "depth": 50.0,
    "PO4": 1.37,
    "SiOH4": 21.23,
    "NO3_NO2": 20.32,
    "NO2": 0.1,
    "NH4": 4.29,
    "NO3": 20.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6403, 60.1805] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 109,
    "stn_id": "HB2",
    "water_depth": 170,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "2031",
    "depth": 75.0,
    "PO4": 1.61,
    "SiOH4": 28.84,
    "NO3_NO2": 27.09,
    "NO2": 0.08,
    "NH4": 3.06,
    "NO3": 27.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6403, 60.1805] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 109,
    "stn_id": "HB2",
    "water_depth": 170,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "2031",
    "depth": 100.0,
    "PO4": 1.71,
    "SiOH4": 36.58,
    "NO3_NO2": 31.1,
    "NO2": 0.05,
    "NH4": 1.53,
    "NO3": 31.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6403, 60.1805] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 109,
    "stn_id": "HB2",
    "water_depth": 170,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "2031",
    "depth": 140.0,
    "PO4": 1.8,
    "SiOH4": 34.81,
    "NO3_NO2": 32.86,
    "NO2": 0.05,
    "NH4": 1.53,
    "NO3": 32.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6403, 60.1805] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 109,
    "stn_id": "HB2",
    "water_depth": 170,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "2031",
    "depth": 171.3,
    "PO4": 1.8,
    "SiOH4": 35.4,
    "NO3_NO2": 32.99,
    "NO2": 0.05,
    "NH4": 2.45,
    "NO3": 32.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6978, 60.193] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 110,
    "stn_id": "HB1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "2057",
    "depth": 0.0,
    "PO4": 0.25,
    "SiOH4": 0.99,
    "NO3_NO2": 0.18,
    "NO2": 0.03,
    "NH4": 0.92,
    "NO3": 0.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6978, 60.193] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 110,
    "stn_id": "HB1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "2057",
    "depth": 10.0,
    "PO4": 0.42,
    "SiOH4": 2.61,
    "NO3_NO2": 3.29,
    "NO2": 0.03,
    "NH4": 1.53,
    "NO3": 3.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6978, 60.193] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 110,
    "stn_id": "HB1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "2057",
    "depth": 20.0,
    "PO4": 0.93,
    "SiOH4": 11.44,
    "NO3_NO2": 12.56,
    "NO2": 0.03,
    "NH4": 3.37,
    "NO3": 12.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6978, 60.193] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 110,
    "stn_id": "HB1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "2057",
    "depth": 30.0,
    "PO4": 1.25,
    "SiOH4": 17.9,
    "NO3_NO2": 17.99,
    "NO2": 0.03,
    "NH4": 4.6,
    "NO3": 17.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6978, 60.193] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 110,
    "stn_id": "HB1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "2057",
    "depth": 40.0,
    "PO4": 1.39,
    "SiOH4": 19.15,
    "NO3_NO2": 21.65,
    "NO2": 0.05,
    "NH4": 3.06,
    "NO3": 21.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6978, 60.193] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 110,
    "stn_id": "HB1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "2057",
    "depth": 50.0,
    "PO4": 1.48,
    "SiOH4": 25.42,
    "NO3_NO2": 24.84,
    "NO2": 0.05,
    "NH4": 2.76,
    "NO3": 24.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6978, 60.193] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 110,
    "stn_id": "HB1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "2057",
    "depth": 75.0,
    "PO4": 1.55,
    "SiOH4": 28.03,
    "NO3_NO2": 27.11,
    "NO2": 0.05,
    "NH4": 2.14,
    "NO3": 27.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6978, 60.193] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 110,
    "stn_id": "HB1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "2057",
    "depth": 100.0,
    "PO4": 1.64,
    "SiOH4": 32.39,
    "NO3_NO2": 29.74,
    "NO2": 0.05,
    "NH4": 0.92,
    "NO3": 29.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6978, 60.193] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 110,
    "stn_id": "HB1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "2057",
    "depth": 150.0,
    "PO4": 1.7,
    "SiOH4": 36.18,
    "NO3_NO2": 32.01,
    "NO2": 0.03,
    "NH4": 0.92,
    "NO3": 31.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6978, 60.193] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 110,
    "stn_id": "HB1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "2057",
    "depth": 200.0,
    "PO4": 1.89,
    "SiOH4": 38.97,
    "NO3_NO2": 33.48,
    "NO2": 0.03,
    "NH4": 1.23,
    "NO3": 33.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6978, 60.193] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 110,
    "stn_id": "HB1",
    "water_depth": 270,
    "month_gmt": "5",
    "day_gmt": "24",
    "time_gmt": "2057",
    "depth": 243.6,
    "PO4": 1.95,
    "SiOH4": 41.03,
    "NO3_NO2": 34.55,
    "NO2": 0.03,
    "NH4": 0.92,
    "NO3": 34.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8063, 60.284] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 111,
    "stn_id": "PWS11",
    "water_depth": 257,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0048",
    "depth": 0.0,
    "PO4": 0.44,
    "SiOH4": 6.28,
    "NO3_NO2": 4.38,
    "NO2": 0.03,
    "NH4": 1.84,
    "NO3": 4.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8063, 60.284] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 111,
    "stn_id": "PWS11",
    "water_depth": 257,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0048",
    "depth": 15.0,
    "PO4": 0.7,
    "SiOH4": 9.45,
    "NO3_NO2": 8.65,
    "NO2": 0.03,
    "NH4": 2.76,
    "NO3": 8.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8063, 60.284] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 111,
    "stn_id": "PWS11",
    "water_depth": 257,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0048",
    "depth": 30.0,
    "PO4": 1.04,
    "SiOH4": 16.04,
    "NO3_NO2": 14.96,
    "NO2": 0.05,
    "NH4": 3.37,
    "NO3": 14.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8063, 60.284] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 111,
    "stn_id": "PWS11",
    "water_depth": 257,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0048",
    "depth": 50.0,
    "PO4": 1.39,
    "SiOH4": 25.67,
    "NO3_NO2": 22.23,
    "NO2": 0.05,
    "NH4": 3.37,
    "NO3": 22.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8063, 60.284] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 111,
    "stn_id": "PWS11",
    "water_depth": 257,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0048",
    "depth": 75.0,
    "PO4": 1.57,
    "SiOH4": 31.58,
    "NO3_NO2": 26.69,
    "NO2": 0.05,
    "NH4": 2.76,
    "NO3": 26.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8063, 60.284] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 111,
    "stn_id": "PWS11",
    "water_depth": 257,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0048",
    "depth": 100.0,
    "PO4": 1.59,
    "SiOH4": 33.07,
    "NO3_NO2": 28.4,
    "NO2": 0.05,
    "NH4": 3.06,
    "NO3": 28.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8063, 60.284] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 111,
    "stn_id": "PWS11",
    "water_depth": 257,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0048",
    "depth": 150.0,
    "PO4": 1.56,
    "SiOH4": 30.33,
    "NO3_NO2": 27.55,
    "NO2": 0.05,
    "NH4": 2.14,
    "NO3": 27.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8063, 60.284] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 111,
    "stn_id": "PWS11",
    "water_depth": 257,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0048",
    "depth": 200.0,
    "PO4": 1.48,
    "SiOH4": 27.66,
    "NO3_NO2": 26.74,
    "NO2": 0.03,
    "NH4": 2.45,
    "NO3": 26.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8063, 60.284] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 111,
    "stn_id": "PWS11",
    "water_depth": 257,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0048",
    "depth": 257.9,
    "PO4": 1.62,
    "SiOH4": 30.09,
    "NO3_NO2": 30.53,
    "NO2": 0.03,
    "NH4": 2.14,
    "NO3": 30.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9251, 60.3835] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 112,
    "stn_id": "PWS10",
    "water_depth": 300,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0145",
    "depth": 0.0,
    "PO4": 0.79,
    "SiOH4": 14.48,
    "NO3_NO2": 13.45,
    "NO2": 0.05,
    "NH4": 1.76,
    "NO3": 13.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9251, 60.3835] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 112,
    "stn_id": "PWS10",
    "water_depth": 300,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0145",
    "depth": 25.0,
    "PO4": 1.36,
    "SiOH4": 21.01,
    "NO3_NO2": 19.5,
    "NO2": 0.08,
    "NH4": 2.06,
    "NO3": 19.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9251, 60.3835] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 112,
    "stn_id": "PWS10",
    "water_depth": 300,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0145",
    "depth": 50.0,
    "PO4": 1.57,
    "SiOH4": 24.72,
    "NO3_NO2": 23.33,
    "NO2": 0.1,
    "NH4": 1.18,
    "NO3": 23.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9251, 60.3835] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 112,
    "stn_id": "PWS10",
    "water_depth": 300,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0145",
    "depth": 75.0,
    "PO4": 1.63,
    "SiOH4": 26.11,
    "NO3_NO2": 24.54,
    "NO2": 0.1,
    "NH4": 1.18,
    "NO3": 24.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9251, 60.3835] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 112,
    "stn_id": "PWS10",
    "water_depth": 300,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0145",
    "depth": 100.0,
    "PO4": 1.69,
    "SiOH4": 27.12,
    "NO3_NO2": 25.36,
    "NO2": 0.08,
    "NH4": 0.88,
    "NO3": 25.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9251, 60.3835] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 112,
    "stn_id": "PWS10",
    "water_depth": 300,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0145",
    "depth": 150.0,
    "PO4": 1.72,
    "SiOH4": 27.74,
    "NO3_NO2": 25.88,
    "NO2": 0.05,
    "NH4": 1.18,
    "NO3": 25.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9251, 60.3835] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 112,
    "stn_id": "PWS10",
    "water_depth": 300,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0145",
    "depth": 200.0,
    "PO4": 1.77,
    "SiOH4": 28.3,
    "NO3_NO2": 26.67,
    "NO2": 0.05,
    "NH4": 0.88,
    "NO3": 26.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9251, 60.3835] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 112,
    "stn_id": "PWS10",
    "water_depth": 300,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0145",
    "depth": 250.0,
    "PO4": 1.95,
    "SiOH4": 30.47,
    "NO3_NO2": 29.04,
    "NO2": 0.05,
    "NH4": 1.32,
    "NO3": 28.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9251, 60.3835] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 112,
    "stn_id": "PWS10",
    "water_depth": 300,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0145",
    "depth": 292.0,
    "PO4": 2.07,
    "SiOH4": 32.19,
    "NO3_NO2": 30.58,
    "NO2": 0.08,
    "NH4": 1.32,
    "NO3": 30.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.07, 60.4765] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 113,
    "stn_id": "PWS9",
    "water_depth": 222,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0249",
    "depth": 0.0,
    "PO4": 0.34,
    "SiOH4": 2.72,
    "NO3_NO2": 1.07,
    "NO2": 0.03,
    "NH4": 1.18,
    "NO3": 1.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.07, 60.4765] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 113,
    "stn_id": "PWS9",
    "water_depth": 222,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0249",
    "depth": 20.0,
    "PO4": 1.22,
    "SiOH4": 16.31,
    "NO3_NO2": 15.17,
    "NO2": 0.05,
    "NH4": 3.53,
    "NO3": 15.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.07, 60.4765] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 113,
    "stn_id": "PWS9",
    "water_depth": 222,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0249",
    "depth": 30.0,
    "PO4": 1.43,
    "SiOH4": 21.35,
    "NO3_NO2": 18.9,
    "NO2": 0.05,
    "NH4": 3.53,
    "NO3": 18.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.07, 60.4765] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 113,
    "stn_id": "PWS9",
    "water_depth": 222,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0249",
    "depth": 50.0,
    "PO4": 1.58,
    "SiOH4": 24.68,
    "NO3_NO2": 22.18,
    "NO2": 0.05,
    "NH4": 2.65,
    "NO3": 22.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.07, 60.4765] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 113,
    "stn_id": "PWS9",
    "water_depth": 222,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0249",
    "depth": 75.0,
    "PO4": 1.65,
    "SiOH4": 27.17,
    "NO3_NO2": 25.06,
    "NO2": 0.05,
    "NH4": 1.47,
    "NO3": 25.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.07, 60.4765] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 113,
    "stn_id": "PWS9",
    "water_depth": 222,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0249",
    "depth": 100.0,
    "PO4": 1.72,
    "SiOH4": 28.4,
    "NO3_NO2": 25.44,
    "NO2": 0.05,
    "NH4": 1.76,
    "NO3": 25.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.07, 60.4765] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 113,
    "stn_id": "PWS9",
    "water_depth": 222,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0249",
    "depth": 150.0,
    "PO4": 1.72,
    "SiOH4": 29.57,
    "NO3_NO2": 26.37,
    "NO2": 0.05,
    "NH4": 1.76,
    "NO3": 26.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.07, 60.4765] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 113,
    "stn_id": "PWS9",
    "water_depth": 222,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0249",
    "depth": 217.3,
    "PO4": 1.82,
    "SiOH4": 30.86,
    "NO3_NO2": 27.3,
    "NO2": 0.05,
    "NH4": 2.06,
    "NO3": 27.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1255, 60.5567] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 114,
    "stn_id": "PWS8",
    "water_depth": 228,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0338",
    "depth": 0.0,
    "PO4": 0.26,
    "SiOH4": 0.88,
    "NO3_NO2": 0.13,
    "NO2": 0.03,
    "NH4": 1.18,
    "NO3": 0.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1255, 60.5567] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 114,
    "stn_id": "PWS8",
    "water_depth": 228,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0338",
    "depth": 20.0,
    "PO4": 0.35,
    "SiOH4": 1.99,
    "NO3_NO2": 0.56,
    "NO2": 0.03,
    "NH4": 1.18,
    "NO3": 0.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1255, 60.5567] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 114,
    "stn_id": "PWS8",
    "water_depth": 228,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0338",
    "depth": 30.0,
    "PO4": 1.23,
    "SiOH4": 15.52,
    "NO3_NO2": 14.89,
    "NO2": 0.05,
    "NH4": 3.68,
    "NO3": 14.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1255, 60.5567] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 114,
    "stn_id": "PWS8",
    "water_depth": 228,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0338",
    "depth": 50.0,
    "PO4": 1.46,
    "SiOH4": 22.7,
    "NO3_NO2": 20.96,
    "NO2": 0.05,
    "NH4": 2.65,
    "NO3": 20.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1255, 60.5567] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 114,
    "stn_id": "PWS8",
    "water_depth": 228,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0338",
    "depth": 75.0,
    "PO4": 1.61,
    "SiOH4": 19.38,
    "NO3_NO2": 23.72,
    "NO2": 0.03,
    "NH4": 1.76,
    "NO3": 23.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1255, 60.5567] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 114,
    "stn_id": "PWS8",
    "water_depth": 228,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0338",
    "depth": 100.0,
    "PO4": 1.67,
    "SiOH4": 20.43,
    "NO3_NO2": 25.05,
    "NO2": 0.03,
    "NH4": 1.47,
    "NO3": 25.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1255, 60.5567] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 114,
    "stn_id": "PWS8",
    "water_depth": 228,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0338",
    "depth": 150.0,
    "PO4": 1.7,
    "SiOH4": 21.7,
    "NO3_NO2": 25.73,
    "NO2": 0.03,
    "NH4": 1.76,
    "NO3": 25.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1255, 60.5567] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 114,
    "stn_id": "PWS8",
    "water_depth": 228,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0338",
    "depth": 224.0,
    "PO4": 1.83,
    "SiOH4": 28.44,
    "NO3_NO2": 27.08,
    "NO2": 0.03,
    "NH4": 1.76,
    "NO3": 27.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1492, 60.6289] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 115,
    "stn_id": "PWS7",
    "water_depth": 292,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0422",
    "depth": 0.0,
    "PO4": 0.3,
    "SiOH4": 0.55,
    "NO3_NO2": 0.66,
    "NO2": 0.03,
    "NH4": 2.06,
    "NO3": 0.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1492, 60.6289] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 115,
    "stn_id": "PWS7",
    "water_depth": 292,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0422",
    "depth": 16.0,
    "PO4": 0.57,
    "SiOH4": 2.1,
    "NO3_NO2": 3.25,
    "NO2": 0.03,
    "NH4": 6.18,
    "NO3": 3.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1492, 60.6289] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 115,
    "stn_id": "PWS7",
    "water_depth": 292,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0422",
    "depth": 30.0,
    "PO4": 1.25,
    "SiOH4": 13.14,
    "NO3_NO2": 13.93,
    "NO2": 0.05,
    "NH4": 5.0,
    "NO3": 13.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1492, 60.6289] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 115,
    "stn_id": "PWS7",
    "water_depth": 292,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0422",
    "depth": 50.0,
    "PO4": 1.37,
    "SiOH4": 18.77,
    "NO3_NO2": 18.39,
    "NO2": 0.1,
    "NH4": 2.35,
    "NO3": 18.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1492, 60.6289] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 115,
    "stn_id": "PWS7",
    "water_depth": 292,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0422",
    "depth": 75.0,
    "PO4": 1.53,
    "SiOH4": 22.92,
    "NO3_NO2": 23.34,
    "NO2": 0.05,
    "NH4": 2.06,
    "NO3": 23.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1492, 60.6289] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 115,
    "stn_id": "PWS7",
    "water_depth": 292,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0422",
    "depth": 100.0,
    "PO4": 1.63,
    "SiOH4": 24.96,
    "NO3_NO2": 24.63,
    "NO2": 0.03,
    "NH4": 2.35,
    "NO3": 24.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1492, 60.6289] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 115,
    "stn_id": "PWS7",
    "water_depth": 292,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0422",
    "depth": 150.0,
    "PO4": 1.72,
    "SiOH4": 25.51,
    "NO3_NO2": 25.37,
    "NO2": 0.03,
    "NH4": 1.76,
    "NO3": 25.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1492, 60.6289] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 115,
    "stn_id": "PWS7",
    "water_depth": 292,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0422",
    "depth": 200.0,
    "PO4": 1.73,
    "SiOH4": 25.4,
    "NO3_NO2": 26.02,
    "NO2": 0.03,
    "NH4": 1.32,
    "NO3": 25.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1492, 60.6289] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 115,
    "stn_id": "PWS7",
    "water_depth": 292,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0422",
    "depth": 288.2,
    "PO4": 1.91,
    "SiOH4": 27.61,
    "NO3_NO2": 28.3,
    "NO2": 0.03,
    "NH4": 1.32,
    "NO3": 28.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1444, 60.7217] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 116,
    "stn_id": "PWS6",
    "water_depth": 390,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0529",
    "depth": 0.0,
    "PO4": 0.11,
    "SiOH4": 0.42,
    "NO3_NO2": 0.0,
    "NO2": 0.03,
    "NH4": 1.47,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1444, 60.7217] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 116,
    "stn_id": "PWS6",
    "water_depth": 390,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0529",
    "depth": 10.0,
    "PO4": 0.24,
    "SiOH4": 1.5,
    "NO3_NO2": 0.2,
    "NO2": 0.03,
    "NH4": 2.06,
    "NO3": 0.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1444, 60.7217] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 116,
    "stn_id": "PWS6",
    "water_depth": 390,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0529",
    "depth": 20.0,
    "PO4": 0.29,
    "SiOH4": 2.02,
    "NO3_NO2": 0.65,
    "NO2": 0.05,
    "NH4": 2.35,
    "NO3": 0.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1444, 60.7217] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 116,
    "stn_id": "PWS6",
    "water_depth": 390,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0529",
    "depth": 50.0,
    "PO4": 1.27,
    "SiOH4": 18.95,
    "NO3_NO2": 19.28,
    "NO2": 0.13,
    "NH4": 4.41,
    "NO3": 19.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1444, 60.7217] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 116,
    "stn_id": "PWS6",
    "water_depth": 390,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0529",
    "depth": 75.0,
    "PO4": 1.51,
    "SiOH4": 24.72,
    "NO3_NO2": 23.72,
    "NO2": 0.13,
    "NH4": 3.24,
    "NO3": 23.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1444, 60.7217] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 116,
    "stn_id": "PWS6",
    "water_depth": 390,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0529",
    "depth": 100.0,
    "PO4": 1.57,
    "SiOH4": 25.75,
    "NO3_NO2": 24.57,
    "NO2": 0.08,
    "NH4": 2.65,
    "NO3": 24.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1444, 60.7217] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 116,
    "stn_id": "PWS6",
    "water_depth": 390,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0529",
    "depth": 150.0,
    "PO4": 1.66,
    "SiOH4": 26.39,
    "NO3_NO2": 25.6,
    "NO2": 0.08,
    "NH4": 2.65,
    "NO3": 25.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1444, 60.7217] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 116,
    "stn_id": "PWS6",
    "water_depth": 390,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0529",
    "depth": 200.0,
    "PO4": 1.66,
    "SiOH4": 25.37,
    "NO3_NO2": 25.46,
    "NO2": 0.08,
    "NH4": 2.94,
    "NO3": 25.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1444, 60.7217] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 116,
    "stn_id": "PWS6",
    "water_depth": 390,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0529",
    "depth": 300.0,
    "PO4": 1.74,
    "SiOH4": 26.17,
    "NO3_NO2": 27.3,
    "NO2": 0.05,
    "NH4": 3.53,
    "NO3": 27.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1444, 60.7217] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 116,
    "stn_id": "PWS6",
    "water_depth": 390,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "0529",
    "depth": 387.0,
    "PO4": 2.32,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.05,
    "NH4": 4.12,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.3975, 60.8237] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 117,
    "stn_id": "PWS5",
    "water_depth": 476,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1542",
    "depth": 0.0,
    "PO4": 0.31,
    "SiOH4": 2.33,
    "NO3_NO2": 0.85,
    "NO2": 0.02,
    "NH4": 0.57,
    "NO3": 0.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.3975, 60.8237] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 117,
    "stn_id": "PWS5",
    "water_depth": 476,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1542",
    "depth": 10.0,
    "PO4": 0.72,
    "SiOH4": 7.27,
    "NO3_NO2": 5.51,
    "NO2": 0.05,
    "NH4": 1.24,
    "NO3": 5.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.3975, 60.8237] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 117,
    "stn_id": "PWS5",
    "water_depth": 476,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1542",
    "depth": 20.0,
    "PO4": 1.07,
    "SiOH4": 12.32,
    "NO3_NO2": 10.22,
    "NO2": 0.02,
    "NH4": 1.98,
    "NO3": 10.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.3975, 60.8237] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 117,
    "stn_id": "PWS5",
    "water_depth": 476,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1542",
    "depth": 50.0,
    "PO4": 1.34,
    "SiOH4": 21.42,
    "NO3_NO2": 16.64,
    "NO2": 0.05,
    "NH4": 0.99,
    "NO3": 16.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.3975, 60.8237] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 117,
    "stn_id": "PWS5",
    "water_depth": 476,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1542",
    "depth": 75.0,
    "PO4": 1.44,
    "SiOH4": 25.03,
    "NO3_NO2": 19.14,
    "NO2": 0.02,
    "NH4": 0.35,
    "NO3": 19.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.3975, 60.8237] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 117,
    "stn_id": "PWS5",
    "water_depth": 476,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1542",
    "depth": 100.0,
    "PO4": 1.5,
    "SiOH4": 28.02,
    "NO3_NO2": 20.27,
    "NO2": 0.02,
    "NH4": 0.4,
    "NO3": 20.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.3975, 60.8237] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 117,
    "stn_id": "PWS5",
    "water_depth": 476,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1542",
    "depth": 150.0,
    "PO4": 1.59,
    "SiOH4": 30.3,
    "NO3_NO2": 21.46,
    "NO2": 0.02,
    "NH4": 0.45,
    "NO3": 21.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.3975, 60.8237] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 117,
    "stn_id": "PWS5",
    "water_depth": 476,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1542",
    "depth": 200.0,
    "PO4": 1.58,
    "SiOH4": 28.94,
    "NO3_NO2": 21.23,
    "NO2": 0.02,
    "NH4": 0.54,
    "NO3": 21.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.3975, 60.8237] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 117,
    "stn_id": "PWS5",
    "water_depth": 476,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1542",
    "depth": 300.0,
    "PO4": 1.79,
    "SiOH4": 34.17,
    "NO3_NO2": 24.41,
    "NO2": 0.02,
    "NH4": 0.5,
    "NO3": 24.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.3975, 60.8237] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 117,
    "stn_id": "PWS5",
    "water_depth": 476,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1542",
    "depth": 471.0,
    "PO4": 2.23,
    "SiOH4": 49.39,
    "NO3_NO2": 30.32,
    "NO2": 0.02,
    "NH4": 0.55,
    "NO3": 30.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6584, 60.7368] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 118,
    "stn_id": "PWS4",
    "water_depth": 655,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1706",
    "depth": 0.0,
    "PO4": 0.36,
    "SiOH4": 0.86,
    "NO3_NO2": 0.28,
    "NO2": 0.02,
    "NH4": 0.72,
    "NO3": 0.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6584, 60.7368] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 118,
    "stn_id": "PWS4",
    "water_depth": 655,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1706",
    "depth": 10.0,
    "PO4": 0.45,
    "SiOH4": 4.04,
    "NO3_NO2": 2.44,
    "NO2": 0.02,
    "NH4": 0.89,
    "NO3": 2.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6584, 60.7368] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 118,
    "stn_id": "PWS4",
    "water_depth": 655,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1706",
    "depth": 20.0,
    "PO4": 0.8,
    "SiOH4": 8.73,
    "NO3_NO2": 7.1,
    "NO2": 0.02,
    "NH4": 1.61,
    "NO3": 7.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6584, 60.7368] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 118,
    "stn_id": "PWS4",
    "water_depth": 655,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1706",
    "depth": 30.0,
    "PO4": 1.15,
    "SiOH4": 16.33,
    "NO3_NO2": 12.15,
    "NO2": 0.02,
    "NH4": 2.68,
    "NO3": 12.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6584, 60.7368] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 118,
    "stn_id": "PWS4",
    "water_depth": 655,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1706",
    "depth": 50.0,
    "PO4": 1.26,
    "SiOH4": 22.83,
    "NO3_NO2": 17.21,
    "NO2": 0.05,
    "NH4": 1.13,
    "NO3": 17.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6584, 60.7368] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 118,
    "stn_id": "PWS4",
    "water_depth": 655,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1706",
    "depth": 75.0,
    "PO4": 1.3,
    "SiOH4": 27.76,
    "NO3_NO2": 20.05,
    "NO2": 0.02,
    "NH4": 0.49,
    "NO3": 20.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6584, 60.7368] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 118,
    "stn_id": "PWS4",
    "water_depth": 655,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1706",
    "depth": 100.0,
    "PO4": 1.34,
    "SiOH4": 33.54,
    "NO3_NO2": 20.84,
    "NO2": 0.02,
    "NH4": 0.43,
    "NO3": 20.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6584, 60.7368] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 118,
    "stn_id": "PWS4",
    "water_depth": 655,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1706",
    "depth": 250.0,
    "PO4": 1.42,
    "SiOH4": 34.12,
    "NO3_NO2": 22.43,
    "NO2": 0.02,
    "NH4": 0.48,
    "NO3": 22.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6584, 60.7368] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 118,
    "stn_id": "PWS4",
    "water_depth": 655,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1706",
    "depth": 500.0,
    "PO4": 2.39,
    "SiOH4": 47.4,
    "NO3_NO2": 30.95,
    "NO2": 0.02,
    "NH4": 0.5,
    "NO3": 30.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6584, 60.7368] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 118,
    "stn_id": "PWS4",
    "water_depth": 655,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1706",
    "depth": 646.0,
    "PO4": 2.43,
    "SiOH4": 49.97,
    "NO3_NO2": 31.57,
    "NO2": 0.02,
    "NH4": 0.76,
    "NO3": 31.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6759, 60.6546] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 119,
    "stn_id": "PWS3",
    "water_depth": 753,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1810",
    "depth": 0.0,
    "PO4": 0.45,
    "SiOH4": 1.97,
    "NO3_NO2": 0.7,
    "NO2": 0.0,
    "NH4": 0.51,
    "NO3": 0.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6759, 60.6546] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 119,
    "stn_id": "PWS3",
    "water_depth": 753,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1810",
    "depth": 10.0,
    "PO4": 0.63,
    "SiOH4": 5.34,
    "NO3_NO2": 3.69,
    "NO2": 0.02,
    "NH4": 1.02,
    "NO3": 3.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6759, 60.6546] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 119,
    "stn_id": "PWS3",
    "water_depth": 753,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1810",
    "depth": 20.0,
    "PO4": 1.02,
    "SiOH4": 10.52,
    "NO3_NO2": 8.63,
    "NO2": 0.06,
    "NH4": 2.21,
    "NO3": 8.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6759, 60.6546] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 119,
    "stn_id": "PWS3",
    "water_depth": 753,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1810",
    "depth": 30.0,
    "PO4": 1.36,
    "SiOH4": 18.67,
    "NO3_NO2": 14.61,
    "NO2": 0.11,
    "NH4": 2.66,
    "NO3": 14.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6759, 60.6546] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 119,
    "stn_id": "PWS3",
    "water_depth": 753,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1810",
    "depth": 50.0,
    "PO4": 1.63,
    "SiOH4": 24.7,
    "NO3_NO2": 19.56,
    "NO2": 0.22,
    "NH4": 1.67,
    "NO3": 19.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6759, 60.6546] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 119,
    "stn_id": "PWS3",
    "water_depth": 753,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1810",
    "depth": 75.0,
    "PO4": 1.63,
    "SiOH4": 28.32,
    "NO3_NO2": 22.94,
    "NO2": 0.05,
    "NH4": 0.74,
    "NO3": 22.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6759, 60.6546] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 119,
    "stn_id": "PWS3",
    "water_depth": 753,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1810",
    "depth": 100.0,
    "PO4": 1.63,
    "SiOH4": 30.54,
    "NO3_NO2": 23.84,
    "NO2": 0.03,
    "NH4": 0.8,
    "NO3": 23.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6759, 60.6546] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 119,
    "stn_id": "PWS3",
    "water_depth": 753,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1810",
    "depth": 250.0,
    "PO4": 1.86,
    "SiOH4": 37.42,
    "NO3_NO2": 28.26,
    "NO2": 0.0,
    "NH4": 0.82,
    "NO3": 28.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6759, 60.6546] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 119,
    "stn_id": "PWS3",
    "water_depth": 753,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1810",
    "depth": 500.0,
    "PO4": 2.27,
    "SiOH4": 49.43,
    "NO3_NO2": 35.55,
    "NO2": 0.0,
    "NH4": 0.75,
    "NO3": 35.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6759, 60.6546] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 119,
    "stn_id": "PWS3",
    "water_depth": 753,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1810",
    "depth": 680.0,
    "PO4": 2.45,
    "SiOH4": 53.05,
    "NO3_NO2": 36.52,
    "NO2": 0.0,
    "NH4": 0.74,
    "NO3": 36.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8012, 60.5343] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 120,
    "stn_id": "PWS2",
    "water_depth": 742,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1934",
    "depth": 0.0,
    "PO4": 0.36,
    "SiOH4": 8.22,
    "NO3_NO2": 3.4,
    "NO2": 0.02,
    "NH4": 1.07,
    "NO3": 3.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8012, 60.5343] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 120,
    "stn_id": "PWS2",
    "water_depth": 742,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1934",
    "depth": 15.0,
    "PO4": 0.91,
    "SiOH4": 16.92,
    "NO3_NO2": 11.6,
    "NO2": 0.11,
    "NH4": 2.6,
    "NO3": 11.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8012, 60.5343] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 120,
    "stn_id": "PWS2",
    "water_depth": 742,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1934",
    "depth": 50.0,
    "PO4": 1.18,
    "SiOH4": 29.66,
    "NO3_NO2": 21.3,
    "NO2": 0.11,
    "NH4": 0.6,
    "NO3": 21.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8012, 60.5343] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 120,
    "stn_id": "PWS2",
    "water_depth": 742,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1934",
    "depth": 75.0,
    "PO4": 1.54,
    "SiOH4": 32.85,
    "NO3_NO2": 22.92,
    "NO2": 0.04,
    "NH4": 0.65,
    "NO3": 22.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8012, 60.5343] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 120,
    "stn_id": "PWS2",
    "water_depth": 742,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1934",
    "depth": 100.0,
    "PO4": 1.59,
    "SiOH4": 34.47,
    "NO3_NO2": 23.89,
    "NO2": 0.03,
    "NH4": 0.64,
    "NO3": 23.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8012, 60.5343] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 120,
    "stn_id": "PWS2",
    "water_depth": 742,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1934",
    "depth": 250.0,
    "PO4": 1.77,
    "SiOH4": 38.87,
    "NO3_NO2": 27.27,
    "NO2": 0.03,
    "NH4": 0.7,
    "NO3": 27.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8012, 60.5343] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 120,
    "stn_id": "PWS2",
    "water_depth": 742,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1934",
    "depth": 500.0,
    "PO4": 2.27,
    "SiOH4": 53.67,
    "NO3_NO2": 35.73,
    "NO2": 0.03,
    "NH4": 0.97,
    "NO3": 35.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8012, 60.5343] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 120,
    "stn_id": "PWS2",
    "water_depth": 742,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "1934",
    "depth": 726.0,
    "PO4": 2.36,
    "SiOH4": 53.65,
    "NO3_NO2": 36.77,
    "NO2": 0.05,
    "NH4": 0.77,
    "NO3": 36.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9355, 60.3792] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 121,
    "stn_id": "PWS1",
    "water_depth": 333,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "2108",
    "depth": 0.0,
    "PO4": 0.09,
    "SiOH4": 0.04,
    "NO3_NO2": 0.25,
    "NO2": 0.02,
    "NH4": 0.59,
    "NO3": 0.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9355, 60.3792] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 121,
    "stn_id": "PWS1",
    "water_depth": 333,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "2108",
    "depth": 10.0,
    "PO4": 0.58,
    "SiOH4": 4.99,
    "NO3_NO2": 3.96,
    "NO2": 0.12,
    "NH4": 0.86,
    "NO3": 3.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9355, 60.3792] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 121,
    "stn_id": "PWS1",
    "water_depth": 333,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "2108",
    "depth": 22.0,
    "PO4": 0.97,
    "SiOH4": 11.75,
    "NO3_NO2": 10.66,
    "NO2": 0.12,
    "NH4": 1.73,
    "NO3": 10.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9355, 60.3792] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 121,
    "stn_id": "PWS1",
    "water_depth": 333,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "2108",
    "depth": 30.0,
    "PO4": 1.18,
    "SiOH4": 16.33,
    "NO3_NO2": 15.22,
    "NO2": 0.12,
    "NH4": 2.12,
    "NO3": 15.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9355, 60.3792] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 121,
    "stn_id": "PWS1",
    "water_depth": 333,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "2108",
    "depth": 50.0,
    "PO4": 1.49,
    "SiOH4": 21.76,
    "NO3_NO2": 19.91,
    "NO2": 0.02,
    "NH4": 1.34,
    "NO3": 19.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9355, 60.3792] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 121,
    "stn_id": "PWS1",
    "water_depth": 333,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "2108",
    "depth": 75.0,
    "PO4": 1.59,
    "SiOH4": 25.44,
    "NO3_NO2": 22.77,
    "NO2": 0.02,
    "NH4": 0.57,
    "NO3": 22.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9355, 60.3792] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 121,
    "stn_id": "PWS1",
    "water_depth": 333,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "2108",
    "depth": 100.0,
    "PO4": 1.63,
    "SiOH4": 27.24,
    "NO3_NO2": 23.74,
    "NO2": 0.02,
    "NH4": 0.74,
    "NO3": 23.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9355, 60.3792] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 121,
    "stn_id": "PWS1",
    "water_depth": 333,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "2108",
    "depth": 150.0,
    "PO4": 1.72,
    "SiOH4": 29.05,
    "NO3_NO2": 25.36,
    "NO2": 0.02,
    "NH4": 0.79,
    "NO3": 25.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9355, 60.3792] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 121,
    "stn_id": "PWS1",
    "water_depth": 333,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "2108",
    "depth": 200.0,
    "PO4": 1.81,
    "SiOH4": 30.91,
    "NO3_NO2": 26.92,
    "NO2": 0.02,
    "NH4": 0.56,
    "NO3": 26.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9355, 60.3792] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 121,
    "stn_id": "PWS1",
    "water_depth": 333,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "2108",
    "depth": 347.0,
    "PO4": 2.27,
    "SiOH4": 35.01,
    "NO3_NO2": 30.63,
    "NO2": 0.02,
    "NH4": 1.04,
    "NO3": 30.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9851, 60.2776] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 122,
    "stn_id": "KIP2",
    "water_depth": 600,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "2207",
    "depth": 0.0,
    "PO4": 0.23,
    "SiOH4": 0.53,
    "NO3_NO2": 0.25,
    "NO2": 0.02,
    "NH4": 0.48,
    "NO3": 0.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9851, 60.2776] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 122,
    "stn_id": "KIP2",
    "water_depth": 600,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "2207",
    "depth": 10.0,
    "PO4": 0.5,
    "SiOH4": 3.55,
    "NO3_NO2": 1.23,
    "NO2": 0.02,
    "NH4": 0.74,
    "NO3": 1.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9851, 60.2776] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 122,
    "stn_id": "KIP2",
    "water_depth": 600,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "2207",
    "depth": 20.0,
    "PO4": 0.84,
    "SiOH4": 5.65,
    "NO3_NO2": 2.46,
    "NO2": 0.02,
    "NH4": 1.04,
    "NO3": 2.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9851, 60.2776] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 122,
    "stn_id": "KIP2",
    "water_depth": 600,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "2207",
    "depth": 30.0,
    "PO4": 1.54,
    "SiOH4": 17.43,
    "NO3_NO2": 15.75,
    "NO2": 0.02,
    "NH4": 1.86,
    "NO3": 15.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9851, 60.2776] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 122,
    "stn_id": "KIP2",
    "water_depth": 600,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "2207",
    "depth": 50.0,
    "PO4": 1.72,
    "SiOH4": 21.71,
    "NO3_NO2": 19.91,
    "NO2": 0.12,
    "NH4": 2.03,
    "NO3": 19.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9851, 60.2776] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 122,
    "stn_id": "KIP2",
    "water_depth": 600,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "2207",
    "depth": 75.0,
    "PO4": 1.72,
    "SiOH4": 24.48,
    "NO3_NO2": 22.71,
    "NO2": 0.09,
    "NH4": 1.37,
    "NO3": 22.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9851, 60.2776] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 122,
    "stn_id": "KIP2",
    "water_depth": 600,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "2207",
    "depth": 100.0,
    "PO4": 1.72,
    "SiOH4": 26.05,
    "NO3_NO2": 23.48,
    "NO2": 0.02,
    "NH4": 1.21,
    "NO3": 23.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9851, 60.2776] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 122,
    "stn_id": "KIP2",
    "water_depth": 600,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "2207",
    "depth": 250.0,
    "PO4": 1.99,
    "SiOH4": 31.11,
    "NO3_NO2": 29.15,
    "NO2": 0.02,
    "NH4": 1.17,
    "NO3": 29.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9851, 60.2776] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 122,
    "stn_id": "KIP2",
    "water_depth": 600,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "2207",
    "depth": 500.0,
    "PO4": 2.08,
    "SiOH4": 36.61,
    "NO3_NO2": 30.58,
    "NO2": 0.02,
    "NH4": 1.0,
    "NO3": 30.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9851, 60.2776] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 122,
    "stn_id": "KIP2",
    "water_depth": 600,
    "month_gmt": "5",
    "day_gmt": "25",
    "time_gmt": "2207",
    "depth": 583.0,
    "PO4": 2.08,
    "SiOH4": 36.84,
    "NO3_NO2": 30.57,
    "NO2": 0.02,
    "NH4": 1.3,
    "NO3": 30.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8827, 59.744] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 123,
    "stn_id": "CC1",
    "water_depth": 50,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0233",
    "depth": 0.0,
    "PO4": 0.69,
    "SiOH4": 11.33,
    "NO3_NO2": 8.11,
    "NO2": 0.02,
    "NH4": 2.14,
    "NO3": 8.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8827, 59.744] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 123,
    "stn_id": "CC1",
    "water_depth": 50,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0233",
    "depth": 10.0,
    "PO4": 0.98,
    "SiOH4": 14.98,
    "NO3_NO2": 11.73,
    "NO2": 0.02,
    "NH4": 3.37,
    "NO3": 11.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8827, 59.744] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 123,
    "stn_id": "CC1",
    "water_depth": 50,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0233",
    "depth": 20.0,
    "PO4": 1.18,
    "SiOH4": 18.32,
    "NO3_NO2": 13.33,
    "NO2": 0.02,
    "NH4": 4.29,
    "NO3": 13.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8827, 59.744] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 123,
    "stn_id": "CC1",
    "water_depth": 50,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0233",
    "depth": 23.0,
    "PO4": 1.24,
    "SiOH4": 18.9,
    "NO3_NO2": 13.42,
    "NO2": 0.02,
    "NH4": 3.98,
    "NO3": 13.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.883, 59.7096] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 124,
    "stn_id": "CC2",
    "water_depth": 67,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0253",
    "depth": 0.0,
    "PO4": 0.76,
    "SiOH4": 11.5,
    "NO3_NO2": 8.15,
    "NO2": 0.02,
    "NH4": 2.45,
    "NO3": 8.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.883, 59.7096] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 124,
    "stn_id": "CC2",
    "water_depth": 67,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0253",
    "depth": 10.0,
    "PO4": 0.95,
    "SiOH4": 14.08,
    "NO3_NO2": 10.55,
    "NO2": 0.02,
    "NH4": 3.06,
    "NO3": 10.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.883, 59.7096] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 124,
    "stn_id": "CC2",
    "water_depth": 67,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0253",
    "depth": 20.0,
    "PO4": 1.2,
    "SiOH4": 18.8,
    "NO3_NO2": 13.56,
    "NO2": 0.02,
    "NH4": 3.37,
    "NO3": 13.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.883, 59.7096] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 124,
    "stn_id": "CC2",
    "water_depth": 67,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0253",
    "depth": 30.0,
    "PO4": 1.29,
    "SiOH4": 21.69,
    "NO3_NO2": 15.04,
    "NO2": 0.02,
    "NH4": 3.68,
    "NO3": 15.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.883, 59.7096] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 124,
    "stn_id": "CC2",
    "water_depth": 67,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0253",
    "depth": 40.0,
    "PO4": 1.36,
    "SiOH4": 22.91,
    "NO3_NO2": 15.55,
    "NO2": 0.02,
    "NH4": 3.98,
    "NO3": 15.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.883, 59.7096] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 124,
    "stn_id": "CC2",
    "water_depth": 67,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0253",
    "depth": 50.0,
    "PO4": 1.42,
    "SiOH4": 24.18,
    "NO3_NO2": 16.12,
    "NO2": 0.02,
    "NH4": 3.98,
    "NO3": 16.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.883, 59.7096] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 124,
    "stn_id": "CC2",
    "water_depth": 67,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0253",
    "depth": 67.0,
    "PO4": 1.45,
    "SiOH4": 24.83,
    "NO3_NO2": 16.39,
    "NO2": 0.02,
    "NH4": 3.98,
    "NO3": 16.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8826, 59.666] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 125,
    "stn_id": "CC3",
    "water_depth": 71,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0317",
    "depth": 0.0,
    "PO4": 0.9,
    "SiOH4": 14.43,
    "NO3_NO2": 10.33,
    "NO2": 0.02,
    "NH4": 2.62,
    "NO3": 10.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8826, 59.666] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 125,
    "stn_id": "CC3",
    "water_depth": 71,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0317",
    "depth": 10.0,
    "PO4": 1.16,
    "SiOH4": 18.15,
    "NO3_NO2": 13.3,
    "NO2": 0.02,
    "NH4": 3.84,
    "NO3": 13.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8826, 59.666] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 125,
    "stn_id": "CC3",
    "water_depth": 71,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0317",
    "depth": 20.0,
    "PO4": 1.17,
    "SiOH4": 18.81,
    "NO3_NO2": 13.23,
    "NO2": 0.02,
    "NH4": 3.53,
    "NO3": 13.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8826, 59.666] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 125,
    "stn_id": "CC3",
    "water_depth": 71,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0317",
    "depth": 30.0,
    "PO4": 1.31,
    "SiOH4": 22.46,
    "NO3_NO2": 15.47,
    "NO2": 0.02,
    "NH4": 3.19,
    "NO3": 15.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8826, 59.666] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 125,
    "stn_id": "CC3",
    "water_depth": 71,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0317",
    "depth": 40.0,
    "PO4": 1.41,
    "SiOH4": 25.37,
    "NO3_NO2": 16.74,
    "NO2": 0.02,
    "NH4": 3.46,
    "NO3": 16.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8826, 59.666] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 125,
    "stn_id": "CC3",
    "water_depth": 71,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0317",
    "depth": 50.0,
    "PO4": 1.45,
    "SiOH4": 26.21,
    "NO3_NO2": 16.92,
    "NO2": 0.02,
    "NH4": 3.42,
    "NO3": 16.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8826, 59.666] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 125,
    "stn_id": "CC3",
    "water_depth": 71,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0317",
    "depth": 69.0,
    "PO4": 1.47,
    "SiOH4": 26.75,
    "NO3_NO2": 17.34,
    "NO2": 0.02,
    "NH4": 3.08,
    "NO3": 17.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8838, 59.5997] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 126,
    "stn_id": "CC4",
    "water_depth": 114,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0349",
    "depth": 0.0,
    "PO4": 0.86,
    "SiOH4": 13.54,
    "NO3_NO2": 9.48,
    "NO2": 0.02,
    "NH4": 1.82,
    "NO3": 9.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8838, 59.5997] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 126,
    "stn_id": "CC4",
    "water_depth": 114,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0349",
    "depth": 10.0,
    "PO4": 0.98,
    "SiOH4": 15.26,
    "NO3_NO2": 10.88,
    "NO2": 0.05,
    "NH4": 2.09,
    "NO3": 10.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8838, 59.5997] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 126,
    "stn_id": "CC4",
    "water_depth": 114,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0349",
    "depth": 20.0,
    "PO4": 1.2,
    "SiOH4": 18.85,
    "NO3_NO2": 13.3,
    "NO2": 0.05,
    "NH4": 2.36,
    "NO3": 13.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8838, 59.5997] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 126,
    "stn_id": "CC4",
    "water_depth": 114,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0349",
    "depth": 30.0,
    "PO4": 1.36,
    "SiOH4": 23.38,
    "NO3_NO2": 16.34,
    "NO2": 0.05,
    "NH4": 2.63,
    "NO3": 16.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8838, 59.5997] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 126,
    "stn_id": "CC4",
    "water_depth": 114,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0349",
    "depth": 40.0,
    "PO4": 1.44,
    "SiOH4": 25.29,
    "NO3_NO2": 17.48,
    "NO2": 0.05,
    "NH4": 2.9,
    "NO3": 17.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8838, 59.5997] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 126,
    "stn_id": "CC4",
    "water_depth": 114,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0349",
    "depth": 50.0,
    "PO4": 1.47,
    "SiOH4": 26.51,
    "NO3_NO2": 18.15,
    "NO2": 0.02,
    "NH4": 2.56,
    "NO3": 18.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8838, 59.5997] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 126,
    "stn_id": "CC4",
    "water_depth": 114,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0349",
    "depth": 75.0,
    "PO4": 1.53,
    "SiOH4": 27.54,
    "NO3_NO2": 19.23,
    "NO2": 0.02,
    "NH4": 2.83,
    "NO3": 19.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8838, 59.5997] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 126,
    "stn_id": "CC4",
    "water_depth": 114,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0349",
    "depth": 113.0,
    "PO4": 1.49,
    "SiOH4": 25.76,
    "NO3_NO2": 17.89,
    "NO2": 0.02,
    "NH4": 2.79,
    "NO3": 17.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8832, 59.4831] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 127,
    "stn_id": "CC5",
    "water_depth": 116,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0439",
    "depth": 0.0,
    "PO4": 0.88,
    "SiOH4": 18.01,
    "NO3_NO2": 8.74,
    "NO2": 0.02,
    "NH4": 1.9,
    "NO3": 8.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8832, 59.4831] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 127,
    "stn_id": "CC5",
    "water_depth": 116,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0439",
    "depth": 10.0,
    "PO4": 1.07,
    "SiOH4": 20.49,
    "NO3_NO2": 11.6,
    "NO2": 0.02,
    "NH4": 2.7,
    "NO3": 11.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8832, 59.4831] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 127,
    "stn_id": "CC5",
    "water_depth": 116,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0439",
    "depth": 20.0,
    "PO4": 1.41,
    "SiOH4": 25.28,
    "NO3_NO2": 16.76,
    "NO2": 0.02,
    "NH4": 2.73,
    "NO3": 16.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8832, 59.4831] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 127,
    "stn_id": "CC5",
    "water_depth": 116,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0439",
    "depth": 30.0,
    "PO4": 1.48,
    "SiOH4": 25.89,
    "NO3_NO2": 17.67,
    "NO2": 0.02,
    "NH4": 2.91,
    "NO3": 17.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8832, 59.4831] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 127,
    "stn_id": "CC5",
    "water_depth": 116,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0439",
    "depth": 40.0,
    "PO4": 1.47,
    "SiOH4": 25.18,
    "NO3_NO2": 17.17,
    "NO2": 0.02,
    "NH4": 2.94,
    "NO3": 17.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8832, 59.4831] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 127,
    "stn_id": "CC5",
    "water_depth": 116,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0439",
    "depth": 50.0,
    "PO4": 1.45,
    "SiOH4": 25.23,
    "NO3_NO2": 17.11,
    "NO2": 0.02,
    "NH4": 2.82,
    "NO3": 17.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8832, 59.4831] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 127,
    "stn_id": "CC5",
    "water_depth": 116,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0439",
    "depth": 75.0,
    "PO4": 1.51,
    "SiOH4": 26.46,
    "NO3_NO2": 18.56,
    "NO2": 0.02,
    "NH4": 2.7,
    "NO3": 18.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8832, 59.4831] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 127,
    "stn_id": "CC5",
    "water_depth": 116,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0439",
    "depth": 115.0,
    "PO4": 1.76,
    "SiOH4": 32.0,
    "NO3_NO2": 24.82,
    "NO2": 0.02,
    "NH4": 2.27,
    "NO3": 24.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8828, 59.3654] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 128,
    "stn_id": "CC6",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0529",
    "depth": 0.0,
    "PO4": 0.83,
    "SiOH4": 19.59,
    "NO3_NO2": 10.34,
    "NO2": 0.02,
    "NH4": 1.72,
    "NO3": 10.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8828, 59.3654] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 128,
    "stn_id": "CC6",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0529",
    "depth": 10.0,
    "PO4": 1.01,
    "SiOH4": 20.19,
    "NO3_NO2": 10.52,
    "NO2": 0.02,
    "NH4": 2.05,
    "NO3": 10.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8828, 59.3654] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 128,
    "stn_id": "CC6",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0529",
    "depth": 20.0,
    "PO4": 1.2,
    "SiOH4": 22.6,
    "NO3_NO2": 13.56,
    "NO2": 0.02,
    "NH4": 2.7,
    "NO3": 13.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8828, 59.3654] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 128,
    "stn_id": "CC6",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0529",
    "depth": 30.0,
    "PO4": 1.44,
    "SiOH4": 25.63,
    "NO3_NO2": 17.51,
    "NO2": 0.02,
    "NH4": 2.88,
    "NO3": 17.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8828, 59.3654] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 128,
    "stn_id": "CC6",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0529",
    "depth": 40.0,
    "PO4": 1.47,
    "SiOH4": 26.3,
    "NO3_NO2": 18.24,
    "NO2": 0.02,
    "NH4": 3.06,
    "NO3": 18.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8828, 59.3654] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 128,
    "stn_id": "CC6",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0529",
    "depth": 50.0,
    "PO4": 1.51,
    "SiOH4": 26.65,
    "NO3_NO2": 18.49,
    "NO2": 0.02,
    "NH4": 2.94,
    "NO3": 18.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8828, 59.3654] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 128,
    "stn_id": "CC6",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0529",
    "depth": 75.0,
    "PO4": 1.51,
    "SiOH4": 25.43,
    "NO3_NO2": 18.61,
    "NO2": 0.02,
    "NH4": 3.13,
    "NO3": 18.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8828, 59.3654] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 128,
    "stn_id": "CC6",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0529",
    "depth": 100.0,
    "PO4": 1.52,
    "SiOH4": 25.22,
    "NO3_NO2": 19.88,
    "NO2": 0.02,
    "NH4": 2.7,
    "NO3": 19.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8828, 59.3654] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 128,
    "stn_id": "CC6",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0529",
    "depth": 177.3,
    "PO4": 2.28,
    "SiOH4": 49.12,
    "NO3_NO2": 27.97,
    "NO2": 0.02,
    "NH4": 2.57,
    "NO3": 27.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.883, 59.2495] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 129,
    "stn_id": "CC7",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0621",
    "depth": 0.0,
    "PO4": 0.33,
    "SiOH4": 0.93,
    "NO3_NO2": 0.11,
    "NO2": 0.02,
    "NH4": 2.38,
    "NO3": 0.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.883, 59.2495] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 129,
    "stn_id": "CC7",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0621",
    "depth": 10.0,
    "PO4": 0.32,
    "SiOH4": 0.67,
    "NO3_NO2": 0.11,
    "NO2": 0.02,
    "NH4": 2.34,
    "NO3": 0.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.883, 59.2495] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 129,
    "stn_id": "CC7",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0621",
    "depth": 20.0,
    "PO4": 0.34,
    "SiOH4": 0.95,
    "NO3_NO2": 0.83,
    "NO2": 0.05,
    "NH4": 2.61,
    "NO3": 0.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.883, 59.2495] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 129,
    "stn_id": "CC7",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0621",
    "depth": 30.0,
    "PO4": 0.87,
    "SiOH4": 6.97,
    "NO3_NO2": 7.33,
    "NO2": 0.05,
    "NH4": 3.5,
    "NO3": 7.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.883, 59.2495] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 129,
    "stn_id": "CC7",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0621",
    "depth": 40.0,
    "PO4": 1.27,
    "SiOH4": 15.96,
    "NO3_NO2": 13.41,
    "NO2": 0.07,
    "NH4": 4.08,
    "NO3": 13.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.883, 59.2495] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 129,
    "stn_id": "CC7",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0621",
    "depth": 50.0,
    "PO4": 1.47,
    "SiOH4": 21.45,
    "NO3_NO2": 16.69,
    "NO2": 0.07,
    "NH4": 3.73,
    "NO3": 16.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.883, 59.2495] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 129,
    "stn_id": "CC7",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0621",
    "depth": 75.0,
    "PO4": 1.53,
    "SiOH4": 22.7,
    "NO3_NO2": 18.2,
    "NO2": 0.05,
    "NH4": 3.39,
    "NO3": 18.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.883, 59.2495] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 129,
    "stn_id": "CC7",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0621",
    "depth": 100.0,
    "PO4": 1.6,
    "SiOH4": 24.55,
    "NO3_NO2": 20.33,
    "NO2": 0.05,
    "NH4": 3.05,
    "NO3": 20.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.883, 59.2495] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 129,
    "stn_id": "CC7",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0621",
    "depth": 150.0,
    "PO4": 2.1,
    "SiOH4": 39.22,
    "NO3_NO2": 29.44,
    "NO2": 0.02,
    "NH4": 3.01,
    "NO3": 29.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.883, 59.2495] },
  "properties": {
    "cruise_id": "HX231",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 129,
    "stn_id": "CC7",
    "water_depth": 180,
    "month_gmt": "5",
    "day_gmt": "26",
    "time_gmt": "0621",
    "depth": 181.0,
    "PO4": 2.26,
    "SiOH4": 45.01,
    "NO3_NO2": 33.09,
    "NO2": 0.02,
    "NH4": 2.36,
    "NO3": 33.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3605, 60.024] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "1733",
    "depth": 2.0,
    "PO4": 0.07,
    "SiOH4": 2.1,
    "NO3_NO2": 0.14,
    "NO2": 0.09,
    "NH4": 0.28,
    "NO3": 0.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3605, 60.024] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "1733",
    "depth": 9.0,
    "PO4": 0.03,
    "SiOH4": 1.23,
    "NO3_NO2": 0.34,
    "NO2": 0.06,
    "NH4": 0.89,
    "NO3": 0.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3605, 60.024] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "1733",
    "depth": 19.0,
    "PO4": 0.03,
    "SiOH4": 3.52,
    "NO3_NO2": 2.02,
    "NO2": 0.24,
    "NH4": 2.04,
    "NO3": 1.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3605, 60.024] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "1733",
    "depth": 28.0,
    "PO4": 0.3,
    "SiOH4": 5.81,
    "NO3_NO2": 4.47,
    "NO2": 0.52,
    "NH4": 2.1,
    "NO3": 3.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3605, 60.024] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "1733",
    "depth": 38.0,
    "PO4": 0.69,
    "SiOH4": 9.25,
    "NO3_NO2": 10.28,
    "NO2": 0.62,
    "NH4": 0.75,
    "NO3": 9.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3605, 60.024] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "1733",
    "depth": 49.0,
    "PO4": 1.14,
    "SiOH4": 20.08,
    "NO3_NO2": 16.91,
    "NO2": 0.07,
    "NH4": 0.75,
    "NO3": 16.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3605, 60.024] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "1733",
    "depth": 75.0,
    "PO4": 1.46,
    "SiOH4": 30.21,
    "NO3_NO2": 21.24,
    "NO2": 0.06,
    "NH4": 0.59,
    "NO3": 21.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3605, 60.024] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "1733",
    "depth": 99.0,
    "PO4": 1.57,
    "SiOH4": 32.44,
    "NO3_NO2": 22.81,
    "NO2": 0.06,
    "NH4": 0.74,
    "NO3": 22.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3605, 60.024] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "1733",
    "depth": 147.0,
    "PO4": 1.91,
    "SiOH4": 43.84,
    "NO3_NO2": 27.55,
    "NO2": 0.03,
    "NH4": 0.81,
    "NO3": 27.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3605, 60.024] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "1733",
    "depth": 198.0,
    "PO4": 2.02,
    "SiOH4": 46.48,
    "NO3_NO2": 29.59,
    "NO2": 0.03,
    "NH4": 0.64,
    "NO3": 29.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4681, 59.8445] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "1854",
    "depth": 2.0,
    "PO4": 0.02,
    "SiOH4": 0.38,
    "NO3_NO2": 0.07,
    "NO2": 0.01,
    "NH4": 0.64,
    "NO3": 0.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4681, 59.8445] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "1854",
    "depth": 11.0,
    "PO4": 0.01,
    "SiOH4": 1.06,
    "NO3_NO2": 0.26,
    "NO2": 0.02,
    "NH4": 0.76,
    "NO3": 0.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4681, 59.8445] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "1854",
    "depth": 20.0,
    "PO4": 0.15,
    "SiOH4": 5.15,
    "NO3_NO2": 3.05,
    "NO2": 0.12,
    "NH4": 1.73,
    "NO3": 2.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4681, 59.8445] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "1854",
    "depth": 31.0,
    "PO4": 0.46,
    "SiOH4": 8.36,
    "NO3_NO2": 5.43,
    "NO2": 0.26,
    "NH4": 1.94,
    "NO3": 5.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4681, 59.8445] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "1854",
    "depth": 41.0,
    "PO4": 0.9,
    "SiOH4": 17.64,
    "NO3_NO2": 12.6,
    "NO2": 0.27,
    "NH4": 1.26,
    "NO3": 12.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4681, 59.8445] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "1854",
    "depth": 50.0,
    "PO4": 1.27,
    "SiOH4": 24.95,
    "NO3_NO2": 17.69,
    "NO2": 0.06,
    "NH4": 1.5,
    "NO3": 17.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4681, 59.8445] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "1854",
    "depth": 75.0,
    "PO4": 1.49,
    "SiOH4": 30.47,
    "NO3_NO2": 21.29,
    "NO2": 0.02,
    "NH4": 1.32,
    "NO3": 21.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4681, 59.8445] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "1854",
    "depth": 101.0,
    "PO4": 1.49,
    "SiOH4": 27.29,
    "NO3_NO2": 21.58,
    "NO2": 0.0,
    "NH4": 1.31,
    "NO3": 21.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4681, 59.8445] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "1854",
    "depth": 176.0,
    "PO4": 2.01,
    "SiOH4": 44.92,
    "NO3_NO2": 30.7,
    "NO2": 0.01,
    "NH4": 1.68,
    "NO3": 30.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4681, 59.8445] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "1854",
    "depth": 266.0,
    "PO4": 2.38,
    "SiOH4": null,
    "NO3_NO2": 32.42,
    "NO2": 0.01,
    "NH4": 1.86,
    "NO3": 32.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3979, 59.7656] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2035",
    "depth": 2.0,
    "PO4": 0.01,
    "SiOH4": 0.05,
    "NO3_NO2": 0.32,
    "NO2": 0.02,
    "NH4": 0.66,
    "NO3": 0.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3979, 59.7656] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2035",
    "depth": 10.0,
    "PO4": 0.0,
    "SiOH4": 0.56,
    "NO3_NO2": 0.2,
    "NO2": 0.0,
    "NH4": 1.25,
    "NO3": 0.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3979, 59.7656] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2035",
    "depth": 21.0,
    "PO4": 0.0,
    "SiOH4": 1.29,
    "NO3_NO2": 0.54,
    "NO2": 0.03,
    "NH4": 1.56,
    "NO3": 0.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3979, 59.7656] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2035",
    "depth": 30.0,
    "PO4": 0.11,
    "SiOH4": 5.15,
    "NO3_NO2": 2.72,
    "NO2": 0.1,
    "NH4": 2.44,
    "NO3": 2.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3979, 59.7656] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2035",
    "depth": 42.0,
    "PO4": 0.42,
    "SiOH4": 11.19,
    "NO3_NO2": 6.47,
    "NO2": 0.3,
    "NH4": 2.26,
    "NO3": 6.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3979, 59.7656] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2035",
    "depth": 51.0,
    "PO4": 0.97,
    "SiOH4": 20.0,
    "NO3_NO2": 14.01,
    "NO2": 0.33,
    "NH4": 1.51,
    "NO3": 13.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3979, 59.7656] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2035",
    "depth": 77.0,
    "PO4": 1.19,
    "SiOH4": 23.45,
    "NO3_NO2": 17.0,
    "NO2": 0.14,
    "NH4": 1.88,
    "NO3": 16.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3979, 59.7656] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2035",
    "depth": 100.0,
    "PO4": 1.49,
    "SiOH4": 30.53,
    "NO3_NO2": 21.32,
    "NO2": 0.13,
    "NH4": 2.19,
    "NO3": 21.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3979, 59.7656] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2035",
    "depth": 148.0,
    "PO4": 1.44,
    "SiOH4": 28.04,
    "NO3_NO2": 20.84,
    "NO2": 0.13,
    "NH4": 1.76,
    "NO3": 20.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3979, 59.7656] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2035",
    "depth": 199.0,
    "PO4": 1.73,
    "SiOH4": 36.1,
    "NO3_NO2": 25.47,
    "NO2": 0.07,
    "NH4": 1.78,
    "NO3": 25.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3979, 59.7656] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2035",
    "depth": 260.0,
    "PO4": 1.84,
    "SiOH4": 51.69,
    "NO3_NO2": 36.16,
    "NO2": 0.09,
    "NH4": 0.88,
    "NO3": 36.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3271, 59.6895] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK2",
    "water_depth": 227,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2126",
    "depth": 2.0,
    "PO4": 0.03,
    "SiOH4": 1.48,
    "NO3_NO2": 0.46,
    "NO2": 0.0,
    "NH4": 0.55,
    "NO3": 0.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3271, 59.6895] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK2",
    "water_depth": 227,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2126",
    "depth": 10.0,
    "PO4": 0.03,
    "SiOH4": 3.21,
    "NO3_NO2": 0.35,
    "NO2": 0.02,
    "NH4": 0.94,
    "NO3": 0.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3271, 59.6895] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK2",
    "water_depth": 227,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2126",
    "depth": 20.0,
    "PO4": 0.15,
    "SiOH4": 5.53,
    "NO3_NO2": 0.75,
    "NO2": 0.02,
    "NH4": 0.93,
    "NO3": 0.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3271, 59.6895] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK2",
    "water_depth": 227,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2126",
    "depth": 30.0,
    "PO4": 0.41,
    "SiOH4": 10.1,
    "NO3_NO2": 5.41,
    "NO2": 0.06,
    "NH4": 0.88,
    "NO3": 5.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3271, 59.6895] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK2",
    "water_depth": 227,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2126",
    "depth": 40.0,
    "PO4": 0.64,
    "SiOH4": 13.04,
    "NO3_NO2": 9.11,
    "NO2": 0.13,
    "NH4": 1.38,
    "NO3": 8.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3271, 59.6895] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK2",
    "water_depth": 227,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2126",
    "depth": 50.0,
    "PO4": 0.81,
    "SiOH4": 14.15,
    "NO3_NO2": 11.97,
    "NO2": 0.17,
    "NH4": 1.65,
    "NO3": 11.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3271, 59.6895] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK2",
    "water_depth": 227,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2126",
    "depth": 77.0,
    "PO4": 1.11,
    "SiOH4": 18.61,
    "NO3_NO2": 17.75,
    "NO2": 0.17,
    "NH4": 1.86,
    "NO3": 17.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3271, 59.6895] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK2",
    "water_depth": 227,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2126",
    "depth": 100.0,
    "PO4": 1.36,
    "SiOH4": 24.39,
    "NO3_NO2": 22.58,
    "NO2": 0.07,
    "NH4": 1.29,
    "NO3": 22.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3271, 59.6895] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK2",
    "water_depth": 227,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2126",
    "depth": 150.0,
    "PO4": 1.56,
    "SiOH4": 36.41,
    "NO3_NO2": 29.42,
    "NO2": 0.05,
    "NH4": 1.6,
    "NO3": 29.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3271, 59.6895] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK2",
    "water_depth": 227,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2126",
    "depth": 224.0,
    "PO4": 2.08,
    "SiOH4": 48.79,
    "NO3_NO2": 35.15,
    "NO2": 0.12,
    "NH4": 1.57,
    "NO3": 35.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2578, 59.6257] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2219",
    "depth": 2.0,
    "PO4": 0.0,
    "SiOH4": 5.04,
    "NO3_NO2": 0.11,
    "NO2": 0.0,
    "NH4": 1.57,
    "NO3": 0.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2578, 59.6257] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2219",
    "depth": 10.0,
    "PO4": 0.02,
    "SiOH4": 9.77,
    "NO3_NO2": 0.46,
    "NO2": 0.02,
    "NH4": 1.27,
    "NO3": 0.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2578, 59.6257] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2219",
    "depth": 20.0,
    "PO4": 0.43,
    "SiOH4": 12.5,
    "NO3_NO2": 6.01,
    "NO2": 0.13,
    "NH4": 0.89,
    "NO3": 5.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2578, 59.6257] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2219",
    "depth": 29.0,
    "PO4": 0.69,
    "SiOH4": 14.45,
    "NO3_NO2": 10.56,
    "NO2": 0.27,
    "NH4": 1.33,
    "NO3": 10.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2578, 59.6257] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2219",
    "depth": 39.0,
    "PO4": 0.88,
    "SiOH4": 16.44,
    "NO3_NO2": 14.43,
    "NO2": 0.22,
    "NH4": 0.98,
    "NO3": 14.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2578, 59.6257] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2219",
    "depth": 50.0,
    "PO4": 1.03,
    "SiOH4": 17.76,
    "NO3_NO2": 15.78,
    "NO2": 0.17,
    "NH4": 1.17,
    "NO3": 15.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2578, 59.6257] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2219",
    "depth": 74.0,
    "PO4": 1.28,
    "SiOH4": 21.7,
    "NO3_NO2": 20.1,
    "NO2": 0.08,
    "NH4": 1.31,
    "NO3": 20.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2578, 59.6257] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2219",
    "depth": 100.0,
    "PO4": 1.46,
    "SiOH4": 26.53,
    "NO3_NO2": 23.81,
    "NO2": 0.08,
    "NH4": 1.4,
    "NO3": 23.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2578, 59.6257] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2219",
    "depth": 150.0,
    "PO4": 1.89,
    "SiOH4": 39.6,
    "NO3_NO2": 31.44,
    "NO2": 0.08,
    "NH4": 1.79,
    "NO3": 31.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2578, 59.6257] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2219",
    "depth": 200.0,
    "PO4": 2.06,
    "SiOH4": 46.37,
    "NO3_NO2": 35.03,
    "NO2": 0.1,
    "NH4": 2.02,
    "NO3": 34.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2578, 59.6257] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2219",
    "depth": 213.0,
    "PO4": 2.07,
    "SiOH4": 46.64,
    "NO3_NO2": 35.2,
    "NO2": 0.09,
    "NH4": 2.24,
    "NO3": 35.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1874, 59.5532] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2307",
    "depth": 2.0,
    "PO4": 0.15,
    "SiOH4": 8.19,
    "NO3_NO2": 0.39,
    "NO2": 0.0,
    "NH4": 0.26,
    "NO3": 0.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1874, 59.5532] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2307",
    "depth": 10.0,
    "PO4": 0.21,
    "SiOH4": 9.67,
    "NO3_NO2": 2.07,
    "NO2": 0.02,
    "NH4": 0.16,
    "NO3": 2.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1874, 59.5532] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2307",
    "depth": 20.0,
    "PO4": 0.67,
    "SiOH4": 13.08,
    "NO3_NO2": 11.15,
    "NO2": 0.16,
    "NH4": 0.23,
    "NO3": 10.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1874, 59.5532] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2307",
    "depth": 30.0,
    "PO4": 0.78,
    "SiOH4": 13.67,
    "NO3_NO2": 12.61,
    "NO2": 0.18,
    "NH4": 0.2,
    "NO3": 12.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1874, 59.5532] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2307",
    "depth": 40.0,
    "PO4": 1.1,
    "SiOH4": 17.45,
    "NO3_NO2": 20.35,
    "NO2": 0.16,
    "NH4": 0.05,
    "NO3": 20.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1874, 59.5532] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2307",
    "depth": 50.0,
    "PO4": 1.23,
    "SiOH4": 19.92,
    "NO3_NO2": 23.58,
    "NO2": 0.11,
    "NH4": 0.1,
    "NO3": 23.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1874, 59.5532] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2307",
    "depth": 74.0,
    "PO4": 1.42,
    "SiOH4": 24.07,
    "NO3_NO2": 27.16,
    "NO2": 0.06,
    "NH4": 0.15,
    "NO3": 27.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1874, 59.5532] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2307",
    "depth": 151.0,
    "PO4": 1.95,
    "SiOH4": 42.86,
    "NO3_NO2": 40.68,
    "NO2": 0.01,
    "NH4": 0.29,
    "NO3": 40.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1874, 59.5532] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2307",
    "depth": 201.0,
    "PO4": 2.13,
    "SiOH4": 48.9,
    "NO3_NO2": 43.91,
    "NO2": 0.11,
    "NH4": 0.29,
    "NO3": 43.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1874, 59.5532] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "8",
    "day_gmt": "14",
    "time_gmt": "2307",
    "depth": 214.0,
    "PO4": 2.13,
    "SiOH4": 49.16,
    "NO3_NO2": 44.18,
    "NO2": 0.1,
    "NH4": 0.46,
    "NO3": 44.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1158, 59.4813] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK3I",
    "water_depth": 203,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "0037",
    "depth": 1.0,
    "PO4": 0.12,
    "SiOH4": 5.35,
    "NO3_NO2": 0.1,
    "NO2": 0.03,
    "NH4": 0.26,
    "NO3": 0.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1158, 59.4813] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK3I",
    "water_depth": 203,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "0037",
    "depth": 10.0,
    "PO4": 0.28,
    "SiOH4": 8.61,
    "NO3_NO2": 1.28,
    "NO2": 0.08,
    "NH4": 0.3,
    "NO3": 1.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1158, 59.4813] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK3I",
    "water_depth": 203,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "0037",
    "depth": 20.0,
    "PO4": 0.66,
    "SiOH4": 12.08,
    "NO3_NO2": 10.22,
    "NO2": 0.19,
    "NH4": 0.42,
    "NO3": 10.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1158, 59.4813] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK3I",
    "water_depth": 203,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "0037",
    "depth": 29.0,
    "PO4": 0.92,
    "SiOH4": 14.76,
    "NO3_NO2": 16.34,
    "NO2": 0.26,
    "NH4": 0.54,
    "NO3": 16.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1158, 59.4813] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK3I",
    "water_depth": 203,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "0037",
    "depth": 40.0,
    "PO4": 1.17,
    "SiOH4": 18.86,
    "NO3_NO2": 22.03,
    "NO2": 0.22,
    "NH4": 0.41,
    "NO3": 21.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1158, 59.4813] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK3I",
    "water_depth": 203,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "0037",
    "depth": 50.0,
    "PO4": 1.31,
    "SiOH4": 21.8,
    "NO3_NO2": 24.91,
    "NO2": 0.15,
    "NH4": 0.53,
    "NO3": 24.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1158, 59.4813] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK3I",
    "water_depth": 203,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "0037",
    "depth": 75.0,
    "PO4": 1.49,
    "SiOH4": 27.84,
    "NO3_NO2": 29.76,
    "NO2": 0.14,
    "NH4": 0.48,
    "NO3": 29.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1158, 59.4813] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK3I",
    "water_depth": 203,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "0037",
    "depth": 100.0,
    "PO4": 1.63,
    "SiOH4": 33.14,
    "NO3_NO2": 33.41,
    "NO2": 0.1,
    "NH4": 0.5,
    "NO3": 33.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1158, 59.4813] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK3I",
    "water_depth": 203,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "0037",
    "depth": 141.0,
    "PO4": 1.89,
    "SiOH4": 41.6,
    "NO3_NO2": 39.81,
    "NO2": 0.1,
    "NH4": 0.5,
    "NO3": 39.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1158, 59.4813] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK3I",
    "water_depth": 203,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "0037",
    "depth": 175.0,
    "PO4": 2.04,
    "SiOH4": 46.64,
    "NO3_NO2": 42.61,
    "NO2": 0.12,
    "NH4": 0.62,
    "NO3": 42.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1158, 59.4813] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK3I",
    "water_depth": 203,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "0037",
    "depth": 204.0,
    "PO4": 2.17,
    "SiOH4": 49.47,
    "NO3_NO2": 43.94,
    "NO2": 0.14,
    "NH4": 0.62,
    "NO3": 43.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0463, 59.4083] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "0122",
    "depth": 2.0,
    "PO4": 0.03,
    "SiOH4": 5.69,
    "NO3_NO2": 0.06,
    "NO2": 0.05,
    "NH4": 0.39,
    "NO3": 0.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0463, 59.4083] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "0122",
    "depth": 10.0,
    "PO4": 0.25,
    "SiOH4": 9.92,
    "NO3_NO2": 4.06,
    "NO2": 0.14,
    "NH4": 0.36,
    "NO3": 3.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0463, 59.4083] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "0122",
    "depth": 20.0,
    "PO4": 0.79,
    "SiOH4": 13.95,
    "NO3_NO2": 14.84,
    "NO2": 0.23,
    "NH4": 0.56,
    "NO3": 14.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0463, 59.4083] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "0122",
    "depth": 30.0,
    "PO4": 1.11,
    "SiOH4": 18.44,
    "NO3_NO2": 21.52,
    "NO2": 0.18,
    "NH4": 0.48,
    "NO3": 21.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0463, 59.4083] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "0122",
    "depth": 40.0,
    "PO4": 1.33,
    "SiOH4": 22.73,
    "NO3_NO2": 25.95,
    "NO2": 0.14,
    "NH4": 0.36,
    "NO3": 25.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0463, 59.4083] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "0122",
    "depth": 51.0,
    "PO4": 1.37,
    "SiOH4": 23.95,
    "NO3_NO2": 27.07,
    "NO2": 0.09,
    "NH4": 0.37,
    "NO3": 26.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0463, 59.4083] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "0122",
    "depth": 76.0,
    "PO4": 1.51,
    "SiOH4": 27.71,
    "NO3_NO2": 29.88,
    "NO2": 0.12,
    "NH4": 0.55,
    "NO3": 29.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0463, 59.4083] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "0122",
    "depth": 102.0,
    "PO4": 1.67,
    "SiOH4": 33.14,
    "NO3_NO2": 33.74,
    "NO2": 0.18,
    "NH4": 0.43,
    "NO3": 33.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0463, 59.4083] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "0122",
    "depth": 149.0,
    "PO4": 1.96,
    "SiOH4": 43.87,
    "NO3_NO2": 41.77,
    "NO2": 0.18,
    "NH4": 0.7,
    "NO3": 41.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0463, 59.4083] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "0122",
    "depth": 200.0,
    "PO4": 2.14,
    "SiOH4": 49.5,
    "NO3_NO2": 44.43,
    "NO2": 0.21,
    "NH4": 0.67,
    "NO3": 44.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9764, 59.3346] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "0227",
    "depth": 2.0,
    "PO4": 0.14,
    "SiOH4": 6.95,
    "NO3_NO2": 0.22,
    "NO2": 0.16,
    "NH4": 0.41,
    "NO3": 0.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9764, 59.3346] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "0227",
    "depth": 11.0,
    "PO4": 0.24,
    "SiOH4": 7.91,
    "NO3_NO2": 0.35,
    "NO2": 0.16,
    "NH4": 0.52,
    "NO3": 0.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9764, 59.3346] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "0227",
    "depth": 17.0,
    "PO4": 0.43,
    "SiOH4": 10.95,
    "NO3_NO2": 4.56,
    "NO2": 0.23,
    "NH4": 0.56,
    "NO3": 4.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9764, 59.3346] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "0227",
    "depth": 21.0,
    "PO4": 0.62,
    "SiOH4": 12.32,
    "NO3_NO2": 8.85,
    "NO2": 0.3,
    "NH4": 0.55,
    "NO3": 8.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9764, 59.3346] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "0227",
    "depth": 30.0,
    "PO4": 1.07,
    "SiOH4": 18.25,
    "NO3_NO2": 20.6,
    "NO2": 0.28,
    "NH4": 0.67,
    "NO3": 20.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9764, 59.3346] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "0227",
    "depth": 40.0,
    "PO4": 1.23,
    "SiOH4": 19.83,
    "NO3_NO2": 24.33,
    "NO2": 0.09,
    "NH4": 0.69,
    "NO3": 24.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9764, 59.3346] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "0227",
    "depth": 51.0,
    "PO4": 1.31,
    "SiOH4": 22.3,
    "NO3_NO2": 26.5,
    "NO2": 0.09,
    "NH4": 0.77,
    "NO3": 26.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9764, 59.3346] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "0227",
    "depth": 75.0,
    "PO4": 1.4,
    "SiOH4": 24.87,
    "NO3_NO2": 28.53,
    "NO2": 0.09,
    "NH4": 1.0,
    "NO3": 28.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9764, 59.3346] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "0227",
    "depth": 99.0,
    "PO4": 1.62,
    "SiOH4": 31.65,
    "NO3_NO2": 33.45,
    "NO2": 0.09,
    "NH4": 1.06,
    "NO3": 33.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9764, 59.3346] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "0227",
    "depth": 152.0,
    "PO4": 1.94,
    "SiOH4": 43.67,
    "NO3_NO2": 41.69,
    "NO2": 0.09,
    "NH4": 1.1,
    "NO3": 41.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9764, 59.3346] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "0227",
    "depth": 194.0,
    "PO4": 2.09,
    "SiOH4": 47.85,
    "NO3_NO2": 45.41,
    "NO2": 0.14,
    "NH4": 1.0,
    "NO3": 45.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0488, 59.4076] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 15,
    "stn_id": "GAK4",
    "water_depth": 198,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1446",
    "depth": 2.0,
    "PO4": 0.14,
    "SiOH4": 5.92,
    "NO3_NO2": 0.27,
    "NO2": 0.05,
    "NH4": 0.43,
    "NO3": 0.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0488, 59.4076] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 15,
    "stn_id": "GAK4",
    "water_depth": 198,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1446",
    "depth": 11.0,
    "PO4": 0.18,
    "SiOH4": 5.61,
    "NO3_NO2": 0.05,
    "NO2": 0.04,
    "NH4": 0.41,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0488, 59.4076] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 15,
    "stn_id": "GAK4",
    "water_depth": 198,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1446",
    "depth": 21.0,
    "PO4": 0.25,
    "SiOH4": 7.06,
    "NO3_NO2": 0.32,
    "NO2": 0.01,
    "NH4": 0.6,
    "NO3": 0.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0488, 59.4076] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 15,
    "stn_id": "GAK4",
    "water_depth": 198,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1446",
    "depth": 36.0,
    "PO4": 0.76,
    "SiOH4": 11.8,
    "NO3_NO2": 13.29,
    "NO2": 0.21,
    "NH4": 0.6,
    "NO3": 13.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0488, 59.4076] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 15,
    "stn_id": "GAK4",
    "water_depth": 198,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1446",
    "depth": 52.0,
    "PO4": 1.1,
    "SiOH4": 15.94,
    "NO3_NO2": 21.67,
    "NO2": 0.34,
    "NH4": 0.65,
    "NO3": 21.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0488, 59.4076] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 15,
    "stn_id": "GAK4",
    "water_depth": 198,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1446",
    "depth": 80.0,
    "PO4": 1.41,
    "SiOH4": 21.29,
    "NO3_NO2": 28.64,
    "NO2": 0.19,
    "NH4": 0.54,
    "NO3": 28.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.45] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1605",
    "depth": 2.0,
    "PO4": 0.15,
    "SiOH4": 8.41,
    "NO3_NO2": 0.08,
    "NO2": 0.14,
    "NH4": 0.76,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.45] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1605",
    "depth": 11.0,
    "PO4": 0.27,
    "SiOH4": 7.69,
    "NO3_NO2": 1.13,
    "NO2": 0.13,
    "NH4": 0.55,
    "NO3": 1.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.45] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1605",
    "depth": 21.0,
    "PO4": 0.73,
    "SiOH4": 11.37,
    "NO3_NO2": 11.91,
    "NO2": 0.28,
    "NH4": 0.7,
    "NO3": 11.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.45] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1605",
    "depth": 30.0,
    "PO4": 1.16,
    "SiOH4": 15.68,
    "NO3_NO2": 22.19,
    "NO2": 0.22,
    "NH4": 0.7,
    "NO3": 21.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.45] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1605",
    "depth": 42.0,
    "PO4": 1.27,
    "SiOH4": 15.06,
    "NO3_NO2": 24.44,
    "NO2": 0.15,
    "NH4": 0.8,
    "NO3": 24.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.45] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1605",
    "depth": 51.0,
    "PO4": 1.33,
    "SiOH4": null,
    "NO3_NO2": 25.98,
    "NO2": 0.09,
    "NH4": 0.69,
    "NO3": 25.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.45] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1605",
    "depth": 75.0,
    "PO4": 1.42,
    "SiOH4": null,
    "NO3_NO2": 28.8,
    "NO2": 0.08,
    "NH4": 0.72,
    "NO3": 28.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.45] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1605",
    "depth": 100.0,
    "PO4": 1.58,
    "SiOH4": null,
    "NO3_NO2": 33.37,
    "NO2": 0.1,
    "NH4": 0.91,
    "NO3": 33.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.45] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1605",
    "depth": 150.0,
    "PO4": 1.94,
    "SiOH4": null,
    "NO3_NO2": 41.75,
    "NO2": 0.11,
    "NH4": 1.24,
    "NO3": 41.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.45] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1605",
    "depth": 179.0,
    "PO4": 2.01,
    "SiOH4": null,
    "NO3_NO2": 42.66,
    "NO2": 0.15,
    "NH4": 0.8,
    "NO3": 42.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8682, 59.5168] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1721",
    "depth": 3.0,
    "PO4": 0.02,
    "SiOH4": 8.11,
    "NO3_NO2": 0.3,
    "NO2": 0.12,
    "NH4": 0.37,
    "NO3": 0.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8682, 59.5168] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1721",
    "depth": 10.0,
    "PO4": 0.37,
    "SiOH4": 10.4,
    "NO3_NO2": 4.56,
    "NO2": 0.0,
    "NH4": 0.61,
    "NO3": 4.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8682, 59.5168] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1721",
    "depth": 20.0,
    "PO4": 0.74,
    "SiOH4": 13.59,
    "NO3_NO2": 15.59,
    "NO2": 0.0,
    "NH4": 0.42,
    "NO3": 15.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8682, 59.5168] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1721",
    "depth": 29.0,
    "PO4": 0.94,
    "SiOH4": 15.84,
    "NO3_NO2": 20.03,
    "NO2": 0.0,
    "NH4": 0.44,
    "NO3": 20.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8682, 59.5168] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1721",
    "depth": 40.0,
    "PO4": 1.1,
    "SiOH4": 18.87,
    "NO3_NO2": 25.83,
    "NO2": 0.0,
    "NH4": 0.45,
    "NO3": 25.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8682, 59.5168] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1721",
    "depth": 50.0,
    "PO4": 1.3,
    "SiOH4": 22.27,
    "NO3_NO2": 31.72,
    "NO2": 0.02,
    "NH4": 0.33,
    "NO3": 31.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8682, 59.5168] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1721",
    "depth": 78.0,
    "PO4": 1.47,
    "SiOH4": 27.5,
    "NO3_NO2": 38.06,
    "NO2": 0.02,
    "NH4": 0.39,
    "NO3": 38.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8682, 59.5168] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1721",
    "depth": 100.0,
    "PO4": 1.57,
    "SiOH4": 31.27,
    "NO3_NO2": 41.68,
    "NO2": 0.09,
    "NH4": 0.23,
    "NO3": 41.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8682, 59.5168] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1721",
    "depth": 123.0,
    "PO4": 1.76,
    "SiOH4": 36.5,
    "NO3_NO2": 44.38,
    "NO2": 0.14,
    "NH4": 0.22,
    "NO3": 44.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8682, 59.5168] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1721",
    "depth": 171.0,
    "PO4": 2.03,
    "SiOH4": 44.61,
    "NO3_NO2": 45.26,
    "NO2": 0.09,
    "NH4": 0.32,
    "NO3": 45.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.5837] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1832",
    "depth": 2.0,
    "PO4": 0.26,
    "SiOH4": 8.55,
    "NO3_NO2": 0.08,
    "NO2": 0.05,
    "NH4": 0.98,
    "NO3": 0.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.5837] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1832",
    "depth": 10.0,
    "PO4": 0.36,
    "SiOH4": 8.86,
    "NO3_NO2": 1.27,
    "NO2": 0.07,
    "NH4": 0.59,
    "NO3": 1.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.5837] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1832",
    "depth": 20.0,
    "PO4": 0.88,
    "SiOH4": 12.9,
    "NO3_NO2": 11.91,
    "NO2": 0.19,
    "NH4": 0.72,
    "NO3": 11.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.5837] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1832",
    "depth": 32.0,
    "PO4": 1.21,
    "SiOH4": 17.19,
    "NO3_NO2": 21.53,
    "NO2": 0.19,
    "NH4": 0.59,
    "NO3": 21.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.5837] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1832",
    "depth": 41.0,
    "PO4": 1.4,
    "SiOH4": 19.37,
    "NO3_NO2": 25.3,
    "NO2": 0.09,
    "NH4": 0.73,
    "NO3": 25.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.5837] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1832",
    "depth": 75.0,
    "PO4": 1.57,
    "SiOH4": 23.72,
    "NO3_NO2": 29.39,
    "NO2": 0.02,
    "NH4": 0.74,
    "NO3": 29.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.5837] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1832",
    "depth": 98.0,
    "PO4": 1.73,
    "SiOH4": 29.08,
    "NO3_NO2": 34.71,
    "NO2": 0.02,
    "NH4": 1.4,
    "NO3": 34.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.5837] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1832",
    "depth": 126.0,
    "PO4": null,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": null,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.5837] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1832",
    "depth": 174.0,
    "PO4": 2.2,
    "SiOH4": 43.25,
    "NO3_NO2": null,
    "NO2": 0.05,
    "NH4": 1.28,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8702, 59.6512] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "CF9",
    "water_depth": 177,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1940",
    "depth": 3.0,
    "PO4": 0.23,
    "SiOH4": 6.4,
    "NO3_NO2": 0.06,
    "NO2": 0.07,
    "NH4": 1.28,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8702, 59.6512] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "CF9",
    "water_depth": 177,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1940",
    "depth": 11.0,
    "PO4": 0.32,
    "SiOH4": 8.04,
    "NO3_NO2": 0.43,
    "NO2": 0.07,
    "NH4": 1.68,
    "NO3": 0.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8702, 59.6512] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "CF9",
    "water_depth": 177,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1940",
    "depth": 21.0,
    "PO4": 0.43,
    "SiOH4": 9.15,
    "NO3_NO2": 1.37,
    "NO2": 0.07,
    "NH4": 1.82,
    "NO3": 1.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8702, 59.6512] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "CF9",
    "water_depth": 177,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1940",
    "depth": 32.0,
    "PO4": 0.59,
    "SiOH4": 9.36,
    "NO3_NO2": 5.38,
    "NO2": 0.14,
    "NH4": 1.69,
    "NO3": 5.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8702, 59.6512] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "CF9",
    "water_depth": 177,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1940",
    "depth": 43.0,
    "PO4": 0.86,
    "SiOH4": 11.38,
    "NO3_NO2": 11.35,
    "NO2": 0.21,
    "NH4": 1.56,
    "NO3": 11.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8702, 59.6512] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "CF9",
    "water_depth": 177,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1940",
    "depth": 51.0,
    "PO4": 1.09,
    "SiOH4": 13.55,
    "NO3_NO2": 16.59,
    "NO2": 0.26,
    "NH4": 1.69,
    "NO3": 16.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8702, 59.6512] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "CF9",
    "water_depth": 177,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1940",
    "depth": 76.0,
    "PO4": 1.38,
    "SiOH4": 16.68,
    "NO3_NO2": 25.97,
    "NO2": 0.21,
    "NH4": 2.09,
    "NO3": 25.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8702, 59.6512] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "CF9",
    "water_depth": 177,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1940",
    "depth": 100.0,
    "PO4": 1.63,
    "SiOH4": 21.62,
    "NO3_NO2": 32.77,
    "NO2": 0.09,
    "NH4": 2.23,
    "NO3": 32.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8702, 59.6512] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "CF9",
    "water_depth": 177,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1940",
    "depth": 125.0,
    "PO4": 1.97,
    "SiOH4": 25.39,
    "NO3_NO2": 40.83,
    "NO2": 0.09,
    "NH4": 2.1,
    "NO3": 40.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8702, 59.6512] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "CF9",
    "water_depth": 177,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "1940",
    "depth": 177.0,
    "PO4": 2.35,
    "SiOH4": 42.96,
    "NO3_NO2": null,
    "NO2": 0.12,
    "NH4": 2.5,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8716, 59.7171] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 24,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2048",
    "depth": 2.0,
    "PO4": 0.13,
    "SiOH4": 1.06,
    "NO3_NO2": 0.11,
    "NO2": 0.02,
    "NH4": 0.24,
    "NO3": 0.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8716, 59.7171] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 24,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2048",
    "depth": 11.0,
    "PO4": 0.28,
    "SiOH4": 3.02,
    "NO3_NO2": 1.42,
    "NO2": 0.05,
    "NH4": 0.42,
    "NO3": 1.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8716, 59.7171] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 24,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2048",
    "depth": 18.0,
    "PO4": 0.47,
    "SiOH4": 4.77,
    "NO3_NO2": 4.42,
    "NO2": 0.14,
    "NH4": 0.59,
    "NO3": 4.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8716, 59.7171] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 24,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2048",
    "depth": 31.0,
    "PO4": 0.62,
    "SiOH4": 8.75,
    "NO3_NO2": 6.73,
    "NO2": 0.21,
    "NH4": 0.69,
    "NO3": 6.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8716, 59.7171] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 24,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2048",
    "depth": 40.0,
    "PO4": 0.92,
    "SiOH4": 12.3,
    "NO3_NO2": 11.74,
    "NO2": 0.26,
    "NH4": 0.65,
    "NO3": 11.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8716, 59.7171] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 24,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2048",
    "depth": 52.0,
    "PO4": 1.19,
    "SiOH4": 15.12,
    "NO3_NO2": 18.97,
    "NO2": 0.26,
    "NH4": 0.52,
    "NO3": 18.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8716, 59.7171] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 24,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2048",
    "depth": 77.0,
    "PO4": 1.54,
    "SiOH4": 20.37,
    "NO3_NO2": 27.16,
    "NO2": 0.05,
    "NH4": 0.64,
    "NO3": 27.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8716, 59.7171] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 24,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2048",
    "depth": 100.0,
    "PO4": 1.59,
    "SiOH4": 21.17,
    "NO3_NO2": 28.06,
    "NO2": 0.05,
    "NH4": 0.84,
    "NO3": 28.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8716, 59.7171] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 24,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2048",
    "depth": 123.0,
    "PO4": 1.77,
    "SiOH4": 25.2,
    "NO3_NO2": 31.24,
    "NO2": 0.05,
    "NH4": 0.81,
    "NO3": 31.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8716, 59.7171] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 24,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2048",
    "depth": 183.0,
    "PO4": 2.37,
    "SiOH4": 42.67,
    "NO3_NO2": null,
    "NO2": 0.07,
    "NH4": 0.83,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8709, 59.7841] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "CF5",
    "water_depth": 192,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2149",
    "depth": 2.0,
    "PO4": 0.14,
    "SiOH4": 0.61,
    "NO3_NO2": 0.11,
    "NO2": 0.05,
    "NH4": 0.29,
    "NO3": 0.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8709, 59.7841] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "CF5",
    "water_depth": 192,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2149",
    "depth": 10.0,
    "PO4": 0.23,
    "SiOH4": 1.03,
    "NO3_NO2": 0.33,
    "NO2": 0.07,
    "NH4": 0.26,
    "NO3": 0.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8709, 59.7841] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "CF5",
    "water_depth": 192,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2149",
    "depth": 21.0,
    "PO4": 0.39,
    "SiOH4": 2.47,
    "NO3_NO2": 2.06,
    "NO2": 0.19,
    "NH4": 0.33,
    "NO3": 1.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8709, 59.7841] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "CF5",
    "water_depth": 192,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2149",
    "depth": 28.0,
    "PO4": 0.57,
    "SiOH4": 5.44,
    "NO3_NO2": 5.78,
    "NO2": 0.14,
    "NH4": 0.85,
    "NO3": 5.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8709, 59.7841] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "CF5",
    "water_depth": 192,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2149",
    "depth": 41.0,
    "PO4": 0.87,
    "SiOH4": 10.69,
    "NO3_NO2": 13.11,
    "NO2": 0.26,
    "NH4": 0.76,
    "NO3": 12.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8709, 59.7841] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "CF5",
    "water_depth": 192,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2149",
    "depth": 51.0,
    "PO4": 1.02,
    "SiOH4": 12.65,
    "NO3_NO2": 17.11,
    "NO2": 0.33,
    "NH4": 0.8,
    "NO3": 16.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8709, 59.7841] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "CF5",
    "water_depth": 192,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2149",
    "depth": 76.0,
    "PO4": 1.38,
    "SiOH4": 18.44,
    "NO3_NO2": 27.98,
    "NO2": 0.07,
    "NH4": 0.82,
    "NO3": 27.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8709, 59.7841] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "CF5",
    "water_depth": 192,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2149",
    "depth": 101.0,
    "PO4": 1.7,
    "SiOH4": 26.93,
    "NO3_NO2": 36.45,
    "NO2": 0.05,
    "NH4": 0.79,
    "NO3": 36.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8709, 59.7841] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "CF5",
    "water_depth": 192,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2149",
    "depth": 126.0,
    "PO4": 1.67,
    "SiOH4": 23.64,
    "NO3_NO2": 35.44,
    "NO2": 0.05,
    "NH4": 0.88,
    "NO3": 35.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8709, 59.7841] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "CF5",
    "water_depth": 192,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2149",
    "depth": 191.0,
    "PO4": 2.36,
    "SiOH4": 44.29,
    "NO3_NO2": null,
    "NO2": 0.05,
    "NH4": 1.19,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8685, 59.8509] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 28,
    "stn_id": "CF3",
    "water_depth": 158,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2256",
    "depth": 3.0,
    "PO4": 0.13,
    "SiOH4": 0.74,
    "NO3_NO2": 0.23,
    "NO2": 0.04,
    "NH4": 0.64,
    "NO3": 0.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8685, 59.8509] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 28,
    "stn_id": "CF3",
    "water_depth": 158,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2256",
    "depth": 11.0,
    "PO4": 0.14,
    "SiOH4": 0.69,
    "NO3_NO2": 0.02,
    "NO2": 0.04,
    "NH4": 0.89,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8685, 59.8509] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 28,
    "stn_id": "CF3",
    "water_depth": 158,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2256",
    "depth": 21.0,
    "PO4": 0.33,
    "SiOH4": 3.35,
    "NO3_NO2": 3.09,
    "NO2": 0.15,
    "NH4": 1.02,
    "NO3": 2.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8685, 59.8509] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 28,
    "stn_id": "CF3",
    "water_depth": 158,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2256",
    "depth": 31.0,
    "PO4": 0.58,
    "SiOH4": 6.21,
    "NO3_NO2": 7.09,
    "NO2": 0.22,
    "NH4": 1.64,
    "NO3": 6.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8685, 59.8509] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 28,
    "stn_id": "CF3",
    "water_depth": 158,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2256",
    "depth": 41.0,
    "PO4": 0.75,
    "SiOH4": 9.13,
    "NO3_NO2": 10.44,
    "NO2": 0.29,
    "NH4": 1.95,
    "NO3": 10.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8685, 59.8509] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 28,
    "stn_id": "CF3",
    "water_depth": 158,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2256",
    "depth": 51.0,
    "PO4": 1.02,
    "SiOH4": 13.38,
    "NO3_NO2": 16.95,
    "NO2": 0.38,
    "NH4": 2.44,
    "NO3": 16.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8685, 59.8509] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 28,
    "stn_id": "CF3",
    "water_depth": 158,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2256",
    "depth": 73.0,
    "PO4": 1.26,
    "SiOH4": 17.15,
    "NO3_NO2": 23.41,
    "NO2": 0.21,
    "NH4": 2.0,
    "NO3": 23.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8685, 59.8509] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 28,
    "stn_id": "CF3",
    "water_depth": 158,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2256",
    "depth": 98.0,
    "PO4": 1.4,
    "SiOH4": 18.27,
    "NO3_NO2": 26.64,
    "NO2": 0.13,
    "NH4": 2.47,
    "NO3": 26.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8685, 59.8509] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 28,
    "stn_id": "CF3",
    "water_depth": 158,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2256",
    "depth": 156.0,
    "PO4": 2.06,
    "SiOH4": 38.92,
    "NO3_NO2": null,
    "NO2": 0.15,
    "NH4": 2.8,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8693, 59.9082] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2347",
    "depth": 2.0,
    "PO4": 0.03,
    "SiOH4": 0.21,
    "NO3_NO2": 0.01,
    "NO2": 0.03,
    "NH4": 0.87,
    "NO3": 0.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8693, 59.9082] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2347",
    "depth": 11.0,
    "PO4": 0.1,
    "SiOH4": 0.32,
    "NO3_NO2": 0.05,
    "NO2": 0.1,
    "NH4": 1.04,
    "NO3": 0.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8693, 59.9082] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2347",
    "depth": 21.0,
    "PO4": 0.11,
    "SiOH4": 0.16,
    "NO3_NO2": 0.0,
    "NO2": 0.07,
    "NH4": 0.59,
    "NO3": 0.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8693, 59.9082] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2347",
    "depth": 31.0,
    "PO4": 0.38,
    "SiOH4": 3.98,
    "NO3_NO2": 3.23,
    "NO2": 0.18,
    "NH4": 1.05,
    "NO3": 3.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8693, 59.9082] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2347",
    "depth": 40.0,
    "PO4": 0.65,
    "SiOH4": 9.88,
    "NO3_NO2": 8.79,
    "NO2": 0.25,
    "NH4": 1.17,
    "NO3": 8.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8693, 59.9082] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2347",
    "depth": 50.0,
    "PO4": 1.26,
    "SiOH4": 21.51,
    "NO3_NO2": 24.14,
    "NO2": 0.25,
    "NH4": 1.29,
    "NO3": 23.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8693, 59.9082] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2347",
    "depth": 75.0,
    "PO4": 1.62,
    "SiOH4": 29.84,
    "NO3_NO2": 32.49,
    "NO2": 0.13,
    "NH4": 1.5,
    "NO3": 32.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8693, 59.9082] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "8",
    "day_gmt": "15",
    "time_gmt": "2347",
    "depth": 85.0,
    "PO4": 1.6,
    "SiOH4": 28.36,
    "NO3_NO2": 31.29,
    "NO2": 0.1,
    "NH4": 1.54,
    "NO3": 31.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7948, 58.1002] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "GAK13",
    "water_depth": 2080,
    "month_gmt": "8",
    "day_gmt": "16",
    "time_gmt": "1938",
    "depth": 3.0,
    "PO4": 0.26,
    "SiOH4": 6.32,
    "NO3_NO2": 0.67,
    "NO2": 0.05,
    "NH4": 2.04,
    "NO3": 0.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7948, 58.1002] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "GAK13",
    "water_depth": 2080,
    "month_gmt": "8",
    "day_gmt": "16",
    "time_gmt": "1938",
    "depth": 25.0,
    "PO4": 1.29,
    "SiOH4": 16.73,
    "NO3_NO2": 23.21,
    "NO2": 0.17,
    "NH4": 1.66,
    "NO3": 23.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7948, 58.1002] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "GAK13",
    "water_depth": 2080,
    "month_gmt": "8",
    "day_gmt": "16",
    "time_gmt": "1938",
    "depth": 50.0,
    "PO4": 1.46,
    "SiOH4": 20.11,
    "NO3_NO2": 26.88,
    "NO2": 0.05,
    "NH4": 0.69,
    "NO3": 26.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7948, 58.1002] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "GAK13",
    "water_depth": 2080,
    "month_gmt": "8",
    "day_gmt": "16",
    "time_gmt": "1938",
    "depth": 74.0,
    "PO4": 1.55,
    "SiOH4": 21.2,
    "NO3_NO2": 28.48,
    "NO2": 0.04,
    "NH4": 1.24,
    "NO3": 28.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7948, 58.1002] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "GAK13",
    "water_depth": 2080,
    "month_gmt": "8",
    "day_gmt": "16",
    "time_gmt": "1938",
    "depth": 99.0,
    "PO4": 1.67,
    "SiOH4": 22.97,
    "NO3_NO2": 31.88,
    "NO2": 0.07,
    "NH4": 1.04,
    "NO3": 31.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7948, 58.1002] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "GAK13",
    "water_depth": 2080,
    "month_gmt": "8",
    "day_gmt": "16",
    "time_gmt": "1938",
    "depth": 248.0,
    "PO4": 2.73,
    "SiOH4": 48.11,
    "NO3_NO2": null,
    "NO2": 0.07,
    "NH4": 0.82,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7948, 58.1002] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "GAK13",
    "water_depth": 2080,
    "month_gmt": "8",
    "day_gmt": "16",
    "time_gmt": "1938",
    "depth": 502.0,
    "PO4": 3.26,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.07,
    "NH4": 0.52,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7948, 58.1002] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "GAK13",
    "water_depth": 2080,
    "month_gmt": "8",
    "day_gmt": "16",
    "time_gmt": "1938",
    "depth": 752.0,
    "PO4": 3.36,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.09,
    "NH4": 0.6,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7948, 58.1002] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "GAK13",
    "water_depth": 2080,
    "month_gmt": "8",
    "day_gmt": "16",
    "time_gmt": "1938",
    "depth": 1001.0,
    "PO4": 3.37,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.09,
    "NH4": 0.63,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7948, 58.1002] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "GAK13",
    "water_depth": 2080,
    "month_gmt": "8",
    "day_gmt": "16",
    "time_gmt": "1938",
    "depth": 1500.0,
    "PO4": 3.3,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.09,
    "NH4": 0.43,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7792, 58.1108] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 33,
    "stn_id": "GAK13",
    "water_depth": 2110,
    "month_gmt": "8",
    "day_gmt": "16",
    "time_gmt": "2106",
    "depth": 3.0,
    "PO4": 0.25,
    "SiOH4": 7.08,
    "NO3_NO2": 0.1,
    "NO2": 0.05,
    "NH4": 0.03,
    "NO3": 0.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7792, 58.1108] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 33,
    "stn_id": "GAK13",
    "water_depth": 2110,
    "month_gmt": "8",
    "day_gmt": "16",
    "time_gmt": "2106",
    "depth": 12.0,
    "PO4": 0.33,
    "SiOH4": 6.78,
    "NO3_NO2": 0.26,
    "NO2": 0.03,
    "NH4": 0.0,
    "NO3": 0.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7792, 58.1108] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 33,
    "stn_id": "GAK13",
    "water_depth": 2110,
    "month_gmt": "8",
    "day_gmt": "16",
    "time_gmt": "2106",
    "depth": 18.0,
    "PO4": 0.61,
    "SiOH4": 10.46,
    "NO3_NO2": 5.8,
    "NO2": 0.1,
    "NH4": 0.2,
    "NO3": 5.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7792, 58.1108] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 33,
    "stn_id": "GAK13",
    "water_depth": 2110,
    "month_gmt": "8",
    "day_gmt": "16",
    "time_gmt": "2106",
    "depth": 33.0,
    "PO4": 1.15,
    "SiOH4": 17.06,
    "NO3_NO2": 19.45,
    "NO2": 0.22,
    "NH4": 0.17,
    "NO3": 19.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9367, 58.2424] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 35,
    "stn_id": "GAK12",
    "water_depth": 2150,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "0008",
    "depth": 3.0,
    "PO4": 0.3,
    "SiOH4": 6.91,
    "NO3_NO2": 0.19,
    "NO2": 0.07,
    "NH4": 0.27,
    "NO3": 0.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9367, 58.2424] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 35,
    "stn_id": "GAK12",
    "water_depth": 2150,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "0008",
    "depth": 11.0,
    "PO4": 0.36,
    "SiOH4": 6.68,
    "NO3_NO2": 0.02,
    "NO2": 0.05,
    "NH4": 0.3,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9367, 58.2424] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 35,
    "stn_id": "GAK12",
    "water_depth": 2150,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "0008",
    "depth": 23.0,
    "PO4": 0.71,
    "SiOH4": 11.17,
    "NO3_NO2": 7.39,
    "NO2": 0.1,
    "NH4": 0.37,
    "NO3": 7.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9367, 58.2424] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 35,
    "stn_id": "GAK12",
    "water_depth": 2150,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "0008",
    "depth": 50.0,
    "PO4": 1.38,
    "SiOH4": 22.22,
    "NO3_NO2": 26.34,
    "NO2": 0.05,
    "NH4": 0.51,
    "NO3": 26.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9367, 58.2424] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 35,
    "stn_id": "GAK12",
    "water_depth": 2150,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "0008",
    "depth": 76.0,
    "PO4": 1.51,
    "SiOH4": 25.27,
    "NO3_NO2": 28.87,
    "NO2": 0.05,
    "NH4": 0.66,
    "NO3": 28.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9367, 58.2424] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 35,
    "stn_id": "GAK12",
    "water_depth": 2150,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "0008",
    "depth": 152.0,
    "PO4": 2.26,
    "SiOH4": 48.07,
    "NO3_NO2": null,
    "NO2": 0.05,
    "NH4": 0.7,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9367, 58.2424] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 35,
    "stn_id": "GAK12",
    "water_depth": 2150,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "0008",
    "depth": 253.0,
    "PO4": 2.73,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.05,
    "NH4": 0.65,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9367, 58.2424] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 35,
    "stn_id": "GAK12",
    "water_depth": 2150,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "0008",
    "depth": 503.0,
    "PO4": 3.3,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.05,
    "NH4": 0.69,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9367, 58.2424] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 35,
    "stn_id": "GAK12",
    "water_depth": 2150,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "0008",
    "depth": 997.0,
    "PO4": 3.34,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.05,
    "NH4": 0.75,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9367, 58.2424] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 35,
    "stn_id": "GAK12",
    "water_depth": 2150,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "0008",
    "depth": 1508.0,
    "PO4": 3.3,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.05,
    "NH4": 0.84,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0709, 58.3887] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "GAK11",
    "water_depth": 1423,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "0251",
    "depth": 4.0,
    "PO4": 0.17,
    "SiOH4": 6.15,
    "NO3_NO2": 0.34,
    "NO2": 0.02,
    "NH4": 0.44,
    "NO3": 0.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0709, 58.3887] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "GAK11",
    "water_depth": 1423,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "0251",
    "depth": 11.0,
    "PO4": 0.31,
    "SiOH4": 5.97,
    "NO3_NO2": 0.45,
    "NO2": 0.05,
    "NH4": 0.2,
    "NO3": 0.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0709, 58.3887] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "GAK11",
    "water_depth": 1423,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "0251",
    "depth": 25.0,
    "PO4": 0.69,
    "SiOH4": 12.01,
    "NO3_NO2": 7.11,
    "NO2": 0.12,
    "NH4": 0.23,
    "NO3": 6.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0709, 58.3887] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "GAK11",
    "water_depth": 1423,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "0251",
    "depth": 52.0,
    "PO4": 1.34,
    "SiOH4": 22.82,
    "NO3_NO2": 26.29,
    "NO2": 0.05,
    "NH4": 0.2,
    "NO3": 26.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0709, 58.3887] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "GAK11",
    "water_depth": 1423,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "0251",
    "depth": 76.0,
    "PO4": 1.43,
    "SiOH4": 23.28,
    "NO3_NO2": 27.5,
    "NO2": 0.05,
    "NH4": 0.34,
    "NO3": 27.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0709, 58.3887] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "GAK11",
    "water_depth": 1423,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "0251",
    "depth": 102.0,
    "PO4": 1.64,
    "SiOH4": 28.57,
    "NO3_NO2": 33.06,
    "NO2": 0.05,
    "NH4": 0.62,
    "NO3": 33.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0709, 58.3887] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "GAK11",
    "water_depth": 1423,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "0251",
    "depth": 253.0,
    "PO4": 2.72,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.05,
    "NH4": 0.76,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0709, 58.3887] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "GAK11",
    "water_depth": 1423,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "0251",
    "depth": 502.0,
    "PO4": 3.16,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.1,
    "NH4": 0.9,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0709, 58.3887] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "GAK11",
    "water_depth": 1423,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "0251",
    "depth": 999.0,
    "PO4": 3.29,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.02,
    "NH4": 0.93,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0709, 58.3887] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "GAK11",
    "water_depth": 1423,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "0251",
    "depth": 1410.0,
    "PO4": 3.28,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.05,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2125, 58.5414] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "GAK10",
    "water_depth": 1475,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1449",
    "depth": 2.0,
    "PO4": 0.35,
    "SiOH4": 5.08,
    "NO3_NO2": 0.12,
    "NO2": 0.0,
    "NH4": 0.57,
    "NO3": 0.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2125, 58.5414] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "GAK10",
    "water_depth": 1475,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1449",
    "depth": 11.0,
    "PO4": 0.37,
    "SiOH4": 5.28,
    "NO3_NO2": 0.12,
    "NO2": 0.0,
    "NH4": 0.61,
    "NO3": 0.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2125, 58.5414] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "GAK10",
    "water_depth": 1475,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1449",
    "depth": 30.0,
    "PO4": 0.74,
    "SiOH4": 11.54,
    "NO3_NO2": 8.03,
    "NO2": 0.08,
    "NH4": 0.81,
    "NO3": 7.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2125, 58.5414] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "GAK10",
    "water_depth": 1475,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1449",
    "depth": 51.0,
    "PO4": 1.39,
    "SiOH4": 19.23,
    "NO3_NO2": 25.39,
    "NO2": 0.13,
    "NH4": 0.76,
    "NO3": 25.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2125, 58.5414] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "GAK10",
    "water_depth": 1475,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1449",
    "depth": 77.0,
    "PO4": 1.53,
    "SiOH4": 23.41,
    "NO3_NO2": 29.25,
    "NO2": 0.01,
    "NH4": 0.8,
    "NO3": 29.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2125, 58.5414] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "GAK10",
    "water_depth": 1475,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1449",
    "depth": 104.0,
    "PO4": 1.74,
    "SiOH4": 29.6,
    "NO3_NO2": 34.94,
    "NO2": 0.01,
    "NH4": 0.65,
    "NO3": 34.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2125, 58.5414] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "GAK10",
    "water_depth": 1475,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1449",
    "depth": 191.0,
    "PO4": 2.44,
    "SiOH4": 48.58,
    "NO3_NO2": null,
    "NO2": 0.01,
    "NH4": 0.96,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2125, 58.5414] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "GAK10",
    "water_depth": 1475,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1449",
    "depth": 500.0,
    "PO4": 3.16,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.01,
    "NH4": 0.94,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2125, 58.5414] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "GAK10",
    "water_depth": 1475,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1449",
    "depth": 1000.0,
    "PO4": 3.31,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.02,
    "NH4": 0.98,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2125, 58.5414] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "GAK10",
    "water_depth": 1475,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1449",
    "depth": 1423.0,
    "PO4": 3.31,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.04,
    "NH4": 1.01,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2785, 58.6107] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "GAK9I",
    "water_depth": 676,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1712",
    "depth": 2.0,
    "PO4": 0.24,
    "SiOH4": 5.32,
    "NO3_NO2": 0.03,
    "NO2": 0.03,
    "NH4": 0.8,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2785, 58.6107] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "GAK9I",
    "water_depth": 676,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1712",
    "depth": 10.0,
    "PO4": 0.29,
    "SiOH4": 5.29,
    "NO3_NO2": 0.06,
    "NO2": 0.03,
    "NH4": 0.74,
    "NO3": 0.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2785, 58.6107] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "GAK9I",
    "water_depth": 676,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1712",
    "depth": 20.0,
    "PO4": 0.34,
    "SiOH4": 5.25,
    "NO3_NO2": 0.2,
    "NO2": 0.05,
    "NH4": 1.03,
    "NO3": 0.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2785, 58.6107] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "GAK9I",
    "water_depth": 676,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1712",
    "depth": 30.0,
    "PO4": 0.73,
    "SiOH4": 7.75,
    "NO3_NO2": 9.98,
    "NO2": 0.2,
    "NH4": 1.2,
    "NO3": 9.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2785, 58.6107] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "GAK9I",
    "water_depth": 676,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1712",
    "depth": 39.0,
    "PO4": 1.19,
    "SiOH4": 14.05,
    "NO3_NO2": 19.72,
    "NO2": 0.39,
    "NH4": 1.49,
    "NO3": 19.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2785, 58.6107] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "GAK9I",
    "water_depth": 676,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1712",
    "depth": 50.0,
    "PO4": 1.33,
    "SiOH4": 17.19,
    "NO3_NO2": 23.18,
    "NO2": 0.37,
    "NH4": 1.38,
    "NO3": 22.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2785, 58.6107] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "GAK9I",
    "water_depth": 676,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1712",
    "depth": 74.0,
    "PO4": 1.53,
    "SiOH4": 21.99,
    "NO3_NO2": 28.52,
    "NO2": 0.25,
    "NH4": 1.35,
    "NO3": 28.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2785, 58.6107] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "GAK9I",
    "water_depth": 676,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1712",
    "depth": 99.0,
    "PO4": 1.63,
    "SiOH4": 26.56,
    "NO3_NO2": 32.41,
    "NO2": 0.15,
    "NH4": 1.51,
    "NO3": 32.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2785, 58.6107] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "GAK9I",
    "water_depth": 676,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1712",
    "depth": 252.0,
    "PO4": 2.7,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.08,
    "NH4": 1.5,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2785, 58.6107] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "GAK9I",
    "water_depth": 676,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1712",
    "depth": 402.0,
    "PO4": 3.02,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.06,
    "NH4": 1.58,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2785, 58.6107] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "GAK9I",
    "water_depth": 676,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1712",
    "depth": 691.0,
    "PO4": 3.23,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.08,
    "NH4": 1.43,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3509, 58.6795] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 41,
    "stn_id": "GAK9",
    "water_depth": 275,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1826",
    "depth": 3.0,
    "PO4": 0.34,
    "SiOH4": 6.3,
    "NO3_NO2": 0.06,
    "NO2": 0.06,
    "NH4": 1.12,
    "NO3": 0.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3509, 58.6795] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 41,
    "stn_id": "GAK9",
    "water_depth": 275,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1826",
    "depth": 10.0,
    "PO4": 0.36,
    "SiOH4": 6.38,
    "NO3_NO2": 0.48,
    "NO2": 0.08,
    "NH4": 1.34,
    "NO3": 0.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3509, 58.6795] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 41,
    "stn_id": "GAK9",
    "water_depth": 275,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1826",
    "depth": 20.0,
    "PO4": 0.67,
    "SiOH4": 8.82,
    "NO3_NO2": 6.17,
    "NO2": 0.16,
    "NH4": 1.27,
    "NO3": 6.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3509, 58.6795] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 41,
    "stn_id": "GAK9",
    "water_depth": 275,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1826",
    "depth": 29.0,
    "PO4": 1.02,
    "SiOH4": 12.19,
    "NO3_NO2": 14.85,
    "NO2": 0.23,
    "NH4": 1.41,
    "NO3": 14.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3509, 58.6795] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 41,
    "stn_id": "GAK9",
    "water_depth": 275,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1826",
    "depth": 40.0,
    "PO4": 1.32,
    "SiOH4": 16.99,
    "NO3_NO2": 23.58,
    "NO2": 0.18,
    "NH4": 1.13,
    "NO3": 23.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3509, 58.6795] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 41,
    "stn_id": "GAK9",
    "water_depth": 275,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1826",
    "depth": 50.0,
    "PO4": 1.35,
    "SiOH4": 19.43,
    "NO3_NO2": 25.83,
    "NO2": 0.16,
    "NH4": 1.23,
    "NO3": 25.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3509, 58.6795] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 41,
    "stn_id": "GAK9",
    "water_depth": 275,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1826",
    "depth": 74.0,
    "PO4": 1.5,
    "SiOH4": 22.68,
    "NO3_NO2": 29.92,
    "NO2": 0.16,
    "NH4": 1.45,
    "NO3": 29.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3509, 58.6795] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 41,
    "stn_id": "GAK9",
    "water_depth": 275,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1826",
    "depth": 99.0,
    "PO4": 1.66,
    "SiOH4": 27.14,
    "NO3_NO2": 32.6,
    "NO2": 0.21,
    "NH4": 1.33,
    "NO3": 32.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3509, 58.6795] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 41,
    "stn_id": "GAK9",
    "water_depth": 275,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1826",
    "depth": 202.0,
    "PO4": null,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": null,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3509, 58.6795] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 41,
    "stn_id": "GAK9",
    "water_depth": 275,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1826",
    "depth": 275.0,
    "PO4": null,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": null,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3433, 58.6692] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 43,
    "stn_id": "GAK9",
    "water_depth": 276,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1914",
    "depth": 2.0,
    "PO4": 0.24,
    "SiOH4": 6.17,
    "NO3_NO2": 0.17,
    "NO2": 0.02,
    "NH4": 0.84,
    "NO3": 0.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3433, 58.6692] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 43,
    "stn_id": "GAK9",
    "water_depth": 276,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1914",
    "depth": 12.0,
    "PO4": 0.38,
    "SiOH4": 6.31,
    "NO3_NO2": 0.63,
    "NO2": 0.02,
    "NH4": 0.95,
    "NO3": 0.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3433, 58.6692] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 43,
    "stn_id": "GAK9",
    "water_depth": 276,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1914",
    "depth": 21.0,
    "PO4": 0.58,
    "SiOH4": 7.99,
    "NO3_NO2": 4.33,
    "NO2": 0.12,
    "NH4": 0.82,
    "NO3": 4.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3433, 58.6692] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 43,
    "stn_id": "GAK9",
    "water_depth": 276,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1914",
    "depth": 37.0,
    "PO4": 1.17,
    "SiOH4": 13.31,
    "NO3_NO2": 17.03,
    "NO2": 0.21,
    "NH4": 1.15,
    "NO3": 16.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3433, 58.6692] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 43,
    "stn_id": "GAK9",
    "water_depth": 276,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1914",
    "depth": 52.0,
    "PO4": 1.49,
    "SiOH4": 19.54,
    "NO3_NO2": 25.27,
    "NO2": 0.11,
    "NH4": 0.94,
    "NO3": 25.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3433, 58.6692] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 43,
    "stn_id": "GAK9",
    "water_depth": 276,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1914",
    "depth": 80.0,
    "PO4": 1.59,
    "SiOH4": 22.81,
    "NO3_NO2": 28.59,
    "NO2": 0.11,
    "NH4": 1.08,
    "NO3": 28.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4211, 58.7433] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "GAK8I",
    "water_depth": 288,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1958",
    "depth": 2.0,
    "PO4": 0.35,
    "SiOH4": 7.63,
    "NO3_NO2": 0.0,
    "NO2": 0.04,
    "NH4": 0.92,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4211, 58.7433] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "GAK8I",
    "water_depth": 288,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1958",
    "depth": 10.0,
    "PO4": 0.42,
    "SiOH4": 8.06,
    "NO3_NO2": 1.17,
    "NO2": 0.06,
    "NH4": 1.3,
    "NO3": 1.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4211, 58.7433] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "GAK8I",
    "water_depth": 288,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1958",
    "depth": 20.0,
    "PO4": 1.02,
    "SiOH4": 12.98,
    "NO3_NO2": 13.88,
    "NO2": 0.18,
    "NH4": 1.38,
    "NO3": 13.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4211, 58.7433] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "GAK8I",
    "water_depth": 288,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1958",
    "depth": 31.0,
    "PO4": 1.33,
    "SiOH4": 17.22,
    "NO3_NO2": 22.22,
    "NO2": 0.16,
    "NH4": 1.15,
    "NO3": 22.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4211, 58.7433] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "GAK8I",
    "water_depth": 288,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1958",
    "depth": 41.0,
    "PO4": 1.46,
    "SiOH4": 19.8,
    "NO3_NO2": 25.18,
    "NO2": 0.08,
    "NH4": 1.21,
    "NO3": 25.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4211, 58.7433] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "GAK8I",
    "water_depth": 288,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1958",
    "depth": 50.0,
    "PO4": 1.46,
    "SiOH4": 20.91,
    "NO3_NO2": 25.79,
    "NO2": 0.08,
    "NH4": 1.03,
    "NO3": 25.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4211, 58.7433] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "GAK8I",
    "water_depth": 288,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1958",
    "depth": 77.0,
    "PO4": 1.54,
    "SiOH4": 22.13,
    "NO3_NO2": 27.52,
    "NO2": 0.06,
    "NH4": 1.33,
    "NO3": 27.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4211, 58.7433] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "GAK8I",
    "water_depth": 288,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1958",
    "depth": 99.0,
    "PO4": 1.6,
    "SiOH4": 24.49,
    "NO3_NO2": 29.77,
    "NO2": 0.05,
    "NH4": 1.42,
    "NO3": 29.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4211, 58.7433] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "GAK8I",
    "water_depth": 288,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1958",
    "depth": 149.0,
    "PO4": 2.13,
    "SiOH4": 42.35,
    "NO3_NO2": null,
    "NO2": 0.05,
    "NH4": 1.23,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4211, 58.7433] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "GAK8I",
    "water_depth": 288,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1958",
    "depth": 199.0,
    "PO4": null,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": null,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4211, 58.7433] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "GAK8I",
    "water_depth": 288,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "1958",
    "depth": 285.0,
    "PO4": 2.82,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.1,
    "NH4": 1.58,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4912, 58.7916] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "GAK8",
    "water_depth": 288,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "2043",
    "depth": 2.0,
    "PO4": 0.36,
    "SiOH4": 7.89,
    "NO3_NO2": 0.43,
    "NO2": 0.02,
    "NH4": 1.47,
    "NO3": 0.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4912, 58.7916] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "GAK8",
    "water_depth": 288,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "2043",
    "depth": 10.0,
    "PO4": 0.55,
    "SiOH4": 9.36,
    "NO3_NO2": 3.54,
    "NO2": 0.07,
    "NH4": 1.42,
    "NO3": 3.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4912, 58.7916] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "GAK8",
    "water_depth": 288,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "2043",
    "depth": 20.0,
    "PO4": 1.09,
    "SiOH4": 14.19,
    "NO3_NO2": 15.25,
    "NO2": 0.17,
    "NH4": 1.47,
    "NO3": 15.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4912, 58.7916] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "GAK8",
    "water_depth": 288,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "2043",
    "depth": 29.0,
    "PO4": 1.39,
    "SiOH4": 17.82,
    "NO3_NO2": 22.81,
    "NO2": 0.12,
    "NH4": 0.68,
    "NO3": 22.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4912, 58.7916] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "GAK8",
    "water_depth": 288,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "2043",
    "depth": 40.0,
    "PO4": 1.5,
    "SiOH4": 20.03,
    "NO3_NO2": 25.41,
    "NO2": 0.07,
    "NH4": 0.73,
    "NO3": 25.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4912, 58.7916] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "GAK8",
    "water_depth": 288,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "2043",
    "depth": 50.0,
    "PO4": 1.5,
    "SiOH4": 20.37,
    "NO3_NO2": 25.31,
    "NO2": 0.07,
    "NH4": 0.93,
    "NO3": 25.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4912, 58.7916] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "GAK8",
    "water_depth": 288,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "2043",
    "depth": 77.0,
    "PO4": 1.54,
    "SiOH4": 22.8,
    "NO3_NO2": 26.61,
    "NO2": 0.05,
    "NH4": 0.73,
    "NO3": 26.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4912, 58.7916] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "GAK8",
    "water_depth": 288,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "2043",
    "depth": 97.0,
    "PO4": 1.64,
    "SiOH4": 24.96,
    "NO3_NO2": 28.73,
    "NO2": 0.05,
    "NH4": 0.81,
    "NO3": 28.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4912, 58.7916] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "GAK8",
    "water_depth": 288,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "2043",
    "depth": 201.0,
    "PO4": 2.53,
    "SiOH4": 50.21,
    "NO3_NO2": null,
    "NO2": 0.05,
    "NH4": 0.88,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4912, 58.7916] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "GAK8",
    "water_depth": 288,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "2043",
    "depth": 287.0,
    "PO4": 2.86,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.1,
    "NH4": 1.22,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6327, 58.9721] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "GAK7",
    "water_depth": 243,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "2222",
    "depth": 2.0,
    "PO4": 0.38,
    "SiOH4": 7.79,
    "NO3_NO2": 0.03,
    "NO2": 0.02,
    "NH4": 0.86,
    "NO3": 0.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6327, 58.9721] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "GAK7",
    "water_depth": 243,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "2222",
    "depth": 11.0,
    "PO4": 0.44,
    "SiOH4": 8.47,
    "NO3_NO2": 0.67,
    "NO2": 0.02,
    "NH4": 0.73,
    "NO3": 0.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6327, 58.9721] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "GAK7",
    "water_depth": 243,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "2222",
    "depth": 19.0,
    "PO4": 0.83,
    "SiOH4": 13.01,
    "NO3_NO2": 9.12,
    "NO2": 0.1,
    "NH4": 0.86,
    "NO3": 9.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6327, 58.9721] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "GAK7",
    "water_depth": 243,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "2222",
    "depth": 30.0,
    "PO4": 1.27,
    "SiOH4": 16.99,
    "NO3_NO2": 19.01,
    "NO2": 0.15,
    "NH4": 0.73,
    "NO3": 18.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6327, 58.9721] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "GAK7",
    "water_depth": 243,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "2222",
    "depth": 40.0,
    "PO4": 1.47,
    "SiOH4": 16.98,
    "NO3_NO2": 24.58,
    "NO2": 0.07,
    "NH4": 0.73,
    "NO3": 24.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6327, 58.9721] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "GAK7",
    "water_depth": 243,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "2222",
    "depth": 50.0,
    "PO4": 1.5,
    "SiOH4": 17.48,
    "NO3_NO2": 25.62,
    "NO2": 0.02,
    "NH4": 0.61,
    "NO3": 25.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6327, 58.9721] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "GAK7",
    "water_depth": 243,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "2222",
    "depth": 74.0,
    "PO4": 1.54,
    "SiOH4": 19.75,
    "NO3_NO2": 26.56,
    "NO2": 0.02,
    "NH4": 0.37,
    "NO3": 26.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6327, 58.9721] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "GAK7",
    "water_depth": 243,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "2222",
    "depth": 101.0,
    "PO4": 1.71,
    "SiOH4": 24.35,
    "NO3_NO2": 30.82,
    "NO2": 0.0,
    "NH4": 0.61,
    "NO3": 30.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6327, 58.9721] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "GAK7",
    "water_depth": 243,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "2222",
    "depth": 152.0,
    "PO4": 2.09,
    "SiOH4": 38.17,
    "NO3_NO2": null,
    "NO2": 0.0,
    "NH4": 0.46,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6327, 58.9721] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "GAK7",
    "water_depth": 243,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "2222",
    "depth": 201.0,
    "PO4": 2.66,
    "SiOH4": 57.26,
    "NO3_NO2": null,
    "NO2": 0.05,
    "NH4": 0.49,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6327, 58.9721] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "GAK7",
    "water_depth": 243,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "2222",
    "depth": 240.0,
    "PO4": 2.83,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.07,
    "NH4": 0.49,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.771, 59.1167] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "2358",
    "depth": 2.0,
    "PO4": 0.21,
    "SiOH4": 6.54,
    "NO3_NO2": 0.47,
    "NO2": 0.05,
    "NH4": 0.34,
    "NO3": 0.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.771, 59.1167] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "2358",
    "depth": 9.0,
    "PO4": 0.28,
    "SiOH4": 6.75,
    "NO3_NO2": 0.39,
    "NO2": 0.05,
    "NH4": 0.41,
    "NO3": 0.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.771, 59.1167] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "2358",
    "depth": 20.0,
    "PO4": 0.53,
    "SiOH4": 10.5,
    "NO3_NO2": 5.1,
    "NO2": 0.22,
    "NH4": 0.38,
    "NO3": 4.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.771, 59.1167] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "2358",
    "depth": 30.0,
    "PO4": 0.99,
    "SiOH4": 16.64,
    "NO3_NO2": 14.91,
    "NO2": 0.23,
    "NH4": 0.37,
    "NO3": 14.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.771, 59.1167] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "2358",
    "depth": 40.0,
    "PO4": 1.21,
    "SiOH4": 17.76,
    "NO3_NO2": 19.93,
    "NO2": 0.23,
    "NH4": 0.54,
    "NO3": 19.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.771, 59.1167] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "2358",
    "depth": 50.0,
    "PO4": 1.35,
    "SiOH4": 19.52,
    "NO3_NO2": 22.93,
    "NO2": 0.16,
    "NH4": 0.51,
    "NO3": 22.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.771, 59.1167] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "2358",
    "depth": 75.0,
    "PO4": 1.69,
    "SiOH4": 28.73,
    "NO3_NO2": 31.7,
    "NO2": 0.09,
    "NH4": 0.41,
    "NO3": 31.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.771, 59.1167] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "2358",
    "depth": 101.0,
    "PO4": 1.87,
    "SiOH4": 34.18,
    "NO3_NO2": 35.97,
    "NO2": 0.07,
    "NH4": 0.4,
    "NO3": 35.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.771, 59.1167] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "2358",
    "depth": 126.0,
    "PO4": 1.96,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.13,
    "NH4": 0.54,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.771, 59.1167] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "8",
    "day_gmt": "17",
    "time_gmt": "2358",
    "depth": 151.0,
    "PO4": 1.93,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": 0.14,
    "NH4": 0.6,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.838, 59.1897] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 49,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "8",
    "day_gmt": "18",
    "time_gmt": "0058",
    "depth": 1.0,
    "PO4": 0.32,
    "SiOH4": 7.47,
    "NO3_NO2": 2.08,
    "NO2": 0.02,
    "NH4": 0.56,
    "NO3": 2.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.838, 59.1897] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 49,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "8",
    "day_gmt": "18",
    "time_gmt": "0058",
    "depth": 10.0,
    "PO4": 0.45,
    "SiOH4": 8.36,
    "NO3_NO2": 3.27,
    "NO2": 0.05,
    "NH4": 0.62,
    "NO3": 3.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.838, 59.1897] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 49,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "8",
    "day_gmt": "18",
    "time_gmt": "0058",
    "depth": 21.0,
    "PO4": 0.79,
    "SiOH4": 12.56,
    "NO3_NO2": 11.12,
    "NO2": 0.12,
    "NH4": 0.65,
    "NO3": 11.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.838, 59.1897] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 49,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "8",
    "day_gmt": "18",
    "time_gmt": "0058",
    "depth": 32.0,
    "PO4": 1.02,
    "SiOH4": 15.04,
    "NO3_NO2": 16.85,
    "NO2": 0.17,
    "NH4": 0.63,
    "NO3": 16.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.838, 59.1897] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 49,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "8",
    "day_gmt": "18",
    "time_gmt": "0058",
    "depth": 42.0,
    "PO4": 1.42,
    "SiOH4": 21.0,
    "NO3_NO2": 26.3,
    "NO2": 0.12,
    "NH4": 0.5,
    "NO3": 26.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.838, 59.1897] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 49,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "8",
    "day_gmt": "18",
    "time_gmt": "0058",
    "depth": 50.0,
    "PO4": 1.49,
    "SiOH4": 22.52,
    "NO3_NO2": 28.38,
    "NO2": 0.07,
    "NH4": 0.58,
    "NO3": 28.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.838, 59.1897] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 49,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "8",
    "day_gmt": "18",
    "time_gmt": "0058",
    "depth": 74.0,
    "PO4": 1.75,
    "SiOH4": 30.35,
    "NO3_NO2": 34.34,
    "NO2": 0.1,
    "NH4": 0.54,
    "NO3": 34.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.838, 59.1897] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 49,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "8",
    "day_gmt": "18",
    "time_gmt": "0058",
    "depth": 98.0,
    "PO4": 1.76,
    "SiOH4": 31.41,
    "NO3_NO2": 35.53,
    "NO2": 0.12,
    "NH4": 0.58,
    "NO3": 35.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.838, 59.1897] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 49,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "8",
    "day_gmt": "18",
    "time_gmt": "0058",
    "depth": 125.0,
    "PO4": 1.87,
    "SiOH4": 34.98,
    "NO3_NO2": null,
    "NO2": 0.1,
    "NH4": 0.44,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.838, 59.1897] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 49,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "8",
    "day_gmt": "18",
    "time_gmt": "0058",
    "depth": 164.0,
    "PO4": 2.31,
    "SiOH4": 49.53,
    "NO3_NO2": null,
    "NO2": 0.17,
    "NH4": 0.67,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9088, 59.2611] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "8",
    "day_gmt": "18",
    "time_gmt": "0144",
    "depth": 2.0,
    "PO4": 0.2,
    "SiOH4": 8.98,
    "NO3_NO2": 0.89,
    "NO2": 0.05,
    "NH4": 0.43,
    "NO3": 0.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9088, 59.2611] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "8",
    "day_gmt": "18",
    "time_gmt": "0144",
    "depth": 11.0,
    "PO4": 0.47,
    "SiOH4": 11.47,
    "NO3_NO2": 3.5,
    "NO2": 0.12,
    "NH4": 0.49,
    "NO3": 3.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9088, 59.2611] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "8",
    "day_gmt": "18",
    "time_gmt": "0144",
    "depth": 16.0,
    "PO4": 0.8,
    "SiOH4": 14.75,
    "NO3_NO2": 10.45,
    "NO2": 0.19,
    "NH4": 0.55,
    "NO3": 10.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9088, 59.2611] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "8",
    "day_gmt": "18",
    "time_gmt": "0144",
    "depth": 21.0,
    "PO4": 1.11,
    "SiOH4": 18.03,
    "NO3_NO2": 17.86,
    "NO2": 0.22,
    "NH4": 0.53,
    "NO3": 17.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9088, 59.2611] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "8",
    "day_gmt": "18",
    "time_gmt": "0144",
    "depth": 31.0,
    "PO4": 1.47,
    "SiOH4": 24.56,
    "NO3_NO2": 26.04,
    "NO2": 0.12,
    "NH4": 0.4,
    "NO3": 25.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9088, 59.2611] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "8",
    "day_gmt": "18",
    "time_gmt": "0144",
    "depth": 41.0,
    "PO4": 1.56,
    "SiOH4": 26.3,
    "NO3_NO2": 27.38,
    "NO2": 0.07,
    "NH4": 0.53,
    "NO3": 27.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9088, 59.2611] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "8",
    "day_gmt": "18",
    "time_gmt": "0144",
    "depth": 50.0,
    "PO4": 1.53,
    "SiOH4": 24.63,
    "NO3_NO2": 27.01,
    "NO2": 0.07,
    "NH4": 0.42,
    "NO3": 26.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9088, 59.2611] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "8",
    "day_gmt": "18",
    "time_gmt": "0144",
    "depth": 76.0,
    "PO4": 1.55,
    "SiOH4": 25.41,
    "NO3_NO2": 28.12,
    "NO2": 0.07,
    "NH4": 0.43,
    "NO3": 28.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9088, 59.2611] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "8",
    "day_gmt": "18",
    "time_gmt": "0144",
    "depth": 100.0,
    "PO4": 1.78,
    "SiOH4": 32.67,
    "NO3_NO2": 33.7,
    "NO2": 0.07,
    "NH4": 0.34,
    "NO3": 33.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9088, 59.2611] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "8",
    "day_gmt": "18",
    "time_gmt": "0144",
    "depth": 126.0,
    "PO4": 2.06,
    "SiOH4": 42.96,
    "NO3_NO2": null,
    "NO2": 0.07,
    "NH4": 0.4,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9088, 59.2611] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "8",
    "day_gmt": "18",
    "time_gmt": "0144",
    "depth": 166.0,
    "PO4": 2.28,
    "SiOH4": 50.68,
    "NO3_NO2": null,
    "NO2": 0.12,
    "NH4": 0.48,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9293, 59.9543] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "MS1",
    "water_depth": 161,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1806",
    "depth": 2.0,
    "PO4": 0.11,
    "SiOH4": 1.51,
    "NO3_NO2": 0.39,
    "NO2": 0.05,
    "NH4": 0.31,
    "NO3": 0.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9293, 59.9543] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "MS1",
    "water_depth": 161,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1806",
    "depth": 10.0,
    "PO4": 0.15,
    "SiOH4": 3.37,
    "NO3_NO2": 1.17,
    "NO2": 0.09,
    "NH4": 0.6,
    "NO3": 1.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9293, 59.9543] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "MS1",
    "water_depth": 161,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1806",
    "depth": 21.0,
    "PO4": 0.41,
    "SiOH4": 6.87,
    "NO3_NO2": 4.6,
    "NO2": 0.14,
    "NH4": 0.51,
    "NO3": 4.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9293, 59.9543] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "MS1",
    "water_depth": 161,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1806",
    "depth": 30.0,
    "PO4": 0.69,
    "SiOH4": 11.25,
    "NO3_NO2": 8.99,
    "NO2": 0.18,
    "NH4": 0.38,
    "NO3": 8.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9293, 59.9543] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "MS1",
    "water_depth": 161,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1806",
    "depth": 39.0,
    "PO4": 1.23,
    "SiOH4": 21.21,
    "NO3_NO2": 18.64,
    "NO2": 0.11,
    "NH4": 0.29,
    "NO3": 18.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9293, 59.9543] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "MS1",
    "water_depth": 161,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1806",
    "depth": 50.0,
    "PO4": 1.64,
    "SiOH4": 28.59,
    "NO3_NO2": 25.12,
    "NO2": 0.06,
    "NH4": 0.16,
    "NO3": 25.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9293, 59.9543] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "MS1",
    "water_depth": 161,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1806",
    "depth": 76.0,
    "PO4": 1.84,
    "SiOH4": 33.21,
    "NO3_NO2": 28.24,
    "NO2": 0.01,
    "NH4": 0.3,
    "NO3": 28.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9293, 59.9543] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "MS1",
    "water_depth": 161,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1806",
    "depth": 102.0,
    "PO4": 1.96,
    "SiOH4": 36.18,
    "NO3_NO2": 30.35,
    "NO2": 0.08,
    "NH4": 0.32,
    "NO3": 30.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9293, 59.9543] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "MS1",
    "water_depth": 161,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1806",
    "depth": 125.0,
    "PO4": 2.02,
    "SiOH4": 37.16,
    "NO3_NO2": 31.25,
    "NO2": 0.05,
    "NH4": 0.32,
    "NO3": 31.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9293, 59.9543] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "MS1",
    "water_depth": 161,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1806",
    "depth": 161.0,
    "PO4": 2.05,
    "SiOH4": 38.44,
    "NO3_NO2": 31.83,
    "NO2": 0.07,
    "NH4": 0.19,
    "NO3": 31.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8963, 59.9441] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 73,
    "stn_id": "MS2",
    "water_depth": 191,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1831",
    "depth": 2.0,
    "PO4": 0.2,
    "SiOH4": 3.01,
    "NO3_NO2": 0.13,
    "NO2": 0.07,
    "NH4": 0.3,
    "NO3": 0.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8963, 59.9441] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 73,
    "stn_id": "MS2",
    "water_depth": 191,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1831",
    "depth": 10.0,
    "PO4": 0.27,
    "SiOH4": 5.28,
    "NO3_NO2": 2.55,
    "NO2": 0.09,
    "NH4": 0.38,
    "NO3": 2.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8963, 59.9441] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 73,
    "stn_id": "MS2",
    "water_depth": 191,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1831",
    "depth": 19.0,
    "PO4": 0.56,
    "SiOH4": 7.55,
    "NO3_NO2": 4.91,
    "NO2": 0.16,
    "NH4": 0.82,
    "NO3": 4.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8963, 59.9441] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 73,
    "stn_id": "MS2",
    "water_depth": 191,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1831",
    "depth": 30.0,
    "PO4": 0.82,
    "SiOH4": 11.94,
    "NO3_NO2": 9.17,
    "NO2": 0.18,
    "NH4": 0.63,
    "NO3": 8.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8963, 59.9441] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 73,
    "stn_id": "MS2",
    "water_depth": 191,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1831",
    "depth": 40.0,
    "PO4": 1.17,
    "SiOH4": 18.14,
    "NO3_NO2": 15.4,
    "NO2": 0.16,
    "NH4": 0.57,
    "NO3": 15.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8963, 59.9441] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 73,
    "stn_id": "MS2",
    "water_depth": 191,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1831",
    "depth": 50.0,
    "PO4": 1.47,
    "SiOH4": 24.46,
    "NO3_NO2": 20.74,
    "NO2": 0.13,
    "NH4": 0.36,
    "NO3": 20.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8963, 59.9441] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 73,
    "stn_id": "MS2",
    "water_depth": 191,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1831",
    "depth": 75.0,
    "PO4": 1.82,
    "SiOH4": 32.08,
    "NO3_NO2": 26.91,
    "NO2": 0.18,
    "NH4": 0.44,
    "NO3": 26.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8963, 59.9441] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 73,
    "stn_id": "MS2",
    "water_depth": 191,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1831",
    "depth": 101.0,
    "PO4": 1.99,
    "SiOH4": 37.52,
    "NO3_NO2": 29.77,
    "NO2": 0.08,
    "NH4": 0.46,
    "NO3": 29.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8963, 59.9441] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 73,
    "stn_id": "MS2",
    "water_depth": 191,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1831",
    "depth": 140.0,
    "PO4": 2.08,
    "SiOH4": 39.84,
    "NO3_NO2": 31.88,
    "NO2": 0.05,
    "NH4": 0.51,
    "NO3": 31.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8963, 59.9441] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 73,
    "stn_id": "MS2",
    "water_depth": 191,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1831",
    "depth": 188.0,
    "PO4": 2.08,
    "SiOH4": 41.23,
    "NO3_NO2": 31.76,
    "NO2": 0.05,
    "NH4": 0.27,
    "NO3": 31.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.858, 59.933] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 74,
    "stn_id": "MS3",
    "water_depth": 171,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1855",
    "depth": 2.0,
    "PO4": 0.24,
    "SiOH4": 3.52,
    "NO3_NO2": 1.36,
    "NO2": 0.04,
    "NH4": 0.62,
    "NO3": 1.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.858, 59.933] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 74,
    "stn_id": "MS3",
    "water_depth": 171,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1855",
    "depth": 10.0,
    "PO4": 0.39,
    "SiOH4": 5.51,
    "NO3_NO2": 2.7,
    "NO2": 0.11,
    "NH4": 0.63,
    "NO3": 2.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.858, 59.933] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 74,
    "stn_id": "MS3",
    "water_depth": 171,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1855",
    "depth": 19.0,
    "PO4": 0.61,
    "SiOH4": 8.5,
    "NO3_NO2": 5.63,
    "NO2": 0.16,
    "NH4": 0.91,
    "NO3": 5.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.858, 59.933] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 74,
    "stn_id": "MS3",
    "water_depth": 171,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1855",
    "depth": 30.0,
    "PO4": 0.99,
    "SiOH4": 14.78,
    "NO3_NO2": 12.05,
    "NO2": 0.23,
    "NH4": 0.46,
    "NO3": 11.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.858, 59.933] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 74,
    "stn_id": "MS3",
    "water_depth": 171,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1855",
    "depth": 40.0,
    "PO4": 1.32,
    "SiOH4": 20.88,
    "NO3_NO2": 18.34,
    "NO2": 0.18,
    "NH4": 0.45,
    "NO3": 18.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.858, 59.933] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 74,
    "stn_id": "MS3",
    "water_depth": 171,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1855",
    "depth": 49.0,
    "PO4": 1.58,
    "SiOH4": 25.87,
    "NO3_NO2": 22.79,
    "NO2": 0.06,
    "NH4": 0.29,
    "NO3": 22.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.858, 59.933] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 74,
    "stn_id": "MS3",
    "water_depth": 171,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1855",
    "depth": 75.0,
    "PO4": 1.89,
    "SiOH4": 32.91,
    "NO3_NO2": 27.68,
    "NO2": 0.15,
    "NH4": 0.54,
    "NO3": 27.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.858, 59.933] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 74,
    "stn_id": "MS3",
    "water_depth": 171,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1855",
    "depth": 100.0,
    "PO4": 2.11,
    "SiOH4": 39.25,
    "NO3_NO2": 31.25,
    "NO2": 0.1,
    "NH4": 0.62,
    "NO3": 31.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.858, 59.933] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 74,
    "stn_id": "MS3",
    "water_depth": 171,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1855",
    "depth": 125.0,
    "PO4": 2.13,
    "SiOH4": 40.01,
    "NO3_NO2": 31.58,
    "NO2": 0.07,
    "NH4": 0.66,
    "NO3": 31.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.858, 59.933] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 74,
    "stn_id": "MS3",
    "water_depth": 171,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1855",
    "depth": 150.0,
    "PO4": 2.13,
    "SiOH4": 39.95,
    "NO3_NO2": 31.78,
    "NO2": 0.05,
    "NH4": 0.65,
    "NO3": 31.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.858, 59.933] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 74,
    "stn_id": "MS3",
    "water_depth": 171,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1855",
    "depth": 170.0,
    "PO4": 2.13,
    "SiOH4": 39.71,
    "NO3_NO2": 32.05,
    "NO2": 0.04,
    "NH4": 0.58,
    "NO3": 32.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8291, 59.9212] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 75,
    "stn_id": "MS4",
    "water_depth": 109,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1918",
    "depth": 3.0,
    "PO4": 0.33,
    "SiOH4": 3.54,
    "NO3_NO2": 1.36,
    "NO2": 0.04,
    "NH4": 0.54,
    "NO3": 1.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8291, 59.9212] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 75,
    "stn_id": "MS4",
    "water_depth": 109,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1918",
    "depth": 10.0,
    "PO4": 0.46,
    "SiOH4": 5.48,
    "NO3_NO2": 3.21,
    "NO2": 0.04,
    "NH4": 1.29,
    "NO3": 3.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8291, 59.9212] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 75,
    "stn_id": "MS4",
    "water_depth": 109,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1918",
    "depth": 20.0,
    "PO4": 0.69,
    "SiOH4": 8.65,
    "NO3_NO2": 6.97,
    "NO2": 0.09,
    "NH4": 0.84,
    "NO3": 6.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8291, 59.9212] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 75,
    "stn_id": "MS4",
    "water_depth": 109,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1918",
    "depth": 30.0,
    "PO4": 0.98,
    "SiOH4": 13.34,
    "NO3_NO2": 11.74,
    "NO2": 0.16,
    "NH4": 0.91,
    "NO3": 11.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8291, 59.9212] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 75,
    "stn_id": "MS4",
    "water_depth": 109,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1918",
    "depth": 40.0,
    "PO4": 1.23,
    "SiOH4": 17.21,
    "NO3_NO2": 16.12,
    "NO2": 0.18,
    "NH4": 0.9,
    "NO3": 15.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8291, 59.9212] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 75,
    "stn_id": "MS4",
    "water_depth": 109,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1918",
    "depth": 50.0,
    "PO4": 1.42,
    "SiOH4": 20.67,
    "NO3_NO2": 19.62,
    "NO2": 0.15,
    "NH4": 0.8,
    "NO3": 19.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8291, 59.9212] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 75,
    "stn_id": "MS4",
    "water_depth": 109,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1918",
    "depth": 75.0,
    "PO4": 1.84,
    "SiOH4": 31.3,
    "NO3_NO2": 27.12,
    "NO2": 0.08,
    "NH4": 0.64,
    "NO3": 27.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8291, 59.9212] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 75,
    "stn_id": "MS4",
    "water_depth": 109,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "1918",
    "depth": 110.0,
    "PO4": 2.11,
    "SiOH4": 38.87,
    "NO3_NO2": 31.95,
    "NO2": 0.07,
    "NH4": 0.86,
    "NO3": 31.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9885, 60.2777] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 76,
    "stn_id": "KIP2",
    "water_depth": 580,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "2147",
    "depth": 2.0,
    "PO4": 0.05,
    "SiOH4": 2.71,
    "NO3_NO2": 1.34,
    "NO2": 0.05,
    "NH4": 0.54,
    "NO3": 1.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9885, 60.2777] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 76,
    "stn_id": "KIP2",
    "water_depth": 580,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "2147",
    "depth": 9.0,
    "PO4": 0.42,
    "SiOH4": 7.47,
    "NO3_NO2": 5.85,
    "NO2": 0.14,
    "NH4": 0.67,
    "NO3": 5.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9885, 60.2777] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 76,
    "stn_id": "KIP2",
    "water_depth": 580,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "2147",
    "depth": 19.0,
    "PO4": 1.1,
    "SiOH4": 16.87,
    "NO3_NO2": 15.37,
    "NO2": 0.26,
    "NH4": 0.72,
    "NO3": 15.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9885, 60.2777] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 76,
    "stn_id": "KIP2",
    "water_depth": 580,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "2147",
    "depth": 29.0,
    "PO4": 1.48,
    "SiOH4": 22.98,
    "NO3_NO2": 21.21,
    "NO2": 0.16,
    "NH4": 0.53,
    "NO3": 21.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9885, 60.2777] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 76,
    "stn_id": "KIP2",
    "water_depth": 580,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "2147",
    "depth": 39.0,
    "PO4": 1.6,
    "SiOH4": 24.86,
    "NO3_NO2": 23.37,
    "NO2": 0.06,
    "NH4": 0.69,
    "NO3": 23.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9885, 60.2777] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 76,
    "stn_id": "KIP2",
    "water_depth": 580,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "2147",
    "depth": 49.0,
    "PO4": 1.72,
    "SiOH4": 26.98,
    "NO3_NO2": 25.72,
    "NO2": 0.06,
    "NH4": 0.47,
    "NO3": 25.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9885, 60.2777] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 76,
    "stn_id": "KIP2",
    "water_depth": 580,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "2147",
    "depth": 75.0,
    "PO4": 1.95,
    "SiOH4": 32.56,
    "NO3_NO2": 29.79,
    "NO2": 0.03,
    "NH4": 0.66,
    "NO3": 29.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9885, 60.2777] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 76,
    "stn_id": "KIP2",
    "water_depth": 580,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "2147",
    "depth": 99.0,
    "PO4": 2.0,
    "SiOH4": 34.57,
    "NO3_NO2": 31.95,
    "NO2": 0.03,
    "NH4": 0.77,
    "NO3": 31.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9885, 60.2777] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 76,
    "stn_id": "KIP2",
    "water_depth": 580,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "2147",
    "depth": 248.0,
    "PO4": 2.16,
    "SiOH4": 38.62,
    "NO3_NO2": 35.7,
    "NO2": 0.03,
    "NH4": 0.87,
    "NO3": 35.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9885, 60.2777] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 76,
    "stn_id": "KIP2",
    "water_depth": 580,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "2147",
    "depth": 349.0,
    "PO4": 2.23,
    "SiOH4": 37.16,
    "NO3_NO2": 33.36,
    "NO2": 0.03,
    "NH4": 0.77,
    "NO3": 33.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.989, 60.2778] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 77,
    "stn_id": "KIP2",
    "water_depth": 580,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "2213",
    "depth": 2.0,
    "PO4": 0.16,
    "SiOH4": 0.53,
    "NO3_NO2": 0.13,
    "NO2": 0.02,
    "NH4": 0.81,
    "NO3": 0.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.989, 60.2778] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 77,
    "stn_id": "KIP2",
    "water_depth": 580,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "2213",
    "depth": 5.0,
    "PO4": 0.2,
    "SiOH4": 1.12,
    "NO3_NO2": 0.58,
    "NO2": 0.02,
    "NH4": 0.68,
    "NO3": 0.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.989, 60.2778] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 77,
    "stn_id": "KIP2",
    "water_depth": 580,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "2213",
    "depth": 9.0,
    "PO4": 0.37,
    "SiOH4": 3.83,
    "NO3_NO2": 3.0,
    "NO2": 0.07,
    "NH4": 0.64,
    "NO3": 2.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.989, 60.2778] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 77,
    "stn_id": "KIP2",
    "water_depth": 580,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "2213",
    "depth": 16.0,
    "PO4": 0.85,
    "SiOH4": 9.35,
    "NO3_NO2": 9.66,
    "NO2": 0.18,
    "NH4": 0.86,
    "NO3": 9.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.989, 60.2778] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 77,
    "stn_id": "KIP2",
    "water_depth": 580,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "2213",
    "depth": 22.0,
    "PO4": 1.08,
    "SiOH4": 13.12,
    "NO3_NO2": 12.84,
    "NO2": 0.23,
    "NH4": 0.58,
    "NO3": 12.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.989, 60.2778] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 77,
    "stn_id": "KIP2",
    "water_depth": 580,
    "month_gmt": "8",
    "day_gmt": "20",
    "time_gmt": "2213",
    "depth": 34.0,
    "PO4": 1.57,
    "SiOH4": 21.87,
    "NO3_NO2": 21.09,
    "NO2": 0.18,
    "NH4": null,
    "NO3": 20.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7004, 60.1927] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 78,
    "stn_id": "HB1",
    "water_depth": 250,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0127",
    "depth": 2.0,
    "PO4": 0.06,
    "SiOH4": 0.65,
    "NO3_NO2": 0.63,
    "NO2": 0.07,
    "NH4": 0.44,
    "NO3": 0.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7004, 60.1927] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 78,
    "stn_id": "HB1",
    "water_depth": 250,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0127",
    "depth": 10.0,
    "PO4": 0.17,
    "SiOH4": 2.27,
    "NO3_NO2": 1.68,
    "NO2": 0.1,
    "NH4": 0.43,
    "NO3": 1.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7004, 60.1927] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 78,
    "stn_id": "HB1",
    "water_depth": 250,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0127",
    "depth": 19.0,
    "PO4": 0.54,
    "SiOH4": 7.36,
    "NO3_NO2": 6.84,
    "NO2": 0.17,
    "NH4": 0.67,
    "NO3": 6.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7004, 60.1927] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 78,
    "stn_id": "HB1",
    "water_depth": 250,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0127",
    "depth": 29.0,
    "PO4": 1.07,
    "SiOH4": 15.16,
    "NO3_NO2": 16.2,
    "NO2": 0.17,
    "NH4": 0.39,
    "NO3": 16.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7004, 60.1927] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 78,
    "stn_id": "HB1",
    "water_depth": 250,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0127",
    "depth": 40.0,
    "PO4": 1.45,
    "SiOH4": 21.74,
    "NO3_NO2": 23.11,
    "NO2": 0.1,
    "NH4": 0.25,
    "NO3": 23.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7004, 60.1927] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 78,
    "stn_id": "HB1",
    "water_depth": 250,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0127",
    "depth": 50.0,
    "PO4": 1.64,
    "SiOH4": 25.87,
    "NO3_NO2": 26.53,
    "NO2": 0.05,
    "NH4": 0.26,
    "NO3": 26.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7004, 60.1927] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 78,
    "stn_id": "HB1",
    "water_depth": 250,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0127",
    "depth": 74.0,
    "PO4": 1.79,
    "SiOH4": 29.67,
    "NO3_NO2": 29.74,
    "NO2": 0.05,
    "NH4": 0.31,
    "NO3": 29.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7004, 60.1927] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 78,
    "stn_id": "HB1",
    "water_depth": 250,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0127",
    "depth": 100.0,
    "PO4": 1.86,
    "SiOH4": 31.07,
    "NO3_NO2": 30.72,
    "NO2": 0.05,
    "NH4": 0.24,
    "NO3": 30.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7004, 60.1927] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 78,
    "stn_id": "HB1",
    "water_depth": 250,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0127",
    "depth": 150.0,
    "PO4": 2.1,
    "SiOH4": 38.02,
    "NO3_NO2": 35.18,
    "NO2": 0.05,
    "NH4": 0.29,
    "NO3": 35.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7004, 60.1927] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 78,
    "stn_id": "HB1",
    "water_depth": 250,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0127",
    "depth": 199.0,
    "PO4": 2.12,
    "SiOH4": 38.47,
    "NO3_NO2": 35.53,
    "NO2": 0.07,
    "NH4": 0.3,
    "NO3": 35.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7004, 60.1927] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 78,
    "stn_id": "HB1",
    "water_depth": 250,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0127",
    "depth": 246.0,
    "PO4": 2.17,
    "SiOH4": 39.97,
    "NO3_NO2": 35.95,
    "NO2": 0.12,
    "NH4": 0.27,
    "NO3": 35.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6411, 60.1811] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 79,
    "stn_id": "HB2",
    "water_depth": 180,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0157",
    "depth": 2.0,
    "PO4": 0.18,
    "SiOH4": 2.36,
    "NO3_NO2": 1.26,
    "NO2": 0.05,
    "NH4": 0.31,
    "NO3": 1.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6411, 60.1811] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 79,
    "stn_id": "HB2",
    "water_depth": 180,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0157",
    "depth": 10.0,
    "PO4": 0.51,
    "SiOH4": 6.81,
    "NO3_NO2": 6.0,
    "NO2": 0.17,
    "NH4": 0.57,
    "NO3": 5.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6411, 60.1811] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 79,
    "stn_id": "HB2",
    "water_depth": 180,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0157",
    "depth": 21.0,
    "PO4": 0.66,
    "SiOH4": 8.0,
    "NO3_NO2": 7.75,
    "NO2": 0.22,
    "NH4": 0.51,
    "NO3": 7.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6411, 60.1811] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 79,
    "stn_id": "HB2",
    "water_depth": 180,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0157",
    "depth": 31.0,
    "PO4": 1.02,
    "SiOH4": 13.51,
    "NO3_NO2": 15.01,
    "NO2": 0.27,
    "NH4": 0.42,
    "NO3": 14.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6411, 60.1811] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 79,
    "stn_id": "HB2",
    "water_depth": 180,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0157",
    "depth": 41.0,
    "PO4": 1.34,
    "SiOH4": 18.49,
    "NO3_NO2": 20.73,
    "NO2": 0.22,
    "NH4": 0.3,
    "NO3": 20.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6411, 60.1811] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 79,
    "stn_id": "HB2",
    "water_depth": 180,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0157",
    "depth": 51.0,
    "PO4": 1.63,
    "SiOH4": 24.48,
    "NO3_NO2": 25.9,
    "NO2": 0.1,
    "NH4": 0.42,
    "NO3": 25.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6411, 60.1811] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 79,
    "stn_id": "HB2",
    "water_depth": 180,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0157",
    "depth": 76.0,
    "PO4": 1.89,
    "SiOH4": 31.32,
    "NO3_NO2": 31.07,
    "NO2": 0.07,
    "NH4": 0.52,
    "NO3": 30.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6411, 60.1811] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 79,
    "stn_id": "HB2",
    "water_depth": 180,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0157",
    "depth": 100.0,
    "PO4": 2.08,
    "SiOH4": 35.98,
    "NO3_NO2": 34.42,
    "NO2": 0.1,
    "NH4": 0.4,
    "NO3": 34.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6411, 60.1811] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 79,
    "stn_id": "HB2",
    "water_depth": 180,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0157",
    "depth": 141.0,
    "PO4": 2.15,
    "SiOH4": 37.06,
    "NO3_NO2": 35.53,
    "NO2": 0.12,
    "NH4": 0.34,
    "NO3": 35.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6411, 60.1811] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 79,
    "stn_id": "HB2",
    "water_depth": 180,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0157",
    "depth": 183.0,
    "PO4": 2.15,
    "SiOH4": 37.61,
    "NO3_NO2": 35.53,
    "NO2": 0.15,
    "NH4": 0.62,
    "NO3": 35.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5737, 60.1656] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 80,
    "stn_id": "HB3",
    "water_depth": 87,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0226",
    "depth": 2.0,
    "PO4": 0.05,
    "SiOH4": 0.79,
    "NO3_NO2": 0.35,
    "NO2": 0.0,
    "NH4": 0.47,
    "NO3": 0.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5737, 60.1656] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 80,
    "stn_id": "HB3",
    "water_depth": 87,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0226",
    "depth": 11.0,
    "PO4": 0.28,
    "SiOH4": 2.97,
    "NO3_NO2": 2.58,
    "NO2": 0.1,
    "NH4": 0.52,
    "NO3": 2.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5737, 60.1656] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 80,
    "stn_id": "HB3",
    "water_depth": 87,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0226",
    "depth": 21.0,
    "PO4": 0.81,
    "SiOH4": 9.74,
    "NO3_NO2": 9.84,
    "NO2": 0.22,
    "NH4": 0.73,
    "NO3": 9.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5737, 60.1656] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 80,
    "stn_id": "HB3",
    "water_depth": 87,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0226",
    "depth": 31.0,
    "PO4": 1.0,
    "SiOH4": 12.89,
    "NO3_NO2": 13.33,
    "NO2": 0.27,
    "NH4": 0.8,
    "NO3": 13.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5737, 60.1656] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 80,
    "stn_id": "HB3",
    "water_depth": 87,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0226",
    "depth": 41.0,
    "PO4": 1.19,
    "SiOH4": 15.92,
    "NO3_NO2": 16.61,
    "NO2": 0.24,
    "NH4": 0.58,
    "NO3": 16.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5737, 60.1656] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 80,
    "stn_id": "HB3",
    "water_depth": 87,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0226",
    "depth": 51.0,
    "PO4": 1.65,
    "SiOH4": 24.24,
    "NO3_NO2": 24.22,
    "NO2": 0.17,
    "NH4": 0.6,
    "NO3": 24.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5737, 60.1656] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 80,
    "stn_id": "HB3",
    "water_depth": 87,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0226",
    "depth": 71.0,
    "PO4": 1.9,
    "SiOH4": 30.58,
    "NO3_NO2": 29.18,
    "NO2": 0.15,
    "NH4": 0.55,
    "NO3": 29.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5737, 60.1656] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 80,
    "stn_id": "HB3",
    "water_depth": 87,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0226",
    "depth": 84.0,
    "PO4": 1.92,
    "SiOH4": 31.11,
    "NO3_NO2": 29.81,
    "NO2": 0.17,
    "NH4": 0.59,
    "NO3": 29.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5035, 60.1489] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 81,
    "stn_id": "HB4",
    "water_depth": 106,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0252",
    "depth": 2.0,
    "PO4": 0.18,
    "SiOH4": 0.74,
    "NO3_NO2": 0.35,
    "NO2": 0.02,
    "NH4": 0.43,
    "NO3": 0.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5035, 60.1489] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 81,
    "stn_id": "HB4",
    "water_depth": 106,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0252",
    "depth": 10.0,
    "PO4": 0.31,
    "SiOH4": 2.33,
    "NO3_NO2": 1.05,
    "NO2": 0.07,
    "NH4": 0.58,
    "NO3": 0.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5035, 60.1489] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 81,
    "stn_id": "HB4",
    "water_depth": 106,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0252",
    "depth": 20.0,
    "PO4": 0.52,
    "SiOH4": 5.74,
    "NO3_NO2": 4.82,
    "NO2": 0.17,
    "NH4": 0.76,
    "NO3": 4.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5035, 60.1489] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 81,
    "stn_id": "HB4",
    "water_depth": 106,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0252",
    "depth": 30.0,
    "PO4": 0.79,
    "SiOH4": 9.73,
    "NO3_NO2": 10.05,
    "NO2": 0.24,
    "NH4": 0.81,
    "NO3": 9.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5035, 60.1489] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 81,
    "stn_id": "HB4",
    "water_depth": 106,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0252",
    "depth": 40.0,
    "PO4": 1.39,
    "SiOH4": 21.09,
    "NO3_NO2": 20.87,
    "NO2": 0.24,
    "NH4": 0.56,
    "NO3": 20.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5035, 60.1489] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 81,
    "stn_id": "HB4",
    "water_depth": 106,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0252",
    "depth": 50.0,
    "PO4": 1.83,
    "SiOH4": 31.49,
    "NO3_NO2": 29.25,
    "NO2": 0.19,
    "NH4": 0.64,
    "NO3": 29.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5035, 60.1489] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 81,
    "stn_id": "HB4",
    "water_depth": 106,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0252",
    "depth": 75.0,
    "PO4": 2.07,
    "SiOH4": 36.29,
    "NO3_NO2": 33.44,
    "NO2": 0.19,
    "NH4": 0.66,
    "NO3": 33.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5035, 60.1489] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 81,
    "stn_id": "HB4",
    "water_depth": 106,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0252",
    "depth": 106.0,
    "PO4": 2.2,
    "SiOH4": 38.42,
    "NO3_NO2": 34.49,
    "NO2": 0.22,
    "NH4": 2.73,
    "NO3": 34.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4469, 60.1325] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 82,
    "stn_id": "HB5",
    "water_depth": 40,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0314",
    "depth": 2.0,
    "PO4": 0.14,
    "SiOH4": 1.1,
    "NO3_NO2": 0.21,
    "NO2": 0.07,
    "NH4": 0.78,
    "NO3": 0.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4469, 60.1325] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 82,
    "stn_id": "HB5",
    "water_depth": 40,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0314",
    "depth": 11.0,
    "PO4": 0.34,
    "SiOH4": 3.6,
    "NO3_NO2": 2.3,
    "NO2": 0.12,
    "NH4": 1.01,
    "NO3": 2.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4469, 60.1325] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 82,
    "stn_id": "HB5",
    "water_depth": 40,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0314",
    "depth": 20.0,
    "PO4": 0.58,
    "SiOH4": 7.55,
    "NO3_NO2": 6.35,
    "NO2": 0.22,
    "NH4": 1.14,
    "NO3": 6.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4469, 60.1325] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 82,
    "stn_id": "HB5",
    "water_depth": 40,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0314",
    "depth": 31.0,
    "PO4": 0.73,
    "SiOH4": 9.94,
    "NO3_NO2": 8.87,
    "NO2": 0.22,
    "NH4": 1.05,
    "NO3": 8.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4469, 60.1325] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 82,
    "stn_id": "HB5",
    "water_depth": 40,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "0314",
    "depth": 40.0,
    "PO4": 0.77,
    "SiOH4": 10.25,
    "NO3_NO2": 9.49,
    "NO2": 0.24,
    "NH4": 1.07,
    "NO3": 9.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0751, 59.1844] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 83,
    "stn_id": "AHC10",
    "water_depth": 661,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "1940",
    "depth": 1.0,
    "PO4": 0.33,
    "SiOH4": 5.91,
    "NO3_NO2": 0.62,
    "NO2": 0.07,
    "NH4": 0.64,
    "NO3": 0.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0751, 59.1844] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 83,
    "stn_id": "AHC10",
    "water_depth": 661,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "1940",
    "depth": 10.0,
    "PO4": 0.43,
    "SiOH4": 6.94,
    "NO3_NO2": 1.95,
    "NO2": 0.12,
    "NH4": 0.46,
    "NO3": 1.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0751, 59.1844] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 83,
    "stn_id": "AHC10",
    "water_depth": 661,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "1940",
    "depth": 21.0,
    "PO4": 1.01,
    "SiOH4": 14.22,
    "NO3_NO2": 12.76,
    "NO2": 0.19,
    "NH4": 0.55,
    "NO3": 12.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0751, 59.1844] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 83,
    "stn_id": "AHC10",
    "water_depth": 661,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "1940",
    "depth": 30.0,
    "PO4": 1.14,
    "SiOH4": 15.09,
    "NO3_NO2": 15.9,
    "NO2": 0.17,
    "NH4": 0.43,
    "NO3": 15.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0751, 59.1844] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 83,
    "stn_id": "AHC10",
    "water_depth": 661,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "1940",
    "depth": 40.0,
    "PO4": 1.28,
    "SiOH4": 15.85,
    "NO3_NO2": 18.76,
    "NO2": 0.16,
    "NH4": 0.36,
    "NO3": 18.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0751, 59.1844] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 83,
    "stn_id": "AHC10",
    "water_depth": 661,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "1940",
    "depth": 51.0,
    "PO4": 1.36,
    "SiOH4": 18.06,
    "NO3_NO2": 22.53,
    "NO2": 0.09,
    "NH4": 0.24,
    "NO3": 22.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0751, 59.1844] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 83,
    "stn_id": "AHC10",
    "water_depth": 661,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "1940",
    "depth": 75.0,
    "PO4": 1.52,
    "SiOH4": 19.41,
    "NO3_NO2": 24.2,
    "NO2": 0.09,
    "NH4": 0.36,
    "NO3": 24.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0751, 59.1844] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 83,
    "stn_id": "AHC10",
    "water_depth": 661,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "1940",
    "depth": 99.0,
    "PO4": 1.68,
    "SiOH4": 24.13,
    "NO3_NO2": 28.39,
    "NO2": 0.09,
    "NH4": 0.74,
    "NO3": 28.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0751, 59.1844] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 83,
    "stn_id": "AHC10",
    "water_depth": 661,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "1940",
    "depth": 251.0,
    "PO4": 2.75,
    "SiOH4": null,
    "NO3_NO2": 37.74,
    "NO2": 0.09,
    "NH4": 0.67,
    "NO3": 37.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0751, 59.1844] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 83,
    "stn_id": "AHC10",
    "water_depth": 661,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "1940",
    "depth": 501.0,
    "PO4": 3.36,
    "SiOH4": null,
    "NO3_NO2": 48.77,
    "NO2": 0.06,
    "NH4": 0.95,
    "NO3": 48.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0751, 59.1844] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 83,
    "stn_id": "AHC10",
    "water_depth": 661,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "1940",
    "depth": 657.0,
    "PO4": 3.51,
    "SiOH4": null,
    "NO3_NO2": 49.95,
    "NO2": 0.06,
    "NH4": 0.8,
    "NO3": 49.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0738, 59.2342] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 84,
    "stn_id": "XHCL6",
    "water_depth": 235,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2039",
    "depth": 2.0,
    "PO4": 0.26,
    "SiOH4": 5.04,
    "NO3_NO2": 0.59,
    "NO2": 0.06,
    "NH4": 0.97,
    "NO3": 0.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0738, 59.2342] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 84,
    "stn_id": "XHCL6",
    "water_depth": 235,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2039",
    "depth": 9.0,
    "PO4": 0.39,
    "SiOH4": 6.5,
    "NO3_NO2": 2.62,
    "NO2": 0.08,
    "NH4": 0.91,
    "NO3": 2.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0738, 59.2342] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 84,
    "stn_id": "XHCL6",
    "water_depth": 235,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2039",
    "depth": 20.0,
    "PO4": 1.17,
    "SiOH4": 15.49,
    "NO3_NO2": 17.55,
    "NO2": 0.2,
    "NH4": 0.73,
    "NO3": 17.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0738, 59.2342] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 84,
    "stn_id": "XHCL6",
    "water_depth": 235,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2039",
    "depth": 31.0,
    "PO4": 1.35,
    "SiOH4": 16.31,
    "NO3_NO2": 19.57,
    "NO2": 0.18,
    "NH4": 0.63,
    "NO3": 19.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0738, 59.2342] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 84,
    "stn_id": "XHCL6",
    "water_depth": 235,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2039",
    "depth": 41.0,
    "PO4": 1.36,
    "SiOH4": 16.11,
    "NO3_NO2": 20.13,
    "NO2": 0.15,
    "NH4": 0.89,
    "NO3": 19.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0738, 59.2342] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 84,
    "stn_id": "XHCL6",
    "water_depth": 235,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2039",
    "depth": 51.0,
    "PO4": 1.44,
    "SiOH4": 18.37,
    "NO3_NO2": 22.85,
    "NO2": 0.1,
    "NH4": 0.84,
    "NO3": 22.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0738, 59.2342] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 84,
    "stn_id": "XHCL6",
    "water_depth": 235,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2039",
    "depth": 73.0,
    "PO4": 1.51,
    "SiOH4": 20.58,
    "NO3_NO2": 25.22,
    "NO2": 0.1,
    "NH4": 0.8,
    "NO3": 25.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0738, 59.2342] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 84,
    "stn_id": "XHCL6",
    "water_depth": 235,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2039",
    "depth": 100.0,
    "PO4": 1.75,
    "SiOH4": 25.93,
    "NO3_NO2": 29.96,
    "NO2": 0.15,
    "NH4": 0.97,
    "NO3": 29.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0738, 59.2342] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 84,
    "stn_id": "XHCL6",
    "water_depth": 235,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2039",
    "depth": 200.0,
    "PO4": 2.33,
    "SiOH4": 40.36,
    "NO3_NO2": 43.02,
    "NO2": 0.13,
    "NH4": 1.2,
    "NO3": 42.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0738, 59.2342] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 84,
    "stn_id": "XHCL6",
    "water_depth": 235,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2039",
    "depth": 232.0,
    "PO4": 1.97,
    "SiOH4": 32.91,
    "NO3_NO2": 36.73,
    "NO2": 0.17,
    "NH4": 0.97,
    "NO3": 36.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0766, 59.299] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 85,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2124",
    "depth": 2.0,
    "PO4": 0.19,
    "SiOH4": 4.75,
    "NO3_NO2": 0.27,
    "NO2": 0.0,
    "NH4": 1.29,
    "NO3": 0.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0766, 59.299] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 85,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2124",
    "depth": 10.0,
    "PO4": 0.33,
    "SiOH4": 5.51,
    "NO3_NO2": 0.62,
    "NO2": 0.02,
    "NH4": 1.54,
    "NO3": 0.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0766, 59.299] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 85,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2124",
    "depth": 20.0,
    "PO4": 0.83,
    "SiOH4": 11.65,
    "NO3_NO2": 8.64,
    "NO2": 0.07,
    "NH4": 1.55,
    "NO3": 8.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0766, 59.299] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 85,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2124",
    "depth": 30.0,
    "PO4": 1.2,
    "SiOH4": 15.23,
    "NO3_NO2": 17.78,
    "NO2": 0.11,
    "NH4": 1.93,
    "NO3": 17.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0766, 59.299] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 85,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2124",
    "depth": 40.0,
    "PO4": 1.57,
    "SiOH4": 19.18,
    "NO3_NO2": 24.75,
    "NO2": 0.06,
    "NH4": 2.18,
    "NO3": 24.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0766, 59.299] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 85,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2124",
    "depth": 51.0,
    "PO4": 1.59,
    "SiOH4": 20.57,
    "NO3_NO2": 25.66,
    "NO2": 0.06,
    "NH4": 1.7,
    "NO3": 25.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0766, 59.299] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 85,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2124",
    "depth": 74.0,
    "PO4": 1.64,
    "SiOH4": 21.17,
    "NO3_NO2": 26.35,
    "NO2": 0.06,
    "NH4": 1.95,
    "NO3": 26.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0766, 59.299] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 85,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2124",
    "depth": 102.0,
    "PO4": 1.66,
    "SiOH4": 21.81,
    "NO3_NO2": 26.97,
    "NO2": 0.06,
    "NH4": 1.69,
    "NO3": 26.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0766, 59.299] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 85,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2124",
    "depth": 122.0,
    "PO4": 1.73,
    "SiOH4": 23.95,
    "NO3_NO2": 29.34,
    "NO2": 0.05,
    "NH4": 1.67,
    "NO3": 29.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0766, 59.299] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 85,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2124",
    "depth": 150.0,
    "PO4": 2.05,
    "SiOH4": 30.89,
    "NO3_NO2": 35.75,
    "NO2": 0.1,
    "NH4": 1.57,
    "NO3": 35.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0766, 59.299] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 85,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2124",
    "depth": 195.0,
    "PO4": 2.31,
    "SiOH4": 36.82,
    "NO3_NO2": 41.19,
    "NO2": 0.12,
    "NH4": 1.82,
    "NO3": 41.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0782, 59.4003] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 86,
    "stn_id": "AHC8",
    "water_depth": 205,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2221",
    "depth": 1.0,
    "PO4": 0.2,
    "SiOH4": 3.31,
    "NO3_NO2": 0.21,
    "NO2": 0.02,
    "NH4": 1.51,
    "NO3": 0.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0782, 59.4003] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 86,
    "stn_id": "AHC8",
    "water_depth": 205,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2221",
    "depth": 10.0,
    "PO4": 0.3,
    "SiOH4": 4.97,
    "NO3_NO2": 0.69,
    "NO2": 0.07,
    "NH4": 1.38,
    "NO3": 0.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0782, 59.4003] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 86,
    "stn_id": "AHC8",
    "water_depth": 205,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2221",
    "depth": 19.0,
    "PO4": 0.66,
    "SiOH4": 8.98,
    "NO3_NO2": 6.34,
    "NO2": 0.17,
    "NH4": 1.34,
    "NO3": 6.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0782, 59.4003] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 86,
    "stn_id": "AHC8",
    "water_depth": 205,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2221",
    "depth": 29.0,
    "PO4": 1.08,
    "SiOH4": 13.04,
    "NO3_NO2": 14.85,
    "NO2": 0.29,
    "NH4": 1.56,
    "NO3": 14.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0782, 59.4003] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 86,
    "stn_id": "AHC8",
    "water_depth": 205,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2221",
    "depth": 39.0,
    "PO4": 1.55,
    "SiOH4": 19.55,
    "NO3_NO2": 24.76,
    "NO2": 0.14,
    "NH4": 1.65,
    "NO3": 24.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0782, 59.4003] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 86,
    "stn_id": "AHC8",
    "water_depth": 205,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2221",
    "depth": 50.0,
    "PO4": 1.49,
    "SiOH4": 17.37,
    "NO3_NO2": 23.22,
    "NO2": 0.14,
    "NH4": 1.71,
    "NO3": 23.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0782, 59.4003] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 86,
    "stn_id": "AHC8",
    "water_depth": 205,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2221",
    "depth": 75.0,
    "PO4": 1.59,
    "SiOH4": 20.89,
    "NO3_NO2": 26.0,
    "NO2": 0.04,
    "NH4": 1.4,
    "NO3": 25.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0782, 59.4003] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 86,
    "stn_id": "AHC8",
    "water_depth": 205,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2221",
    "depth": 101.0,
    "PO4": 1.65,
    "SiOH4": 22.5,
    "NO3_NO2": 27.25,
    "NO2": 0.01,
    "NH4": 1.56,
    "NO3": 27.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0782, 59.4003] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 86,
    "stn_id": "AHC8",
    "water_depth": 205,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2221",
    "depth": 125.0,
    "PO4": 1.77,
    "SiOH4": 25.07,
    "NO3_NO2": 29.2,
    "NO2": 0.06,
    "NH4": 1.68,
    "NO3": 29.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0782, 59.4003] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 86,
    "stn_id": "AHC8",
    "water_depth": 205,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2221",
    "depth": 150.0,
    "PO4": 2.05,
    "SiOH4": 31.9,
    "NO3_NO2": 35.9,
    "NO2": 0.08,
    "NH4": 1.39,
    "NO3": 35.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0782, 59.4003] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 86,
    "stn_id": "AHC8",
    "water_depth": 205,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2221",
    "depth": 177.0,
    "PO4": 2.23,
    "SiOH4": 36.98,
    "NO3_NO2": 39.38,
    "NO2": 0.08,
    "NH4": 1.27,
    "NO3": 39.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0782, 59.4003] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 86,
    "stn_id": "AHC8",
    "water_depth": 205,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2221",
    "depth": 205.0,
    "PO4": 2.57,
    "SiOH4": 45.41,
    "NO3_NO2": 46.15,
    "NO2": 0.08,
    "NH4": 1.43,
    "NO3": 46.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0774, 59.5003] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 87,
    "stn_id": "AHC7",
    "water_depth": 221,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2314",
    "depth": 1.0,
    "PO4": 0.2,
    "SiOH4": 5.37,
    "NO3_NO2": 0.53,
    "NO2": 0.05,
    "NH4": 1.08,
    "NO3": 0.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0774, 59.5003] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 87,
    "stn_id": "AHC7",
    "water_depth": 221,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2314",
    "depth": 10.0,
    "PO4": 0.48,
    "SiOH4": 8.01,
    "NO3_NO2": 3.25,
    "NO2": 0.16,
    "NH4": 1.12,
    "NO3": 3.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0774, 59.5003] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 87,
    "stn_id": "AHC7",
    "water_depth": 221,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2314",
    "depth": 20.0,
    "PO4": 0.61,
    "SiOH4": 8.41,
    "NO3_NO2": 3.99,
    "NO2": 0.14,
    "NH4": 1.23,
    "NO3": 3.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0774, 59.5003] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 87,
    "stn_id": "AHC7",
    "water_depth": 221,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2314",
    "depth": 31.0,
    "PO4": 1.38,
    "SiOH4": 17.26,
    "NO3_NO2": 18.27,
    "NO2": 0.23,
    "NH4": 1.44,
    "NO3": 18.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0774, 59.5003] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 87,
    "stn_id": "AHC7",
    "water_depth": 221,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2314",
    "depth": 40.0,
    "PO4": 1.53,
    "SiOH4": 19.43,
    "NO3_NO2": 21.33,
    "NO2": 0.16,
    "NH4": 1.3,
    "NO3": 21.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0774, 59.5003] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 87,
    "stn_id": "AHC7",
    "water_depth": 221,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2314",
    "depth": 50.0,
    "PO4": 1.6,
    "SiOH4": 20.3,
    "NO3_NO2": 22.27,
    "NO2": 0.1,
    "NH4": 0.93,
    "NO3": 22.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0774, 59.5003] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 87,
    "stn_id": "AHC7",
    "water_depth": 221,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2314",
    "depth": 75.0,
    "PO4": 1.62,
    "SiOH4": 20.88,
    "NO3_NO2": 22.81,
    "NO2": 0.1,
    "NH4": 0.56,
    "NO3": 22.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0774, 59.5003] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 87,
    "stn_id": "AHC7",
    "water_depth": 221,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2314",
    "depth": 100.0,
    "PO4": 1.66,
    "SiOH4": 22.64,
    "NO3_NO2": 24.03,
    "NO2": 0.07,
    "NH4": 0.57,
    "NO3": 23.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0774, 59.5003] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 87,
    "stn_id": "AHC7",
    "water_depth": 221,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2314",
    "depth": 125.0,
    "PO4": 1.82,
    "SiOH4": 26.52,
    "NO3_NO2": 26.95,
    "NO2": 0.07,
    "NH4": 0.34,
    "NO3": 26.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0774, 59.5003] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 87,
    "stn_id": "AHC7",
    "water_depth": 221,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2314",
    "depth": 151.0,
    "PO4": 2.1,
    "SiOH4": 34.25,
    "NO3_NO2": 32.61,
    "NO2": 0.04,
    "NH4": 0.29,
    "NO3": 32.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0774, 59.5003] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 87,
    "stn_id": "AHC7",
    "water_depth": 221,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2314",
    "depth": 173.0,
    "PO4": 2.42,
    "SiOH4": 43.76,
    "NO3_NO2": 37.79,
    "NO2": 0.04,
    "NH4": 0.09,
    "NO3": 37.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0774, 59.5003] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 87,
    "stn_id": "AHC7",
    "water_depth": 221,
    "month_gmt": "8",
    "day_gmt": "21",
    "time_gmt": "2314",
    "depth": 220.0,
    "PO4": 2.67,
    "SiOH4": 50.25,
    "NO3_NO2": 44.62,
    "NO2": 0.11,
    "NH4": 0.1,
    "NO3": 44.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0766, 59.6032] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 88,
    "stn_id": "AHC6",
    "water_depth": 208,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0006",
    "depth": 2.0,
    "PO4": 0.28,
    "SiOH4": 7.12,
    "NO3_NO2": 0.03,
    "NO2": 0.03,
    "NH4": 0.02,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0766, 59.6032] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 88,
    "stn_id": "AHC6",
    "water_depth": 208,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0006",
    "depth": 10.0,
    "PO4": 0.43,
    "SiOH4": 8.52,
    "NO3_NO2": 1.24,
    "NO2": 0.08,
    "NH4": 0.05,
    "NO3": 1.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0766, 59.6032] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 88,
    "stn_id": "AHC6",
    "water_depth": 208,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0006",
    "depth": 21.0,
    "PO4": 0.81,
    "SiOH4": 11.76,
    "NO3_NO2": 7.93,
    "NO2": 0.2,
    "NH4": 0.08,
    "NO3": 7.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0766, 59.6032] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 88,
    "stn_id": "AHC6",
    "water_depth": 208,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0006",
    "depth": 29.0,
    "PO4": 1.24,
    "SiOH4": 16.77,
    "NO3_NO2": 16.74,
    "NO2": 0.22,
    "NH4": 0.08,
    "NO3": 16.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0766, 59.6032] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 88,
    "stn_id": "AHC6",
    "water_depth": 208,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0006",
    "depth": 41.0,
    "PO4": 1.39,
    "SiOH4": 18.35,
    "NO3_NO2": 19.53,
    "NO2": 0.12,
    "NH4": 0.03,
    "NO3": 19.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0766, 59.6032] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 88,
    "stn_id": "AHC6",
    "water_depth": 208,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0006",
    "depth": 48.0,
    "PO4": 1.43,
    "SiOH4": 19.45,
    "NO3_NO2": 21.15,
    "NO2": 0.09,
    "NH4": 0.0,
    "NO3": 21.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0766, 59.6032] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 88,
    "stn_id": "AHC6",
    "water_depth": 208,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0006",
    "depth": 74.0,
    "PO4": 1.54,
    "SiOH4": 21.69,
    "NO3_NO2": 23.53,
    "NO2": 0.02,
    "NH4": 0.01,
    "NO3": 23.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0766, 59.6032] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 88,
    "stn_id": "AHC6",
    "water_depth": 208,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0006",
    "depth": 100.0,
    "PO4": 1.65,
    "SiOH4": 25.63,
    "NO3_NO2": 26.19,
    "NO2": 0.01,
    "NH4": 0.21,
    "NO3": 26.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0766, 59.6032] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 88,
    "stn_id": "AHC6",
    "water_depth": 208,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0006",
    "depth": 127.0,
    "PO4": 1.9,
    "SiOH4": 31.77,
    "NO3_NO2": 30.89,
    "NO2": 0.06,
    "NH4": 0.27,
    "NO3": 30.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0766, 59.6032] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 88,
    "stn_id": "AHC6",
    "water_depth": 208,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0006",
    "depth": 152.0,
    "PO4": 2.03,
    "SiOH4": 35.42,
    "NO3_NO2": 34.16,
    "NO2": 0.06,
    "NH4": 0.19,
    "NO3": 34.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0766, 59.6032] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 88,
    "stn_id": "AHC6",
    "water_depth": 208,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0006",
    "depth": 175.0,
    "PO4": 2.16,
    "SiOH4": 39.24,
    "NO3_NO2": 37.43,
    "NO2": 0.05,
    "NH4": 0.33,
    "NO3": 37.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0766, 59.6032] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 88,
    "stn_id": "AHC6",
    "water_depth": 208,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0006",
    "depth": 206.0,
    "PO4": 2.52,
    "SiOH4": 48.57,
    "NO3_NO2": 43.22,
    "NO2": 0.1,
    "NH4": 0.28,
    "NO3": 43.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0761, 59.7002] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 89,
    "stn_id": "AHC5",
    "water_depth": 209,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0058",
    "depth": 2.0,
    "PO4": 0.24,
    "SiOH4": 2.01,
    "NO3_NO2": 0.37,
    "NO2": 0.02,
    "NH4": 0.33,
    "NO3": 0.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0761, 59.7002] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 89,
    "stn_id": "AHC5",
    "water_depth": 209,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0058",
    "depth": 11.0,
    "PO4": 0.31,
    "SiOH4": 2.57,
    "NO3_NO2": 0.44,
    "NO2": 0.02,
    "NH4": 0.32,
    "NO3": 0.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0761, 59.7002] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 89,
    "stn_id": "AHC5",
    "water_depth": 209,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0058",
    "depth": 20.0,
    "PO4": 0.46,
    "SiOH4": 7.21,
    "NO3_NO2": 2.45,
    "NO2": 0.07,
    "NH4": 0.47,
    "NO3": 2.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0761, 59.7002] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 89,
    "stn_id": "AHC5",
    "water_depth": 209,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0058",
    "depth": 30.0,
    "PO4": 1.01,
    "SiOH4": 13.44,
    "NO3_NO2": 13.46,
    "NO2": 0.27,
    "NH4": 0.31,
    "NO3": 13.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0761, 59.7002] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 89,
    "stn_id": "AHC5",
    "water_depth": 209,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0058",
    "depth": 40.0,
    "PO4": 1.1,
    "SiOH4": 14.53,
    "NO3_NO2": 16.43,
    "NO2": 0.19,
    "NH4": 0.44,
    "NO3": 16.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0761, 59.7002] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 89,
    "stn_id": "AHC5",
    "water_depth": 209,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0058",
    "depth": 50.0,
    "PO4": 1.41,
    "SiOH4": 19.23,
    "NO3_NO2": 23.13,
    "NO2": 0.12,
    "NH4": 0.33,
    "NO3": 23.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0761, 59.7002] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 89,
    "stn_id": "AHC5",
    "water_depth": 209,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0058",
    "depth": 75.0,
    "PO4": 1.59,
    "SiOH4": 22.81,
    "NO3_NO2": 26.48,
    "NO2": 0.1,
    "NH4": 0.34,
    "NO3": 26.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0761, 59.7002] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 89,
    "stn_id": "AHC5",
    "water_depth": 209,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0058",
    "depth": 100.0,
    "PO4": 1.71,
    "SiOH4": 25.62,
    "NO3_NO2": 28.71,
    "NO2": 0.12,
    "NH4": 0.33,
    "NO3": 28.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0761, 59.7002] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 89,
    "stn_id": "AHC5",
    "water_depth": 209,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0058",
    "depth": 125.0,
    "PO4": 1.81,
    "SiOH4": 27.71,
    "NO3_NO2": 30.79,
    "NO2": 0.12,
    "NH4": 0.34,
    "NO3": 30.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0761, 59.7002] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 89,
    "stn_id": "AHC5",
    "water_depth": 209,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0058",
    "depth": 150.0,
    "PO4": 1.84,
    "SiOH4": 29.69,
    "NO3_NO2": 32.72,
    "NO2": 0.1,
    "NH4": 0.4,
    "NO3": 32.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0761, 59.7002] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 89,
    "stn_id": "AHC5",
    "water_depth": 209,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0058",
    "depth": 175.0,
    "PO4": 1.79,
    "SiOH4": 30.13,
    "NO3_NO2": 31.68,
    "NO2": 0.1,
    "NH4": 0.42,
    "NO3": 31.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0761, 59.7002] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 89,
    "stn_id": "AHC5",
    "water_depth": 209,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0058",
    "depth": 207.0,
    "PO4": 2.48,
    "SiOH4": 48.44,
    "NO3_NO2": 46.93,
    "NO2": 0.12,
    "NH4": 0.51,
    "NO3": 46.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.075, 59.7998] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 90,
    "stn_id": "AHC4",
    "water_depth": 205,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0150",
    "depth": 2.0,
    "PO4": 0.14,
    "SiOH4": 2.51,
    "NO3_NO2": 0.03,
    "NO2": 0.02,
    "NH4": 0.52,
    "NO3": 0.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.075, 59.7998] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 90,
    "stn_id": "AHC4",
    "water_depth": 205,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0150",
    "depth": 11.0,
    "PO4": 0.23,
    "SiOH4": 3.43,
    "NO3_NO2": 0.25,
    "NO2": 0.02,
    "NH4": 0.51,
    "NO3": 0.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.075, 59.7998] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 90,
    "stn_id": "AHC4",
    "water_depth": 205,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0150",
    "depth": 20.0,
    "PO4": 0.54,
    "SiOH4": 6.59,
    "NO3_NO2": 4.35,
    "NO2": 0.15,
    "NH4": 0.66,
    "NO3": 4.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.075, 59.7998] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 90,
    "stn_id": "AHC4",
    "water_depth": 205,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0150",
    "depth": 30.0,
    "PO4": 1.08,
    "SiOH4": 13.06,
    "NO3_NO2": 15.14,
    "NO2": 0.39,
    "NH4": 0.7,
    "NO3": 14.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.075, 59.7998] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 90,
    "stn_id": "AHC4",
    "water_depth": 205,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0150",
    "depth": 41.0,
    "PO4": 1.32,
    "SiOH4": 17.76,
    "NO3_NO2": 20.94,
    "NO2": 0.39,
    "NH4": 0.4,
    "NO3": 20.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.075, 59.7998] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 90,
    "stn_id": "AHC4",
    "water_depth": 205,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0150",
    "depth": 51.0,
    "PO4": 1.46,
    "SiOH4": 19.44,
    "NO3_NO2": 23.02,
    "NO2": 0.29,
    "NH4": 0.49,
    "NO3": 22.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.075, 59.7998] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 90,
    "stn_id": "AHC4",
    "water_depth": 205,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0150",
    "depth": 77.0,
    "PO4": 1.56,
    "SiOH4": 21.42,
    "NO3_NO2": 25.25,
    "NO2": 0.1,
    "NH4": 0.47,
    "NO3": 25.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.075, 59.7998] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 90,
    "stn_id": "AHC4",
    "water_depth": 205,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0150",
    "depth": 102.0,
    "PO4": 1.63,
    "SiOH4": 22.28,
    "NO3_NO2": 26.51,
    "NO2": 0.07,
    "NH4": 0.49,
    "NO3": 26.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.075, 59.7998] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 90,
    "stn_id": "AHC4",
    "water_depth": 205,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0150",
    "depth": 126.0,
    "PO4": 1.8,
    "SiOH4": 27.69,
    "NO3_NO2": 30.61,
    "NO2": 0.07,
    "NH4": 0.5,
    "NO3": 30.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.075, 59.7998] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 90,
    "stn_id": "AHC4",
    "water_depth": 205,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0150",
    "depth": 150.0,
    "PO4": 1.85,
    "SiOH4": 29.9,
    "NO3_NO2": 32.39,
    "NO2": 0.07,
    "NH4": 0.42,
    "NO3": 32.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.075, 59.7998] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 90,
    "stn_id": "AHC4",
    "water_depth": 205,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0150",
    "depth": 175.0,
    "PO4": 2.05,
    "SiOH4": 35.67,
    "NO3_NO2": 36.78,
    "NO2": 0.07,
    "NH4": 0.58,
    "NO3": 36.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.075, 59.7998] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 90,
    "stn_id": "AHC4",
    "water_depth": 205,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0150",
    "depth": 202.0,
    "PO4": 2.49,
    "SiOH4": 50.3,
    "NO3_NO2": 46.75,
    "NO2": 0.12,
    "NH4": 0.64,
    "NO3": 46.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1366, 59.8993] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 91,
    "stn_id": "AHC3",
    "water_depth": 227,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0248",
    "depth": 1.0,
    "PO4": 0.04,
    "SiOH4": 6.77,
    "NO3_NO2": 0.07,
    "NO2": 0.02,
    "NH4": 0.34,
    "NO3": 0.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1366, 59.8993] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 91,
    "stn_id": "AHC3",
    "water_depth": 227,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0248",
    "depth": 11.0,
    "PO4": 0.39,
    "SiOH4": 5.43,
    "NO3_NO2": 4.52,
    "NO2": 0.12,
    "NH4": 0.66,
    "NO3": 4.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1366, 59.8993] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 91,
    "stn_id": "AHC3",
    "water_depth": 227,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0248",
    "depth": 21.0,
    "PO4": 0.53,
    "SiOH4": 5.46,
    "NO3_NO2": 4.14,
    "NO2": 0.12,
    "NH4": 0.97,
    "NO3": 4.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1366, 59.8993] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 91,
    "stn_id": "AHC3",
    "water_depth": 227,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0248",
    "depth": 32.0,
    "PO4": 0.86,
    "SiOH4": 9.33,
    "NO3_NO2": 10.39,
    "NO2": 0.26,
    "NH4": 0.98,
    "NO3": 10.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1366, 59.8993] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 91,
    "stn_id": "AHC3",
    "water_depth": 227,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0248",
    "depth": 43.0,
    "PO4": 1.34,
    "SiOH4": 17.22,
    "NO3_NO2": 20.28,
    "NO2": 0.38,
    "NH4": 0.69,
    "NO3": 19.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1366, 59.8993] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 91,
    "stn_id": "AHC3",
    "water_depth": 227,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0248",
    "depth": 51.0,
    "PO4": 1.53,
    "SiOH4": 20.26,
    "NO3_NO2": 24.14,
    "NO2": 0.29,
    "NH4": 0.47,
    "NO3": 23.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1366, 59.8993] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 91,
    "stn_id": "AHC3",
    "water_depth": 227,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0248",
    "depth": 72.0,
    "PO4": 1.61,
    "SiOH4": 20.82,
    "NO3_NO2": 25.4,
    "NO2": 0.11,
    "NH4": 0.7,
    "NO3": 25.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1366, 59.8993] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 91,
    "stn_id": "AHC3",
    "water_depth": 227,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0248",
    "depth": 99.0,
    "PO4": 1.67,
    "SiOH4": 22.86,
    "NO3_NO2": 26.35,
    "NO2": 0.07,
    "NH4": 0.73,
    "NO3": 26.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1366, 59.8993] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 91,
    "stn_id": "AHC3",
    "water_depth": 227,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0248",
    "depth": 125.0,
    "PO4": 1.77,
    "SiOH4": 26.49,
    "NO3_NO2": 29.99,
    "NO2": 0.02,
    "NH4": 0.82,
    "NO3": 29.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1366, 59.8993] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 91,
    "stn_id": "AHC3",
    "water_depth": 227,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0248",
    "depth": 151.0,
    "PO4": 1.79,
    "SiOH4": 29.83,
    "NO3_NO2": 32.81,
    "NO2": 0.01,
    "NH4": 0.9,
    "NO3": 32.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1366, 59.8993] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 91,
    "stn_id": "AHC3",
    "water_depth": 227,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0248",
    "depth": 177.0,
    "PO4": 2.13,
    "SiOH4": 34.47,
    "NO3_NO2": 38.16,
    "NO2": 0.09,
    "NH4": 0.82,
    "NO3": 38.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1366, 59.8993] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 91,
    "stn_id": "AHC3",
    "water_depth": 227,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0248",
    "depth": 227.0,
    "PO4": 2.57,
    "SiOH4": 44.96,
    "NO3_NO2": 46.05,
    "NO2": 0.11,
    "NH4": 0.97,
    "NO3": 45.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1376, 60.0009] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 92,
    "stn_id": "AHC2",
    "water_depth": 204,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0345",
    "depth": 2.0,
    "PO4": 0.07,
    "SiOH4": 3.18,
    "NO3_NO2": 0.03,
    "NO2": 0.01,
    "NH4": 1.0,
    "NO3": 0.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1376, 60.0009] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 92,
    "stn_id": "AHC2",
    "water_depth": 204,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0345",
    "depth": 11.0,
    "PO4": 0.21,
    "SiOH4": 1.37,
    "NO3_NO2": 0.1,
    "NO2": 0.01,
    "NH4": 1.0,
    "NO3": 0.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1376, 60.0009] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 92,
    "stn_id": "AHC2",
    "water_depth": 204,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0345",
    "depth": 21.0,
    "PO4": 0.4,
    "SiOH4": 4.0,
    "NO3_NO2": 3.66,
    "NO2": 0.11,
    "NH4": 1.0,
    "NO3": 3.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1376, 60.0009] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 92,
    "stn_id": "AHC2",
    "water_depth": 204,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0345",
    "depth": 31.0,
    "PO4": 1.02,
    "SiOH4": 12.84,
    "NO3_NO2": 14.82,
    "NO2": 0.3,
    "NH4": 0.95,
    "NO3": 14.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1376, 60.0009] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 92,
    "stn_id": "AHC2",
    "water_depth": 204,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0345",
    "depth": 41.0,
    "PO4": 1.07,
    "SiOH4": 14.04,
    "NO3_NO2": 16.22,
    "NO2": 0.18,
    "NH4": 1.01,
    "NO3": 16.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1376, 60.0009] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 92,
    "stn_id": "AHC2",
    "water_depth": 204,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0345",
    "depth": 51.0,
    "PO4": 1.49,
    "SiOH4": 20.64,
    "NO3_NO2": 24.48,
    "NO2": 0.06,
    "NH4": 0.92,
    "NO3": 24.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1376, 60.0009] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 92,
    "stn_id": "AHC2",
    "water_depth": 204,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0345",
    "depth": 75.0,
    "PO4": 1.6,
    "SiOH4": 22.2,
    "NO3_NO2": 26.26,
    "NO2": 0.01,
    "NH4": 1.01,
    "NO3": 26.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1376, 60.0009] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 92,
    "stn_id": "AHC2",
    "water_depth": 204,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0345",
    "depth": 101.0,
    "PO4": 1.64,
    "SiOH4": 23.88,
    "NO3_NO2": 28.11,
    "NO2": 0.0,
    "NH4": 1.41,
    "NO3": 28.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1376, 60.0009] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 92,
    "stn_id": "AHC2",
    "water_depth": 204,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0345",
    "depth": 125.0,
    "PO4": 1.78,
    "SiOH4": 25.27,
    "NO3_NO2": 29.89,
    "NO2": 0.03,
    "NH4": 1.41,
    "NO3": 29.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1376, 60.0009] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 92,
    "stn_id": "AHC2",
    "water_depth": 204,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0345",
    "depth": 150.0,
    "PO4": 1.85,
    "SiOH4": 29.02,
    "NO3_NO2": 32.18,
    "NO2": 0.05,
    "NH4": 1.44,
    "NO3": 32.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1376, 60.0009] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 92,
    "stn_id": "AHC2",
    "water_depth": 204,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0345",
    "depth": 175.0,
    "PO4": 1.95,
    "SiOH4": 29.46,
    "NO3_NO2": 33.74,
    "NO2": 0.07,
    "NH4": 1.33,
    "NO3": 33.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1376, 60.0009] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 92,
    "stn_id": "AHC2",
    "water_depth": 204,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0345",
    "depth": 204.0,
    "PO4": 2.32,
    "SiOH4": 39.83,
    "NO3_NO2": 41.77,
    "NO2": 0.1,
    "NH4": 1.25,
    "NO3": 41.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1896, 60.1431] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 93,
    "stn_id": "HE1",
    "water_depth": 177,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0451",
    "depth": 2.0,
    "PO4": 0.23,
    "SiOH4": 6.34,
    "NO3_NO2": 2.3,
    "NO2": 0.07,
    "NH4": 0.62,
    "NO3": 2.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1896, 60.1431] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 93,
    "stn_id": "HE1",
    "water_depth": 177,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0451",
    "depth": 11.0,
    "PO4": 0.5,
    "SiOH4": 5.54,
    "NO3_NO2": 5.42,
    "NO2": 0.14,
    "NH4": 1.06,
    "NO3": 5.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1896, 60.1431] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 93,
    "stn_id": "HE1",
    "water_depth": 177,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0451",
    "depth": 21.0,
    "PO4": 0.71,
    "SiOH4": 7.94,
    "NO3_NO2": 9.28,
    "NO2": 0.16,
    "NH4": 0.99,
    "NO3": 9.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1896, 60.1431] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 93,
    "stn_id": "HE1",
    "water_depth": 177,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0451",
    "depth": 30.0,
    "PO4": 0.83,
    "SiOH4": 9.75,
    "NO3_NO2": 11.14,
    "NO2": 0.23,
    "NH4": 1.01,
    "NO3": 10.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1896, 60.1431] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 93,
    "stn_id": "HE1",
    "water_depth": 177,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0451",
    "depth": 40.0,
    "PO4": 1.06,
    "SiOH4": 14.57,
    "NO3_NO2": 16.49,
    "NO2": 0.23,
    "NH4": 0.96,
    "NO3": 16.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1896, 60.1431] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 93,
    "stn_id": "HE1",
    "water_depth": 177,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0451",
    "depth": 51.0,
    "PO4": 1.37,
    "SiOH4": 20.4,
    "NO3_NO2": 23.18,
    "NO2": 0.17,
    "NH4": 0.89,
    "NO3": 23.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1896, 60.1431] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 93,
    "stn_id": "HE1",
    "water_depth": 177,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0451",
    "depth": 76.0,
    "PO4": 1.5,
    "SiOH4": 20.25,
    "NO3_NO2": 24.29,
    "NO2": 0.12,
    "NH4": 0.88,
    "NO3": 24.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1896, 60.1431] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 93,
    "stn_id": "HE1",
    "water_depth": 177,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0451",
    "depth": 101.0,
    "PO4": 1.7,
    "SiOH4": 24.84,
    "NO3_NO2": 28.68,
    "NO2": 0.05,
    "NH4": 0.83,
    "NO3": 28.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1896, 60.1431] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 93,
    "stn_id": "HE1",
    "water_depth": 177,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0451",
    "depth": 126.0,
    "PO4": 1.8,
    "SiOH4": 28.48,
    "NO3_NO2": 31.35,
    "NO2": 0.07,
    "NH4": 0.93,
    "NO3": 31.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1896, 60.1431] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 93,
    "stn_id": "HE1",
    "water_depth": 177,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0451",
    "depth": 151.0,
    "PO4": 1.89,
    "SiOH4": 29.99,
    "NO3_NO2": 32.54,
    "NO2": 0.09,
    "NH4": 1.2,
    "NO3": 32.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1896, 60.1431] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 93,
    "stn_id": "HE1",
    "water_depth": 177,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0451",
    "depth": 178.0,
    "PO4": 1.91,
    "SiOH4": 31.8,
    "NO3_NO2": 33.43,
    "NO2": 0.09,
    "NH4": 1.5,
    "NO3": 33.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0483, 60.1097] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 95,
    "stn_id": "HE3",
    "water_depth": 278,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0543",
    "depth": 2.0,
    "PO4": 0.1,
    "SiOH4": 6.94,
    "NO3_NO2": 0.22,
    "NO2": 0.01,
    "NH4": 0.66,
    "NO3": 0.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0483, 60.1097] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 95,
    "stn_id": "HE3",
    "water_depth": 278,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0543",
    "depth": 11.0,
    "PO4": 0.2,
    "SiOH4": 5.08,
    "NO3_NO2": 3.79,
    "NO2": 0.08,
    "NH4": 1.16,
    "NO3": 3.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0483, 60.1097] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 95,
    "stn_id": "HE3",
    "water_depth": 278,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0543",
    "depth": 21.0,
    "PO4": 0.78,
    "SiOH4": 10.31,
    "NO3_NO2": 10.7,
    "NO2": 0.2,
    "NH4": 1.71,
    "NO3": 10.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0483, 60.1097] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 95,
    "stn_id": "HE3",
    "water_depth": 278,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0543",
    "depth": 31.0,
    "PO4": 1.1,
    "SiOH4": 16.38,
    "NO3_NO2": 18.07,
    "NO2": 0.2,
    "NH4": 1.61,
    "NO3": 17.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0483, 60.1097] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 95,
    "stn_id": "HE3",
    "water_depth": 278,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0543",
    "depth": 40.0,
    "PO4": 1.36,
    "SiOH4": 20.73,
    "NO3_NO2": 22.9,
    "NO2": 0.12,
    "NH4": 1.6,
    "NO3": 22.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0483, 60.1097] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 95,
    "stn_id": "HE3",
    "water_depth": 278,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0543",
    "depth": 51.0,
    "PO4": 1.47,
    "SiOH4": 23.31,
    "NO3_NO2": 25.43,
    "NO2": 0.09,
    "NH4": 1.35,
    "NO3": 25.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0483, 60.1097] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 95,
    "stn_id": "HE3",
    "water_depth": 278,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0543",
    "depth": 76.0,
    "PO4": 1.64,
    "SiOH4": 26.24,
    "NO3_NO2": 28.4,
    "NO2": 0.07,
    "NH4": 1.45,
    "NO3": 28.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0483, 60.1097] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 95,
    "stn_id": "HE3",
    "water_depth": 278,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0543",
    "depth": 101.0,
    "PO4": 1.72,
    "SiOH4": 27.99,
    "NO3_NO2": 30.03,
    "NO2": 0.06,
    "NH4": 1.72,
    "NO3": 29.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0483, 60.1097] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 95,
    "stn_id": "HE3",
    "water_depth": 278,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0543",
    "depth": 150.0,
    "PO4": 2.31,
    "SiOH4": 43.81,
    "NO3_NO2": 42.23,
    "NO2": 0.06,
    "NH4": 1.96,
    "NO3": 42.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0483, 60.1097] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 95,
    "stn_id": "HE3",
    "water_depth": 278,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0543",
    "depth": 201.0,
    "PO4": 2.24,
    "SiOH4": 43.07,
    "NO3_NO2": 41.56,
    "NO2": 0.06,
    "NH4": 1.95,
    "NO3": 41.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0483, 60.1097] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 95,
    "stn_id": "HE3",
    "water_depth": 278,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0543",
    "depth": 252.0,
    "PO4": 2.01,
    "SiOH4": 37.37,
    "NO3_NO2": 37.9,
    "NO2": 0.03,
    "NH4": 1.82,
    "NO3": 37.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0483, 60.1097] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 95,
    "stn_id": "HE3",
    "water_depth": 278,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0543",
    "depth": 276.0,
    "PO4": 1.86,
    "SiOH4": 32.2,
    "NO3_NO2": 33.5,
    "NO2": 0.0,
    "NH4": 1.89,
    "NO3": 33.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8699, 60.0743] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 97,
    "stn_id": "HE5",
    "water_depth": 105,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0642",
    "depth": 2.0,
    "PO4": 0.04,
    "SiOH4": 3.53,
    "NO3_NO2": 0.07,
    "NO2": 0.02,
    "NH4": 0.57,
    "NO3": 0.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8699, 60.0743] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 97,
    "stn_id": "HE5",
    "water_depth": 105,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0642",
    "depth": 11.0,
    "PO4": 0.15,
    "SiOH4": 3.8,
    "NO3_NO2": 1.52,
    "NO2": 0.07,
    "NH4": 0.69,
    "NO3": 1.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8699, 60.0743] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 97,
    "stn_id": "HE5",
    "water_depth": 105,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0642",
    "depth": 20.0,
    "PO4": 0.37,
    "SiOH4": 4.28,
    "NO3_NO2": 2.61,
    "NO2": 0.22,
    "NH4": 1.26,
    "NO3": 2.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8699, 60.0743] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 97,
    "stn_id": "HE5",
    "water_depth": 105,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0642",
    "depth": 30.0,
    "PO4": 0.6,
    "SiOH4": 6.94,
    "NO3_NO2": 6.6,
    "NO2": 0.31,
    "NH4": 1.52,
    "NO3": 6.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8699, 60.0743] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 97,
    "stn_id": "HE5",
    "water_depth": 105,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0642",
    "depth": 41.0,
    "PO4": 1.12,
    "SiOH4": 16.02,
    "NO3_NO2": 17.77,
    "NO2": 0.29,
    "NH4": 1.12,
    "NO3": 17.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8699, 60.0743] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 97,
    "stn_id": "HE5",
    "water_depth": 105,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0642",
    "depth": 50.0,
    "PO4": 1.32,
    "SiOH4": 19.77,
    "NO3_NO2": 22.35,
    "NO2": 0.19,
    "NH4": 0.95,
    "NO3": 22.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8699, 60.0743] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 97,
    "stn_id": "HE5",
    "water_depth": 105,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0642",
    "depth": 76.0,
    "PO4": 1.58,
    "SiOH4": 24.87,
    "NO3_NO2": 27.42,
    "NO2": 0.09,
    "NH4": 0.92,
    "NO3": 27.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8699, 60.0743] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 97,
    "stn_id": "HE5",
    "water_depth": 105,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0642",
    "depth": 106.0,
    "PO4": 1.74,
    "SiOH4": 29.11,
    "NO3_NO2": 30.47,
    "NO2": 0.14,
    "NH4": 0.98,
    "NO3": 30.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6994, 60.0416] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 99,
    "stn_id": "HE7",
    "water_depth": 118,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0733",
    "depth": 2.0,
    "PO4": 0.1,
    "SiOH4": 1.78,
    "NO3_NO2": 0.0,
    "NO2": 0.01,
    "NH4": 0.27,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6994, 60.0416] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 99,
    "stn_id": "HE7",
    "water_depth": 118,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0733",
    "depth": 11.0,
    "PO4": 0.25,
    "SiOH4": 2.26,
    "NO3_NO2": 2.25,
    "NO2": 0.06,
    "NH4": 1.35,
    "NO3": 2.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6994, 60.0416] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 99,
    "stn_id": "HE7",
    "water_depth": 118,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0733",
    "depth": 20.0,
    "PO4": 0.76,
    "SiOH4": 8.51,
    "NO3_NO2": 9.58,
    "NO2": 0.26,
    "NH4": 1.27,
    "NO3": 9.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6994, 60.0416] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 99,
    "stn_id": "HE7",
    "water_depth": 118,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0733",
    "depth": 41.0,
    "PO4": 1.36,
    "SiOH4": 22.57,
    "NO3_NO2": 23.72,
    "NO2": 0.1,
    "NH4": 1.35,
    "NO3": 23.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6994, 60.0416] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 99,
    "stn_id": "HE7",
    "water_depth": 118,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0733",
    "depth": 51.0,
    "PO4": 1.46,
    "SiOH4": 23.98,
    "NO3_NO2": 25.97,
    "NO2": 0.08,
    "NH4": 1.18,
    "NO3": 25.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6994, 60.0416] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 99,
    "stn_id": "HE7",
    "water_depth": 118,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0733",
    "depth": 76.0,
    "PO4": 1.55,
    "SiOH4": 25.0,
    "NO3_NO2": 26.99,
    "NO2": 0.08,
    "NH4": 1.73,
    "NO3": 26.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6994, 60.0416] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 99,
    "stn_id": "HE7",
    "water_depth": 118,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0733",
    "depth": 117.0,
    "PO4": 1.79,
    "SiOH4": 29.83,
    "NO3_NO2": 31.34,
    "NO2": 0.17,
    "NH4": 2.13,
    "NO3": 31.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6089, 60.0797] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 101,
    "stn_id": "HE9",
    "water_depth": 113,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0833",
    "depth": 2.0,
    "PO4": 0.08,
    "SiOH4": 4.83,
    "NO3_NO2": 0.07,
    "NO2": 0.05,
    "NH4": 1.3,
    "NO3": 0.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6089, 60.0797] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 101,
    "stn_id": "HE9",
    "water_depth": 113,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0833",
    "depth": 12.0,
    "PO4": 0.08,
    "SiOH4": 1.28,
    "NO3_NO2": 0.06,
    "NO2": 0.05,
    "NH4": 1.37,
    "NO3": 0.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6089, 60.0797] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 101,
    "stn_id": "HE9",
    "water_depth": 113,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0833",
    "depth": 21.0,
    "PO4": 0.42,
    "SiOH4": 4.53,
    "NO3_NO2": 3.9,
    "NO2": 0.17,
    "NH4": 1.83,
    "NO3": 3.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6089, 60.0797] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 101,
    "stn_id": "HE9",
    "water_depth": 113,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0833",
    "depth": 29.0,
    "PO4": 1.13,
    "SiOH4": 15.51,
    "NO3_NO2": 18.54,
    "NO2": 0.29,
    "NH4": 2.05,
    "NO3": 18.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6089, 60.0797] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 101,
    "stn_id": "HE9",
    "water_depth": 113,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0833",
    "depth": 39.0,
    "PO4": 1.3,
    "SiOH4": 20.93,
    "NO3_NO2": 24.34,
    "NO2": 0.09,
    "NH4": 1.83,
    "NO3": 24.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6089, 60.0797] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 101,
    "stn_id": "HE9",
    "water_depth": 113,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0833",
    "depth": 53.0,
    "PO4": 1.51,
    "SiOH4": 23.21,
    "NO3_NO2": 26.36,
    "NO2": 0.09,
    "NH4": 1.86,
    "NO3": 26.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6089, 60.0797] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 101,
    "stn_id": "HE9",
    "water_depth": 113,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0833",
    "depth": 73.0,
    "PO4": 1.58,
    "SiOH4": 26.13,
    "NO3_NO2": 28.03,
    "NO2": 0.07,
    "NH4": 1.83,
    "NO3": 27.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6089, 60.0797] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 101,
    "stn_id": "HE9",
    "water_depth": 113,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0833",
    "depth": 113.0,
    "PO4": 1.79,
    "SiOH4": 31.07,
    "NO3_NO2": 31.65,
    "NO2": 0.11,
    "NH4": 1.81,
    "NO3": 31.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6066, 60.1793] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 103,
    "stn_id": "HE11",
    "water_depth": 191,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0934",
    "depth": 1.0,
    "PO4": 0.14,
    "SiOH4": 13.97,
    "NO3_NO2": 0.15,
    "NO2": 0.04,
    "NH4": 0.77,
    "NO3": 0.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6066, 60.1793] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 103,
    "stn_id": "HE11",
    "water_depth": 191,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0934",
    "depth": 11.0,
    "PO4": 0.22,
    "SiOH4": 2.75,
    "NO3_NO2": 0.8,
    "NO2": 0.06,
    "NH4": 1.37,
    "NO3": 0.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6066, 60.1793] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 103,
    "stn_id": "HE11",
    "water_depth": 191,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0934",
    "depth": 22.0,
    "PO4": 0.46,
    "SiOH4": 2.95,
    "NO3_NO2": 3.11,
    "NO2": 0.18,
    "NH4": 1.93,
    "NO3": 2.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6066, 60.1793] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 103,
    "stn_id": "HE11",
    "water_depth": 191,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0934",
    "depth": 31.0,
    "PO4": 0.68,
    "SiOH4": 5.66,
    "NO3_NO2": 7.24,
    "NO2": 0.35,
    "NH4": 1.86,
    "NO3": 6.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6066, 60.1793] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 103,
    "stn_id": "HE11",
    "water_depth": 191,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0934",
    "depth": 41.0,
    "PO4": 1.23,
    "SiOH4": 17.29,
    "NO3_NO2": 20.51,
    "NO2": 0.53,
    "NH4": 1.66,
    "NO3": 19.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6066, 60.1793] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 103,
    "stn_id": "HE11",
    "water_depth": 191,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0934",
    "depth": 52.0,
    "PO4": 1.35,
    "SiOH4": 21.52,
    "NO3_NO2": 23.4,
    "NO2": 0.3,
    "NH4": 1.86,
    "NO3": 23.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6066, 60.1793] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 103,
    "stn_id": "HE11",
    "water_depth": 191,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0934",
    "depth": 76.0,
    "PO4": 1.6,
    "SiOH4": 27.55,
    "NO3_NO2": 28.48,
    "NO2": 0.08,
    "NH4": 1.88,
    "NO3": 28.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6066, 60.1793] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 103,
    "stn_id": "HE11",
    "water_depth": 191,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0934",
    "depth": 101.0,
    "PO4": 1.76,
    "SiOH4": 30.31,
    "NO3_NO2": 30.94,
    "NO2": 0.05,
    "NH4": 1.4,
    "NO3": 30.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6066, 60.1793] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 103,
    "stn_id": "HE11",
    "water_depth": 191,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0934",
    "depth": 125.0,
    "PO4": 1.77,
    "SiOH4": 31.98,
    "NO3_NO2": 32.02,
    "NO2": 0.05,
    "NH4": 1.57,
    "NO3": 31.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6066, 60.1793] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 103,
    "stn_id": "HE11",
    "water_depth": 191,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0934",
    "depth": 149.0,
    "PO4": 1.82,
    "SiOH4": 32.56,
    "NO3_NO2": 32.52,
    "NO2": 0.05,
    "NH4": 1.52,
    "NO3": 32.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6066, 60.1793] },
  "properties": {
    "cruise_id": "HX234",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 103,
    "stn_id": "HE11",
    "water_depth": 191,
    "month_gmt": "8",
    "day_gmt": "22",
    "time_gmt": "0934",
    "depth": 188.0,
    "PO4": 1.87,
    "SiOH4": 33.69,
    "NO3_NO2": 33.67,
    "NO2": 0.05,
    "NH4": 1.62,
    "NO3": 33.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3574, 60.0243] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 297,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1758",
    "depth": 3.0,
    "PO4": 0.29,
    "SiOH4": 2.93,
    "NO3_NO2": 0.88,
    "NO2": 0.12,
    "NH4": 0.68,
    "NO3": 0.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3574, 60.0243] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 297,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1758",
    "depth": 10.0,
    "PO4": 0.25,
    "SiOH4": 3.63,
    "NO3_NO2": 1.83,
    "NO2": 0.25,
    "NH4": 0.87,
    "NO3": 1.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3574, 60.0243] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 297,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1758",
    "depth": 20.0,
    "PO4": 0.45,
    "SiOH4": 5.85,
    "NO3_NO2": 4.09,
    "NO2": 0.42,
    "NH4": 0.78,
    "NO3": 3.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3574, 60.0243] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 297,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1758",
    "depth": 30.0,
    "PO4": 0.66,
    "SiOH4": 8.44,
    "NO3_NO2": 6.47,
    "NO2": 0.37,
    "NH4": 0.46,
    "NO3": 6.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3574, 60.0243] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 297,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1758",
    "depth": 40.0,
    "PO4": 0.81,
    "SiOH4": 11.21,
    "NO3_NO2": 8.84,
    "NO2": 0.22,
    "NH4": 0.4,
    "NO3": 8.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3574, 60.0243] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 297,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1758",
    "depth": 50.0,
    "PO4": 1.04,
    "SiOH4": 15.37,
    "NO3_NO2": 12.43,
    "NO2": 0.12,
    "NH4": 0.24,
    "NO3": 12.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3574, 60.0243] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 297,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1758",
    "depth": 75.0,
    "PO4": 1.48,
    "SiOH4": 24.64,
    "NO3_NO2": 18.94,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 18.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3574, 60.0243] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 297,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1758",
    "depth": 149.0,
    "PO4": 1.94,
    "SiOH4": 37.85,
    "NO3_NO2": 26.29,
    "NO2": 0.0,
    "NH4": 0.26,
    "NO3": 26.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3574, 60.0243] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 297,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1758",
    "depth": 200.0,
    "PO4": 2.28,
    "SiOH4": 47.67,
    "NO3_NO2": 31.53,
    "NO2": 0.0,
    "NH4": 0.23,
    "NO3": 31.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3574, 60.0243] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 297,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1758",
    "depth": 294.0,
    "PO4": 2.53,
    "SiOH4": 52.5,
    "NO3_NO2": 32.63,
    "NO2": 0.0,
    "NH4": 0.23,
    "NO3": 32.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4664, 59.8438] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1930",
    "depth": 2.0,
    "PO4": 0.16,
    "SiOH4": 2.86,
    "NO3_NO2": 0.2,
    "NO2": 0.0,
    "NH4": 0.44,
    "NO3": 0.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4664, 59.8438] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1930",
    "depth": 11.0,
    "PO4": 0.31,
    "SiOH4": 5.69,
    "NO3_NO2": 1.89,
    "NO2": 0.05,
    "NH4": 0.51,
    "NO3": 1.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4664, 59.8438] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1930",
    "depth": 21.0,
    "PO4": 0.4,
    "SiOH4": 6.94,
    "NO3_NO2": 2.94,
    "NO2": 0.1,
    "NH4": 0.56,
    "NO3": 2.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4664, 59.8438] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1930",
    "depth": 30.0,
    "PO4": 0.42,
    "SiOH4": 7.16,
    "NO3_NO2": 2.66,
    "NO2": 0.2,
    "NH4": 0.69,
    "NO3": 2.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4664, 59.8438] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1930",
    "depth": 40.0,
    "PO4": 0.86,
    "SiOH4": 12.23,
    "NO3_NO2": 7.79,
    "NO2": 0.25,
    "NH4": 0.66,
    "NO3": 7.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4664, 59.8438] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1930",
    "depth": 51.0,
    "PO4": 1.19,
    "SiOH4": 18.28,
    "NO3_NO2": 12.97,
    "NO2": 0.22,
    "NH4": 0.42,
    "NO3": 12.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4664, 59.8438] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1930",
    "depth": 75.0,
    "PO4": 1.5,
    "SiOH4": 23.91,
    "NO3_NO2": 18.05,
    "NO2": 0.0,
    "NH4": 0.41,
    "NO3": 18.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4664, 59.8438] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1930",
    "depth": 101.0,
    "PO4": 1.68,
    "SiOH4": 28.5,
    "NO3_NO2": 20.79,
    "NO2": 0.0,
    "NH4": 0.41,
    "NO3": 20.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4664, 59.8438] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1930",
    "depth": 176.0,
    "PO4": 2.26,
    "SiOH4": 45.11,
    "NO3_NO2": 30.21,
    "NO2": 0.0,
    "NH4": 0.54,
    "NO3": 30.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4664, 59.8438] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1930",
    "depth": 269.0,
    "PO4": 2.67,
    "SiOH4": null,
    "NO3_NO2": 33.8,
    "NO2": 0.07,
    "NH4": 0.54,
    "NO3": 33.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.468, 59.8452] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1959",
    "depth": 2.0,
    "PO4": 0.09,
    "SiOH4": 2.6,
    "NO3_NO2": 0.05,
    "NO2": 0.0,
    "NH4": 0.28,
    "NO3": 0.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.468, 59.8452] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1959",
    "depth": 5.0,
    "PO4": 0.03,
    "SiOH4": 2.95,
    "NO3_NO2": 0.09,
    "NO2": 0.02,
    "NH4": 0.35,
    "NO3": 0.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.468, 59.8452] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1959",
    "depth": 8.0,
    "PO4": 0.15,
    "SiOH4": 4.4,
    "NO3_NO2": 0.83,
    "NO2": 0.05,
    "NH4": 0.4,
    "NO3": 0.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.468, 59.8452] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1959",
    "depth": 12.0,
    "PO4": 0.26,
    "SiOH4": 6.09,
    "NO3_NO2": 2.26,
    "NO2": 0.12,
    "NH4": 0.65,
    "NO3": 2.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.468, 59.8452] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1959",
    "depth": 17.0,
    "PO4": 0.28,
    "SiOH4": 6.45,
    "NO3_NO2": 2.36,
    "NO2": 0.12,
    "NH4": 0.77,
    "NO3": 2.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.468, 59.8452] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "1959",
    "depth": 26.0,
    "PO4": 0.33,
    "SiOH4": 7.1,
    "NO3_NO2": 2.88,
    "NO2": 0.12,
    "NH4": 0.71,
    "NO3": 2.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3977, 59.7661] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2109",
    "depth": 3.0,
    "PO4": 0.28,
    "SiOH4": 7.4,
    "NO3_NO2": 2.4,
    "NO2": 0.1,
    "NH4": 0.35,
    "NO3": 2.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3977, 59.7661] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2109",
    "depth": 11.0,
    "PO4": 0.41,
    "SiOH4": 8.97,
    "NO3_NO2": 4.3,
    "NO2": 0.12,
    "NH4": 0.48,
    "NO3": 4.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3977, 59.7661] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2109",
    "depth": 21.0,
    "PO4": 0.4,
    "SiOH4": 8.59,
    "NO3_NO2": 3.5,
    "NO2": 0.17,
    "NH4": 0.81,
    "NO3": 3.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3977, 59.7661] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2109",
    "depth": 30.0,
    "PO4": 0.4,
    "SiOH4": 8.28,
    "NO3_NO2": 2.59,
    "NO2": 0.12,
    "NH4": 0.72,
    "NO3": 2.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3977, 59.7661] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2109",
    "depth": 40.0,
    "PO4": 0.36,
    "SiOH4": 7.11,
    "NO3_NO2": 1.63,
    "NO2": 0.1,
    "NH4": 0.9,
    "NO3": 1.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3977, 59.7661] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2109",
    "depth": 53.0,
    "PO4": 0.72,
    "SiOH4": 13.23,
    "NO3_NO2": 6.61,
    "NO2": 0.2,
    "NH4": 0.7,
    "NO3": 6.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3977, 59.7661] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2109",
    "depth": 78.0,
    "PO4": 1.41,
    "SiOH4": 26.16,
    "NO3_NO2": 16.46,
    "NO2": 0.0,
    "NH4": 0.29,
    "NO3": 16.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3977, 59.7661] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2109",
    "depth": 103.0,
    "PO4": 1.64,
    "SiOH4": 30.83,
    "NO3_NO2": 18.57,
    "NO2": 0.0,
    "NH4": 0.42,
    "NO3": 18.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3977, 59.7661] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2109",
    "depth": 151.0,
    "PO4": 1.73,
    "SiOH4": 32.03,
    "NO3_NO2": 19.62,
    "NO2": 0.0,
    "NH4": 0.35,
    "NO3": 19.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3977, 59.7661] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2109",
    "depth": 199.0,
    "PO4": 2.2,
    "SiOH4": 46.11,
    "NO3_NO2": 27.03,
    "NO2": 0.0,
    "NH4": 0.45,
    "NO3": 27.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3977, 59.7661] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2109",
    "depth": 257.0,
    "PO4": 2.51,
    "SiOH4": 56.91,
    "NO3_NO2": 33.17,
    "NO2": 0.1,
    "NH4": 0.39,
    "NO3": 33.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3262, 59.6918] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 6,
    "stn_id": "GAK2",
    "water_depth": 227,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2204",
    "depth": 2.0,
    "PO4": 0.44,
    "SiOH4": 4.67,
    "NO3_NO2": 0.17,
    "NO2": 0.02,
    "NH4": 0.38,
    "NO3": 0.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3262, 59.6918] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 6,
    "stn_id": "GAK2",
    "water_depth": 227,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2204",
    "depth": 11.0,
    "PO4": 0.57,
    "SiOH4": 6.18,
    "NO3_NO2": 1.22,
    "NO2": 0.1,
    "NH4": 0.5,
    "NO3": 1.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3262, 59.6918] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 6,
    "stn_id": "GAK2",
    "water_depth": 227,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2204",
    "depth": 21.0,
    "PO4": 0.8,
    "SiOH4": 11.45,
    "NO3_NO2": 6.25,
    "NO2": 0.22,
    "NH4": 0.57,
    "NO3": 6.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3262, 59.6918] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 6,
    "stn_id": "GAK2",
    "water_depth": 227,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2204",
    "depth": 31.0,
    "PO4": 1.22,
    "SiOH4": 18.12,
    "NO3_NO2": 12.12,
    "NO2": 0.1,
    "NH4": 0.24,
    "NO3": 12.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3262, 59.6918] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 6,
    "stn_id": "GAK2",
    "water_depth": 227,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2204",
    "depth": 41.0,
    "PO4": 1.35,
    "SiOH4": 19.39,
    "NO3_NO2": 14.34,
    "NO2": 0.17,
    "NH4": 0.2,
    "NO3": 14.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3262, 59.6918] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 6,
    "stn_id": "GAK2",
    "water_depth": 227,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2204",
    "depth": 51.0,
    "PO4": 1.41,
    "SiOH4": 20.04,
    "NO3_NO2": 15.87,
    "NO2": 0.12,
    "NH4": 0.19,
    "NO3": 15.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3262, 59.6918] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 6,
    "stn_id": "GAK2",
    "water_depth": 227,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2204",
    "depth": 76.0,
    "PO4": 1.64,
    "SiOH4": 23.55,
    "NO3_NO2": 18.51,
    "NO2": 0.02,
    "NH4": 0.32,
    "NO3": 18.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3262, 59.6918] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 6,
    "stn_id": "GAK2",
    "water_depth": 227,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2204",
    "depth": 101.0,
    "PO4": 1.71,
    "SiOH4": 25.55,
    "NO3_NO2": 19.57,
    "NO2": 0.0,
    "NH4": 0.36,
    "NO3": 19.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3262, 59.6918] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 6,
    "stn_id": "GAK2",
    "water_depth": 227,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2204",
    "depth": 150.0,
    "PO4": 1.94,
    "SiOH4": 33.25,
    "NO3_NO2": 23.27,
    "NO2": 0.0,
    "NH4": 0.3,
    "NO3": 23.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3262, 59.6918] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 6,
    "stn_id": "GAK2",
    "water_depth": 227,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2204",
    "depth": 201.0,
    "PO4": 2.16,
    "SiOH4": 42.71,
    "NO3_NO2": 23.79,
    "NO2": 0.05,
    "NH4": 0.47,
    "NO3": 23.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3262, 59.6918] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 6,
    "stn_id": "GAK2",
    "water_depth": 227,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2204",
    "depth": 226.0,
    "PO4": 2.57,
    "SiOH4": 54.61,
    "NO3_NO2": 32.63,
    "NO2": 0.07,
    "NH4": 0.36,
    "NO3": 32.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2596, 59.6271] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2259",
    "depth": 2.0,
    "PO4": 0.4,
    "SiOH4": 6.4,
    "NO3_NO2": 1.28,
    "NO2": 0.07,
    "NH4": 0.2,
    "NO3": 1.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2596, 59.6271] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2259",
    "depth": 10.0,
    "PO4": 0.52,
    "SiOH4": 6.47,
    "NO3_NO2": 1.29,
    "NO2": 0.14,
    "NH4": 0.67,
    "NO3": 1.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2596, 59.6271] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2259",
    "depth": 21.0,
    "PO4": 0.63,
    "SiOH4": 8.97,
    "NO3_NO2": 4.21,
    "NO2": 0.23,
    "NH4": 0.64,
    "NO3": 3.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2596, 59.6271] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2259",
    "depth": 31.0,
    "PO4": 1.11,
    "SiOH4": 17.12,
    "NO3_NO2": 11.84,
    "NO2": 0.38,
    "NH4": 0.5,
    "NO3": 11.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2596, 59.6271] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2259",
    "depth": 41.0,
    "PO4": 1.23,
    "SiOH4": 18.05,
    "NO3_NO2": 13.81,
    "NO2": 0.22,
    "NH4": 0.44,
    "NO3": 13.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2596, 59.6271] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2259",
    "depth": 53.0,
    "PO4": 1.37,
    "SiOH4": 20.61,
    "NO3_NO2": 16.04,
    "NO2": 0.27,
    "NH4": 0.48,
    "NO3": 15.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2596, 59.6271] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2259",
    "depth": 75.0,
    "PO4": 1.61,
    "SiOH4": 24.87,
    "NO3_NO2": 20.28,
    "NO2": 0.07,
    "NH4": 0.42,
    "NO3": 20.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2596, 59.6271] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2259",
    "depth": 101.0,
    "PO4": 1.67,
    "SiOH4": 26.7,
    "NO3_NO2": 21.35,
    "NO2": 0.02,
    "NH4": 0.63,
    "NO3": 21.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2596, 59.6271] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2259",
    "depth": 126.0,
    "PO4": 1.86,
    "SiOH4": 29.94,
    "NO3_NO2": 23.79,
    "NO2": 0.01,
    "NH4": 0.54,
    "NO3": 23.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2596, 59.6271] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2259",
    "depth": 150.0,
    "PO4": 2.02,
    "SiOH4": 34.44,
    "NO3_NO2": 25.76,
    "NO2": 0.01,
    "NH4": 0.35,
    "NO3": 25.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2596, 59.6271] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2259",
    "depth": 197.0,
    "PO4": 2.4,
    "SiOH4": 47.63,
    "NO3_NO2": 30.8,
    "NO2": 0.0,
    "NH4": 0.39,
    "NO3": 30.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2596, 59.6271] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK2I",
    "water_depth": 213,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2259",
    "depth": 213.0,
    "PO4": 2.52,
    "SiOH4": 53.23,
    "NO3_NO2": 31.33,
    "NO2": 0.0,
    "NH4": 0.44,
    "NO3": 31.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1892, 59.5538] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2351",
    "depth": 3.0,
    "PO4": 0.45,
    "SiOH4": 4.84,
    "NO3_NO2": 0.83,
    "NO2": 0.12,
    "NH4": 0.7,
    "NO3": 0.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1892, 59.5538] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2351",
    "depth": 9.0,
    "PO4": 0.49,
    "SiOH4": 5.34,
    "NO3_NO2": 1.36,
    "NO2": 0.17,
    "NH4": 0.5,
    "NO3": 1.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1892, 59.5538] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2351",
    "depth": 21.0,
    "PO4": 1.23,
    "SiOH4": 16.04,
    "NO3_NO2": 11.75,
    "NO2": 0.26,
    "NH4": 0.28,
    "NO3": 11.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1892, 59.5538] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2351",
    "depth": 30.0,
    "PO4": 1.39,
    "SiOH4": 18.6,
    "NO3_NO2": 14.56,
    "NO2": 0.23,
    "NH4": 0.33,
    "NO3": 14.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1892, 59.5538] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2351",
    "depth": 41.0,
    "PO4": 1.52,
    "SiOH4": 19.89,
    "NO3_NO2": 14.94,
    "NO2": 0.2,
    "NH4": 0.4,
    "NO3": 14.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1892, 59.5538] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2351",
    "depth": 52.0,
    "PO4": 1.65,
    "SiOH4": 23.79,
    "NO3_NO2": 17.6,
    "NO2": 0.08,
    "NH4": 0.26,
    "NO3": 17.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1892, 59.5538] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2351",
    "depth": 76.0,
    "PO4": 1.72,
    "SiOH4": 24.95,
    "NO3_NO2": 19.09,
    "NO2": 0.05,
    "NH4": 0.1,
    "NO3": 19.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1892, 59.5538] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2351",
    "depth": 101.0,
    "PO4": 1.91,
    "SiOH4": 31.28,
    "NO3_NO2": 21.32,
    "NO2": 0.04,
    "NH4": 0.14,
    "NO3": 21.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1892, 59.5538] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2351",
    "depth": 125.0,
    "PO4": 2.01,
    "SiOH4": 33.54,
    "NO3_NO2": 25.03,
    "NO2": 0.04,
    "NH4": 0.16,
    "NO3": 24.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1892, 59.5538] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2351",
    "depth": 150.0,
    "PO4": 2.26,
    "SiOH4": 43.45,
    "NO3_NO2": 28.9,
    "NO2": 0.04,
    "NH4": 0.29,
    "NO3": 28.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1892, 59.5538] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2351",
    "depth": 201.0,
    "PO4": 2.49,
    "SiOH4": 52.33,
    "NO3_NO2": 30.87,
    "NO2": 0.03,
    "NH4": 0.28,
    "NO3": 30.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1892, 59.5538] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK3",
    "water_depth": 214,
    "month_gmt": "10",
    "day_gmt": "03",
    "time_gmt": "2351",
    "depth": 213.0,
    "PO4": 2.47,
    "SiOH4": 52.03,
    "NO3_NO2": 30.88,
    "NO2": 0.03,
    "NH4": 0.27,
    "NO3": 30.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.12, 59.4822] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK3I",
    "water_depth": 204,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0103",
    "depth": 2.0,
    "PO4": 0.58,
    "SiOH4": 5.26,
    "NO3_NO2": 2.37,
    "NO2": 0.09,
    "NH4": 0.52,
    "NO3": 2.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.12, 59.4822] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK3I",
    "water_depth": 204,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0103",
    "depth": 10.0,
    "PO4": 0.72,
    "SiOH4": 5.71,
    "NO3_NO2": 3.08,
    "NO2": 0.19,
    "NH4": 0.55,
    "NO3": 2.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.12, 59.4822] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK3I",
    "water_depth": 204,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0103",
    "depth": 21.0,
    "PO4": 1.39,
    "SiOH4": 19.38,
    "NO3_NO2": 16.12,
    "NO2": 0.17,
    "NH4": 0.4,
    "NO3": 15.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.12, 59.4822] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK3I",
    "water_depth": 204,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0103",
    "depth": 30.0,
    "PO4": 1.6,
    "SiOH4": 22.51,
    "NO3_NO2": 18.48,
    "NO2": 0.12,
    "NH4": 0.39,
    "NO3": 18.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.12, 59.4822] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK3I",
    "water_depth": 204,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0103",
    "depth": 41.0,
    "PO4": 1.52,
    "SiOH4": 19.78,
    "NO3_NO2": 17.49,
    "NO2": 0.24,
    "NH4": 0.29,
    "NO3": 17.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.12, 59.4822] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK3I",
    "water_depth": 204,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0103",
    "depth": 51.0,
    "PO4": 1.6,
    "SiOH4": 20.23,
    "NO3_NO2": 18.32,
    "NO2": 0.24,
    "NH4": 0.17,
    "NO3": 18.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.12, 59.4822] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK3I",
    "water_depth": 204,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0103",
    "depth": 76.0,
    "PO4": 1.73,
    "SiOH4": 23.08,
    "NO3_NO2": 21.18,
    "NO2": 0.12,
    "NH4": 0.27,
    "NO3": 21.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.12, 59.4822] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK3I",
    "water_depth": 204,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0103",
    "depth": 102.0,
    "PO4": 1.83,
    "SiOH4": 26.44,
    "NO3_NO2": 23.27,
    "NO2": 0.07,
    "NH4": 0.29,
    "NO3": 23.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.12, 59.4822] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK3I",
    "water_depth": 204,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0103",
    "depth": 126.0,
    "PO4": 2.01,
    "SiOH4": 30.68,
    "NO3_NO2": 26.02,
    "NO2": 0.07,
    "NH4": 0.14,
    "NO3": 25.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.12, 59.4822] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK3I",
    "water_depth": 204,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0103",
    "depth": 150.0,
    "PO4": 2.28,
    "SiOH4": 36.49,
    "NO3_NO2": 29.05,
    "NO2": 0.07,
    "NH4": 0.14,
    "NO3": 28.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.12, 59.4822] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK3I",
    "water_depth": 204,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0103",
    "depth": 174.0,
    "PO4": 2.29,
    "SiOH4": 37.94,
    "NO3_NO2": 30.15,
    "NO2": 0.14,
    "NH4": 0.29,
    "NO3": 30.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.12, 59.4822] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK3I",
    "water_depth": 204,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0103",
    "depth": 202.0,
    "PO4": 2.51,
    "SiOH4": 44.59,
    "NO3_NO2": 32.51,
    "NO2": 0.17,
    "NH4": 0.29,
    "NO3": 32.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0504, 59.4098] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0156",
    "depth": 3.0,
    "PO4": 0.49,
    "SiOH4": 6.45,
    "NO3_NO2": 0.44,
    "NO2": 0.02,
    "NH4": 0.26,
    "NO3": 0.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0504, 59.4098] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0156",
    "depth": 10.0,
    "PO4": 0.52,
    "SiOH4": 6.52,
    "NO3_NO2": 0.5,
    "NO2": 0.02,
    "NH4": 0.16,
    "NO3": 0.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0504, 59.4098] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0156",
    "depth": 20.0,
    "PO4": 0.65,
    "SiOH4": 6.8,
    "NO3_NO2": 2.42,
    "NO2": 0.07,
    "NH4": 0.41,
    "NO3": 2.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0504, 59.4098] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0156",
    "depth": 31.0,
    "PO4": 1.24,
    "SiOH4": 14.84,
    "NO3_NO2": 12.6,
    "NO2": 0.24,
    "NH4": 0.41,
    "NO3": 12.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0504, 59.4098] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0156",
    "depth": 41.0,
    "PO4": 1.66,
    "SiOH4": 20.48,
    "NO3_NO2": 19.14,
    "NO2": 0.02,
    "NH4": 0.18,
    "NO3": 19.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0504, 59.4098] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0156",
    "depth": 51.0,
    "PO4": 1.77,
    "SiOH4": 22.72,
    "NO3_NO2": 21.07,
    "NO2": 0.02,
    "NH4": 0.16,
    "NO3": 21.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0504, 59.4098] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0156",
    "depth": 76.0,
    "PO4": 1.74,
    "SiOH4": 23.39,
    "NO3_NO2": 21.78,
    "NO2": 0.02,
    "NH4": 0.3,
    "NO3": 21.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0504, 59.4098] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0156",
    "depth": 102.0,
    "PO4": 1.8,
    "SiOH4": 24.68,
    "NO3_NO2": 22.61,
    "NO2": 0.02,
    "NH4": 0.28,
    "NO3": 22.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0504, 59.4098] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0156",
    "depth": 151.0,
    "PO4": 2.08,
    "SiOH4": 32.16,
    "NO3_NO2": 27.28,
    "NO2": 0.19,
    "NH4": 0.53,
    "NO3": 27.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0504, 59.4098] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0156",
    "depth": 197.0,
    "PO4": 2.38,
    "SiOH4": 42.2,
    "NO3_NO2": 31.96,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 31.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9789, 59.3356] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0303",
    "depth": 3.0,
    "PO4": 0.44,
    "SiOH4": 8.17,
    "NO3_NO2": 2.38,
    "NO2": 0.05,
    "NH4": 0.05,
    "NO3": 2.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9789, 59.3356] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0303",
    "depth": 10.0,
    "PO4": 0.52,
    "SiOH4": 8.14,
    "NO3_NO2": 2.37,
    "NO2": 0.37,
    "NH4": 0.13,
    "NO3": 2.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9789, 59.3356] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0303",
    "depth": 19.0,
    "PO4": 0.58,
    "SiOH4": 8.6,
    "NO3_NO2": 2.57,
    "NO2": 0.37,
    "NH4": 0.18,
    "NO3": 2.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9789, 59.3356] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0303",
    "depth": 28.0,
    "PO4": 0.7,
    "SiOH4": 10.43,
    "NO3_NO2": 4.9,
    "NO2": 0.17,
    "NH4": 0.23,
    "NO3": 4.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9789, 59.3356] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0303",
    "depth": 40.0,
    "PO4": 1.31,
    "SiOH4": 18.93,
    "NO3_NO2": 15.89,
    "NO2": 0.19,
    "NH4": 0.03,
    "NO3": 15.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9789, 59.3356] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0303",
    "depth": 51.0,
    "PO4": 1.5,
    "SiOH4": 21.42,
    "NO3_NO2": 18.96,
    "NO2": 0.09,
    "NH4": 0.06,
    "NO3": 18.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9789, 59.3356] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0303",
    "depth": 78.0,
    "PO4": 1.64,
    "SiOH4": 25.32,
    "NO3_NO2": 21.45,
    "NO2": 0.07,
    "NH4": 0.06,
    "NO3": 21.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9789, 59.3356] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0303",
    "depth": 100.0,
    "PO4": 1.77,
    "SiOH4": 29.06,
    "NO3_NO2": 23.83,
    "NO2": 0.07,
    "NH4": 0.01,
    "NO3": 23.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9789, 59.3356] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0303",
    "depth": 124.0,
    "PO4": 1.88,
    "SiOH4": 34.88,
    "NO3_NO2": 27.11,
    "NO2": 0.06,
    "NH4": 0.01,
    "NO3": 27.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9789, 59.3356] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0303",
    "depth": 152.0,
    "PO4": 2.22,
    "SiOH4": 42.72,
    "NO3_NO2": 30.66,
    "NO2": 0.06,
    "NH4": 0.04,
    "NO3": 30.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9789, 59.3356] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK4I",
    "water_depth": 198,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0303",
    "depth": 197.0,
    "PO4": 2.35,
    "SiOH4": 46.96,
    "NO3_NO2": 32.3,
    "NO2": 0.06,
    "NH4": 0.01,
    "NO3": 32.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9082, 59.2617] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0401",
    "depth": 3.0,
    "PO4": 0.6,
    "SiOH4": 8.73,
    "NO3_NO2": 4.11,
    "NO2": 0.14,
    "NH4": 0.16,
    "NO3": 3.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9082, 59.2617] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0401",
    "depth": 11.0,
    "PO4": 0.65,
    "SiOH4": 8.65,
    "NO3_NO2": 4.16,
    "NO2": 0.13,
    "NH4": 0.14,
    "NO3": 4.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9082, 59.2617] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0401",
    "depth": 21.0,
    "PO4": 0.65,
    "SiOH4": 8.62,
    "NO3_NO2": 4.2,
    "NO2": 0.13,
    "NH4": 0.14,
    "NO3": 4.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9082, 59.2617] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0401",
    "depth": 31.0,
    "PO4": 0.72,
    "SiOH4": 9.9,
    "NO3_NO2": 5.04,
    "NO2": 0.18,
    "NH4": 0.24,
    "NO3": 4.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9082, 59.2617] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0401",
    "depth": 39.0,
    "PO4": 1.16,
    "SiOH4": 16.7,
    "NO3_NO2": 13.16,
    "NO2": 0.26,
    "NH4": 0.07,
    "NO3": 12.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9082, 59.2617] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0401",
    "depth": 51.0,
    "PO4": 1.45,
    "SiOH4": 20.56,
    "NO3_NO2": 18.14,
    "NO2": 0.08,
    "NH4": 0.02,
    "NO3": 18.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9082, 59.2617] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0401",
    "depth": 76.0,
    "PO4": 1.65,
    "SiOH4": 25.28,
    "NO3_NO2": 21.59,
    "NO2": 0.01,
    "NH4": 0.02,
    "NO3": 21.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9082, 59.2617] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0401",
    "depth": 102.0,
    "PO4": 1.84,
    "SiOH4": 31.59,
    "NO3_NO2": 25.19,
    "NO2": 0.0,
    "NH4": 0.07,
    "NO3": 25.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9082, 59.2617] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0401",
    "depth": 124.0,
    "PO4": 2.01,
    "SiOH4": 37.08,
    "NO3_NO2": 28.26,
    "NO2": 0.0,
    "NH4": 0.05,
    "NO3": 28.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9082, 59.2617] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0401",
    "depth": 147.0,
    "PO4": 2.26,
    "SiOH4": 44.65,
    "NO3_NO2": 31.28,
    "NO2": 0.0,
    "NH4": 0.05,
    "NO3": 31.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9082, 59.2617] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "0401",
    "depth": 164.0,
    "PO4": 2.28,
    "SiOH4": 46.21,
    "NO3_NO2": 31.64,
    "NO2": 0.0,
    "NH4": 0.05,
    "NO3": 31.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6402, 60.1802] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "HB2",
    "water_depth": 180,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "1618",
    "depth": 2.0,
    "PO4": 0.19,
    "SiOH4": 4.34,
    "NO3_NO2": 0.23,
    "NO2": 0.0,
    "NH4": 0.1,
    "NO3": 0.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6402, 60.1802] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "HB2",
    "water_depth": 180,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "1618",
    "depth": 11.0,
    "PO4": 0.28,
    "SiOH4": 6.37,
    "NO3_NO2": 2.99,
    "NO2": 0.14,
    "NH4": 0.15,
    "NO3": 2.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6402, 60.1802] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "HB2",
    "water_depth": 180,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "1618",
    "depth": 20.0,
    "PO4": 0.64,
    "SiOH4": 9.61,
    "NO3_NO2": 7.01,
    "NO2": 0.24,
    "NH4": 0.3,
    "NO3": 6.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6402, 60.1802] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "HB2",
    "water_depth": 180,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "1618",
    "depth": 30.0,
    "PO4": 0.83,
    "SiOH4": 12.89,
    "NO3_NO2": 9.89,
    "NO2": 0.19,
    "NH4": 0.28,
    "NO3": 9.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6402, 60.1802] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "HB2",
    "water_depth": 180,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "1618",
    "depth": 40.0,
    "PO4": 1.17,
    "SiOH4": 18.97,
    "NO3_NO2": 15.94,
    "NO2": 0.11,
    "NH4": 0.18,
    "NO3": 15.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6402, 60.1802] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "HB2",
    "water_depth": 180,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "1618",
    "depth": 51.0,
    "PO4": 1.3,
    "SiOH4": 23.08,
    "NO3_NO2": 19.18,
    "NO2": 0.01,
    "NH4": 0.1,
    "NO3": 19.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6402, 60.1802] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "HB2",
    "water_depth": 180,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "1618",
    "depth": 76.0,
    "PO4": 1.75,
    "SiOH4": 31.67,
    "NO3_NO2": 25.72,
    "NO2": 0.01,
    "NH4": 0.07,
    "NO3": 25.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6402, 60.1802] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "HB2",
    "water_depth": 180,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "1618",
    "depth": 100.0,
    "PO4": 1.9,
    "SiOH4": 36.71,
    "NO3_NO2": 28.59,
    "NO2": 0.0,
    "NH4": 0.15,
    "NO3": 28.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6402, 60.1802] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "HB2",
    "water_depth": 180,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "1618",
    "depth": 125.0,
    "PO4": 1.98,
    "SiOH4": 38.63,
    "NO3_NO2": 29.91,
    "NO2": 0.0,
    "NH4": 0.07,
    "NO3": 29.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6402, 60.1802] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "HB2",
    "water_depth": 180,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "1618",
    "depth": 150.0,
    "PO4": 1.99,
    "SiOH4": 39.52,
    "NO3_NO2": 30.33,
    "NO2": 0.0,
    "NH4": 0.18,
    "NO3": 30.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6402, 60.1802] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "HB2",
    "water_depth": 180,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "1618",
    "depth": 175.0,
    "PO4": 2.06,
    "SiOH4": 40.95,
    "NO3_NO2": 31.11,
    "NO2": 0.0,
    "NH4": 0.1,
    "NO3": 31.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5755, 60.1647] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "HB3",
    "water_depth": 85,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "1648",
    "depth": 3.0,
    "PO4": 0.25,
    "SiOH4": 5.16,
    "NO3_NO2": 1.1,
    "NO2": 0.02,
    "NH4": 0.13,
    "NO3": 1.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5755, 60.1647] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "HB3",
    "water_depth": 85,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "1648",
    "depth": 10.0,
    "PO4": 0.47,
    "SiOH4": 7.63,
    "NO3_NO2": 4.16,
    "NO2": 0.16,
    "NH4": 0.23,
    "NO3": 4.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5755, 60.1647] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "HB3",
    "water_depth": 85,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "1648",
    "depth": 21.0,
    "PO4": 0.63,
    "SiOH4": 8.41,
    "NO3_NO2": 5.48,
    "NO2": 0.19,
    "NH4": 0.6,
    "NO3": 5.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5755, 60.1647] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "HB3",
    "water_depth": 85,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "1648",
    "depth": 30.0,
    "PO4": 0.72,
    "SiOH4": 10.17,
    "NO3_NO2": 7.03,
    "NO2": 0.16,
    "NH4": 0.58,
    "NO3": 6.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5755, 60.1647] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "HB3",
    "water_depth": 85,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "1648",
    "depth": 40.0,
    "PO4": 1.05,
    "SiOH4": 17.06,
    "NO3_NO2": 13.45,
    "NO2": 0.11,
    "NH4": 0.23,
    "NO3": 13.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5755, 60.1647] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "HB3",
    "water_depth": 85,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "1648",
    "depth": 50.0,
    "PO4": 1.18,
    "SiOH4": 19.86,
    "NO3_NO2": 16.03,
    "NO2": 0.11,
    "NH4": 0.18,
    "NO3": 15.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5755, 60.1647] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "HB3",
    "water_depth": 85,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "1648",
    "depth": 76.0,
    "PO4": 1.67,
    "SiOH4": 30.8,
    "NO3_NO2": 24.55,
    "NO2": 0.03,
    "NH4": 0.13,
    "NO3": 24.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5755, 60.1647] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "HB3",
    "water_depth": 85,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "1648",
    "depth": 91.0,
    "PO4": 1.8,
    "SiOH4": 33.11,
    "NO3_NO2": 26.4,
    "NO2": 0.03,
    "NH4": 0.18,
    "NO3": 26.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5021, 60.1489] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "HB4",
    "water_depth": 105,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "1716",
    "depth": 2.0,
    "PO4": 0.42,
    "SiOH4": 6.78,
    "NO3_NO2": 3.48,
    "NO2": 0.07,
    "NH4": 0.11,
    "NO3": 3.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5021, 60.1489] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "HB4",
    "water_depth": 105,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "1716",
    "depth": 10.0,
    "PO4": 0.65,
    "SiOH4": 8.8,
    "NO3_NO2": 6.05,
    "NO2": 0.21,
    "NH4": 0.33,
    "NO3": 5.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5021, 60.1489] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "HB4",
    "water_depth": 105,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "1716",
    "depth": 20.0,
    "PO4": 0.69,
    "SiOH4": 8.91,
    "NO3_NO2": 5.87,
    "NO2": 0.18,
    "NH4": 0.6,
    "NO3": 5.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5021, 60.1489] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "HB4",
    "water_depth": 105,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "1716",
    "depth": 30.0,
    "PO4": 0.74,
    "SiOH4": 9.78,
    "NO3_NO2": 6.89,
    "NO2": 0.2,
    "NH4": 0.5,
    "NO3": 6.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5021, 60.1489] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "HB4",
    "water_depth": 105,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "1716",
    "depth": 41.0,
    "PO4": 1.13,
    "SiOH4": 17.87,
    "NO3_NO2": 13.91,
    "NO2": 0.17,
    "NH4": 0.21,
    "NO3": 13.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5021, 60.1489] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "HB4",
    "water_depth": 105,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "1716",
    "depth": 51.0,
    "PO4": 1.57,
    "SiOH4": 28.36,
    "NO3_NO2": 21.7,
    "NO2": 0.05,
    "NH4": 0.51,
    "NO3": 21.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5021, 60.1489] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "HB4",
    "water_depth": 105,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "1716",
    "depth": 76.0,
    "PO4": 1.88,
    "SiOH4": 35.25,
    "NO3_NO2": 27.46,
    "NO2": 0.02,
    "NH4": 0.43,
    "NO3": 27.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5021, 60.1489] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "HB4",
    "water_depth": 105,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "1716",
    "depth": 106.0,
    "PO4": 2.01,
    "SiOH4": 39.02,
    "NO3_NO2": 29.44,
    "NO2": 0.06,
    "NH4": 0.42,
    "NO3": 29.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4474, 60.1332] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 19,
    "stn_id": "HB5",
    "water_depth": 38,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "1742",
    "depth": 2.0,
    "PO4": 0.31,
    "SiOH4": 6.61,
    "NO3_NO2": 2.68,
    "NO2": 0.08,
    "NH4": 0.52,
    "NO3": 2.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4474, 60.1332] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 19,
    "stn_id": "HB5",
    "water_depth": 38,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "1742",
    "depth": 11.0,
    "PO4": 0.58,
    "SiOH4": 7.71,
    "NO3_NO2": 4.77,
    "NO2": 0.23,
    "NH4": 0.93,
    "NO3": 4.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4474, 60.1332] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 19,
    "stn_id": "HB5",
    "water_depth": 38,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "1742",
    "depth": 20.0,
    "PO4": 0.59,
    "SiOH4": 7.87,
    "NO3_NO2": 4.35,
    "NO2": 0.25,
    "NH4": 1.05,
    "NO3": 4.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4474, 60.1332] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 19,
    "stn_id": "HB5",
    "water_depth": 38,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "1742",
    "depth": 30.0,
    "PO4": 0.65,
    "SiOH4": 8.58,
    "NO3_NO2": 5.01,
    "NO2": 0.22,
    "NH4": 1.12,
    "NO3": 4.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4474, 60.1332] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 19,
    "stn_id": "HB5",
    "water_depth": 38,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "1742",
    "depth": 41.0,
    "PO4": 0.67,
    "SiOH4": 10.16,
    "NO3_NO2": 5.49,
    "NO2": 0.22,
    "NH4": 1.07,
    "NO3": 5.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8691, 59.4499] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "CF15",
    "water_depth": 180,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "2320",
    "depth": 3.0,
    "PO4": 0.73,
    "SiOH4": 11.53,
    "NO3_NO2": 7.82,
    "NO2": 0.16,
    "NH4": 0.46,
    "NO3": 7.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8691, 59.4499] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "CF15",
    "water_depth": 180,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "2320",
    "depth": 10.0,
    "PO4": 0.76,
    "SiOH4": 11.48,
    "NO3_NO2": 7.76,
    "NO2": 0.18,
    "NH4": 0.58,
    "NO3": 7.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8691, 59.4499] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "CF15",
    "water_depth": 180,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "2320",
    "depth": 22.0,
    "PO4": 0.76,
    "SiOH4": 11.37,
    "NO3_NO2": 7.88,
    "NO2": 0.18,
    "NH4": 0.65,
    "NO3": 7.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8691, 59.4499] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "CF15",
    "water_depth": 180,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "2320",
    "depth": 30.0,
    "PO4": 0.76,
    "SiOH4": 11.59,
    "NO3_NO2": 7.94,
    "NO2": 0.18,
    "NH4": 0.49,
    "NO3": 7.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8691, 59.4499] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "CF15",
    "water_depth": 180,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "2320",
    "depth": 40.0,
    "PO4": 1.03,
    "SiOH4": 15.63,
    "NO3_NO2": 12.91,
    "NO2": 0.2,
    "NH4": 0.49,
    "NO3": 12.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8691, 59.4499] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "CF15",
    "water_depth": 180,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "2320",
    "depth": 52.0,
    "PO4": 1.54,
    "SiOH4": 24.21,
    "NO3_NO2": 22.75,
    "NO2": 0.04,
    "NH4": 0.41,
    "NO3": 22.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8691, 59.4499] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "CF15",
    "water_depth": 180,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "2320",
    "depth": 72.0,
    "PO4": 1.65,
    "SiOH4": 27.43,
    "NO3_NO2": 24.97,
    "NO2": 0.02,
    "NH4": 0.37,
    "NO3": 24.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8691, 59.4499] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "CF15",
    "water_depth": 180,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "2320",
    "depth": 98.0,
    "PO4": 1.64,
    "SiOH4": 27.71,
    "NO3_NO2": 25.27,
    "NO2": 0.01,
    "NH4": 0.34,
    "NO3": 25.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8691, 59.4499] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "CF15",
    "water_depth": 180,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "2320",
    "depth": 123.0,
    "PO4": 1.69,
    "SiOH4": 28.31,
    "NO3_NO2": 25.86,
    "NO2": 0.03,
    "NH4": 0.39,
    "NO3": 25.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8691, 59.4499] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "CF15",
    "water_depth": 180,
    "month_gmt": "10",
    "day_gmt": "04",
    "time_gmt": "2320",
    "depth": 185.0,
    "PO4": 2.27,
    "SiOH4": 48.47,
    "NO3_NO2": 35.88,
    "NO2": 0.03,
    "NH4": 0.38,
    "NO3": 35.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9876, 60.2786] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "KIP2",
    "water_depth": 568,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1605",
    "depth": 2.0,
    "PO4": 0.19,
    "SiOH4": 4.16,
    "NO3_NO2": 0.59,
    "NO2": 0.0,
    "NH4": 0.2,
    "NO3": 0.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9876, 60.2786] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "KIP2",
    "water_depth": 568,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1605",
    "depth": 10.0,
    "PO4": 0.19,
    "SiOH4": 4.36,
    "NO3_NO2": 0.65,
    "NO2": 0.02,
    "NH4": 0.23,
    "NO3": 0.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9876, 60.2786] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "KIP2",
    "water_depth": 568,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1605",
    "depth": 19.0,
    "PO4": 0.38,
    "SiOH4": 7.56,
    "NO3_NO2": 3.65,
    "NO2": 0.09,
    "NH4": 0.2,
    "NO3": 3.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9876, 60.2786] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "KIP2",
    "water_depth": 568,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1605",
    "depth": 30.0,
    "PO4": 1.0,
    "SiOH4": 16.89,
    "NO3_NO2": 14.33,
    "NO2": 0.14,
    "NH4": 0.11,
    "NO3": 14.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9876, 60.2786] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "KIP2",
    "water_depth": 568,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1605",
    "depth": 40.0,
    "PO4": 1.22,
    "SiOH4": 21.24,
    "NO3_NO2": 18.28,
    "NO2": 0.01,
    "NH4": 0.09,
    "NO3": 18.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9876, 60.2786] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "KIP2",
    "water_depth": 568,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1605",
    "depth": 51.0,
    "PO4": 1.47,
    "SiOH4": 24.17,
    "NO3_NO2": 21.04,
    "NO2": 0.01,
    "NH4": 0.08,
    "NO3": 21.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9876, 60.2786] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "KIP2",
    "water_depth": 568,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1605",
    "depth": 103.0,
    "PO4": 1.84,
    "SiOH4": 33.82,
    "NO3_NO2": 27.58,
    "NO2": 0.0,
    "NH4": 0.06,
    "NO3": 27.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9876, 60.2786] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "KIP2",
    "water_depth": 568,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1605",
    "depth": 200.0,
    "PO4": 2.02,
    "SiOH4": 39.7,
    "NO3_NO2": 31.53,
    "NO2": 0.0,
    "NH4": 0.05,
    "NO3": 31.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9876, 60.2786] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "KIP2",
    "water_depth": 568,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1605",
    "depth": 302.0,
    "PO4": 2.09,
    "SiOH4": 41.26,
    "NO3_NO2": 32.49,
    "NO2": 0.0,
    "NH4": 0.14,
    "NO3": 32.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9876, 60.2786] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "KIP2",
    "water_depth": 568,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1605",
    "depth": 400.0,
    "PO4": 2.08,
    "SiOH4": 41.35,
    "NO3_NO2": 32.55,
    "NO2": 0.0,
    "NH4": 0.1,
    "NO3": 32.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9876, 60.2786] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "KIP2",
    "water_depth": 568,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1605",
    "depth": 500.0,
    "PO4": 2.09,
    "SiOH4": 41.22,
    "NO3_NO2": 32.54,
    "NO2": 0.0,
    "NH4": 0.16,
    "NO3": 32.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9876, 60.2786] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "KIP2",
    "water_depth": 568,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1605",
    "depth": 585.0,
    "PO4": 2.09,
    "SiOH4": 42.07,
    "NO3_NO2": 32.78,
    "NO2": 0.02,
    "NH4": 0.12,
    "NO3": 32.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9871, 60.2783] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "KIP2",
    "water_depth": 575,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1644",
    "depth": 2.0,
    "PO4": 0.16,
    "SiOH4": 3.3,
    "NO3_NO2": 0.38,
    "NO2": 0.01,
    "NH4": 0.31,
    "NO3": 0.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9871, 60.2783] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "KIP2",
    "water_depth": 575,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1644",
    "depth": 6.0,
    "PO4": 0.16,
    "SiOH4": 3.55,
    "NO3_NO2": 0.37,
    "NO2": 0.01,
    "NH4": 0.24,
    "NO3": 0.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9871, 60.2783] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "KIP2",
    "water_depth": 575,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1644",
    "depth": 10.0,
    "PO4": 0.14,
    "SiOH4": 3.8,
    "NO3_NO2": 0.37,
    "NO2": 0.01,
    "NH4": 0.28,
    "NO3": 0.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9871, 60.2783] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "KIP2",
    "water_depth": 575,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1644",
    "depth": 18.0,
    "PO4": 0.24,
    "SiOH4": 5.59,
    "NO3_NO2": 2.11,
    "NO2": 0.06,
    "NH4": 0.32,
    "NO3": 2.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9871, 60.2783] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "KIP2",
    "water_depth": 575,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1644",
    "depth": 26.0,
    "PO4": 0.69,
    "SiOH4": 12.23,
    "NO3_NO2": 9.07,
    "NO2": 0.13,
    "NH4": 0.33,
    "NO3": 8.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9871, 60.2783] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "KIP2",
    "water_depth": 575,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "1644",
    "depth": 40.0,
    "PO4": 1.17,
    "SiOH4": 20.68,
    "NO3_NO2": 16.86,
    "NO2": 0.08,
    "NH4": 0.31,
    "NO3": 16.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9261, 59.9537] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "MS1",
    "water_depth": 170,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2005",
    "depth": 2.0,
    "PO4": 0.31,
    "SiOH4": 5.97,
    "NO3_NO2": 2.07,
    "NO2": 0.07,
    "NH4": 0.14,
    "NO3": 2.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9261, 59.9537] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "MS1",
    "water_depth": 170,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2005",
    "depth": 11.0,
    "PO4": 0.34,
    "SiOH4": 6.69,
    "NO3_NO2": 2.6,
    "NO2": 0.12,
    "NH4": 0.19,
    "NO3": 2.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9261, 59.9537] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "MS1",
    "water_depth": 170,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2005",
    "depth": 21.0,
    "PO4": 0.61,
    "SiOH4": 9.85,
    "NO3_NO2": 5.88,
    "NO2": 0.14,
    "NH4": 0.23,
    "NO3": 5.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9261, 59.9537] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "MS1",
    "water_depth": 170,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2005",
    "depth": 31.0,
    "PO4": 0.93,
    "SiOH4": 14.6,
    "NO3_NO2": 10.94,
    "NO2": 0.16,
    "NH4": 0.27,
    "NO3": 10.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9261, 59.9537] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "MS1",
    "water_depth": 170,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2005",
    "depth": 40.0,
    "PO4": 1.02,
    "SiOH4": 15.27,
    "NO3_NO2": 11.41,
    "NO2": 0.18,
    "NH4": 0.64,
    "NO3": 11.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9261, 59.9537] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "MS1",
    "water_depth": 170,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2005",
    "depth": 51.0,
    "PO4": 1.46,
    "SiOH4": 24.53,
    "NO3_NO2": 19.73,
    "NO2": 0.05,
    "NH4": 0.31,
    "NO3": 19.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9261, 59.9537] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "MS1",
    "water_depth": 170,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2005",
    "depth": 77.0,
    "PO4": 1.69,
    "SiOH4": 28.06,
    "NO3_NO2": 22.84,
    "NO2": 0.02,
    "NH4": 0.3,
    "NO3": 22.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9261, 59.9537] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "MS1",
    "water_depth": 170,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2005",
    "depth": 98.0,
    "PO4": 1.82,
    "SiOH4": 32.23,
    "NO3_NO2": 25.14,
    "NO2": 0.02,
    "NH4": 0.32,
    "NO3": 25.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9261, 59.9537] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "MS1",
    "water_depth": 170,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2005",
    "depth": 124.0,
    "PO4": 1.96,
    "SiOH4": 35.97,
    "NO3_NO2": 27.96,
    "NO2": 0.04,
    "NH4": 0.27,
    "NO3": 27.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9261, 59.9537] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "MS1",
    "water_depth": 170,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2005",
    "depth": 149.0,
    "PO4": 2.04,
    "SiOH4": 37.54,
    "NO3_NO2": 28.89,
    "NO2": 0.03,
    "NH4": 0.28,
    "NO3": 28.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9261, 59.9537] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "MS1",
    "water_depth": 170,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2005",
    "depth": 169.0,
    "PO4": 2.08,
    "SiOH4": 38.58,
    "NO3_NO2": 29.13,
    "NO2": 0.03,
    "NH4": 0.2,
    "NO3": 29.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8993, 59.9431] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 24,
    "stn_id": "MS2",
    "water_depth": 187,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2035",
    "depth": 2.0,
    "PO4": 0.41,
    "SiOH4": 5.98,
    "NO3_NO2": 2.41,
    "NO2": 0.12,
    "NH4": 0.22,
    "NO3": 2.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8993, 59.9431] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 24,
    "stn_id": "MS2",
    "water_depth": 187,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2035",
    "depth": 10.0,
    "PO4": 0.42,
    "SiOH4": 6.91,
    "NO3_NO2": 2.77,
    "NO2": 0.14,
    "NH4": 0.24,
    "NO3": 2.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8993, 59.9431] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 24,
    "stn_id": "MS2",
    "water_depth": 187,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2035",
    "depth": 21.0,
    "PO4": 0.53,
    "SiOH4": 8.17,
    "NO3_NO2": 4.15,
    "NO2": 0.16,
    "NH4": 0.56,
    "NO3": 3.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8993, 59.9431] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 24,
    "stn_id": "MS2",
    "water_depth": 187,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2035",
    "depth": 30.0,
    "PO4": 0.65,
    "SiOH4": 9.2,
    "NO3_NO2": 5.08,
    "NO2": 0.16,
    "NH4": 0.85,
    "NO3": 4.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8993, 59.9431] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 24,
    "stn_id": "MS2",
    "water_depth": 187,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2035",
    "depth": 41.0,
    "PO4": 0.95,
    "SiOH4": 14.38,
    "NO3_NO2": 10.6,
    "NO2": 0.15,
    "NH4": 0.65,
    "NO3": 10.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8993, 59.9431] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 24,
    "stn_id": "MS2",
    "water_depth": 187,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2035",
    "depth": 51.0,
    "PO4": 1.34,
    "SiOH4": 21.78,
    "NO3_NO2": 17.66,
    "NO2": 0.1,
    "NH4": 0.31,
    "NO3": 17.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8993, 59.9431] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 24,
    "stn_id": "MS2",
    "water_depth": 187,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2035",
    "depth": 76.0,
    "PO4": 1.68,
    "SiOH4": 28.87,
    "NO3_NO2": 23.23,
    "NO2": 0.1,
    "NH4": 0.31,
    "NO3": 23.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8993, 59.9431] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 24,
    "stn_id": "MS2",
    "water_depth": 187,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2035",
    "depth": 101.0,
    "PO4": 1.91,
    "SiOH4": 35.0,
    "NO3_NO2": 27.2,
    "NO2": 0.02,
    "NH4": 0.4,
    "NO3": 27.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8993, 59.9431] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 24,
    "stn_id": "MS2",
    "water_depth": 187,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2035",
    "depth": 125.0,
    "PO4": 2.0,
    "SiOH4": 36.78,
    "NO3_NO2": 28.24,
    "NO2": 0.01,
    "NH4": 0.54,
    "NO3": 28.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8993, 59.9431] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 24,
    "stn_id": "MS2",
    "water_depth": 187,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2035",
    "depth": 149.0,
    "PO4": 2.08,
    "SiOH4": 38.93,
    "NO3_NO2": 29.17,
    "NO2": 0.01,
    "NH4": 0.51,
    "NO3": 29.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8993, 59.9431] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 24,
    "stn_id": "MS2",
    "water_depth": 187,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2035",
    "depth": 183.0,
    "PO4": 2.13,
    "SiOH4": 41.24,
    "NO3_NO2": 30.21,
    "NO2": 0.03,
    "NH4": 0.46,
    "NO3": 30.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8605, 59.9312] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "MS3",
    "water_depth": 170,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2112",
    "depth": 2.0,
    "PO4": 0.47,
    "SiOH4": 7.2,
    "NO3_NO2": 4.08,
    "NO2": 0.12,
    "NH4": 0.12,
    "NO3": 3.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8605, 59.9312] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "MS3",
    "water_depth": 170,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2112",
    "depth": 11.0,
    "PO4": 0.53,
    "SiOH4": 6.93,
    "NO3_NO2": 3.76,
    "NO2": 0.12,
    "NH4": 0.55,
    "NO3": 3.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8605, 59.9312] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "MS3",
    "water_depth": 170,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2112",
    "depth": 21.0,
    "PO4": 0.59,
    "SiOH4": 7.29,
    "NO3_NO2": 4.07,
    "NO2": 0.14,
    "NH4": 0.82,
    "NO3": 3.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8605, 59.9312] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "MS3",
    "water_depth": 170,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2112",
    "depth": 31.0,
    "PO4": 0.71,
    "SiOH4": 9.56,
    "NO3_NO2": 6.4,
    "NO2": 0.17,
    "NH4": 0.73,
    "NO3": 6.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8605, 59.9312] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "MS3",
    "water_depth": 170,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2112",
    "depth": 40.0,
    "PO4": 0.98,
    "SiOH4": 14.49,
    "NO3_NO2": 12.44,
    "NO2": 0.17,
    "NH4": 0.56,
    "NO3": 12.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8605, 59.9312] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "MS3",
    "water_depth": 170,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2112",
    "depth": 51.0,
    "PO4": 1.38,
    "SiOH4": 21.27,
    "NO3_NO2": 19.68,
    "NO2": 0.09,
    "NH4": 0.26,
    "NO3": 19.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8605, 59.9312] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "MS3",
    "water_depth": 170,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2112",
    "depth": 75.0,
    "PO4": 1.69,
    "SiOH4": 28.48,
    "NO3_NO2": 25.47,
    "NO2": 0.04,
    "NH4": 0.25,
    "NO3": 25.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8605, 59.9312] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "MS3",
    "water_depth": 170,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2112",
    "depth": 100.0,
    "PO4": 1.94,
    "SiOH4": 34.68,
    "NO3_NO2": 29.81,
    "NO2": 0.04,
    "NH4": 0.29,
    "NO3": 29.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8605, 59.9312] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "MS3",
    "water_depth": 170,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2112",
    "depth": 125.0,
    "PO4": 2.04,
    "SiOH4": 38.12,
    "NO3_NO2": 31.57,
    "NO2": 0.01,
    "NH4": 0.35,
    "NO3": 31.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8605, 59.9312] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "MS3",
    "water_depth": 170,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2112",
    "depth": 149.0,
    "PO4": 2.12,
    "SiOH4": 40.39,
    "NO3_NO2": 32.63,
    "NO2": 0.04,
    "NH4": 0.37,
    "NO3": 32.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8605, 59.9312] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "MS3",
    "water_depth": 170,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2112",
    "depth": 172.0,
    "PO4": 2.19,
    "SiOH4": 42.24,
    "NO3_NO2": 33.51,
    "NO2": 0.06,
    "NH4": 0.32,
    "NO3": 33.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.832, 59.9197] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "MS4",
    "water_depth": 107,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2143",
    "depth": 3.0,
    "PO4": 0.52,
    "SiOH4": 7.54,
    "NO3_NO2": 4.58,
    "NO2": 0.13,
    "NH4": 0.63,
    "NO3": 4.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.832, 59.9197] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "MS4",
    "water_depth": 107,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2143",
    "depth": 11.0,
    "PO4": 0.58,
    "SiOH4": 7.53,
    "NO3_NO2": 4.33,
    "NO2": 0.13,
    "NH4": 0.71,
    "NO3": 4.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.832, 59.9197] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "MS4",
    "water_depth": 107,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2143",
    "depth": 21.0,
    "PO4": 0.61,
    "SiOH4": 8.75,
    "NO3_NO2": 5.2,
    "NO2": 0.13,
    "NH4": 0.7,
    "NO3": 5.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.832, 59.9197] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "MS4",
    "water_depth": 107,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2143",
    "depth": 31.0,
    "PO4": 0.74,
    "SiOH4": 10.65,
    "NO3_NO2": 7.4,
    "NO2": 0.15,
    "NH4": 0.7,
    "NO3": 7.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.832, 59.9197] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "MS4",
    "water_depth": 107,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2143",
    "depth": 41.0,
    "PO4": 0.86,
    "SiOH4": 12.66,
    "NO3_NO2": 9.85,
    "NO2": 0.18,
    "NH4": 0.63,
    "NO3": 9.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.832, 59.9197] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "MS4",
    "water_depth": 107,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2143",
    "depth": 50.0,
    "PO4": 1.27,
    "SiOH4": 20.18,
    "NO3_NO2": 18.23,
    "NO2": 0.13,
    "NH4": 0.37,
    "NO3": 18.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.832, 59.9197] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "MS4",
    "water_depth": 107,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2143",
    "depth": 75.0,
    "PO4": 1.65,
    "SiOH4": 27.6,
    "NO3_NO2": 24.77,
    "NO2": 0.05,
    "NH4": 0.39,
    "NO3": 24.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.832, 59.9197] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 26,
    "stn_id": "MS4",
    "water_depth": 107,
    "month_gmt": "10",
    "day_gmt": "05",
    "time_gmt": "2143",
    "depth": 95.0,
    "PO4": 1.82,
    "SiOH4": 31.57,
    "NO3_NO2": 27.98,
    "NO2": 0.03,
    "NH4": 0.43,
    "NO3": 27.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8652, 59.9094] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 28,
    "stn_id": "CF1",
    "water_depth": 79,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1900",
    "depth": 3.0,
    "PO4": 0.36,
    "SiOH4": 6.33,
    "NO3_NO2": 2.11,
    "NO2": 0.06,
    "NH4": 0.68,
    "NO3": 2.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8652, 59.9094] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 28,
    "stn_id": "CF1",
    "water_depth": 79,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1900",
    "depth": 10.0,
    "PO4": 0.37,
    "SiOH4": 6.15,
    "NO3_NO2": 1.98,
    "NO2": 0.08,
    "NH4": 0.74,
    "NO3": 1.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8652, 59.9094] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 28,
    "stn_id": "CF1",
    "water_depth": 79,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1900",
    "depth": 19.0,
    "PO4": 0.39,
    "SiOH4": 6.4,
    "NO3_NO2": 2.4,
    "NO2": 0.12,
    "NH4": 0.53,
    "NO3": 2.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8652, 59.9094] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 28,
    "stn_id": "CF1",
    "water_depth": 79,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1900",
    "depth": 28.0,
    "PO4": 0.83,
    "SiOH4": 12.92,
    "NO3_NO2": 9.19,
    "NO2": 0.24,
    "NH4": 0.71,
    "NO3": 8.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8652, 59.9094] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 28,
    "stn_id": "CF1",
    "water_depth": 79,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1900",
    "depth": 40.0,
    "PO4": 1.05,
    "SiOH4": 15.73,
    "NO3_NO2": 12.33,
    "NO2": 0.23,
    "NH4": 0.56,
    "NO3": 12.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8652, 59.9094] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 28,
    "stn_id": "CF1",
    "water_depth": 79,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1900",
    "depth": 50.0,
    "PO4": 1.26,
    "SiOH4": 19.31,
    "NO3_NO2": 15.3,
    "NO2": 0.15,
    "NH4": 0.65,
    "NO3": 15.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8652, 59.9094] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 28,
    "stn_id": "CF1",
    "water_depth": 79,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1900",
    "depth": 84.0,
    "PO4": 1.57,
    "SiOH4": 25.0,
    "NO3_NO2": 19.6,
    "NO2": 0.15,
    "NH4": 0.65,
    "NO3": 19.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.8498] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1944",
    "depth": 4.0,
    "PO4": 0.35,
    "SiOH4": 6.42,
    "NO3_NO2": 2.33,
    "NO2": 0.07,
    "NH4": 0.44,
    "NO3": 2.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.8498] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1944",
    "depth": 9.0,
    "PO4": 0.37,
    "SiOH4": 6.23,
    "NO3_NO2": 2.25,
    "NO2": 0.09,
    "NH4": 0.68,
    "NO3": 2.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.8498] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1944",
    "depth": 21.0,
    "PO4": 0.47,
    "SiOH4": 6.65,
    "NO3_NO2": 2.5,
    "NO2": 0.13,
    "NH4": 0.88,
    "NO3": 2.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.8498] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1944",
    "depth": 29.0,
    "PO4": 0.66,
    "SiOH4": 10.23,
    "NO3_NO2": 4.97,
    "NO2": 0.17,
    "NH4": 1.47,
    "NO3": 4.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.8498] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1944",
    "depth": 39.0,
    "PO4": 0.8,
    "SiOH4": 11.84,
    "NO3_NO2": 7.16,
    "NO2": 0.19,
    "NH4": 1.32,
    "NO3": 6.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.8498] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1944",
    "depth": 51.0,
    "PO4": 0.81,
    "SiOH4": 13.07,
    "NO3_NO2": 7.47,
    "NO2": 0.18,
    "NH4": 1.32,
    "NO3": 7.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.8498] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1944",
    "depth": 76.0,
    "PO4": 1.52,
    "SiOH4": 25.41,
    "NO3_NO2": 19.87,
    "NO2": 0.03,
    "NH4": 0.88,
    "NO3": 19.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.8498] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1944",
    "depth": 101.0,
    "PO4": 1.79,
    "SiOH4": 30.24,
    "NO3_NO2": 23.56,
    "NO2": 0.07,
    "NH4": 1.18,
    "NO3": 23.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.8498] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1944",
    "depth": 126.0,
    "PO4": 1.8,
    "SiOH4": 30.28,
    "NO3_NO2": 23.93,
    "NO2": 0.04,
    "NH4": 1.38,
    "NO3": 23.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.8498] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1944",
    "depth": 151.0,
    "PO4": 1.89,
    "SiOH4": 32.65,
    "NO3_NO2": 24.85,
    "NO2": 0.06,
    "NH4": 1.35,
    "NO3": 24.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.8498] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "1944",
    "depth": 161.0,
    "PO4": 1.92,
    "SiOH4": 32.2,
    "NO3_NO2": 24.88,
    "NO2": 0.06,
    "NH4": 1.47,
    "NO3": 24.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8656, 59.7833] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2039",
    "depth": 3.0,
    "PO4": 0.63,
    "SiOH4": 9.84,
    "NO3_NO2": 5.76,
    "NO2": 0.17,
    "NH4": 0.63,
    "NO3": 5.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8656, 59.7833] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2039",
    "depth": 11.0,
    "PO4": 0.74,
    "SiOH4": 11.14,
    "NO3_NO2": 6.69,
    "NO2": 0.2,
    "NH4": 0.62,
    "NO3": 6.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8656, 59.7833] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2039",
    "depth": 21.0,
    "PO4": 0.77,
    "SiOH4": 11.5,
    "NO3_NO2": 7.3,
    "NO2": 0.2,
    "NH4": 0.67,
    "NO3": 7.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8656, 59.7833] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2039",
    "depth": 30.0,
    "PO4": 0.77,
    "SiOH4": 11.54,
    "NO3_NO2": 7.48,
    "NO2": 0.17,
    "NH4": 0.63,
    "NO3": 7.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8656, 59.7833] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2039",
    "depth": 39.0,
    "PO4": 0.8,
    "SiOH4": 11.41,
    "NO3_NO2": 8.16,
    "NO2": 0.2,
    "NH4": 0.65,
    "NO3": 7.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8656, 59.7833] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2039",
    "depth": 49.0,
    "PO4": 0.85,
    "SiOH4": 11.94,
    "NO3_NO2": 8.77,
    "NO2": 0.22,
    "NH4": 0.73,
    "NO3": 8.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8656, 59.7833] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2039",
    "depth": 75.0,
    "PO4": 1.46,
    "SiOH4": 22.18,
    "NO3_NO2": 21.18,
    "NO2": 0.07,
    "NH4": 0.51,
    "NO3": 21.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8656, 59.7833] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2039",
    "depth": 100.0,
    "PO4": 1.65,
    "SiOH4": 24.2,
    "NO3_NO2": 24.03,
    "NO2": 0.07,
    "NH4": 0.44,
    "NO3": 23.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8656, 59.7833] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2039",
    "depth": 126.0,
    "PO4": 1.85,
    "SiOH4": 30.81,
    "NO3_NO2": 27.56,
    "NO2": 0.1,
    "NH4": 0.58,
    "NO3": 27.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8656, 59.7833] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2039",
    "depth": 151.0,
    "PO4": 1.85,
    "SiOH4": 30.36,
    "NO3_NO2": 27.93,
    "NO2": 0.05,
    "NH4": 0.57,
    "NO3": 27.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8656, 59.7833] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2039",
    "depth": 174.0,
    "PO4": 1.97,
    "SiOH4": 33.25,
    "NO3_NO2": 30.15,
    "NO2": 0.07,
    "NH4": 0.68,
    "NO3": 30.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8656, 59.7833] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2039",
    "depth": 192.0,
    "PO4": 2.05,
    "SiOH4": 35.1,
    "NO3_NO2": 31.02,
    "NO2": 0.1,
    "NH4": 0.64,
    "NO3": 30.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.7167] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "CF7",
    "water_depth": 180,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2148",
    "depth": 2.0,
    "PO4": 0.54,
    "SiOH4": 8.97,
    "NO3_NO2": 4.89,
    "NO2": 0.22,
    "NH4": 0.84,
    "NO3": 4.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.7167] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "CF7",
    "water_depth": 180,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2148",
    "depth": 10.0,
    "PO4": 0.65,
    "SiOH4": 10.1,
    "NO3_NO2": 6.25,
    "NO2": 0.2,
    "NH4": 0.95,
    "NO3": 6.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.7167] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "CF7",
    "water_depth": 180,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2148",
    "depth": 21.0,
    "PO4": 0.8,
    "SiOH4": 11.46,
    "NO3_NO2": 7.99,
    "NO2": 0.22,
    "NH4": 1.0,
    "NO3": 7.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.7167] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "CF7",
    "water_depth": 180,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2148",
    "depth": 30.0,
    "PO4": 1.02,
    "SiOH4": 13.41,
    "NO3_NO2": 10.46,
    "NO2": 0.25,
    "NH4": 0.93,
    "NO3": 10.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.7167] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "CF7",
    "water_depth": 180,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2148",
    "depth": 41.0,
    "PO4": 1.35,
    "SiOH4": 19.1,
    "NO3_NO2": 17.16,
    "NO2": 0.22,
    "NH4": 0.8,
    "NO3": 16.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.7167] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "CF7",
    "water_depth": 180,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2148",
    "depth": 51.0,
    "PO4": 1.51,
    "SiOH4": 21.88,
    "NO3_NO2": 19.88,
    "NO2": 0.17,
    "NH4": 0.76,
    "NO3": 19.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.7167] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "CF7",
    "water_depth": 180,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2148",
    "depth": 77.0,
    "PO4": 1.49,
    "SiOH4": 21.15,
    "NO3_NO2": 20.68,
    "NO2": 0.07,
    "NH4": 0.72,
    "NO3": 20.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.7167] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "CF7",
    "water_depth": 180,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2148",
    "depth": 101.0,
    "PO4": 1.63,
    "SiOH4": 23.11,
    "NO3_NO2": 23.35,
    "NO2": 0.05,
    "NH4": 0.71,
    "NO3": 23.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.7167] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "CF7",
    "water_depth": 180,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2148",
    "depth": 126.0,
    "PO4": 1.66,
    "SiOH4": 23.47,
    "NO3_NO2": 24.33,
    "NO2": 0.05,
    "NH4": 0.7,
    "NO3": 24.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.7167] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "CF7",
    "water_depth": 180,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2148",
    "depth": 151.0,
    "PO4": 1.83,
    "SiOH4": 29.76,
    "NO3_NO2": 28.05,
    "NO2": 0.02,
    "NH4": 0.75,
    "NO3": 28.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.7167] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "CF7",
    "water_depth": 180,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2148",
    "depth": 182.0,
    "PO4": 2.15,
    "SiOH4": 38.52,
    "NO3_NO2": 33.2,
    "NO2": 0.07,
    "NH4": 0.8,
    "NO3": 33.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.6504] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2249",
    "depth": 3.0,
    "PO4": 0.76,
    "SiOH4": 11.74,
    "NO3_NO2": 8.62,
    "NO2": 0.18,
    "NH4": 0.92,
    "NO3": 8.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.6504] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2249",
    "depth": 10.0,
    "PO4": 0.82,
    "SiOH4": 11.68,
    "NO3_NO2": 8.8,
    "NO2": 0.18,
    "NH4": 0.99,
    "NO3": 8.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.6504] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2249",
    "depth": 20.0,
    "PO4": 0.84,
    "SiOH4": 11.96,
    "NO3_NO2": 9.23,
    "NO2": 0.18,
    "NH4": 1.14,
    "NO3": 9.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.6504] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2249",
    "depth": 31.0,
    "PO4": 0.9,
    "SiOH4": 12.29,
    "NO3_NO2": 9.91,
    "NO2": 0.2,
    "NH4": 1.05,
    "NO3": 9.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.6504] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2249",
    "depth": 40.0,
    "PO4": 0.98,
    "SiOH4": 13.88,
    "NO3_NO2": 11.83,
    "NO2": 0.2,
    "NH4": 1.01,
    "NO3": 11.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.6504] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2249",
    "depth": 51.0,
    "PO4": 1.08,
    "SiOH4": 14.64,
    "NO3_NO2": 13.63,
    "NO2": 0.2,
    "NH4": 0.95,
    "NO3": 13.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.6504] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2249",
    "depth": 76.0,
    "PO4": 1.57,
    "SiOH4": 23.26,
    "NO3_NO2": 23.31,
    "NO2": 0.08,
    "NH4": 0.96,
    "NO3": 23.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.6504] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2249",
    "depth": 100.0,
    "PO4": 1.53,
    "SiOH4": 21.99,
    "NO3_NO2": 22.81,
    "NO2": 0.13,
    "NH4": 1.03,
    "NO3": 22.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.6504] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2249",
    "depth": 125.0,
    "PO4": 1.63,
    "SiOH4": 23.53,
    "NO3_NO2": 24.54,
    "NO2": 0.1,
    "NH4": 0.97,
    "NO3": 24.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.6504] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2249",
    "depth": 150.0,
    "PO4": 1.8,
    "SiOH4": 28.69,
    "NO3_NO2": 28.14,
    "NO2": 0.05,
    "NH4": 0.85,
    "NO3": 28.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.6504] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2249",
    "depth": 177.0,
    "PO4": 2.12,
    "SiOH4": 37.46,
    "NO3_NO2": 33.41,
    "NO2": 0.08,
    "NH4": 0.65,
    "NO3": 33.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8657, 59.5838] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2352",
    "depth": 2.0,
    "PO4": 0.95,
    "SiOH4": 12.45,
    "NO3_NO2": 11.32,
    "NO2": 0.18,
    "NH4": 1.01,
    "NO3": 11.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8657, 59.5838] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2352",
    "depth": 8.0,
    "PO4": 0.98,
    "SiOH4": 12.62,
    "NO3_NO2": 11.5,
    "NO2": 0.18,
    "NH4": 1.03,
    "NO3": 11.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8657, 59.5838] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2352",
    "depth": 21.0,
    "PO4": 1.01,
    "SiOH4": 12.83,
    "NO3_NO2": 11.81,
    "NO2": 0.23,
    "NH4": 1.07,
    "NO3": 11.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8657, 59.5838] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2352",
    "depth": 30.0,
    "PO4": 1.01,
    "SiOH4": 12.83,
    "NO3_NO2": 11.93,
    "NO2": 0.23,
    "NH4": 0.93,
    "NO3": 11.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8657, 59.5838] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2352",
    "depth": 40.0,
    "PO4": 1.15,
    "SiOH4": 14.21,
    "NO3_NO2": 13.48,
    "NO2": 0.23,
    "NH4": 0.97,
    "NO3": 13.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8657, 59.5838] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2352",
    "depth": 50.0,
    "PO4": 1.27,
    "SiOH4": 15.58,
    "NO3_NO2": 15.22,
    "NO2": 0.2,
    "NH4": 1.23,
    "NO3": 15.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8657, 59.5838] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2352",
    "depth": 75.0,
    "PO4": 1.4,
    "SiOH4": 21.78,
    "NO3_NO2": 22.72,
    "NO2": 0.18,
    "NH4": 1.05,
    "NO3": 22.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8657, 59.5838] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2352",
    "depth": 102.0,
    "PO4": 1.45,
    "SiOH4": 23.26,
    "NO3_NO2": 24.33,
    "NO2": 0.03,
    "NH4": 0.75,
    "NO3": 24.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8657, 59.5838] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2352",
    "depth": 126.0,
    "PO4": 1.64,
    "SiOH4": 26.82,
    "NO3_NO2": 27.18,
    "NO2": 0.03,
    "NH4": 0.84,
    "NO3": 27.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8657, 59.5838] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2352",
    "depth": 151.0,
    "PO4": 2.01,
    "SiOH4": 37.3,
    "NO3_NO2": 33.69,
    "NO2": 0.03,
    "NH4": 0.83,
    "NO3": 33.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8657, 59.5838] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 38,
    "stn_id": "CF11",
    "water_depth": 176,
    "month_gmt": "10",
    "day_gmt": "06",
    "time_gmt": "2352",
    "depth": 178.0,
    "PO4": 2.07,
    "SiOH4": 38.5,
    "NO3_NO2": 34.31,
    "NO2": 0.03,
    "NH4": 0.85,
    "NO3": 34.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8657, 59.5178] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0056",
    "depth": 3.0,
    "PO4": 0.93,
    "SiOH4": 12.83,
    "NO3_NO2": 10.48,
    "NO2": 0.15,
    "NH4": 1.16,
    "NO3": 10.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8657, 59.5178] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0056",
    "depth": 11.0,
    "PO4": 0.86,
    "SiOH4": 12.83,
    "NO3_NO2": 10.54,
    "NO2": 0.17,
    "NH4": 1.37,
    "NO3": 10.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8657, 59.5178] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0056",
    "depth": 19.0,
    "PO4": 0.93,
    "SiOH4": 13.66,
    "NO3_NO2": 11.72,
    "NO2": 0.17,
    "NH4": 1.37,
    "NO3": 11.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8657, 59.5178] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0056",
    "depth": 29.0,
    "PO4": 0.94,
    "SiOH4": 14.21,
    "NO3_NO2": 12.4,
    "NO2": 0.14,
    "NH4": 1.18,
    "NO3": 12.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8657, 59.5178] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0056",
    "depth": 40.0,
    "PO4": 1.0,
    "SiOH4": 15.85,
    "NO3_NO2": 14.2,
    "NO2": 0.12,
    "NH4": 1.31,
    "NO3": 14.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8657, 59.5178] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0056",
    "depth": 50.0,
    "PO4": 1.16,
    "SiOH4": 18.54,
    "NO3_NO2": 17.3,
    "NO2": 0.07,
    "NH4": 1.26,
    "NO3": 17.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8657, 59.5178] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0056",
    "depth": 78.0,
    "PO4": 1.5,
    "SiOH4": 24.79,
    "NO3_NO2": 24.18,
    "NO2": 0.01,
    "NH4": 1.31,
    "NO3": 24.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8657, 59.5178] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0056",
    "depth": 102.0,
    "PO4": 1.56,
    "SiOH4": 25.94,
    "NO3_NO2": 25.17,
    "NO2": 0.01,
    "NH4": 1.47,
    "NO3": 25.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8657, 59.5178] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0056",
    "depth": 125.0,
    "PO4": 1.63,
    "SiOH4": 29.24,
    "NO3_NO2": 27.59,
    "NO2": 0.01,
    "NH4": 1.33,
    "NO3": 27.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8657, 59.5178] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0056",
    "depth": 150.0,
    "PO4": 1.93,
    "SiOH4": 38.56,
    "NO3_NO2": 33.3,
    "NO2": 0.01,
    "NH4": 1.55,
    "NO3": 33.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8657, 59.5178] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0056",
    "depth": 174.0,
    "PO4": 2.05,
    "SiOH4": 42.34,
    "NO3_NO2": 34.66,
    "NO2": 0.03,
    "NH4": 1.47,
    "NO3": 34.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.4502] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0202",
    "depth": 3.0,
    "PO4": 0.71,
    "SiOH4": 11.41,
    "NO3_NO2": 9.66,
    "NO2": 0.16,
    "NH4": 1.27,
    "NO3": 9.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.4502] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0202",
    "depth": 12.0,
    "PO4": 0.78,
    "SiOH4": 11.35,
    "NO3_NO2": 9.78,
    "NO2": 0.16,
    "NH4": 1.17,
    "NO3": 9.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.4502] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0202",
    "depth": 22.0,
    "PO4": 0.9,
    "SiOH4": 11.63,
    "NO3_NO2": 10.83,
    "NO2": 0.18,
    "NH4": 1.54,
    "NO3": 10.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.4502] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0202",
    "depth": 29.0,
    "PO4": 0.93,
    "SiOH4": 12.73,
    "NO3_NO2": 11.82,
    "NO2": 0.15,
    "NH4": 1.7,
    "NO3": 11.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.4502] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0202",
    "depth": 40.0,
    "PO4": 0.88,
    "SiOH4": 14.75,
    "NO3_NO2": 13.68,
    "NO2": 0.15,
    "NH4": 1.97,
    "NO3": 13.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.4502] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0202",
    "depth": 49.0,
    "PO4": 1.36,
    "SiOH4": 21.23,
    "NO3_NO2": 21.5,
    "NO2": 0.08,
    "NH4": 1.65,
    "NO3": 21.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.4502] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0202",
    "depth": 75.0,
    "PO4": 1.5,
    "SiOH4": 24.24,
    "NO3_NO2": 24.41,
    "NO2": 0.02,
    "NH4": 1.7,
    "NO3": 24.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.4502] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0202",
    "depth": 101.0,
    "PO4": 1.54,
    "SiOH4": 25.94,
    "NO3_NO2": 25.77,
    "NO2": 0.02,
    "NH4": 1.7,
    "NO3": 25.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.4502] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0202",
    "depth": 126.0,
    "PO4": 1.68,
    "SiOH4": 30.94,
    "NO3_NO2": 29.0,
    "NO2": 0.02,
    "NH4": 2.29,
    "NO3": 28.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.4502] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0202",
    "depth": 151.0,
    "PO4": 1.94,
    "SiOH4": 38.83,
    "NO3_NO2": 33.52,
    "NO2": 0.04,
    "NH4": 2.31,
    "NO3": 33.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.4502] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "CF15",
    "water_depth": 182,
    "month_gmt": "10",
    "day_gmt": "07",
    "time_gmt": "0202",
    "depth": 182.0,
    "PO4": 2.1,
    "SiOH4": 43.77,
    "NO3_NO2": 35.63,
    "NO2": 0.04,
    "NH4": 2.34,
    "NO3": 35.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9088, 59.2622] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 43,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2044",
    "depth": 4.0,
    "PO4": 0.88,
    "SiOH4": 13.4,
    "NO3_NO2": 9.05,
    "NO2": 0.12,
    "NH4": 0.69,
    "NO3": 8.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9088, 59.2622] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 43,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2044",
    "depth": 10.0,
    "PO4": 0.97,
    "SiOH4": 13.42,
    "NO3_NO2": 8.14,
    "NO2": 0.12,
    "NH4": 0.67,
    "NO3": 8.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9088, 59.2622] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 43,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2044",
    "depth": 20.0,
    "PO4": 1.01,
    "SiOH4": 13.71,
    "NO3_NO2": 8.29,
    "NO2": 0.11,
    "NH4": 0.86,
    "NO3": 8.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9088, 59.2622] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 43,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2044",
    "depth": 31.0,
    "PO4": 1.04,
    "SiOH4": 13.84,
    "NO3_NO2": 8.45,
    "NO2": 0.11,
    "NH4": 0.9,
    "NO3": 8.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9088, 59.2622] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 43,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2044",
    "depth": 41.0,
    "PO4": 1.08,
    "SiOH4": 14.52,
    "NO3_NO2": 9.3,
    "NO2": 0.11,
    "NH4": 0.77,
    "NO3": 9.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9088, 59.2622] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 43,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2044",
    "depth": 51.0,
    "PO4": 1.43,
    "SiOH4": 20.3,
    "NO3_NO2": 15.58,
    "NO2": 0.05,
    "NH4": 0.68,
    "NO3": 15.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9088, 59.2622] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 43,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2044",
    "depth": 76.0,
    "PO4": 1.69,
    "SiOH4": 25.25,
    "NO3_NO2": 19.94,
    "NO2": 0.0,
    "NH4": 0.53,
    "NO3": 19.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9088, 59.2622] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 43,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2044",
    "depth": 100.0,
    "PO4": 1.75,
    "SiOH4": 27.79,
    "NO3_NO2": 21.53,
    "NO2": 0.0,
    "NH4": 0.65,
    "NO3": 21.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9088, 59.2622] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 43,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2044",
    "depth": 124.0,
    "PO4": 1.82,
    "SiOH4": 28.42,
    "NO3_NO2": 21.95,
    "NO2": 0.02,
    "NH4": 0.58,
    "NO3": 21.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9088, 59.2622] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 43,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2044",
    "depth": 149.0,
    "PO4": 1.89,
    "SiOH4": 31.01,
    "NO3_NO2": 23.39,
    "NO2": 0.02,
    "NH4": 0.68,
    "NO3": 23.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9088, 59.2622] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 43,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2044",
    "depth": 168.0,
    "PO4": 1.96,
    "SiOH4": 34.6,
    "NO3_NO2": 25.41,
    "NO2": 0.01,
    "NH4": 0.7,
    "NO3": 25.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8384, 59.1904] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2140",
    "depth": 3.0,
    "PO4": 0.93,
    "SiOH4": 12.96,
    "NO3_NO2": 8.09,
    "NO2": 0.08,
    "NH4": 0.77,
    "NO3": 8.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8384, 59.1904] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2140",
    "depth": 10.0,
    "PO4": 0.95,
    "SiOH4": 13.14,
    "NO3_NO2": 7.55,
    "NO2": 0.13,
    "NH4": 0.73,
    "NO3": 7.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8384, 59.1904] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2140",
    "depth": 20.0,
    "PO4": 0.96,
    "SiOH4": 13.05,
    "NO3_NO2": 7.55,
    "NO2": 0.13,
    "NH4": 0.63,
    "NO3": 7.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8384, 59.1904] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2140",
    "depth": 31.0,
    "PO4": 0.99,
    "SiOH4": 13.57,
    "NO3_NO2": 8.45,
    "NO2": 0.17,
    "NH4": 0.7,
    "NO3": 8.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8384, 59.1904] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2140",
    "depth": 42.0,
    "PO4": 1.27,
    "SiOH4": 17.54,
    "NO3_NO2": 13.4,
    "NO2": 0.24,
    "NH4": 0.58,
    "NO3": 13.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8384, 59.1904] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2140",
    "depth": 51.0,
    "PO4": 1.49,
    "SiOH4": 21.67,
    "NO3_NO2": 17.49,
    "NO2": 0.07,
    "NH4": 0.48,
    "NO3": 17.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8384, 59.1904] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2140",
    "depth": 101.0,
    "PO4": 1.73,
    "SiOH4": 27.88,
    "NO3_NO2": 21.86,
    "NO2": 0.01,
    "NH4": 0.61,
    "NO3": 21.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8384, 59.1904] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2140",
    "depth": 124.0,
    "PO4": 1.95,
    "SiOH4": 33.93,
    "NO3_NO2": 25.74,
    "NO2": 0.01,
    "NH4": 0.6,
    "NO3": 25.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8384, 59.1904] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2140",
    "depth": 148.0,
    "PO4": 2.06,
    "SiOH4": 36.97,
    "NO3_NO2": 27.33,
    "NO2": 0.01,
    "NH4": 0.64,
    "NO3": 27.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8384, 59.1904] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "GAK5I",
    "water_depth": 165,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2140",
    "depth": 166.0,
    "PO4": 2.06,
    "SiOH4": 37.21,
    "NO3_NO2": 27.54,
    "NO2": 0.0,
    "NH4": 0.68,
    "NO3": 27.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7696, 59.1172] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2233",
    "depth": 3.0,
    "PO4": 0.9,
    "SiOH4": 13.13,
    "NO3_NO2": 8.69,
    "NO2": 0.1,
    "NH4": 0.68,
    "NO3": 8.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7696, 59.1172] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2233",
    "depth": 11.0,
    "PO4": 0.95,
    "SiOH4": 13.12,
    "NO3_NO2": 8.42,
    "NO2": 0.12,
    "NH4": 0.81,
    "NO3": 8.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7696, 59.1172] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2233",
    "depth": 21.0,
    "PO4": 0.96,
    "SiOH4": 12.89,
    "NO3_NO2": 8.42,
    "NO2": 0.09,
    "NH4": 0.82,
    "NO3": 8.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7696, 59.1172] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2233",
    "depth": 30.0,
    "PO4": 0.95,
    "SiOH4": 13.1,
    "NO3_NO2": 8.53,
    "NO2": 0.12,
    "NH4": 0.87,
    "NO3": 8.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7696, 59.1172] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2233",
    "depth": 41.0,
    "PO4": 1.02,
    "SiOH4": 13.58,
    "NO3_NO2": 9.28,
    "NO2": 0.12,
    "NH4": 0.8,
    "NO3": 9.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7696, 59.1172] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2233",
    "depth": 76.0,
    "PO4": 1.63,
    "SiOH4": 24.2,
    "NO3_NO2": 20.95,
    "NO2": 0.02,
    "NH4": 0.63,
    "NO3": 20.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7696, 59.1172] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2233",
    "depth": 100.0,
    "PO4": 1.8,
    "SiOH4": 28.8,
    "NO3_NO2": 24.41,
    "NO2": 0.02,
    "NH4": 0.76,
    "NO3": 24.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7696, 59.1172] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2233",
    "depth": 126.0,
    "PO4": 2.01,
    "SiOH4": 34.92,
    "NO3_NO2": 28.14,
    "NO2": 0.01,
    "NH4": 0.75,
    "NO3": 28.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7696, 59.1172] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "10",
    "day_gmt": "08",
    "time_gmt": "2233",
    "depth": 152.0,
    "PO4": 2.04,
    "SiOH4": 35.95,
    "NO3_NO2": 28.89,
    "NO2": 0.01,
    "NH4": 0.74,
    "NO3": 28.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.629, 58.9721] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0002",
    "depth": 3.0,
    "PO4": 0.93,
    "SiOH4": 13.3,
    "NO3_NO2": 9.77,
    "NO2": 0.09,
    "NH4": 0.87,
    "NO3": 9.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.629, 58.9721] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0002",
    "depth": 12.0,
    "PO4": 0.97,
    "SiOH4": 13.45,
    "NO3_NO2": 9.78,
    "NO2": 0.09,
    "NH4": 0.94,
    "NO3": 9.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.629, 58.9721] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0002",
    "depth": 21.0,
    "PO4": 0.95,
    "SiOH4": 13.22,
    "NO3_NO2": 9.72,
    "NO2": 0.08,
    "NH4": 0.96,
    "NO3": 9.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.629, 58.9721] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0002",
    "depth": 30.0,
    "PO4": 0.99,
    "SiOH4": 13.15,
    "NO3_NO2": 9.73,
    "NO2": 0.08,
    "NH4": 0.97,
    "NO3": 9.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.629, 58.9721] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0002",
    "depth": 41.0,
    "PO4": 1.11,
    "SiOH4": 15.0,
    "NO3_NO2": 12.45,
    "NO2": 0.08,
    "NH4": 0.94,
    "NO3": 12.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.629, 58.9721] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0002",
    "depth": 52.0,
    "PO4": 1.49,
    "SiOH4": 20.09,
    "NO3_NO2": 19.74,
    "NO2": 0.01,
    "NH4": 0.87,
    "NO3": 19.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.629, 58.9721] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0002",
    "depth": 76.0,
    "PO4": 1.53,
    "SiOH4": 21.45,
    "NO3_NO2": 21.82,
    "NO2": 0.01,
    "NH4": 0.94,
    "NO3": 21.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.629, 58.9721] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0002",
    "depth": 100.0,
    "PO4": 1.62,
    "SiOH4": 23.52,
    "NO3_NO2": 21.72,
    "NO2": 0.0,
    "NH4": 1.05,
    "NO3": 21.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.629, 58.9721] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0002",
    "depth": 150.0,
    "PO4": 2.19,
    "SiOH4": 40.28,
    "NO3_NO2": 32.27,
    "NO2": 0.0,
    "NH4": 1.2,
    "NO3": 32.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.629, 58.9721] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0002",
    "depth": 200.0,
    "PO4": 2.43,
    "SiOH4": 46.96,
    "NO3_NO2": 35.57,
    "NO2": 0.0,
    "NH4": 1.5,
    "NO3": 35.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.629, 58.9721] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0002",
    "depth": 241.0,
    "PO4": 2.48,
    "SiOH4": 47.99,
    "NO3_NO2": 36.53,
    "NO2": 0.0,
    "NH4": 1.46,
    "NO3": 36.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4893, 58.7904] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "GAK8",
    "water_depth": 289,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0154",
    "depth": 2.0,
    "PO4": 0.96,
    "SiOH4": 13.58,
    "NO3_NO2": 9.22,
    "NO2": 0.12,
    "NH4": 0.56,
    "NO3": 9.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4893, 58.7904] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "GAK8",
    "water_depth": 289,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0154",
    "depth": 9.0,
    "PO4": 0.97,
    "SiOH4": 13.47,
    "NO3_NO2": 9.06,
    "NO2": 0.17,
    "NH4": 0.53,
    "NO3": 8.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4893, 58.7904] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "GAK8",
    "water_depth": 289,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0154",
    "depth": 22.0,
    "PO4": 0.96,
    "SiOH4": 13.41,
    "NO3_NO2": 9.17,
    "NO2": 0.12,
    "NH4": 0.56,
    "NO3": 9.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4893, 58.7904] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "GAK8",
    "water_depth": 289,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0154",
    "depth": 32.0,
    "PO4": 1.03,
    "SiOH4": 13.56,
    "NO3_NO2": 9.33,
    "NO2": 0.12,
    "NH4": 0.84,
    "NO3": 9.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4893, 58.7904] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "GAK8",
    "water_depth": 289,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0154",
    "depth": 41.0,
    "PO4": 1.13,
    "SiOH4": 15.26,
    "NO3_NO2": 11.73,
    "NO2": 0.12,
    "NH4": 0.81,
    "NO3": 11.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4893, 58.7904] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "GAK8",
    "water_depth": 289,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0154",
    "depth": 52.0,
    "PO4": 1.51,
    "SiOH4": 19.75,
    "NO3_NO2": 18.55,
    "NO2": 0.07,
    "NH4": 0.81,
    "NO3": 18.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4893, 58.7904] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "GAK8",
    "water_depth": 289,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0154",
    "depth": 75.0,
    "PO4": 1.6,
    "SiOH4": 23.14,
    "NO3_NO2": 20.58,
    "NO2": 0.0,
    "NH4": 0.84,
    "NO3": 20.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4893, 58.7904] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "GAK8",
    "water_depth": 289,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0154",
    "depth": 102.0,
    "PO4": 1.73,
    "SiOH4": 25.82,
    "NO3_NO2": 21.64,
    "NO2": 0.0,
    "NH4": 0.98,
    "NO3": 21.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4893, 58.7904] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "GAK8",
    "water_depth": 289,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0154",
    "depth": 174.0,
    "PO4": 2.34,
    "SiOH4": 41.88,
    "NO3_NO2": 33.31,
    "NO2": 0.0,
    "NH4": 0.75,
    "NO3": 33.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4893, 58.7904] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 48,
    "stn_id": "GAK8",
    "water_depth": 289,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0154",
    "depth": 286.0,
    "PO4": 3.0,
    "SiOH4": null,
    "NO3_NO2": 43.06,
    "NO2": 0.0,
    "NH4": 0.87,
    "NO3": 43.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4195, 58.7409] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 49,
    "stn_id": "GAK8I",
    "water_depth": 289,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0243",
    "depth": 2.0,
    "PO4": 0.94,
    "SiOH4": 13.3,
    "NO3_NO2": 9.08,
    "NO2": 0.1,
    "NH4": 0.7,
    "NO3": 8.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4195, 58.7409] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 49,
    "stn_id": "GAK8I",
    "water_depth": 289,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0243",
    "depth": 10.0,
    "PO4": 0.99,
    "SiOH4": 13.29,
    "NO3_NO2": 9.24,
    "NO2": 0.12,
    "NH4": 0.56,
    "NO3": 9.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4195, 58.7409] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 49,
    "stn_id": "GAK8I",
    "water_depth": 289,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0243",
    "depth": 21.0,
    "PO4": 1.01,
    "SiOH4": 13.34,
    "NO3_NO2": 9.46,
    "NO2": 0.12,
    "NH4": 0.92,
    "NO3": 9.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4195, 58.7409] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 49,
    "stn_id": "GAK8I",
    "water_depth": 289,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0243",
    "depth": 31.0,
    "PO4": 1.0,
    "SiOH4": 13.39,
    "NO3_NO2": 9.62,
    "NO2": 0.12,
    "NH4": 0.64,
    "NO3": 9.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4195, 58.7409] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 49,
    "stn_id": "GAK8I",
    "water_depth": 289,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0243",
    "depth": 40.0,
    "PO4": 1.22,
    "SiOH4": 16.62,
    "NO3_NO2": 13.62,
    "NO2": 0.12,
    "NH4": 0.84,
    "NO3": 13.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4195, 58.7409] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 49,
    "stn_id": "GAK8I",
    "water_depth": 289,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0243",
    "depth": 52.0,
    "PO4": 1.53,
    "SiOH4": 20.89,
    "NO3_NO2": 19.48,
    "NO2": 0.05,
    "NH4": 0.64,
    "NO3": 19.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4195, 58.7409] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 49,
    "stn_id": "GAK8I",
    "water_depth": 289,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0243",
    "depth": 75.0,
    "PO4": 1.54,
    "SiOH4": 21.98,
    "NO3_NO2": 20.28,
    "NO2": 0.02,
    "NH4": 0.7,
    "NO3": 20.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4195, 58.7409] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 49,
    "stn_id": "GAK8I",
    "water_depth": 289,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0243",
    "depth": 102.0,
    "PO4": 1.69,
    "SiOH4": 25.26,
    "NO3_NO2": 22.41,
    "NO2": 0.02,
    "NH4": 0.84,
    "NO3": 22.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4195, 58.7409] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 49,
    "stn_id": "GAK8I",
    "water_depth": 289,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0243",
    "depth": 150.0,
    "PO4": 2.12,
    "SiOH4": 37.54,
    "NO3_NO2": 30.13,
    "NO2": 0.02,
    "NH4": 0.84,
    "NO3": 30.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4195, 58.7409] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 49,
    "stn_id": "GAK8I",
    "water_depth": 289,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0243",
    "depth": 199.0,
    "PO4": 2.57,
    "SiOH4": 50.58,
    "NO3_NO2": 38.39,
    "NO2": 0.02,
    "NH4": 0.84,
    "NO3": 38.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4195, 58.7409] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 49,
    "stn_id": "GAK8I",
    "water_depth": 289,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0243",
    "depth": 287.0,
    "PO4": 3.01,
    "SiOH4": null,
    "NO3_NO2": 44.79,
    "NO2": 0.02,
    "NH4": 0.87,
    "NO3": 44.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3492, 58.6777] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0330",
    "depth": 3.0,
    "PO4": 0.97,
    "SiOH4": 12.89,
    "NO3_NO2": 11.02,
    "NO2": 0.07,
    "NH4": 1.04,
    "NO3": 10.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3492, 58.6777] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0330",
    "depth": 11.0,
    "PO4": 1.03,
    "SiOH4": 11.9,
    "NO3_NO2": 11.13,
    "NO2": 0.07,
    "NH4": 1.05,
    "NO3": 11.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3492, 58.6777] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0330",
    "depth": 23.0,
    "PO4": 1.05,
    "SiOH4": 11.79,
    "NO3_NO2": 11.12,
    "NO2": 0.05,
    "NH4": 1.06,
    "NO3": 11.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3492, 58.6777] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0330",
    "depth": 30.0,
    "PO4": 1.05,
    "SiOH4": 11.95,
    "NO3_NO2": 11.28,
    "NO2": 0.05,
    "NH4": 1.04,
    "NO3": 11.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3492, 58.6777] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0330",
    "depth": 40.0,
    "PO4": 1.31,
    "SiOH4": 15.08,
    "NO3_NO2": 15.7,
    "NO2": 0.05,
    "NH4": 0.83,
    "NO3": 15.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3492, 58.6777] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0330",
    "depth": 51.0,
    "PO4": 1.53,
    "SiOH4": 19.19,
    "NO3_NO2": 20.22,
    "NO2": 0.0,
    "NH4": 0.75,
    "NO3": 20.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3492, 58.6777] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0330",
    "depth": 76.0,
    "PO4": 1.58,
    "SiOH4": 20.84,
    "NO3_NO2": 21.39,
    "NO2": 0.0,
    "NH4": 0.71,
    "NO3": 21.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3492, 58.6777] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0330",
    "depth": 101.0,
    "PO4": 1.71,
    "SiOH4": 24.23,
    "NO3_NO2": 23.52,
    "NO2": 0.0,
    "NH4": 0.83,
    "NO3": 23.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3492, 58.6777] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0330",
    "depth": 200.0,
    "PO4": 2.54,
    "SiOH4": 48.09,
    "NO3_NO2": 38.96,
    "NO2": 0.0,
    "NH4": 0.95,
    "NO3": 38.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3492, 58.6777] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 50,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "0330",
    "depth": 278.0,
    "PO4": 3.04,
    "SiOH4": null,
    "NO3_NO2": 45.35,
    "NO2": 0.0,
    "NH4": 1.07,
    "NO3": 45.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3508, 58.679] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 52,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "1913",
    "depth": 3.0,
    "PO4": 0.98,
    "SiOH4": 12.12,
    "NO3_NO2": 10.09,
    "NO2": 0.1,
    "NH4": 1.19,
    "NO3": 9.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3508, 58.679] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 52,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "1913",
    "depth": 7.0,
    "PO4": 0.99,
    "SiOH4": 12.17,
    "NO3_NO2": 10.08,
    "NO2": 0.1,
    "NH4": 1.12,
    "NO3": 9.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3508, 58.679] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 52,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "1913",
    "depth": 12.0,
    "PO4": 0.99,
    "SiOH4": 12.34,
    "NO3_NO2": 10.08,
    "NO2": 0.1,
    "NH4": 1.13,
    "NO3": 9.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3508, 58.679] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 52,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "1913",
    "depth": 21.0,
    "PO4": 0.99,
    "SiOH4": 12.67,
    "NO3_NO2": 10.08,
    "NO2": 0.07,
    "NH4": 1.14,
    "NO3": 10.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3508, 58.679] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 52,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "1913",
    "depth": 29.0,
    "PO4": 0.99,
    "SiOH4": 12.72,
    "NO3_NO2": 10.18,
    "NO2": 0.07,
    "NH4": 1.45,
    "NO3": 10.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3508, 58.679] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 52,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "1913",
    "depth": 44.0,
    "PO4": 1.43,
    "SiOH4": 19.9,
    "NO3_NO2": 18.17,
    "NO2": 0.05,
    "NH4": 1.1,
    "NO3": 18.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2751, 58.6113] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "2005",
    "depth": 3.0,
    "PO4": 0.93,
    "SiOH4": 13.28,
    "NO3_NO2": 9.91,
    "NO2": 0.12,
    "NH4": 1.13,
    "NO3": 9.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2751, 58.6113] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "2005",
    "depth": 11.0,
    "PO4": 1.02,
    "SiOH4": 13.11,
    "NO3_NO2": 10.01,
    "NO2": 0.14,
    "NH4": 1.23,
    "NO3": 9.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2751, 58.6113] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "2005",
    "depth": 20.0,
    "PO4": 1.04,
    "SiOH4": 12.89,
    "NO3_NO2": 10.06,
    "NO2": 0.17,
    "NH4": 1.19,
    "NO3": 9.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2751, 58.6113] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "2005",
    "depth": 31.0,
    "PO4": 1.06,
    "SiOH4": 13.26,
    "NO3_NO2": 10.32,
    "NO2": 0.16,
    "NH4": 1.39,
    "NO3": 10.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2751, 58.6113] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "2005",
    "depth": 40.0,
    "PO4": 1.28,
    "SiOH4": 17.12,
    "NO3_NO2": 14.48,
    "NO2": 0.14,
    "NH4": 1.13,
    "NO3": 14.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2751, 58.6113] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "2005",
    "depth": 51.0,
    "PO4": 1.57,
    "SiOH4": 21.58,
    "NO3_NO2": 19.2,
    "NO2": 0.06,
    "NH4": 1.1,
    "NO3": 19.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2751, 58.6113] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "2005",
    "depth": 75.0,
    "PO4": 1.57,
    "SiOH4": 22.49,
    "NO3_NO2": 19.61,
    "NO2": 0.03,
    "NH4": 1.29,
    "NO3": 19.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2751, 58.6113] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "2005",
    "depth": 100.0,
    "PO4": 1.72,
    "SiOH4": 26.46,
    "NO3_NO2": 22.18,
    "NO2": 0.0,
    "NH4": 1.39,
    "NO3": 22.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2751, 58.6113] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "2005",
    "depth": 124.0,
    "PO4": 2.01,
    "SiOH4": 34.79,
    "NO3_NO2": 27.62,
    "NO2": 0.0,
    "NH4": 1.52,
    "NO3": 27.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2751, 58.6113] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "2005",
    "depth": 251.0,
    "PO4": 2.76,
    "SiOH4": null,
    "NO3_NO2": 39.64,
    "NO2": 0.0,
    "NH4": 1.61,
    "NO3": 39.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2751, 58.6113] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "2005",
    "depth": 500.0,
    "PO4": 3.23,
    "SiOH4": null,
    "NO3_NO2": 45.55,
    "NO2": 0.0,
    "NH4": 1.65,
    "NO3": 45.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2751, 58.6113] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 53,
    "stn_id": "GAK9I",
    "water_depth": 685,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "2005",
    "depth": 689.0,
    "PO4": 3.31,
    "SiOH4": null,
    "NO3_NO2": 46.42,
    "NO2": 0.0,
    "NH4": 1.55,
    "NO3": 46.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2091, 58.5418] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "GAK10",
    "water_depth": 1470,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "2116",
    "depth": 2.0,
    "PO4": 0.89,
    "SiOH4": 10.22,
    "NO3_NO2": 7.99,
    "NO2": 0.14,
    "NH4": 1.35,
    "NO3": 7.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2091, 58.5418] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "GAK10",
    "water_depth": 1470,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "2116",
    "depth": 11.0,
    "PO4": 0.94,
    "SiOH4": 10.05,
    "NO3_NO2": 7.99,
    "NO2": 0.19,
    "NH4": 1.48,
    "NO3": 7.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2091, 58.5418] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "GAK10",
    "water_depth": 1470,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "2116",
    "depth": 24.0,
    "PO4": 0.95,
    "SiOH4": 10.04,
    "NO3_NO2": 9.48,
    "NO2": 0.16,
    "NH4": 1.65,
    "NO3": 9.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2091, 58.5418] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "GAK10",
    "water_depth": 1470,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "2116",
    "depth": 50.0,
    "PO4": 1.61,
    "SiOH4": 23.81,
    "NO3_NO2": 19.75,
    "NO2": 0.11,
    "NH4": 1.0,
    "NO3": 19.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2091, 58.5418] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "GAK10",
    "water_depth": 1470,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "2116",
    "depth": 77.0,
    "PO4": 1.72,
    "SiOH4": 26.06,
    "NO3_NO2": 21.8,
    "NO2": 0.08,
    "NH4": 0.58,
    "NO3": 21.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2091, 58.5418] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "GAK10",
    "water_depth": 1470,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "2116",
    "depth": 100.0,
    "PO4": 1.82,
    "SiOH4": 28.63,
    "NO3_NO2": 23.65,
    "NO2": 0.08,
    "NH4": 0.94,
    "NO3": 23.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2091, 58.5418] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "GAK10",
    "water_depth": 1470,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "2116",
    "depth": 250.0,
    "PO4": 2.69,
    "SiOH4": null,
    "NO3_NO2": 39.21,
    "NO2": 0.03,
    "NH4": 1.42,
    "NO3": 39.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2091, 58.5418] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "GAK10",
    "water_depth": 1470,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "2116",
    "depth": 501.0,
    "PO4": 3.22,
    "SiOH4": null,
    "NO3_NO2": 45.84,
    "NO2": 0.05,
    "NH4": 1.61,
    "NO3": 45.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2091, 58.5418] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "GAK10",
    "water_depth": 1470,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "2116",
    "depth": 750.0,
    "PO4": 3.33,
    "SiOH4": null,
    "NO3_NO2": 47.33,
    "NO2": 0.02,
    "NH4": 1.52,
    "NO3": 47.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2091, 58.5418] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "GAK10",
    "water_depth": 1470,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "2116",
    "depth": 1000.0,
    "PO4": 3.39,
    "SiOH4": null,
    "NO3_NO2": 47.33,
    "NO2": 0.02,
    "NH4": 1.87,
    "NO3": 47.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2091, 58.5418] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 54,
    "stn_id": "GAK10",
    "water_depth": 1470,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "2116",
    "depth": 1479.0,
    "PO4": 3.35,
    "SiOH4": null,
    "NO3_NO2": 47.12,
    "NO2": 0.02,
    "NH4": 1.84,
    "NO3": 47.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0688, 58.3877] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "2354",
    "depth": 3.0,
    "PO4": 0.84,
    "SiOH4": 11.66,
    "NO3_NO2": 7.07,
    "NO2": 0.07,
    "NH4": 1.27,
    "NO3": 7.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0688, 58.3877] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "2354",
    "depth": 11.0,
    "PO4": 0.86,
    "SiOH4": 11.44,
    "NO3_NO2": 7.06,
    "NO2": 0.09,
    "NH4": 1.44,
    "NO3": 6.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0688, 58.3877] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "2354",
    "depth": 23.0,
    "PO4": 0.85,
    "SiOH4": 11.43,
    "NO3_NO2": 7.15,
    "NO2": 0.11,
    "NH4": 1.84,
    "NO3": 7.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0688, 58.3877] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "2354",
    "depth": 51.0,
    "PO4": 1.48,
    "SiOH4": 21.55,
    "NO3_NO2": 18.19,
    "NO2": 0.01,
    "NH4": 1.68,
    "NO3": 18.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0688, 58.3877] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "2354",
    "depth": 75.0,
    "PO4": 1.66,
    "SiOH4": 26.33,
    "NO3_NO2": 21.21,
    "NO2": 0.01,
    "NH4": 1.53,
    "NO3": 21.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0688, 58.3877] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "2354",
    "depth": 100.0,
    "PO4": 1.81,
    "SiOH4": 29.34,
    "NO3_NO2": 23.36,
    "NO2": 0.0,
    "NH4": 1.67,
    "NO3": 23.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0688, 58.3877] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "2354",
    "depth": 175.0,
    "PO4": 2.37,
    "SiOH4": 46.35,
    "NO3_NO2": 34.29,
    "NO2": 0.0,
    "NH4": 1.48,
    "NO3": 34.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0688, 58.3877] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "2354",
    "depth": 251.0,
    "PO4": 2.77,
    "SiOH4": null,
    "NO3_NO2": 40.19,
    "NO2": 0.0,
    "NH4": 1.94,
    "NO3": 40.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0688, 58.3877] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "2354",
    "depth": 499.0,
    "PO4": 3.35,
    "SiOH4": null,
    "NO3_NO2": 47.32,
    "NO2": 0.0,
    "NH4": 2.14,
    "NO3": 47.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0688, 58.3877] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "2354",
    "depth": 750.0,
    "PO4": 3.31,
    "SiOH4": null,
    "NO3_NO2": 46.89,
    "NO2": 0.02,
    "NH4": 1.82,
    "NO3": 46.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0688, 58.3877] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "2354",
    "depth": 1000.0,
    "PO4": 3.22,
    "SiOH4": null,
    "NO3_NO2": 45.86,
    "NO2": 0.02,
    "NH4": 2.06,
    "NO3": 45.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0688, 58.3877] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 55,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "10",
    "day_gmt": "09",
    "time_gmt": "2354",
    "depth": 1433.0,
    "PO4": 3.3,
    "SiOH4": null,
    "NO3_NO2": 47.13,
    "NO2": 0.01,
    "NH4": 1.9,
    "NO3": 47.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9306, 58.2441] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "GAK12",
    "water_depth": 1449,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "0243",
    "depth": 2.0,
    "PO4": 0.86,
    "SiOH4": 12.03,
    "NO3_NO2": 7.13,
    "NO2": 0.12,
    "NH4": 3.54,
    "NO3": 7.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9306, 58.2441] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "GAK12",
    "water_depth": 1449,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "0243",
    "depth": 10.0,
    "PO4": 0.89,
    "SiOH4": 11.64,
    "NO3_NO2": 7.08,
    "NO2": 0.12,
    "NH4": 2.84,
    "NO3": 6.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9306, 58.2441] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "GAK12",
    "water_depth": 1449,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "0243",
    "depth": 26.0,
    "PO4": 0.91,
    "SiOH4": 11.52,
    "NO3_NO2": 7.18,
    "NO2": 0.14,
    "NH4": 3.5,
    "NO3": 7.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9306, 58.2441] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "GAK12",
    "water_depth": 1449,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "0243",
    "depth": 51.0,
    "PO4": 1.53,
    "SiOH4": 20.71,
    "NO3_NO2": 18.48,
    "NO2": 0.02,
    "NH4": 3.32,
    "NO3": 18.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9306, 58.2441] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "GAK12",
    "water_depth": 1449,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "0243",
    "depth": 75.0,
    "PO4": 1.55,
    "SiOH4": 22.1,
    "NO3_NO2": 18.99,
    "NO2": 0.02,
    "NH4": 3.46,
    "NO3": 18.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9306, 58.2441] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "GAK12",
    "water_depth": 1449,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "0243",
    "depth": 99.0,
    "PO4": 1.6,
    "SiOH4": 23.22,
    "NO3_NO2": 19.96,
    "NO2": 0.02,
    "NH4": 3.83,
    "NO3": 19.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9306, 58.2441] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "GAK12",
    "water_depth": 1449,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "0243",
    "depth": 250.0,
    "PO4": 2.63,
    "SiOH4": null,
    "NO3_NO2": 37.01,
    "NO2": 0.01,
    "NH4": 3.97,
    "NO3": 37.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9306, 58.2441] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "GAK12",
    "water_depth": 1449,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "0243",
    "depth": 499.0,
    "PO4": 3.18,
    "SiOH4": null,
    "NO3_NO2": 43.84,
    "NO2": 0.01,
    "NH4": 3.6,
    "NO3": 43.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9306, 58.2441] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "GAK12",
    "water_depth": 1449,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "0243",
    "depth": 751.0,
    "PO4": 3.33,
    "SiOH4": null,
    "NO3_NO2": 45.49,
    "NO2": 0.01,
    "NH4": 3.64,
    "NO3": 45.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9306, 58.2441] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "GAK12",
    "water_depth": 1449,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "0243",
    "depth": 1000.0,
    "PO4": 3.36,
    "SiOH4": null,
    "NO3_NO2": 45.84,
    "NO2": 0.01,
    "NH4": 3.27,
    "NO3": 45.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9306, 58.2441] },
  "properties": {
    "cruise_id": "HX237",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "GAK12",
    "water_depth": 1449,
    "month_gmt": "10",
    "day_gmt": "10",
    "time_gmt": "0243",
    "depth": 1499.0,
    "PO4": 3.34,
    "SiOH4": null,
    "NO3_NO2": 45.84,
    "NO2": 0.01,
    "NH4": 3.7,
    "NO3": 45.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3586, 60.0243] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 294,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1912",
    "depth": 2.0,
    "PO4": 0.83,
    "SiOH4": 13.44,
    "NO3_NO2": 9.3,
    "NO2": 0.02,
    "NH4": 0.76,
    "NO3": 9.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3586, 60.0243] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 294,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1912",
    "depth": 10.0,
    "PO4": 0.93,
    "SiOH4": 13.41,
    "NO3_NO2": 9.54,
    "NO2": 0.02,
    "NH4": 0.79,
    "NO3": 9.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3586, 60.0243] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 294,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1912",
    "depth": 20.0,
    "PO4": 0.97,
    "SiOH4": 13.5,
    "NO3_NO2": 9.63,
    "NO2": 0.1,
    "NH4": 0.82,
    "NO3": 9.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3586, 60.0243] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 294,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1912",
    "depth": 32.0,
    "PO4": 1.07,
    "SiOH4": 13.82,
    "NO3_NO2": 10.54,
    "NO2": 0.12,
    "NH4": 0.56,
    "NO3": 10.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3586, 60.0243] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 294,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1912",
    "depth": 41.0,
    "PO4": 1.1,
    "SiOH4": 14.9,
    "NO3_NO2": 11.03,
    "NO2": 0.07,
    "NH4": 0.5,
    "NO3": 10.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3586, 60.0243] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 294,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1912",
    "depth": 52.0,
    "PO4": 1.14,
    "SiOH4": 15.22,
    "NO3_NO2": 11.23,
    "NO2": 0.02,
    "NH4": 0.82,
    "NO3": 11.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3586, 60.0243] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 294,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1912",
    "depth": 73.0,
    "PO4": 1.22,
    "SiOH4": 16.41,
    "NO3_NO2": 12.38,
    "NO2": 0.02,
    "NH4": 0.84,
    "NO3": 12.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3586, 60.0243] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 294,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1912",
    "depth": 100.0,
    "PO4": 1.28,
    "SiOH4": 17.55,
    "NO3_NO2": 13.33,
    "NO2": 0.01,
    "NH4": 0.79,
    "NO3": 13.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3586, 60.0243] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 294,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1912",
    "depth": 150.0,
    "PO4": 1.63,
    "SiOH4": 22.65,
    "NO3_NO2": 18.08,
    "NO2": 0.01,
    "NH4": 1.02,
    "NO3": 18.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3586, 60.0243] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 294,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1912",
    "depth": 204.0,
    "PO4": 2.07,
    "SiOH4": 31.78,
    "NO3_NO2": 23.48,
    "NO2": 0.01,
    "NH4": 1.0,
    "NO3": 23.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3586, 60.0243] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 294,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1912",
    "depth": 251.0,
    "PO4": 2.34,
    "SiOH4": 38.16,
    "NO3_NO2": 26.61,
    "NO2": 0.0,
    "NH4": 0.83,
    "NO3": 26.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3586, 60.0243] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 294,
    "month_gmt": "12",
    "day_gmt": "01",
    "time_gmt": "1912",
    "depth": 290.0,
    "PO4": 2.64,
    "SiOH4": 43.79,
    "NO3_NO2": 27.56,
    "NO2": 0.0,
    "NH4": 1.1,
    "NO3": 27.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4669, 59.8451] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0111",
    "depth": 2.0,
    "PO4": 0.9,
    "SiOH4": 13.2,
    "NO3_NO2": 9.34,
    "NO2": 0.02,
    "NH4": 0.8,
    "NO3": 9.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4669, 59.8451] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0111",
    "depth": 10.0,
    "PO4": 0.9,
    "SiOH4": 13.22,
    "NO3_NO2": 9.34,
    "NO2": 0.01,
    "NH4": 0.7,
    "NO3": 9.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4669, 59.8451] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0111",
    "depth": 29.0,
    "PO4": 0.94,
    "SiOH4": 13.54,
    "NO3_NO2": 9.43,
    "NO2": 0.03,
    "NH4": 0.65,
    "NO3": 9.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4669, 59.8451] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0111",
    "depth": 53.0,
    "PO4": 1.08,
    "SiOH4": 15.85,
    "NO3_NO2": 11.09,
    "NO2": 0.01,
    "NH4": 0.63,
    "NO3": 11.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4669, 59.8451] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0111",
    "depth": 76.0,
    "PO4": 1.23,
    "SiOH4": 18.32,
    "NO3_NO2": 12.85,
    "NO2": 0.0,
    "NH4": 0.5,
    "NO3": 12.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4669, 59.8451] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0111",
    "depth": 103.0,
    "PO4": 1.29,
    "SiOH4": 18.93,
    "NO3_NO2": 13.8,
    "NO2": 0.0,
    "NH4": 0.52,
    "NO3": 13.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4669, 59.8451] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0111",
    "depth": 152.0,
    "PO4": 1.59,
    "SiOH4": 24.33,
    "NO3_NO2": 18.04,
    "NO2": 0.02,
    "NH4": 0.63,
    "NO3": 18.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4669, 59.8451] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0111",
    "depth": 203.0,
    "PO4": 1.98,
    "SiOH4": 32.87,
    "NO3_NO2": 23.19,
    "NO2": 0.01,
    "NH4": 0.78,
    "NO3": 23.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4669, 59.8451] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0111",
    "depth": 246.0,
    "PO4": 2.18,
    "SiOH4": 37.86,
    "NO3_NO2": 25.51,
    "NO2": 0.01,
    "NH4": 0.97,
    "NO3": 25.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4669, 59.8451] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0111",
    "depth": 268.0,
    "PO4": 2.45,
    "SiOH4": 47.34,
    "NO3_NO2": 27.47,
    "NO2": 0.03,
    "NH4": 1.12,
    "NO3": 27.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3986, 59.7643] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0213",
    "depth": 4.0,
    "PO4": 0.92,
    "SiOH4": 16.28,
    "NO3_NO2": 10.67,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 10.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3986, 59.7643] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0213",
    "depth": 10.0,
    "PO4": 0.97,
    "SiOH4": 16.11,
    "NO3_NO2": 10.62,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 10.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3986, 59.7643] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0213",
    "depth": 20.0,
    "PO4": 0.98,
    "SiOH4": 16.35,
    "NO3_NO2": 11.02,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 10.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3986, 59.7643] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0213",
    "depth": 32.0,
    "PO4": 1.01,
    "SiOH4": 16.82,
    "NO3_NO2": 11.12,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 11.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3986, 59.7643] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0213",
    "depth": 41.0,
    "PO4": 1.1,
    "SiOH4": 18.05,
    "NO3_NO2": 12.13,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 12.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3986, 59.7643] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0213",
    "depth": 52.0,
    "PO4": 1.17,
    "SiOH4": 19.4,
    "NO3_NO2": 13.39,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 13.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3986, 59.7643] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0213",
    "depth": 79.0,
    "PO4": 1.21,
    "SiOH4": 19.75,
    "NO3_NO2": 13.64,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 13.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3986, 59.7643] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0213",
    "depth": 102.0,
    "PO4": 1.23,
    "SiOH4": 19.53,
    "NO3_NO2": 13.79,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 13.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3986, 59.7643] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0213",
    "depth": 138.0,
    "PO4": 1.34,
    "SiOH4": 20.46,
    "NO3_NO2": 15.46,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 15.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3986, 59.7643] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0213",
    "depth": 184.0,
    "PO4": 1.76,
    "SiOH4": 30.62,
    "NO3_NO2": 21.57,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 21.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3986, 59.7643] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 3,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0213",
    "depth": 260.0,
    "PO4": 2.37,
    "SiOH4": 47.77,
    "NO3_NO2": 28.25,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 28.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3281, 59.6898] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK2",
    "water_depth": 227,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0312",
    "depth": 2.0,
    "PO4": 1.1,
    "SiOH4": 18.67,
    "NO3_NO2": 12.77,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 12.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3281, 59.6898] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK2",
    "water_depth": 227,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0312",
    "depth": 10.0,
    "PO4": 1.13,
    "SiOH4": 20.02,
    "NO3_NO2": 12.82,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 12.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3281, 59.6898] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK2",
    "water_depth": 227,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0312",
    "depth": 20.0,
    "PO4": 1.12,
    "SiOH4": 20.2,
    "NO3_NO2": 12.92,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 12.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3281, 59.6898] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK2",
    "water_depth": 227,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0312",
    "depth": 30.0,
    "PO4": 1.16,
    "SiOH4": 20.55,
    "NO3_NO2": 13.27,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 13.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3281, 59.6898] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK2",
    "water_depth": 227,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0312",
    "depth": 43.0,
    "PO4": 1.17,
    "SiOH4": 20.79,
    "NO3_NO2": 13.57,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 13.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3281, 59.6898] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK2",
    "water_depth": 227,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0312",
    "depth": 52.0,
    "PO4": 1.2,
    "SiOH4": 20.68,
    "NO3_NO2": 13.62,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 13.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3281, 59.6898] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK2",
    "water_depth": 227,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0312",
    "depth": 74.0,
    "PO4": 1.23,
    "SiOH4": 20.57,
    "NO3_NO2": 14.02,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 14.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3281, 59.6898] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK2",
    "water_depth": 227,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0312",
    "depth": 101.0,
    "PO4": 1.22,
    "SiOH4": 20.16,
    "NO3_NO2": 13.92,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 13.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3281, 59.6898] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK2",
    "water_depth": 227,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0312",
    "depth": 148.0,
    "PO4": 1.49,
    "SiOH4": 25.65,
    "NO3_NO2": 18.22,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 18.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3281, 59.6898] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK2",
    "water_depth": 227,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0312",
    "depth": 202.0,
    "PO4": 1.55,
    "SiOH4": 27.99,
    "NO3_NO2": 18.92,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 18.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3281, 59.6898] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 4,
    "stn_id": "GAK2",
    "water_depth": 227,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0312",
    "depth": 225.0,
    "PO4": 1.75,
    "SiOH4": 32.6,
    "NO3_NO2": 21.65,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 21.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2609, 59.6252] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0357",
    "depth": 3.0,
    "PO4": 1.11,
    "SiOH4": 20.33,
    "NO3_NO2": 13.5,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 13.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2609, 59.6252] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0357",
    "depth": 11.0,
    "PO4": 1.2,
    "SiOH4": 20.35,
    "NO3_NO2": 13.55,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 13.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2609, 59.6252] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0357",
    "depth": 20.0,
    "PO4": 1.21,
    "SiOH4": 20.38,
    "NO3_NO2": 13.64,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 13.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2609, 59.6252] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0357",
    "depth": 31.0,
    "PO4": 1.25,
    "SiOH4": 20.58,
    "NO3_NO2": 13.79,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 13.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2609, 59.6252] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0357",
    "depth": 41.0,
    "PO4": 1.23,
    "SiOH4": 20.49,
    "NO3_NO2": 13.89,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 13.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2609, 59.6252] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0357",
    "depth": 51.0,
    "PO4": 1.16,
    "SiOH4": 20.28,
    "NO3_NO2": 13.93,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 13.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2609, 59.6252] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0357",
    "depth": 78.0,
    "PO4": 1.25,
    "SiOH4": 19.9,
    "NO3_NO2": 14.03,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 14.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2609, 59.6252] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0357",
    "depth": 141.0,
    "PO4": 1.56,
    "SiOH4": 26.05,
    "NO3_NO2": 18.73,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 18.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2609, 59.6252] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0357",
    "depth": 176.0,
    "PO4": 1.94,
    "SiOH4": 35.06,
    "NO3_NO2": 24.29,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 24.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2609, 59.6252] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 5,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0357",
    "depth": 213.0,
    "PO4": 2.1,
    "SiOH4": 39.64,
    "NO3_NO2": 25.75,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 25.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1884, 59.5522] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 6,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0445",
    "depth": 1.0,
    "PO4": 1.19,
    "SiOH4": 20.36,
    "NO3_NO2": 14.01,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 13.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1884, 59.5522] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 6,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0445",
    "depth": 11.0,
    "PO4": 1.24,
    "SiOH4": 20.38,
    "NO3_NO2": 14.11,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 14.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1884, 59.5522] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 6,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0445",
    "depth": 21.0,
    "PO4": 1.26,
    "SiOH4": 20.29,
    "NO3_NO2": 14.05,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 14.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1884, 59.5522] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 6,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0445",
    "depth": 30.0,
    "PO4": 1.26,
    "SiOH4": 20.2,
    "NO3_NO2": 14.0,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 13.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1884, 59.5522] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 6,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0445",
    "depth": 40.0,
    "PO4": 1.26,
    "SiOH4": 20.17,
    "NO3_NO2": 14.04,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 14.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1884, 59.5522] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 6,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0445",
    "depth": 50.0,
    "PO4": 1.23,
    "SiOH4": 20.26,
    "NO3_NO2": 14.19,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 14.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1884, 59.5522] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 6,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0445",
    "depth": 75.0,
    "PO4": 1.32,
    "SiOH4": 21.1,
    "NO3_NO2": 15.15,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 15.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1884, 59.5522] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 6,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0445",
    "depth": 101.0,
    "PO4": 1.35,
    "SiOH4": 21.88,
    "NO3_NO2": 15.6,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 15.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1884, 59.5522] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 6,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0445",
    "depth": 153.0,
    "PO4": 1.68,
    "SiOH4": 28.68,
    "NO3_NO2": 20.75,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 20.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1884, 59.5522] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 6,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0445",
    "depth": 179.0,
    "PO4": 2.07,
    "SiOH4": 39.32,
    "NO3_NO2": 25.7,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 25.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1884, 59.5522] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 6,
    "stn_id": "GAK3",
    "water_depth": 212,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0445",
    "depth": 209.0,
    "PO4": null,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": null,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1187, 59.4809] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0532",
    "depth": 3.0,
    "PO4": 1.18,
    "SiOH4": 21.07,
    "NO3_NO2": 14.51,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 14.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1187, 59.4809] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0532",
    "depth": 12.0,
    "PO4": 1.26,
    "SiOH4": 21.16,
    "NO3_NO2": 14.51,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 14.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1187, 59.4809] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0532",
    "depth": 20.0,
    "PO4": 1.26,
    "SiOH4": 21.14,
    "NO3_NO2": 14.56,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 14.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1187, 59.4809] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0532",
    "depth": 31.0,
    "PO4": 1.28,
    "SiOH4": 21.17,
    "NO3_NO2": 14.66,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 14.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1187, 59.4809] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0532",
    "depth": 40.0,
    "PO4": 1.29,
    "SiOH4": 21.21,
    "NO3_NO2": 14.65,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 14.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1187, 59.4809] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0532",
    "depth": 50.0,
    "PO4": 1.3,
    "SiOH4": 21.24,
    "NO3_NO2": 14.7,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 14.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1187, 59.4809] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0532",
    "depth": 76.0,
    "PO4": 1.43,
    "SiOH4": 23.26,
    "NO3_NO2": 16.88,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 16.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1187, 59.4809] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0532",
    "depth": 101.0,
    "PO4": 1.57,
    "SiOH4": 26.03,
    "NO3_NO2": 19.0,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 18.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1187, 59.4809] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0532",
    "depth": 151.0,
    "PO4": 1.82,
    "SiOH4": 32.89,
    "NO3_NO2": 23.04,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 23.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1187, 59.4809] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 7,
    "stn_id": "GAK3I",
    "water_depth": 205,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0532",
    "depth": 202.0,
    "PO4": 1.98,
    "SiOH4": 36.6,
    "NO3_NO2": 24.76,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 24.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0486, 59.4083] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0615",
    "depth": 2.0,
    "PO4": 1.23,
    "SiOH4": 20.71,
    "NO3_NO2": 14.44,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 14.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0486, 59.4083] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0615",
    "depth": 10.0,
    "PO4": 1.27,
    "SiOH4": 20.63,
    "NO3_NO2": 14.49,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 14.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0486, 59.4083] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0615",
    "depth": 20.0,
    "PO4": 1.25,
    "SiOH4": 20.66,
    "NO3_NO2": 14.53,
    "NO2": 0.06,
    "NH4": null,
    "NO3": 14.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0486, 59.4083] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0615",
    "depth": 31.0,
    "PO4": 1.28,
    "SiOH4": 20.76,
    "NO3_NO2": 14.63,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 14.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0486, 59.4083] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0615",
    "depth": 40.0,
    "PO4": 1.33,
    "SiOH4": 21.55,
    "NO3_NO2": 15.54,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 15.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0486, 59.4083] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0615",
    "depth": 50.0,
    "PO4": 1.38,
    "SiOH4": 21.93,
    "NO3_NO2": 15.99,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 15.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0486, 59.4083] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0615",
    "depth": 77.0,
    "PO4": 1.46,
    "SiOH4": 24.07,
    "NO3_NO2": 17.91,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 17.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0486, 59.4083] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0615",
    "depth": 101.0,
    "PO4": 1.63,
    "SiOH4": 27.6,
    "NO3_NO2": 20.19,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 20.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0486, 59.4083] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0615",
    "depth": 149.0,
    "PO4": 1.91,
    "SiOH4": 35.45,
    "NO3_NO2": 24.43,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 24.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0486, 59.4083] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 8,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0615",
    "depth": 196.0,
    "PO4": 2.12,
    "SiOH4": 41.67,
    "NO3_NO2": 26.51,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 26.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9769, 59.3348] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0659",
    "depth": 3.0,
    "PO4": 1.12,
    "SiOH4": 18.65,
    "NO3_NO2": 14.68,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 14.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9769, 59.3348] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0659",
    "depth": 10.0,
    "PO4": 1.22,
    "SiOH4": 18.88,
    "NO3_NO2": 14.72,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 14.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9769, 59.3348] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0659",
    "depth": 22.0,
    "PO4": 1.23,
    "SiOH4": 18.98,
    "NO3_NO2": 14.72,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 14.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9769, 59.3348] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0659",
    "depth": 31.0,
    "PO4": 1.24,
    "SiOH4": 19.2,
    "NO3_NO2": 14.71,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 14.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9769, 59.3348] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0659",
    "depth": 41.0,
    "PO4": 1.23,
    "SiOH4": 19.36,
    "NO3_NO2": 14.76,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 14.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9769, 59.3348] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0659",
    "depth": 52.0,
    "PO4": 1.25,
    "SiOH4": 19.59,
    "NO3_NO2": 14.81,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 14.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9769, 59.3348] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0659",
    "depth": 75.0,
    "PO4": 1.34,
    "SiOH4": 20.92,
    "NO3_NO2": 16.11,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 16.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9769, 59.3348] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0659",
    "depth": 102.0,
    "PO4": 1.64,
    "SiOH4": 28.37,
    "NO3_NO2": 20.95,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 20.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9769, 59.3348] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0659",
    "depth": 125.0,
    "PO4": 1.75,
    "SiOH4": 31.1,
    "NO3_NO2": 22.36,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 22.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9769, 59.3348] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0659",
    "depth": 150.0,
    "PO4": 1.91,
    "SiOH4": 35.05,
    "NO3_NO2": 24.58,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 24.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9769, 59.3348] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 9,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0659",
    "depth": 193.0,
    "PO4": 2.05,
    "SiOH4": 39.82,
    "NO3_NO2": 26.59,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 26.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9087, 59.2616] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0743",
    "depth": 2.0,
    "PO4": 1.19,
    "SiOH4": 20.39,
    "NO3_NO2": 14.53,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 14.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9087, 59.2616] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0743",
    "depth": 10.0,
    "PO4": 1.2,
    "SiOH4": 20.44,
    "NO3_NO2": 14.57,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 14.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9087, 59.2616] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0743",
    "depth": 21.0,
    "PO4": 1.26,
    "SiOH4": 20.66,
    "NO3_NO2": 15.02,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 15.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9087, 59.2616] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0743",
    "depth": 31.0,
    "PO4": 1.26,
    "SiOH4": 20.94,
    "NO3_NO2": 15.17,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 15.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9087, 59.2616] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0743",
    "depth": 41.0,
    "PO4": 1.26,
    "SiOH4": 20.87,
    "NO3_NO2": 15.32,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 15.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9087, 59.2616] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0743",
    "depth": 48.0,
    "PO4": 1.25,
    "SiOH4": 20.8,
    "NO3_NO2": 15.21,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 15.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9087, 59.2616] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0743",
    "depth": 75.0,
    "PO4": 1.3,
    "SiOH4": 21.31,
    "NO3_NO2": 16.17,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 16.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9087, 59.2616] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0743",
    "depth": 100.0,
    "PO4": 1.42,
    "SiOH4": 23.86,
    "NO3_NO2": 18.03,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 18.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9087, 59.2616] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0743",
    "depth": 125.0,
    "PO4": 1.74,
    "SiOH4": 31.9,
    "NO3_NO2": 23.22,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 23.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9087, 59.2616] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0743",
    "depth": 153.0,
    "PO4": 1.75,
    "SiOH4": 32.41,
    "NO3_NO2": 23.52,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 23.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9087, 59.2616] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 10,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0743",
    "depth": 166.0,
    "PO4": 1.79,
    "SiOH4": 34.5,
    "NO3_NO2": 24.52,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 24.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8374, 59.1907] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "GAK5I",
    "water_depth": 164,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0825",
    "depth": 3.0,
    "PO4": 1.15,
    "SiOH4": 19.83,
    "NO3_NO2": 14.41,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 14.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8374, 59.1907] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "GAK5I",
    "water_depth": 164,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0825",
    "depth": 12.0,
    "PO4": 1.17,
    "SiOH4": 19.83,
    "NO3_NO2": 14.39,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 14.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8374, 59.1907] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "GAK5I",
    "water_depth": 164,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0825",
    "depth": 22.0,
    "PO4": 1.21,
    "SiOH4": 20.12,
    "NO3_NO2": 14.58,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 14.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8374, 59.1907] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "GAK5I",
    "water_depth": 164,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0825",
    "depth": 31.0,
    "PO4": 1.21,
    "SiOH4": 20.24,
    "NO3_NO2": 14.82,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 14.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8374, 59.1907] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "GAK5I",
    "water_depth": 164,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0825",
    "depth": 41.0,
    "PO4": 1.21,
    "SiOH4": 20.18,
    "NO3_NO2": 14.86,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 14.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8374, 59.1907] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "GAK5I",
    "water_depth": 164,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0825",
    "depth": 52.0,
    "PO4": 1.23,
    "SiOH4": 20.42,
    "NO3_NO2": 15.31,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 15.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8374, 59.1907] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "GAK5I",
    "water_depth": 164,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0825",
    "depth": 76.0,
    "PO4": 1.29,
    "SiOH4": 21.41,
    "NO3_NO2": 16.3,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 16.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8374, 59.1907] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "GAK5I",
    "water_depth": 164,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0825",
    "depth": 101.0,
    "PO4": 1.38,
    "SiOH4": 23.45,
    "NO3_NO2": 18.06,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 18.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8374, 59.1907] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "GAK5I",
    "water_depth": 164,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0825",
    "depth": 124.0,
    "PO4": 1.6,
    "SiOH4": 28.41,
    "NO3_NO2": 21.27,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 21.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8374, 59.1907] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "GAK5I",
    "water_depth": 164,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0825",
    "depth": 151.0,
    "PO4": 1.81,
    "SiOH4": 33.95,
    "NO3_NO2": 24.69,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 24.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8374, 59.1907] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 11,
    "stn_id": "GAK5I",
    "water_depth": 164,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0825",
    "depth": 164.0,
    "PO4": 1.84,
    "SiOH4": 35.29,
    "NO3_NO2": 25.29,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 25.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7695, 59.1157] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0910",
    "depth": 2.0,
    "PO4": 1.2,
    "SiOH4": 21.67,
    "NO3_NO2": 14.31,
    "NO2": 0.0,
    "NH4": 0.1,
    "NO3": 14.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7695, 59.1157] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0910",
    "depth": 10.0,
    "PO4": 1.25,
    "SiOH4": 21.61,
    "NO3_NO2": 14.41,
    "NO2": 0.0,
    "NH4": 0.07,
    "NO3": 14.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7695, 59.1157] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0910",
    "depth": 20.0,
    "PO4": 1.26,
    "SiOH4": 21.62,
    "NO3_NO2": 14.46,
    "NO2": 0.0,
    "NH4": 0.06,
    "NO3": 14.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7695, 59.1157] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0910",
    "depth": 30.0,
    "PO4": 1.28,
    "SiOH4": 21.63,
    "NO3_NO2": 14.46,
    "NO2": 0.0,
    "NH4": 0.08,
    "NO3": 14.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7695, 59.1157] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0910",
    "depth": 41.0,
    "PO4": 1.29,
    "SiOH4": 21.71,
    "NO3_NO2": 14.4,
    "NO2": 0.0,
    "NH4": 0.12,
    "NO3": 14.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7695, 59.1157] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0910",
    "depth": 50.0,
    "PO4": 1.29,
    "SiOH4": 21.29,
    "NO3_NO2": 14.5,
    "NO2": 0.0,
    "NH4": 0.11,
    "NO3": 14.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7695, 59.1157] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0910",
    "depth": 75.0,
    "PO4": 1.33,
    "SiOH4": 21.66,
    "NO3_NO2": 15.02,
    "NO2": 0.0,
    "NH4": 0.22,
    "NO3": 15.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7695, 59.1157] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0910",
    "depth": 101.0,
    "PO4": 1.44,
    "SiOH4": 22.17,
    "NO3_NO2": 16.47,
    "NO2": 0.0,
    "NH4": 0.12,
    "NO3": 16.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7695, 59.1157] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0910",
    "depth": 125.0,
    "PO4": 2.06,
    "SiOH4": 38.92,
    "NO3_NO2": 26.42,
    "NO2": 0.0,
    "NH4": 0.25,
    "NO3": 26.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7695, 59.1157] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 12,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "0910",
    "depth": 150.0,
    "PO4": 2.22,
    "SiOH4": 43.42,
    "NO3_NO2": 29.01,
    "NO2": 0.17,
    "NH4": 0.05,
    "NO3": 28.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6309, 58.9709] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK7",
    "water_depth": 240,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1018",
    "depth": 2.0,
    "PO4": 1.18,
    "SiOH4": 22.05,
    "NO3_NO2": 14.22,
    "NO2": 0.0,
    "NH4": 0.23,
    "NO3": 14.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6309, 58.9709] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK7",
    "water_depth": 240,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1018",
    "depth": 10.0,
    "PO4": 1.26,
    "SiOH4": 21.93,
    "NO3_NO2": 14.23,
    "NO2": 0.0,
    "NH4": 0.29,
    "NO3": 14.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6309, 58.9709] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK7",
    "water_depth": 240,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1018",
    "depth": 21.0,
    "PO4": 1.27,
    "SiOH4": 21.15,
    "NO3_NO2": 13.87,
    "NO2": 0.05,
    "NH4": 0.26,
    "NO3": 13.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6309, 58.9709] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK7",
    "water_depth": 240,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1018",
    "depth": 31.0,
    "PO4": 1.27,
    "SiOH4": 20.02,
    "NO3_NO2": 13.62,
    "NO2": 0.1,
    "NH4": 0.3,
    "NO3": 13.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6309, 58.9709] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK7",
    "water_depth": 240,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1018",
    "depth": 42.0,
    "PO4": 1.26,
    "SiOH4": 19.1,
    "NO3_NO2": 13.16,
    "NO2": 0.15,
    "NH4": 0.3,
    "NO3": 13.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6309, 58.9709] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK7",
    "water_depth": 240,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1018",
    "depth": 51.0,
    "PO4": 1.27,
    "SiOH4": 18.54,
    "NO3_NO2": 13.02,
    "NO2": 0.2,
    "NH4": 0.45,
    "NO3": 12.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6309, 58.9709] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK7",
    "water_depth": 240,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1018",
    "depth": 75.0,
    "PO4": 1.64,
    "SiOH4": 28.71,
    "NO3_NO2": 19.35,
    "NO2": 0.05,
    "NH4": 0.34,
    "NO3": 19.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6309, 58.9709] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK7",
    "water_depth": 240,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1018",
    "depth": 102.0,
    "PO4": 1.92,
    "SiOH4": 35.54,
    "NO3_NO2": 23.72,
    "NO2": 0.01,
    "NH4": 0.29,
    "NO3": 23.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6309, 58.9709] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK7",
    "water_depth": 240,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1018",
    "depth": 151.0,
    "PO4": 2.14,
    "SiOH4": 42.73,
    "NO3_NO2": 27.72,
    "NO2": 0.01,
    "NH4": 0.27,
    "NO3": 27.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6309, 58.9709] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK7",
    "water_depth": 240,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1018",
    "depth": 199.0,
    "PO4": 2.26,
    "SiOH4": 46.09,
    "NO3_NO2": 29.65,
    "NO2": 0.01,
    "NH4": 0.3,
    "NO3": 29.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6309, 58.9709] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 13,
    "stn_id": "GAK7",
    "water_depth": 240,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1018",
    "depth": 240.0,
    "PO4": 2.61,
    "SiOH4": 58.36,
    "NO3_NO2": 35.0,
    "NO2": 0.01,
    "NH4": 0.33,
    "NO3": 34.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.79, 58.098] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK13",
    "water_depth": 2100,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1637",
    "depth": 4.0,
    "PO4": 1.34,
    "SiOH4": 20.19,
    "NO3_NO2": 14.62,
    "NO2": 0.16,
    "NH4": 0.53,
    "NO3": 14.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.79, 58.098] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK13",
    "water_depth": 2100,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1637",
    "depth": 11.0,
    "PO4": 1.36,
    "SiOH4": 20.07,
    "NO3_NO2": 14.68,
    "NO2": 0.16,
    "NH4": 0.46,
    "NO3": 14.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.79, 58.098] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK13",
    "water_depth": 2100,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1637",
    "depth": 21.0,
    "PO4": 1.38,
    "SiOH4": 20.09,
    "NO3_NO2": 14.64,
    "NO2": 0.16,
    "NH4": 0.46,
    "NO3": 14.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.79, 58.098] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK13",
    "water_depth": 2100,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1637",
    "depth": 29.0,
    "PO4": 1.38,
    "SiOH4": 20.12,
    "NO3_NO2": 14.59,
    "NO2": 0.16,
    "NH4": 0.63,
    "NO3": 14.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.79, 58.098] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK13",
    "water_depth": 2100,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1637",
    "depth": 40.0,
    "PO4": 1.44,
    "SiOH4": 21.52,
    "NO3_NO2": 15.74,
    "NO2": 0.16,
    "NH4": 0.53,
    "NO3": 15.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.79, 58.098] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK13",
    "water_depth": 2100,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1637",
    "depth": 51.0,
    "PO4": 1.83,
    "SiOH4": 31.1,
    "NO3_NO2": 21.87,
    "NO2": 0.02,
    "NH4": 0.59,
    "NO3": 21.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.79, 58.098] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK13",
    "water_depth": 2100,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1637",
    "depth": 107.0,
    "PO4": 2.47,
    "SiOH4": 51.99,
    "NO3_NO2": 32.61,
    "NO2": 0.02,
    "NH4": 0.29,
    "NO3": 32.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.79, 58.098] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK13",
    "water_depth": 2100,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1637",
    "depth": 250.0,
    "PO4": 3.15,
    "SiOH4": null,
    "NO3_NO2": 41.8,
    "NO2": 0.02,
    "NH4": 0.27,
    "NO3": 41.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.79, 58.098] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK13",
    "water_depth": 2100,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1637",
    "depth": 504.0,
    "PO4": 3.35,
    "SiOH4": null,
    "NO3_NO2": 43.57,
    "NO2": 0.02,
    "NH4": 0.24,
    "NO3": 43.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.79, 58.098] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK13",
    "water_depth": 2100,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1637",
    "depth": 1003.0,
    "PO4": 3.42,
    "SiOH4": null,
    "NO3_NO2": 44.21,
    "NO2": 0.0,
    "NH4": 0.25,
    "NO3": 44.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.79, 58.098] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 14,
    "stn_id": "GAK13",
    "water_depth": 2100,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1637",
    "depth": 1505.0,
    "PO4": 3.32,
    "SiOH4": null,
    "NO3_NO2": 43.44,
    "NO2": 0.0,
    "NH4": 0.2,
    "NO3": 43.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7927, 58.0993] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 15,
    "stn_id": "GAK13",
    "water_depth": 2100,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1808",
    "depth": 4.0,
    "PO4": 1.31,
    "SiOH4": 19.08,
    "NO3_NO2": 15.06,
    "NO2": 0.17,
    "NH4": 0.13,
    "NO3": 14.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7927, 58.0993] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 15,
    "stn_id": "GAK13",
    "water_depth": 2100,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1808",
    "depth": 24.0,
    "PO4": 1.38,
    "SiOH4": 19.02,
    "NO3_NO2": 15.06,
    "NO2": 0.14,
    "NH4": 0.2,
    "NO3": 14.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7927, 58.0993] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 15,
    "stn_id": "GAK13",
    "water_depth": 2100,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1808",
    "depth": 41.0,
    "PO4": 1.38,
    "SiOH4": 19.46,
    "NO3_NO2": 15.47,
    "NO2": 0.14,
    "NH4": 0.11,
    "NO3": 15.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7927, 58.0993] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 15,
    "stn_id": "GAK13",
    "water_depth": 2100,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1808",
    "depth": 74.0,
    "PO4": 2.01,
    "SiOH4": 35.85,
    "NO3_NO2": 25.79,
    "NO2": 0.0,
    "NH4": 0.18,
    "NO3": 25.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7927, 58.0993] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 15,
    "stn_id": "GAK13",
    "water_depth": 2100,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "1808",
    "depth": 112.0,
    "PO4": 2.53,
    "SiOH4": 50.79,
    "NO3_NO2": 33.3,
    "NO2": 0.0,
    "NH4": 0.06,
    "NO3": 33.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9344, 58.243] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "GAK12",
    "water_depth": 2150,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2010",
    "depth": 3.0,
    "PO4": 1.28,
    "SiOH4": 19.52,
    "NO3_NO2": 14.26,
    "NO2": 0.19,
    "NH4": 0.11,
    "NO3": 14.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9344, 58.243] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "GAK12",
    "water_depth": 2150,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2010",
    "depth": 12.0,
    "PO4": 1.31,
    "SiOH4": 20.55,
    "NO3_NO2": 14.26,
    "NO2": 0.22,
    "NH4": 0.08,
    "NO3": 14.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9344, 58.243] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "GAK12",
    "water_depth": 2150,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2010",
    "depth": 24.0,
    "PO4": 1.34,
    "SiOH4": 20.13,
    "NO3_NO2": 14.37,
    "NO2": 0.19,
    "NH4": 0.08,
    "NO3": 14.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9344, 58.243] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "GAK12",
    "water_depth": 2150,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2010",
    "depth": 50.0,
    "PO4": 1.61,
    "SiOH4": 25.14,
    "NO3_NO2": 18.52,
    "NO2": 0.14,
    "NH4": 0.16,
    "NO3": 18.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9344, 58.243] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "GAK12",
    "water_depth": 2150,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2010",
    "depth": 76.0,
    "PO4": 2.03,
    "SiOH4": 36.68,
    "NO3_NO2": 25.21,
    "NO2": 0.0,
    "NH4": 0.15,
    "NO3": 25.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9344, 58.243] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "GAK12",
    "water_depth": 2150,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2010",
    "depth": 101.0,
    "PO4": 2.22,
    "SiOH4": 41.33,
    "NO3_NO2": 28.42,
    "NO2": 0.0,
    "NH4": 0.15,
    "NO3": 28.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9344, 58.243] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "GAK12",
    "water_depth": 2150,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2010",
    "depth": 176.0,
    "PO4": 2.84,
    "SiOH4": 61.78,
    "NO3_NO2": 37.66,
    "NO2": 0.0,
    "NH4": 0.15,
    "NO3": 37.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9344, 58.243] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "GAK12",
    "water_depth": 2150,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2010",
    "depth": 250.0,
    "PO4": 3.06,
    "SiOH4": null,
    "NO3_NO2": 40.67,
    "NO2": 0.0,
    "NH4": 0.12,
    "NO3": 40.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9344, 58.243] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "GAK12",
    "water_depth": 2150,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2010",
    "depth": 503.0,
    "PO4": 3.35,
    "SiOH4": null,
    "NO3_NO2": 44.09,
    "NO2": 0.0,
    "NH4": 0.12,
    "NO3": 44.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9344, 58.243] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "GAK12",
    "water_depth": 2150,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2010",
    "depth": 1000.0,
    "PO4": 3.48,
    "SiOH4": null,
    "NO3_NO2": 45.28,
    "NO2": 0.0,
    "NH4": 0.26,
    "NO3": 45.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9344, 58.243] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 16,
    "stn_id": "GAK12",
    "water_depth": 2150,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2010",
    "depth": 1505.0,
    "PO4": 3.38,
    "SiOH4": null,
    "NO3_NO2": 44.87,
    "NO2": 0.0,
    "NH4": 0.06,
    "NO3": 44.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.071, 58.3866] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2252",
    "depth": 3.0,
    "PO4": 1.24,
    "SiOH4": 20.4,
    "NO3_NO2": 13.23,
    "NO2": 0.1,
    "NH4": 0.25,
    "NO3": 13.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.071, 58.3866] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2252",
    "depth": 52.0,
    "PO4": 1.47,
    "SiOH4": 22.02,
    "NO3_NO2": 15.87,
    "NO2": 0.19,
    "NH4": 0.42,
    "NO3": 15.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.071, 58.3866] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2252",
    "depth": 52.0,
    "PO4": 1.45,
    "SiOH4": 22.08,
    "NO3_NO2": 15.66,
    "NO2": 0.19,
    "NH4": 0.44,
    "NO3": 15.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.071, 58.3866] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2252",
    "depth": 73.0,
    "PO4": 1.88,
    "SiOH4": 32.54,
    "NO3_NO2": 22.04,
    "NO2": 0.19,
    "NH4": 0.3,
    "NO3": 21.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.071, 58.3866] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2252",
    "depth": 100.0,
    "PO4": 2.23,
    "SiOH4": 43.35,
    "NO3_NO2": 28.37,
    "NO2": 0.02,
    "NH4": 0.25,
    "NO3": 28.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.071, 58.3866] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2252",
    "depth": 100.0,
    "PO4": 2.28,
    "SiOH4": 44.45,
    "NO3_NO2": 29.05,
    "NO2": 0.02,
    "NH4": 0.24,
    "NO3": 29.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.071, 58.3866] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2252",
    "depth": 178.0,
    "PO4": 2.77,
    "SiOH4": 63.81,
    "NO3_NO2": 37.24,
    "NO2": 0.02,
    "NH4": 0.24,
    "NO3": 37.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.071, 58.3866] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2252",
    "depth": 253.0,
    "PO4": 3.0,
    "SiOH4": null,
    "NO3_NO2": 40.3,
    "NO2": 0.0,
    "NH4": 0.27,
    "NO3": 40.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.071, 58.3866] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2252",
    "depth": 504.0,
    "PO4": 3.4,
    "SiOH4": null,
    "NO3_NO2": 44.61,
    "NO2": 0.02,
    "NH4": 0.21,
    "NO3": 44.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.071, 58.3866] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2252",
    "depth": 1001.0,
    "PO4": 3.54,
    "SiOH4": null,
    "NO3_NO2": 45.8,
    "NO2": 0.02,
    "NH4": 0.18,
    "NO3": 45.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.071, 58.3866] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 17,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "12",
    "day_gmt": "02",
    "time_gmt": "2252",
    "depth": 1426.0,
    "PO4": 3.49,
    "SiOH4": null,
    "NO3_NO2": 45.49,
    "NO2": 0.07,
    "NH4": 0.29,
    "NO3": 45.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2164, 58.541] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "GAK10",
    "water_depth": 1455,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0128",
    "depth": 2.0,
    "PO4": 1.21,
    "SiOH4": 24.76,
    "NO3_NO2": 14.31,
    "NO2": 0.0,
    "NH4": 0.12,
    "NO3": 14.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2164, 58.541] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "GAK10",
    "water_depth": 1455,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0128",
    "depth": 11.0,
    "PO4": 1.23,
    "SiOH4": 24.45,
    "NO3_NO2": 14.36,
    "NO2": 0.0,
    "NH4": 0.1,
    "NO3": 14.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2164, 58.541] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "GAK10",
    "water_depth": 1455,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0128",
    "depth": 26.0,
    "PO4": 1.28,
    "SiOH4": 24.59,
    "NO3_NO2": 14.57,
    "NO2": 0.0,
    "NH4": 0.09,
    "NO3": 14.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2164, 58.541] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "GAK10",
    "water_depth": 1455,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0128",
    "depth": 51.0,
    "PO4": 1.43,
    "SiOH4": 26.24,
    "NO3_NO2": 16.85,
    "NO2": 0.1,
    "NH4": 0.14,
    "NO3": 16.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2164, 58.541] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "GAK10",
    "water_depth": 1455,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0128",
    "depth": 76.0,
    "PO4": 1.45,
    "SiOH4": 24.27,
    "NO3_NO2": 17.31,
    "NO2": 0.13,
    "NH4": 0.29,
    "NO3": 17.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2164, 58.541] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "GAK10",
    "water_depth": 1455,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0128",
    "depth": 100.0,
    "PO4": 1.99,
    "SiOH4": 41.0,
    "NO3_NO2": 26.54,
    "NO2": 0.01,
    "NH4": 0.2,
    "NO3": 26.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2164, 58.541] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "GAK10",
    "water_depth": 1455,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0128",
    "depth": 173.0,
    "PO4": 2.53,
    "SiOH4": 58.74,
    "NO3_NO2": 35.78,
    "NO2": 0.01,
    "NH4": 0.3,
    "NO3": 35.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2164, 58.541] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "GAK10",
    "water_depth": 1455,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0128",
    "depth": 254.0,
    "PO4": 2.78,
    "SiOH4": 73.43,
    "NO3_NO2": 39.25,
    "NO2": 0.01,
    "NH4": 0.31,
    "NO3": 39.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2164, 58.541] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "GAK10",
    "water_depth": 1455,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0128",
    "depth": 504.0,
    "PO4": 3.24,
    "SiOH4": null,
    "NO3_NO2": 44.85,
    "NO2": 0.01,
    "NH4": 0.3,
    "NO3": 44.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2164, 58.541] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "GAK10",
    "water_depth": 1455,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0128",
    "depth": 1003.0,
    "PO4": 3.37,
    "SiOH4": null,
    "NO3_NO2": 46.4,
    "NO2": 0.01,
    "NH4": 0.26,
    "NO3": 46.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2164, 58.541] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 18,
    "stn_id": "GAK10",
    "water_depth": 1455,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0128",
    "depth": 1374.0,
    "PO4": 3.37,
    "SiOH4": null,
    "NO3_NO2": 46.51,
    "NO2": 0.01,
    "NH4": 0.14,
    "NO3": 46.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2808, 58.6132] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 19,
    "stn_id": "GAK9I",
    "water_depth": 661,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0308",
    "depth": 2.0,
    "PO4": 1.22,
    "SiOH4": 25.05,
    "NO3_NO2": 14.45,
    "NO2": 0.03,
    "NH4": 0.02,
    "NO3": 14.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2808, 58.6132] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 19,
    "stn_id": "GAK9I",
    "water_depth": 661,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0308",
    "depth": 11.0,
    "PO4": 1.25,
    "SiOH4": 24.9,
    "NO3_NO2": 14.45,
    "NO2": 0.04,
    "NH4": 0.12,
    "NO3": 14.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2808, 58.6132] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 19,
    "stn_id": "GAK9I",
    "water_depth": 661,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0308",
    "depth": 20.0,
    "PO4": 1.26,
    "SiOH4": 24.59,
    "NO3_NO2": 14.44,
    "NO2": 0.06,
    "NH4": 0.44,
    "NO3": 14.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2808, 58.6132] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 19,
    "stn_id": "GAK9I",
    "water_depth": 661,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0308",
    "depth": 29.0,
    "PO4": 1.28,
    "SiOH4": 24.51,
    "NO3_NO2": 14.96,
    "NO2": 0.06,
    "NH4": 0.2,
    "NO3": 14.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2808, 58.6132] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 19,
    "stn_id": "GAK9I",
    "water_depth": 661,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0308",
    "depth": 40.0,
    "PO4": 1.29,
    "SiOH4": 24.21,
    "NO3_NO2": 15.01,
    "NO2": 0.04,
    "NH4": 0.22,
    "NO3": 14.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2808, 58.6132] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 19,
    "stn_id": "GAK9I",
    "water_depth": 661,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0308",
    "depth": 52.0,
    "PO4": 1.24,
    "SiOH4": 21.66,
    "NO3_NO2": 14.28,
    "NO2": 0.16,
    "NH4": 0.18,
    "NO3": 14.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2808, 58.6132] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 19,
    "stn_id": "GAK9I",
    "water_depth": 661,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0308",
    "depth": 76.0,
    "PO4": 1.33,
    "SiOH4": 20.7,
    "NO3_NO2": 15.01,
    "NO2": 0.21,
    "NH4": 0.45,
    "NO3": 14.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2808, 58.6132] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 19,
    "stn_id": "GAK9I",
    "water_depth": 661,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0308",
    "depth": 102.0,
    "PO4": 1.88,
    "SiOH4": 37.28,
    "NO3_NO2": 24.76,
    "NO2": 0.02,
    "NH4": 0.32,
    "NO3": 24.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2808, 58.6132] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 19,
    "stn_id": "GAK9I",
    "water_depth": 661,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0308",
    "depth": 175.0,
    "PO4": 2.49,
    "SiOH4": 57.27,
    "NO3_NO2": 35.08,
    "NO2": 0.04,
    "NH4": 0.2,
    "NO3": 35.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2808, 58.6132] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 19,
    "stn_id": "GAK9I",
    "water_depth": 661,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0308",
    "depth": 250.0,
    "PO4": 2.72,
    "SiOH4": 65.23,
    "NO3_NO2": 38.29,
    "NO2": 0.02,
    "NH4": 0.33,
    "NO3": 38.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2808, 58.6132] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 19,
    "stn_id": "GAK9I",
    "water_depth": 661,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0308",
    "depth": 637.0,
    "PO4": 3.28,
    "SiOH4": null,
    "NO3_NO2": 44.67,
    "NO2": 0.0,
    "NH4": 0.39,
    "NO3": 44.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3509, 58.6818] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0405",
    "depth": 1.0,
    "PO4": 1.14,
    "SiOH4": 22.03,
    "NO3_NO2": 14.06,
    "NO2": 0.0,
    "NH4": 0.46,
    "NO3": 14.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3509, 58.6818] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0405",
    "depth": 10.0,
    "PO4": 1.23,
    "SiOH4": 22.26,
    "NO3_NO2": 14.11,
    "NO2": 0.01,
    "NH4": 0.42,
    "NO3": 14.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3509, 58.6818] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0405",
    "depth": 20.0,
    "PO4": 1.27,
    "SiOH4": 22.26,
    "NO3_NO2": 14.73,
    "NO2": 0.01,
    "NH4": 0.38,
    "NO3": 14.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3509, 58.6818] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0405",
    "depth": 31.0,
    "PO4": 1.31,
    "SiOH4": 22.41,
    "NO3_NO2": 14.78,
    "NO2": 0.01,
    "NH4": 0.42,
    "NO3": 14.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3509, 58.6818] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0405",
    "depth": 40.0,
    "PO4": 1.3,
    "SiOH4": 21.98,
    "NO3_NO2": 14.78,
    "NO2": 0.09,
    "NH4": 0.49,
    "NO3": 14.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3509, 58.6818] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0405",
    "depth": 49.0,
    "PO4": 1.29,
    "SiOH4": 19.31,
    "NO3_NO2": 13.69,
    "NO2": 0.16,
    "NH4": 0.45,
    "NO3": 13.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3509, 58.6818] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0405",
    "depth": 77.0,
    "PO4": 1.39,
    "SiOH4": 20.18,
    "NO3_NO2": 15.77,
    "NO2": 0.19,
    "NH4": 0.49,
    "NO3": 15.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3509, 58.6818] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0405",
    "depth": 101.0,
    "PO4": 1.39,
    "SiOH4": 20.84,
    "NO3_NO2": 26.04,
    "NO2": 0.17,
    "NH4": 0.4,
    "NO3": 25.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3509, 58.6818] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0405",
    "depth": 150.0,
    "PO4": 2.36,
    "SiOH4": 51.57,
    "NO3_NO2": 32.06,
    "NO2": 0.02,
    "NH4": 0.36,
    "NO3": 32.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3509, 58.6818] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0405",
    "depth": 204.0,
    "PO4": 2.27,
    "SiOH4": 47.8,
    "NO3_NO2": 30.55,
    "NO2": 0.05,
    "NH4": 0.4,
    "NO3": 30.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3509, 58.6818] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 20,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0405",
    "depth": 276.0,
    "PO4": 2.93,
    "SiOH4": null,
    "NO3_NO2": 40.41,
    "NO2": 0.03,
    "NH4": 0.67,
    "NO3": 40.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4226, 58.7433] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0448",
    "depth": 2.0,
    "PO4": 1.34,
    "SiOH4": 19.77,
    "NO3_NO2": 13.75,
    "NO2": 0.13,
    "NH4": 0.38,
    "NO3": 13.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4226, 58.7433] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0448",
    "depth": 11.0,
    "PO4": 1.27,
    "SiOH4": 19.85,
    "NO3_NO2": 13.75,
    "NO2": 0.16,
    "NH4": 0.48,
    "NO3": 13.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4226, 58.7433] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0448",
    "depth": 21.0,
    "PO4": 1.27,
    "SiOH4": 18.91,
    "NO3_NO2": 13.59,
    "NO2": 0.21,
    "NH4": 0.49,
    "NO3": 13.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4226, 58.7433] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0448",
    "depth": 31.0,
    "PO4": 1.28,
    "SiOH4": 18.99,
    "NO3_NO2": 13.9,
    "NO2": 0.19,
    "NH4": 0.51,
    "NO3": 13.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4226, 58.7433] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0448",
    "depth": 40.0,
    "PO4": 1.34,
    "SiOH4": 20.3,
    "NO3_NO2": 14.99,
    "NO2": 0.19,
    "NH4": 0.49,
    "NO3": 14.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4226, 58.7433] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0448",
    "depth": 50.0,
    "PO4": 1.45,
    "SiOH4": 22.48,
    "NO3_NO2": 16.75,
    "NO2": 0.19,
    "NH4": 0.59,
    "NO3": 16.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4226, 58.7433] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0448",
    "depth": 76.0,
    "PO4": 1.64,
    "SiOH4": 27.34,
    "NO3_NO2": 19.71,
    "NO2": 0.24,
    "NH4": 0.61,
    "NO3": 19.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4226, 58.7433] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0448",
    "depth": 101.0,
    "PO4": 1.86,
    "SiOH4": 33.51,
    "NO3_NO2": 23.76,
    "NO2": 0.0,
    "NH4": 0.57,
    "NO3": 23.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4226, 58.7433] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0448",
    "depth": 151.0,
    "PO4": 2.32,
    "SiOH4": 49.96,
    "NO3_NO2": 31.64,
    "NO2": 0.01,
    "NH4": 0.69,
    "NO3": 31.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4226, 58.7433] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0448",
    "depth": 201.0,
    "PO4": 2.65,
    "SiOH4": 63.01,
    "NO3_NO2": 36.98,
    "NO2": 0.01,
    "NH4": 0.65,
    "NO3": 36.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4226, 58.7433] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0448",
    "depth": 251.0,
    "PO4": 2.74,
    "SiOH4": 67.51,
    "NO3_NO2": 38.07,
    "NO2": 0.01,
    "NH4": 0.78,
    "NO3": 38.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4226, 58.7433] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 21,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0448",
    "depth": 292.0,
    "PO4": 2.97,
    "SiOH4": null,
    "NO3_NO2": 41.29,
    "NO2": 0.01,
    "NH4": 0.52,
    "NO3": 41.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4881, 58.7924] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0528",
    "depth": 2.0,
    "PO4": 1.11,
    "SiOH4": 19.31,
    "NO3_NO2": 13.79,
    "NO2": 0.1,
    "NH4": 1.23,
    "NO3": 13.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4881, 58.7924] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0528",
    "depth": 10.0,
    "PO4": 1.21,
    "SiOH4": 18.59,
    "NO3_NO2": 13.79,
    "NO2": 0.12,
    "NH4": 1.37,
    "NO3": 13.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4881, 58.7924] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0528",
    "depth": 20.0,
    "PO4": 1.22,
    "SiOH4": 17.2,
    "NO3_NO2": 13.69,
    "NO2": 0.17,
    "NH4": 1.57,
    "NO3": 13.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4881, 58.7924] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0528",
    "depth": 30.0,
    "PO4": 1.26,
    "SiOH4": 16.77,
    "NO3_NO2": 14.21,
    "NO2": 0.22,
    "NH4": 1.57,
    "NO3": 13.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4881, 58.7924] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0528",
    "depth": 41.0,
    "PO4": 1.35,
    "SiOH4": 17.31,
    "NO3_NO2": 15.04,
    "NO2": 0.25,
    "NH4": 1.85,
    "NO3": 14.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4881, 58.7924] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0528",
    "depth": 51.0,
    "PO4": 1.36,
    "SiOH4": 17.0,
    "NO3_NO2": 15.41,
    "NO2": 0.22,
    "NH4": 1.75,
    "NO3": 15.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4881, 58.7924] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0528",
    "depth": 75.0,
    "PO4": 1.85,
    "SiOH4": 29.3,
    "NO3_NO2": 23.63,
    "NO2": 0.0,
    "NH4": 1.59,
    "NO3": 23.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4881, 58.7924] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0528",
    "depth": 102.0,
    "PO4": 1.97,
    "SiOH4": 31.69,
    "NO3_NO2": 25.66,
    "NO2": 0.0,
    "NH4": 1.55,
    "NO3": 25.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4881, 58.7924] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0528",
    "depth": 201.0,
    "PO4": 2.6,
    "SiOH4": 49.68,
    "NO3_NO2": 36.02,
    "NO2": 0.0,
    "NH4": 1.51,
    "NO3": 36.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4881, 58.7924] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 22,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0528",
    "depth": 290.0,
    "PO4": 2.9,
    "SiOH4": null,
    "NO3_NO2": 40.6,
    "NO2": 0.0,
    "NH4": 1.11,
    "NO3": 40.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.4506] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0954",
    "depth": 2.0,
    "PO4": 1.25,
    "SiOH4": 19.85,
    "NO3_NO2": 15.09,
    "NO2": 0.0,
    "NH4": 0.6,
    "NO3": 15.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.4506] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0954",
    "depth": 11.0,
    "PO4": 1.32,
    "SiOH4": 19.85,
    "NO3_NO2": 15.09,
    "NO2": 0.0,
    "NH4": 0.6,
    "NO3": 15.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.4506] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0954",
    "depth": 21.0,
    "PO4": 1.31,
    "SiOH4": 19.72,
    "NO3_NO2": 15.09,
    "NO2": 0.0,
    "NH4": 0.82,
    "NO3": 15.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.4506] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0954",
    "depth": 30.0,
    "PO4": 1.31,
    "SiOH4": 20.08,
    "NO3_NO2": 15.09,
    "NO2": 0.0,
    "NH4": 1.0,
    "NO3": 15.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.4506] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0954",
    "depth": 42.0,
    "PO4": 1.31,
    "SiOH4": 19.95,
    "NO3_NO2": 15.04,
    "NO2": 0.0,
    "NH4": 1.15,
    "NO3": 15.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.4506] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0954",
    "depth": 50.0,
    "PO4": 1.27,
    "SiOH4": 19.95,
    "NO3_NO2": 15.09,
    "NO2": 0.0,
    "NH4": 1.09,
    "NO3": 15.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.4506] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0954",
    "depth": 74.0,
    "PO4": 1.36,
    "SiOH4": 20.84,
    "NO3_NO2": 16.03,
    "NO2": 0.0,
    "NH4": 0.8,
    "NO3": 16.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.4506] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0954",
    "depth": 96.0,
    "PO4": 1.46,
    "SiOH4": 22.81,
    "NO3_NO2": 18.01,
    "NO2": 0.0,
    "NH4": 0.5,
    "NO3": 18.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.4506] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0954",
    "depth": 125.0,
    "PO4": 1.69,
    "SiOH4": 25.93,
    "NO3_NO2": 20.92,
    "NO2": 0.0,
    "NH4": 0.42,
    "NO3": 20.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.4506] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 23,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "0954",
    "depth": 182.0,
    "PO4": 1.9,
    "SiOH4": 29.22,
    "NO3_NO2": 23.32,
    "NO2": 0.05,
    "NH4": 0.36,
    "NO3": 23.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.517] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1057",
    "depth": 2.0,
    "PO4": 1.24,
    "SiOH4": 18.74,
    "NO3_NO2": 14.38,
    "NO2": 0.0,
    "NH4": 0.19,
    "NO3": 14.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.517] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1057",
    "depth": 11.0,
    "PO4": 1.26,
    "SiOH4": 19.14,
    "NO3_NO2": 14.33,
    "NO2": 0.0,
    "NH4": 0.14,
    "NO3": 14.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.517] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1057",
    "depth": 21.0,
    "PO4": 1.27,
    "SiOH4": 19.36,
    "NO3_NO2": 14.34,
    "NO2": 0.0,
    "NH4": 0.23,
    "NO3": 14.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.517] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1057",
    "depth": 30.0,
    "PO4": 1.27,
    "SiOH4": 19.4,
    "NO3_NO2": 14.29,
    "NO2": 0.0,
    "NH4": 0.41,
    "NO3": 14.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.517] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1057",
    "depth": 40.0,
    "PO4": 1.31,
    "SiOH4": 19.86,
    "NO3_NO2": 14.82,
    "NO2": 0.0,
    "NH4": 0.42,
    "NO3": 14.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.517] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1057",
    "depth": 50.0,
    "PO4": 1.33,
    "SiOH4": 20.62,
    "NO3_NO2": 15.09,
    "NO2": 0.0,
    "NH4": 0.43,
    "NO3": 15.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.517] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1057",
    "depth": 75.0,
    "PO4": 1.4,
    "SiOH4": 21.44,
    "NO3_NO2": 15.77,
    "NO2": 0.0,
    "NH4": 0.52,
    "NO3": 15.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.517] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1057",
    "depth": 100.0,
    "PO4": 1.44,
    "SiOH4": 22.08,
    "NO3_NO2": 16.66,
    "NO2": 0.02,
    "NH4": 0.56,
    "NO3": 16.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.517] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1057",
    "depth": 125.0,
    "PO4": 1.53,
    "SiOH4": 24.04,
    "NO3_NO2": 18.39,
    "NO2": 0.02,
    "NH4": 0.57,
    "NO3": 18.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.517] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1057",
    "depth": 150.0,
    "PO4": 1.76,
    "SiOH4": 29.0,
    "NO3_NO2": 21.52,
    "NO2": 0.02,
    "NH4": 0.58,
    "NO3": 21.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8697, 59.517] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 25,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1057",
    "depth": 175.0,
    "PO4": 1.91,
    "SiOH4": 33.29,
    "NO3_NO2": 23.4,
    "NO2": 0.05,
    "NH4": 0.26,
    "NO3": 23.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.583] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 27,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1209",
    "depth": 2.0,
    "PO4": 1.22,
    "SiOH4": 19.54,
    "NO3_NO2": 13.83,
    "NO2": 0.07,
    "NH4": 0.16,
    "NO3": 13.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.583] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 27,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1209",
    "depth": 10.0,
    "PO4": 1.23,
    "SiOH4": 19.58,
    "NO3_NO2": 13.83,
    "NO2": 0.07,
    "NH4": 0.14,
    "NO3": 13.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.583] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 27,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1209",
    "depth": 21.0,
    "PO4": 1.25,
    "SiOH4": 19.8,
    "NO3_NO2": 13.79,
    "NO2": 0.07,
    "NH4": 0.07,
    "NO3": 13.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.583] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 27,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1209",
    "depth": 30.0,
    "PO4": 1.27,
    "SiOH4": 19.78,
    "NO3_NO2": 13.79,
    "NO2": 0.05,
    "NH4": 0.03,
    "NO3": 13.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.583] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 27,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1209",
    "depth": 41.0,
    "PO4": 1.25,
    "SiOH4": 19.82,
    "NO3_NO2": 13.75,
    "NO2": 0.05,
    "NH4": 0.07,
    "NO3": 13.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.583] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 27,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1209",
    "depth": 52.0,
    "PO4": 1.24,
    "SiOH4": 19.68,
    "NO3_NO2": 13.7,
    "NO2": 0.05,
    "NH4": 0.05,
    "NO3": 13.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.583] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 27,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1209",
    "depth": 76.0,
    "PO4": 1.32,
    "SiOH4": 20.62,
    "NO3_NO2": 14.7,
    "NO2": 0.02,
    "NH4": 0.0,
    "NO3": 14.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.583] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 27,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1209",
    "depth": 96.0,
    "PO4": 1.41,
    "SiOH4": 22.46,
    "NO3_NO2": 16.32,
    "NO2": 0.02,
    "NH4": 0.12,
    "NO3": 16.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.583] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 27,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1209",
    "depth": 117.0,
    "PO4": 1.57,
    "SiOH4": 25.74,
    "NO3_NO2": 18.77,
    "NO2": 0.02,
    "NH4": 0.36,
    "NO3": 18.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.583] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 27,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1209",
    "depth": 150.0,
    "PO4": 1.77,
    "SiOH4": 30.39,
    "NO3_NO2": 21.69,
    "NO2": 0.02,
    "NH4": 0.34,
    "NO3": 21.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8696, 59.583] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 27,
    "stn_id": "CF11",
    "water_depth": 178,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1209",
    "depth": 177.0,
    "PO4": 2.07,
    "SiOH4": 37.33,
    "NO3_NO2": 25.45,
    "NO2": 0.05,
    "NH4": 0.18,
    "NO3": 25.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8702, 59.6499] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 29,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1319",
    "depth": 2.0,
    "PO4": 1.18,
    "SiOH4": 20.04,
    "NO3_NO2": 14.37,
    "NO2": 0.01,
    "NH4": 0.17,
    "NO3": 14.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8702, 59.6499] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 29,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1319",
    "depth": 12.0,
    "PO4": 1.24,
    "SiOH4": 20.29,
    "NO3_NO2": 14.42,
    "NO2": 0.0,
    "NH4": 0.25,
    "NO3": 14.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8702, 59.6499] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 29,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1319",
    "depth": 21.0,
    "PO4": 1.25,
    "SiOH4": 20.41,
    "NO3_NO2": 14.42,
    "NO2": 0.01,
    "NH4": 0.28,
    "NO3": 14.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8702, 59.6499] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 29,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1319",
    "depth": 31.0,
    "PO4": 1.3,
    "SiOH4": 20.48,
    "NO3_NO2": 14.48,
    "NO2": 0.03,
    "NH4": 0.11,
    "NO3": 14.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8702, 59.6499] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 29,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1319",
    "depth": 42.0,
    "PO4": 1.27,
    "SiOH4": 20.49,
    "NO3_NO2": 14.53,
    "NO2": 0.02,
    "NH4": 0.17,
    "NO3": 14.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8702, 59.6499] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 29,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1319",
    "depth": 52.0,
    "PO4": 1.27,
    "SiOH4": 20.61,
    "NO3_NO2": 14.74,
    "NO2": 0.0,
    "NH4": 0.28,
    "NO3": 14.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8702, 59.6499] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 29,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1319",
    "depth": 72.0,
    "PO4": 1.3,
    "SiOH4": 21.31,
    "NO3_NO2": 15.76,
    "NO2": 0.03,
    "NH4": 0.41,
    "NO3": 15.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8702, 59.6499] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 29,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1319",
    "depth": 102.0,
    "PO4": 1.4,
    "SiOH4": 22.22,
    "NO3_NO2": 16.54,
    "NO2": 0.04,
    "NH4": 0.52,
    "NO3": 16.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8702, 59.6499] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 29,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1319",
    "depth": 122.0,
    "PO4": 1.48,
    "SiOH4": 23.73,
    "NO3_NO2": 17.64,
    "NO2": 0.03,
    "NH4": 0.41,
    "NO3": 17.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8702, 59.6499] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 29,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1319",
    "depth": 149.0,
    "PO4": 1.76,
    "SiOH4": 30.39,
    "NO3_NO2": 22.06,
    "NO2": 0.02,
    "NH4": 0.47,
    "NO3": 22.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8702, 59.6499] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 29,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1319",
    "depth": 177.0,
    "PO4": 2.2,
    "SiOH4": 42.93,
    "NO3_NO2": 28.88,
    "NO2": 0.01,
    "NH4": 0.66,
    "NO3": 28.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8711, 59.7165] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1410",
    "depth": 4.0,
    "PO4": 1.17,
    "SiOH4": 21.07,
    "NO3_NO2": 14.28,
    "NO2": 0.16,
    "NH4": 0.06,
    "NO3": 14.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8711, 59.7165] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1410",
    "depth": 9.0,
    "PO4": 1.25,
    "SiOH4": 20.95,
    "NO3_NO2": 14.34,
    "NO2": 0.15,
    "NH4": 0.03,
    "NO3": 14.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8711, 59.7165] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1410",
    "depth": 23.0,
    "PO4": 1.24,
    "SiOH4": 20.78,
    "NO3_NO2": 14.29,
    "NO2": 0.16,
    "NH4": 0.06,
    "NO3": 14.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8711, 59.7165] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1410",
    "depth": 31.0,
    "PO4": 1.25,
    "SiOH4": 20.79,
    "NO3_NO2": 14.34,
    "NO2": 0.15,
    "NH4": 0.06,
    "NO3": 14.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8711, 59.7165] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1410",
    "depth": 44.0,
    "PO4": 1.25,
    "SiOH4": 20.13,
    "NO3_NO2": 14.24,
    "NO2": 0.14,
    "NH4": 0.11,
    "NO3": 14.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8711, 59.7165] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1410",
    "depth": 52.0,
    "PO4": 1.24,
    "SiOH4": 20.14,
    "NO3_NO2": 14.29,
    "NO2": 0.12,
    "NH4": 0.0,
    "NO3": 14.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8711, 59.7165] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1410",
    "depth": 75.0,
    "PO4": 1.24,
    "SiOH4": 20.08,
    "NO3_NO2": 14.24,
    "NO2": 0.11,
    "NH4": 0.0,
    "NO3": 14.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8711, 59.7165] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1410",
    "depth": 103.0,
    "PO4": 1.37,
    "SiOH4": 22.07,
    "NO3_NO2": 16.12,
    "NO2": 0.08,
    "NH4": 0.0,
    "NO3": 16.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8711, 59.7165] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1410",
    "depth": 120.0,
    "PO4": 1.42,
    "SiOH4": 23.1,
    "NO3_NO2": 17.0,
    "NO2": 0.07,
    "NH4": 0.0,
    "NO3": 16.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8711, 59.7165] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1410",
    "depth": 149.0,
    "PO4": 1.69,
    "SiOH4": 28.86,
    "NO3_NO2": 20.96,
    "NO2": 0.05,
    "NH4": 0.06,
    "NO3": 20.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8711, 59.7165] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 30,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1410",
    "depth": 181.0,
    "PO4": 2.13,
    "SiOH4": 38.47,
    "NO3_NO2": 26.43,
    "NO2": 0.07,
    "NH4": 0.25,
    "NO3": 26.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.869, 59.7828] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1516",
    "depth": 4.0,
    "PO4": 1.11,
    "SiOH4": 20.73,
    "NO3_NO2": 14.15,
    "NO2": 0.05,
    "NH4": 0.66,
    "NO3": 14.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.869, 59.7828] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1516",
    "depth": 11.0,
    "PO4": 1.24,
    "SiOH4": 20.59,
    "NO3_NO2": 14.05,
    "NO2": 0.05,
    "NH4": 0.59,
    "NO3": 14.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.869, 59.7828] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1516",
    "depth": 23.0,
    "PO4": 1.22,
    "SiOH4": 20.45,
    "NO3_NO2": 14.04,
    "NO2": 0.04,
    "NH4": 0.46,
    "NO3": 14.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.869, 59.7828] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1516",
    "depth": 32.0,
    "PO4": 1.23,
    "SiOH4": 20.26,
    "NO3_NO2": 14.09,
    "NO2": 0.04,
    "NH4": 0.46,
    "NO3": 14.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.869, 59.7828] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1516",
    "depth": 39.0,
    "PO4": 1.25,
    "SiOH4": 20.42,
    "NO3_NO2": 14.4,
    "NO2": 0.02,
    "NH4": 0.36,
    "NO3": 14.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.869, 59.7828] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1516",
    "depth": 48.0,
    "PO4": 1.26,
    "SiOH4": 20.47,
    "NO3_NO2": 14.56,
    "NO2": 0.02,
    "NH4": 0.33,
    "NO3": 14.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.869, 59.7828] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1516",
    "depth": 75.0,
    "PO4": 1.26,
    "SiOH4": 19.79,
    "NO3_NO2": 14.56,
    "NO2": 0.04,
    "NH4": 0.46,
    "NO3": 14.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.869, 59.7828] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1516",
    "depth": 100.0,
    "PO4": 1.28,
    "SiOH4": 19.72,
    "NO3_NO2": 14.61,
    "NO2": 0.04,
    "NH4": 0.43,
    "NO3": 14.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.869, 59.7828] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1516",
    "depth": 123.0,
    "PO4": 1.36,
    "SiOH4": 22.4,
    "NO3_NO2": 16.32,
    "NO2": 0.01,
    "NH4": 0.26,
    "NO3": 16.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.869, 59.7828] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1516",
    "depth": 151.0,
    "PO4": 1.72,
    "SiOH4": 29.34,
    "NO3_NO2": 21.63,
    "NO2": 0.01,
    "NH4": 0.13,
    "NO3": 21.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.869, 59.7828] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 32,
    "stn_id": "CF5",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1516",
    "depth": 193.0,
    "PO4": 2.09,
    "SiOH4": 38.39,
    "NO3_NO2": 27.04,
    "NO2": 0.01,
    "NH4": 0.07,
    "NO3": 27.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8694, 59.8496] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "CF3",
    "water_depth": 164,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1622",
    "depth": 2.0,
    "PO4": 1.06,
    "SiOH4": 18.45,
    "NO3_NO2": 12.67,
    "NO2": 0.01,
    "NH4": 0.13,
    "NO3": 12.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8694, 59.8496] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "CF3",
    "water_depth": 164,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1622",
    "depth": 11.0,
    "PO4": 1.09,
    "SiOH4": 18.38,
    "NO3_NO2": 12.72,
    "NO2": 0.01,
    "NH4": 0.36,
    "NO3": 12.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8694, 59.8496] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "CF3",
    "water_depth": 164,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1622",
    "depth": 20.0,
    "PO4": 1.1,
    "SiOH4": 18.48,
    "NO3_NO2": 12.87,
    "NO2": 0.01,
    "NH4": 0.46,
    "NO3": 12.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8694, 59.8496] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "CF3",
    "water_depth": 164,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1622",
    "depth": 31.0,
    "PO4": 1.13,
    "SiOH4": 18.47,
    "NO3_NO2": 12.98,
    "NO2": 0.01,
    "NH4": 0.43,
    "NO3": 12.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8694, 59.8496] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "CF3",
    "water_depth": 164,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1622",
    "depth": 42.0,
    "PO4": 1.13,
    "SiOH4": 18.39,
    "NO3_NO2": 13.13,
    "NO2": 0.01,
    "NH4": 0.5,
    "NO3": 13.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8694, 59.8496] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "CF3",
    "water_depth": 164,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1622",
    "depth": 50.0,
    "PO4": 1.22,
    "SiOH4": 18.86,
    "NO3_NO2": 13.7,
    "NO2": 0.03,
    "NH4": 0.53,
    "NO3": 13.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8694, 59.8496] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "CF3",
    "water_depth": 164,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1622",
    "depth": 75.0,
    "PO4": 1.21,
    "SiOH4": 18.9,
    "NO3_NO2": 14.06,
    "NO2": 0.05,
    "NH4": 0.53,
    "NO3": 14.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8694, 59.8496] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "CF3",
    "water_depth": 164,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1622",
    "depth": 100.0,
    "PO4": 1.29,
    "SiOH4": 20.8,
    "NO3_NO2": 14.79,
    "NO2": 0.05,
    "NH4": 0.5,
    "NO3": 14.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8694, 59.8496] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "CF3",
    "water_depth": 164,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1622",
    "depth": 126.0,
    "PO4": 1.31,
    "SiOH4": 21.51,
    "NO3_NO2": 15.26,
    "NO2": 0.05,
    "NH4": 0.53,
    "NO3": 15.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8694, 59.8496] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 34,
    "stn_id": "CF3",
    "water_depth": 164,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1622",
    "depth": 159.0,
    "PO4": 1.56,
    "SiOH4": 26.29,
    "NO3_NO2": 18.95,
    "NO2": 0.05,
    "NH4": 0.43,
    "NO3": 18.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8689, 59.9076] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1719",
    "depth": 2.0,
    "PO4": 0.86,
    "SiOH4": 17.07,
    "NO3_NO2": 11.2,
    "NO2": 0.0,
    "NH4": 0.0,
    "NO3": 11.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8689, 59.9076] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1719",
    "depth": 11.0,
    "PO4": 0.95,
    "SiOH4": 17.1,
    "NO3_NO2": 11.24,
    "NO2": 0.02,
    "NH4": 0.01,
    "NO3": 11.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8689, 59.9076] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1719",
    "depth": 20.0,
    "PO4": 0.96,
    "SiOH4": 17.31,
    "NO3_NO2": 11.24,
    "NO2": 0.0,
    "NH4": 0.01,
    "NO3": 11.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8689, 59.9076] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1719",
    "depth": 32.0,
    "PO4": 1.0,
    "SiOH4": 17.46,
    "NO3_NO2": 11.39,
    "NO2": 0.05,
    "NH4": 0.01,
    "NO3": 11.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8689, 59.9076] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1719",
    "depth": 41.0,
    "PO4": 0.99,
    "SiOH4": 17.98,
    "NO3_NO2": 11.65,
    "NO2": 0.05,
    "NH4": 0.02,
    "NO3": 11.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8689, 59.9076] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1719",
    "depth": 51.0,
    "PO4": 1.07,
    "SiOH4": 18.68,
    "NO3_NO2": 12.12,
    "NO2": 0.07,
    "NH4": 0.02,
    "NO3": 12.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8689, 59.9076] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1719",
    "depth": 76.0,
    "PO4": 1.21,
    "SiOH4": 21.33,
    "NO3_NO2": 14.07,
    "NO2": 0.05,
    "NH4": 0.15,
    "NO3": 14.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8689, 59.9076] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 36,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "1719",
    "depth": 84.0,
    "PO4": 1.26,
    "SiOH4": 22.15,
    "NO3_NO2": 14.49,
    "NO2": 0.05,
    "NH4": 0.03,
    "NO3": 14.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9893, 60.2774] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "KIP2",
    "water_depth": 567,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "2148",
    "depth": 2.0,
    "PO4": 0.77,
    "SiOH4": 13.99,
    "NO3_NO2": 9.04,
    "NO2": 0.07,
    "NH4": 0.01,
    "NO3": 8.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9893, 60.2774] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "KIP2",
    "water_depth": 567,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "2148",
    "depth": 11.0,
    "PO4": 0.78,
    "SiOH4": 14.57,
    "NO3_NO2": 9.35,
    "NO2": 0.05,
    "NH4": 0.01,
    "NO3": 9.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9893, 60.2774] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "KIP2",
    "water_depth": 567,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "2148",
    "depth": 19.0,
    "PO4": 0.94,
    "SiOH4": 17.04,
    "NO3_NO2": 10.88,
    "NO2": 0.05,
    "NH4": 0.02,
    "NO3": 10.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9893, 60.2774] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "KIP2",
    "water_depth": 567,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "2148",
    "depth": 30.0,
    "PO4": 1.02,
    "SiOH4": 18.23,
    "NO3_NO2": 11.77,
    "NO2": 0.02,
    "NH4": 0.09,
    "NO3": 11.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9893, 60.2774] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "KIP2",
    "water_depth": 567,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "2148",
    "depth": 41.0,
    "PO4": 1.04,
    "SiOH4": 19.54,
    "NO3_NO2": 12.45,
    "NO2": 0.02,
    "NH4": 0.07,
    "NO3": 12.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9893, 60.2774] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "KIP2",
    "water_depth": 567,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "2148",
    "depth": 49.0,
    "PO4": 1.08,
    "SiOH4": 20.06,
    "NO3_NO2": 13.29,
    "NO2": 0.02,
    "NH4": 0.0,
    "NO3": 13.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9893, 60.2774] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "KIP2",
    "water_depth": 567,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "2148",
    "depth": 77.0,
    "PO4": 1.13,
    "SiOH4": 21.0,
    "NO3_NO2": 13.5,
    "NO2": 0.02,
    "NH4": 0.01,
    "NO3": 13.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9893, 60.2774] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "KIP2",
    "water_depth": 567,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "2148",
    "depth": 96.0,
    "PO4": 1.3,
    "SiOH4": 21.89,
    "NO3_NO2": 15.56,
    "NO2": 0.02,
    "NH4": 0.08,
    "NO3": 15.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9893, 60.2774] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "KIP2",
    "water_depth": 567,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "2148",
    "depth": 251.0,
    "PO4": 2.0,
    "SiOH4": 40.0,
    "NO3_NO2": 26.38,
    "NO2": 0.0,
    "NH4": 0.06,
    "NO3": 26.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9893, 60.2774] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "KIP2",
    "water_depth": 567,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "2148",
    "depth": 341.0,
    "PO4": 2.07,
    "SiOH4": 40.15,
    "NO3_NO2": 27.01,
    "NO2": 0.02,
    "NH4": 0.14,
    "NO3": 26.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9893, 60.2774] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 37,
    "stn_id": "KIP2",
    "water_depth": 567,
    "month_gmt": "12",
    "day_gmt": "03",
    "time_gmt": "2148",
    "depth": 500.0,
    "PO4": 2.06,
    "SiOH4": 40.54,
    "NO3_NO2": 27.22,
    "NO2": 0.0,
    "NH4": 0.09,
    "NO3": 27.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7006, 60.193] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "HB1",
    "water_depth": 247,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0021",
    "depth": 2.0,
    "PO4": 0.94,
    "SiOH4": 16.98,
    "NO3_NO2": 11.35,
    "NO2": 0.1,
    "NH4": 0.04,
    "NO3": 11.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7006, 60.193] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "HB1",
    "water_depth": 247,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0021",
    "depth": 11.0,
    "PO4": 0.97,
    "SiOH4": 17.04,
    "NO3_NO2": 11.4,
    "NO2": 0.02,
    "NH4": 0.01,
    "NO3": 11.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7006, 60.193] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "HB1",
    "water_depth": 247,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0021",
    "depth": 20.0,
    "PO4": 1.0,
    "SiOH4": 17.28,
    "NO3_NO2": 11.45,
    "NO2": 0.0,
    "NH4": 0.01,
    "NO3": 11.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7006, 60.193] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "HB1",
    "water_depth": 247,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0021",
    "depth": 31.0,
    "PO4": 1.02,
    "SiOH4": 17.95,
    "NO3_NO2": 11.92,
    "NO2": 0.0,
    "NH4": 0.01,
    "NO3": 11.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7006, 60.193] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "HB1",
    "water_depth": 247,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0021",
    "depth": 41.0,
    "PO4": 1.06,
    "SiOH4": 18.8,
    "NO3_NO2": 12.44,
    "NO2": 0.02,
    "NH4": 0.02,
    "NO3": 12.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7006, 60.193] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "HB1",
    "water_depth": 247,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0021",
    "depth": 50.0,
    "PO4": 1.09,
    "SiOH4": 19.72,
    "NO3_NO2": 12.81,
    "NO2": 0.02,
    "NH4": 0.26,
    "NO3": 12.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7006, 60.193] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "HB1",
    "water_depth": 247,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0021",
    "depth": 75.0,
    "PO4": 1.19,
    "SiOH4": 21.3,
    "NO3_NO2": 13.97,
    "NO2": 0.02,
    "NH4": 0.17,
    "NO3": 13.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7006, 60.193] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "HB1",
    "water_depth": 247,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0021",
    "depth": 99.0,
    "PO4": 1.3,
    "SiOH4": 22.89,
    "NO3_NO2": 15.49,
    "NO2": 0.0,
    "NH4": 0.14,
    "NO3": 15.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7006, 60.193] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "HB1",
    "water_depth": 247,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0021",
    "depth": 151.0,
    "PO4": 1.7,
    "SiOH4": 32.11,
    "NO3_NO2": 21.09,
    "NO2": 0.05,
    "NH4": 0.18,
    "NO3": 21.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7006, 60.193] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "HB1",
    "water_depth": 247,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0021",
    "depth": 201.0,
    "PO4": 1.87,
    "SiOH4": 37.06,
    "NO3_NO2": 23.46,
    "NO2": 0.02,
    "NH4": 0.15,
    "NO3": 23.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7006, 60.193] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 39,
    "stn_id": "HB1",
    "water_depth": 247,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0021",
    "depth": 239.0,
    "PO4": 2.02,
    "SiOH4": 40.91,
    "NO3_NO2": 25.57,
    "NO2": 0.07,
    "NH4": 0.3,
    "NO3": 25.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.641, 60.1804] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "HB2",
    "water_depth": 174,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0057",
    "depth": 3.0,
    "PO4": 0.94,
    "SiOH4": 17.93,
    "NO3_NO2": 11.57,
    "NO2": 0.05,
    "NH4": 0.0,
    "NO3": 11.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.641, 60.1804] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "HB2",
    "water_depth": 174,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0057",
    "depth": 10.0,
    "PO4": 1.02,
    "SiOH4": 18.9,
    "NO3_NO2": 11.98,
    "NO2": 0.0,
    "NH4": 0.01,
    "NO3": 11.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.641, 60.1804] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "HB2",
    "water_depth": 174,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0057",
    "depth": 20.0,
    "PO4": 1.03,
    "SiOH4": 20.06,
    "NO3_NO2": 12.51,
    "NO2": 0.0,
    "NH4": 0.04,
    "NO3": 12.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.641, 60.1804] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "HB2",
    "water_depth": 174,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0057",
    "depth": 30.0,
    "PO4": 1.08,
    "SiOH4": 20.3,
    "NO3_NO2": 12.77,
    "NO2": 0.0,
    "NH4": 0.04,
    "NO3": 12.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.641, 60.1804] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "HB2",
    "water_depth": 174,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0057",
    "depth": 42.0,
    "PO4": 1.08,
    "SiOH4": 20.36,
    "NO3_NO2": 12.81,
    "NO2": 0.02,
    "NH4": 0.01,
    "NO3": 12.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.641, 60.1804] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "HB2",
    "water_depth": 174,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0057",
    "depth": 52.0,
    "PO4": 1.09,
    "SiOH4": 20.67,
    "NO3_NO2": 12.86,
    "NO2": 0.0,
    "NH4": 0.05,
    "NO3": 12.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.641, 60.1804] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "HB2",
    "water_depth": 174,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0057",
    "depth": 75.0,
    "PO4": 1.22,
    "SiOH4": 22.68,
    "NO3_NO2": 14.39,
    "NO2": 0.02,
    "NH4": 0.05,
    "NO3": 14.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.641, 60.1804] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "HB2",
    "water_depth": 174,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0057",
    "depth": 98.0,
    "PO4": 1.36,
    "SiOH4": 24.94,
    "NO3_NO2": 16.18,
    "NO2": 0.0,
    "NH4": 0.02,
    "NO3": 16.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.641, 60.1804] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "HB2",
    "water_depth": 174,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0057",
    "depth": 125.0,
    "PO4": 1.46,
    "SiOH4": 27.56,
    "NO3_NO2": 18.08,
    "NO2": 0.0,
    "NH4": 0.05,
    "NO3": 18.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.641, 60.1804] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 40,
    "stn_id": "HB2",
    "water_depth": 174,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0057",
    "depth": 177.0,
    "PO4": 1.79,
    "SiOH4": 35.01,
    "NO3_NO2": 22.51,
    "NO2": 0.02,
    "NH4": 0.15,
    "NO3": 22.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5728, 60.1642] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 41,
    "stn_id": "HB3",
    "water_depth": 86,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0131",
    "depth": 2.0,
    "PO4": 1.03,
    "SiOH4": 21.19,
    "NO3_NO2": 13.1,
    "NO2": 0.0,
    "NH4": 0.45,
    "NO3": 13.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5728, 60.1642] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 41,
    "stn_id": "HB3",
    "water_depth": 86,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0131",
    "depth": 10.0,
    "PO4": 1.11,
    "SiOH4": 21.23,
    "NO3_NO2": 13.1,
    "NO2": 0.02,
    "NH4": 0.54,
    "NO3": 13.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5728, 60.1642] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 41,
    "stn_id": "HB3",
    "water_depth": 86,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0131",
    "depth": 20.0,
    "PO4": 1.12,
    "SiOH4": 21.34,
    "NO3_NO2": 13.15,
    "NO2": 0.01,
    "NH4": 0.45,
    "NO3": 13.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5728, 60.1642] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 41,
    "stn_id": "HB3",
    "water_depth": 86,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0131",
    "depth": 30.0,
    "PO4": 1.14,
    "SiOH4": 21.51,
    "NO3_NO2": 13.2,
    "NO2": 0.01,
    "NH4": 0.48,
    "NO3": 13.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5728, 60.1642] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 41,
    "stn_id": "HB3",
    "water_depth": 86,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0131",
    "depth": 40.0,
    "PO4": 1.19,
    "SiOH4": 21.74,
    "NO3_NO2": 13.56,
    "NO2": 0.03,
    "NH4": 0.54,
    "NO3": 13.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5728, 60.1642] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 41,
    "stn_id": "HB3",
    "water_depth": 86,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0131",
    "depth": 50.0,
    "PO4": 1.22,
    "SiOH4": 22.7,
    "NO3_NO2": 14.19,
    "NO2": 0.02,
    "NH4": 0.45,
    "NO3": 14.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5728, 60.1642] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 41,
    "stn_id": "HB3",
    "water_depth": 86,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0131",
    "depth": 67.0,
    "PO4": 1.32,
    "SiOH4": 24.21,
    "NO3_NO2": 15.51,
    "NO2": 0.02,
    "NH4": 0.27,
    "NO3": 15.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5728, 60.1642] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 41,
    "stn_id": "HB3",
    "water_depth": 86,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0131",
    "depth": 80.0,
    "PO4": 1.37,
    "SiOH4": 24.5,
    "NO3_NO2": 15.72,
    "NO2": 0.01,
    "NH4": 0.33,
    "NO3": 15.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5035, 60.1491] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0159",
    "depth": 2.0,
    "PO4": 1.1,
    "SiOH4": 21.0,
    "NO3_NO2": 13.18,
    "NO2": 0.03,
    "NH4": 0.15,
    "NO3": 13.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5035, 60.1491] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0159",
    "depth": 10.0,
    "PO4": 1.14,
    "SiOH4": 21.29,
    "NO3_NO2": 13.28,
    "NO2": 0.05,
    "NH4": 0.15,
    "NO3": 13.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5035, 60.1491] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0159",
    "depth": 30.0,
    "PO4": 1.21,
    "SiOH4": 22.01,
    "NO3_NO2": 13.75,
    "NO2": 0.02,
    "NH4": 0.24,
    "NO3": 13.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5035, 60.1491] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0159",
    "depth": 39.0,
    "PO4": 1.23,
    "SiOH4": 22.42,
    "NO3_NO2": 14.12,
    "NO2": 0.02,
    "NH4": 0.3,
    "NO3": 14.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5035, 60.1491] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0159",
    "depth": 51.0,
    "PO4": 1.26,
    "SiOH4": 23.26,
    "NO3_NO2": 14.81,
    "NO2": 0.04,
    "NH4": 0.15,
    "NO3": 14.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5035, 60.1491] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0159",
    "depth": 76.0,
    "PO4": 1.32,
    "SiOH4": 24.04,
    "NO3_NO2": 15.49,
    "NO2": 0.03,
    "NH4": 0.12,
    "NO3": 15.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5035, 60.1491] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 42,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0159",
    "depth": 102.0,
    "PO4": 1.49,
    "SiOH4": 28.67,
    "NO3_NO2": 17.23,
    "NO2": 0.05,
    "NH4": 0.3,
    "NO3": 17.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4471, 60.1342] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 43,
    "stn_id": "HB5",
    "water_depth": 40,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0228",
    "depth": 3.0,
    "PO4": 1.1,
    "SiOH4": 21.19,
    "NO3_NO2": 13.42,
    "NO2": 0.01,
    "NH4": 0.29,
    "NO3": 13.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4471, 60.1342] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 43,
    "stn_id": "HB5",
    "water_depth": 40,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0228",
    "depth": 11.0,
    "PO4": 1.15,
    "SiOH4": 21.45,
    "NO3_NO2": 13.52,
    "NO2": 0.05,
    "NH4": 0.12,
    "NO3": 13.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4471, 60.1342] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 43,
    "stn_id": "HB5",
    "water_depth": 40,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0228",
    "depth": 20.0,
    "PO4": 1.21,
    "SiOH4": 22.02,
    "NO3_NO2": 13.94,
    "NO2": 0.02,
    "NH4": 0.29,
    "NO3": 13.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4471, 60.1342] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 43,
    "stn_id": "HB5",
    "water_depth": 40,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0228",
    "depth": 30.0,
    "PO4": 1.26,
    "SiOH4": 22.29,
    "NO3_NO2": 14.46,
    "NO2": 0.01,
    "NH4": 0.3,
    "NO3": 14.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4471, 60.1342] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 43,
    "stn_id": "HB5",
    "water_depth": 40,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0228",
    "depth": 44.0,
    "PO4": 1.29,
    "SiOH4": 22.74,
    "NO3_NO2": 14.99,
    "NO2": 0.0,
    "NH4": 0.25,
    "NO3": 14.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9297, 59.9541] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "MS1",
    "water_depth": 166,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0419",
    "depth": 2.0,
    "PO4": 0.91,
    "SiOH4": 17.02,
    "NO3_NO2": 10.87,
    "NO2": 0.09,
    "NH4": 0.13,
    "NO3": 10.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9297, 59.9541] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "MS1",
    "water_depth": 166,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0419",
    "depth": 11.0,
    "PO4": 1.07,
    "SiOH4": 19.67,
    "NO3_NO2": 12.5,
    "NO2": 0.06,
    "NH4": 0.11,
    "NO3": 12.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9297, 59.9541] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "MS1",
    "water_depth": 166,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0419",
    "depth": 21.0,
    "PO4": 1.07,
    "SiOH4": 19.69,
    "NO3_NO2": 12.66,
    "NO2": 0.08,
    "NH4": 0.08,
    "NO3": 12.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9297, 59.9541] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "MS1",
    "water_depth": 166,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0419",
    "depth": 27.0,
    "PO4": 1.09,
    "SiOH4": 20.02,
    "NO3_NO2": 12.65,
    "NO2": 0.07,
    "NH4": 0.47,
    "NO3": 12.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9297, 59.9541] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "MS1",
    "water_depth": 166,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0419",
    "depth": 37.0,
    "PO4": 1.09,
    "SiOH4": 20.17,
    "NO3_NO2": 12.7,
    "NO2": 0.06,
    "NH4": 0.21,
    "NO3": 12.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9297, 59.9541] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "MS1",
    "water_depth": 166,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0419",
    "depth": 49.0,
    "PO4": 1.09,
    "SiOH4": 20.37,
    "NO3_NO2": 13.28,
    "NO2": 0.05,
    "NH4": 0.3,
    "NO3": 13.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9297, 59.9541] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "MS1",
    "water_depth": 166,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0419",
    "depth": 74.0,
    "PO4": 1.26,
    "SiOH4": 20.13,
    "NO3_NO2": 14.97,
    "NO2": 0.07,
    "NH4": 0.21,
    "NO3": 14.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9297, 59.9541] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "MS1",
    "water_depth": 166,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0419",
    "depth": 104.0,
    "PO4": 1.42,
    "SiOH4": 24.51,
    "NO3_NO2": 17.35,
    "NO2": 0.06,
    "NH4": 0.4,
    "NO3": 17.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9297, 59.9541] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "MS1",
    "water_depth": 166,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0419",
    "depth": 125.0,
    "PO4": 1.5,
    "SiOH4": 26.98,
    "NO3_NO2": 18.29,
    "NO2": 0.03,
    "NH4": 0.33,
    "NO3": 18.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9297, 59.9541] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "MS1",
    "water_depth": 166,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0419",
    "depth": 149.0,
    "PO4": 1.8,
    "SiOH4": 34.09,
    "NO3_NO2": 22.36,
    "NO2": 0.02,
    "NH4": 0.45,
    "NO3": 22.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9297, 59.9541] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 44,
    "stn_id": "MS1",
    "water_depth": 166,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0419",
    "depth": 162.0,
    "PO4": 1.86,
    "SiOH4": 36.19,
    "NO3_NO2": 23.78,
    "NO2": 0.04,
    "NH4": 0.36,
    "NO3": 23.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.898, 59.9439] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "MS2",
    "water_depth": 192,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0446",
    "depth": 3.0,
    "PO4": 1.02,
    "SiOH4": 19.36,
    "NO3_NO2": 12.25,
    "NO2": 0.04,
    "NH4": 0.52,
    "NO3": 12.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.898, 59.9439] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "MS2",
    "water_depth": 192,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0446",
    "depth": 11.0,
    "PO4": 1.05,
    "SiOH4": 19.57,
    "NO3_NO2": 12.41,
    "NO2": 0.04,
    "NH4": 0.31,
    "NO3": 12.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.898, 59.9439] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "MS2",
    "water_depth": 192,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0446",
    "depth": 22.0,
    "PO4": 1.08,
    "SiOH4": 19.84,
    "NO3_NO2": 12.57,
    "NO2": 0.02,
    "NH4": 0.34,
    "NO3": 12.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.898, 59.9439] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "MS2",
    "water_depth": 192,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0446",
    "depth": 31.0,
    "PO4": 1.1,
    "SiOH4": 20.47,
    "NO3_NO2": 12.93,
    "NO2": 0.01,
    "NH4": 0.22,
    "NO3": 12.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.898, 59.9439] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "MS2",
    "water_depth": 192,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0446",
    "depth": 42.0,
    "PO4": 1.15,
    "SiOH4": 20.92,
    "NO3_NO2": 13.3,
    "NO2": 0.01,
    "NH4": 0.32,
    "NO3": 13.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.898, 59.9439] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "MS2",
    "water_depth": 192,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0446",
    "depth": 75.0,
    "PO4": 1.31,
    "SiOH4": 22.72,
    "NO3_NO2": 15.78,
    "NO2": 0.01,
    "NH4": 0.32,
    "NO3": 15.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.898, 59.9439] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "MS2",
    "water_depth": 192,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0446",
    "depth": 101.0,
    "PO4": 1.28,
    "SiOH4": 22.99,
    "NO3_NO2": 15.25,
    "NO2": 0.01,
    "NH4": 0.23,
    "NO3": 15.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.898, 59.9439] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "MS2",
    "water_depth": 192,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0446",
    "depth": 125.0,
    "PO4": 1.55,
    "SiOH4": 28.45,
    "NO3_NO2": 19.26,
    "NO2": 0.0,
    "NH4": 0.38,
    "NO3": 19.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.898, 59.9439] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "MS2",
    "water_depth": 192,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0446",
    "depth": 150.0,
    "PO4": 1.81,
    "SiOH4": 34.34,
    "NO3_NO2": 22.7,
    "NO2": 0.0,
    "NH4": 0.42,
    "NO3": 22.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.898, 59.9439] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 45,
    "stn_id": "MS2",
    "water_depth": 192,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0446",
    "depth": 185.0,
    "PO4": 1.93,
    "SiOH4": 37.3,
    "NO3_NO2": 24.28,
    "NO2": 0.0,
    "NH4": 0.63,
    "NO3": 24.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8567, 59.9313] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "MS3",
    "water_depth": 166,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0513",
    "depth": 1.0,
    "PO4": 1.05,
    "SiOH4": 20.52,
    "NO3_NO2": 12.97,
    "NO2": 0.02,
    "NH4": 0.78,
    "NO3": 12.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8567, 59.9313] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "MS3",
    "water_depth": 166,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0513",
    "depth": 10.0,
    "PO4": 1.08,
    "SiOH4": 20.61,
    "NO3_NO2": 12.91,
    "NO2": 0.0,
    "NH4": 0.73,
    "NO3": 12.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8567, 59.9313] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "MS3",
    "water_depth": 166,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0513",
    "depth": 20.0,
    "PO4": 1.07,
    "SiOH4": 20.7,
    "NO3_NO2": 12.97,
    "NO2": 0.02,
    "NH4": 0.82,
    "NO3": 12.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8567, 59.9313] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "MS3",
    "water_depth": 166,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0513",
    "depth": 31.0,
    "PO4": 1.16,
    "SiOH4": 21.33,
    "NO3_NO2": 13.44,
    "NO2": 0.04,
    "NH4": 0.79,
    "NO3": 13.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8567, 59.9313] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "MS3",
    "water_depth": 166,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0513",
    "depth": 41.0,
    "PO4": 1.21,
    "SiOH4": 22.33,
    "NO3_NO2": 14.23,
    "NO2": 0.01,
    "NH4": 0.79,
    "NO3": 14.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8567, 59.9313] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "MS3",
    "water_depth": 166,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0513",
    "depth": 51.0,
    "PO4": 1.25,
    "SiOH4": 21.81,
    "NO3_NO2": 14.65,
    "NO2": 0.01,
    "NH4": 0.8,
    "NO3": 14.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8567, 59.9313] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "MS3",
    "water_depth": 166,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0513",
    "depth": 75.0,
    "PO4": 1.25,
    "SiOH4": 22.08,
    "NO3_NO2": 15.17,
    "NO2": 0.01,
    "NH4": 0.62,
    "NO3": 15.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8567, 59.9313] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "MS3",
    "water_depth": 166,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0513",
    "depth": 102.0,
    "PO4": 1.34,
    "SiOH4": 23.2,
    "NO3_NO2": 16.07,
    "NO2": 0.03,
    "NH4": 0.5,
    "NO3": 16.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8567, 59.9313] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "MS3",
    "water_depth": 166,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0513",
    "depth": 125.0,
    "PO4": 1.6,
    "SiOH4": 28.91,
    "NO3_NO2": 19.77,
    "NO2": 0.0,
    "NH4": 0.56,
    "NO3": 19.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8567, 59.9313] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 46,
    "stn_id": "MS3",
    "water_depth": 166,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0513",
    "depth": 163.0,
    "PO4": 1.93,
    "SiOH4": 37.43,
    "NO3_NO2": 24.31,
    "NO2": 0.03,
    "NH4": 0.45,
    "NO3": 24.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8324, 59.92] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 47,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0538",
    "depth": 2.0,
    "PO4": 0.99,
    "SiOH4": 20.07,
    "NO3_NO2": 13.05,
    "NO2": 0.02,
    "NH4": 0.49,
    "NO3": 13.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8324, 59.92] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 47,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0538",
    "depth": 10.0,
    "PO4": 1.09,
    "SiOH4": 20.66,
    "NO3_NO2": 13.21,
    "NO2": 0.02,
    "NH4": 0.34,
    "NO3": 13.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8324, 59.92] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 47,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0538",
    "depth": 21.0,
    "PO4": 1.22,
    "SiOH4": 21.49,
    "NO3_NO2": 14.27,
    "NO2": 0.0,
    "NH4": 0.29,
    "NO3": 14.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8324, 59.92] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 47,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0538",
    "depth": 31.0,
    "PO4": 1.24,
    "SiOH4": 22.01,
    "NO3_NO2": 14.27,
    "NO2": 0.0,
    "NH4": 0.21,
    "NO3": 14.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8324, 59.92] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 47,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0538",
    "depth": 41.0,
    "PO4": 1.25,
    "SiOH4": 22.1,
    "NO3_NO2": 14.58,
    "NO2": 0.0,
    "NH4": 0.18,
    "NO3": 14.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8324, 59.92] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 47,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0538",
    "depth": 51.0,
    "PO4": 1.25,
    "SiOH4": 21.77,
    "NO3_NO2": 14.43,
    "NO2": 0.02,
    "NH4": 0.34,
    "NO3": 14.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8324, 59.92] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 47,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0538",
    "depth": 75.0,
    "PO4": 1.25,
    "SiOH4": 22.11,
    "NO3_NO2": 14.8,
    "NO2": 0.02,
    "NH4": 0.26,
    "NO3": 14.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8324, 59.92] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 47,
    "stn_id": "MS4",
    "water_depth": 112,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "0538",
    "depth": 101.0,
    "PO4": 1.34,
    "SiOH4": 23.67,
    "NO3_NO2": 15.9,
    "NO2": 0.02,
    "NH4": 0.53,
    "NO3": 15.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1929, 60.1433] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 56,
    "stn_id": "HE12",
    "water_depth": 115,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2228",
    "depth": 3.0,
    "PO4": 1.11,
    "SiOH4": 22.2,
    "NO3_NO2": 15.03,
    "NO2": 0.0,
    "NH4": 0.14,
    "NO3": 15.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1929, 60.1433] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 56,
    "stn_id": "HE12",
    "water_depth": 115,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2228",
    "depth": 10.0,
    "PO4": 1.2,
    "SiOH4": 22.42,
    "NO3_NO2": 15.2,
    "NO2": 0.0,
    "NH4": 0.05,
    "NO3": 15.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1929, 60.1433] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 56,
    "stn_id": "HE12",
    "water_depth": 115,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2228",
    "depth": 21.0,
    "PO4": 1.22,
    "SiOH4": 22.37,
    "NO3_NO2": 15.2,
    "NO2": 0.0,
    "NH4": 0.09,
    "NO3": 15.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1929, 60.1433] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 56,
    "stn_id": "HE12",
    "water_depth": 115,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2228",
    "depth": 31.0,
    "PO4": 1.22,
    "SiOH4": 22.32,
    "NO3_NO2": 15.2,
    "NO2": 0.0,
    "NH4": 0.05,
    "NO3": 15.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1929, 60.1433] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 56,
    "stn_id": "HE12",
    "water_depth": 115,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2228",
    "depth": 38.0,
    "PO4": 1.23,
    "SiOH4": 22.28,
    "NO3_NO2": null,
    "NO2": 0.0,
    "NH4": 0.05,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1929, 60.1433] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 56,
    "stn_id": "HE12",
    "water_depth": 115,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2228",
    "depth": 50.0,
    "PO4": 1.24,
    "SiOH4": 22.28,
    "NO3_NO2": 14.86,
    "NO2": 0.0,
    "NH4": 0.03,
    "NO3": 14.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1929, 60.1433] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 56,
    "stn_id": "HE12",
    "water_depth": 115,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2228",
    "depth": 75.0,
    "PO4": 1.25,
    "SiOH4": 22.29,
    "NO3_NO2": 14.86,
    "NO2": 0.0,
    "NH4": 0.01,
    "NO3": 14.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1929, 60.1433] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 56,
    "stn_id": "HE12",
    "water_depth": 115,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2228",
    "depth": 102.0,
    "PO4": 1.26,
    "SiOH4": 22.5,
    "NO3_NO2": 15.42,
    "NO2": 0.0,
    "NH4": 0.01,
    "NO3": 15.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1344, 60.1309] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "HE11",
    "water_depth": 215,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2258",
    "depth": 4.0,
    "PO4": 1.17,
    "SiOH4": 21.82,
    "NO3_NO2": 14.53,
    "NO2": 0.0,
    "NH4": 0.01,
    "NO3": 14.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1344, 60.1309] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "HE11",
    "water_depth": 215,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2258",
    "depth": 12.0,
    "PO4": 1.21,
    "SiOH4": 21.99,
    "NO3_NO2": 14.64,
    "NO2": 0.02,
    "NH4": 0.01,
    "NO3": 14.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1344, 60.1309] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "HE11",
    "water_depth": 215,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2258",
    "depth": 21.0,
    "PO4": 1.2,
    "SiOH4": 21.83,
    "NO3_NO2": 14.64,
    "NO2": 0.02,
    "NH4": 0.01,
    "NO3": 14.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1344, 60.1309] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "HE11",
    "water_depth": 215,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2258",
    "depth": 31.0,
    "PO4": 1.21,
    "SiOH4": 21.89,
    "NO3_NO2": 14.64,
    "NO2": 0.02,
    "NH4": 0.01,
    "NO3": 14.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1344, 60.1309] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "HE11",
    "water_depth": 215,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2258",
    "depth": 41.0,
    "PO4": 1.24,
    "SiOH4": 21.95,
    "NO3_NO2": 14.86,
    "NO2": 0.02,
    "NH4": 0.02,
    "NO3": 14.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1344, 60.1309] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "HE11",
    "water_depth": 215,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2258",
    "depth": 49.0,
    "PO4": 1.24,
    "SiOH4": 22.01,
    "NO3_NO2": 15.14,
    "NO2": 0.02,
    "NH4": 0.02,
    "NO3": 15.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1344, 60.1309] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "HE11",
    "water_depth": 215,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2258",
    "depth": 78.0,
    "PO4": 1.25,
    "SiOH4": 22.44,
    "NO3_NO2": 15.47,
    "NO2": 0.02,
    "NH4": 0.0,
    "NO3": 15.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1344, 60.1309] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "HE11",
    "water_depth": 215,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2258",
    "depth": 103.0,
    "PO4": 1.31,
    "SiOH4": 23.18,
    "NO3_NO2": 16.08,
    "NO2": 0.05,
    "NH4": 0.0,
    "NO3": 16.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1344, 60.1309] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "HE11",
    "water_depth": 215,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2258",
    "depth": 176.0,
    "PO4": 1.78,
    "SiOH4": 32.78,
    "NO3_NO2": 23.52,
    "NO2": 0.05,
    "NH4": 0.04,
    "NO3": 23.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1344, 60.1309] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 57,
    "stn_id": "HE11",
    "water_depth": 215,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2258",
    "depth": 212.0,
    "PO4": 1.9,
    "SiOH4": 35.06,
    "NO3_NO2": 25.62,
    "NO2": 0.07,
    "NH4": 0.07,
    "NO3": 25.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0496, 60.1107] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 58,
    "stn_id": "HE10",
    "water_depth": 276,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2340",
    "depth": 3.0,
    "PO4": 1.16,
    "SiOH4": 21.31,
    "NO3_NO2": 14.72,
    "NO2": 0.02,
    "NH4": 0.12,
    "NO3": 14.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0496, 60.1107] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 58,
    "stn_id": "HE10",
    "water_depth": 276,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2340",
    "depth": 9.0,
    "PO4": 1.2,
    "SiOH4": 21.24,
    "NO3_NO2": 14.64,
    "NO2": 0.02,
    "NH4": 0.05,
    "NO3": 14.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0496, 60.1107] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 58,
    "stn_id": "HE10",
    "water_depth": 276,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2340",
    "depth": 19.0,
    "PO4": 1.21,
    "SiOH4": 21.16,
    "NO3_NO2": 15.13,
    "NO2": 0.02,
    "NH4": 0.01,
    "NO3": 15.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0496, 60.1107] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 58,
    "stn_id": "HE10",
    "water_depth": 276,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2340",
    "depth": 27.0,
    "PO4": 1.21,
    "SiOH4": 21.09,
    "NO3_NO2": 14.61,
    "NO2": 0.01,
    "NH4": 0.0,
    "NO3": 14.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0496, 60.1107] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 58,
    "stn_id": "HE10",
    "water_depth": 276,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2340",
    "depth": 41.0,
    "PO4": 1.24,
    "SiOH4": 21.18,
    "NO3_NO2": 14.92,
    "NO2": 0.01,
    "NH4": 0.0,
    "NO3": 14.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0496, 60.1107] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 58,
    "stn_id": "HE10",
    "water_depth": 276,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2340",
    "depth": 49.0,
    "PO4": 1.24,
    "SiOH4": 21.37,
    "NO3_NO2": 15.13,
    "NO2": 0.01,
    "NH4": 0.02,
    "NO3": 15.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0496, 60.1107] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 58,
    "stn_id": "HE10",
    "water_depth": 276,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2340",
    "depth": 77.0,
    "PO4": 1.25,
    "SiOH4": 21.3,
    "NO3_NO2": 15.39,
    "NO2": 0.01,
    "NH4": 0.24,
    "NO3": 15.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0496, 60.1107] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 58,
    "stn_id": "HE10",
    "water_depth": 276,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2340",
    "depth": 100.0,
    "PO4": 1.31,
    "SiOH4": 21.49,
    "NO3_NO2": 15.76,
    "NO2": 0.0,
    "NH4": 0.36,
    "NO3": 15.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0496, 60.1107] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 58,
    "stn_id": "HE10",
    "water_depth": 276,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2340",
    "depth": 152.0,
    "PO4": 1.66,
    "SiOH4": 28.73,
    "NO3_NO2": 21.34,
    "NO2": 0.0,
    "NH4": 0.17,
    "NO3": 21.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0496, 60.1107] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 58,
    "stn_id": "HE10",
    "water_depth": 276,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2340",
    "depth": 202.0,
    "PO4": 1.96,
    "SiOH4": 35.33,
    "NO3_NO2": 26.37,
    "NO2": 0.0,
    "NH4": 0.16,
    "NO3": 26.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0496, 60.1107] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 58,
    "stn_id": "HE10",
    "water_depth": 276,
    "month_gmt": "12",
    "day_gmt": "04",
    "time_gmt": "2340",
    "depth": 276.0,
    "PO4": 2.16,
    "SiOH4": 40.29,
    "NO3_NO2": 29.46,
    "NO2": 0.05,
    "NH4": 0.31,
    "NO3": 29.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.962, 60.0944] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "HE9",
    "water_depth": 148,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0028",
    "depth": 3.0,
    "PO4": 1.23,
    "SiOH4": 22.26,
    "NO3_NO2": 15.35,
    "NO2": 0.0,
    "NH4": 0.31,
    "NO3": 15.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.962, 60.0944] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "HE9",
    "water_depth": 148,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0028",
    "depth": 9.0,
    "PO4": 1.25,
    "SiOH4": 22.3,
    "NO3_NO2": 15.5,
    "NO2": 0.02,
    "NH4": 0.21,
    "NO3": 15.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.962, 60.0944] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "HE9",
    "water_depth": 148,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0028",
    "depth": 20.0,
    "PO4": 1.28,
    "SiOH4": 22.28,
    "NO3_NO2": 15.43,
    "NO2": 0.02,
    "NH4": 0.14,
    "NO3": 15.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.962, 60.0944] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "HE9",
    "water_depth": 148,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0028",
    "depth": 33.0,
    "PO4": 1.11,
    "SiOH4": 22.2,
    "NO3_NO2": 15.41,
    "NO2": 0.01,
    "NH4": 0.1,
    "NO3": 15.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.962, 60.0944] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "HE9",
    "water_depth": 148,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0028",
    "depth": 40.0,
    "PO4": 1.13,
    "SiOH4": 21.97,
    "NO3_NO2": 15.34,
    "NO2": 0.01,
    "NH4": 0.06,
    "NO3": 15.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.962, 60.0944] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "HE9",
    "water_depth": 148,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0028",
    "depth": 47.0,
    "PO4": 1.09,
    "SiOH4": 21.9,
    "NO3_NO2": 15.32,
    "NO2": 0.01,
    "NH4": 0.09,
    "NO3": 15.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.962, 60.0944] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "HE9",
    "water_depth": 148,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0028",
    "depth": 76.0,
    "PO4": 1.07,
    "SiOH4": 21.62,
    "NO3_NO2": 15.25,
    "NO2": 0.01,
    "NH4": 0.05,
    "NO3": 15.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.962, 60.0944] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "HE9",
    "water_depth": 148,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0028",
    "depth": 105.0,
    "PO4": 1.02,
    "SiOH4": 21.28,
    "NO3_NO2": 15.06,
    "NO2": 0.03,
    "NH4": 0.14,
    "NO3": 15.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.962, 60.0944] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 59,
    "stn_id": "HE9",
    "water_depth": 148,
    "month_gmt": "12",
    "day_gmt": "05",
    "time_gmt": "0028",
    "depth": 143.0,
    "PO4": 1.01,
    "SiOH4": 21.37,
    "NO3_NO2": 15.1,
    "NO2": 0.03,
    "NH4": 0.17,
    "NO3": 15.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6081, 60.2165] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 65,
    "stn_id": "HE1",
    "water_depth": 80,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0852",
    "depth": 2.0,
    "PO4": 1.38,
    "SiOH4": 23.67,
    "NO3_NO2": 15.29,
    "NO2": 0.1,
    "NH4": 0.95,
    "NO3": 15.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6081, 60.2165] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 65,
    "stn_id": "HE1",
    "water_depth": 80,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0852",
    "depth": 11.0,
    "PO4": 1.4,
    "SiOH4": 23.69,
    "NO3_NO2": 15.28,
    "NO2": 0.14,
    "NH4": 1.13,
    "NO3": 15.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6081, 60.2165] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 65,
    "stn_id": "HE1",
    "water_depth": 80,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0852",
    "depth": 20.0,
    "PO4": 1.39,
    "SiOH4": 23.93,
    "NO3_NO2": 15.21,
    "NO2": 0.13,
    "NH4": 1.18,
    "NO3": 15.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6081, 60.2165] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 65,
    "stn_id": "HE1",
    "water_depth": 80,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0852",
    "depth": 31.0,
    "PO4": 1.42,
    "SiOH4": 23.6,
    "NO3_NO2": 15.2,
    "NO2": 0.15,
    "NH4": 1.2,
    "NO3": 15.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6081, 60.2165] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 65,
    "stn_id": "HE1",
    "water_depth": 80,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0852",
    "depth": 43.0,
    "PO4": 1.46,
    "SiOH4": 23.62,
    "NO3_NO2": 15.25,
    "NO2": 0.17,
    "NH4": 0.91,
    "NO3": 15.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6081, 60.2165] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 65,
    "stn_id": "HE1",
    "water_depth": 80,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0852",
    "depth": 52.0,
    "PO4": 1.37,
    "SiOH4": 23.46,
    "NO3_NO2": 15.07,
    "NO2": 0.18,
    "NH4": 0.56,
    "NO3": 14.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6081, 60.2165] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 65,
    "stn_id": "HE1",
    "water_depth": 80,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0852",
    "depth": 78.0,
    "PO4": 1.3,
    "SiOH4": 23.53,
    "NO3_NO2": 15.39,
    "NO2": 0.1,
    "NH4": 0.56,
    "NO3": 15.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6083, 60.18] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 66,
    "stn_id": "HE2",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0920",
    "depth": 2.0,
    "PO4": 1.21,
    "SiOH4": 22.68,
    "NO3_NO2": 14.96,
    "NO2": 0.0,
    "NH4": 0.31,
    "NO3": 14.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6083, 60.18] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 66,
    "stn_id": "HE2",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0920",
    "depth": 13.0,
    "PO4": 1.29,
    "SiOH4": 22.92,
    "NO3_NO2": 15.35,
    "NO2": 0.0,
    "NH4": 0.24,
    "NO3": 15.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6083, 60.18] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 66,
    "stn_id": "HE2",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0920",
    "depth": 23.0,
    "PO4": 1.31,
    "SiOH4": 23.34,
    "NO3_NO2": 15.74,
    "NO2": 0.02,
    "NH4": 0.24,
    "NO3": 15.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6083, 60.18] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 66,
    "stn_id": "HE2",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0920",
    "depth": 34.0,
    "PO4": 1.31,
    "SiOH4": 23.41,
    "NO3_NO2": 15.79,
    "NO2": 0.02,
    "NH4": 0.28,
    "NO3": 15.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6083, 60.18] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 66,
    "stn_id": "HE2",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0920",
    "depth": 40.0,
    "PO4": 1.31,
    "SiOH4": 23.53,
    "NO3_NO2": 15.9,
    "NO2": 0.02,
    "NH4": 0.37,
    "NO3": 15.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6083, 60.18] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 66,
    "stn_id": "HE2",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0920",
    "depth": 51.0,
    "PO4": 1.3,
    "SiOH4": 23.6,
    "NO3_NO2": 15.89,
    "NO2": 0.02,
    "NH4": 0.35,
    "NO3": 15.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6083, 60.18] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 66,
    "stn_id": "HE2",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0920",
    "depth": 75.0,
    "PO4": 1.31,
    "SiOH4": 23.56,
    "NO3_NO2": 15.95,
    "NO2": 0.04,
    "NH4": 0.3,
    "NO3": 15.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6083, 60.18] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 66,
    "stn_id": "HE2",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0920",
    "depth": 103.0,
    "PO4": 1.3,
    "SiOH4": 23.51,
    "NO3_NO2": 15.94,
    "NO2": 0.04,
    "NH4": 0.42,
    "NO3": 15.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6083, 60.18] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 66,
    "stn_id": "HE2",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0920",
    "depth": 148.0,
    "PO4": 1.39,
    "SiOH4": 24.51,
    "NO3_NO2": 16.73,
    "NO2": 0.06,
    "NH4": 0.29,
    "NO3": 16.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6083, 60.18] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 66,
    "stn_id": "HE2",
    "water_depth": 193,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "0920",
    "depth": 194.0,
    "PO4": 1.46,
    "SiOH4": 25.86,
    "NO3_NO2": 17.68,
    "NO2": 0.06,
    "NH4": 0.3,
    "NO3": 17.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6062, 60.1307] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 67,
    "stn_id": "HE3",
    "water_depth": 113,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1000",
    "depth": 12.0,
    "PO4": 1.27,
    "SiOH4": 23.78,
    "NO3_NO2": 15.94,
    "NO2": 0.01,
    "NH4": 0.34,
    "NO3": 15.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6062, 60.1307] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 67,
    "stn_id": "HE3",
    "water_depth": 113,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1000",
    "depth": 22.0,
    "PO4": 1.28,
    "SiOH4": 23.85,
    "NO3_NO2": 15.93,
    "NO2": 0.01,
    "NH4": 0.29,
    "NO3": 15.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6062, 60.1307] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 67,
    "stn_id": "HE3",
    "water_depth": 113,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1000",
    "depth": 30.0,
    "PO4": 1.28,
    "SiOH4": 23.57,
    "NO3_NO2": 15.93,
    "NO2": 0.01,
    "NH4": 0.25,
    "NO3": 15.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6062, 60.1307] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 67,
    "stn_id": "HE3",
    "water_depth": 113,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1000",
    "depth": 42.0,
    "PO4": 1.29,
    "SiOH4": 23.76,
    "NO3_NO2": 15.93,
    "NO2": 0.01,
    "NH4": 0.26,
    "NO3": 15.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6062, 60.1307] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 67,
    "stn_id": "HE3",
    "water_depth": 113,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1000",
    "depth": 50.0,
    "PO4": 1.28,
    "SiOH4": 23.6,
    "NO3_NO2": 16.09,
    "NO2": 0.0,
    "NH4": 0.16,
    "NO3": 16.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6062, 60.1307] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 67,
    "stn_id": "HE3",
    "water_depth": 113,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1000",
    "depth": 74.0,
    "PO4": 1.3,
    "SiOH4": 23.55,
    "NO3_NO2": 15.98,
    "NO2": 0.0,
    "NH4": 0.38,
    "NO3": 15.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6062, 60.1307] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 67,
    "stn_id": "HE3",
    "water_depth": 113,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1000",
    "depth": 112.0,
    "PO4": 1.3,
    "SiOH4": 23.39,
    "NO3_NO2": 15.86,
    "NO2": 0.0,
    "NH4": 0.39,
    "NO3": 15.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6067, 60.0804] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 68,
    "stn_id": "HE4",
    "water_depth": 115,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1039",
    "depth": 3.0,
    "PO4": 1.26,
    "SiOH4": 24.04,
    "NO3_NO2": 15.85,
    "NO2": 0.0,
    "NH4": 0.26,
    "NO3": 15.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6067, 60.0804] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 68,
    "stn_id": "HE4",
    "water_depth": 115,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1039",
    "depth": 10.0,
    "PO4": 1.3,
    "SiOH4": 24.03,
    "NO3_NO2": 15.74,
    "NO2": 0.02,
    "NH4": 0.27,
    "NO3": 15.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6067, 60.0804] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 68,
    "stn_id": "HE4",
    "water_depth": 115,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1039",
    "depth": 20.0,
    "PO4": 1.3,
    "SiOH4": 23.97,
    "NO3_NO2": 15.73,
    "NO2": 0.01,
    "NH4": 0.13,
    "NO3": 15.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6067, 60.0804] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 68,
    "stn_id": "HE4",
    "water_depth": 115,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1039",
    "depth": 31.0,
    "PO4": 1.3,
    "SiOH4": 24.14,
    "NO3_NO2": 15.9,
    "NO2": 0.01,
    "NH4": 0.1,
    "NO3": 15.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6067, 60.0804] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 68,
    "stn_id": "HE4",
    "water_depth": 115,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1039",
    "depth": 39.0,
    "PO4": 1.32,
    "SiOH4": 24.25,
    "NO3_NO2": 15.83,
    "NO2": 0.0,
    "NH4": 0.25,
    "NO3": 15.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6067, 60.0804] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 68,
    "stn_id": "HE4",
    "water_depth": 115,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1039",
    "depth": 50.0,
    "PO4": 1.34,
    "SiOH4": 24.18,
    "NO3_NO2": 15.83,
    "NO2": 0.0,
    "NH4": 0.16,
    "NO3": 15.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6067, 60.0804] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 68,
    "stn_id": "HE4",
    "water_depth": 115,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1039",
    "depth": 73.0,
    "PO4": 1.35,
    "SiOH4": 24.35,
    "NO3_NO2": 15.99,
    "NO2": 0.02,
    "NH4": 0.26,
    "NO3": 15.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6067, 60.0804] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 68,
    "stn_id": "HE4",
    "water_depth": 115,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1039",
    "depth": 113.0,
    "PO4": 1.37,
    "SiOH4": 25.1,
    "NO3_NO2": 15.99,
    "NO2": 0.04,
    "NH4": 0.33,
    "NO3": 15.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6056, 60.0306] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 69,
    "stn_id": "HE5",
    "water_depth": 89,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1120",
    "depth": 4.0,
    "PO4": 1.29,
    "SiOH4": 24.57,
    "NO3_NO2": 15.87,
    "NO2": 0.01,
    "NH4": 0.22,
    "NO3": 15.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6056, 60.0306] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 69,
    "stn_id": "HE5",
    "water_depth": 89,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1120",
    "depth": 11.0,
    "PO4": 1.32,
    "SiOH4": 24.63,
    "NO3_NO2": 15.87,
    "NO2": 0.01,
    "NH4": 0.34,
    "NO3": 15.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6056, 60.0306] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 69,
    "stn_id": "HE5",
    "water_depth": 89,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1120",
    "depth": 30.0,
    "PO4": 1.33,
    "SiOH4": 24.56,
    "NO3_NO2": 15.97,
    "NO2": 0.03,
    "NH4": 0.28,
    "NO3": 15.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6056, 60.0306] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 69,
    "stn_id": "HE5",
    "water_depth": 89,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1120",
    "depth": 44.0,
    "PO4": 1.33,
    "SiOH4": 24.39,
    "NO3_NO2": 15.97,
    "NO2": 0.02,
    "NH4": 0.32,
    "NO3": 15.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6056, 60.0306] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 69,
    "stn_id": "HE5",
    "water_depth": 89,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1120",
    "depth": 50.0,
    "PO4": 1.34,
    "SiOH4": 24.15,
    "NO3_NO2": 16.02,
    "NO2": 0.02,
    "NH4": 0.21,
    "NO3": 16.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6056, 60.0306] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 69,
    "stn_id": "HE5",
    "water_depth": 89,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1120",
    "depth": 85.0,
    "PO4": 1.34,
    "SiOH4": 24.26,
    "NO3_NO2": 15.96,
    "NO2": 0.01,
    "NH4": 0.31,
    "NO3": 15.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7003, 60.0419] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 70,
    "stn_id": "HE6",
    "water_depth": 118,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1158",
    "depth": 2.0,
    "PO4": 1.29,
    "SiOH4": 24.43,
    "NO3_NO2": 15.67,
    "NO2": 0.04,
    "NH4": 0.56,
    "NO3": 15.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7003, 60.0419] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 70,
    "stn_id": "HE6",
    "water_depth": 118,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1158",
    "depth": 9.0,
    "PO4": 1.33,
    "SiOH4": 24.48,
    "NO3_NO2": 15.84,
    "NO2": 0.01,
    "NH4": 0.45,
    "NO3": 15.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7003, 60.0419] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 70,
    "stn_id": "HE6",
    "water_depth": 118,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1158",
    "depth": 20.0,
    "PO4": 1.31,
    "SiOH4": 24.65,
    "NO3_NO2": 15.83,
    "NO2": 0.0,
    "NH4": 0.34,
    "NO3": 15.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7003, 60.0419] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 70,
    "stn_id": "HE6",
    "water_depth": 118,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1158",
    "depth": 31.0,
    "PO4": 1.31,
    "SiOH4": 24.59,
    "NO3_NO2": 16.05,
    "NO2": 0.0,
    "NH4": 0.3,
    "NO3": 16.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7003, 60.0419] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 70,
    "stn_id": "HE6",
    "water_depth": 118,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1158",
    "depth": 40.0,
    "PO4": 1.32,
    "SiOH4": 24.64,
    "NO3_NO2": 16.05,
    "NO2": 0.02,
    "NH4": 0.32,
    "NO3": 16.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7003, 60.0419] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 70,
    "stn_id": "HE6",
    "water_depth": 118,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1158",
    "depth": 49.0,
    "PO4": 1.33,
    "SiOH4": 24.75,
    "NO3_NO2": 16.15,
    "NO2": 0.01,
    "NH4": 0.31,
    "NO3": 16.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7003, 60.0419] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 70,
    "stn_id": "HE6",
    "water_depth": 118,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1158",
    "depth": 76.0,
    "PO4": 1.33,
    "SiOH4": 24.57,
    "NO3_NO2": 15.98,
    "NO2": 0.03,
    "NH4": 0.31,
    "NO3": 15.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7003, 60.0419] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 70,
    "stn_id": "HE6",
    "water_depth": 118,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1158",
    "depth": 120.0,
    "PO4": 1.36,
    "SiOH4": 24.34,
    "NO3_NO2": 15.81,
    "NO2": 0.06,
    "NH4": 0.27,
    "NO3": 15.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7897, 60.0567] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 71,
    "stn_id": "HE7",
    "water_depth": 119,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1236",
    "depth": 1.0,
    "PO4": 1.28,
    "SiOH4": 24.2,
    "NO3_NO2": 16.18,
    "NO2": 0.0,
    "NH4": 0.19,
    "NO3": 16.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7897, 60.0567] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 71,
    "stn_id": "HE7",
    "water_depth": 119,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1236",
    "depth": 11.0,
    "PO4": 1.3,
    "SiOH4": 24.28,
    "NO3_NO2": 16.07,
    "NO2": 0.02,
    "NH4": 0.11,
    "NO3": 16.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7897, 60.0567] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 71,
    "stn_id": "HE7",
    "water_depth": 119,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1236",
    "depth": 21.0,
    "PO4": 1.32,
    "SiOH4": 24.41,
    "NO3_NO2": 16.12,
    "NO2": 0.02,
    "NH4": 0.24,
    "NO3": 16.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7897, 60.0567] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 71,
    "stn_id": "HE7",
    "water_depth": 119,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1236",
    "depth": 30.0,
    "PO4": 1.31,
    "SiOH4": 24.37,
    "NO3_NO2": 16.11,
    "NO2": 0.02,
    "NH4": 0.14,
    "NO3": 16.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7897, 60.0567] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 71,
    "stn_id": "HE7",
    "water_depth": 119,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1236",
    "depth": 42.0,
    "PO4": 1.33,
    "SiOH4": 24.1,
    "NO3_NO2": 16.22,
    "NO2": 0.02,
    "NH4": 0.09,
    "NO3": 16.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7897, 60.0567] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 71,
    "stn_id": "HE7",
    "water_depth": 119,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1236",
    "depth": 51.0,
    "PO4": 1.31,
    "SiOH4": 24.3,
    "NO3_NO2": 16.16,
    "NO2": 0.02,
    "NH4": 0.22,
    "NO3": 16.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7897, 60.0567] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 71,
    "stn_id": "HE7",
    "water_depth": 119,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1236",
    "depth": 76.0,
    "PO4": 1.33,
    "SiOH4": 24.2,
    "NO3_NO2": 16.15,
    "NO2": 0.02,
    "NH4": 0.33,
    "NO3": 16.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7897, 60.0567] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 71,
    "stn_id": "HE7",
    "water_depth": 119,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1236",
    "depth": 118.0,
    "PO4": 1.34,
    "SiOH4": 23.99,
    "NO3_NO2": 16.15,
    "NO2": 0.01,
    "NH4": 0.25,
    "NO3": 16.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8744, 60.075] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "HE8",
    "water_depth": 104,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1314",
    "depth": 2.0,
    "PO4": 1.27,
    "SiOH4": 24.01,
    "NO3_NO2": 15.69,
    "NO2": 0.01,
    "NH4": 0.2,
    "NO3": 15.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8744, 60.075] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "HE8",
    "water_depth": 104,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1314",
    "depth": 10.0,
    "PO4": 1.3,
    "SiOH4": 23.92,
    "NO3_NO2": 15.8,
    "NO2": 0.01,
    "NH4": 0.17,
    "NO3": 15.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8744, 60.075] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "HE8",
    "water_depth": 104,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1314",
    "depth": 19.0,
    "PO4": 1.3,
    "SiOH4": 23.88,
    "NO3_NO2": 15.74,
    "NO2": 0.01,
    "NH4": 0.49,
    "NO3": 15.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8744, 60.075] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "HE8",
    "water_depth": 104,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1314",
    "depth": 30.0,
    "PO4": 1.3,
    "SiOH4": 23.73,
    "NO3_NO2": 15.84,
    "NO2": 0.01,
    "NH4": 0.18,
    "NO3": 15.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8744, 60.075] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "HE8",
    "water_depth": 104,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1314",
    "depth": 41.0,
    "PO4": 1.29,
    "SiOH4": 23.8,
    "NO3_NO2": 15.72,
    "NO2": 0.01,
    "NH4": 0.18,
    "NO3": 15.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8744, 60.075] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "HE8",
    "water_depth": 104,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1314",
    "depth": 50.0,
    "PO4": 1.33,
    "SiOH4": 23.71,
    "NO3_NO2": 15.78,
    "NO2": 0.03,
    "NH4": 0.2,
    "NO3": 15.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8744, 60.075] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "HE8",
    "water_depth": 104,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1314",
    "depth": 76.0,
    "PO4": 1.35,
    "SiOH4": 24.08,
    "NO3_NO2": 15.88,
    "NO2": 0.03,
    "NH4": 0.28,
    "NO3": 15.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8744, 60.075] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 72,
    "stn_id": "HE8",
    "water_depth": 104,
    "month_gmt": "12",
    "day_gmt": "06",
    "time_gmt": "1314",
    "depth": 104.0,
    "PO4": 1.42,
    "SiOH4": 24.56,
    "NO3_NO2": 16.27,
    "NO2": 0.05,
    "NH4": 0.44,
    "NO3": 16.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0495, 59.3983] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 91,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "1837",
    "depth": 3.0,
    "PO4": 1.21,
    "SiOH4": 19.53,
    "NO3_NO2": 14.64,
    "NO2": 0.05,
    "NH4": 0.38,
    "NO3": 14.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0495, 59.3983] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 91,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "1837",
    "depth": 5.0,
    "PO4": 1.29,
    "SiOH4": 18.92,
    "NO3_NO2": 14.5,
    "NO2": 0.08,
    "NH4": 0.4,
    "NO3": 14.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0495, 59.3983] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 91,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "1837",
    "depth": 9.0,
    "PO4": 1.34,
    "SiOH4": 18.84,
    "NO3_NO2": 14.58,
    "NO2": 0.08,
    "NH4": 0.55,
    "NO3": 14.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0495, 59.3983] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 91,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "1837",
    "depth": 17.0,
    "PO4": 1.32,
    "SiOH4": 18.6,
    "NO3_NO2": 14.27,
    "NO2": 0.08,
    "NH4": 0.5,
    "NO3": 14.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0495, 59.3983] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 91,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "1837",
    "depth": 24.0,
    "PO4": 1.32,
    "SiOH4": 18.47,
    "NO3_NO2": 14.41,
    "NO2": 0.1,
    "NH4": 0.48,
    "NO3": 14.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0495, 59.3983] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 91,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "12",
    "day_gmt": "07",
    "time_gmt": "1837",
    "depth": 36.0,
    "PO4": 1.35,
    "SiOH4": 18.44,
    "NO3_NO2": 14.55,
    "NO2": 0.11,
    "NH4": 0.45,
    "NO3": 14.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.706, 59.4088] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 101,
    "stn_id": "RI5",
    "water_depth": 102,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "1009",
    "depth": 2.0,
    "PO4": 1.34,
    "SiOH4": 20.21,
    "NO3_NO2": 15.08,
    "NO2": 0.01,
    "NH4": 0.65,
    "NO3": 15.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.706, 59.4088] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 101,
    "stn_id": "RI5",
    "water_depth": 102,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "1009",
    "depth": 26.0,
    "PO4": 1.34,
    "SiOH4": 20.08,
    "NO3_NO2": 15.22,
    "NO2": 0.01,
    "NH4": 0.55,
    "NO3": 15.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.706, 59.4088] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 101,
    "stn_id": "RI5",
    "water_depth": 102,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "1009",
    "depth": 50.0,
    "PO4": 1.34,
    "SiOH4": 20.26,
    "NO3_NO2": 15.02,
    "NO2": 0.01,
    "NH4": 0.73,
    "NO3": 15.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.706, 59.4088] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 101,
    "stn_id": "RI5",
    "water_depth": 102,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "1009",
    "depth": 75.0,
    "PO4": 1.34,
    "SiOH4": 20.24,
    "NO3_NO2": 15.49,
    "NO2": 0.04,
    "NH4": 0.45,
    "NO3": 15.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.706, 59.4088] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 101,
    "stn_id": "RI5",
    "water_depth": 102,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "1009",
    "depth": 102.0,
    "PO4": 1.5,
    "SiOH4": 22.27,
    "NO3_NO2": 17.93,
    "NO2": 0.04,
    "NH4": 0.5,
    "NO3": 17.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8722, 59.4083] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 102,
    "stn_id": "RI4",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "1052",
    "depth": 2.0,
    "PO4": 1.07,
    "SiOH4": 17.27,
    "NO3_NO2": 12.3,
    "NO2": 0.02,
    "NH4": 0.3,
    "NO3": 12.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8722, 59.4083] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 102,
    "stn_id": "RI4",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "1052",
    "depth": 26.0,
    "PO4": 1.23,
    "SiOH4": 19.73,
    "NO3_NO2": 13.67,
    "NO2": 0.02,
    "NH4": 0.38,
    "NO3": 13.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8722, 59.4083] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 102,
    "stn_id": "RI4",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "1052",
    "depth": 50.0,
    "PO4": 1.29,
    "SiOH4": 20.07,
    "NO3_NO2": 14.09,
    "NO2": 0.02,
    "NH4": 0.3,
    "NO3": 14.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8722, 59.4083] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 102,
    "stn_id": "RI4",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "1052",
    "depth": 76.0,
    "PO4": 1.3,
    "SiOH4": 20.47,
    "NO3_NO2": 14.23,
    "NO2": 0.02,
    "NH4": 0.23,
    "NO3": 14.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8722, 59.4083] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 102,
    "stn_id": "RI4",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "1052",
    "depth": 101.0,
    "PO4": 1.29,
    "SiOH4": 20.23,
    "NO3_NO2": 14.59,
    "NO2": 0.02,
    "NH4": 0.5,
    "NO3": 14.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8722, 59.4083] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 102,
    "stn_id": "RI4",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "1052",
    "depth": 130.0,
    "PO4": 1.34,
    "SiOH4": 21.42,
    "NO3_NO2": 15.79,
    "NO2": 0.0,
    "NH4": 0.55,
    "NO3": 15.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8722, 59.4083] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 102,
    "stn_id": "RI4",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "1052",
    "depth": 162.0,
    "PO4": 1.55,
    "SiOH4": 25.83,
    "NO3_NO2": 18.11,
    "NO2": 0.0,
    "NH4": 0.45,
    "NO3": 18.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0348, 59.4086] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 103,
    "stn_id": "RI3",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "1135",
    "depth": 2.0,
    "PO4": 1.05,
    "SiOH4": 17.07,
    "NO3_NO2": 12.36,
    "NO2": 0.05,
    "NH4": 0.53,
    "NO3": 12.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0348, 59.4086] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 103,
    "stn_id": "RI3",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "1135",
    "depth": 25.0,
    "PO4": 1.18,
    "SiOH4": 18.26,
    "NO3_NO2": 13.14,
    "NO2": 0.05,
    "NH4": 0.3,
    "NO3": 13.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0348, 59.4086] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 103,
    "stn_id": "RI3",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "1135",
    "depth": 51.0,
    "PO4": 1.27,
    "SiOH4": 19.82,
    "NO3_NO2": 14.53,
    "NO2": 0.02,
    "NH4": 0.18,
    "NO3": 14.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0348, 59.4086] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 103,
    "stn_id": "RI3",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "1135",
    "depth": 76.0,
    "PO4": 1.3,
    "SiOH4": 20.53,
    "NO3_NO2": 14.8,
    "NO2": 0.02,
    "NH4": 0.15,
    "NO3": 14.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0348, 59.4086] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 103,
    "stn_id": "RI3",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "1135",
    "depth": 101.0,
    "PO4": 1.32,
    "SiOH4": 20.61,
    "NO3_NO2": 15.02,
    "NO2": 0.02,
    "NH4": 0.13,
    "NO3": 15.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0348, 59.4086] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 103,
    "stn_id": "RI3",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "1135",
    "depth": 129.0,
    "PO4": 1.39,
    "SiOH4": 21.27,
    "NO3_NO2": 15.69,
    "NO2": 0.02,
    "NH4": 0.15,
    "NO3": 15.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.0348, 59.4086] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 103,
    "stn_id": "RI3",
    "water_depth": 162,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "1135",
    "depth": 165.0,
    "PO4": 1.53,
    "SiOH4": 25.47,
    "NO3_NO2": 18.14,
    "NO2": 0.05,
    "NH4": 0.23,
    "NO3": 18.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1973, 59.4082] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 104,
    "stn_id": "RI2",
    "water_depth": 121,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "1220",
    "depth": 3.0,
    "PO4": 1.05,
    "SiOH4": 17.41,
    "NO3_NO2": 12.15,
    "NO2": 0.05,
    "NH4": 0.13,
    "NO3": 12.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1973, 59.4082] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 104,
    "stn_id": "RI2",
    "water_depth": 121,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "1220",
    "depth": 25.0,
    "PO4": 1.16,
    "SiOH4": 20.13,
    "NO3_NO2": 13.15,
    "NO2": 0.02,
    "NH4": 0.23,
    "NO3": 13.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1973, 59.4082] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 104,
    "stn_id": "RI2",
    "water_depth": 121,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "1220",
    "depth": 50.0,
    "PO4": 1.23,
    "SiOH4": 19.58,
    "NO3_NO2": 13.98,
    "NO2": 0.02,
    "NH4": 0.28,
    "NO3": 13.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1973, 59.4082] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 104,
    "stn_id": "RI2",
    "water_depth": 121,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "1220",
    "depth": 76.0,
    "PO4": 1.26,
    "SiOH4": 20.34,
    "NO3_NO2": 14.2,
    "NO2": 0.0,
    "NH4": 0.68,
    "NO3": 14.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1973, 59.4082] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 104,
    "stn_id": "RI2",
    "water_depth": 121,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "1220",
    "depth": 102.0,
    "PO4": 1.33,
    "SiOH4": 21.27,
    "NO3_NO2": 15.14,
    "NO2": 0.0,
    "NH4": 0.5,
    "NO3": 15.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1973, 59.4082] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 104,
    "stn_id": "RI2",
    "water_depth": 121,
    "month_gmt": "12",
    "day_gmt": "08",
    "time_gmt": "1220",
    "depth": 121.0,
    "PO4": 1.37,
    "SiOH4": 22.67,
    "NO3_NO2": 15.92,
    "NO2": 0.0,
    "NH4": 0.75,
    "NO3": 15.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.537, 59.4066] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 112,
    "stn_id": "RI6",
    "water_depth": 98,
    "month_gmt": "12",
    "day_gmt": "09",
    "time_gmt": "0237",
    "depth": 25.0,
    "PO4": 1.26,
    "SiOH4": 21.05,
    "NO3_NO2": 14.74,
    "NO2": 0.0,
    "NH4": 0.2,
    "NO3": 14.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.537, 59.4066] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 112,
    "stn_id": "RI6",
    "water_depth": 98,
    "month_gmt": "12",
    "day_gmt": "09",
    "time_gmt": "0237",
    "depth": 50.0,
    "PO4": 1.3,
    "SiOH4": 21.45,
    "NO3_NO2": 15.29,
    "NO2": 0.0,
    "NH4": 0.38,
    "NO3": 15.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.537, 59.4066] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 112,
    "stn_id": "RI6",
    "water_depth": 98,
    "month_gmt": "12",
    "day_gmt": "09",
    "time_gmt": "0237",
    "depth": 75.0,
    "PO4": 1.35,
    "SiOH4": 21.53,
    "NO3_NO2": 15.67,
    "NO2": 0.0,
    "NH4": 0.38,
    "NO3": 15.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.537, 59.4066] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 112,
    "stn_id": "RI6",
    "water_depth": 98,
    "month_gmt": "12",
    "day_gmt": "09",
    "time_gmt": "0237",
    "depth": 97.0,
    "PO4": 1.47,
    "SiOH4": 24.14,
    "NO3_NO2": 17.91,
    "NO2": 0.02,
    "NH4": 0.33,
    "NO3": 17.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3759, 59.4074] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 113,
    "stn_id": "RI7",
    "water_depth": 141,
    "month_gmt": "12",
    "day_gmt": "09",
    "time_gmt": "0315",
    "depth": 3.0,
    "PO4": 1.23,
    "SiOH4": 20.94,
    "NO3_NO2": 15.05,
    "NO2": 0.05,
    "NH4": 0.28,
    "NO3": 15.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3759, 59.4074] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 113,
    "stn_id": "RI7",
    "water_depth": 141,
    "month_gmt": "12",
    "day_gmt": "09",
    "time_gmt": "0315",
    "depth": 26.0,
    "PO4": 1.29,
    "SiOH4": 21.44,
    "NO3_NO2": 15.26,
    "NO2": 0.05,
    "NH4": 0.23,
    "NO3": 15.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3759, 59.4074] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 113,
    "stn_id": "RI7",
    "water_depth": 141,
    "month_gmt": "12",
    "day_gmt": "09",
    "time_gmt": "0315",
    "depth": 50.0,
    "PO4": 1.4,
    "SiOH4": 23.0,
    "NO3_NO2": 16.6,
    "NO2": 0.05,
    "NH4": 0.15,
    "NO3": 16.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3759, 59.4074] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 113,
    "stn_id": "RI7",
    "water_depth": 141,
    "month_gmt": "12",
    "day_gmt": "09",
    "time_gmt": "0315",
    "depth": 77.0,
    "PO4": 1.49,
    "SiOH4": 24.24,
    "NO3_NO2": 18.05,
    "NO2": 0.05,
    "NH4": 0.23,
    "NO3": 18.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3759, 59.4074] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 113,
    "stn_id": "RI7",
    "water_depth": 141,
    "month_gmt": "12",
    "day_gmt": "09",
    "time_gmt": "0315",
    "depth": 101.0,
    "PO4": 1.77,
    "SiOH4": 30.61,
    "NO3_NO2": 22.63,
    "NO2": 0.05,
    "NH4": 0.2,
    "NO3": 22.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3759, 59.4074] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 113,
    "stn_id": "RI7",
    "water_depth": 141,
    "month_gmt": "12",
    "day_gmt": "09",
    "time_gmt": "0315",
    "depth": 140.0,
    "PO4": 1.93,
    "SiOH4": 34.08,
    "NO3_NO2": 24.87,
    "NO2": 0.05,
    "NH4": 0.18,
    "NO3": 24.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2116, 59.407] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 114,
    "stn_id": "RI8",
    "water_depth": 186,
    "month_gmt": "12",
    "day_gmt": "09",
    "time_gmt": "0355",
    "depth": 3.0,
    "PO4": 1.25,
    "SiOH4": 21.56,
    "NO3_NO2": 15.17,
    "NO2": 0.02,
    "NH4": 0.45,
    "NO3": 15.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2116, 59.407] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 114,
    "stn_id": "RI8",
    "water_depth": 186,
    "month_gmt": "12",
    "day_gmt": "09",
    "time_gmt": "0355",
    "depth": 26.0,
    "PO4": 1.32,
    "SiOH4": 21.66,
    "NO3_NO2": 15.62,
    "NO2": 0.01,
    "NH4": 0.33,
    "NO3": 15.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2116, 59.407] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 114,
    "stn_id": "RI8",
    "water_depth": 186,
    "month_gmt": "12",
    "day_gmt": "09",
    "time_gmt": "0355",
    "depth": 49.0,
    "PO4": 1.37,
    "SiOH4": 21.92,
    "NO3_NO2": 16.13,
    "NO2": 0.01,
    "NH4": 0.43,
    "NO3": 16.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2116, 59.407] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 114,
    "stn_id": "RI8",
    "water_depth": 186,
    "month_gmt": "12",
    "day_gmt": "09",
    "time_gmt": "0355",
    "depth": 79.0,
    "PO4": 1.46,
    "SiOH4": 22.76,
    "NO3_NO2": 17.47,
    "NO2": 0.01,
    "NH4": 0.2,
    "NO3": 17.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2116, 59.407] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 114,
    "stn_id": "RI8",
    "water_depth": 186,
    "month_gmt": "12",
    "day_gmt": "09",
    "time_gmt": "0355",
    "depth": 97.0,
    "PO4": 1.67,
    "SiOH4": 27.73,
    "NO3_NO2": 20.94,
    "NO2": 0.01,
    "NH4": 0.53,
    "NO3": 20.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2116, 59.407] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 114,
    "stn_id": "RI8",
    "water_depth": 186,
    "month_gmt": "12",
    "day_gmt": "09",
    "time_gmt": "0355",
    "depth": 139.0,
    "PO4": 2.07,
    "SiOH4": 37.77,
    "NO3_NO2": 26.93,
    "NO2": 0.0,
    "NH4": 0.5,
    "NO3": 26.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2116, 59.407] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 114,
    "stn_id": "RI8",
    "water_depth": 186,
    "month_gmt": "12",
    "day_gmt": "09",
    "time_gmt": "0355",
    "depth": 169.0,
    "PO4": 2.18,
    "SiOH4": 40.73,
    "NO3_NO2": 28.05,
    "NO2": 0.02,
    "NH4": 0.45,
    "NO3": 28.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0476, 59.4081] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 115,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "12",
    "day_gmt": "09",
    "time_gmt": "0437",
    "depth": 2.0,
    "PO4": 1.27,
    "SiOH4": 21.11,
    "NO3_NO2": 15.23,
    "NO2": 0.04,
    "NH4": 0.5,
    "NO3": 15.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0476, 59.4081] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 115,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "12",
    "day_gmt": "09",
    "time_gmt": "0437",
    "depth": 26.0,
    "PO4": 1.32,
    "SiOH4": 20.57,
    "NO3_NO2": 15.57,
    "NO2": 0.12,
    "NH4": 0.4,
    "NO3": 15.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0476, 59.4081] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 115,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "12",
    "day_gmt": "09",
    "time_gmt": "0437",
    "depth": 50.0,
    "PO4": 1.43,
    "SiOH4": 23.0,
    "NO3_NO2": 17.19,
    "NO2": 0.04,
    "NH4": 0.3,
    "NO3": 17.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0476, 59.4081] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 115,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "12",
    "day_gmt": "09",
    "time_gmt": "0437",
    "depth": 75.0,
    "PO4": 1.55,
    "SiOH4": 25.64,
    "NO3_NO2": 19.54,
    "NO2": 0.08,
    "NH4": 0.25,
    "NO3": 19.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0476, 59.4081] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 115,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "12",
    "day_gmt": "09",
    "time_gmt": "0437",
    "depth": 98.0,
    "PO4": 1.59,
    "SiOH4": 25.85,
    "NO3_NO2": 20.1,
    "NO2": 0.11,
    "NH4": 0.28,
    "NO3": 19.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0476, 59.4081] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 115,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "12",
    "day_gmt": "09",
    "time_gmt": "0437",
    "depth": 149.0,
    "PO4": 1.82,
    "SiOH4": 30.07,
    "NO3_NO2": 23.4,
    "NO2": 0.08,
    "NH4": 0.25,
    "NO3": 23.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0476, 59.4081] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 115,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "12",
    "day_gmt": "09",
    "time_gmt": "0437",
    "depth": 196.0,
    "PO4": 2.11,
    "SiOH4": 37.15,
    "NO3_NO2": 27.94,
    "NO2": 0.05,
    "NH4": 0.38,
    "NO3": 27.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.4085] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 116,
    "stn_id": "RI15",
    "water_depth": 166,
    "month_gmt": "12",
    "day_gmt": "09",
    "time_gmt": "0524",
    "depth": 1.0,
    "PO4": 1.3,
    "SiOH4": 21.87,
    "NO3_NO2": 15.34,
    "NO2": 0.02,
    "NH4": 0.23,
    "NO3": 15.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.4085] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 116,
    "stn_id": "RI15",
    "water_depth": 166,
    "month_gmt": "12",
    "day_gmt": "09",
    "time_gmt": "0524",
    "depth": 26.0,
    "PO4": 1.3,
    "SiOH4": 21.55,
    "NO3_NO2": 15.62,
    "NO2": 0.02,
    "NH4": 0.35,
    "NO3": 15.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.4085] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 116,
    "stn_id": "RI15",
    "water_depth": 166,
    "month_gmt": "12",
    "day_gmt": "09",
    "time_gmt": "0524",
    "depth": 51.0,
    "PO4": 1.32,
    "SiOH4": 21.33,
    "NO3_NO2": 15.29,
    "NO2": 0.02,
    "NH4": 0.3,
    "NO3": 15.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.4085] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 116,
    "stn_id": "RI15",
    "water_depth": 166,
    "month_gmt": "12",
    "day_gmt": "09",
    "time_gmt": "0524",
    "depth": 75.0,
    "PO4": 1.36,
    "SiOH4": 22.38,
    "NO3_NO2": 16.57,
    "NO2": 0.01,
    "NH4": 0.4,
    "NO3": 16.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.4085] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 116,
    "stn_id": "RI15",
    "water_depth": 166,
    "month_gmt": "12",
    "day_gmt": "09",
    "time_gmt": "0524",
    "depth": 100.0,
    "PO4": 1.41,
    "SiOH4": 22.11,
    "NO3_NO2": 16.85,
    "NO2": 0.01,
    "NH4": 0.25,
    "NO3": 16.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.4085] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 116,
    "stn_id": "RI15",
    "water_depth": 166,
    "month_gmt": "12",
    "day_gmt": "09",
    "time_gmt": "0524",
    "depth": 128.0,
    "PO4": 1.59,
    "SiOH4": 25.55,
    "NO3_NO2": 20.04,
    "NO2": 0.01,
    "NH4": 0.25,
    "NO3": 20.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.4085] },
  "properties": {
    "cruise_id": "HX238",
    "ship": "Alpha_Helix",
    "year": 2000,
    "stn_no": 116,
    "stn_id": "RI15",
    "water_depth": 166,
    "month_gmt": "12",
    "day_gmt": "09",
    "time_gmt": "0524",
    "depth": 164.0,
    "PO4": 1.58,
    "SiOH4": 24.91,
    "NO3_NO2": 19.37,
    "NO2": 0.0,
    "NH4": 0.38,
    "NO3": 19.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3576, 60.025] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 4,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "3",
    "day_gmt": "04",
    "time_gmt": "0224",
    "depth": 2.0,
    "PO4": 1.14,
    "SiOH4": 23.96,
    "NO3_NO2": 12.79,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 12.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3576, 60.025] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 4,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "3",
    "day_gmt": "04",
    "time_gmt": "0224",
    "depth": 11.0,
    "PO4": 1.26,
    "SiOH4": 24.23,
    "NO3_NO2": 12.51,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 12.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3576, 60.025] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 4,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "3",
    "day_gmt": "04",
    "time_gmt": "0224",
    "depth": 20.0,
    "PO4": 1.32,
    "SiOH4": 24.67,
    "NO3_NO2": 12.74,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 12.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3576, 60.025] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 4,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "3",
    "day_gmt": "04",
    "time_gmt": "0224",
    "depth": 31.0,
    "PO4": 1.37,
    "SiOH4": 25.19,
    "NO3_NO2": 13.24,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 13.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3576, 60.025] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 4,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "3",
    "day_gmt": "04",
    "time_gmt": "0224",
    "depth": 40.0,
    "PO4": 1.39,
    "SiOH4": 25.03,
    "NO3_NO2": 13.24,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 13.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3576, 60.025] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 4,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "3",
    "day_gmt": "04",
    "time_gmt": "0224",
    "depth": 52.0,
    "PO4": 1.39,
    "SiOH4": 24.96,
    "NO3_NO2": 13.64,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 13.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3576, 60.025] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 4,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "3",
    "day_gmt": "04",
    "time_gmt": "0224",
    "depth": 77.0,
    "PO4": 1.39,
    "SiOH4": 24.88,
    "NO3_NO2": 14.04,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 14.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3576, 60.025] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 4,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "3",
    "day_gmt": "04",
    "time_gmt": "0224",
    "depth": 102.0,
    "PO4": 1.46,
    "SiOH4": 25.49,
    "NO3_NO2": 14.15,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 14.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3576, 60.025] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 4,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "3",
    "day_gmt": "04",
    "time_gmt": "0224",
    "depth": 152.0,
    "PO4": 1.54,
    "SiOH4": 27.04,
    "NO3_NO2": 15.85,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 15.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3576, 60.025] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 4,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "3",
    "day_gmt": "04",
    "time_gmt": "0224",
    "depth": 203.0,
    "PO4": 1.64,
    "SiOH4": 29.61,
    "NO3_NO2": 16.7,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 16.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3576, 60.025] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 4,
    "stn_id": "RES2.5",
    "water_depth": 295,
    "month_gmt": "3",
    "day_gmt": "04",
    "time_gmt": "0224",
    "depth": 291.0,
    "PO4": 2.09,
    "SiOH4": 37.46,
    "NO3_NO2": 19.87,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 19.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4651, 59.844] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 5,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "3",
    "day_gmt": "04",
    "time_gmt": "0415",
    "depth": 2.0,
    "PO4": 1.35,
    "SiOH4": 24.77,
    "NO3_NO2": 13.75,
    "NO2": 0.04,
    "NH4": 0.14,
    "NO3": 13.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4651, 59.844] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 5,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "3",
    "day_gmt": "04",
    "time_gmt": "0415",
    "depth": 11.0,
    "PO4": 1.36,
    "SiOH4": 24.78,
    "NO3_NO2": 13.24,
    "NO2": 0.04,
    "NH4": 0.18,
    "NO3": 13.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4651, 59.844] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 5,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "3",
    "day_gmt": "04",
    "time_gmt": "0415",
    "depth": 21.0,
    "PO4": 1.41,
    "SiOH4": 25.14,
    "NO3_NO2": 13.24,
    "NO2": 0.03,
    "NH4": 0.0,
    "NO3": 13.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4651, 59.844] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 5,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "3",
    "day_gmt": "04",
    "time_gmt": "0415",
    "depth": 30.0,
    "PO4": 1.41,
    "SiOH4": 25.83,
    "NO3_NO2": 13.87,
    "NO2": 0.02,
    "NH4": 0.01,
    "NO3": 13.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4651, 59.844] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 5,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "3",
    "day_gmt": "04",
    "time_gmt": "0415",
    "depth": 40.0,
    "PO4": 1.46,
    "SiOH4": 26.87,
    "NO3_NO2": 14.26,
    "NO2": 0.02,
    "NH4": 0.02,
    "NO3": 14.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4651, 59.844] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 5,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "3",
    "day_gmt": "04",
    "time_gmt": "0415",
    "depth": 52.0,
    "PO4": 1.48,
    "SiOH4": 27.56,
    "NO3_NO2": 14.72,
    "NO2": 0.01,
    "NH4": 0.0,
    "NO3": 14.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4651, 59.844] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 5,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "3",
    "day_gmt": "04",
    "time_gmt": "0415",
    "depth": 76.0,
    "PO4": 1.52,
    "SiOH4": 28.85,
    "NO3_NO2": 15.68,
    "NO2": 0.0,
    "NH4": 0.0,
    "NO3": 15.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4651, 59.844] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 5,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "3",
    "day_gmt": "04",
    "time_gmt": "0415",
    "depth": 100.0,
    "PO4": 1.57,
    "SiOH4": 29.37,
    "NO3_NO2": 15.9,
    "NO2": 0.02,
    "NH4": 0.01,
    "NO3": 15.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4651, 59.844] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 5,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "3",
    "day_gmt": "04",
    "time_gmt": "0415",
    "depth": 149.0,
    "PO4": 1.57,
    "SiOH4": 28.02,
    "NO3_NO2": 15.9,
    "NO2": 0.01,
    "NH4": 0.02,
    "NO3": 15.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4651, 59.844] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 5,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "3",
    "day_gmt": "04",
    "time_gmt": "0415",
    "depth": 198.0,
    "PO4": 1.61,
    "SiOH4": 28.54,
    "NO3_NO2": 16.81,
    "NO2": 0.01,
    "NH4": 0.2,
    "NO3": 16.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4651, 59.844] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 5,
    "stn_id": "GAK1",
    "water_depth": 271,
    "month_gmt": "3",
    "day_gmt": "04",
    "time_gmt": "0415",
    "depth": 266.0,
    "PO4": 1.66,
    "SiOH4": 28.81,
    "NO3_NO2": 17.77,
    "NO2": 0.0,
    "NH4": 0.89,
    "NO3": 17.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4713, 59.8445] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 15,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "3",
    "day_gmt": "04",
    "time_gmt": "1732",
    "depth": 2.0,
    "PO4": 1.31,
    "SiOH4": 26.18,
    "NO3_NO2": 14.15,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 14.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4713, 59.8445] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 15,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "3",
    "day_gmt": "04",
    "time_gmt": "1732",
    "depth": 6.0,
    "PO4": 1.31,
    "SiOH4": 26.62,
    "NO3_NO2": 13.64,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 13.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4713, 59.8445] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 15,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "3",
    "day_gmt": "04",
    "time_gmt": "1732",
    "depth": 11.0,
    "PO4": 1.29,
    "SiOH4": 26.63,
    "NO3_NO2": 13.75,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 13.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4713, 59.8445] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 15,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "3",
    "day_gmt": "04",
    "time_gmt": "1732",
    "depth": 20.0,
    "PO4": 1.29,
    "SiOH4": 26.73,
    "NO3_NO2": 13.58,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 13.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4713, 59.8445] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 15,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "3",
    "day_gmt": "04",
    "time_gmt": "1732",
    "depth": 27.0,
    "PO4": 1.3,
    "SiOH4": 26.82,
    "NO3_NO2": 13.81,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 13.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4713, 59.8445] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 15,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "3",
    "day_gmt": "04",
    "time_gmt": "1732",
    "depth": 42.0,
    "PO4": 1.28,
    "SiOH4": 27.18,
    "NO3_NO2": 13.75,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 13.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9884, 60.278] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 16,
    "stn_id": "KIP2",
    "water_depth": 568,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "0051",
    "depth": 2.0,
    "PO4": 1.03,
    "SiOH4": 21.74,
    "NO3_NO2": 12.79,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 12.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9884, 60.278] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 16,
    "stn_id": "KIP2",
    "water_depth": 568,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "0051",
    "depth": 11.0,
    "PO4": 1.15,
    "SiOH4": 22.49,
    "NO3_NO2": 13.02,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 13.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9884, 60.278] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 16,
    "stn_id": "KIP2",
    "water_depth": 568,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "0051",
    "depth": 20.0,
    "PO4": 1.24,
    "SiOH4": 24.25,
    "NO3_NO2": 14.72,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 14.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9884, 60.278] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 16,
    "stn_id": "KIP2",
    "water_depth": 568,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "0051",
    "depth": 31.0,
    "PO4": 1.31,
    "SiOH4": 24.93,
    "NO3_NO2": 15.57,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 15.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9884, 60.278] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 16,
    "stn_id": "KIP2",
    "water_depth": 568,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "0051",
    "depth": 40.0,
    "PO4": 1.37,
    "SiOH4": 25.61,
    "NO3_NO2": 16.07,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 16.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9884, 60.278] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 16,
    "stn_id": "KIP2",
    "water_depth": 568,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "0051",
    "depth": 50.0,
    "PO4": 1.4,
    "SiOH4": 25.69,
    "NO3_NO2": 16.36,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 16.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9884, 60.278] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 16,
    "stn_id": "KIP2",
    "water_depth": 568,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "0051",
    "depth": 76.0,
    "PO4": 1.46,
    "SiOH4": 26.85,
    "NO3_NO2": 17.15,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 17.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9884, 60.278] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 16,
    "stn_id": "KIP2",
    "water_depth": 568,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "0051",
    "depth": 101.0,
    "PO4": 1.49,
    "SiOH4": 27.46,
    "NO3_NO2": 17.66,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 17.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9884, 60.278] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 16,
    "stn_id": "KIP2",
    "water_depth": 568,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "0051",
    "depth": 251.0,
    "PO4": 1.81,
    "SiOH4": 34.74,
    "NO3_NO2": 22.3,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 22.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9884, 60.278] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 16,
    "stn_id": "KIP2",
    "water_depth": 568,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "0051",
    "depth": 500.0,
    "PO4": 2.0,
    "SiOH4": 39.59,
    "NO3_NO2": 25.47,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 25.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9884, 60.278] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 16,
    "stn_id": "KIP2",
    "water_depth": 568,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "0051",
    "depth": 579.0,
    "PO4": 2.02,
    "SiOH4": 39.73,
    "NO3_NO2": 25.41,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 25.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.993, 60.2762] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 18,
    "stn_id": "KIP2",
    "water_depth": 550,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "1717",
    "depth": 2.0,
    "PO4": 1.11,
    "SiOH4": 22.4,
    "NO3_NO2": 13.3,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 13.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.993, 60.2762] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 18,
    "stn_id": "KIP2",
    "water_depth": 550,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "1717",
    "depth": 7.0,
    "PO4": 1.14,
    "SiOH4": 22.34,
    "NO3_NO2": 13.02,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 12.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.993, 60.2762] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 18,
    "stn_id": "KIP2",
    "water_depth": 550,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "1717",
    "depth": 13.0,
    "PO4": 1.15,
    "SiOH4": 22.29,
    "NO3_NO2": 13.02,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 12.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.993, 60.2762] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 18,
    "stn_id": "KIP2",
    "water_depth": 550,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "1717",
    "depth": 22.0,
    "PO4": 1.19,
    "SiOH4": 22.43,
    "NO3_NO2": 13.24,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 13.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.993, 60.2762] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 18,
    "stn_id": "KIP2",
    "water_depth": 550,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "1717",
    "depth": 31.0,
    "PO4": 1.29,
    "SiOH4": 24.06,
    "NO3_NO2": 15.0,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 14.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.993, 60.2762] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 18,
    "stn_id": "KIP2",
    "water_depth": 550,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "1717",
    "depth": 48.0,
    "PO4": 1.38,
    "SiOH4": 24.0,
    "NO3_NO2": 15.85,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 15.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7019, 60.1912] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "HB1",
    "water_depth": 245,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "1939",
    "depth": 1.0,
    "PO4": 1.23,
    "SiOH4": 22.73,
    "NO3_NO2": 15.45,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 15.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7019, 60.1912] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "HB1",
    "water_depth": 245,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "1939",
    "depth": 10.0,
    "PO4": 1.3,
    "SiOH4": 22.81,
    "NO3_NO2": 15.4,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 15.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7019, 60.1912] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "HB1",
    "water_depth": 245,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "1939",
    "depth": 19.0,
    "PO4": 1.32,
    "SiOH4": 23.09,
    "NO3_NO2": 15.4,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 15.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7019, 60.1912] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "HB1",
    "water_depth": 245,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "1939",
    "depth": 30.0,
    "PO4": 1.34,
    "SiOH4": 22.77,
    "NO3_NO2": 15.73,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 15.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7019, 60.1912] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "HB1",
    "water_depth": 245,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "1939",
    "depth": 44.0,
    "PO4": 1.35,
    "SiOH4": 23.38,
    "NO3_NO2": 15.73,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 15.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7019, 60.1912] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "HB1",
    "water_depth": 245,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "1939",
    "depth": 53.0,
    "PO4": 1.27,
    "SiOH4": 23.87,
    "NO3_NO2": 16.53,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 16.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7019, 60.1912] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "HB1",
    "water_depth": 245,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "1939",
    "depth": 78.0,
    "PO4": 1.35,
    "SiOH4": 24.62,
    "NO3_NO2": 17.15,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 17.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7019, 60.1912] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "HB1",
    "water_depth": 245,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "1939",
    "depth": 95.0,
    "PO4": 1.39,
    "SiOH4": 24.96,
    "NO3_NO2": 17.66,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 17.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7019, 60.1912] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "HB1",
    "water_depth": 245,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "1939",
    "depth": 151.0,
    "PO4": 1.57,
    "SiOH4": 31.36,
    "NO3_NO2": 20.32,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 20.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7019, 60.1912] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "HB1",
    "water_depth": 245,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "1939",
    "depth": 200.0,
    "PO4": 1.74,
    "SiOH4": 33.86,
    "NO3_NO2": 22.07,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 22.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7019, 60.1912] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "HB1",
    "water_depth": 245,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "1939",
    "depth": 226.0,
    "PO4": 1.77,
    "SiOH4": 34.14,
    "NO3_NO2": 22.19,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 22.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6418, 60.1796] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 20,
    "stn_id": "HB2",
    "water_depth": 176,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "2026",
    "depth": 3.0,
    "PO4": 1.26,
    "SiOH4": 26.31,
    "NO3_NO2": 16.92,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 16.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6418, 60.1796] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 20,
    "stn_id": "HB2",
    "water_depth": 176,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "2026",
    "depth": 11.0,
    "PO4": 1.32,
    "SiOH4": 26.35,
    "NO3_NO2": 16.58,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 16.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6418, 60.1796] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 20,
    "stn_id": "HB2",
    "water_depth": 176,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "2026",
    "depth": 22.0,
    "PO4": 1.29,
    "SiOH4": 26.59,
    "NO3_NO2": 16.47,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 16.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6418, 60.1796] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 20,
    "stn_id": "HB2",
    "water_depth": 176,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "2026",
    "depth": 32.0,
    "PO4": 1.33,
    "SiOH4": 28.65,
    "NO3_NO2": 16.7,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 16.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6418, 60.1796] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 20,
    "stn_id": "HB2",
    "water_depth": 176,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "2026",
    "depth": 40.0,
    "PO4": 1.38,
    "SiOH4": 28.7,
    "NO3_NO2": 16.98,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 16.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6418, 60.1796] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 20,
    "stn_id": "HB2",
    "water_depth": 176,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "2026",
    "depth": 50.0,
    "PO4": 1.41,
    "SiOH4": 26.93,
    "NO3_NO2": 17.15,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 17.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6418, 60.1796] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 20,
    "stn_id": "HB2",
    "water_depth": 176,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "2026",
    "depth": 75.0,
    "PO4": 1.46,
    "SiOH4": 27.64,
    "NO3_NO2": 17.83,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 17.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6418, 60.1796] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 20,
    "stn_id": "HB2",
    "water_depth": 176,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "2026",
    "depth": 100.0,
    "PO4": 1.49,
    "SiOH4": 28.09,
    "NO3_NO2": 18.11,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 18.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6418, 60.1796] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 20,
    "stn_id": "HB2",
    "water_depth": 176,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "2026",
    "depth": 152.0,
    "PO4": 1.66,
    "SiOH4": 32.77,
    "NO3_NO2": 20.6,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 20.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6418, 60.1796] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 20,
    "stn_id": "HB2",
    "water_depth": 176,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "2026",
    "depth": 169.0,
    "PO4": 1.62,
    "SiOH4": 32.14,
    "NO3_NO2": 21.17,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 21.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5777, 60.1651] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 21,
    "stn_id": "HB3",
    "water_depth": 87,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "2108",
    "depth": 2.0,
    "PO4": 1.1,
    "SiOH4": 26.33,
    "NO3_NO2": 16.98,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 16.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5777, 60.1651] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 21,
    "stn_id": "HB3",
    "water_depth": 87,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "2108",
    "depth": 10.0,
    "PO4": 1.11,
    "SiOH4": 26.71,
    "NO3_NO2": 16.87,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 16.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5777, 60.1651] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 21,
    "stn_id": "HB3",
    "water_depth": 87,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "2108",
    "depth": 22.0,
    "PO4": 1.06,
    "SiOH4": 26.62,
    "NO3_NO2": 16.81,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 16.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5777, 60.1651] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 21,
    "stn_id": "HB3",
    "water_depth": 87,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "2108",
    "depth": 29.0,
    "PO4": 1.08,
    "SiOH4": 26.73,
    "NO3_NO2": 16.98,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 16.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5777, 60.1651] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 21,
    "stn_id": "HB3",
    "water_depth": 87,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "2108",
    "depth": 38.0,
    "PO4": 1.07,
    "SiOH4": 26.78,
    "NO3_NO2": 17.04,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 17.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5777, 60.1651] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 21,
    "stn_id": "HB3",
    "water_depth": 87,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "2108",
    "depth": 52.0,
    "PO4": 1.13,
    "SiOH4": 26.62,
    "NO3_NO2": 16.92,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 16.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5777, 60.1651] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 21,
    "stn_id": "HB3",
    "water_depth": 87,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "2108",
    "depth": 70.0,
    "PO4": 1.08,
    "SiOH4": 27.87,
    "NO3_NO2": 17.83,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 17.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5777, 60.1651] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 21,
    "stn_id": "HB3",
    "water_depth": 87,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "2108",
    "depth": 82.0,
    "PO4": 1.24,
    "SiOH4": 28.72,
    "NO3_NO2": 18.85,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 18.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5049, 60.1492] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 22,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "2145",
    "depth": 3.0,
    "PO4": 1.12,
    "SiOH4": 26.48,
    "NO3_NO2": 17.09,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 17.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5049, 60.1492] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 22,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "2145",
    "depth": 12.0,
    "PO4": 1.14,
    "SiOH4": 26.66,
    "NO3_NO2": 17.04,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 17.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5049, 60.1492] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 22,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "2145",
    "depth": 21.0,
    "PO4": 1.14,
    "SiOH4": 26.83,
    "NO3_NO2": 17.15,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 17.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5049, 60.1492] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 22,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "2145",
    "depth": 28.0,
    "PO4": 1.09,
    "SiOH4": 26.88,
    "NO3_NO2": 17.32,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 17.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5049, 60.1492] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 22,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "2145",
    "depth": 42.0,
    "PO4": 1.29,
    "SiOH4": 27.53,
    "NO3_NO2": 17.72,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 17.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5049, 60.1492] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 22,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "2145",
    "depth": 51.0,
    "PO4": 1.34,
    "SiOH4": 28.44,
    "NO3_NO2": 18.4,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 18.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5049, 60.1492] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 22,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "2145",
    "depth": 73.0,
    "PO4": 1.5,
    "SiOH4": 31.11,
    "NO3_NO2": 20.32,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 20.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5049, 60.1492] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 22,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "2145",
    "depth": 98.0,
    "PO4": 1.59,
    "SiOH4": 32.77,
    "NO3_NO2": 21.34,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 21.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4479, 60.1336] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 23,
    "stn_id": "HB5",
    "water_depth": 39,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "2211",
    "depth": 2.0,
    "PO4": 1.37,
    "SiOH4": 27.94,
    "NO3_NO2": 15.42,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 15.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4479, 60.1336] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 23,
    "stn_id": "HB5",
    "water_depth": 39,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "2211",
    "depth": 10.0,
    "PO4": 1.51,
    "SiOH4": 27.86,
    "NO3_NO2": 17.04,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 16.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4479, 60.1336] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 23,
    "stn_id": "HB5",
    "water_depth": 39,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "2211",
    "depth": 20.0,
    "PO4": 1.54,
    "SiOH4": 27.3,
    "NO3_NO2": 17.14,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 17.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4479, 60.1336] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 23,
    "stn_id": "HB5",
    "water_depth": 39,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "2211",
    "depth": 30.0,
    "PO4": 1.54,
    "SiOH4": 27.02,
    "NO3_NO2": 17.46,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 17.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4479, 60.1336] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 23,
    "stn_id": "HB5",
    "water_depth": 39,
    "month_gmt": "3",
    "day_gmt": "05",
    "time_gmt": "2211",
    "depth": 37.0,
    "PO4": 1.56,
    "SiOH4": 27.41,
    "NO3_NO2": 17.84,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 17.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9303, 59.9532] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 24,
    "stn_id": "MS1",
    "water_depth": 164,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0000",
    "depth": 2.0,
    "PO4": 1.25,
    "SiOH4": 23.69,
    "NO3_NO2": 15.29,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 15.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9303, 59.9532] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 24,
    "stn_id": "MS1",
    "water_depth": 164,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0000",
    "depth": 9.0,
    "PO4": 1.25,
    "SiOH4": 24.35,
    "NO3_NO2": 15.83,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 15.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9303, 59.9532] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 24,
    "stn_id": "MS1",
    "water_depth": 164,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0000",
    "depth": 20.0,
    "PO4": 1.42,
    "SiOH4": 25.55,
    "NO3_NO2": 17.34,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 17.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9303, 59.9532] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 24,
    "stn_id": "MS1",
    "water_depth": 164,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0000",
    "depth": 30.0,
    "PO4": 1.44,
    "SiOH4": 25.26,
    "NO3_NO2": 17.33,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 17.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9303, 59.9532] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 24,
    "stn_id": "MS1",
    "water_depth": 164,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0000",
    "depth": 40.0,
    "PO4": 1.44,
    "SiOH4": 25.18,
    "NO3_NO2": 17.54,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 17.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9303, 59.9532] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 24,
    "stn_id": "MS1",
    "water_depth": 164,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0000",
    "depth": 50.0,
    "PO4": 1.46,
    "SiOH4": 24.23,
    "NO3_NO2": 17.76,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 17.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9303, 59.9532] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 24,
    "stn_id": "MS1",
    "water_depth": 164,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0000",
    "depth": 76.0,
    "PO4": 1.52,
    "SiOH4": 24.21,
    "NO3_NO2": 18.51,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 18.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9303, 59.9532] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 24,
    "stn_id": "MS1",
    "water_depth": 164,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0000",
    "depth": 98.0,
    "PO4": 1.57,
    "SiOH4": 25.07,
    "NO3_NO2": 19.48,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 19.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9303, 59.9532] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 24,
    "stn_id": "MS1",
    "water_depth": 164,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0000",
    "depth": 151.0,
    "PO4": 1.78,
    "SiOH4": 28.68,
    "NO3_NO2": 21.86,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 21.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9303, 59.9532] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 24,
    "stn_id": "MS1",
    "water_depth": 164,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0000",
    "depth": 158.0,
    "PO4": 1.8,
    "SiOH4": 28.8,
    "NO3_NO2": 22.07,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 22.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8974, 59.9434] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 25,
    "stn_id": "MS2",
    "water_depth": 190,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0032",
    "depth": 2.0,
    "PO4": 1.22,
    "SiOH4": 22.34,
    "NO3_NO2": 15.25,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 15.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8974, 59.9434] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 25,
    "stn_id": "MS2",
    "water_depth": 190,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0032",
    "depth": 9.0,
    "PO4": 1.3,
    "SiOH4": 22.72,
    "NO3_NO2": 15.68,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 15.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8974, 59.9434] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 25,
    "stn_id": "MS2",
    "water_depth": 190,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0032",
    "depth": 20.0,
    "PO4": 1.35,
    "SiOH4": 23.25,
    "NO3_NO2": 16.54,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 16.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8974, 59.9434] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 25,
    "stn_id": "MS2",
    "water_depth": 190,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0032",
    "depth": 30.0,
    "PO4": 1.42,
    "SiOH4": 23.9,
    "NO3_NO2": 17.51,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 17.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8974, 59.9434] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 25,
    "stn_id": "MS2",
    "water_depth": 190,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0032",
    "depth": 39.0,
    "PO4": 1.41,
    "SiOH4": 24.36,
    "NO3_NO2": 17.83,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 17.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8974, 59.9434] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 25,
    "stn_id": "MS2",
    "water_depth": 190,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0032",
    "depth": 52.0,
    "PO4": 1.49,
    "SiOH4": 24.95,
    "NO3_NO2": 17.99,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 17.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8974, 59.9434] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 25,
    "stn_id": "MS2",
    "water_depth": 190,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0032",
    "depth": 76.0,
    "PO4": 1.6,
    "SiOH4": 26.28,
    "NO3_NO2": 19.17,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 19.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8974, 59.9434] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 25,
    "stn_id": "MS2",
    "water_depth": 190,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0032",
    "depth": 98.0,
    "PO4": 1.63,
    "SiOH4": 27.27,
    "NO3_NO2": 19.77,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 19.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8974, 59.9434] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 25,
    "stn_id": "MS2",
    "water_depth": 190,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0032",
    "depth": 149.0,
    "PO4": 1.83,
    "SiOH4": 30.62,
    "NO3_NO2": 22.31,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 22.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8974, 59.9434] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 25,
    "stn_id": "MS2",
    "water_depth": 190,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0032",
    "depth": 184.0,
    "PO4": 1.88,
    "SiOH4": 31.61,
    "NO3_NO2": 22.79,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 22.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8577, 59.9312] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 26,
    "stn_id": "MS3",
    "water_depth": 165,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0100",
    "depth": 2.0,
    "PO4": 1.23,
    "SiOH4": 23.34,
    "NO3_NO2": 15.64,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 15.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8577, 59.9312] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 26,
    "stn_id": "MS3",
    "water_depth": 165,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0100",
    "depth": 9.0,
    "PO4": 1.28,
    "SiOH4": 23.62,
    "NO3_NO2": 15.85,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 15.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8577, 59.9312] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 26,
    "stn_id": "MS3",
    "water_depth": 165,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0100",
    "depth": 20.0,
    "PO4": 1.37,
    "SiOH4": 24.5,
    "NO3_NO2": 16.6,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 16.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8577, 59.9312] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 26,
    "stn_id": "MS3",
    "water_depth": 165,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0100",
    "depth": 30.0,
    "PO4": 1.45,
    "SiOH4": 24.77,
    "NO3_NO2": 17.3,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 17.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8577, 59.9312] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 26,
    "stn_id": "MS3",
    "water_depth": 165,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0100",
    "depth": 40.0,
    "PO4": 1.46,
    "SiOH4": 25.72,
    "NO3_NO2": 17.84,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 17.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8577, 59.9312] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 26,
    "stn_id": "MS3",
    "water_depth": 165,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0100",
    "depth": 51.0,
    "PO4": 1.48,
    "SiOH4": 25.8,
    "NO3_NO2": 17.84,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 17.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8577, 59.9312] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 26,
    "stn_id": "MS3",
    "water_depth": 165,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0100",
    "depth": 76.0,
    "PO4": 1.55,
    "SiOH4": 27.21,
    "NO3_NO2": 18.7,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 18.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8577, 59.9312] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 26,
    "stn_id": "MS3",
    "water_depth": 165,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0100",
    "depth": 98.0,
    "PO4": 1.66,
    "SiOH4": 29.51,
    "NO3_NO2": 20.22,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 20.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8577, 59.9312] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 26,
    "stn_id": "MS3",
    "water_depth": 165,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0100",
    "depth": 148.0,
    "PO4": 1.77,
    "SiOH4": 30.86,
    "NO3_NO2": 21.51,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 21.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8577, 59.9312] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 26,
    "stn_id": "MS3",
    "water_depth": 165,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0100",
    "depth": 159.0,
    "PO4": 1.89,
    "SiOH4": 34.23,
    "NO3_NO2": 23.13,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 23.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8293, 59.9198] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "MS4",
    "water_depth": 108,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0126",
    "depth": 2.0,
    "PO4": 1.33,
    "SiOH4": 25.36,
    "NO3_NO2": 16.74,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 16.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8293, 59.9198] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "MS4",
    "water_depth": 108,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0126",
    "depth": 10.0,
    "PO4": 1.44,
    "SiOH4": 25.7,
    "NO3_NO2": 17.28,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 17.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8293, 59.9198] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "MS4",
    "water_depth": 108,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0126",
    "depth": 20.0,
    "PO4": 1.44,
    "SiOH4": 26.18,
    "NO3_NO2": 17.71,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 17.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8293, 59.9198] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "MS4",
    "water_depth": 108,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0126",
    "depth": 29.0,
    "PO4": 1.45,
    "SiOH4": 26.39,
    "NO3_NO2": 17.93,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 17.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8293, 59.9198] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "MS4",
    "water_depth": 108,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0126",
    "depth": 39.0,
    "PO4": 1.49,
    "SiOH4": 27.47,
    "NO3_NO2": 18.36,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 18.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8293, 59.9198] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "MS4",
    "water_depth": 108,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0126",
    "depth": 50.0,
    "PO4": 1.56,
    "SiOH4": 27.81,
    "NO3_NO2": 18.9,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 18.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8293, 59.9198] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "MS4",
    "water_depth": 108,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0126",
    "depth": 74.0,
    "PO4": 1.61,
    "SiOH4": 28.63,
    "NO3_NO2": 19.6,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 19.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8293, 59.9198] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "MS4",
    "water_depth": 108,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "0126",
    "depth": 96.0,
    "PO4": 1.55,
    "SiOH4": 27.15,
    "NO3_NO2": 18.94,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 18.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0493, 59.4088] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 35,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "1813",
    "depth": 2.0,
    "PO4": 1.44,
    "SiOH4": 25.3,
    "NO3_NO2": 16.84,
    "NO2": 0.0,
    "NH4": 0.17,
    "NO3": 16.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0493, 59.4088] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 35,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "1813",
    "depth": 10.0,
    "PO4": 1.45,
    "SiOH4": 25.46,
    "NO3_NO2": 16.9,
    "NO2": 0.03,
    "NH4": 0.11,
    "NO3": 16.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0493, 59.4088] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 35,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "1813",
    "depth": 21.0,
    "PO4": 1.47,
    "SiOH4": 26.15,
    "NO3_NO2": 17.47,
    "NO2": 0.03,
    "NH4": 0.02,
    "NO3": 17.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0493, 59.4088] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 35,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "1813",
    "depth": 31.0,
    "PO4": 1.49,
    "SiOH4": 26.22,
    "NO3_NO2": 18.15,
    "NO2": 0.03,
    "NH4": 0.02,
    "NO3": 18.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0493, 59.4088] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 35,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "1813",
    "depth": 39.0,
    "PO4": 1.5,
    "SiOH4": 26.3,
    "NO3_NO2": 18.15,
    "NO2": 0.03,
    "NH4": 0.0,
    "NO3": 18.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0493, 59.4088] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 35,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "1813",
    "depth": 50.0,
    "PO4": 1.52,
    "SiOH4": 26.19,
    "NO3_NO2": 18.32,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 18.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0493, 59.4088] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 35,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "1813",
    "depth": 77.0,
    "PO4": 1.53,
    "SiOH4": 25.74,
    "NO3_NO2": 18.78,
    "NO2": 0.03,
    "NH4": 0.27,
    "NO3": 18.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0493, 59.4088] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 35,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "1813",
    "depth": 105.0,
    "PO4": 1.53,
    "SiOH4": 25.9,
    "NO3_NO2": 18.89,
    "NO2": 0.03,
    "NH4": 0.34,
    "NO3": 18.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0493, 59.4088] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 35,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "1813",
    "depth": 126.0,
    "PO4": 1.52,
    "SiOH4": 26.5,
    "NO3_NO2": 19.0,
    "NO2": 0.03,
    "NH4": 0.41,
    "NO3": 18.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0493, 59.4088] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 35,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "1813",
    "depth": 161.0,
    "PO4": 1.69,
    "SiOH4": 31.23,
    "NO3_NO2": 21.62,
    "NO2": 0.03,
    "NH4": 0.25,
    "NO3": 21.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0493, 59.4088] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 35,
    "stn_id": "GAK4",
    "water_depth": 201,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "1813",
    "depth": 196.0,
    "PO4": 1.8,
    "SiOH4": 35.35,
    "NO3_NO2": 23.44,
    "NO2": 0.03,
    "NH4": 0.09,
    "NO3": 23.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0513, 59.4104] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 37,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "1908",
    "depth": 2.0,
    "PO4": 1.3,
    "SiOH4": 29.18,
    "NO3_NO2": 17.18,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 17.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0513, 59.4104] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 37,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "1908",
    "depth": 6.0,
    "PO4": 1.47,
    "SiOH4": 29.61,
    "NO3_NO2": 17.18,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 17.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0513, 59.4104] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 37,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "1908",
    "depth": 10.0,
    "PO4": 1.47,
    "SiOH4": 29.77,
    "NO3_NO2": 17.35,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 17.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0513, 59.4104] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 37,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "1908",
    "depth": 17.0,
    "PO4": 1.39,
    "SiOH4": 29.93,
    "NO3_NO2": 17.53,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 17.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0513, 59.4104] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 37,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "1908",
    "depth": 22.0,
    "PO4": 1.55,
    "SiOH4": 30.71,
    "NO3_NO2": 18.32,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 18.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0513, 59.4104] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 37,
    "stn_id": "GAK4",
    "water_depth": 202,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "1908",
    "depth": 36.0,
    "PO4": 1.43,
    "SiOH4": 29.9,
    "NO3_NO2": 18.49,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 18.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1193, 59.4819] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "GAK3I",
    "water_depth": 207,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2009",
    "depth": 3.0,
    "PO4": null,
    "SiOH4": 26.12,
    "NO3_NO2": 19.51,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 19.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1193, 59.4819] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "GAK3I",
    "water_depth": 207,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2009",
    "depth": 13.0,
    "PO4": 1.5,
    "SiOH4": 26.04,
    "NO3_NO2": 19.5,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 19.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1193, 59.4819] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "GAK3I",
    "water_depth": 207,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2009",
    "depth": 21.0,
    "PO4": 1.48,
    "SiOH4": 25.76,
    "NO3_NO2": 19.5,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 19.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1193, 59.4819] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "GAK3I",
    "water_depth": 207,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2009",
    "depth": 31.0,
    "PO4": 1.48,
    "SiOH4": 25.15,
    "NO3_NO2": 19.43,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 19.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1193, 59.4819] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "GAK3I",
    "water_depth": 207,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2009",
    "depth": 47.0,
    "PO4": 1.48,
    "SiOH4": 24.53,
    "NO3_NO2": 19.07,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 19.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1193, 59.4819] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "GAK3I",
    "water_depth": 207,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2009",
    "depth": 78.0,
    "PO4": 1.46,
    "SiOH4": 22.92,
    "NO3_NO2": 19.18,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 19.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1193, 59.4819] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "GAK3I",
    "water_depth": 207,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2009",
    "depth": 101.0,
    "PO4": 1.48,
    "SiOH4": 22.51,
    "NO3_NO2": 19.12,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 19.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1193, 59.4819] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "GAK3I",
    "water_depth": 207,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2009",
    "depth": 126.0,
    "PO4": 1.5,
    "SiOH4": 22.83,
    "NO3_NO2": 19.35,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 19.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1193, 59.4819] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "GAK3I",
    "water_depth": 207,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2009",
    "depth": 147.0,
    "PO4": 1.53,
    "SiOH4": 23.29,
    "NO3_NO2": 19.99,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 19.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1193, 59.4819] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "GAK3I",
    "water_depth": 207,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2009",
    "depth": 167.0,
    "PO4": 1.66,
    "SiOH4": 26.27,
    "NO3_NO2": 21.75,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 21.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1193, 59.4819] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "GAK3I",
    "water_depth": 207,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2009",
    "depth": 195.0,
    "PO4": 1.64,
    "SiOH4": 27.06,
    "NO3_NO2": 22.33,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 22.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.198, 59.5505] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 39,
    "stn_id": "GAK3",
    "water_depth": 216,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2119",
    "depth": 3.0,
    "PO4": 1.4,
    "SiOH4": 25.31,
    "NO3_NO2": 18.91,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 18.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.198, 59.5505] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 39,
    "stn_id": "GAK3",
    "water_depth": 216,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2119",
    "depth": 12.0,
    "PO4": 1.45,
    "SiOH4": 25.17,
    "NO3_NO2": 19.08,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 19.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.198, 59.5505] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 39,
    "stn_id": "GAK3",
    "water_depth": 216,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2119",
    "depth": 22.0,
    "PO4": 1.45,
    "SiOH4": 25.02,
    "NO3_NO2": 18.95,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 18.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.198, 59.5505] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 39,
    "stn_id": "GAK3",
    "water_depth": 216,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2119",
    "depth": 32.0,
    "PO4": 1.42,
    "SiOH4": 24.88,
    "NO3_NO2": 18.89,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 18.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.198, 59.5505] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 39,
    "stn_id": "GAK3",
    "water_depth": 216,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2119",
    "depth": 40.0,
    "PO4": 1.4,
    "SiOH4": 24.93,
    "NO3_NO2": 18.88,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 18.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.198, 59.5505] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 39,
    "stn_id": "GAK3",
    "water_depth": 216,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2119",
    "depth": 50.0,
    "PO4": 1.44,
    "SiOH4": 24.92,
    "NO3_NO2": 18.87,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 18.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.198, 59.5505] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 39,
    "stn_id": "GAK3",
    "water_depth": 216,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2119",
    "depth": 75.0,
    "PO4": 1.44,
    "SiOH4": 22.31,
    "NO3_NO2": 18.51,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 18.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.198, 59.5505] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 39,
    "stn_id": "GAK3",
    "water_depth": 216,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2119",
    "depth": 101.0,
    "PO4": 1.43,
    "SiOH4": 21.76,
    "NO3_NO2": 18.51,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 18.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.198, 59.5505] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 39,
    "stn_id": "GAK3",
    "water_depth": 216,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2119",
    "depth": 149.0,
    "PO4": 1.46,
    "SiOH4": 22.88,
    "NO3_NO2": 19.21,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 19.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.198, 59.5505] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 39,
    "stn_id": "GAK3",
    "water_depth": 216,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2119",
    "depth": 173.0,
    "PO4": 1.5,
    "SiOH4": 22.54,
    "NO3_NO2": 19.2,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 19.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.198, 59.5505] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 39,
    "stn_id": "GAK3",
    "water_depth": 216,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2119",
    "depth": 209.0,
    "PO4": 1.59,
    "SiOH4": 26.32,
    "NO3_NO2": 21.55,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 21.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2634, 59.6254] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2226",
    "depth": 2.0,
    "PO4": 1.41,
    "SiOH4": 27.56,
    "NO3_NO2": 19.45,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 19.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2634, 59.6254] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2226",
    "depth": 13.0,
    "PO4": 1.4,
    "SiOH4": 27.16,
    "NO3_NO2": 19.58,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 19.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2634, 59.6254] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2226",
    "depth": 22.0,
    "PO4": 1.4,
    "SiOH4": 26.62,
    "NO3_NO2": 19.59,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 19.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2634, 59.6254] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2226",
    "depth": 33.0,
    "PO4": 1.42,
    "SiOH4": 26.48,
    "NO3_NO2": 19.48,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 19.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2634, 59.6254] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2226",
    "depth": 43.0,
    "PO4": 1.41,
    "SiOH4": 26.21,
    "NO3_NO2": 19.48,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 19.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2634, 59.6254] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2226",
    "depth": 52.0,
    "PO4": 1.55,
    "SiOH4": 25.87,
    "NO3_NO2": 19.37,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 19.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2634, 59.6254] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2226",
    "depth": 77.0,
    "PO4": 1.46,
    "SiOH4": 25.6,
    "NO3_NO2": 19.32,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 19.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2634, 59.6254] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2226",
    "depth": 101.0,
    "PO4": 1.52,
    "SiOH4": 24.67,
    "NO3_NO2": 19.5,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 19.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2634, 59.6254] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2226",
    "depth": 126.0,
    "PO4": 1.46,
    "SiOH4": 23.2,
    "NO3_NO2": 19.04,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 19.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2634, 59.6254] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2226",
    "depth": 148.0,
    "PO4": 1.5,
    "SiOH4": 22.79,
    "NO3_NO2": 19.52,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 19.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2634, 59.6254] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2226",
    "depth": 173.0,
    "PO4": 1.51,
    "SiOH4": 22.86,
    "NO3_NO2": 20.06,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 20.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2634, 59.6254] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2226",
    "depth": 211.0,
    "PO4": 1.53,
    "SiOH4": 24.45,
    "NO3_NO2": 20.89,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 20.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3361, 59.6902] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "GAK2",
    "water_depth": 232,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2332",
    "depth": 2.0,
    "PO4": 1.68,
    "SiOH4": 25.54,
    "NO3_NO2": 19.54,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 19.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3361, 59.6902] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "GAK2",
    "water_depth": 232,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2332",
    "depth": 11.0,
    "PO4": 1.67,
    "SiOH4": 25.83,
    "NO3_NO2": 19.54,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 19.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3361, 59.6902] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "GAK2",
    "water_depth": 232,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2332",
    "depth": 21.0,
    "PO4": 1.7,
    "SiOH4": 25.78,
    "NO3_NO2": 19.66,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 19.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3361, 59.6902] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "GAK2",
    "water_depth": 232,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2332",
    "depth": 31.0,
    "PO4": 1.67,
    "SiOH4": 25.94,
    "NO3_NO2": 19.95,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 19.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3361, 59.6902] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "GAK2",
    "water_depth": 232,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2332",
    "depth": 41.0,
    "PO4": 1.66,
    "SiOH4": 26.03,
    "NO3_NO2": 19.95,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 19.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3361, 59.6902] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "GAK2",
    "water_depth": 232,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2332",
    "depth": 52.0,
    "PO4": 1.61,
    "SiOH4": 26.05,
    "NO3_NO2": 20.01,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 20.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3361, 59.6902] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "GAK2",
    "water_depth": 232,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2332",
    "depth": 75.0,
    "PO4": 1.62,
    "SiOH4": 26.47,
    "NO3_NO2": 19.89,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 19.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3361, 59.6902] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "GAK2",
    "water_depth": 232,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2332",
    "depth": 101.0,
    "PO4": 1.54,
    "SiOH4": 25.16,
    "NO3_NO2": 19.48,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 19.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3361, 59.6902] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "GAK2",
    "water_depth": 232,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2332",
    "depth": 149.0,
    "PO4": 1.55,
    "SiOH4": 23.66,
    "NO3_NO2": 19.13,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 19.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3361, 59.6902] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "GAK2",
    "water_depth": 232,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2332",
    "depth": 198.0,
    "PO4": 1.68,
    "SiOH4": 24.87,
    "NO3_NO2": 20.66,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 20.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3361, 59.6902] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "GAK2",
    "water_depth": 232,
    "month_gmt": "3",
    "day_gmt": "06",
    "time_gmt": "2332",
    "depth": 228.0,
    "PO4": 1.81,
    "SiOH4": 27.95,
    "NO3_NO2": 22.66,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 22.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4008, 59.7659] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 42,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "0036",
    "depth": 3.0,
    "PO4": 1.56,
    "SiOH4": 24.69,
    "NO3_NO2": 17.93,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 17.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4008, 59.7659] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 42,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "0036",
    "depth": 14.0,
    "PO4": 1.5,
    "SiOH4": 25.13,
    "NO3_NO2": 18.02,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 18.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4008, 59.7659] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 42,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "0036",
    "depth": 23.0,
    "PO4": 1.53,
    "SiOH4": 25.63,
    "NO3_NO2": 18.54,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 18.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4008, 59.7659] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 42,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "0036",
    "depth": 31.0,
    "PO4": 1.54,
    "SiOH4": 25.88,
    "NO3_NO2": 19.11,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 19.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4008, 59.7659] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 42,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "0036",
    "depth": 43.0,
    "PO4": 1.53,
    "SiOH4": 26.2,
    "NO3_NO2": 19.26,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 19.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4008, 59.7659] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 42,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "0036",
    "depth": 54.0,
    "PO4": 1.53,
    "SiOH4": 26.51,
    "NO3_NO2": 19.36,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 19.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4008, 59.7659] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 42,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "0036",
    "depth": 76.0,
    "PO4": 1.52,
    "SiOH4": 26.18,
    "NO3_NO2": 19.39,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 19.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4008, 59.7659] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 42,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "0036",
    "depth": 104.0,
    "PO4": 1.57,
    "SiOH4": 26.24,
    "NO3_NO2": 19.42,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 19.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4008, 59.7659] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 42,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "0036",
    "depth": 126.0,
    "PO4": 1.6,
    "SiOH4": 26.24,
    "NO3_NO2": 19.63,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 19.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4008, 59.7659] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 42,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "0036",
    "depth": 153.0,
    "PO4": 1.59,
    "SiOH4": 25.71,
    "NO3_NO2": 19.84,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 19.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4008, 59.7659] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 42,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "0036",
    "depth": 198.0,
    "PO4": 1.57,
    "SiOH4": 25.07,
    "NO3_NO2": 19.81,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 19.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4008, 59.7659] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 42,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "0036",
    "depth": 258.0,
    "PO4": 1.69,
    "SiOH4": 26.15,
    "NO3_NO2": 21.29,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 21.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4694, 59.8444] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 43,
    "stn_id": "GAK1",
    "water_depth": 268,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "0133",
    "depth": 2.0,
    "PO4": 1.36,
    "SiOH4": 24.35,
    "NO3_NO2": 17.2,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 17.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4694, 59.8444] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 43,
    "stn_id": "GAK1",
    "water_depth": 268,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "0133",
    "depth": 10.0,
    "PO4": 1.4,
    "SiOH4": 24.85,
    "NO3_NO2": 17.66,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 17.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4694, 59.8444] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 43,
    "stn_id": "GAK1",
    "water_depth": 268,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "0133",
    "depth": 22.0,
    "PO4": 1.46,
    "SiOH4": 24.97,
    "NO3_NO2": 17.81,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 17.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4694, 59.8444] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 43,
    "stn_id": "GAK1",
    "water_depth": 268,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "0133",
    "depth": 31.0,
    "PO4": 1.44,
    "SiOH4": 25.03,
    "NO3_NO2": 18.2,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 18.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4694, 59.8444] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 43,
    "stn_id": "GAK1",
    "water_depth": 268,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "0133",
    "depth": 40.0,
    "PO4": 1.47,
    "SiOH4": 25.28,
    "NO3_NO2": 18.3,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 18.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4694, 59.8444] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 43,
    "stn_id": "GAK1",
    "water_depth": 268,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "0133",
    "depth": 51.0,
    "PO4": 1.48,
    "SiOH4": 25.27,
    "NO3_NO2": 18.45,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 18.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4694, 59.8444] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 43,
    "stn_id": "GAK1",
    "water_depth": 268,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "0133",
    "depth": 75.0,
    "PO4": 1.49,
    "SiOH4": 25.01,
    "NO3_NO2": 18.54,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 18.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4694, 59.8444] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 43,
    "stn_id": "GAK1",
    "water_depth": 268,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "0133",
    "depth": 100.0,
    "PO4": 1.5,
    "SiOH4": 25.33,
    "NO3_NO2": 18.93,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 18.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4694, 59.8444] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 43,
    "stn_id": "GAK1",
    "water_depth": 268,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "0133",
    "depth": 149.0,
    "PO4": 1.56,
    "SiOH4": 25.7,
    "NO3_NO2": 19.69,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 19.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4694, 59.8444] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 43,
    "stn_id": "GAK1",
    "water_depth": 268,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "0133",
    "depth": 197.0,
    "PO4": 1.62,
    "SiOH4": 25.18,
    "NO3_NO2": 19.96,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 19.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4694, 59.8444] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 43,
    "stn_id": "GAK1",
    "water_depth": 268,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "0133",
    "depth": 250.0,
    "PO4": 1.73,
    "SiOH4": 27.42,
    "NO3_NO2": 21.75,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 21.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4694, 59.8444] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 43,
    "stn_id": "GAK1",
    "water_depth": 268,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "0133",
    "depth": 264.0,
    "PO4": 1.65,
    "SiOH4": 26.26,
    "NO3_NO2": 21.54,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 21.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9756, 59.3353] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 44,
    "stn_id": "GAK4I",
    "water_depth": 197,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1651",
    "depth": 4.0,
    "PO4": 1.5,
    "SiOH4": 25.72,
    "NO3_NO2": 17.82,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 17.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9756, 59.3353] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 44,
    "stn_id": "GAK4I",
    "water_depth": 197,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1651",
    "depth": 10.0,
    "PO4": 1.47,
    "SiOH4": 25.73,
    "NO3_NO2": 17.93,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 17.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9756, 59.3353] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 44,
    "stn_id": "GAK4I",
    "water_depth": 197,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1651",
    "depth": 21.0,
    "PO4": 1.5,
    "SiOH4": 25.21,
    "NO3_NO2": 17.98,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 17.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9756, 59.3353] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 44,
    "stn_id": "GAK4I",
    "water_depth": 197,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1651",
    "depth": 30.0,
    "PO4": 1.52,
    "SiOH4": 24.83,
    "NO3_NO2": 18.6,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 18.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9756, 59.3353] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 44,
    "stn_id": "GAK4I",
    "water_depth": 197,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1651",
    "depth": 40.0,
    "PO4": 1.54,
    "SiOH4": 24.57,
    "NO3_NO2": 18.65,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 18.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9756, 59.3353] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 44,
    "stn_id": "GAK4I",
    "water_depth": 197,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1651",
    "depth": 51.0,
    "PO4": 1.5,
    "SiOH4": 24.45,
    "NO3_NO2": 18.75,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 18.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9756, 59.3353] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 44,
    "stn_id": "GAK4I",
    "water_depth": 197,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1651",
    "depth": 77.0,
    "PO4": 1.49,
    "SiOH4": 23.94,
    "NO3_NO2": 18.92,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 18.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9756, 59.3353] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 44,
    "stn_id": "GAK4I",
    "water_depth": 197,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1651",
    "depth": 98.0,
    "PO4": 1.59,
    "SiOH4": 25.21,
    "NO3_NO2": 19.03,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 19.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9756, 59.3353] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 44,
    "stn_id": "GAK4I",
    "water_depth": 197,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1651",
    "depth": 124.0,
    "PO4": 1.69,
    "SiOH4": 25.62,
    "NO3_NO2": 20.27,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 20.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9756, 59.3353] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 44,
    "stn_id": "GAK4I",
    "water_depth": 197,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1651",
    "depth": 152.0,
    "PO4": 1.75,
    "SiOH4": 27.62,
    "NO3_NO2": 22.07,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 22.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9756, 59.3353] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 44,
    "stn_id": "GAK4I",
    "water_depth": 197,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1651",
    "depth": 175.0,
    "PO4": 1.83,
    "SiOH4": 27.77,
    "NO3_NO2": 22.52,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 22.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9756, 59.3353] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 44,
    "stn_id": "GAK4I",
    "water_depth": 197,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1651",
    "depth": 192.0,
    "PO4": 1.78,
    "SiOH4": 28.57,
    "NO3_NO2": 22.91,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 22.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9039, 59.2616] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 45,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1858",
    "depth": 4.0,
    "PO4": 1.49,
    "SiOH4": 25.0,
    "NO3_NO2": 17.8,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 17.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9039, 59.2616] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 45,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1858",
    "depth": 8.0,
    "PO4": 1.52,
    "SiOH4": 25.08,
    "NO3_NO2": 17.97,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 17.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9039, 59.2616] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 45,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1858",
    "depth": 19.0,
    "PO4": 1.56,
    "SiOH4": 24.96,
    "NO3_NO2": 18.24,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 18.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9039, 59.2616] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 45,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1858",
    "depth": 28.0,
    "PO4": 1.53,
    "SiOH4": 24.44,
    "NO3_NO2": 18.35,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 18.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9039, 59.2616] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 45,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1858",
    "depth": 37.0,
    "PO4": 1.53,
    "SiOH4": 24.59,
    "NO3_NO2": 18.35,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 18.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9039, 59.2616] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 45,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1858",
    "depth": 48.0,
    "PO4": 1.52,
    "SiOH4": 25.0,
    "NO3_NO2": 18.45,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 18.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9039, 59.2616] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 45,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1858",
    "depth": 73.0,
    "PO4": 1.59,
    "SiOH4": 24.61,
    "NO3_NO2": 18.62,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 18.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9039, 59.2616] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 45,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1858",
    "depth": 100.0,
    "PO4": 1.57,
    "SiOH4": 24.03,
    "NO3_NO2": 19.06,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 19.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9039, 59.2616] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 45,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1858",
    "depth": 126.0,
    "PO4": 1.65,
    "SiOH4": 25.43,
    "NO3_NO2": 20.3,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 20.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9039, 59.2616] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 45,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1858",
    "depth": 150.0,
    "PO4": 1.74,
    "SiOH4": 28.36,
    "NO3_NO2": 21.77,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 21.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9039, 59.2616] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 45,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1858",
    "depth": 165.0,
    "PO4": 1.77,
    "SiOH4": 29.57,
    "NO3_NO2": 22.44,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 22.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8389, 59.1907] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 46,
    "stn_id": "GAK5I",
    "water_depth": 169,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1958",
    "depth": 4.0,
    "PO4": 1.53,
    "SiOH4": 24.06,
    "NO3_NO2": 19.3,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 19.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8389, 59.1907] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 46,
    "stn_id": "GAK5I",
    "water_depth": 169,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1958",
    "depth": 11.0,
    "PO4": 1.49,
    "SiOH4": 24.23,
    "NO3_NO2": 19.24,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 19.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8389, 59.1907] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 46,
    "stn_id": "GAK5I",
    "water_depth": 169,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1958",
    "depth": 20.0,
    "PO4": 1.46,
    "SiOH4": 23.05,
    "NO3_NO2": 19.17,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 19.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8389, 59.1907] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 46,
    "stn_id": "GAK5I",
    "water_depth": 169,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1958",
    "depth": 30.0,
    "PO4": 1.47,
    "SiOH4": 22.71,
    "NO3_NO2": 19.17,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 19.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8389, 59.1907] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 46,
    "stn_id": "GAK5I",
    "water_depth": 169,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1958",
    "depth": 39.0,
    "PO4": 1.5,
    "SiOH4": 22.11,
    "NO3_NO2": 19.23,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 19.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8389, 59.1907] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 46,
    "stn_id": "GAK5I",
    "water_depth": 169,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1958",
    "depth": 50.0,
    "PO4": 1.55,
    "SiOH4": 21.96,
    "NO3_NO2": 19.29,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 19.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8389, 59.1907] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 46,
    "stn_id": "GAK5I",
    "water_depth": 169,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1958",
    "depth": 75.0,
    "PO4": 1.54,
    "SiOH4": 21.8,
    "NO3_NO2": 19.59,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 19.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8389, 59.1907] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 46,
    "stn_id": "GAK5I",
    "water_depth": 169,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1958",
    "depth": 98.0,
    "PO4": 1.53,
    "SiOH4": 22.1,
    "NO3_NO2": 20.21,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 20.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8389, 59.1907] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 46,
    "stn_id": "GAK5I",
    "water_depth": 169,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1958",
    "depth": 124.0,
    "PO4": 1.52,
    "SiOH4": 21.95,
    "NO3_NO2": 20.51,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 20.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8389, 59.1907] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 46,
    "stn_id": "GAK5I",
    "water_depth": 169,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1958",
    "depth": 151.0,
    "PO4": 1.61,
    "SiOH4": 22.77,
    "NO3_NO2": 20.82,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 20.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8389, 59.1907] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 46,
    "stn_id": "GAK5I",
    "water_depth": 169,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "1958",
    "depth": 165.0,
    "PO4": 1.77,
    "SiOH4": 23.45,
    "NO3_NO2": 21.74,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 21.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7655, 59.1187] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 47,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2103",
    "depth": 3.0,
    "PO4": 1.52,
    "SiOH4": 21.69,
    "NO3_NO2": 18.97,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 18.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7655, 59.1187] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 47,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2103",
    "depth": 10.0,
    "PO4": 1.53,
    "SiOH4": 21.67,
    "NO3_NO2": 19.45,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 19.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7655, 59.1187] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 47,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2103",
    "depth": 20.0,
    "PO4": 1.53,
    "SiOH4": 21.78,
    "NO3_NO2": 18.96,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 18.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7655, 59.1187] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 47,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2103",
    "depth": 29.0,
    "PO4": 1.54,
    "SiOH4": 21.69,
    "NO3_NO2": 19.08,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 19.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7655, 59.1187] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 47,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2103",
    "depth": 40.0,
    "PO4": 1.53,
    "SiOH4": 21.54,
    "NO3_NO2": 19.14,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 19.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7655, 59.1187] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 47,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2103",
    "depth": 49.0,
    "PO4": 1.47,
    "SiOH4": 21.52,
    "NO3_NO2": 19.08,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 19.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7655, 59.1187] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 47,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2103",
    "depth": 71.0,
    "PO4": 1.52,
    "SiOH4": 21.11,
    "NO3_NO2": 19.13,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 19.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7655, 59.1187] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 47,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2103",
    "depth": 99.0,
    "PO4": 1.48,
    "SiOH4": 20.96,
    "NO3_NO2": 19.13,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 19.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7655, 59.1187] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 47,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2103",
    "depth": 123.0,
    "PO4": 1.6,
    "SiOH4": 21.45,
    "NO3_NO2": 20.48,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 20.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7655, 59.1187] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 47,
    "stn_id": "GAK6",
    "water_depth": 151,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2103",
    "depth": 144.0,
    "PO4": 1.59,
    "SiOH4": 22.07,
    "NO3_NO2": 20.91,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 20.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.698, 59.0458] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 48,
    "stn_id": "GAK6I",
    "water_depth": 193,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2209",
    "depth": 3.0,
    "PO4": 1.58,
    "SiOH4": 21.84,
    "NO3_NO2": 21.0,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 20.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.698, 59.0458] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 48,
    "stn_id": "GAK6I",
    "water_depth": 193,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2209",
    "depth": 10.0,
    "PO4": 1.58,
    "SiOH4": 22.0,
    "NO3_NO2": 21.14,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 21.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.698, 59.0458] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 48,
    "stn_id": "GAK6I",
    "water_depth": 193,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2209",
    "depth": 19.0,
    "PO4": 1.63,
    "SiOH4": 21.89,
    "NO3_NO2": 21.42,
    "NO2": 0.06,
    "NH4": null,
    "NO3": 21.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.698, 59.0458] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 48,
    "stn_id": "GAK6I",
    "water_depth": 193,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2209",
    "depth": 30.0,
    "PO4": 1.6,
    "SiOH4": 21.86,
    "NO3_NO2": 21.42,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 21.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.698, 59.0458] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 48,
    "stn_id": "GAK6I",
    "water_depth": 193,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2209",
    "depth": 40.0,
    "PO4": 1.61,
    "SiOH4": 22.14,
    "NO3_NO2": 21.42,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 21.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.698, 59.0458] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 48,
    "stn_id": "GAK6I",
    "water_depth": 193,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2209",
    "depth": 50.0,
    "PO4": 1.62,
    "SiOH4": 21.97,
    "NO3_NO2": 21.63,
    "NO2": 0.09,
    "NH4": null,
    "NO3": 21.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.698, 59.0458] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 48,
    "stn_id": "GAK6I",
    "water_depth": 193,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2209",
    "depth": 75.0,
    "PO4": 1.67,
    "SiOH4": 22.06,
    "NO3_NO2": 22.05,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 21.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.698, 59.0458] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 48,
    "stn_id": "GAK6I",
    "water_depth": 193,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2209",
    "depth": 102.0,
    "PO4": 1.71,
    "SiOH4": 22.34,
    "NO3_NO2": 23.31,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 23.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.698, 59.0458] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 48,
    "stn_id": "GAK6I",
    "water_depth": 193,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2209",
    "depth": 126.0,
    "PO4": 1.81,
    "SiOH4": 25.13,
    "NO3_NO2": 25.55,
    "NO2": 0.09,
    "NH4": null,
    "NO3": 25.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.698, 59.0458] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 48,
    "stn_id": "GAK6I",
    "water_depth": 193,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2209",
    "depth": 148.0,
    "PO4": 1.91,
    "SiOH4": 26.83,
    "NO3_NO2": 27.09,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 26.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.698, 59.0458] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 48,
    "stn_id": "GAK6I",
    "water_depth": 193,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2209",
    "depth": 177.0,
    "PO4": 1.97,
    "SiOH4": 28.01,
    "NO3_NO2": 27.93,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 27.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.698, 59.0458] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 48,
    "stn_id": "GAK6I",
    "water_depth": 193,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2209",
    "depth": 186.0,
    "PO4": 2.0,
    "SiOH4": 29.45,
    "NO3_NO2": 29.26,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 29.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6239, 58.9733] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 49,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2312",
    "depth": 2.0,
    "PO4": 1.56,
    "SiOH4": 21.77,
    "NO3_NO2": 21.77,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 21.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6239, 58.9733] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 49,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2312",
    "depth": 10.0,
    "PO4": 1.57,
    "SiOH4": 22.11,
    "NO3_NO2": 21.91,
    "NO2": 0.09,
    "NH4": null,
    "NO3": 21.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6239, 58.9733] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 49,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2312",
    "depth": 20.0,
    "PO4": 1.62,
    "SiOH4": 22.14,
    "NO3_NO2": 21.98,
    "NO2": 0.12,
    "NH4": null,
    "NO3": 21.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6239, 58.9733] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 49,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2312",
    "depth": 30.0,
    "PO4": 1.63,
    "SiOH4": 22.1,
    "NO3_NO2": 21.91,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 21.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6239, 58.9733] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 49,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2312",
    "depth": 41.0,
    "PO4": 1.61,
    "SiOH4": 22.13,
    "NO3_NO2": 21.7,
    "NO2": 0.09,
    "NH4": null,
    "NO3": 21.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6239, 58.9733] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 49,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2312",
    "depth": 52.0,
    "PO4": 1.64,
    "SiOH4": 21.96,
    "NO3_NO2": 21.77,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 21.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6239, 58.9733] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 49,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2312",
    "depth": 75.0,
    "PO4": 1.6,
    "SiOH4": 21.86,
    "NO3_NO2": 22.19,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 22.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6239, 58.9733] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 49,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2312",
    "depth": 100.0,
    "PO4": 1.67,
    "SiOH4": 22.59,
    "NO3_NO2": 23.03,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 22.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6239, 58.9733] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 49,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2312",
    "depth": 151.0,
    "PO4": 2.1,
    "SiOH4": 32.26,
    "NO3_NO2": 31.01,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 31.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6239, 58.9733] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 49,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2312",
    "depth": 199.0,
    "PO4": 2.38,
    "SiOH4": 38.39,
    "NO3_NO2": 36.05,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 36.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6239, 58.9733] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 49,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "3",
    "day_gmt": "07",
    "time_gmt": "2312",
    "depth": 239.0,
    "PO4": 2.99,
    "SiOH4": null,
    "NO3_NO2": 47.67,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 47.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5574, 58.8817] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 50,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0017",
    "depth": 3.0,
    "PO4": 1.61,
    "SiOH4": 21.77,
    "NO3_NO2": 21.63,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 21.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5574, 58.8817] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 50,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0017",
    "depth": 10.0,
    "PO4": 1.66,
    "SiOH4": 21.8,
    "NO3_NO2": 21.63,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 21.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5574, 58.8817] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 50,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0017",
    "depth": 20.0,
    "PO4": 1.65,
    "SiOH4": 21.82,
    "NO3_NO2": 21.7,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 21.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5574, 58.8817] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 50,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0017",
    "depth": 30.0,
    "PO4": 1.67,
    "SiOH4": 21.97,
    "NO3_NO2": 22.05,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 22.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5574, 58.8817] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 50,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0017",
    "depth": 41.0,
    "PO4": 1.73,
    "SiOH4": 22.64,
    "NO3_NO2": 23.03,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 23.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5574, 58.8817] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 50,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0017",
    "depth": 50.0,
    "PO4": 1.74,
    "SiOH4": 22.47,
    "NO3_NO2": 22.61,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 22.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5574, 58.8817] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 50,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0017",
    "depth": 75.0,
    "PO4": 1.73,
    "SiOH4": 22.17,
    "NO3_NO2": 22.75,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 22.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5574, 58.8817] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 50,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0017",
    "depth": 99.0,
    "PO4": 1.83,
    "SiOH4": 24.12,
    "NO3_NO2": 24.5,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 24.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5574, 58.8817] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 50,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0017",
    "depth": 150.0,
    "PO4": 2.48,
    "SiOH4": 40.41,
    "NO3_NO2": 37.73,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 37.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5574, 58.8817] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 50,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0017",
    "depth": 202.0,
    "PO4": 2.81,
    "SiOH4": 49.11,
    "NO3_NO2": 43.54,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 43.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5574, 58.8817] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 50,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0017",
    "depth": 249.0,
    "PO4": 3.01,
    "SiOH4": 56.84,
    "NO3_NO2": 47.74,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 47.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5574, 58.8817] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 50,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0017",
    "depth": 296.0,
    "PO4": 3.19,
    "SiOH4": 62.72,
    "NO3_NO2": 50.75,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 50.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4904, 58.7926] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0127",
    "depth": 2.0,
    "PO4": 1.6,
    "SiOH4": 21.54,
    "NO3_NO2": 21.7,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 21.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4904, 58.7926] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0127",
    "depth": 10.0,
    "PO4": 1.65,
    "SiOH4": 21.43,
    "NO3_NO2": 21.91,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 21.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4904, 58.7926] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0127",
    "depth": 20.0,
    "PO4": 1.67,
    "SiOH4": 21.52,
    "NO3_NO2": 22.12,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 22.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4904, 58.7926] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0127",
    "depth": 30.0,
    "PO4": 1.68,
    "SiOH4": 21.48,
    "NO3_NO2": 22.33,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 22.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4904, 58.7926] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0127",
    "depth": 40.0,
    "PO4": 1.68,
    "SiOH4": 21.63,
    "NO3_NO2": 22.4,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 22.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4904, 58.7926] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0127",
    "depth": 51.0,
    "PO4": 1.69,
    "SiOH4": 22.29,
    "NO3_NO2": 22.47,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 22.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4904, 58.7926] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0127",
    "depth": 77.0,
    "PO4": 1.69,
    "SiOH4": 22.96,
    "NO3_NO2": 23.03,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 22.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4904, 58.7926] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0127",
    "depth": 100.0,
    "PO4": 1.73,
    "SiOH4": 23.24,
    "NO3_NO2": 23.31,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 23.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4904, 58.7926] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0127",
    "depth": 150.0,
    "PO4": 2.05,
    "SiOH4": 30.59,
    "NO3_NO2": 30.31,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 30.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4904, 58.7926] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0127",
    "depth": 199.0,
    "PO4": 2.82,
    "SiOH4": 50.09,
    "NO3_NO2": 45.57,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 45.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4904, 58.7926] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0127",
    "depth": 288.0,
    "PO4": 3.23,
    "SiOH4": 64.77,
    "NO3_NO2": 51.66,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 51.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4189, 58.7436] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 52,
    "stn_id": "GAK8I",
    "water_depth": 288,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0227",
    "depth": 2.0,
    "PO4": 1.57,
    "SiOH4": 20.39,
    "NO3_NO2": 21.85,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 21.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4189, 58.7436] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 52,
    "stn_id": "GAK8I",
    "water_depth": 288,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0227",
    "depth": 10.0,
    "PO4": 1.6,
    "SiOH4": 20.27,
    "NO3_NO2": 21.85,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 21.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4189, 58.7436] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 52,
    "stn_id": "GAK8I",
    "water_depth": 288,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0227",
    "depth": 19.0,
    "PO4": 1.63,
    "SiOH4": 20.34,
    "NO3_NO2": 21.92,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 21.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4189, 58.7436] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 52,
    "stn_id": "GAK8I",
    "water_depth": 288,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0227",
    "depth": 31.0,
    "PO4": 1.62,
    "SiOH4": 20.41,
    "NO3_NO2": 21.92,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 21.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4189, 58.7436] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 52,
    "stn_id": "GAK8I",
    "water_depth": 288,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0227",
    "depth": 41.0,
    "PO4": 1.62,
    "SiOH4": 20.49,
    "NO3_NO2": 22.0,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 21.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4189, 58.7436] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 52,
    "stn_id": "GAK8I",
    "water_depth": 288,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0227",
    "depth": 51.0,
    "PO4": 1.65,
    "SiOH4": 20.88,
    "NO3_NO2": 22.07,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 22.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4189, 58.7436] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 52,
    "stn_id": "GAK8I",
    "water_depth": 288,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0227",
    "depth": 74.0,
    "PO4": 1.65,
    "SiOH4": 20.89,
    "NO3_NO2": 22.35,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 22.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4189, 58.7436] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 52,
    "stn_id": "GAK8I",
    "water_depth": 288,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0227",
    "depth": 98.0,
    "PO4": 1.76,
    "SiOH4": 22.11,
    "NO3_NO2": 23.82,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 23.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4189, 58.7436] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 52,
    "stn_id": "GAK8I",
    "water_depth": 288,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0227",
    "depth": 149.0,
    "PO4": 2.6,
    "SiOH4": 40.38,
    "NO3_NO2": 40.14,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 40.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4189, 58.7436] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 52,
    "stn_id": "GAK8I",
    "water_depth": 288,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0227",
    "depth": 200.0,
    "PO4": 2.95,
    "SiOH4": 52.79,
    "NO3_NO2": 47.49,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 47.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4189, 58.7436] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 52,
    "stn_id": "GAK8I",
    "water_depth": 288,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0227",
    "depth": 250.0,
    "PO4": 3.12,
    "SiOH4": 57.75,
    "NO3_NO2": 49.45,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 49.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4189, 58.7436] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 52,
    "stn_id": "GAK8I",
    "water_depth": 288,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0227",
    "depth": 283.0,
    "PO4": 3.24,
    "SiOH4": 61.42,
    "NO3_NO2": 51.49,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 51.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.355, 58.677] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "GAK9",
    "water_depth": 275,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0327",
    "depth": 2.0,
    "PO4": 1.59,
    "SiOH4": 20.99,
    "NO3_NO2": 21.46,
    "NO2": 0.1,
    "NH4": 0.16,
    "NO3": 21.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.355, 58.677] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "GAK9",
    "water_depth": 275,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0327",
    "depth": 11.0,
    "PO4": 1.63,
    "SiOH4": 20.94,
    "NO3_NO2": 21.74,
    "NO2": 0.08,
    "NH4": 0.29,
    "NO3": 21.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.355, 58.677] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "GAK9",
    "water_depth": 275,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0327",
    "depth": 20.0,
    "PO4": 1.65,
    "SiOH4": 20.62,
    "NO3_NO2": 21.81,
    "NO2": 0.08,
    "NH4": 0.22,
    "NO3": 21.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.355, 58.677] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "GAK9",
    "water_depth": 275,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0327",
    "depth": 27.0,
    "PO4": 1.62,
    "SiOH4": 20.95,
    "NO3_NO2": 21.89,
    "NO2": 0.08,
    "NH4": 0.19,
    "NO3": 21.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.355, 58.677] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "GAK9",
    "water_depth": 275,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0327",
    "depth": 38.0,
    "PO4": 1.61,
    "SiOH4": 20.96,
    "NO3_NO2": 21.89,
    "NO2": 0.08,
    "NH4": 0.16,
    "NO3": 21.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.355, 58.677] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "GAK9",
    "water_depth": 275,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0327",
    "depth": 51.0,
    "PO4": 1.61,
    "SiOH4": 20.97,
    "NO3_NO2": 22.31,
    "NO2": 0.05,
    "NH4": 0.25,
    "NO3": 22.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.355, 58.677] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "GAK9",
    "water_depth": 275,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0327",
    "depth": 75.0,
    "PO4": 1.69,
    "SiOH4": 22.32,
    "NO3_NO2": 23.64,
    "NO2": 0.05,
    "NH4": 0.19,
    "NO3": 23.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.355, 58.677] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "GAK9",
    "water_depth": 275,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0327",
    "depth": 101.0,
    "PO4": 1.83,
    "SiOH4": 25.8,
    "NO3_NO2": 26.94,
    "NO2": 0.03,
    "NH4": 0.16,
    "NO3": 26.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.355, 58.677] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "GAK9",
    "water_depth": 275,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0327",
    "depth": 151.0,
    "PO4": 2.58,
    "SiOH4": 41.05,
    "NO3_NO2": 40.94,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 40.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.355, 58.677] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "GAK9",
    "water_depth": 275,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0327",
    "depth": 201.0,
    "PO4": 2.92,
    "SiOH4": 51.27,
    "NO3_NO2": 47.24,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 47.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.355, 58.677] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "GAK9",
    "water_depth": 275,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0327",
    "depth": 251.0,
    "PO4": 3.24,
    "SiOH4": 59.28,
    "NO3_NO2": 51.86,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 51.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.355, 58.677] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "GAK9",
    "water_depth": 275,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "0327",
    "depth": 272.0,
    "PO4": 3.24,
    "SiOH4": 60.99,
    "NO3_NO2": 52.08,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 52.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7926, 58.0987] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 54,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1803",
    "depth": 4.0,
    "PO4": 1.61,
    "SiOH4": 23.61,
    "NO3_NO2": 20.1,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 19.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7926, 58.0987] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 54,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1803",
    "depth": 7.0,
    "PO4": 1.64,
    "SiOH4": 23.28,
    "NO3_NO2": 20.15,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 20.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7926, 58.0987] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 54,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1803",
    "depth": 13.0,
    "PO4": 1.58,
    "SiOH4": 23.32,
    "NO3_NO2": 20.21,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 20.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7926, 58.0987] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 54,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1803",
    "depth": 22.0,
    "PO4": 1.66,
    "SiOH4": 22.99,
    "NO3_NO2": 20.32,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 20.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7926, 58.0987] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 54,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1803",
    "depth": 31.0,
    "PO4": 1.61,
    "SiOH4": 22.97,
    "NO3_NO2": 20.26,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 20.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7926, 58.0987] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 54,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1803",
    "depth": 51.0,
    "PO4": 1.62,
    "SiOH4": 23.0,
    "NO3_NO2": 20.54,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 20.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7939, 58.0988] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 56,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1900",
    "depth": 2.0,
    "PO4": 1.56,
    "SiOH4": 23.22,
    "NO3_NO2": 20.54,
    "NO2": 0.08,
    "NH4": 0.19,
    "NO3": 20.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7939, 58.0988] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 56,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1900",
    "depth": 10.0,
    "PO4": 1.6,
    "SiOH4": 23.02,
    "NO3_NO2": 20.59,
    "NO2": 0.08,
    "NH4": 0.25,
    "NO3": 20.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7939, 58.0988] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 56,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1900",
    "depth": 26.0,
    "PO4": 1.64,
    "SiOH4": 23.11,
    "NO3_NO2": 20.59,
    "NO2": 0.08,
    "NH4": 0.32,
    "NO3": 20.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7939, 58.0988] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 56,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1900",
    "depth": 52.0,
    "PO4": 1.67,
    "SiOH4": 23.33,
    "NO3_NO2": 21.2,
    "NO2": 0.08,
    "NH4": 0.45,
    "NO3": 21.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7939, 58.0988] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 56,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1900",
    "depth": 77.0,
    "PO4": 1.76,
    "SiOH4": 25.68,
    "NO3_NO2": 22.79,
    "NO2": 0.08,
    "NH4": 0.32,
    "NO3": 22.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7939, 58.0988] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 56,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1900",
    "depth": 103.0,
    "PO4": 2.24,
    "SiOH4": 37.38,
    "NO3_NO2": 31.02,
    "NO2": 0.0,
    "NH4": 0.45,
    "NO3": 31.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7939, 58.0988] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 56,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1900",
    "depth": 151.0,
    "PO4": 2.74,
    "SiOH4": 53.33,
    "NO3_NO2": 40.25,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 40.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7939, 58.0988] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 56,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1900",
    "depth": 253.0,
    "PO4": 3.3,
    "SiOH4": 79.63,
    "NO3_NO2": 47.83,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 47.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7939, 58.0988] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 56,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1900",
    "depth": 500.0,
    "PO4": 3.43,
    "SiOH4": 104.08,
    "NO3_NO2": 49.25,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 49.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7939, 58.0988] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 56,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1900",
    "depth": 750.0,
    "PO4": 3.52,
    "SiOH4": 126.58,
    "NO3_NO2": 50.13,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 50.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7939, 58.0988] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 56,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1900",
    "depth": 996.0,
    "PO4": 3.52,
    "SiOH4": 140.34,
    "NO3_NO2": 50.24,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 50.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7939, 58.0988] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 56,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "1900",
    "depth": 1518.0,
    "PO4": 3.48,
    "SiOH4": 157.98,
    "NO3_NO2": 49.86,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 49.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9405, 58.2435] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "GAK12",
    "water_depth": 2173,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2137",
    "depth": 20.0,
    "PO4": 1.5,
    "SiOH4": 20.29,
    "NO3_NO2": 20.22,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 20.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9405, 58.2435] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "GAK12",
    "water_depth": 2173,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2137",
    "depth": 31.0,
    "PO4": 1.51,
    "SiOH4": 20.39,
    "NO3_NO2": 20.07,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 20.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9405, 58.2435] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "GAK12",
    "water_depth": 2173,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2137",
    "depth": 41.0,
    "PO4": 1.53,
    "SiOH4": 20.66,
    "NO3_NO2": 20.08,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 20.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9405, 58.2435] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "GAK12",
    "water_depth": 2173,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2137",
    "depth": 50.0,
    "PO4": 1.56,
    "SiOH4": 20.69,
    "NO3_NO2": 20.09,
    "NO2": 0.06,
    "NH4": null,
    "NO3": 20.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9405, 58.2435] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "GAK12",
    "water_depth": 2173,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2137",
    "depth": 75.0,
    "PO4": 1.67,
    "SiOH4": 24.07,
    "NO3_NO2": 23.0,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 22.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9405, 58.2435] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "GAK12",
    "water_depth": 2173,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2137",
    "depth": 100.0,
    "PO4": 2.29,
    "SiOH4": 38.68,
    "NO3_NO2": 33.61,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 33.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9405, 58.2435] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "GAK12",
    "water_depth": 2173,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2137",
    "depth": 150.0,
    "PO4": 2.74,
    "SiOH4": 55.05,
    "NO3_NO2": 41.64,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 41.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9405, 58.2435] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "GAK12",
    "water_depth": 2173,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2137",
    "depth": 254.0,
    "PO4": 3.14,
    "SiOH4": 74.99,
    "NO3_NO2": 46.64,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 46.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9405, 58.2435] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "GAK12",
    "water_depth": 2173,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2137",
    "depth": 502.0,
    "PO4": 3.28,
    "SiOH4": 106.71,
    "NO3_NO2": 49.78,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 49.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9405, 58.2435] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "GAK12",
    "water_depth": 2173,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2137",
    "depth": 750.0,
    "PO4": 3.45,
    "SiOH4": 125.79,
    "NO3_NO2": 50.28,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 50.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9405, 58.2435] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "GAK12",
    "water_depth": 2173,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2137",
    "depth": 999.0,
    "PO4": 3.48,
    "SiOH4": 141.23,
    "NO3_NO2": 50.62,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 50.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9405, 58.2435] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "GAK12",
    "water_depth": 2173,
    "month_gmt": "3",
    "day_gmt": "08",
    "time_gmt": "2137",
    "depth": 1506.0,
    "PO4": 3.44,
    "SiOH4": 162.5,
    "NO3_NO2": 50.25,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 50.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0778, 58.3914] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 58,
    "stn_id": "GAK11",
    "water_depth": 1429,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0018",
    "depth": 3.0,
    "PO4": 1.46,
    "SiOH4": 22.84,
    "NO3_NO2": 20.26,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 20.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0778, 58.3914] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 58,
    "stn_id": "GAK11",
    "water_depth": 1429,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0018",
    "depth": 12.0,
    "PO4": 1.56,
    "SiOH4": 23.09,
    "NO3_NO2": 20.25,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 20.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0778, 58.3914] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 58,
    "stn_id": "GAK11",
    "water_depth": 1429,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0018",
    "depth": 27.0,
    "PO4": 1.54,
    "SiOH4": 22.73,
    "NO3_NO2": 20.25,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 20.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0778, 58.3914] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 58,
    "stn_id": "GAK11",
    "water_depth": 1429,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0018",
    "depth": 51.0,
    "PO4": 1.57,
    "SiOH4": 22.73,
    "NO3_NO2": 20.35,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 20.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0778, 58.3914] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 58,
    "stn_id": "GAK11",
    "water_depth": 1429,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0018",
    "depth": 76.0,
    "PO4": 1.58,
    "SiOH4": 22.8,
    "NO3_NO2": 20.67,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 20.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0778, 58.3914] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 58,
    "stn_id": "GAK11",
    "water_depth": 1429,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0018",
    "depth": 101.0,
    "PO4": 2.16,
    "SiOH4": 38.23,
    "NO3_NO2": 31.65,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 31.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0778, 58.3914] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 58,
    "stn_id": "GAK11",
    "water_depth": 1429,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0018",
    "depth": 150.0,
    "PO4": 2.66,
    "SiOH4": 54.27,
    "NO3_NO2": 40.43,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 40.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0778, 58.3914] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 58,
    "stn_id": "GAK11",
    "water_depth": 1429,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0018",
    "depth": 250.0,
    "PO4": 3.01,
    "SiOH4": 65.29,
    "NO3_NO2": 45.37,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 45.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0778, 58.3914] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 58,
    "stn_id": "GAK11",
    "water_depth": 1429,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0018",
    "depth": 500.0,
    "PO4": 3.35,
    "SiOH4": 95.44,
    "NO3_NO2": 49.21,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 49.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0778, 58.3914] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 58,
    "stn_id": "GAK11",
    "water_depth": 1429,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0018",
    "depth": 750.0,
    "PO4": 3.44,
    "SiOH4": 116.59,
    "NO3_NO2": 50.03,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 50.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0778, 58.3914] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 58,
    "stn_id": "GAK11",
    "water_depth": 1429,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0018",
    "depth": 1000.0,
    "PO4": 3.46,
    "SiOH4": 131.43,
    "NO3_NO2": 50.4,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 50.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0778, 58.3914] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 58,
    "stn_id": "GAK11",
    "water_depth": 1429,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0018",
    "depth": 1406.0,
    "PO4": 3.43,
    "SiOH4": 148.2,
    "NO3_NO2": 49.96,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 49.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2126, 58.5369] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 59,
    "stn_id": "GAK10",
    "water_depth": 1487,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0306",
    "depth": 3.0,
    "PO4": 1.41,
    "SiOH4": 20.58,
    "NO3_NO2": 18.67,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 18.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2126, 58.5369] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 59,
    "stn_id": "GAK10",
    "water_depth": 1487,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0306",
    "depth": 11.0,
    "PO4": 1.46,
    "SiOH4": 20.61,
    "NO3_NO2": 18.67,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 18.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2126, 58.5369] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 59,
    "stn_id": "GAK10",
    "water_depth": 1487,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0306",
    "depth": 26.0,
    "PO4": 1.48,
    "SiOH4": 20.63,
    "NO3_NO2": 18.72,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 18.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2126, 58.5369] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 59,
    "stn_id": "GAK10",
    "water_depth": 1487,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0306",
    "depth": 51.0,
    "PO4": 1.51,
    "SiOH4": 21.57,
    "NO3_NO2": 19.71,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 19.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2126, 58.5369] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 59,
    "stn_id": "GAK10",
    "water_depth": 1487,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0306",
    "depth": 76.0,
    "PO4": 1.59,
    "SiOH4": 22.63,
    "NO3_NO2": 20.76,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 20.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2126, 58.5369] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 59,
    "stn_id": "GAK10",
    "water_depth": 1487,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0306",
    "depth": 100.0,
    "PO4": 1.59,
    "SiOH4": 23.26,
    "NO3_NO2": 21.25,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 21.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2126, 58.5369] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 59,
    "stn_id": "GAK10",
    "water_depth": 1487,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0306",
    "depth": 151.0,
    "PO4": 2.44,
    "SiOH4": 44.79,
    "NO3_NO2": 36.95,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 36.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2126, 58.5369] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 59,
    "stn_id": "GAK10",
    "water_depth": 1487,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0306",
    "depth": 249.0,
    "PO4": 2.88,
    "SiOH4": 60.37,
    "NO3_NO2": 43.38,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 43.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2126, 58.5369] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 59,
    "stn_id": "GAK10",
    "water_depth": 1487,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0306",
    "depth": 500.0,
    "PO4": 3.28,
    "SiOH4": 89.73,
    "NO3_NO2": 48.87,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 48.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2126, 58.5369] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 59,
    "stn_id": "GAK10",
    "water_depth": 1487,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0306",
    "depth": 749.0,
    "PO4": 3.39,
    "SiOH4": 113.64,
    "NO3_NO2": 50.13,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 50.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2126, 58.5369] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 59,
    "stn_id": "GAK10",
    "water_depth": 1487,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "0306",
    "depth": 1011.0,
    "PO4": 3.46,
    "SiOH4": 126.38,
    "NO3_NO2": 50.52,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 50.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3567, 58.6816] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 60,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1939",
    "depth": 3.0,
    "PO4": 1.26,
    "SiOH4": 25.53,
    "NO3_NO2": 13.86,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 13.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3567, 58.6816] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 60,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1939",
    "depth": 11.0,
    "PO4": 1.31,
    "SiOH4": 25.58,
    "NO3_NO2": 13.84,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 13.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3567, 58.6816] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 60,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1939",
    "depth": 21.0,
    "PO4": 1.33,
    "SiOH4": 25.27,
    "NO3_NO2": 13.7,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 13.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3567, 58.6816] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 60,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1939",
    "depth": 31.0,
    "PO4": 1.34,
    "SiOH4": 24.61,
    "NO3_NO2": 13.73,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 13.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3567, 58.6816] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 60,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1939",
    "depth": 43.0,
    "PO4": 1.36,
    "SiOH4": 24.66,
    "NO3_NO2": 13.75,
    "NO2": 0.12,
    "NH4": null,
    "NO3": 13.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3567, 58.6816] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 60,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1939",
    "depth": 52.0,
    "PO4": 1.37,
    "SiOH4": 24.64,
    "NO3_NO2": 13.56,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 13.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3567, 58.6816] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 60,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1939",
    "depth": 77.0,
    "PO4": 1.39,
    "SiOH4": 24.69,
    "NO3_NO2": 13.59,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 13.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3567, 58.6816] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 60,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1939",
    "depth": 99.0,
    "PO4": 1.39,
    "SiOH4": 24.89,
    "NO3_NO2": 13.67,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 13.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3567, 58.6816] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 60,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1939",
    "depth": 148.0,
    "PO4": 1.88,
    "SiOH4": 38.07,
    "NO3_NO2": 19.19,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 19.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3567, 58.6816] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 60,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1939",
    "depth": 200.0,
    "PO4": 2.55,
    "SiOH4": 59.32,
    "NO3_NO2": 27.07,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 27.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3567, 58.6816] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 60,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "1939",
    "depth": 271.0,
    "PO4": 2.87,
    "SiOH4": 62.24,
    "NO3_NO2": 29.84,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 29.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3523, 58.6805] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 61,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "2015",
    "depth": 1.0,
    "PO4": 1.42,
    "SiOH4": 26.59,
    "NO3_NO2": 12.85,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 12.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3523, 58.6805] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 61,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "2015",
    "depth": 7.0,
    "PO4": 1.49,
    "SiOH4": 26.5,
    "NO3_NO2": 12.77,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 12.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3523, 58.6805] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 61,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "2015",
    "depth": 12.0,
    "PO4": 1.5,
    "SiOH4": 25.41,
    "NO3_NO2": 12.57,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 12.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3523, 58.6805] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 61,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "2015",
    "depth": 21.0,
    "PO4": 1.5,
    "SiOH4": 26.53,
    "NO3_NO2": 12.6,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 12.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3523, 58.6805] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 61,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "2015",
    "depth": 29.0,
    "PO4": 1.5,
    "SiOH4": 25.59,
    "NO3_NO2": 12.63,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 12.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3523, 58.6805] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 61,
    "stn_id": "GAK9",
    "water_depth": 280,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "2015",
    "depth": 46.0,
    "PO4": 1.54,
    "SiOH4": 24.85,
    "NO3_NO2": 12.33,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 12.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2785, 58.6121] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "GAK9I",
    "water_depth": 682,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "2348",
    "depth": 3.0,
    "PO4": 1.48,
    "SiOH4": 22.5,
    "NO3_NO2": 8.28,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 8.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2785, 58.6121] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "GAK9I",
    "water_depth": 682,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "2348",
    "depth": 11.0,
    "PO4": 1.5,
    "SiOH4": 22.24,
    "NO3_NO2": 8.4,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 8.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2785, 58.6121] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "GAK9I",
    "water_depth": 682,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "2348",
    "depth": 21.0,
    "PO4": 1.53,
    "SiOH4": 21.55,
    "NO3_NO2": 8.95,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 8.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2785, 58.6121] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "GAK9I",
    "water_depth": 682,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "2348",
    "depth": 29.0,
    "PO4": 1.51,
    "SiOH4": 21.35,
    "NO3_NO2": 8.8,
    "NO2": 0.09,
    "NH4": null,
    "NO3": 8.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2785, 58.6121] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "GAK9I",
    "water_depth": 682,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "2348",
    "depth": 40.0,
    "PO4": 1.51,
    "SiOH4": 22.25,
    "NO3_NO2": 8.78,
    "NO2": 0.13,
    "NH4": null,
    "NO3": 8.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2785, 58.6121] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "GAK9I",
    "water_depth": 682,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "2348",
    "depth": 50.0,
    "PO4": 1.49,
    "SiOH4": 21.68,
    "NO3_NO2": 8.77,
    "NO2": 0.16,
    "NH4": null,
    "NO3": 8.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2785, 58.6121] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "GAK9I",
    "water_depth": 682,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "2348",
    "depth": 74.0,
    "PO4": 1.54,
    "SiOH4": 21.97,
    "NO3_NO2": 8.96,
    "NO2": 0.12,
    "NH4": null,
    "NO3": 8.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2785, 58.6121] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "GAK9I",
    "water_depth": 682,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "2348",
    "depth": 100.0,
    "PO4": 1.72,
    "SiOH4": 26.56,
    "NO3_NO2": 10.35,
    "NO2": 0.15,
    "NH4": null,
    "NO3": 10.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2785, 58.6121] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "GAK9I",
    "water_depth": 682,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "2348",
    "depth": 177.0,
    "PO4": 2.59,
    "SiOH4": 50.97,
    "NO3_NO2": 18.02,
    "NO2": 0.13,
    "NH4": null,
    "NO3": 17.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2785, 58.6121] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "GAK9I",
    "water_depth": 682,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "2348",
    "depth": 251.0,
    "PO4": 2.8,
    "SiOH4": 58.99,
    "NO3_NO2": 19.48,
    "NO2": 0.11,
    "NH4": null,
    "NO3": 19.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2785, 58.6121] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "GAK9I",
    "water_depth": 682,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "2348",
    "depth": 500.0,
    "PO4": 3.28,
    "SiOH4": 87.39,
    "NO3_NO2": 22.42,
    "NO2": 0.12,
    "NH4": null,
    "NO3": 22.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2785, 58.6121] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "GAK9I",
    "water_depth": 682,
    "month_gmt": "3",
    "day_gmt": "09",
    "time_gmt": "2348",
    "depth": 650.0,
    "PO4": 3.38,
    "SiOH4": 103.89,
    "NO3_NO2": 22.9,
    "NO2": 0.16,
    "NH4": null,
    "NO3": 22.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.866, 59.9076] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1539",
    "depth": 3.0,
    "PO4": 1.33,
    "SiOH4": 25.38,
    "NO3_NO2": 7.11,
    "NO2": 0.24,
    "NH4": null,
    "NO3": 6.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.866, 59.9076] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1539",
    "depth": 11.0,
    "PO4": 1.35,
    "SiOH4": 25.42,
    "NO3_NO2": 7.09,
    "NO2": 0.25,
    "NH4": null,
    "NO3": 6.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.866, 59.9076] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1539",
    "depth": 21.0,
    "PO4": 1.38,
    "SiOH4": 25.22,
    "NO3_NO2": 7.08,
    "NO2": 0.26,
    "NH4": null,
    "NO3": 6.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.866, 59.9076] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1539",
    "depth": 30.0,
    "PO4": 1.43,
    "SiOH4": 25.26,
    "NO3_NO2": 7.06,
    "NO2": 0.29,
    "NH4": null,
    "NO3": 6.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.866, 59.9076] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1539",
    "depth": 40.0,
    "PO4": 1.43,
    "SiOH4": 25.06,
    "NO3_NO2": 6.84,
    "NO2": 0.27,
    "NH4": null,
    "NO3": 6.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.866, 59.9076] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1539",
    "depth": 51.0,
    "PO4": 1.47,
    "SiOH4": 25.04,
    "NO3_NO2": 6.96,
    "NO2": 0.31,
    "NH4": null,
    "NO3": 6.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.866, 59.9076] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1539",
    "depth": 76.0,
    "PO4": 1.58,
    "SiOH4": 26.3,
    "NO3_NO2": 7.65,
    "NO2": 0.32,
    "NH4": null,
    "NO3": 7.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.866, 59.9076] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1539",
    "depth": 84.0,
    "PO4": 1.56,
    "SiOH4": 26.16,
    "NO3_NO2": 7.85,
    "NO2": 0.32,
    "NH4": null,
    "NO3": 7.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.8497] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "CF3",
    "water_depth": 159,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1626",
    "depth": 3.0,
    "PO4": 1.41,
    "SiOH4": 25.75,
    "NO3_NO2": 16.91,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 16.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.8497] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "CF3",
    "water_depth": 159,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1626",
    "depth": 11.0,
    "PO4": 1.5,
    "SiOH4": 26.67,
    "NO3_NO2": 17.75,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 17.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.8497] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "CF3",
    "water_depth": 159,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1626",
    "depth": 22.0,
    "PO4": 1.57,
    "SiOH4": 27.47,
    "NO3_NO2": 18.47,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 18.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.8497] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "CF3",
    "water_depth": 159,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1626",
    "depth": 31.0,
    "PO4": 1.57,
    "SiOH4": 27.5,
    "NO3_NO2": 18.51,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 18.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.8497] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "CF3",
    "water_depth": 159,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1626",
    "depth": 41.0,
    "PO4": 1.56,
    "SiOH4": 27.65,
    "NO3_NO2": 18.44,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 18.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.8497] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "CF3",
    "water_depth": 159,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1626",
    "depth": 52.0,
    "PO4": 1.57,
    "SiOH4": 27.68,
    "NO3_NO2": 18.54,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 18.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.8497] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "CF3",
    "water_depth": 159,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1626",
    "depth": 73.0,
    "PO4": 1.58,
    "SiOH4": 27.77,
    "NO3_NO2": 18.52,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 18.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.8497] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "CF3",
    "water_depth": 159,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1626",
    "depth": 100.0,
    "PO4": 1.6,
    "SiOH4": 28.04,
    "NO3_NO2": 18.57,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 18.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.8497] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "CF3",
    "water_depth": 159,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1626",
    "depth": 125.0,
    "PO4": 1.59,
    "SiOH4": 28.07,
    "NO3_NO2": 18.61,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 18.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.8497] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "CF3",
    "water_depth": 159,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1626",
    "depth": 151.0,
    "PO4": 1.62,
    "SiOH4": 28.1,
    "NO3_NO2": 18.82,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 18.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.7833] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 74,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1722",
    "depth": 3.0,
    "PO4": 1.51,
    "SiOH4": 26.83,
    "NO3_NO2": 18.24,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 18.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.7833] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 74,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1722",
    "depth": 11.0,
    "PO4": 1.55,
    "SiOH4": 26.92,
    "NO3_NO2": 18.17,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 18.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.7833] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 74,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1722",
    "depth": 19.0,
    "PO4": 1.58,
    "SiOH4": 27.07,
    "NO3_NO2": 18.1,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 18.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.7833] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 74,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1722",
    "depth": 30.0,
    "PO4": 1.57,
    "SiOH4": 27.16,
    "NO3_NO2": 18.02,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 18.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.7833] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 74,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1722",
    "depth": 41.0,
    "PO4": 1.56,
    "SiOH4": 27.07,
    "NO3_NO2": 18.07,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 18.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.7833] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 74,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1722",
    "depth": 51.0,
    "PO4": 1.59,
    "SiOH4": 27.1,
    "NO3_NO2": 18.0,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 18.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.7833] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 74,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1722",
    "depth": 75.0,
    "PO4": 1.58,
    "SiOH4": 27.13,
    "NO3_NO2": 17.81,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 17.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.7833] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 74,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1722",
    "depth": 99.0,
    "PO4": 1.58,
    "SiOH4": 27.16,
    "NO3_NO2": 17.8,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 17.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.7833] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 74,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1722",
    "depth": 126.0,
    "PO4": 1.59,
    "SiOH4": 27.08,
    "NO3_NO2": 17.78,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 17.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.7833] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 74,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1722",
    "depth": 152.0,
    "PO4": 1.59,
    "SiOH4": 27.05,
    "NO3_NO2": 17.65,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 17.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.7833] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 74,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1722",
    "depth": 176.0,
    "PO4": 1.58,
    "SiOH4": 27.14,
    "NO3_NO2": 17.58,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 17.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.7833] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 74,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1722",
    "depth": 185.0,
    "PO4": 1.56,
    "SiOH4": 27.29,
    "NO3_NO2": 17.45,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 17.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.7167] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1825",
    "depth": 3.0,
    "PO4": 1.54,
    "SiOH4": 27.06,
    "NO3_NO2": 8.55,
    "NO2": 0.03,
    "NH4": 0.17,
    "NO3": 8.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.7167] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1825",
    "depth": 11.0,
    "PO4": 1.54,
    "SiOH4": 27.76,
    "NO3_NO2": 9.05,
    "NO2": 0.05,
    "NH4": 0.06,
    "NO3": 9.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.7167] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1825",
    "depth": 20.0,
    "PO4": 1.57,
    "SiOH4": 27.8,
    "NO3_NO2": 9.25,
    "NO2": 0.05,
    "NH4": 0.32,
    "NO3": 9.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.7167] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1825",
    "depth": 30.0,
    "PO4": 1.58,
    "SiOH4": 27.66,
    "NO3_NO2": 9.62,
    "NO2": 0.05,
    "NH4": 0.19,
    "NO3": 9.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.7167] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1825",
    "depth": 41.0,
    "PO4": 1.57,
    "SiOH4": 27.47,
    "NO3_NO2": 9.63,
    "NO2": 0.05,
    "NH4": 0.18,
    "NO3": 9.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.7167] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1825",
    "depth": 51.0,
    "PO4": 1.56,
    "SiOH4": 27.39,
    "NO3_NO2": 9.7,
    "NO2": 0.05,
    "NH4": 0.16,
    "NO3": 9.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.7167] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1825",
    "depth": 76.0,
    "PO4": 1.56,
    "SiOH4": 27.25,
    "NO3_NO2": 9.71,
    "NO2": 0.05,
    "NH4": 0.12,
    "NO3": 9.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.7167] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1825",
    "depth": 101.0,
    "PO4": 1.57,
    "SiOH4": 26.28,
    "NO3_NO2": 9.72,
    "NO2": 0.04,
    "NH4": 0.08,
    "NO3": 9.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.7167] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1825",
    "depth": 125.0,
    "PO4": 1.56,
    "SiOH4": 25.67,
    "NO3_NO2": 9.54,
    "NO2": 0.04,
    "NH4": 0.07,
    "NO3": 9.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.7167] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1825",
    "depth": 149.0,
    "PO4": 1.58,
    "SiOH4": 24.93,
    "NO3_NO2": 9.61,
    "NO2": 0.02,
    "NH4": 0.29,
    "NO3": 9.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8666, 59.7167] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1825",
    "depth": 177.0,
    "PO4": 1.79,
    "SiOH4": 29.87,
    "NO3_NO2": 10.97,
    "NO2": 0.01,
    "NH4": 0.31,
    "NO3": 10.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8679, 59.6507] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1929",
    "depth": 3.0,
    "PO4": 1.47,
    "SiOH4": 27.58,
    "NO3_NO2": 8.15,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 8.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8679, 59.6507] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1929",
    "depth": 10.0,
    "PO4": 1.5,
    "SiOH4": 27.51,
    "NO3_NO2": 8.28,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 8.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8679, 59.6507] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1929",
    "depth": 20.0,
    "PO4": 1.5,
    "SiOH4": 26.65,
    "NO3_NO2": 8.35,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 8.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8679, 59.6507] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1929",
    "depth": 30.0,
    "PO4": 1.49,
    "SiOH4": 26.22,
    "NO3_NO2": 8.48,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 8.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8679, 59.6507] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1929",
    "depth": 41.0,
    "PO4": 1.5,
    "SiOH4": 26.02,
    "NO3_NO2": 8.36,
    "NO2": 0.06,
    "NH4": null,
    "NO3": 8.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8679, 59.6507] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1929",
    "depth": 50.0,
    "PO4": 1.49,
    "SiOH4": 26.01,
    "NO3_NO2": 8.37,
    "NO2": 0.09,
    "NH4": null,
    "NO3": 8.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8679, 59.6507] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1929",
    "depth": 77.0,
    "PO4": 1.49,
    "SiOH4": 25.27,
    "NO3_NO2": 8.32,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 8.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8679, 59.6507] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1929",
    "depth": 103.0,
    "PO4": 1.52,
    "SiOH4": 25.14,
    "NO3_NO2": 8.45,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 8.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8679, 59.6507] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1929",
    "depth": 123.0,
    "PO4": 1.53,
    "SiOH4": 24.1,
    "NO3_NO2": 8.39,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 8.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8679, 59.6507] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1929",
    "depth": 151.0,
    "PO4": 1.61,
    "SiOH4": 26.59,
    "NO3_NO2": 9.08,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 9.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8679, 59.6507] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "CF9",
    "water_depth": 180,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "1929",
    "depth": 177.0,
    "PO4": 1.67,
    "SiOH4": 28.18,
    "NO3_NO2": 9.52,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 9.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8681, 59.5844] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "CF11",
    "water_depth": 180,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "2046",
    "depth": 4.0,
    "PO4": 1.48,
    "SiOH4": 24.97,
    "NO3_NO2": 7.78,
    "NO2": 0.01,
    "NH4": 0.21,
    "NO3": 7.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8681, 59.5844] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "CF11",
    "water_depth": 180,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "2046",
    "depth": 11.0,
    "PO4": 1.51,
    "SiOH4": 25.02,
    "NO3_NO2": 8.39,
    "NO2": 0.01,
    "NH4": 0.09,
    "NO3": 8.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8681, 59.5844] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "CF11",
    "water_depth": 180,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "2046",
    "depth": 21.0,
    "PO4": 1.51,
    "SiOH4": 24.89,
    "NO3_NO2": 9.01,
    "NO2": 0.03,
    "NH4": 0.09,
    "NO3": 8.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8681, 59.5844] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "CF11",
    "water_depth": 180,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "2046",
    "depth": 30.0,
    "PO4": 1.5,
    "SiOH4": 25.06,
    "NO3_NO2": 9.34,
    "NO2": 0.02,
    "NH4": 0.06,
    "NO3": 9.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8681, 59.5844] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "CF11",
    "water_depth": 180,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "2046",
    "depth": 40.0,
    "PO4": 1.5,
    "SiOH4": 24.99,
    "NO3_NO2": 9.38,
    "NO2": 0.02,
    "NH4": 0.06,
    "NO3": 9.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8681, 59.5844] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "CF11",
    "water_depth": 180,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "2046",
    "depth": 50.0,
    "PO4": 1.5,
    "SiOH4": 24.99,
    "NO3_NO2": 10.42,
    "NO2": 0.04,
    "NH4": 0.0,
    "NO3": 10.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8681, 59.5844] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "CF11",
    "water_depth": 180,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "2046",
    "depth": 76.0,
    "PO4": 1.55,
    "SiOH4": 24.98,
    "NO3_NO2": 10.47,
    "NO2": 0.01,
    "NH4": 0.0,
    "NO3": 10.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8681, 59.5844] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "CF11",
    "water_depth": 180,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "2046",
    "depth": 100.0,
    "PO4": 1.56,
    "SiOH4": 24.91,
    "NO3_NO2": 10.66,
    "NO2": 0.0,
    "NH4": 0.0,
    "NO3": 10.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8681, 59.5844] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "CF11",
    "water_depth": 180,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "2046",
    "depth": 125.0,
    "PO4": 1.54,
    "SiOH4": 24.25,
    "NO3_NO2": 10.56,
    "NO2": 0.02,
    "NH4": 0.0,
    "NO3": 10.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8681, 59.5844] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "CF11",
    "water_depth": 180,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "2046",
    "depth": 151.0,
    "PO4": 1.6,
    "SiOH4": 26.68,
    "NO3_NO2": 11.6,
    "NO2": 0.02,
    "NH4": 0.21,
    "NO3": 11.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8681, 59.5844] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "CF11",
    "water_depth": 180,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "2046",
    "depth": 178.0,
    "PO4": 1.69,
    "SiOH4": 28.4,
    "NO3_NO2": 12.35,
    "NO2": 0.01,
    "NH4": 0.03,
    "NO3": 12.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.866, 59.5177] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 83,
    "stn_id": "CF13",
    "water_depth": 175,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "2209",
    "depth": 3.0,
    "PO4": 1.45,
    "SiOH4": 23.52,
    "NO3_NO2": 16.79,
    "NO2": 0.11,
    "NH4": 0.18,
    "NO3": 16.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.866, 59.5177] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 83,
    "stn_id": "CF13",
    "water_depth": 175,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "2209",
    "depth": 10.0,
    "PO4": 1.48,
    "SiOH4": 23.53,
    "NO3_NO2": 16.76,
    "NO2": 0.11,
    "NH4": 0.19,
    "NO3": 16.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.866, 59.5177] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 83,
    "stn_id": "CF13",
    "water_depth": 175,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "2209",
    "depth": 20.0,
    "PO4": 1.47,
    "SiOH4": 23.38,
    "NO3_NO2": 16.67,
    "NO2": 0.11,
    "NH4": 0.16,
    "NO3": 16.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.866, 59.5177] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 83,
    "stn_id": "CF13",
    "water_depth": 175,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "2209",
    "depth": 31.0,
    "PO4": 1.46,
    "SiOH4": 22.89,
    "NO3_NO2": 16.31,
    "NO2": 0.13,
    "NH4": 0.11,
    "NO3": 16.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.866, 59.5177] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 83,
    "stn_id": "CF13",
    "water_depth": 175,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "2209",
    "depth": 40.0,
    "PO4": 1.47,
    "SiOH4": 22.62,
    "NO3_NO2": 16.0,
    "NO2": 0.13,
    "NH4": 0.08,
    "NO3": 15.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.866, 59.5177] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 83,
    "stn_id": "CF13",
    "water_depth": 175,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "2209",
    "depth": 50.0,
    "PO4": 1.48,
    "SiOH4": 22.64,
    "NO3_NO2": 15.97,
    "NO2": 0.05,
    "NH4": 0.06,
    "NO3": 15.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.866, 59.5177] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 83,
    "stn_id": "CF13",
    "water_depth": 175,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "2209",
    "depth": 75.0,
    "PO4": 1.51,
    "SiOH4": 21.7,
    "NO3_NO2": 15.82,
    "NO2": 0.05,
    "NH4": 0.21,
    "NO3": 15.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.866, 59.5177] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 83,
    "stn_id": "CF13",
    "water_depth": 175,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "2209",
    "depth": 102.0,
    "PO4": 1.5,
    "SiOH4": 21.37,
    "NO3_NO2": 15.73,
    "NO2": 0.05,
    "NH4": 0.19,
    "NO3": 15.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.866, 59.5177] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 83,
    "stn_id": "CF13",
    "water_depth": 175,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "2209",
    "depth": 126.0,
    "PO4": 1.51,
    "SiOH4": 21.39,
    "NO3_NO2": 15.75,
    "NO2": 0.05,
    "NH4": 0.07,
    "NO3": 15.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.866, 59.5177] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 83,
    "stn_id": "CF13",
    "water_depth": 175,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "2209",
    "depth": 150.0,
    "PO4": 1.58,
    "SiOH4": 22.08,
    "NO3_NO2": 16.15,
    "NO2": 0.05,
    "NH4": 0.32,
    "NO3": 16.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.866, 59.5177] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 83,
    "stn_id": "CF13",
    "water_depth": 175,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "2209",
    "depth": 173.0,
    "PO4": 1.61,
    "SiOH4": 23.21,
    "NO3_NO2": 17.24,
    "NO2": 0.05,
    "NH4": 0.05,
    "NO3": 17.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8649, 59.4512] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 85,
    "stn_id": "CF15",
    "water_depth": 184,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "2324",
    "depth": 2.0,
    "PO4": 1.45,
    "SiOH4": null,
    "NO3_NO2": 12.91,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 12.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8649, 59.4512] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 85,
    "stn_id": "CF15",
    "water_depth": 184,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "2324",
    "depth": 20.0,
    "PO4": 1.46,
    "SiOH4": null,
    "NO3_NO2": 12.84,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 12.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8649, 59.4512] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 85,
    "stn_id": "CF15",
    "water_depth": 184,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "2324",
    "depth": 30.0,
    "PO4": 1.46,
    "SiOH4": null,
    "NO3_NO2": 12.81,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 12.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8649, 59.4512] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 85,
    "stn_id": "CF15",
    "water_depth": 184,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "2324",
    "depth": 40.0,
    "PO4": 1.47,
    "SiOH4": null,
    "NO3_NO2": 12.68,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 12.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8649, 59.4512] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 85,
    "stn_id": "CF15",
    "water_depth": 184,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "2324",
    "depth": 51.0,
    "PO4": 1.47,
    "SiOH4": 21.5,
    "NO3_NO2": 12.61,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 12.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8649, 59.4512] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 85,
    "stn_id": "CF15",
    "water_depth": 184,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "2324",
    "depth": 75.0,
    "PO4": 1.48,
    "SiOH4": 21.53,
    "NO3_NO2": 12.64,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 12.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8649, 59.4512] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 85,
    "stn_id": "CF15",
    "water_depth": 184,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "2324",
    "depth": 101.0,
    "PO4": 1.52,
    "SiOH4": 21.78,
    "NO3_NO2": 12.89,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 12.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8649, 59.4512] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 85,
    "stn_id": "CF15",
    "water_depth": 184,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "2324",
    "depth": 124.0,
    "PO4": 1.56,
    "SiOH4": 22.82,
    "NO3_NO2": 13.13,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 13.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8649, 59.4512] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 85,
    "stn_id": "CF15",
    "water_depth": 184,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "2324",
    "depth": 147.0,
    "PO4": 1.57,
    "SiOH4": 23.19,
    "NO3_NO2": 13.22,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 13.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8649, 59.4512] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 85,
    "stn_id": "CF15",
    "water_depth": 184,
    "month_gmt": "3",
    "day_gmt": "10",
    "time_gmt": "2324",
    "depth": 178.0,
    "PO4": 1.61,
    "SiOH4": 23.5,
    "NO3_NO2": 13.3,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 13.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8007, 60.5339] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "PWS2",
    "water_depth": 747,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0051",
    "depth": 2.0,
    "PO4": 1.4,
    "SiOH4": 23.25,
    "NO3_NO2": 15.58,
    "NO2": 0.03,
    "NH4": 0.01,
    "NO3": 15.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8007, 60.5339] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "PWS2",
    "water_depth": 747,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0051",
    "depth": 11.0,
    "PO4": 1.4,
    "SiOH4": 23.45,
    "NO3_NO2": 15.35,
    "NO2": 0.02,
    "NH4": 0.01,
    "NO3": 15.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8007, 60.5339] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "PWS2",
    "water_depth": 747,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0051",
    "depth": 20.0,
    "PO4": 1.44,
    "SiOH4": 23.76,
    "NO3_NO2": 15.0,
    "NO2": 0.02,
    "NH4": 0.02,
    "NO3": 14.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8007, 60.5339] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "PWS2",
    "water_depth": 747,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0051",
    "depth": 30.0,
    "PO4": 1.47,
    "SiOH4": 24.48,
    "NO3_NO2": 15.12,
    "NO2": 0.02,
    "NH4": 0.03,
    "NO3": 15.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8007, 60.5339] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "PWS2",
    "water_depth": 747,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0051",
    "depth": 41.0,
    "PO4": 1.48,
    "SiOH4": 24.68,
    "NO3_NO2": 15.0,
    "NO2": 0.02,
    "NH4": 0.26,
    "NO3": 14.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8007, 60.5339] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "PWS2",
    "water_depth": 747,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0051",
    "depth": 51.0,
    "PO4": 1.49,
    "SiOH4": 24.87,
    "NO3_NO2": 14.94,
    "NO2": 0.02,
    "NH4": 0.23,
    "NO3": 14.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8007, 60.5339] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "PWS2",
    "water_depth": 747,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0051",
    "depth": 76.0,
    "PO4": 1.51,
    "SiOH4": 25.36,
    "NO3_NO2": 15.41,
    "NO2": 0.02,
    "NH4": 0.18,
    "NO3": 15.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8007, 60.5339] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "PWS2",
    "water_depth": 747,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0051",
    "depth": 102.0,
    "PO4": 1.57,
    "SiOH4": 25.79,
    "NO3_NO2": 15.64,
    "NO2": 0.02,
    "NH4": 0.25,
    "NO3": 15.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8007, 60.5339] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "PWS2",
    "water_depth": 747,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0051",
    "depth": 173.0,
    "PO4": 1.66,
    "SiOH4": 26.62,
    "NO3_NO2": 16.4,
    "NO2": 0.02,
    "NH4": 0.03,
    "NO3": 16.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8007, 60.5339] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "PWS2",
    "water_depth": 747,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0051",
    "depth": 250.0,
    "PO4": 1.89,
    "SiOH4": 31.38,
    "NO3_NO2": 18.66,
    "NO2": 0.02,
    "NH4": 0.03,
    "NO3": 18.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8007, 60.5339] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "PWS2",
    "water_depth": 747,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0051",
    "depth": 500.0,
    "PO4": 2.25,
    "SiOH4": 40.42,
    "NO3_NO2": 22.97,
    "NO2": 0.01,
    "NH4": 0.04,
    "NO3": 22.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8007, 60.5339] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "PWS2",
    "water_depth": 747,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0051",
    "depth": 727.0,
    "PO4": 2.32,
    "SiOH4": 42.81,
    "NO3_NO2": 23.49,
    "NO2": 0.01,
    "NH4": 0.05,
    "NO3": 23.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9383, 60.3787] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 88,
    "stn_id": "PWS1",
    "water_depth": 356,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0326",
    "depth": 2.0,
    "PO4": 1.2,
    "SiOH4": 21.45,
    "NO3_NO2": 11.34,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 11.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9383, 60.3787] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 88,
    "stn_id": "PWS1",
    "water_depth": 356,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0326",
    "depth": 10.0,
    "PO4": 1.24,
    "SiOH4": 21.59,
    "NO3_NO2": 11.28,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 11.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9383, 60.3787] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 88,
    "stn_id": "PWS1",
    "water_depth": 356,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0326",
    "depth": 21.0,
    "PO4": 1.27,
    "SiOH4": 21.73,
    "NO3_NO2": 11.45,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 11.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9383, 60.3787] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 88,
    "stn_id": "PWS1",
    "water_depth": 356,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0326",
    "depth": 32.0,
    "PO4": 1.33,
    "SiOH4": 21.98,
    "NO3_NO2": 11.57,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 11.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9383, 60.3787] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 88,
    "stn_id": "PWS1",
    "water_depth": 356,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0326",
    "depth": 41.0,
    "PO4": 1.34,
    "SiOH4": 22.53,
    "NO3_NO2": 12.09,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 12.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9383, 60.3787] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 88,
    "stn_id": "PWS1",
    "water_depth": 356,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0326",
    "depth": 49.0,
    "PO4": 1.41,
    "SiOH4": 23.13,
    "NO3_NO2": 12.44,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 12.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9383, 60.3787] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 88,
    "stn_id": "PWS1",
    "water_depth": 356,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0326",
    "depth": 73.0,
    "PO4": 1.49,
    "SiOH4": 24.19,
    "NO3_NO2": 13.2,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 13.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9383, 60.3787] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 88,
    "stn_id": "PWS1",
    "water_depth": 356,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0326",
    "depth": 100.0,
    "PO4": 1.57,
    "SiOH4": 24.5,
    "NO3_NO2": 13.6,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 13.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9383, 60.3787] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 88,
    "stn_id": "PWS1",
    "water_depth": 356,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0326",
    "depth": 149.0,
    "PO4": 1.62,
    "SiOH4": 24.35,
    "NO3_NO2": 13.9,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 13.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9383, 60.3787] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 88,
    "stn_id": "PWS1",
    "water_depth": 356,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0326",
    "depth": 202.0,
    "PO4": 1.76,
    "SiOH4": 26.28,
    "NO3_NO2": 15.12,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 15.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9383, 60.3787] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 88,
    "stn_id": "PWS1",
    "water_depth": 356,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0326",
    "depth": 273.0,
    "PO4": 1.91,
    "SiOH4": 31.1,
    "NO3_NO2": 16.8,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 16.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9383, 60.3787] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 88,
    "stn_id": "PWS1",
    "water_depth": 356,
    "month_gmt": "3",
    "day_gmt": "12",
    "time_gmt": "0326",
    "depth": 353.0,
    "PO4": 2.08,
    "SiOH4": 35.46,
    "NO3_NO2": 18.72,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 18.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.609, 60.2171] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 92,
    "stn_id": "HE1",
    "water_depth": 82,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0106",
    "depth": 4.0,
    "PO4": 1.75,
    "SiOH4": 28.65,
    "NO3_NO2": 9.6,
    "NO2": 0.16,
    "NH4": null,
    "NO3": 9.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.609, 60.2171] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 92,
    "stn_id": "HE1",
    "water_depth": 82,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0106",
    "depth": 12.0,
    "PO4": 1.74,
    "SiOH4": 28.27,
    "NO3_NO2": 10.07,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 9.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.609, 60.2171] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 92,
    "stn_id": "HE1",
    "water_depth": 82,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0106",
    "depth": 22.0,
    "PO4": 1.8,
    "SiOH4": 28.63,
    "NO3_NO2": 9.91,
    "NO2": 0.15,
    "NH4": null,
    "NO3": 9.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.609, 60.2171] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 92,
    "stn_id": "HE1",
    "water_depth": 82,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0106",
    "depth": 32.0,
    "PO4": 1.81,
    "SiOH4": 28.56,
    "NO3_NO2": 10.09,
    "NO2": 0.15,
    "NH4": null,
    "NO3": 9.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.609, 60.2171] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 92,
    "stn_id": "HE1",
    "water_depth": 82,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0106",
    "depth": 41.0,
    "PO4": 1.89,
    "SiOH4": 28.73,
    "NO3_NO2": 9.93,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 9.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.609, 60.2171] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 92,
    "stn_id": "HE1",
    "water_depth": 82,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0106",
    "depth": 49.0,
    "PO4": 1.9,
    "SiOH4": 28.84,
    "NO3_NO2": 10.05,
    "NO2": 0.28,
    "NH4": null,
    "NO3": 9.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.609, 60.2171] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 92,
    "stn_id": "HE1",
    "water_depth": 82,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0106",
    "depth": 78.0,
    "PO4": 2.26,
    "SiOH4": 29.19,
    "NO3_NO2": 10.23,
    "NO2": 0.39,
    "NH4": null,
    "NO3": 9.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6086, 60.1793] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 93,
    "stn_id": "HE2",
    "water_depth": 196,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0132",
    "depth": 2.0,
    "PO4": 1.59,
    "SiOH4": 28.33,
    "NO3_NO2": 8.17,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 8.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6086, 60.1793] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 93,
    "stn_id": "HE2",
    "water_depth": 196,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0132",
    "depth": 11.0,
    "PO4": 1.65,
    "SiOH4": 28.62,
    "NO3_NO2": 8.5,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 8.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6086, 60.1793] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 93,
    "stn_id": "HE2",
    "water_depth": 196,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0132",
    "depth": 20.0,
    "PO4": 1.64,
    "SiOH4": 27.82,
    "NO3_NO2": 8.76,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 8.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6086, 60.1793] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 93,
    "stn_id": "HE2",
    "water_depth": 196,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0132",
    "depth": 30.0,
    "PO4": 1.63,
    "SiOH4": 27.38,
    "NO3_NO2": 8.59,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 8.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6086, 60.1793] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 93,
    "stn_id": "HE2",
    "water_depth": 196,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0132",
    "depth": 40.0,
    "PO4": 1.63,
    "SiOH4": 27.0,
    "NO3_NO2": 8.0,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 7.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6086, 60.1793] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 93,
    "stn_id": "HE2",
    "water_depth": 196,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0132",
    "depth": 52.0,
    "PO4": 1.65,
    "SiOH4": 26.87,
    "NO3_NO2": 8.54,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 8.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6086, 60.1793] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 93,
    "stn_id": "HE2",
    "water_depth": 196,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0132",
    "depth": 76.0,
    "PO4": 1.66,
    "SiOH4": 26.68,
    "NO3_NO2": 8.59,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 8.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6086, 60.1793] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 93,
    "stn_id": "HE2",
    "water_depth": 196,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0132",
    "depth": 99.0,
    "PO4": 1.65,
    "SiOH4": 26.42,
    "NO3_NO2": 8.71,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 8.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6086, 60.1793] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 93,
    "stn_id": "HE2",
    "water_depth": 196,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0132",
    "depth": 121.0,
    "PO4": 1.67,
    "SiOH4": 26.41,
    "NO3_NO2": 8.61,
    "NO2": 0.06,
    "NH4": null,
    "NO3": 8.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6086, 60.1793] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 93,
    "stn_id": "HE2",
    "water_depth": 196,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0132",
    "depth": 148.0,
    "PO4": 1.68,
    "SiOH4": 26.22,
    "NO3_NO2": 8.8,
    "NO2": 0.06,
    "NH4": null,
    "NO3": 8.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6086, 60.1793] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 93,
    "stn_id": "HE2",
    "water_depth": 196,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0132",
    "depth": 174.0,
    "PO4": 1.68,
    "SiOH4": 25.6,
    "NO3_NO2": 8.71,
    "NO2": 0.06,
    "NH4": null,
    "NO3": 8.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6086, 60.1793] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 93,
    "stn_id": "HE2",
    "water_depth": 196,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0132",
    "depth": 189.0,
    "PO4": 1.67,
    "SiOH4": 25.47,
    "NO3_NO2": 8.33,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 8.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6053, 60.1307] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 94,
    "stn_id": "HE3",
    "water_depth": 116,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0208",
    "depth": 2.0,
    "PO4": 1.44,
    "SiOH4": 26.8,
    "NO3_NO2": 6.74,
    "NO2": 0.07,
    "NH4": 0.06,
    "NO3": 6.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6053, 60.1307] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 94,
    "stn_id": "HE3",
    "water_depth": 116,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0208",
    "depth": 10.0,
    "PO4": 1.53,
    "SiOH4": 26.66,
    "NO3_NO2": 7.29,
    "NO2": 0.06,
    "NH4": 0.07,
    "NO3": 7.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6053, 60.1307] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 94,
    "stn_id": "HE3",
    "water_depth": 116,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0208",
    "depth": 20.0,
    "PO4": 1.56,
    "SiOH4": 26.58,
    "NO3_NO2": 7.75,
    "NO2": 0.08,
    "NH4": 0.18,
    "NO3": 7.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6053, 60.1307] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 94,
    "stn_id": "HE3",
    "water_depth": 116,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0208",
    "depth": 31.0,
    "PO4": 1.56,
    "SiOH4": 26.22,
    "NO3_NO2": 7.84,
    "NO2": 0.04,
    "NH4": 0.17,
    "NO3": 7.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6053, 60.1307] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 94,
    "stn_id": "HE3",
    "water_depth": 116,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0208",
    "depth": 38.0,
    "PO4": 1.58,
    "SiOH4": 26.14,
    "NO3_NO2": 8.3,
    "NO2": 0.01,
    "NH4": 0.15,
    "NO3": 8.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6053, 60.1307] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 94,
    "stn_id": "HE3",
    "water_depth": 116,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0208",
    "depth": 52.0,
    "PO4": 1.59,
    "SiOH4": 25.95,
    "NO3_NO2": 8.57,
    "NO2": 0.0,
    "NH4": 0.1,
    "NO3": 8.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6053, 60.1307] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 94,
    "stn_id": "HE3",
    "water_depth": 116,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0208",
    "depth": 76.0,
    "PO4": 1.6,
    "SiOH4": 26.1,
    "NO3_NO2": 8.38,
    "NO2": 0.04,
    "NH4": 0.83,
    "NO3": 8.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6053, 60.1307] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 94,
    "stn_id": "HE3",
    "water_depth": 116,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0208",
    "depth": 115.0,
    "PO4": 1.65,
    "SiOH4": 25.56,
    "NO3_NO2": 8.56,
    "NO2": 0.08,
    "NH4": 0.84,
    "NO3": 8.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6059, 60.0804] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 95,
    "stn_id": "HE4",
    "water_depth": 115,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0239",
    "depth": 2.0,
    "PO4": 1.53,
    "SiOH4": 25.95,
    "NO3_NO2": 8.37,
    "NO2": 0.05,
    "NH4": 0.18,
    "NO3": 8.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6059, 60.0804] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 95,
    "stn_id": "HE4",
    "water_depth": 115,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0239",
    "depth": 9.0,
    "PO4": 1.54,
    "SiOH4": 25.52,
    "NO3_NO2": 8.27,
    "NO2": 0.12,
    "NH4": 0.22,
    "NO3": 8.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6059, 60.0804] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 95,
    "stn_id": "HE4",
    "water_depth": 115,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0239",
    "depth": 19.0,
    "PO4": 1.55,
    "SiOH4": 25.45,
    "NO3_NO2": 8.45,
    "NO2": 0.06,
    "NH4": null,
    "NO3": 8.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6059, 60.0804] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 95,
    "stn_id": "HE4",
    "water_depth": 115,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0239",
    "depth": 30.0,
    "PO4": 1.54,
    "SiOH4": 25.48,
    "NO3_NO2": 8.63,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 8.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6059, 60.0804] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 95,
    "stn_id": "HE4",
    "water_depth": 115,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0239",
    "depth": 40.0,
    "PO4": 1.55,
    "SiOH4": 25.41,
    "NO3_NO2": 8.63,
    "NO2": 0.14,
    "NH4": null,
    "NO3": 8.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6059, 60.0804] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 95,
    "stn_id": "HE4",
    "water_depth": 115,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0239",
    "depth": 51.0,
    "PO4": 1.57,
    "SiOH4": 25.56,
    "NO3_NO2": 8.44,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 8.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6059, 60.0804] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 95,
    "stn_id": "HE4",
    "water_depth": 115,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0239",
    "depth": 73.0,
    "PO4": 1.54,
    "SiOH4": 25.48,
    "NO3_NO2": 8.71,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 8.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6059, 60.0804] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 95,
    "stn_id": "HE4",
    "water_depth": 115,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0239",
    "depth": 111.0,
    "PO4": 1.52,
    "SiOH4": 25.52,
    "NO3_NO2": 8.52,
    "NO2": 0.17,
    "NH4": null,
    "NO3": 8.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6068, 60.029] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "HE5",
    "water_depth": 88,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0310",
    "depth": 2.0,
    "PO4": 1.68,
    "SiOH4": 25.25,
    "NO3_NO2": 18.08,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 18.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6068, 60.029] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "HE5",
    "water_depth": 88,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0310",
    "depth": 12.0,
    "PO4": 1.69,
    "SiOH4": 25.18,
    "NO3_NO2": 18.18,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 18.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6068, 60.029] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "HE5",
    "water_depth": 88,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0310",
    "depth": 20.0,
    "PO4": 1.7,
    "SiOH4": 25.22,
    "NO3_NO2": 18.12,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 18.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6068, 60.029] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "HE5",
    "water_depth": 88,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0310",
    "depth": 30.0,
    "PO4": 1.69,
    "SiOH4": 25.44,
    "NO3_NO2": 18.05,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 18.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6068, 60.029] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "HE5",
    "water_depth": 88,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0310",
    "depth": 41.0,
    "PO4": 1.72,
    "SiOH4": 25.48,
    "NO3_NO2": 17.98,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 17.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6068, 60.029] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "HE5",
    "water_depth": 88,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0310",
    "depth": 51.0,
    "PO4": 1.73,
    "SiOH4": 25.7,
    "NO3_NO2": 17.8,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 17.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6068, 60.029] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "HE5",
    "water_depth": 88,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0310",
    "depth": 73.0,
    "PO4": 1.75,
    "SiOH4": 25.8,
    "NO3_NO2": 17.79,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 17.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6068, 60.029] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "HE5",
    "water_depth": 88,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0310",
    "depth": 85.0,
    "PO4": 1.8,
    "SiOH4": 25.79,
    "NO3_NO2": 17.5,
    "NO2": 0.13,
    "NH4": null,
    "NO3": 17.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7001, 60.0403] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "HE6",
    "water_depth": 119,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0338",
    "depth": 2.0,
    "PO4": 1.61,
    "SiOH4": 26.42,
    "NO3_NO2": 17.27,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 17.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7001, 60.0403] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "HE6",
    "water_depth": 119,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0338",
    "depth": 11.0,
    "PO4": 1.65,
    "SiOH4": 26.46,
    "NO3_NO2": 17.25,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 17.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7001, 60.0403] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "HE6",
    "water_depth": 119,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0338",
    "depth": 20.0,
    "PO4": 1.65,
    "SiOH4": 26.51,
    "NO3_NO2": 17.19,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 17.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7001, 60.0403] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "HE6",
    "water_depth": 119,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0338",
    "depth": 31.0,
    "PO4": 1.63,
    "SiOH4": 26.37,
    "NO3_NO2": 17.12,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 17.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7001, 60.0403] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "HE6",
    "water_depth": 119,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0338",
    "depth": 40.0,
    "PO4": 1.6,
    "SiOH4": 26.06,
    "NO3_NO2": 17.0,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 16.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7001, 60.0403] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "HE6",
    "water_depth": 119,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0338",
    "depth": 52.0,
    "PO4": 1.59,
    "SiOH4": 25.87,
    "NO3_NO2": 16.87,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 16.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7001, 60.0403] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "HE6",
    "water_depth": 119,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0338",
    "depth": 76.0,
    "PO4": 1.61,
    "SiOH4": 25.79,
    "NO3_NO2": 16.69,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 16.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7001, 60.0403] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "HE6",
    "water_depth": 119,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0338",
    "depth": 115.0,
    "PO4": 1.65,
    "SiOH4": 25.66,
    "NO3_NO2": 16.63,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 16.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7935, 60.0557] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 98,
    "stn_id": "HE7",
    "water_depth": 119,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0407",
    "depth": 3.0,
    "PO4": 1.62,
    "SiOH4": 26.89,
    "NO3_NO2": 15.56,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 15.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7935, 60.0557] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 98,
    "stn_id": "HE7",
    "water_depth": 119,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0407",
    "depth": 11.0,
    "PO4": 1.62,
    "SiOH4": 26.69,
    "NO3_NO2": 15.51,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 15.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7935, 60.0557] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 98,
    "stn_id": "HE7",
    "water_depth": 119,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0407",
    "depth": 20.0,
    "PO4": 1.62,
    "SiOH4": 26.6,
    "NO3_NO2": 15.45,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 15.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7935, 60.0557] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 98,
    "stn_id": "HE7",
    "water_depth": 119,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0407",
    "depth": 31.0,
    "PO4": 1.64,
    "SiOH4": 26.52,
    "NO3_NO2": 15.34,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 15.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7935, 60.0557] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 98,
    "stn_id": "HE7",
    "water_depth": 119,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0407",
    "depth": 41.0,
    "PO4": 1.63,
    "SiOH4": 25.96,
    "NO3_NO2": 15.17,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 15.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7935, 60.0557] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 98,
    "stn_id": "HE7",
    "water_depth": 119,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0407",
    "depth": 51.0,
    "PO4": 1.62,
    "SiOH4": 25.35,
    "NO3_NO2": 14.95,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 14.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7935, 60.0557] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 98,
    "stn_id": "HE7",
    "water_depth": 119,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0407",
    "depth": 76.0,
    "PO4": 1.61,
    "SiOH4": 24.85,
    "NO3_NO2": 14.9,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 14.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7935, 60.0557] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 98,
    "stn_id": "HE7",
    "water_depth": 119,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0407",
    "depth": 99.0,
    "PO4": 1.61,
    "SiOH4": 24.53,
    "NO3_NO2": 14.84,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 14.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7935, 60.0557] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 98,
    "stn_id": "HE7",
    "water_depth": 119,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0407",
    "depth": 116.0,
    "PO4": 1.61,
    "SiOH4": 24.27,
    "NO3_NO2": 14.68,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 14.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8771, 60.0739] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 99,
    "stn_id": "HE8",
    "water_depth": 106,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0437",
    "depth": 2.0,
    "PO4": 1.59,
    "SiOH4": 26.08,
    "NO3_NO2": 14.73,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 14.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8771, 60.0739] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 99,
    "stn_id": "HE8",
    "water_depth": 106,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0437",
    "depth": 11.0,
    "PO4": 1.59,
    "SiOH4": 25.87,
    "NO3_NO2": 14.68,
    "NO2": 0.04,
    "NH4": null,
    "NO3": 14.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8771, 60.0739] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 99,
    "stn_id": "HE8",
    "water_depth": 106,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0437",
    "depth": 20.0,
    "PO4": 1.6,
    "SiOH4": 25.85,
    "NO3_NO2": 14.68,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 14.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8771, 60.0739] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 99,
    "stn_id": "HE8",
    "water_depth": 106,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0437",
    "depth": 29.0,
    "PO4": 1.58,
    "SiOH4": 25.77,
    "NO3_NO2": 14.73,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 14.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8771, 60.0739] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 99,
    "stn_id": "HE8",
    "water_depth": 106,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0437",
    "depth": 40.0,
    "PO4": 1.59,
    "SiOH4": 25.62,
    "NO3_NO2": 14.62,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 14.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8771, 60.0739] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 99,
    "stn_id": "HE8",
    "water_depth": 106,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0437",
    "depth": 49.0,
    "PO4": 1.61,
    "SiOH4": 25.48,
    "NO3_NO2": 14.62,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 14.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8771, 60.0739] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 99,
    "stn_id": "HE8",
    "water_depth": 106,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0437",
    "depth": 72.0,
    "PO4": 1.65,
    "SiOH4": 25.34,
    "NO3_NO2": 14.73,
    "NO2": 0.03,
    "NH4": null,
    "NO3": 14.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8771, 60.0739] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 99,
    "stn_id": "HE8",
    "water_depth": 106,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0437",
    "depth": 102.0,
    "PO4": 1.62,
    "SiOH4": 23.89,
    "NO3_NO2": 14.18,
    "NO2": 0.07,
    "NH4": null,
    "NO3": 14.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9621, 60.0922] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "HE9",
    "water_depth": 128,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0506",
    "depth": 2.0,
    "PO4": 1.6,
    "SiOH4": 25.58,
    "NO3_NO2": 13.41,
    "NO2": 0.03,
    "NH4": 0.67,
    "NO3": 13.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9621, 60.0922] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "HE9",
    "water_depth": 128,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0506",
    "depth": 10.0,
    "PO4": 1.65,
    "SiOH4": 25.51,
    "NO3_NO2": 13.51,
    "NO2": 0.03,
    "NH4": 0.45,
    "NO3": 13.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9621, 60.0922] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "HE9",
    "water_depth": 128,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0506",
    "depth": 20.0,
    "PO4": 1.64,
    "SiOH4": 25.64,
    "NO3_NO2": 13.56,
    "NO2": 0.03,
    "NH4": 0.41,
    "NO3": 13.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9621, 60.0922] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "HE9",
    "water_depth": 128,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0506",
    "depth": 30.0,
    "PO4": 1.63,
    "SiOH4": 25.7,
    "NO3_NO2": 13.6,
    "NO2": 0.03,
    "NH4": 0.41,
    "NO3": 13.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9621, 60.0922] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "HE9",
    "water_depth": 128,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0506",
    "depth": 40.0,
    "PO4": 1.61,
    "SiOH4": 25.83,
    "NO3_NO2": 13.59,
    "NO2": 0.06,
    "NH4": 0.19,
    "NO3": 13.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9621, 60.0922] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "HE9",
    "water_depth": 128,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0506",
    "depth": 50.0,
    "PO4": 1.61,
    "SiOH4": 26.1,
    "NO3_NO2": 13.64,
    "NO2": 0.06,
    "NH4": 0.41,
    "NO3": 13.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9621, 60.0922] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "HE9",
    "water_depth": 128,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0506",
    "depth": 73.0,
    "PO4": 1.63,
    "SiOH4": 25.76,
    "NO3_NO2": 13.62,
    "NO2": 0.06,
    "NH4": 0.22,
    "NO3": 13.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9621, 60.0922] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "HE9",
    "water_depth": 128,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0506",
    "depth": 99.0,
    "PO4": 1.64,
    "SiOH4": 26.36,
    "NO3_NO2": 13.9,
    "NO2": 0.06,
    "NH4": 0.41,
    "NO3": 13.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9621, 60.0922] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "HE9",
    "water_depth": 128,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0506",
    "depth": 124.0,
    "PO4": 1.65,
    "SiOH4": 26.09,
    "NO3_NO2": 13.6,
    "NO2": 0.06,
    "NH4": 0.51,
    "NO3": 13.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9621, 60.0922] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "HE9",
    "water_depth": 128,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0506",
    "depth": 144.0,
    "PO4": 1.66,
    "SiOH4": 26.02,
    "NO3_NO2": 13.65,
    "NO2": 0.06,
    "NH4": 0.41,
    "NO3": 13.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0508, 60.109] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "HE10",
    "water_depth": 277,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0538",
    "depth": 2.0,
    "PO4": 1.53,
    "SiOH4": 26.28,
    "NO3_NO2": 13.23,
    "NO2": 0.08,
    "NH4": 0.06,
    "NO3": 13.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0508, 60.109] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "HE10",
    "water_depth": 277,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0538",
    "depth": 11.0,
    "PO4": 1.57,
    "SiOH4": 26.48,
    "NO3_NO2": 13.21,
    "NO2": 0.08,
    "NH4": 0.48,
    "NO3": 13.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0508, 60.109] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "HE10",
    "water_depth": 277,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0538",
    "depth": 19.0,
    "PO4": 1.53,
    "SiOH4": 26.47,
    "NO3_NO2": 13.2,
    "NO2": 0.08,
    "NH4": 0.32,
    "NO3": 13.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0508, 60.109] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "HE10",
    "water_depth": 277,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0538",
    "depth": 31.0,
    "PO4": 1.56,
    "SiOH4": 27.6,
    "NO3_NO2": 13.13,
    "NO2": 0.08,
    "NH4": 0.25,
    "NO3": 13.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0508, 60.109] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "HE10",
    "water_depth": 277,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0538",
    "depth": 39.0,
    "PO4": 1.58,
    "SiOH4": 27.6,
    "NO3_NO2": 13.06,
    "NO2": 0.08,
    "NH4": 0.16,
    "NO3": 12.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0508, 60.109] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "HE10",
    "water_depth": 277,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0538",
    "depth": 50.0,
    "PO4": 1.53,
    "SiOH4": 27.46,
    "NO3_NO2": 12.99,
    "NO2": 0.08,
    "NH4": 0.35,
    "NO3": 12.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0508, 60.109] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "HE10",
    "water_depth": 277,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0538",
    "depth": 74.0,
    "PO4": 1.52,
    "SiOH4": 27.46,
    "NO3_NO2": 12.98,
    "NO2": 0.08,
    "NH4": 0.32,
    "NO3": 12.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0508, 60.109] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "HE10",
    "water_depth": 277,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0538",
    "depth": 101.0,
    "PO4": 1.52,
    "SiOH4": 27.32,
    "NO3_NO2": 12.91,
    "NO2": 0.08,
    "NH4": 0.25,
    "NO3": 12.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0508, 60.109] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "HE10",
    "water_depth": 277,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0538",
    "depth": 126.0,
    "PO4": 1.52,
    "SiOH4": 26.86,
    "NO3_NO2": 12.9,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 12.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0508, 60.109] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "HE10",
    "water_depth": 277,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0538",
    "depth": 149.0,
    "PO4": 1.51,
    "SiOH4": 26.92,
    "NO3_NO2": 12.83,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 12.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0508, 60.109] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "HE10",
    "water_depth": 277,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0538",
    "depth": 200.0,
    "PO4": 1.57,
    "SiOH4": 27.32,
    "NO3_NO2": 12.99,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 12.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0508, 60.109] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "HE10",
    "water_depth": 277,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0538",
    "depth": 266.0,
    "PO4": 1.91,
    "SiOH4": 27.38,
    "NO3_NO2": 13.44,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 13.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1358, 60.1288] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 102,
    "stn_id": "HE11",
    "water_depth": 216,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0613",
    "depth": 2.0,
    "PO4": 1.63,
    "SiOH4": 27.91,
    "NO3_NO2": 11.71,
    "NO2": 0.06,
    "NH4": 0.41,
    "NO3": 11.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1358, 60.1288] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 102,
    "stn_id": "HE11",
    "water_depth": 216,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0613",
    "depth": 10.0,
    "PO4": 1.67,
    "SiOH4": 27.81,
    "NO3_NO2": 11.83,
    "NO2": 0.08,
    "NH4": 0.45,
    "NO3": 11.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1358, 60.1288] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 102,
    "stn_id": "HE11",
    "water_depth": 216,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0613",
    "depth": 21.0,
    "PO4": 1.7,
    "SiOH4": 27.64,
    "NO3_NO2": 11.95,
    "NO2": 0.08,
    "NH4": 0.38,
    "NO3": 11.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1358, 60.1288] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 102,
    "stn_id": "HE11",
    "water_depth": 216,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0613",
    "depth": 30.0,
    "PO4": 1.74,
    "SiOH4": 27.61,
    "NO3_NO2": 12.06,
    "NO2": 0.08,
    "NH4": 0.38,
    "NO3": 11.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1358, 60.1288] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 102,
    "stn_id": "HE11",
    "water_depth": 216,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0613",
    "depth": 40.0,
    "PO4": 1.77,
    "SiOH4": 27.64,
    "NO3_NO2": 12.06,
    "NO2": 0.11,
    "NH4": 0.32,
    "NO3": 11.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1358, 60.1288] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 102,
    "stn_id": "HE11",
    "water_depth": 216,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0613",
    "depth": 51.0,
    "PO4": 1.78,
    "SiOH4": 27.41,
    "NO3_NO2": 12.12,
    "NO2": 0.11,
    "NH4": 0.32,
    "NO3": 12.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1358, 60.1288] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 102,
    "stn_id": "HE11",
    "water_depth": 216,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0613",
    "depth": 76.0,
    "PO4": 1.79,
    "SiOH4": 26.71,
    "NO3_NO2": 12.05,
    "NO2": 0.11,
    "NH4": 0.19,
    "NO3": 11.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1358, 60.1288] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 102,
    "stn_id": "HE11",
    "water_depth": 216,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0613",
    "depth": 100.0,
    "PO4": 1.82,
    "SiOH4": 26.48,
    "NO3_NO2": 12.04,
    "NO2": 0.11,
    "NH4": 0.25,
    "NO3": 11.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1358, 60.1288] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 102,
    "stn_id": "HE11",
    "water_depth": 216,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0613",
    "depth": 126.0,
    "PO4": 1.82,
    "SiOH4": 26.25,
    "NO3_NO2": 11.91,
    "NO2": 0.08,
    "NH4": 0.19,
    "NO3": 11.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1358, 60.1288] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 102,
    "stn_id": "HE11",
    "water_depth": 216,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0613",
    "depth": 151.0,
    "PO4": 1.83,
    "SiOH4": 26.02,
    "NO3_NO2": 11.97,
    "NO2": 0.08,
    "NH4": 0.06,
    "NO3": 11.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1358, 60.1288] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 102,
    "stn_id": "HE11",
    "water_depth": 216,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0613",
    "depth": 200.0,
    "PO4": 1.9,
    "SiOH4": 25.65,
    "NO3_NO2": 11.97,
    "NO2": 0.08,
    "NH4": 0.19,
    "NO3": 11.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1358, 60.1288] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 102,
    "stn_id": "HE11",
    "water_depth": 216,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0613",
    "depth": 211.0,
    "PO4": 1.95,
    "SiOH4": 25.95,
    "NO3_NO2": 12.08,
    "NO2": 0.11,
    "NH4": 0.45,
    "NO3": 11.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1954, 60.1417] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 103,
    "stn_id": "HE12",
    "water_depth": 176,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0641",
    "depth": 2.0,
    "PO4": null,
    "SiOH4": 27.24,
    "NO3_NO2": 11.65,
    "NO2": 0.08,
    "NH4": 0.41,
    "NO3": 11.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1954, 60.1417] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 103,
    "stn_id": "HE12",
    "water_depth": 176,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0641",
    "depth": 10.0,
    "PO4": null,
    "SiOH4": 27.28,
    "NO3_NO2": 11.76,
    "NO2": 0.08,
    "NH4": 0.41,
    "NO3": 11.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1954, 60.1417] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 103,
    "stn_id": "HE12",
    "water_depth": 176,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0641",
    "depth": 20.0,
    "PO4": null,
    "SiOH4": 27.24,
    "NO3_NO2": 11.76,
    "NO2": 0.08,
    "NH4": 0.25,
    "NO3": 11.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1954, 60.1417] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 103,
    "stn_id": "HE12",
    "water_depth": 176,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0641",
    "depth": 32.0,
    "PO4": null,
    "SiOH4": 27.21,
    "NO3_NO2": 11.69,
    "NO2": 0.08,
    "NH4": 0.22,
    "NO3": 11.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1954, 60.1417] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 103,
    "stn_id": "HE12",
    "water_depth": 176,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0641",
    "depth": 42.0,
    "PO4": null,
    "SiOH4": 27.18,
    "NO3_NO2": 11.69,
    "NO2": 0.11,
    "NH4": 0.48,
    "NO3": 11.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1954, 60.1417] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 103,
    "stn_id": "HE12",
    "water_depth": 176,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0641",
    "depth": 50.0,
    "PO4": 0.62,
    "SiOH4": 27.21,
    "NO3_NO2": 11.62,
    "NO2": 0.11,
    "NH4": 0.32,
    "NO3": 11.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1954, 60.1417] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 103,
    "stn_id": "HE12",
    "water_depth": 176,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0641",
    "depth": 75.0,
    "PO4": 0.61,
    "SiOH4": 27.05,
    "NO3_NO2": 11.61,
    "NO2": 0.11,
    "NH4": 0.32,
    "NO3": 11.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1954, 60.1417] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 103,
    "stn_id": "HE12",
    "water_depth": 176,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0641",
    "depth": 102.0,
    "PO4": 0.59,
    "SiOH4": 26.75,
    "NO3_NO2": 11.61,
    "NO2": 0.08,
    "NH4": 0.32,
    "NO3": 11.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1954, 60.1417] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 103,
    "stn_id": "HE12",
    "water_depth": 176,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0641",
    "depth": 122.0,
    "PO4": 0.62,
    "SiOH4": 26.71,
    "NO3_NO2": 11.6,
    "NO2": 0.08,
    "NH4": 0.32,
    "NO3": 11.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1954, 60.1417] },
  "properties": {
    "cruise_id": "HX239",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 103,
    "stn_id": "HE12",
    "water_depth": 176,
    "month_gmt": "3",
    "day_gmt": "13",
    "time_gmt": "0641",
    "depth": 145.0,
    "PO4": 0.64,
    "SiOH4": 26.55,
    "NO3_NO2": 11.54,
    "NO2": 0.08,
    "NH4": 0.32,
    "NO3": 11.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3579, 60.026] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1851",
    "depth": 1.0,
    "PO4": 1.26,
    "SiOH4": 24.53,
    "NO3_NO2": 13.2,
    "NO2": 0.12,
    "NH4": null,
    "NO3": 13.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3579, 60.026] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1851",
    "depth": 10.0,
    "PO4": 1.3,
    "SiOH4": 24.59,
    "NO3_NO2": 13.54,
    "NO2": 0.21,
    "NH4": null,
    "NO3": 13.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3579, 60.026] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1851",
    "depth": 20.0,
    "PO4": 1.31,
    "SiOH4": 24.88,
    "NO3_NO2": 13.83,
    "NO2": 0.29,
    "NH4": null,
    "NO3": 13.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3579, 60.026] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1851",
    "depth": 29.0,
    "PO4": 1.36,
    "SiOH4": 25.41,
    "NO3_NO2": 14.46,
    "NO2": 0.29,
    "NH4": null,
    "NO3": 14.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3579, 60.026] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1851",
    "depth": 40.0,
    "PO4": 1.38,
    "SiOH4": 25.59,
    "NO3_NO2": 14.98,
    "NO2": 0.32,
    "NH4": null,
    "NO3": 14.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3579, 60.026] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1851",
    "depth": 50.0,
    "PO4": 1.4,
    "SiOH4": 25.59,
    "NO3_NO2": 15.49,
    "NO2": 0.65,
    "NH4": null,
    "NO3": 14.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3579, 60.026] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1851",
    "depth": 74.0,
    "PO4": 1.44,
    "SiOH4": 26.0,
    "NO3_NO2": 16.13,
    "NO2": 0.24,
    "NH4": null,
    "NO3": 15.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3579, 60.026] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1851",
    "depth": 99.0,
    "PO4": 1.42,
    "SiOH4": 26.53,
    "NO3_NO2": 16.82,
    "NO2": 0.27,
    "NH4": null,
    "NO3": 16.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3579, 60.026] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1851",
    "depth": 148.0,
    "PO4": 1.45,
    "SiOH4": 26.82,
    "NO3_NO2": 17.45,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 17.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3579, 60.026] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1851",
    "depth": 198.0,
    "PO4": 1.6,
    "SiOH4": 27.98,
    "NO3_NO2": 18.83,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 18.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3579, 60.026] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1851",
    "depth": 248.0,
    "PO4": 1.79,
    "SiOH4": 28.96,
    "NO3_NO2": 20.73,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 20.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3579, 60.026] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "4",
    "day_gmt": "03",
    "time_gmt": "1851",
    "depth": 291.0,
    "PO4": 2.28,
    "SiOH4": 40.39,
    "NO3_NO2": 24.36,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 24.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4696, 59.8469] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "0024",
    "depth": 2.0,
    "PO4": 1.21,
    "SiOH4": 23.63,
    "NO3_NO2": 14.9,
    "NO2": 0.12,
    "NH4": null,
    "NO3": 14.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4696, 59.8469] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "0024",
    "depth": 10.0,
    "PO4": 1.25,
    "SiOH4": 23.64,
    "NO3_NO2": 15.01,
    "NO2": 0.18,
    "NH4": null,
    "NO3": 14.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4696, 59.8469] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "0024",
    "depth": 20.0,
    "PO4": 1.25,
    "SiOH4": 23.19,
    "NO3_NO2": 15.07,
    "NO2": 0.14,
    "NH4": null,
    "NO3": 14.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4696, 59.8469] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "0024",
    "depth": 28.0,
    "PO4": 1.29,
    "SiOH4": 23.08,
    "NO3_NO2": 15.36,
    "NO2": 0.17,
    "NH4": null,
    "NO3": 15.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4696, 59.8469] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "0024",
    "depth": 40.0,
    "PO4": 1.3,
    "SiOH4": 23.54,
    "NO3_NO2": 15.58,
    "NO2": 0.13,
    "NH4": null,
    "NO3": 15.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4696, 59.8469] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "0024",
    "depth": 50.0,
    "PO4": 1.31,
    "SiOH4": 23.55,
    "NO3_NO2": 15.81,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 15.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4696, 59.8469] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "0024",
    "depth": 74.0,
    "PO4": 1.32,
    "SiOH4": 24.02,
    "NO3_NO2": 16.16,
    "NO2": 0.15,
    "NH4": null,
    "NO3": 16.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4696, 59.8469] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "0024",
    "depth": 100.0,
    "PO4": 1.42,
    "SiOH4": 25.35,
    "NO3_NO2": 17.48,
    "NO2": 0.15,
    "NH4": null,
    "NO3": 17.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4696, 59.8469] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "0024",
    "depth": 147.0,
    "PO4": 1.47,
    "SiOH4": 26.21,
    "NO3_NO2": 18.4,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 18.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4696, 59.8469] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "0024",
    "depth": 200.0,
    "PO4": 1.49,
    "SiOH4": 26.79,
    "NO3_NO2": 19.38,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 19.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4696, 59.8469] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "0024",
    "depth": 223.0,
    "PO4": 1.47,
    "SiOH4": 25.65,
    "NO3_NO2": 19.55,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 19.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4696, 59.8469] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "0024",
    "depth": 260.0,
    "PO4": 1.64,
    "SiOH4": 27.38,
    "NO3_NO2": 20.7,
    "NO2": 0.0,
    "NH4": null,
    "NO3": 20.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3984, 59.766] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 10,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "0357",
    "depth": 1.0,
    "PO4": 1.35,
    "SiOH4": 23.01,
    "NO3_NO2": 15.22,
    "NO2": 0.21,
    "NH4": null,
    "NO3": 15.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3984, 59.766] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 10,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "0357",
    "depth": 11.0,
    "PO4": 1.26,
    "SiOH4": 22.66,
    "NO3_NO2": 15.22,
    "NO2": 0.12,
    "NH4": null,
    "NO3": 15.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3984, 59.766] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 10,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "0357",
    "depth": 23.0,
    "PO4": 1.38,
    "SiOH4": 23.86,
    "NO3_NO2": 16.49,
    "NO2": 0.12,
    "NH4": null,
    "NO3": 16.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3984, 59.766] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 10,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "0357",
    "depth": 31.0,
    "PO4": 1.4,
    "SiOH4": 23.91,
    "NO3_NO2": 16.66,
    "NO2": 0.12,
    "NH4": null,
    "NO3": 16.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3984, 59.766] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 10,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "0357",
    "depth": 39.0,
    "PO4": 1.41,
    "SiOH4": 24.3,
    "NO3_NO2": 16.95,
    "NO2": 0.21,
    "NH4": null,
    "NO3": 16.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3984, 59.766] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 10,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "0357",
    "depth": 51.0,
    "PO4": 1.4,
    "SiOH4": 24.64,
    "NO3_NO2": 17.06,
    "NO2": 0.18,
    "NH4": null,
    "NO3": 16.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3984, 59.766] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 10,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "0357",
    "depth": 76.0,
    "PO4": 1.52,
    "SiOH4": 26.53,
    "NO3_NO2": 18.28,
    "NO2": 0.14,
    "NH4": null,
    "NO3": 18.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3984, 59.766] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 10,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "0357",
    "depth": 99.0,
    "PO4": 1.48,
    "SiOH4": 26.64,
    "NO3_NO2": 18.39,
    "NO2": 0.17,
    "NH4": null,
    "NO3": 18.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3984, 59.766] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 10,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "0357",
    "depth": 146.0,
    "PO4": 1.51,
    "SiOH4": 25.82,
    "NO3_NO2": 18.68,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 18.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3984, 59.766] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 10,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "0357",
    "depth": 195.0,
    "PO4": 1.53,
    "SiOH4": 25.87,
    "NO3_NO2": 18.91,
    "NO2": 0.02,
    "NH4": null,
    "NO3": 18.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3984, 59.766] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 10,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "0357",
    "depth": 218.0,
    "PO4": 1.6,
    "SiOH4": 25.41,
    "NO3_NO2": 19.43,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 19.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3984, 59.766] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 10,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "0357",
    "depth": 251.0,
    "PO4": 1.69,
    "SiOH4": 27.47,
    "NO3_NO2": 20.64,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 20.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3312, 59.6921] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 11,
    "stn_id": "GAK2",
    "water_depth": 231,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "0550",
    "depth": 1.0,
    "PO4": 1.4,
    "SiOH4": 25.45,
    "NO3_NO2": 18.1,
    "NO2": 0.17,
    "NH4": null,
    "NO3": 17.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3312, 59.6921] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 11,
    "stn_id": "GAK2",
    "water_depth": 231,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "0550",
    "depth": 12.0,
    "PO4": 1.46,
    "SiOH4": 25.16,
    "NO3_NO2": 18.22,
    "NO2": 0.17,
    "NH4": null,
    "NO3": 18.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3312, 59.6921] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 11,
    "stn_id": "GAK2",
    "water_depth": 231,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "0550",
    "depth": 23.0,
    "PO4": 1.47,
    "SiOH4": 25.04,
    "NO3_NO2": 18.51,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 18.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3312, 59.6921] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 11,
    "stn_id": "GAK2",
    "water_depth": 231,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "0550",
    "depth": 30.0,
    "PO4": 1.48,
    "SiOH4": 24.86,
    "NO3_NO2": 18.56,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 18.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3312, 59.6921] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 11,
    "stn_id": "GAK2",
    "water_depth": 231,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "0550",
    "depth": 43.0,
    "PO4": 1.49,
    "SiOH4": 24.79,
    "NO3_NO2": 18.62,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 18.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3312, 59.6921] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 11,
    "stn_id": "GAK2",
    "water_depth": 231,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "0550",
    "depth": 51.0,
    "PO4": 1.51,
    "SiOH4": 24.09,
    "NO3_NO2": 18.68,
    "NO2": 0.13,
    "NH4": 0.0,
    "NO3": 18.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3312, 59.6921] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 11,
    "stn_id": "GAK2",
    "water_depth": 231,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "0550",
    "depth": 75.0,
    "PO4": 1.5,
    "SiOH4": 23.51,
    "NO3_NO2": 18.62,
    "NO2": 0.13,
    "NH4": 0.0,
    "NO3": 18.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3312, 59.6921] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 11,
    "stn_id": "GAK2",
    "water_depth": 231,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "0550",
    "depth": 101.0,
    "PO4": 1.47,
    "SiOH4": 22.7,
    "NO3_NO2": 18.33,
    "NO2": 0.13,
    "NH4": 0.04,
    "NO3": 18.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3312, 59.6921] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 11,
    "stn_id": "GAK2",
    "water_depth": 231,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "0550",
    "depth": 151.0,
    "PO4": 1.51,
    "SiOH4": 23.76,
    "NO3_NO2": 18.85,
    "NO2": 0.06,
    "NH4": 0.13,
    "NO3": 18.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3312, 59.6921] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 11,
    "stn_id": "GAK2",
    "water_depth": 231,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "0550",
    "depth": 224.0,
    "PO4": 1.56,
    "SiOH4": 23.68,
    "NO3_NO2": 19.43,
    "NO2": 0.0,
    "NH4": 0.19,
    "NO3": 19.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4684, 59.8459] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 12,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "1752",
    "depth": 2.0,
    "PO4": 1.39,
    "SiOH4": 20.06,
    "NO3_NO2": 15.95,
    "NO2": 0.23,
    "NH4": null,
    "NO3": 15.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4684, 59.8459] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 12,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "1752",
    "depth": 5.0,
    "PO4": 1.3,
    "SiOH4": 20.07,
    "NO3_NO2": 15.94,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 15.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4684, 59.8459] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 12,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "1752",
    "depth": 8.0,
    "PO4": 1.29,
    "SiOH4": 20.02,
    "NO3_NO2": 16.11,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 15.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4684, 59.8459] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 12,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "1752",
    "depth": 16.0,
    "PO4": 1.28,
    "SiOH4": 20.2,
    "NO3_NO2": 16.16,
    "NO2": 0.18,
    "NH4": null,
    "NO3": 15.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4684, 59.8459] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 12,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "1752",
    "depth": 23.0,
    "PO4": 1.28,
    "SiOH4": 20.38,
    "NO3_NO2": 16.21,
    "NO2": 0.17,
    "NH4": null,
    "NO3": 16.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4684, 59.8459] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 12,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "4",
    "day_gmt": "04",
    "time_gmt": "1752",
    "depth": 33.0,
    "PO4": 1.28,
    "SiOH4": 20.56,
    "NO3_NO2": 16.2,
    "NO2": 0.16,
    "NH4": null,
    "NO3": 16.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2549, 59.6271] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 14,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0054",
    "depth": 5.0,
    "PO4": 1.42,
    "SiOH4": 23.96,
    "NO3_NO2": 19.01,
    "NO2": 0.09,
    "NH4": null,
    "NO3": 18.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2549, 59.6271] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 14,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0054",
    "depth": 10.0,
    "PO4": 1.42,
    "SiOH4": 23.91,
    "NO3_NO2": 18.95,
    "NO2": 0.12,
    "NH4": null,
    "NO3": 18.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2549, 59.6271] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 14,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0054",
    "depth": 19.0,
    "PO4": 1.41,
    "SiOH4": 23.97,
    "NO3_NO2": 19.0,
    "NO2": 0.14,
    "NH4": null,
    "NO3": 18.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2549, 59.6271] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 14,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0054",
    "depth": 30.0,
    "PO4": 1.4,
    "SiOH4": 23.92,
    "NO3_NO2": 18.87,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 18.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2549, 59.6271] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 14,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0054",
    "depth": 40.0,
    "PO4": 1.42,
    "SiOH4": 23.88,
    "NO3_NO2": 18.92,
    "NO2": 0.09,
    "NH4": null,
    "NO3": 18.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2549, 59.6271] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 14,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0054",
    "depth": 49.0,
    "PO4": 1.44,
    "SiOH4": 23.77,
    "NO3_NO2": 19.14,
    "NO2": 0.09,
    "NH4": null,
    "NO3": 19.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2549, 59.6271] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 14,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0054",
    "depth": 74.0,
    "PO4": 1.48,
    "SiOH4": 23.55,
    "NO3_NO2": 19.13,
    "NO2": 0.05,
    "NH4": null,
    "NO3": 19.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2549, 59.6271] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 14,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0054",
    "depth": 99.0,
    "PO4": 1.45,
    "SiOH4": 23.27,
    "NO3_NO2": 19.01,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 18.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2549, 59.6271] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 14,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0054",
    "depth": 122.0,
    "PO4": 1.46,
    "SiOH4": 23.39,
    "NO3_NO2": 19.0,
    "NO2": 0.09,
    "NH4": null,
    "NO3": 18.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2549, 59.6271] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 14,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0054",
    "depth": 147.0,
    "PO4": 1.53,
    "SiOH4": 23.98,
    "NO3_NO2": 19.4,
    "NO2": 0.09,
    "NH4": null,
    "NO3": 19.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2549, 59.6271] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 14,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0054",
    "depth": 173.0,
    "PO4": 1.58,
    "SiOH4": 25.19,
    "NO3_NO2": 20.08,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 20.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2549, 59.6271] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 14,
    "stn_id": "GAK2I",
    "water_depth": 212,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0054",
    "depth": 200.0,
    "PO4": 1.61,
    "SiOH4": 25.66,
    "NO3_NO2": 20.42,
    "NO2": 0.01,
    "NH4": null,
    "NO3": 20.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1821, 59.5526] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 15,
    "stn_id": "GAK3",
    "water_depth": 211,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0211",
    "depth": 2.0,
    "PO4": 1.51,
    "SiOH4": 25.3,
    "NO3_NO2": 18.27,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 18.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1821, 59.5526] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 15,
    "stn_id": "GAK3",
    "water_depth": 211,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0211",
    "depth": 9.0,
    "PO4": 1.47,
    "SiOH4": 25.32,
    "NO3_NO2": 18.38,
    "NO2": 0.09,
    "NH4": null,
    "NO3": 18.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1821, 59.5526] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 15,
    "stn_id": "GAK3",
    "water_depth": 211,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0211",
    "depth": 18.0,
    "PO4": 1.48,
    "SiOH4": 25.39,
    "NO3_NO2": 18.43,
    "NO2": 0.09,
    "NH4": null,
    "NO3": 18.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1821, 59.5526] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 15,
    "stn_id": "GAK3",
    "water_depth": 211,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0211",
    "depth": 30.0,
    "PO4": 1.46,
    "SiOH4": 25.01,
    "NO3_NO2": 18.31,
    "NO2": 0.12,
    "NH4": null,
    "NO3": 18.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1821, 59.5526] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 15,
    "stn_id": "GAK3",
    "water_depth": 211,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0211",
    "depth": 38.0,
    "PO4": 1.47,
    "SiOH4": 24.91,
    "NO3_NO2": 18.42,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 18.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1821, 59.5526] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 15,
    "stn_id": "GAK3",
    "water_depth": 211,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0211",
    "depth": 47.0,
    "PO4": 1.51,
    "SiOH4": 24.99,
    "NO3_NO2": 18.7,
    "NO2": 0.22,
    "NH4": null,
    "NO3": 18.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1821, 59.5526] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 15,
    "stn_id": "GAK3",
    "water_depth": 211,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0211",
    "depth": 71.0,
    "PO4": 1.51,
    "SiOH4": 24.31,
    "NO3_NO2": 18.75,
    "NO2": 0.12,
    "NH4": null,
    "NO3": 18.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1821, 59.5526] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 15,
    "stn_id": "GAK3",
    "water_depth": 211,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0211",
    "depth": 92.0,
    "PO4": 1.51,
    "SiOH4": 24.39,
    "NO3_NO2": 19.09,
    "NO2": 0.12,
    "NH4": null,
    "NO3": 18.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1821, 59.5526] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 15,
    "stn_id": "GAK3",
    "water_depth": 211,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0211",
    "depth": 117.0,
    "PO4": 1.55,
    "SiOH4": 24.46,
    "NO3_NO2": 19.49,
    "NO2": 0.09,
    "NH4": null,
    "NO3": 19.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1821, 59.5526] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 15,
    "stn_id": "GAK3",
    "water_depth": 211,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0211",
    "depth": 144.0,
    "PO4": 1.59,
    "SiOH4": 25.23,
    "NO3_NO2": 20.12,
    "NO2": 0.09,
    "NH4": null,
    "NO3": 20.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1821, 59.5526] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 15,
    "stn_id": "GAK3",
    "water_depth": 211,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0211",
    "depth": 200.0,
    "PO4": 1.68,
    "SiOH4": 26.68,
    "NO3_NO2": 20.87,
    "NO2": 0.09,
    "NH4": null,
    "NO3": 20.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.116, 59.4819] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 16,
    "stn_id": "GAK3I",
    "water_depth": 203,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0320",
    "depth": 1.0,
    "PO4": 1.39,
    "SiOH4": 25.78,
    "NO3_NO2": 18.38,
    "NO2": 0.15,
    "NH4": null,
    "NO3": 18.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.116, 59.4819] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 16,
    "stn_id": "GAK3I",
    "water_depth": 203,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0320",
    "depth": 13.0,
    "PO4": 1.41,
    "SiOH4": 25.68,
    "NO3_NO2": 18.38,
    "NO2": 0.15,
    "NH4": null,
    "NO3": 18.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.116, 59.4819] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 16,
    "stn_id": "GAK3I",
    "water_depth": 203,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0320",
    "depth": 21.0,
    "PO4": 1.43,
    "SiOH4": 25.64,
    "NO3_NO2": 18.32,
    "NO2": 0.12,
    "NH4": null,
    "NO3": 18.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.116, 59.4819] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 16,
    "stn_id": "GAK3I",
    "water_depth": 203,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0320",
    "depth": 33.0,
    "PO4": 1.46,
    "SiOH4": 25.43,
    "NO3_NO2": 18.6,
    "NO2": 0.15,
    "NH4": null,
    "NO3": 18.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.116, 59.4819] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 16,
    "stn_id": "GAK3I",
    "water_depth": 203,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0320",
    "depth": 42.0,
    "PO4": 1.49,
    "SiOH4": 25.39,
    "NO3_NO2": 19.05,
    "NO2": 0.15,
    "NH4": null,
    "NO3": 18.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.116, 59.4819] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 16,
    "stn_id": "GAK3I",
    "water_depth": 203,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0320",
    "depth": 51.0,
    "PO4": 1.5,
    "SiOH4": 25.23,
    "NO3_NO2": 19.16,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 18.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.116, 59.4819] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 16,
    "stn_id": "GAK3I",
    "water_depth": 203,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0320",
    "depth": 76.0,
    "PO4": 1.48,
    "SiOH4": 24.45,
    "NO3_NO2": 19.04,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 18.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.116, 59.4819] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 16,
    "stn_id": "GAK3I",
    "water_depth": 203,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0320",
    "depth": 94.0,
    "PO4": 1.48,
    "SiOH4": 24.93,
    "NO3_NO2": 18.75,
    "NO2": 0.19,
    "NH4": null,
    "NO3": 18.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.116, 59.4819] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 16,
    "stn_id": "GAK3I",
    "water_depth": 203,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0320",
    "depth": 157.0,
    "PO4": 1.48,
    "SiOH4": 24.54,
    "NO3_NO2": 19.03,
    "NO2": 0.15,
    "NH4": null,
    "NO3": 18.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.116, 59.4819] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 16,
    "stn_id": "GAK3I",
    "water_depth": 203,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "0320",
    "depth": 192.0,
    "PO4": 1.54,
    "SiOH4": 25.13,
    "NO3_NO2": 19.61,
    "NO2": 0.06,
    "NH4": null,
    "NO3": 19.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0442, 59.4092] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 17,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1551",
    "depth": 2.0,
    "PO4": 1.47,
    "SiOH4": 24.57,
    "NO3_NO2": 18.21,
    "NO2": 0.13,
    "NH4": null,
    "NO3": 18.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0442, 59.4092] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 17,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1551",
    "depth": 9.0,
    "PO4": 1.57,
    "SiOH4": 24.57,
    "NO3_NO2": 18.27,
    "NO2": 0.13,
    "NH4": null,
    "NO3": 18.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0442, 59.4092] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 17,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1551",
    "depth": 19.0,
    "PO4": 1.62,
    "SiOH4": 24.39,
    "NO3_NO2": 18.27,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 18.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0442, 59.4092] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 17,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1551",
    "depth": 29.0,
    "PO4": 1.62,
    "SiOH4": 24.39,
    "NO3_NO2": 18.32,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 18.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0442, 59.4092] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 17,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1551",
    "depth": 40.0,
    "PO4": 1.64,
    "SiOH4": 24.39,
    "NO3_NO2": 18.89,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 18.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0442, 59.4092] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 17,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1551",
    "depth": 49.0,
    "PO4": 1.72,
    "SiOH4": 24.39,
    "NO3_NO2": 19.01,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 18.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0442, 59.4092] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 17,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1551",
    "depth": 74.0,
    "PO4": 1.72,
    "SiOH4": 24.28,
    "NO3_NO2": 19.06,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 18.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0442, 59.4092] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 17,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1551",
    "depth": 101.0,
    "PO4": 1.72,
    "SiOH4": 23.64,
    "NO3_NO2": 19.06,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 18.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0442, 59.4092] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 17,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1551",
    "depth": 126.0,
    "PO4": 1.73,
    "SiOH4": 23.23,
    "NO3_NO2": 18.77,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 18.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0442, 59.4092] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 17,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1551",
    "depth": 150.0,
    "PO4": 1.74,
    "SiOH4": 22.88,
    "NO3_NO2": 18.53,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 18.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0442, 59.4092] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 17,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1551",
    "depth": 175.0,
    "PO4": 1.73,
    "SiOH4": 22.3,
    "NO3_NO2": 18.47,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 18.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0442, 59.4092] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 17,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1551",
    "depth": 192.0,
    "PO4": 1.79,
    "SiOH4": 22.12,
    "NO3_NO2": 18.93,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 18.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.038, 59.4083] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 18,
    "stn_id": "GAK4",
    "water_depth": 199,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1629",
    "depth": 2.0,
    "PO4": 1.44,
    "SiOH4": 22.76,
    "NO3_NO2": 18.01,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 17.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.038, 59.4083] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 18,
    "stn_id": "GAK4",
    "water_depth": 199,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1629",
    "depth": 6.0,
    "PO4": 1.42,
    "SiOH4": 23.11,
    "NO3_NO2": 18.12,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 18.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.038, 59.4083] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 18,
    "stn_id": "GAK4",
    "water_depth": 199,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1629",
    "depth": 10.0,
    "PO4": 1.49,
    "SiOH4": 23.17,
    "NO3_NO2": 18.11,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 18.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.038, 59.4083] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 18,
    "stn_id": "GAK4",
    "water_depth": 199,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1629",
    "depth": 18.0,
    "PO4": 1.57,
    "SiOH4": 23.17,
    "NO3_NO2": 18.11,
    "NO2": 0.1,
    "NH4": null,
    "NO3": 18.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.038, 59.4083] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 18,
    "stn_id": "GAK4",
    "water_depth": 199,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1629",
    "depth": 27.0,
    "PO4": 1.54,
    "SiOH4": 23.23,
    "NO3_NO2": 18.28,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 18.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.038, 59.4083] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 18,
    "stn_id": "GAK4",
    "water_depth": 199,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1629",
    "depth": 40.0,
    "PO4": 1.63,
    "SiOH4": 23.64,
    "NO3_NO2": 18.85,
    "NO2": 0.08,
    "NH4": null,
    "NO3": 18.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9788, 59.3333] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "GAK4I",
    "water_depth": 197,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1721",
    "depth": 2.0,
    "PO4": 1.44,
    "SiOH4": null,
    "NO3_NO2": 17.1,
    "NO2": 0.03,
    "NH4": 0.22,
    "NO3": 17.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9788, 59.3333] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "GAK4I",
    "water_depth": 197,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1721",
    "depth": 10.0,
    "PO4": 1.46,
    "SiOH4": 19.37,
    "NO3_NO2": 17.16,
    "NO2": 0.03,
    "NH4": 0.25,
    "NO3": 17.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9788, 59.3333] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "GAK4I",
    "water_depth": 197,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1721",
    "depth": 19.0,
    "PO4": 1.43,
    "SiOH4": 19.96,
    "NO3_NO2": 17.27,
    "NO2": 0.03,
    "NH4": 0.22,
    "NO3": 17.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9788, 59.3333] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "GAK4I",
    "water_depth": 197,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1721",
    "depth": 30.0,
    "PO4": 1.5,
    "SiOH4": 20.09,
    "NO3_NO2": 17.38,
    "NO2": 0.05,
    "NH4": 0.17,
    "NO3": 17.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9788, 59.3333] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "GAK4I",
    "water_depth": 197,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1721",
    "depth": 41.0,
    "PO4": 1.58,
    "SiOH4": 20.09,
    "NO3_NO2": 18.41,
    "NO2": 0.05,
    "NH4": 0.14,
    "NO3": 18.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9788, 59.3333] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "GAK4I",
    "water_depth": 197,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1721",
    "depth": 56.0,
    "PO4": 1.59,
    "SiOH4": 20.09,
    "NO3_NO2": 18.41,
    "NO2": 0.02,
    "NH4": 0.23,
    "NO3": 18.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9788, 59.3333] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "GAK4I",
    "water_depth": 197,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1721",
    "depth": 75.0,
    "PO4": 1.59,
    "SiOH4": 20.67,
    "NO3_NO2": 18.7,
    "NO2": 0.02,
    "NH4": 0.2,
    "NO3": 18.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9788, 59.3333] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "GAK4I",
    "water_depth": 197,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1721",
    "depth": 100.0,
    "PO4": 1.59,
    "SiOH4": 20.28,
    "NO3_NO2": 18.12,
    "NO2": 0.04,
    "NH4": 0.26,
    "NO3": 18.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9788, 59.3333] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "GAK4I",
    "water_depth": 197,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1721",
    "depth": 126.0,
    "PO4": 1.55,
    "SiOH4": 20.28,
    "NO3_NO2": 18.06,
    "NO2": 0.04,
    "NH4": 0.2,
    "NO3": 18.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9788, 59.3333] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "GAK4I",
    "water_depth": 197,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1721",
    "depth": 151.0,
    "PO4": 1.56,
    "SiOH4": 20.28,
    "NO3_NO2": 18.17,
    "NO2": 0.03,
    "NH4": 0.15,
    "NO3": 18.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9788, 59.3333] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "GAK4I",
    "water_depth": 197,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1721",
    "depth": 176.0,
    "PO4": 1.63,
    "SiOH4": 20.67,
    "NO3_NO2": 18.86,
    "NO2": 0.03,
    "NH4": 0.27,
    "NO3": 18.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9788, 59.3333] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "GAK4I",
    "water_depth": 197,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1721",
    "depth": 188.0,
    "PO4": 1.67,
    "SiOH4": 22.3,
    "NO3_NO2": 19.55,
    "NO2": 0.0,
    "NH4": 0.3,
    "NO3": 19.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9067, 59.2622] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 20,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1824",
    "depth": 2.0,
    "PO4": 1.36,
    "SiOH4": 23.66,
    "NO3_NO2": 17.61,
    "NO2": 0.15,
    "NH4": 0.0,
    "NO3": 17.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9067, 59.2622] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 20,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1824",
    "depth": 10.0,
    "PO4": 1.31,
    "SiOH4": 23.69,
    "NO3_NO2": 17.53,
    "NO2": 0.1,
    "NH4": 0.03,
    "NO3": 17.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9067, 59.2622] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 20,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1824",
    "depth": 20.0,
    "PO4": 1.32,
    "SiOH4": 23.66,
    "NO3_NO2": 17.63,
    "NO2": 0.07,
    "NH4": 0.02,
    "NO3": 17.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9067, 59.2622] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 20,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1824",
    "depth": 30.0,
    "PO4": 1.32,
    "SiOH4": 23.5,
    "NO3_NO2": 17.9,
    "NO2": 0.07,
    "NH4": 0.08,
    "NO3": 17.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9067, 59.2622] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 20,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1824",
    "depth": 42.0,
    "PO4": 1.34,
    "SiOH4": 23.14,
    "NO3_NO2": 17.77,
    "NO2": 0.06,
    "NH4": 0.08,
    "NO3": 17.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9067, 59.2622] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 20,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1824",
    "depth": 51.0,
    "PO4": 1.34,
    "SiOH4": 23.11,
    "NO3_NO2": 17.7,
    "NO2": 0.06,
    "NH4": 0.17,
    "NO3": 17.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9067, 59.2622] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 20,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1824",
    "depth": 76.0,
    "PO4": 1.34,
    "SiOH4": 22.56,
    "NO3_NO2": 17.74,
    "NO2": 0.06,
    "NH4": 0.2,
    "NO3": 17.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9067, 59.2622] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 20,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1824",
    "depth": 100.0,
    "PO4": 1.35,
    "SiOH4": 22.26,
    "NO3_NO2": 18.01,
    "NO2": 0.08,
    "NH4": 0.26,
    "NO3": 17.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9067, 59.2622] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 20,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1824",
    "depth": 124.0,
    "PO4": 1.37,
    "SiOH4": 22.95,
    "NO3_NO2": 18.45,
    "NO2": 0.08,
    "NH4": 0.2,
    "NO3": 18.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9067, 59.2622] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 20,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1824",
    "depth": 150.0,
    "PO4": 1.5,
    "SiOH4": 24.34,
    "NO3_NO2": 19.65,
    "NO2": 0.1,
    "NH4": 0.23,
    "NO3": 19.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9067, 59.2622] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 20,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1824",
    "depth": 162.0,
    "PO4": 1.54,
    "SiOH4": 24.9,
    "NO3_NO2": 19.75,
    "NO2": 0.08,
    "NH4": 0.26,
    "NO3": 19.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8391, 59.1896] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 21,
    "stn_id": "GAK5I",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1946",
    "depth": 3.0,
    "PO4": 1.26,
    "SiOH4": 23.69,
    "NO3_NO2": 17.42,
    "NO2": 0.02,
    "NH4": 0.37,
    "NO3": 17.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8391, 59.1896] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 21,
    "stn_id": "GAK5I",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1946",
    "depth": 10.0,
    "PO4": 1.36,
    "SiOH4": 23.6,
    "NO3_NO2": 17.52,
    "NO2": 0.05,
    "NH4": 0.4,
    "NO3": 17.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8391, 59.1896] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 21,
    "stn_id": "GAK5I",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1946",
    "depth": 21.0,
    "PO4": 1.35,
    "SiOH4": 23.56,
    "NO3_NO2": 17.5,
    "NO2": 0.04,
    "NH4": 0.37,
    "NO3": 17.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8391, 59.1896] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 21,
    "stn_id": "GAK5I",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1946",
    "depth": 31.0,
    "PO4": 1.36,
    "SiOH4": 23.53,
    "NO3_NO2": 17.49,
    "NO2": 0.12,
    "NH4": 0.4,
    "NO3": 17.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8391, 59.1896] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 21,
    "stn_id": "GAK5I",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1946",
    "depth": 40.0,
    "PO4": 1.39,
    "SiOH4": 23.5,
    "NO3_NO2": 17.36,
    "NO2": 0.17,
    "NH4": 0.52,
    "NO3": 17.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8391, 59.1896] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 21,
    "stn_id": "GAK5I",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1946",
    "depth": 50.0,
    "PO4": 1.39,
    "SiOH4": 23.47,
    "NO3_NO2": 17.28,
    "NO2": 0.14,
    "NH4": 0.52,
    "NO3": 17.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8391, 59.1896] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 21,
    "stn_id": "GAK5I",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1946",
    "depth": 76.0,
    "PO4": 1.38,
    "SiOH4": 20.83,
    "NO3_NO2": 16.4,
    "NO2": 0.14,
    "NH4": 0.61,
    "NO3": 16.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8391, 59.1896] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 21,
    "stn_id": "GAK5I",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1946",
    "depth": 101.0,
    "PO4": 1.37,
    "SiOH4": 20.8,
    "NO3_NO2": 16.38,
    "NO2": 0.14,
    "NH4": 0.49,
    "NO3": 16.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8391, 59.1896] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 21,
    "stn_id": "GAK5I",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1946",
    "depth": 127.0,
    "PO4": 1.49,
    "SiOH4": 23.43,
    "NO3_NO2": 18.61,
    "NO2": 0.13,
    "NH4": 0.45,
    "NO3": 18.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8391, 59.1896] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 21,
    "stn_id": "GAK5I",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1946",
    "depth": 150.0,
    "PO4": 1.54,
    "SiOH4": 24.18,
    "NO3_NO2": 19.12,
    "NO2": 0.13,
    "NH4": 0.27,
    "NO3": 18.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8391, 59.1896] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 21,
    "stn_id": "GAK5I",
    "water_depth": 170,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "1946",
    "depth": 164.0,
    "PO4": 1.6,
    "SiOH4": 25.64,
    "NO3_NO2": 19.96,
    "NO2": 0.13,
    "NH4": 0.3,
    "NO3": 19.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7676, 59.1159] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 22,
    "stn_id": "GAK6",
    "water_depth": 153,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "2050",
    "depth": 3.0,
    "PO4": 1.48,
    "SiOH4": 23.92,
    "NO3_NO2": 17.52,
    "NO2": 0.1,
    "NH4": 0.01,
    "NO3": 17.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7676, 59.1159] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 22,
    "stn_id": "GAK6",
    "water_depth": 153,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "2050",
    "depth": 10.0,
    "PO4": 1.52,
    "SiOH4": 23.86,
    "NO3_NO2": 17.45,
    "NO2": 0.09,
    "NH4": 0.0,
    "NO3": 17.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7676, 59.1159] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 22,
    "stn_id": "GAK6",
    "water_depth": 153,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "2050",
    "depth": 20.0,
    "PO4": 1.53,
    "SiOH4": 23.21,
    "NO3_NO2": 17.39,
    "NO2": 0.09,
    "NH4": 0.05,
    "NO3": 17.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7676, 59.1159] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 22,
    "stn_id": "GAK6",
    "water_depth": 153,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "2050",
    "depth": 30.0,
    "PO4": 1.54,
    "SiOH4": 22.75,
    "NO3_NO2": 17.39,
    "NO2": 0.11,
    "NH4": 0.11,
    "NO3": 17.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7676, 59.1159] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 22,
    "stn_id": "GAK6",
    "water_depth": 153,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "2050",
    "depth": 40.0,
    "PO4": 1.63,
    "SiOH4": 22.62,
    "NO3_NO2": 17.5,
    "NO2": 0.16,
    "NH4": 0.07,
    "NO3": 17.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7676, 59.1159] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 22,
    "stn_id": "GAK6",
    "water_depth": 153,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "2050",
    "depth": 50.0,
    "PO4": 1.62,
    "SiOH4": 21.32,
    "NO3_NO2": 17.2,
    "NO2": 0.13,
    "NH4": 0.18,
    "NO3": 17.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7676, 59.1159] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 22,
    "stn_id": "GAK6",
    "water_depth": 153,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "2050",
    "depth": 75.0,
    "PO4": 1.61,
    "SiOH4": 20.87,
    "NO3_NO2": 17.03,
    "NO2": 0.15,
    "NH4": 0.2,
    "NO3": 16.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7676, 59.1159] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 22,
    "stn_id": "GAK6",
    "water_depth": 153,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "2050",
    "depth": 100.0,
    "PO4": 1.6,
    "SiOH4": 21.65,
    "NO3_NO2": 17.6,
    "NO2": 0.12,
    "NH4": 0.13,
    "NO3": 17.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7676, 59.1159] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 22,
    "stn_id": "GAK6",
    "water_depth": 153,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "2050",
    "depth": 126.0,
    "PO4": 1.74,
    "SiOH4": 24.64,
    "NO3_NO2": 20.07,
    "NO2": 0.12,
    "NH4": 0.12,
    "NO3": 19.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7676, 59.1159] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 22,
    "stn_id": "GAK6",
    "water_depth": 153,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "2050",
    "depth": 146.0,
    "PO4": 1.77,
    "SiOH4": 26.26,
    "NO3_NO2": 20.64,
    "NO2": 0.07,
    "NH4": 0.23,
    "NO3": 20.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.698, 59.0444] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 23,
    "stn_id": "GAK6I",
    "water_depth": 192,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "2146",
    "depth": 2.0,
    "PO4": 1.43,
    "SiOH4": 23.86,
    "NO3_NO2": 17.24,
    "NO2": 0.11,
    "NH4": 0.02,
    "NO3": 17.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.698, 59.0444] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 23,
    "stn_id": "GAK6I",
    "water_depth": 192,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "2146",
    "depth": 9.0,
    "PO4": 1.44,
    "SiOH4": 24.18,
    "NO3_NO2": 17.23,
    "NO2": 0.09,
    "NH4": 0.1,
    "NO3": 17.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.698, 59.0444] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 23,
    "stn_id": "GAK6I",
    "water_depth": 192,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "2146",
    "depth": 20.0,
    "PO4": 1.42,
    "SiOH4": 23.01,
    "NO3_NO2": 16.88,
    "NO2": 0.11,
    "NH4": 0.06,
    "NO3": 16.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.698, 59.0444] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 23,
    "stn_id": "GAK6I",
    "water_depth": 192,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "2146",
    "depth": 29.0,
    "PO4": 1.43,
    "SiOH4": 23.01,
    "NO3_NO2": 16.93,
    "NO2": 0.13,
    "NH4": 0.02,
    "NO3": 16.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.698, 59.0444] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 23,
    "stn_id": "GAK6I",
    "water_depth": 192,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "2146",
    "depth": 39.0,
    "PO4": 1.43,
    "SiOH4": 23.21,
    "NO3_NO2": 16.81,
    "NO2": 0.18,
    "NH4": 0.01,
    "NO3": 16.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.698, 59.0444] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 23,
    "stn_id": "GAK6I",
    "water_depth": 192,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "2146",
    "depth": 49.0,
    "PO4": 1.44,
    "SiOH4": 22.95,
    "NO3_NO2": 16.75,
    "NO2": 0.1,
    "NH4": 0.0,
    "NO3": 16.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.698, 59.0444] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 23,
    "stn_id": "GAK6I",
    "water_depth": 192,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "2146",
    "depth": 73.0,
    "PO4": 1.45,
    "SiOH4": 23.21,
    "NO3_NO2": 16.98,
    "NO2": 0.1,
    "NH4": 0.11,
    "NO3": 16.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.698, 59.0444] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 23,
    "stn_id": "GAK6I",
    "water_depth": 192,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "2146",
    "depth": 99.0,
    "PO4": 1.6,
    "SiOH4": 25.03,
    "NO3_NO2": 19.16,
    "NO2": 0.02,
    "NH4": 0.01,
    "NO3": 19.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.698, 59.0444] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 23,
    "stn_id": "GAK6I",
    "water_depth": 192,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "2146",
    "depth": 125.0,
    "PO4": 1.64,
    "SiOH4": 26.91,
    "NO3_NO2": 20.48,
    "NO2": 0.09,
    "NH4": 0.04,
    "NO3": 20.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.698, 59.0444] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 23,
    "stn_id": "GAK6I",
    "water_depth": 192,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "2146",
    "depth": 150.0,
    "PO4": 1.68,
    "SiOH4": 28.86,
    "NO3_NO2": 21.58,
    "NO2": 0.16,
    "NH4": 0.0,
    "NO3": 21.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.698, 59.0444] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 23,
    "stn_id": "GAK6I",
    "water_depth": 192,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "2146",
    "depth": 175.0,
    "PO4": 1.84,
    "SiOH4": 33.02,
    "NO3_NO2": 24.05,
    "NO2": 0.16,
    "NH4": 0.11,
    "NO3": 23.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.698, 59.0444] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 23,
    "stn_id": "GAK6I",
    "water_depth": 192,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "2146",
    "depth": 187.0,
    "PO4": 1.91,
    "SiOH4": 34.97,
    "NO3_NO2": 25.02,
    "NO2": 0.1,
    "NH4": 0.1,
    "NO3": 24.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6238, 58.9708] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 24,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "2252",
    "depth": 2.0,
    "PO4": 1.52,
    "SiOH4": 21.68,
    "NO3_NO2": 16.83,
    "NO2": 0.18,
    "NH4": 0.07,
    "NO3": 16.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6238, 58.9708] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 24,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "2252",
    "depth": 10.0,
    "PO4": 1.46,
    "SiOH4": 21.75,
    "NO3_NO2": 16.83,
    "NO2": 0.18,
    "NH4": 0.08,
    "NO3": 16.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6238, 58.9708] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 24,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "2252",
    "depth": 19.0,
    "PO4": 1.46,
    "SiOH4": 21.7,
    "NO3_NO2": 16.88,
    "NO2": 0.15,
    "NH4": 0.13,
    "NO3": 16.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6238, 58.9708] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 24,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "2252",
    "depth": 30.0,
    "PO4": 1.46,
    "SiOH4": 21.72,
    "NO3_NO2": 16.94,
    "NO2": 0.18,
    "NH4": 0.06,
    "NO3": 16.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6238, 58.9708] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 24,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "2252",
    "depth": 40.0,
    "PO4": 1.47,
    "SiOH4": 21.73,
    "NO3_NO2": 16.94,
    "NO2": 0.18,
    "NH4": 0.05,
    "NO3": 16.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6238, 58.9708] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 24,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "2252",
    "depth": 51.0,
    "PO4": 1.44,
    "SiOH4": 21.62,
    "NO3_NO2": 16.99,
    "NO2": 0.18,
    "NH4": 0.1,
    "NO3": 16.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6238, 58.9708] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 24,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "2252",
    "depth": 75.0,
    "PO4": 1.52,
    "SiOH4": 21.98,
    "NO3_NO2": 18.14,
    "NO2": 0.1,
    "NH4": 0.14,
    "NO3": 18.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6238, 58.9708] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 24,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "2252",
    "depth": 100.0,
    "PO4": 1.64,
    "SiOH4": 24.38,
    "NO3_NO2": 20.16,
    "NO2": 0.08,
    "NH4": 0.13,
    "NO3": 20.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6238, 58.9708] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 24,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "2252",
    "depth": 150.0,
    "PO4": 1.8,
    "SiOH4": 27.89,
    "NO3_NO2": 22.81,
    "NO2": 0.18,
    "NH4": 0.3,
    "NO3": 22.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6238, 58.9708] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 24,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "2252",
    "depth": 186.0,
    "PO4": 1.79,
    "SiOH4": 26.79,
    "NO3_NO2": 22.29,
    "NO2": 0.25,
    "NH4": 0.23,
    "NO3": 22.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6238, 58.9708] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 24,
    "stn_id": "GAK7",
    "water_depth": 242,
    "month_gmt": "4",
    "day_gmt": "05",
    "time_gmt": "2252",
    "depth": 237.0,
    "PO4": 2.38,
    "SiOH4": 44.79,
    "NO3_NO2": 32.49,
    "NO2": 0.13,
    "NH4": 0.07,
    "NO3": 32.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5578, 58.8803] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 25,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0000",
    "depth": 3.0,
    "PO4": 1.37,
    "SiOH4": 21.69,
    "NO3_NO2": 16.92,
    "NO2": 0.08,
    "NH4": 0.02,
    "NO3": 16.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5578, 58.8803] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 25,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0000",
    "depth": 11.0,
    "PO4": 1.48,
    "SiOH4": 21.82,
    "NO3_NO2": 17.78,
    "NO2": 0.05,
    "NH4": 0.01,
    "NO3": 17.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5578, 58.8803] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 25,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0000",
    "depth": 20.0,
    "PO4": 1.62,
    "SiOH4": 23.99,
    "NO3_NO2": 19.85,
    "NO2": 0.05,
    "NH4": 0.03,
    "NO3": 19.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5578, 58.8803] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 25,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0000",
    "depth": 31.0,
    "PO4": 1.64,
    "SiOH4": 24.11,
    "NO3_NO2": 20.08,
    "NO2": 0.08,
    "NH4": 0.02,
    "NO3": 20.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5578, 58.8803] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 25,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0000",
    "depth": 41.0,
    "PO4": 1.56,
    "SiOH4": 25.06,
    "NO3_NO2": 20.77,
    "NO2": 0.1,
    "NH4": 0.01,
    "NO3": 20.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5578, 58.8803] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 25,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0000",
    "depth": 50.0,
    "PO4": 1.34,
    "SiOH4": 21.52,
    "NO3_NO2": 16.68,
    "NO2": 0.08,
    "NH4": 0.02,
    "NO3": 16.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5578, 58.8803] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 25,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0000",
    "depth": 76.0,
    "PO4": 1.34,
    "SiOH4": 21.65,
    "NO3_NO2": 16.79,
    "NO2": 0.08,
    "NH4": 0.01,
    "NO3": 16.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5578, 58.8803] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 25,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0000",
    "depth": 100.0,
    "PO4": 1.34,
    "SiOH4": 21.31,
    "NO3_NO2": 16.85,
    "NO2": 0.08,
    "NH4": 0.03,
    "NO3": 16.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5578, 58.8803] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 25,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0000",
    "depth": 152.0,
    "PO4": 1.25,
    "SiOH4": 21.03,
    "NO3_NO2": 16.67,
    "NO2": 0.08,
    "NH4": 0.02,
    "NO3": 16.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5578, 58.8803] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 25,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0000",
    "depth": 200.0,
    "PO4": 1.66,
    "SiOH4": 26.8,
    "NO3_NO2": 22.32,
    "NO2": 0.08,
    "NH4": 0.01,
    "NO3": 22.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5578, 58.8803] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 25,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0000",
    "depth": 249.0,
    "PO4": 2.26,
    "SiOH4": 46.15,
    "NO3_NO2": 34.25,
    "NO2": 0.05,
    "NH4": 0.02,
    "NO3": 34.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5578, 58.8803] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 25,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0000",
    "depth": 294.0,
    "PO4": 2.73,
    "SiOH4": 51.98,
    "NO3_NO2": 37.13,
    "NO2": 0.05,
    "NH4": 0.04,
    "NO3": 37.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4878, 58.7883] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 26,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0111",
    "depth": 4.0,
    "PO4": 1.45,
    "SiOH4": 21.12,
    "NO3_NO2": 17.5,
    "NO2": 0.13,
    "NH4": 0.1,
    "NO3": 17.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4878, 58.7883] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 26,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0111",
    "depth": 10.0,
    "PO4": 1.37,
    "SiOH4": 21.02,
    "NO3_NO2": 17.49,
    "NO2": 0.08,
    "NH4": 0.12,
    "NO3": 17.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4878, 58.7883] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 26,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0111",
    "depth": 20.0,
    "PO4": 1.38,
    "SiOH4": 21.44,
    "NO3_NO2": 17.55,
    "NO2": 0.11,
    "NH4": 0.11,
    "NO3": 17.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4878, 58.7883] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 26,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0111",
    "depth": 30.0,
    "PO4": 1.43,
    "SiOH4": 21.73,
    "NO3_NO2": 17.97,
    "NO2": 0.11,
    "NH4": 0.13,
    "NO3": 17.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4878, 58.7883] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 26,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0111",
    "depth": 39.0,
    "PO4": 1.44,
    "SiOH4": 21.36,
    "NO3_NO2": 17.97,
    "NO2": 0.08,
    "NH4": 0.12,
    "NO3": 17.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4878, 58.7883] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 26,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0111",
    "depth": 50.0,
    "PO4": 1.44,
    "SiOH4": 21.52,
    "NO3_NO2": 17.96,
    "NO2": 0.16,
    "NH4": 0.11,
    "NO3": 17.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4878, 58.7883] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 26,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0111",
    "depth": 76.0,
    "PO4": 1.43,
    "SiOH4": 22.07,
    "NO3_NO2": 18.32,
    "NO2": 0.05,
    "NH4": 0.1,
    "NO3": 18.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4878, 58.7883] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 26,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0111",
    "depth": 100.0,
    "PO4": 1.56,
    "SiOH4": 23.61,
    "NO3_NO2": 20.21,
    "NO2": 0.03,
    "NH4": 0.04,
    "NO3": 20.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4878, 58.7883] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 26,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0111",
    "depth": 150.0,
    "PO4": 1.74,
    "SiOH4": 27.4,
    "NO3_NO2": 23.09,
    "NO2": 0.05,
    "NH4": 0.14,
    "NO3": 23.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4878, 58.7883] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 26,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0111",
    "depth": 202.0,
    "PO4": 2.33,
    "SiOH4": 42.98,
    "NO3_NO2": 33.48,
    "NO2": 0.0,
    "NH4": 0.08,
    "NO3": 33.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4878, 58.7883] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 26,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0111",
    "depth": 250.0,
    "PO4": 2.72,
    "SiOH4": 56.45,
    "NO3_NO2": 40.39,
    "NO2": 0.0,
    "NH4": 0.12,
    "NO3": 40.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4878, 58.7883] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 26,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0111",
    "depth": 275.0,
    "PO4": 2.92,
    "SiOH4": 65.9,
    "NO3_NO2": 42.47,
    "NO2": 0.0,
    "NH4": 0.12,
    "NO3": 42.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4194, 58.7411] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0204",
    "depth": 1.0,
    "PO4": 1.44,
    "SiOH4": 23.28,
    "NO3_NO2": 18.54,
    "NO2": 0.11,
    "NH4": 0.11,
    "NO3": 18.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4194, 58.7411] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0204",
    "depth": 9.0,
    "PO4": 1.48,
    "SiOH4": 23.7,
    "NO3_NO2": 18.59,
    "NO2": 0.11,
    "NH4": 0.1,
    "NO3": 18.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4194, 58.7411] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0204",
    "depth": 20.0,
    "PO4": 1.49,
    "SiOH4": 23.6,
    "NO3_NO2": 18.59,
    "NO2": 0.05,
    "NH4": 0.09,
    "NO3": 18.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4194, 58.7411] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0204",
    "depth": 30.0,
    "PO4": 1.5,
    "SiOH4": 23.69,
    "NO3_NO2": 18.77,
    "NO2": 0.05,
    "NH4": 0.11,
    "NO3": 18.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4194, 58.7411] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0204",
    "depth": 40.0,
    "PO4": 1.51,
    "SiOH4": 23.78,
    "NO3_NO2": 18.7,
    "NO2": 0.05,
    "NH4": 0.07,
    "NO3": 18.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4194, 58.7411] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0204",
    "depth": 50.0,
    "PO4": 1.51,
    "SiOH4": 23.74,
    "NO3_NO2": 18.7,
    "NO2": 0.08,
    "NH4": 0.06,
    "NO3": 18.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4194, 58.7411] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0204",
    "depth": 76.0,
    "PO4": 1.51,
    "SiOH4": 22.45,
    "NO3_NO2": 18.57,
    "NO2": 0.13,
    "NH4": 0.08,
    "NO3": 18.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4194, 58.7411] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0204",
    "depth": 102.0,
    "PO4": 1.6,
    "SiOH4": 23.67,
    "NO3_NO2": 19.73,
    "NO2": 0.16,
    "NH4": 0.07,
    "NO3": 19.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4194, 58.7411] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0204",
    "depth": 150.0,
    "PO4": 1.85,
    "SiOH4": 30.15,
    "NO3_NO2": 24.43,
    "NO2": 0.11,
    "NH4": 0.09,
    "NO3": 24.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4194, 58.7411] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0204",
    "depth": 201.0,
    "PO4": 2.48,
    "SiOH4": 46.92,
    "NO3_NO2": 35.2,
    "NO2": 0.03,
    "NH4": 0.08,
    "NO3": 35.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4194, 58.7411] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0204",
    "depth": 240.0,
    "PO4": 2.79,
    "SiOH4": 56.57,
    "NO3_NO2": 39.97,
    "NO2": 0.03,
    "NH4": 0.07,
    "NO3": 39.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4194, 58.7411] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK8I",
    "water_depth": 287,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0204",
    "depth": 282.0,
    "PO4": 2.96,
    "SiOH4": 66.45,
    "NO3_NO2": 42.41,
    "NO2": 0.0,
    "NH4": 0.06,
    "NO3": 42.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3467, 58.677] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 28,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0316",
    "depth": 2.0,
    "PO4": 1.4,
    "SiOH4": 22.01,
    "NO3_NO2": 17.9,
    "NO2": 0.03,
    "NH4": 0.11,
    "NO3": 17.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3467, 58.677] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 28,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0316",
    "depth": 11.0,
    "PO4": 1.39,
    "SiOH4": 22.07,
    "NO3_NO2": 17.95,
    "NO2": 0.05,
    "NH4": 0.13,
    "NO3": 17.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3467, 58.677] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 28,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0316",
    "depth": 20.0,
    "PO4": 1.37,
    "SiOH4": 21.95,
    "NO3_NO2": 18.01,
    "NO2": 0.05,
    "NH4": 0.16,
    "NO3": 17.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3467, 58.677] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 28,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0316",
    "depth": 31.0,
    "PO4": 1.39,
    "SiOH4": 21.76,
    "NO3_NO2": 18.01,
    "NO2": 0.05,
    "NH4": 0.12,
    "NO3": 17.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3467, 58.677] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 28,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0316",
    "depth": 40.0,
    "PO4": 1.39,
    "SiOH4": 21.2,
    "NO3_NO2": 17.95,
    "NO2": 0.05,
    "NH4": 0.14,
    "NO3": 17.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3467, 58.677] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 28,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0316",
    "depth": 49.0,
    "PO4": 1.38,
    "SiOH4": 20.4,
    "NO3_NO2": 17.7,
    "NO2": 0.05,
    "NH4": 0.16,
    "NO3": 17.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3467, 58.677] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 28,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0316",
    "depth": 76.0,
    "PO4": 1.38,
    "SiOH4": 20.34,
    "NO3_NO2": 17.7,
    "NO2": 0.05,
    "NH4": 0.16,
    "NO3": 17.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3467, 58.677] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 28,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0316",
    "depth": 100.0,
    "PO4": 1.48,
    "SiOH4": 20.52,
    "NO3_NO2": 18.84,
    "NO2": 0.0,
    "NH4": 0.06,
    "NO3": 18.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3467, 58.677] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 28,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0316",
    "depth": 151.0,
    "PO4": 2.03,
    "SiOH4": 34.93,
    "NO3_NO2": 29.05,
    "NO2": 0.0,
    "NH4": 0.08,
    "NO3": 29.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3467, 58.677] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 28,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0316",
    "depth": 200.0,
    "PO4": 2.46,
    "SiOH4": 47.48,
    "NO3_NO2": 37.15,
    "NO2": 0.0,
    "NH4": 0.07,
    "NO3": 37.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3467, 58.677] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 28,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0316",
    "depth": 240.0,
    "PO4": 2.64,
    "SiOH4": 53.35,
    "NO3_NO2": 39.67,
    "NO2": 0.0,
    "NH4": 0.09,
    "NO3": 39.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3467, 58.677] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 28,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "0316",
    "depth": 265.0,
    "PO4": 2.78,
    "SiOH4": 68.67,
    "NO3_NO2": 41.65,
    "NO2": 0.0,
    "NH4": 0.12,
    "NO3": 41.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7889, 58.0997] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1730",
    "depth": 2.0,
    "PO4": 1.35,
    "SiOH4": 19.91,
    "NO3_NO2": 17.38,
    "NO2": 0.03,
    "NH4": 0.08,
    "NO3": 17.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7889, 58.0997] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1730",
    "depth": 10.0,
    "PO4": 1.38,
    "SiOH4": 19.97,
    "NO3_NO2": 17.38,
    "NO2": 0.03,
    "NH4": 0.07,
    "NO3": 17.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7889, 58.0997] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1730",
    "depth": 18.0,
    "PO4": 1.4,
    "SiOH4": 19.97,
    "NO3_NO2": 17.49,
    "NO2": 0.03,
    "NH4": 0.12,
    "NO3": 17.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7889, 58.0997] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1730",
    "depth": 30.0,
    "PO4": 1.4,
    "SiOH4": 19.97,
    "NO3_NO2": 17.43,
    "NO2": 0.05,
    "NH4": 0.14,
    "NO3": 17.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7889, 58.0997] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1730",
    "depth": 43.0,
    "PO4": 1.59,
    "SiOH4": 22.56,
    "NO3_NO2": 20.37,
    "NO2": 0.0,
    "NH4": 0.14,
    "NO3": 20.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7889, 58.0997] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1730",
    "depth": 66.0,
    "PO4": 1.68,
    "SiOH4": 24.79,
    "NO3_NO2": 21.75,
    "NO2": 0.05,
    "NH4": 0.13,
    "NO3": 21.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.785, 58.099] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 39,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1805",
    "depth": 3.0,
    "PO4": 1.4,
    "SiOH4": 20.22,
    "NO3_NO2": 17.39,
    "NO2": 0.15,
    "NH4": 0.25,
    "NO3": 17.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.785, 58.099] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 39,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1805",
    "depth": 11.0,
    "PO4": 1.35,
    "SiOH4": 20.35,
    "NO3_NO2": 17.45,
    "NO2": 0.15,
    "NH4": 0.24,
    "NO3": 17.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.785, 58.099] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 39,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1805",
    "depth": 21.0,
    "PO4": 1.34,
    "SiOH4": 20.47,
    "NO3_NO2": 17.51,
    "NO2": 0.15,
    "NH4": 0.2,
    "NO3": 17.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.785, 58.099] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 39,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1805",
    "depth": 31.0,
    "PO4": 1.34,
    "SiOH4": 19.7,
    "NO3_NO2": 17.75,
    "NO2": 0.18,
    "NH4": 0.0,
    "NO3": 17.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.785, 58.099] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 39,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1805",
    "depth": 51.0,
    "PO4": 1.6,
    "SiOH4": 24.8,
    "NO3_NO2": 22.25,
    "NO2": 0.0,
    "NH4": 0.0,
    "NO3": 22.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.785, 58.099] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 39,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1805",
    "depth": 75.0,
    "PO4": 1.78,
    "SiOH4": 29.33,
    "NO3_NO2": 25.45,
    "NO2": 0.03,
    "NH4": 0.02,
    "NO3": 25.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.785, 58.099] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 39,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1805",
    "depth": 99.0,
    "PO4": 2.02,
    "SiOH4": 35.9,
    "NO3_NO2": 29.46,
    "NO2": 0.03,
    "NH4": 0.02,
    "NO3": 29.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.785, 58.099] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 39,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1805",
    "depth": 254.0,
    "PO4": 3.21,
    "SiOH4": 91.88,
    "NO3_NO2": 49.38,
    "NO2": 0.0,
    "NH4": 0.01,
    "NO3": 49.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.785, 58.099] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 39,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1805",
    "depth": 501.0,
    "PO4": 3.28,
    "SiOH4": 114.26,
    "NO3_NO2": 49.5,
    "NO2": 0.0,
    "NH4": 0.0,
    "NO3": 49.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.785, 58.099] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 39,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1805",
    "depth": 751.0,
    "PO4": 3.33,
    "SiOH4": 134.71,
    "NO3_NO2": 50.17,
    "NO2": 0.0,
    "NH4": 0.03,
    "NO3": 50.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.785, 58.099] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 39,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1805",
    "depth": 1000.0,
    "PO4": 3.34,
    "SiOH4": 150.46,
    "NO3_NO2": 50.48,
    "NO2": 0.0,
    "NH4": 0.02,
    "NO3": 50.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.785, 58.099] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 39,
    "stn_id": "GAK13",
    "water_depth": 2094,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "1805",
    "depth": 1519.0,
    "PO4": 3.28,
    "SiOH4": 161.79,
    "NO3_NO2": 50.11,
    "NO2": 0.0,
    "NH4": 0.04,
    "NO3": 50.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9287, 58.243] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK12",
    "water_depth": 2174,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "2100",
    "depth": 3.0,
    "PO4": 1.34,
    "SiOH4": 20.06,
    "NO3_NO2": 17.48,
    "NO2": 0.18,
    "NH4": 0.04,
    "NO3": 17.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9287, 58.243] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK12",
    "water_depth": 2174,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "2100",
    "depth": 11.0,
    "PO4": 1.35,
    "SiOH4": 20.06,
    "NO3_NO2": 17.48,
    "NO2": 0.18,
    "NH4": 0.09,
    "NO3": 17.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9287, 58.243] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK12",
    "water_depth": 2174,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "2100",
    "depth": 20.0,
    "PO4": 1.37,
    "SiOH4": 19.93,
    "NO3_NO2": 17.54,
    "NO2": 0.18,
    "NH4": 0.06,
    "NO3": 17.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9287, 58.243] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK12",
    "water_depth": 2174,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "2100",
    "depth": 30.0,
    "PO4": 1.53,
    "SiOH4": 22.41,
    "NO3_NO2": 20.25,
    "NO2": 0.1,
    "NH4": 0.08,
    "NO3": 20.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9287, 58.243] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK12",
    "water_depth": 2174,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "2100",
    "depth": 52.0,
    "PO4": 1.62,
    "SiOH4": 24.96,
    "NO3_NO2": 22.09,
    "NO2": 0.15,
    "NH4": 0.04,
    "NO3": 21.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9287, 58.243] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK12",
    "water_depth": 2174,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "2100",
    "depth": 76.0,
    "PO4": 2.01,
    "SiOH4": 35.49,
    "NO3_NO2": 29.31,
    "NO2": 0.08,
    "NH4": 0.03,
    "NO3": 29.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9287, 58.243] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK12",
    "water_depth": 2174,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "2100",
    "depth": 100.0,
    "PO4": 2.26,
    "SiOH4": 42.63,
    "NO3_NO2": 34.36,
    "NO2": 0.05,
    "NH4": 0.06,
    "NO3": 34.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9287, 58.243] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK12",
    "water_depth": 2174,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "2100",
    "depth": 251.0,
    "PO4": 3.27,
    "SiOH4": 76.68,
    "NO3_NO2": 50.15,
    "NO2": 0.05,
    "NH4": 0.08,
    "NO3": 50.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9287, 58.243] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK12",
    "water_depth": 2174,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "2100",
    "depth": 501.0,
    "PO4": 3.3,
    "SiOH4": 98.23,
    "NO3_NO2": 49.77,
    "NO2": 0.03,
    "NH4": 0.08,
    "NO3": 49.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9287, 58.243] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK12",
    "water_depth": 2174,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "2100",
    "depth": 750.0,
    "PO4": 3.35,
    "SiOH4": 119.51,
    "NO3_NO2": 50.39,
    "NO2": 0.03,
    "NH4": 0.1,
    "NO3": 50.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9287, 58.243] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK12",
    "water_depth": 2174,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "2100",
    "depth": 998.0,
    "PO4": 3.38,
    "SiOH4": 133.32,
    "NO3_NO2": 50.57,
    "NO2": 0.05,
    "NH4": 0.11,
    "NO3": 50.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9287, 58.243] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK12",
    "water_depth": 2174,
    "month_gmt": "4",
    "day_gmt": "06",
    "time_gmt": "2100",
    "depth": 1519.0,
    "PO4": 3.32,
    "SiOH4": 147.14,
    "NO3_NO2": 50.08,
    "NO2": 0.05,
    "NH4": 0.13,
    "NO3": 50.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0603, 58.3845] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "GAK11",
    "water_depth": 2249,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "0001",
    "depth": 5.0,
    "PO4": 1.35,
    "SiOH4": 20.23,
    "NO3_NO2": 18.79,
    "NO2": 0.19,
    "NH4": 0.0,
    "NO3": 18.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0603, 58.3845] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "GAK11",
    "water_depth": 2249,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "0001",
    "depth": 11.0,
    "PO4": 1.39,
    "SiOH4": 19.99,
    "NO3_NO2": 18.72,
    "NO2": 0.17,
    "NH4": 0.02,
    "NO3": 18.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0603, 58.3845] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "GAK11",
    "water_depth": 2249,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "0001",
    "depth": 19.0,
    "PO4": 1.36,
    "SiOH4": 20.15,
    "NO3_NO2": 18.71,
    "NO2": 0.19,
    "NH4": 0.01,
    "NO3": 18.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0603, 58.3845] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "GAK11",
    "water_depth": 2249,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "0001",
    "depth": 30.0,
    "PO4": 1.43,
    "SiOH4": 21.26,
    "NO3_NO2": 19.73,
    "NO2": 0.19,
    "NH4": 0.01,
    "NO3": 19.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0603, 58.3845] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "GAK11",
    "water_depth": 2249,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "0001",
    "depth": 51.0,
    "PO4": 1.45,
    "SiOH4": 23.24,
    "NO3_NO2": 21.59,
    "NO2": 0.17,
    "NH4": 0.0,
    "NO3": 21.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0603, 58.3845] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "GAK11",
    "water_depth": 2249,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "0001",
    "depth": 75.0,
    "PO4": 1.66,
    "SiOH4": 25.56,
    "NO3_NO2": 23.31,
    "NO2": 0.17,
    "NH4": 0.06,
    "NO3": 23.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0603, 58.3845] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "GAK11",
    "water_depth": 2249,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "0001",
    "depth": 101.0,
    "PO4": 1.91,
    "SiOH4": 31.85,
    "NO3_NO2": 27.74,
    "NO2": 0.17,
    "NH4": 0.05,
    "NO3": 27.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0603, 58.3845] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "GAK11",
    "water_depth": 2249,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "0001",
    "depth": 251.0,
    "PO4": 3.22,
    "SiOH4": 54.14,
    "NO3_NO2": 50.31,
    "NO2": 0.06,
    "NH4": 0.05,
    "NO3": 50.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0603, 58.3845] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "GAK11",
    "water_depth": 2249,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "0001",
    "depth": 502.0,
    "PO4": 3.35,
    "SiOH4": 76.6,
    "NO3_NO2": 51.78,
    "NO2": 0.03,
    "NH4": 0.01,
    "NO3": 51.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0603, 58.3845] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "GAK11",
    "water_depth": 2249,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "0001",
    "depth": 752.0,
    "PO4": 3.46,
    "SiOH4": 94.95,
    "NO3_NO2": 51.96,
    "NO2": 0.0,
    "NH4": 0.04,
    "NO3": 51.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0603, 58.3845] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "GAK11",
    "water_depth": 2249,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "0001",
    "depth": 1426.0,
    "PO4": 3.41,
    "SiOH4": 124.09,
    "NO3_NO2": 51.83,
    "NO2": 0.0,
    "NH4": 0.03,
    "NO3": 51.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2115, 58.5386] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 42,
    "stn_id": "GAK10",
    "water_depth": 1468,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "0313",
    "depth": 2.0,
    "PO4": 1.49,
    "SiOH4": 20.8,
    "NO3_NO2": 17.44,
    "NO2": 0.04,
    "NH4": 0.01,
    "NO3": 17.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2115, 58.5386] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 42,
    "stn_id": "GAK10",
    "water_depth": 1468,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "0313",
    "depth": 10.0,
    "PO4": 1.44,
    "SiOH4": 20.74,
    "NO3_NO2": 17.44,
    "NO2": 0.0,
    "NH4": 0.0,
    "NO3": 17.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2115, 58.5386] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 42,
    "stn_id": "GAK10",
    "water_depth": 1468,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "0313",
    "depth": 19.0,
    "PO4": 1.44,
    "SiOH4": 20.74,
    "NO3_NO2": 17.44,
    "NO2": 0.01,
    "NH4": 0.07,
    "NO3": 17.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2115, 58.5386] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 42,
    "stn_id": "GAK10",
    "water_depth": 1468,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "0313",
    "depth": 29.0,
    "PO4": 1.45,
    "SiOH4": 20.35,
    "NO3_NO2": 17.5,
    "NO2": 0.07,
    "NH4": 0.02,
    "NO3": 17.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2115, 58.5386] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 42,
    "stn_id": "GAK10",
    "water_depth": 1468,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "0313",
    "depth": 50.0,
    "PO4": 1.52,
    "SiOH4": 20.74,
    "NO3_NO2": 19.13,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 19.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2115, 58.5386] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 42,
    "stn_id": "GAK10",
    "water_depth": 1468,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "0313",
    "depth": 75.0,
    "PO4": 1.59,
    "SiOH4": 21.51,
    "NO3_NO2": 19.69,
    "NO2": 0.06,
    "NH4": 0.01,
    "NO3": 19.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2115, 58.5386] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 42,
    "stn_id": "GAK10",
    "water_depth": 1468,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "0313",
    "depth": 101.0,
    "PO4": 1.87,
    "SiOH4": 30.76,
    "NO3_NO2": 26.81,
    "NO2": 0.0,
    "NH4": 0.0,
    "NO3": 26.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2115, 58.5386] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 42,
    "stn_id": "GAK10",
    "water_depth": 1468,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "0313",
    "depth": 250.0,
    "PO4": 2.83,
    "SiOH4": 56.83,
    "NO3_NO2": 41.94,
    "NO2": 0.01,
    "NH4": 0.01,
    "NO3": 41.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2115, 58.5386] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 42,
    "stn_id": "GAK10",
    "water_depth": 1468,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "0313",
    "depth": 499.0,
    "PO4": 3.43,
    "SiOH4": 72.32,
    "NO3_NO2": 49.88,
    "NO2": 0.02,
    "NH4": 0.08,
    "NO3": 49.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2115, 58.5386] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 42,
    "stn_id": "GAK10",
    "water_depth": 1468,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "0313",
    "depth": 752.0,
    "PO4": 3.5,
    "SiOH4": 86.56,
    "NO3_NO2": 50.38,
    "NO2": 0.03,
    "NH4": 0.06,
    "NO3": 50.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2115, 58.5386] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 42,
    "stn_id": "GAK10",
    "water_depth": 1468,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "0313",
    "depth": 1012.0,
    "PO4": 3.53,
    "SiOH4": 113.9,
    "NO3_NO2": 50.63,
    "NO2": 0.01,
    "NH4": 0.02,
    "NO3": 50.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2792, 58.6089] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 43,
    "stn_id": "GAK9I",
    "water_depth": 681,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "1624",
    "depth": 4.0,
    "PO4": 1.66,
    "SiOH4": 22.96,
    "NO3_NO2": 17.12,
    "NO2": 0.26,
    "NH4": 0.28,
    "NO3": 16.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2792, 58.6089] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 43,
    "stn_id": "GAK9I",
    "water_depth": 681,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "1624",
    "depth": 11.0,
    "PO4": 1.56,
    "SiOH4": 23.05,
    "NO3_NO2": 17.12,
    "NO2": 0.29,
    "NH4": 0.14,
    "NO3": 16.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2792, 58.6089] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 43,
    "stn_id": "GAK9I",
    "water_depth": 681,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "1624",
    "depth": 21.0,
    "PO4": 1.57,
    "SiOH4": 23.27,
    "NO3_NO2": 17.06,
    "NO2": 0.18,
    "NH4": 0.14,
    "NO3": 16.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2792, 58.6089] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 43,
    "stn_id": "GAK9I",
    "water_depth": 681,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "1624",
    "depth": 30.0,
    "PO4": 1.53,
    "SiOH4": 22.99,
    "NO3_NO2": 17.06,
    "NO2": 0.26,
    "NH4": 0.23,
    "NO3": 16.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2792, 58.6089] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 43,
    "stn_id": "GAK9I",
    "water_depth": 681,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "1624",
    "depth": 40.0,
    "PO4": 1.55,
    "SiOH4": 23.15,
    "NO3_NO2": 17.06,
    "NO2": 0.21,
    "NH4": 0.28,
    "NO3": 16.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2792, 58.6089] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 43,
    "stn_id": "GAK9I",
    "water_depth": 681,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "1624",
    "depth": 51.0,
    "PO4": 1.54,
    "SiOH4": 22.86,
    "NO3_NO2": 17.12,
    "NO2": 0.55,
    "NH4": 0.03,
    "NO3": 16.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2792, 58.6089] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 43,
    "stn_id": "GAK9I",
    "water_depth": 681,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "1624",
    "depth": 77.0,
    "PO4": 1.68,
    "SiOH4": 23.91,
    "NO3_NO2": 18.32,
    "NO2": 0.34,
    "NH4": 0.03,
    "NO3": 17.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2792, 58.6089] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 43,
    "stn_id": "GAK9I",
    "water_depth": 681,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "1624",
    "depth": 101.0,
    "PO4": 1.81,
    "SiOH4": 28.12,
    "NO3_NO2": 20.86,
    "NO2": 0.36,
    "NH4": 0.03,
    "NO3": 20.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2792, 58.6089] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 43,
    "stn_id": "GAK9I",
    "water_depth": 681,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "1624",
    "depth": 151.0,
    "PO4": 2.58,
    "SiOH4": 48.54,
    "NO3_NO2": 34.31,
    "NO2": 0.18,
    "NH4": 0.03,
    "NO3": 34.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2792, 58.6089] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 43,
    "stn_id": "GAK9I",
    "water_depth": 681,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "1624",
    "depth": 250.0,
    "PO4": 3.25,
    "SiOH4": null,
    "NO3_NO2": 43.04,
    "NO2": 0.13,
    "NH4": 0.03,
    "NO3": 42.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2792, 58.6089] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 43,
    "stn_id": "GAK9I",
    "water_depth": 681,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "1624",
    "depth": 503.0,
    "PO4": 3.68,
    "SiOH4": null,
    "NO3_NO2": 49.71,
    "NO2": 0.18,
    "NH4": 0.03,
    "NO3": 49.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2792, 58.6089] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 43,
    "stn_id": "GAK9I",
    "water_depth": 681,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "1624",
    "depth": 749.0,
    "PO4": 3.75,
    "SiOH4": null,
    "NO3_NO2": 49.51,
    "NO2": 0.0,
    "NH4": 0.14,
    "NO3": 49.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3518, 58.6781] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 44,
    "stn_id": "GAK9",
    "water_depth": 560,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "1819",
    "depth": 3.0,
    "PO4": 1.51,
    "SiOH4": 24.6,
    "NO3_NO2": 17.72,
    "NO2": 0.0,
    "NH4": 0.03,
    "NO3": 17.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3518, 58.6781] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 44,
    "stn_id": "GAK9",
    "water_depth": 560,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "1819",
    "depth": 7.0,
    "PO4": 1.54,
    "SiOH4": 24.83,
    "NO3_NO2": 17.72,
    "NO2": 0.1,
    "NH4": 0.03,
    "NO3": 17.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3518, 58.6781] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 44,
    "stn_id": "GAK9",
    "water_depth": 560,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "1819",
    "depth": 10.0,
    "PO4": 1.56,
    "SiOH4": 24.6,
    "NO3_NO2": 17.66,
    "NO2": 0.1,
    "NH4": 0.03,
    "NO3": 17.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3518, 58.6781] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 44,
    "stn_id": "GAK9",
    "water_depth": 560,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "1819",
    "depth": 19.0,
    "PO4": 1.55,
    "SiOH4": 24.7,
    "NO3_NO2": 17.72,
    "NO2": 0.16,
    "NH4": 0.03,
    "NO3": 17.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3518, 58.6781] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 44,
    "stn_id": "GAK9",
    "water_depth": 560,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "1819",
    "depth": 26.0,
    "PO4": 1.59,
    "SiOH4": 24.79,
    "NO3_NO2": 17.79,
    "NO2": 0.16,
    "NH4": 0.03,
    "NO3": 17.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3518, 58.6781] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 44,
    "stn_id": "GAK9",
    "water_depth": 560,
    "month_gmt": "4",
    "day_gmt": "07",
    "time_gmt": "1819",
    "depth": 40.0,
    "PO4": 1.55,
    "SiOH4": 24.83,
    "NO3_NO2": 17.72,
    "NO2": 0.18,
    "NH4": 0.03,
    "NO3": 17.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8656, 59.4499] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1535",
    "depth": 3.0,
    "PO4": 1.66,
    "SiOH4": 26.85,
    "NO3_NO2": 19.52,
    "NO2": 0.11,
    "NH4": 0.0,
    "NO3": 19.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8656, 59.4499] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1535",
    "depth": 20.0,
    "PO4": 1.63,
    "SiOH4": 27.05,
    "NO3_NO2": 19.72,
    "NO2": 0.1,
    "NH4": 0.02,
    "NO3": 19.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8656, 59.4499] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1535",
    "depth": 30.0,
    "PO4": 1.65,
    "SiOH4": 26.85,
    "NO3_NO2": 20.41,
    "NO2": 0.1,
    "NH4": 0.02,
    "NO3": 20.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8656, 59.4499] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1535",
    "depth": 38.0,
    "PO4": 1.66,
    "SiOH4": 26.37,
    "NO3_NO2": 20.47,
    "NO2": 0.05,
    "NH4": 0.01,
    "NO3": 20.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8656, 59.4499] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1535",
    "depth": 48.0,
    "PO4": 1.64,
    "SiOH4": 26.0,
    "NO3_NO2": 20.12,
    "NO2": 0.1,
    "NH4": 0.04,
    "NO3": 20.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8656, 59.4499] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1535",
    "depth": 74.0,
    "PO4": 1.63,
    "SiOH4": 25.91,
    "NO3_NO2": 20.26,
    "NO2": 0.1,
    "NH4": 0.01,
    "NO3": 20.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8656, 59.4499] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1535",
    "depth": 100.0,
    "PO4": 1.7,
    "SiOH4": 25.89,
    "NO3_NO2": 20.6,
    "NO2": 0.13,
    "NH4": 0.17,
    "NO3": 20.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8656, 59.4499] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1535",
    "depth": 125.0,
    "PO4": 1.68,
    "SiOH4": 25.86,
    "NO3_NO2": 20.67,
    "NO2": 0.12,
    "NH4": 0.05,
    "NO3": 20.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8656, 59.4499] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1535",
    "depth": 150.0,
    "PO4": 1.72,
    "SiOH4": 26.7,
    "NO3_NO2": 21.21,
    "NO2": 0.12,
    "NH4": 0.05,
    "NO3": 21.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8656, 59.4499] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "CF15",
    "water_depth": 181,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1535",
    "depth": 172.0,
    "PO4": 1.73,
    "SiOH4": 26.9,
    "NO3_NO2": 21.56,
    "NO2": 0.15,
    "NH4": 0.07,
    "NO3": 21.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.5174] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1642",
    "depth": 3.0,
    "PO4": 1.54,
    "SiOH4": 26.82,
    "NO3_NO2": 19.76,
    "NO2": 0.09,
    "NH4": 0.07,
    "NO3": 19.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.5174] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1642",
    "depth": 10.0,
    "PO4": 1.59,
    "SiOH4": 26.96,
    "NO3_NO2": 19.83,
    "NO2": 0.15,
    "NH4": 0.15,
    "NO3": 19.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.5174] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1642",
    "depth": 21.0,
    "PO4": 1.57,
    "SiOH4": 27.0,
    "NO3_NO2": 19.82,
    "NO2": 0.15,
    "NH4": 0.12,
    "NO3": 19.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.5174] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1642",
    "depth": 31.0,
    "PO4": 1.56,
    "SiOH4": 26.74,
    "NO3_NO2": 19.75,
    "NO2": 0.14,
    "NH4": 0.14,
    "NO3": 19.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.5174] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1642",
    "depth": 40.0,
    "PO4": 1.6,
    "SiOH4": 26.94,
    "NO3_NO2": 20.37,
    "NO2": 0.12,
    "NH4": 0.16,
    "NO3": 20.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.5174] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1642",
    "depth": 50.0,
    "PO4": 1.62,
    "SiOH4": 27.21,
    "NO3_NO2": 20.64,
    "NO2": 0.06,
    "NH4": 0.05,
    "NO3": 20.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.5174] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1642",
    "depth": 75.0,
    "PO4": 1.62,
    "SiOH4": 26.32,
    "NO3_NO2": 20.36,
    "NO2": 0.11,
    "NH4": 0.13,
    "NO3": 20.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.5174] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1642",
    "depth": 100.0,
    "PO4": 1.59,
    "SiOH4": 26.0,
    "NO3_NO2": 20.36,
    "NO2": 0.14,
    "NH4": 0.15,
    "NO3": 20.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.5174] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1642",
    "depth": 123.0,
    "PO4": 1.63,
    "SiOH4": 26.03,
    "NO3_NO2": 20.7,
    "NO2": 0.03,
    "NH4": 0.15,
    "NO3": 20.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.5174] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1642",
    "depth": 151.0,
    "PO4": 1.68,
    "SiOH4": 26.53,
    "NO3_NO2": 21.04,
    "NO2": 0.06,
    "NH4": 0.12,
    "NO3": 20.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8677, 59.5174] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "CF13",
    "water_depth": 172,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1642",
    "depth": 164.0,
    "PO4": 1.69,
    "SiOH4": 26.61,
    "NO3_NO2": 21.11,
    "NO2": 0.05,
    "NH4": 0.14,
    "NO3": 21.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.5848] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 55,
    "stn_id": "CF11",
    "water_depth": 175,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1744",
    "depth": 5.0,
    "PO4": 1.55,
    "SiOH4": 26.69,
    "NO3_NO2": 20.11,
    "NO2": 0.16,
    "NH4": 0.03,
    "NO3": 19.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.5848] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 55,
    "stn_id": "CF11",
    "water_depth": 175,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1744",
    "depth": 10.0,
    "PO4": 1.57,
    "SiOH4": 26.65,
    "NO3_NO2": 20.11,
    "NO2": 0.1,
    "NH4": 0.06,
    "NO3": 20.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.5848] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 55,
    "stn_id": "CF11",
    "water_depth": 175,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1744",
    "depth": 22.0,
    "PO4": 1.58,
    "SiOH4": 26.71,
    "NO3_NO2": 20.25,
    "NO2": 0.1,
    "NH4": 0.03,
    "NO3": 20.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.5848] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 55,
    "stn_id": "CF11",
    "water_depth": 175,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1744",
    "depth": 31.0,
    "PO4": 1.59,
    "SiOH4": 27.08,
    "NO3_NO2": 20.88,
    "NO2": 0.09,
    "NH4": 0.0,
    "NO3": 20.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.5848] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 55,
    "stn_id": "CF11",
    "water_depth": 175,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1744",
    "depth": 41.0,
    "PO4": 1.59,
    "SiOH4": 26.74,
    "NO3_NO2": 20.67,
    "NO2": 0.06,
    "NH4": 0.03,
    "NO3": 20.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.5848] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 55,
    "stn_id": "CF11",
    "water_depth": 175,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1744",
    "depth": 51.0,
    "PO4": 1.6,
    "SiOH4": 26.86,
    "NO3_NO2": 21.02,
    "NO2": 0.0,
    "NH4": 0.03,
    "NO3": 21.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.5848] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 55,
    "stn_id": "CF11",
    "water_depth": 175,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1744",
    "depth": 75.0,
    "PO4": 1.61,
    "SiOH4": 26.4,
    "NO3_NO2": 20.81,
    "NO2": 0.05,
    "NH4": 0.03,
    "NO3": 20.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.5848] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 55,
    "stn_id": "CF11",
    "water_depth": 175,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1744",
    "depth": 99.0,
    "PO4": 1.6,
    "SiOH4": 25.83,
    "NO3_NO2": 20.6,
    "NO2": 0.02,
    "NH4": 0.03,
    "NO3": 20.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.5848] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 55,
    "stn_id": "CF11",
    "water_depth": 175,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1744",
    "depth": 125.0,
    "PO4": 1.6,
    "SiOH4": 25.49,
    "NO3_NO2": 20.46,
    "NO2": 0.04,
    "NH4": 0.03,
    "NO3": 20.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.5848] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 55,
    "stn_id": "CF11",
    "water_depth": 175,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1744",
    "depth": 150.0,
    "PO4": 1.64,
    "SiOH4": 25.56,
    "NO3_NO2": 21.02,
    "NO2": 0.01,
    "NH4": 0.03,
    "NO3": 21.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8688, 59.5848] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 55,
    "stn_id": "CF11",
    "water_depth": 175,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1744",
    "depth": 171.0,
    "PO4": 1.66,
    "SiOH4": 26.21,
    "NO3_NO2": 21.3,
    "NO2": 0.0,
    "NH4": 0.03,
    "NO3": 21.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.868, 59.6503] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "CF9",
    "water_depth": 179,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1846",
    "depth": 5.0,
    "PO4": 1.5,
    "SiOH4": 27.21,
    "NO3_NO2": 19.9,
    "NO2": 0.0,
    "NH4": 0.03,
    "NO3": 19.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.868, 59.6503] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "CF9",
    "water_depth": 179,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1846",
    "depth": 10.0,
    "PO4": 1.56,
    "SiOH4": 27.28,
    "NO3_NO2": 19.97,
    "NO2": 0.02,
    "NH4": 0.03,
    "NO3": 19.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.868, 59.6503] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "CF9",
    "water_depth": 179,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1846",
    "depth": 20.0,
    "PO4": 1.57,
    "SiOH4": 27.35,
    "NO3_NO2": 20.04,
    "NO2": 0.02,
    "NH4": 0.03,
    "NO3": 20.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.868, 59.6503] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "CF9",
    "water_depth": 179,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1846",
    "depth": 30.0,
    "PO4": 1.6,
    "SiOH4": 28.18,
    "NO3_NO2": 20.95,
    "NO2": 0.01,
    "NH4": 0.03,
    "NO3": 20.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.868, 59.6503] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "CF9",
    "water_depth": 179,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1846",
    "depth": 38.0,
    "PO4": 1.6,
    "SiOH4": 28.01,
    "NO3_NO2": 20.81,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 20.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.868, 59.6503] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "CF9",
    "water_depth": 179,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1846",
    "depth": 53.0,
    "PO4": 1.59,
    "SiOH4": 27.21,
    "NO3_NO2": 20.39,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 20.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.868, 59.6503] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "CF9",
    "water_depth": 179,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1846",
    "depth": 75.0,
    "PO4": 1.59,
    "SiOH4": 27.1,
    "NO3_NO2": 20.67,
    "NO2": 0.02,
    "NH4": 0.03,
    "NO3": 20.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.868, 59.6503] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "CF9",
    "water_depth": 179,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1846",
    "depth": 100.0,
    "PO4": 1.59,
    "SiOH4": 26.7,
    "NO3_NO2": 20.39,
    "NO2": 0.02,
    "NH4": 0.06,
    "NO3": 20.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.868, 59.6503] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "CF9",
    "water_depth": 179,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1846",
    "depth": 126.0,
    "PO4": 1.63,
    "SiOH4": 26.19,
    "NO3_NO2": 20.67,
    "NO2": 0.01,
    "NH4": 0.06,
    "NO3": 20.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.868, 59.6503] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "CF9",
    "water_depth": 179,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1846",
    "depth": 152.0,
    "PO4": 1.66,
    "SiOH4": 26.31,
    "NO3_NO2": 20.95,
    "NO2": 0.01,
    "NH4": 0.06,
    "NO3": 20.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.868, 59.6503] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "CF9",
    "water_depth": 179,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1846",
    "depth": 173.0,
    "PO4": 1.71,
    "SiOH4": 28.25,
    "NO3_NO2": 22.07,
    "NO2": 0.0,
    "NH4": 0.09,
    "NO3": 22.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.7173] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 59,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1953",
    "depth": 2.0,
    "PO4": 1.66,
    "SiOH4": 26.78,
    "NO3_NO2": 19.56,
    "NO2": 0.05,
    "NH4": 0.0,
    "NO3": 19.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.7173] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 59,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1953",
    "depth": 11.0,
    "PO4": 1.61,
    "SiOH4": 26.8,
    "NO3_NO2": 19.63,
    "NO2": 0.05,
    "NH4": 0.02,
    "NO3": 19.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.7173] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 59,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1953",
    "depth": 20.0,
    "PO4": 1.6,
    "SiOH4": 26.93,
    "NO3_NO2": 19.69,
    "NO2": 0.05,
    "NH4": 0.02,
    "NO3": 19.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.7173] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 59,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1953",
    "depth": 30.0,
    "PO4": 1.6,
    "SiOH4": 26.61,
    "NO3_NO2": 19.69,
    "NO2": 0.05,
    "NH4": 0.02,
    "NO3": 19.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.7173] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 59,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1953",
    "depth": 41.0,
    "PO4": 1.61,
    "SiOH4": 26.46,
    "NO3_NO2": 19.83,
    "NO2": 0.05,
    "NH4": 0.02,
    "NO3": 19.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.7173] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 59,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1953",
    "depth": 50.0,
    "PO4": 1.65,
    "SiOH4": 26.53,
    "NO3_NO2": 20.45,
    "NO2": 0.05,
    "NH4": 0.01,
    "NO3": 20.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.7173] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 59,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1953",
    "depth": 75.0,
    "PO4": 1.58,
    "SiOH4": 25.14,
    "NO3_NO2": 20.04,
    "NO2": 0.05,
    "NH4": 0.01,
    "NO3": 19.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.7173] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 59,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1953",
    "depth": 101.0,
    "PO4": 1.67,
    "SiOH4": 25.05,
    "NO3_NO2": 19.97,
    "NO2": 0.03,
    "NH4": 0.01,
    "NO3": 19.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.7173] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 59,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1953",
    "depth": 125.0,
    "PO4": 1.64,
    "SiOH4": 25.01,
    "NO3_NO2": 19.97,
    "NO2": 0.03,
    "NH4": 0.01,
    "NO3": 19.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.7173] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 59,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1953",
    "depth": 150.0,
    "PO4": 1.62,
    "SiOH4": 24.07,
    "NO3_NO2": 19.83,
    "NO2": 0.08,
    "NH4": 0.03,
    "NO3": 19.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.7173] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 59,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "1953",
    "depth": 178.0,
    "PO4": 1.74,
    "SiOH4": 26.68,
    "NO3_NO2": 21.55,
    "NO2": 0.0,
    "NH4": 0.03,
    "NO3": 21.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.7833] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 61,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "2059",
    "depth": 3.0,
    "PO4": 1.52,
    "SiOH4": 25.51,
    "NO3_NO2": 18.87,
    "NO2": 0.05,
    "NH4": 0.11,
    "NO3": 18.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.7833] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 61,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "2059",
    "depth": 11.0,
    "PO4": 1.53,
    "SiOH4": 25.64,
    "NO3_NO2": 18.94,
    "NO2": 0.05,
    "NH4": 0.11,
    "NO3": 18.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.7833] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 61,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "2059",
    "depth": 21.0,
    "PO4": 1.56,
    "SiOH4": 25.6,
    "NO3_NO2": 19.01,
    "NO2": 0.05,
    "NH4": 0.1,
    "NO3": 18.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.7833] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 61,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "2059",
    "depth": 30.0,
    "PO4": 1.57,
    "SiOH4": 25.85,
    "NO3_NO2": 19.07,
    "NO2": 0.05,
    "NH4": 0.16,
    "NO3": 19.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.7833] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 61,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "2059",
    "depth": 41.0,
    "PO4": 1.59,
    "SiOH4": 25.92,
    "NO3_NO2": 19.69,
    "NO2": 0.05,
    "NH4": 0.1,
    "NO3": 19.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.7833] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 61,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "2059",
    "depth": 50.0,
    "PO4": 1.61,
    "SiOH4": 25.77,
    "NO3_NO2": 19.97,
    "NO2": 0.05,
    "NH4": 0.04,
    "NO3": 19.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.7833] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 61,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "2059",
    "depth": 75.0,
    "PO4": 1.65,
    "SiOH4": 25.28,
    "NO3_NO2": 20.11,
    "NO2": 0.05,
    "NH4": 0.01,
    "NO3": 20.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.7833] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 61,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "2059",
    "depth": 101.0,
    "PO4": 1.62,
    "SiOH4": 24.62,
    "NO3_NO2": 19.97,
    "NO2": 0.03,
    "NH4": 0.04,
    "NO3": 19.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.7833] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 61,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "2059",
    "depth": 127.0,
    "PO4": 1.65,
    "SiOH4": 24.64,
    "NO3_NO2": 20.04,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 20.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.7833] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 61,
    "stn_id": "CF5",
    "water_depth": 194,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "2059",
    "depth": 190.0,
    "PO4": 1.74,
    "SiOH4": 26.86,
    "NO3_NO2": 21.48,
    "NO2": 0.03,
    "NH4": 0.09,
    "NO3": 21.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.8503] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 63,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "2205",
    "depth": 3.0,
    "PO4": 1.33,
    "SiOH4": 20.17,
    "NO3_NO2": 14.36,
    "NO2": 0.11,
    "NH4": 0.02,
    "NO3": 14.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.8503] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 63,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "2205",
    "depth": 11.0,
    "PO4": 1.33,
    "SiOH4": 21.96,
    "NO3_NO2": 15.93,
    "NO2": 0.06,
    "NH4": 0.01,
    "NO3": 15.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.8503] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 63,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "2205",
    "depth": 20.0,
    "PO4": 1.55,
    "SiOH4": 26.92,
    "NO3_NO2": 20.0,
    "NO2": 0.06,
    "NH4": 0.04,
    "NO3": 19.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.8503] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 63,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "2205",
    "depth": 30.0,
    "PO4": 1.65,
    "SiOH4": 27.84,
    "NO3_NO2": 21.14,
    "NO2": 0.07,
    "NH4": 0.03,
    "NO3": 21.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.8503] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 63,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "2205",
    "depth": 40.0,
    "PO4": 1.66,
    "SiOH4": 27.72,
    "NO3_NO2": 21.43,
    "NO2": 0.07,
    "NH4": 0.02,
    "NO3": 21.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.8503] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 63,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "2205",
    "depth": 50.0,
    "PO4": 1.66,
    "SiOH4": 27.78,
    "NO3_NO2": 21.5,
    "NO2": 0.07,
    "NH4": 0.01,
    "NO3": 21.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.8503] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 63,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "2205",
    "depth": 75.0,
    "PO4": 1.67,
    "SiOH4": 27.67,
    "NO3_NO2": 21.5,
    "NO2": 0.08,
    "NH4": 0.01,
    "NO3": 21.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.8503] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 63,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "2205",
    "depth": 100.0,
    "PO4": 1.66,
    "SiOH4": 26.98,
    "NO3_NO2": 21.36,
    "NO2": 0.08,
    "NH4": 0.03,
    "NO3": 21.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.8503] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 63,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "2205",
    "depth": 125.0,
    "PO4": 1.65,
    "SiOH4": 26.51,
    "NO3_NO2": 21.29,
    "NO2": 0.09,
    "NH4": 0.05,
    "NO3": 21.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.8503] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 63,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "2205",
    "depth": 150.0,
    "PO4": 1.63,
    "SiOH4": 25.53,
    "NO3_NO2": 20.93,
    "NO2": 0.09,
    "NH4": 0.01,
    "NO3": 20.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8684, 59.8503] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 63,
    "stn_id": "CF3",
    "water_depth": 162,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "2205",
    "depth": 158.0,
    "PO4": 1.66,
    "SiOH4": 26.0,
    "NO3_NO2": 20.64,
    "NO2": 0.09,
    "NH4": 0.01,
    "NO3": 20.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.9089] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 65,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "2306",
    "depth": 2.0,
    "PO4": 0.58,
    "SiOH4": 8.24,
    "NO3_NO2": 3.14,
    "NO2": 0.02,
    "NH4": 0.12,
    "NO3": 3.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.9089] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 65,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "2306",
    "depth": 10.0,
    "PO4": 0.76,
    "SiOH4": 12.05,
    "NO3_NO2": 7.64,
    "NO2": 0.02,
    "NH4": 0.11,
    "NO3": 7.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.9089] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 65,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "2306",
    "depth": 21.0,
    "PO4": 1.15,
    "SiOH4": 19.31,
    "NO3_NO2": 14.43,
    "NO2": 0.05,
    "NH4": 0.25,
    "NO3": 14.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.9089] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 65,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "2306",
    "depth": 30.0,
    "PO4": 1.22,
    "SiOH4": 20.75,
    "NO3_NO2": 15.5,
    "NO2": 0.06,
    "NH4": 0.25,
    "NO3": 15.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.9089] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 65,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "2306",
    "depth": 41.0,
    "PO4": 1.33,
    "SiOH4": 22.54,
    "NO3_NO2": 16.71,
    "NO2": 0.04,
    "NH4": 0.24,
    "NO3": 16.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.9089] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 65,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "2306",
    "depth": 51.0,
    "PO4": 1.39,
    "SiOH4": 25.18,
    "NO3_NO2": 17.71,
    "NO2": 0.04,
    "NH4": 0.29,
    "NO3": 17.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.9089] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 65,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "2306",
    "depth": 75.0,
    "PO4": 1.46,
    "SiOH4": 27.29,
    "NO3_NO2": 19.14,
    "NO2": 0.04,
    "NH4": 0.25,
    "NO3": 19.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8669, 59.9089] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 65,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "4",
    "day_gmt": "08",
    "time_gmt": "2306",
    "depth": 83.0,
    "PO4": 1.53,
    "SiOH4": 28.34,
    "NO3_NO2": 19.64,
    "NO2": 0.05,
    "NH4": 0.25,
    "NO3": 19.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6044, 60.217] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 66,
    "stn_id": "HE1",
    "water_depth": 73,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1443",
    "depth": 2.0,
    "PO4": 1.66,
    "SiOH4": 26.54,
    "NO3_NO2": 19.48,
    "NO2": 0.01,
    "NH4": 0.05,
    "NO3": 19.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6044, 60.217] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 66,
    "stn_id": "HE1",
    "water_depth": 73,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1443",
    "depth": 9.0,
    "PO4": 1.64,
    "SiOH4": 26.67,
    "NO3_NO2": 19.54,
    "NO2": 0.03,
    "NH4": 0.02,
    "NO3": 19.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6044, 60.217] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 66,
    "stn_id": "HE1",
    "water_depth": 73,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1443",
    "depth": 22.0,
    "PO4": 1.65,
    "SiOH4": 26.67,
    "NO3_NO2": 19.67,
    "NO2": 0.04,
    "NH4": 0.02,
    "NO3": 19.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6044, 60.217] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 66,
    "stn_id": "HE1",
    "water_depth": 73,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1443",
    "depth": 31.0,
    "PO4": 1.64,
    "SiOH4": 26.67,
    "NO3_NO2": 19.66,
    "NO2": 0.05,
    "NH4": 0.02,
    "NO3": 19.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6044, 60.217] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 66,
    "stn_id": "HE1",
    "water_depth": 73,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1443",
    "depth": 39.0,
    "PO4": 1.64,
    "SiOH4": 26.79,
    "NO3_NO2": 19.79,
    "NO2": 0.01,
    "NH4": 0.02,
    "NO3": 19.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6044, 60.217] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 66,
    "stn_id": "HE1",
    "water_depth": 73,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1443",
    "depth": 50.0,
    "PO4": 1.67,
    "SiOH4": 26.79,
    "NO3_NO2": 19.85,
    "NO2": 0.03,
    "NH4": 0.01,
    "NO3": 19.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6044, 60.217] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 66,
    "stn_id": "HE1",
    "water_depth": 73,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1443",
    "depth": 70.0,
    "PO4": 1.65,
    "SiOH4": 26.92,
    "NO3_NO2": 19.84,
    "NO2": 0.04,
    "NH4": 0.01,
    "NO3": 19.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.603, 60.1791] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 67,
    "stn_id": "HE2",
    "water_depth": 186,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1522",
    "depth": 2.0,
    "PO4": 1.56,
    "SiOH4": 28.16,
    "NO3_NO2": 19.35,
    "NO2": 0.03,
    "NH4": 0.01,
    "NO3": 19.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.603, 60.1791] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 67,
    "stn_id": "HE2",
    "water_depth": 186,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1522",
    "depth": 10.0,
    "PO4": 1.59,
    "SiOH4": 28.03,
    "NO3_NO2": 19.68,
    "NO2": 0.01,
    "NH4": 0.01,
    "NO3": 19.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.603, 60.1791] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 67,
    "stn_id": "HE2",
    "water_depth": 186,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1522",
    "depth": 20.0,
    "PO4": 1.61,
    "SiOH4": 27.85,
    "NO3_NO2": 19.88,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 19.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.603, 60.1791] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 67,
    "stn_id": "HE2",
    "water_depth": 186,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1522",
    "depth": 30.0,
    "PO4": 1.63,
    "SiOH4": 27.72,
    "NO3_NO2": 19.94,
    "NO2": 0.01,
    "NH4": 0.0,
    "NO3": 19.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.603, 60.1791] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 67,
    "stn_id": "HE2",
    "water_depth": 186,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1522",
    "depth": 41.0,
    "PO4": 1.62,
    "SiOH4": 28.16,
    "NO3_NO2": 19.93,
    "NO2": 0.0,
    "NH4": 0.0,
    "NO3": 19.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.603, 60.1791] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 67,
    "stn_id": "HE2",
    "water_depth": 186,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1522",
    "depth": 50.0,
    "PO4": 1.61,
    "SiOH4": 28.16,
    "NO3_NO2": 20.06,
    "NO2": 0.09,
    "NH4": 0.02,
    "NO3": 19.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.603, 60.1791] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 67,
    "stn_id": "HE2",
    "water_depth": 186,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1522",
    "depth": 75.0,
    "PO4": 1.63,
    "SiOH4": 27.41,
    "NO3_NO2": 19.98,
    "NO2": 0.11,
    "NH4": 0.02,
    "NO3": 19.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.603, 60.1791] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 67,
    "stn_id": "HE2",
    "water_depth": 186,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1522",
    "depth": 101.0,
    "PO4": 1.63,
    "SiOH4": 28.1,
    "NO3_NO2": 20.11,
    "NO2": 0.09,
    "NH4": 0.02,
    "NO3": 20.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.603, 60.1791] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 67,
    "stn_id": "HE2",
    "water_depth": 186,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1522",
    "depth": 126.0,
    "PO4": 1.64,
    "SiOH4": 27.41,
    "NO3_NO2": 19.96,
    "NO2": 0.08,
    "NH4": 0.04,
    "NO3": 19.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.603, 60.1791] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 67,
    "stn_id": "HE2",
    "water_depth": 186,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1522",
    "depth": 151.0,
    "PO4": 1.61,
    "SiOH4": 27.54,
    "NO3_NO2": 20.02,
    "NO2": 0.09,
    "NH4": 0.04,
    "NO3": 19.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.603, 60.1791] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 67,
    "stn_id": "HE2",
    "water_depth": 186,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1522",
    "depth": 174.0,
    "PO4": 1.63,
    "SiOH4": 27.72,
    "NO3_NO2": 20.08,
    "NO2": 0.08,
    "NH4": 0.09,
    "NO3": 20.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6098, 60.1313] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "HE3",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1617",
    "depth": 2.0,
    "PO4": 1.66,
    "SiOH4": 27.87,
    "NO3_NO2": 21.03,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 21.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6098, 60.1313] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "HE3",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1617",
    "depth": 10.0,
    "PO4": 1.66,
    "SiOH4": 27.89,
    "NO3_NO2": 21.02,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 20.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6098, 60.1313] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "HE3",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1617",
    "depth": 20.0,
    "PO4": 1.62,
    "SiOH4": 27.14,
    "NO3_NO2": 21.08,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 21.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6098, 60.1313] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "HE3",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1617",
    "depth": 30.0,
    "PO4": 1.65,
    "SiOH4": 26.99,
    "NO3_NO2": 21.21,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 21.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6098, 60.1313] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "HE3",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1617",
    "depth": 40.0,
    "PO4": 1.65,
    "SiOH4": 26.85,
    "NO3_NO2": 21.27,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 21.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6098, 60.1313] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "HE3",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1617",
    "depth": 51.0,
    "PO4": 1.63,
    "SiOH4": 26.2,
    "NO3_NO2": 21.11,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 21.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6098, 60.1313] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "HE3",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1617",
    "depth": 76.0,
    "PO4": 1.65,
    "SiOH4": 26.17,
    "NO3_NO2": 21.1,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 21.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6098, 60.1313] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "HE3",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1617",
    "depth": 109.0,
    "PO4": 1.67,
    "SiOH4": 26.08,
    "NO3_NO2": 21.16,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 21.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6131, 60.0796] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 69,
    "stn_id": "HE4",
    "water_depth": 113,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1700",
    "depth": 3.0,
    "PO4": 1.56,
    "SiOH4": 25.99,
    "NO3_NO2": 20.09,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 20.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6131, 60.0796] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 69,
    "stn_id": "HE4",
    "water_depth": 113,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1700",
    "depth": 9.0,
    "PO4": 1.58,
    "SiOH4": 26.01,
    "NO3_NO2": 20.15,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 20.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6131, 60.0796] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 69,
    "stn_id": "HE4",
    "water_depth": 113,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1700",
    "depth": 19.0,
    "PO4": 1.57,
    "SiOH4": 25.81,
    "NO3_NO2": 20.35,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 20.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6131, 60.0796] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 69,
    "stn_id": "HE4",
    "water_depth": 113,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1700",
    "depth": 30.0,
    "PO4": 1.58,
    "SiOH4": 25.88,
    "NO3_NO2": 20.55,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 20.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6131, 60.0796] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 69,
    "stn_id": "HE4",
    "water_depth": 113,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1700",
    "depth": 41.0,
    "PO4": 1.57,
    "SiOH4": 25.79,
    "NO3_NO2": 20.61,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 20.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6131, 60.0796] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 69,
    "stn_id": "HE4",
    "water_depth": 113,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1700",
    "depth": 51.0,
    "PO4": 1.61,
    "SiOH4": 25.53,
    "NO3_NO2": 20.66,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 20.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6131, 60.0796] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 69,
    "stn_id": "HE4",
    "water_depth": 113,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1700",
    "depth": 76.0,
    "PO4": 1.59,
    "SiOH4": 22.23,
    "NO3_NO2": 20.51,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 20.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6088, 60.029] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "HE5",
    "water_depth": 88,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1742",
    "depth": 3.0,
    "PO4": 1.53,
    "SiOH4": 26.3,
    "NO3_NO2": 20.36,
    "NO2": 0.03,
    "NH4": 0.06,
    "NO3": 20.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6088, 60.029] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "HE5",
    "water_depth": 88,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1742",
    "depth": 10.0,
    "PO4": 1.52,
    "SiOH4": 26.54,
    "NO3_NO2": 20.42,
    "NO2": 0.03,
    "NH4": 0.06,
    "NO3": 20.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6088, 60.029] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "HE5",
    "water_depth": 88,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1742",
    "depth": 20.0,
    "PO4": 1.51,
    "SiOH4": 26.39,
    "NO3_NO2": 20.4,
    "NO2": 0.03,
    "NH4": 0.06,
    "NO3": 20.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6088, 60.029] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "HE5",
    "water_depth": 88,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1742",
    "depth": 30.0,
    "PO4": 1.54,
    "SiOH4": 26.03,
    "NO3_NO2": 20.68,
    "NO2": 0.03,
    "NH4": 0.06,
    "NO3": 20.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6088, 60.029] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "HE5",
    "water_depth": 88,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1742",
    "depth": 41.0,
    "PO4": 1.54,
    "SiOH4": 26.16,
    "NO3_NO2": 20.88,
    "NO2": 0.03,
    "NH4": 0.06,
    "NO3": 20.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6088, 60.029] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "HE5",
    "water_depth": 88,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1742",
    "depth": 51.0,
    "PO4": 1.49,
    "SiOH4": 25.57,
    "NO3_NO2": 20.37,
    "NO2": 0.03,
    "NH4": 0.06,
    "NO3": 20.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6088, 60.029] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "HE5",
    "water_depth": 88,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1742",
    "depth": 76.0,
    "PO4": 1.55,
    "SiOH4": 25.42,
    "NO3_NO2": 20.5,
    "NO2": 0.03,
    "NH4": 0.06,
    "NO3": 20.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6088, 60.029] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "HE5",
    "water_depth": 88,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1742",
    "depth": 89.0,
    "PO4": 1.56,
    "SiOH4": 25.28,
    "NO3_NO2": 20.42,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 20.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6998, 60.0432] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 71,
    "stn_id": "HE6",
    "water_depth": 117,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1811",
    "depth": 2.0,
    "PO4": 2.6,
    "SiOH4": 18.04,
    "NO3_NO2": 19.32,
    "NO2": 0.15,
    "NH4": 0.08,
    "NO3": 19.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6998, 60.0432] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 71,
    "stn_id": "HE6",
    "water_depth": 117,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1811",
    "depth": 10.0,
    "PO4": 2.57,
    "SiOH4": 17.5,
    "NO3_NO2": 19.37,
    "NO2": 0.15,
    "NH4": 0.08,
    "NO3": 19.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6998, 60.0432] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 71,
    "stn_id": "HE6",
    "water_depth": 117,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1811",
    "depth": 20.0,
    "PO4": 2.58,
    "SiOH4": 16.67,
    "NO3_NO2": 19.21,
    "NO2": 0.15,
    "NH4": 0.06,
    "NO3": 19.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6998, 60.0432] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 71,
    "stn_id": "HE6",
    "water_depth": 117,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1811",
    "depth": 30.0,
    "PO4": 2.57,
    "SiOH4": 16.35,
    "NO3_NO2": 19.25,
    "NO2": 0.15,
    "NH4": 0.06,
    "NO3": 19.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6998, 60.0432] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 71,
    "stn_id": "HE6",
    "water_depth": 117,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1811",
    "depth": 40.0,
    "PO4": 2.53,
    "SiOH4": 15.74,
    "NO3_NO2": 19.64,
    "NO2": 0.18,
    "NH4": 0.0,
    "NO3": 19.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6998, 60.0432] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 71,
    "stn_id": "HE6",
    "water_depth": 117,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1811",
    "depth": 50.0,
    "PO4": 2.51,
    "SiOH4": 14.97,
    "NO3_NO2": 19.55,
    "NO2": 0.15,
    "NH4": 0.0,
    "NO3": 19.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6998, 60.0432] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 71,
    "stn_id": "HE6",
    "water_depth": 117,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1811",
    "depth": 75.0,
    "PO4": 2.56,
    "SiOH4": 14.14,
    "NO3_NO2": 19.53,
    "NO2": 0.18,
    "NH4": 0.08,
    "NO3": 19.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6998, 60.0432] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 71,
    "stn_id": "HE6",
    "water_depth": 117,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1811",
    "depth": 101.0,
    "PO4": 2.65,
    "SiOH4": 13.26,
    "NO3_NO2": 19.64,
    "NO2": 0.28,
    "NH4": 0.06,
    "NO3": 19.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6998, 60.0432] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 71,
    "stn_id": "HE6",
    "water_depth": 117,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1811",
    "depth": 114.0,
    "PO4": 2.66,
    "SiOH4": 11.92,
    "NO3_NO2": 19.69,
    "NO2": 0.28,
    "NH4": 0.06,
    "NO3": 19.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7926, 60.0584] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "HE7",
    "water_depth": 117,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1845",
    "depth": 2.0,
    "PO4": 2.58,
    "SiOH4": 14.65,
    "NO3_NO2": 20.28,
    "NO2": 0.15,
    "NH4": 0.06,
    "NO3": 20.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7926, 60.0584] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "HE7",
    "water_depth": 117,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1845",
    "depth": 10.0,
    "PO4": 2.6,
    "SiOH4": 14.84,
    "NO3_NO2": 20.33,
    "NO2": 0.15,
    "NH4": 0.06,
    "NO3": 20.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7926, 60.0584] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "HE7",
    "water_depth": 117,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1845",
    "depth": 20.0,
    "PO4": 2.65,
    "SiOH4": 14.58,
    "NO3_NO2": 20.51,
    "NO2": 0.18,
    "NH4": 0.06,
    "NO3": 20.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7926, 60.0584] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "HE7",
    "water_depth": 117,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1845",
    "depth": 31.0,
    "PO4": 2.66,
    "SiOH4": 14.14,
    "NO3_NO2": 20.55,
    "NO2": 0.18,
    "NH4": 0.03,
    "NO3": 20.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7926, 60.0584] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "HE7",
    "water_depth": 117,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1845",
    "depth": 40.0,
    "PO4": 2.64,
    "SiOH4": 13.77,
    "NO3_NO2": 20.33,
    "NO2": 0.21,
    "NH4": 0.17,
    "NO3": 20.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7926, 60.0584] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "HE7",
    "water_depth": 117,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1845",
    "depth": 51.0,
    "PO4": 2.65,
    "SiOH4": 12.83,
    "NO3_NO2": 20.3,
    "NO2": 0.23,
    "NH4": 0.17,
    "NO3": 20.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7926, 60.0584] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "HE7",
    "water_depth": 117,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1845",
    "depth": 75.0,
    "PO4": 2.65,
    "SiOH4": 12.34,
    "NO3_NO2": 20.42,
    "NO2": 0.28,
    "NH4": 0.2,
    "NO3": 20.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7926, 60.0584] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "HE7",
    "water_depth": 117,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1845",
    "depth": 100.0,
    "PO4": 2.69,
    "SiOH4": 10.77,
    "NO3_NO2": 20.05,
    "NO2": 0.28,
    "NH4": 0.2,
    "NO3": 19.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8815, 60.0775] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 73,
    "stn_id": "HE8",
    "water_depth": 105,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1922",
    "depth": 3.0,
    "PO4": 1.64,
    "SiOH4": 28.1,
    "NO3_NO2": 20.6,
    "NO2": 0.13,
    "NH4": 0.0,
    "NO3": 20.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8815, 60.0775] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 73,
    "stn_id": "HE8",
    "water_depth": 105,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1922",
    "depth": 10.0,
    "PO4": 1.64,
    "SiOH4": 28.33,
    "NO3_NO2": 20.6,
    "NO2": 0.13,
    "NH4": 0.0,
    "NO3": 20.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8815, 60.0775] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 73,
    "stn_id": "HE8",
    "water_depth": 105,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1922",
    "depth": 20.0,
    "PO4": 1.6,
    "SiOH4": 27.97,
    "NO3_NO2": 20.6,
    "NO2": 0.13,
    "NH4": 0.0,
    "NO3": 20.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8815, 60.0775] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 73,
    "stn_id": "HE8",
    "water_depth": 105,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1922",
    "depth": 30.0,
    "PO4": 1.58,
    "SiOH4": 28.02,
    "NO3_NO2": 20.52,
    "NO2": 0.13,
    "NH4": 0.01,
    "NO3": 20.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8815, 60.0775] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 73,
    "stn_id": "HE8",
    "water_depth": 105,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1922",
    "depth": 40.0,
    "PO4": 1.65,
    "SiOH4": 27.55,
    "NO3_NO2": 20.59,
    "NO2": 0.13,
    "NH4": 0.04,
    "NO3": 20.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8815, 60.0775] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 73,
    "stn_id": "HE8",
    "water_depth": 105,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1922",
    "depth": 51.0,
    "PO4": 1.64,
    "SiOH4": 26.03,
    "NO3_NO2": 20.59,
    "NO2": 0.13,
    "NH4": 0.01,
    "NO3": 20.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8815, 60.0775] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 73,
    "stn_id": "HE8",
    "water_depth": 105,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1922",
    "depth": 76.0,
    "PO4": 1.62,
    "SiOH4": 24.39,
    "NO3_NO2": 20.09,
    "NO2": 0.16,
    "NH4": 0.01,
    "NO3": 19.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8815, 60.0775] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 73,
    "stn_id": "HE8",
    "water_depth": 105,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "1922",
    "depth": 103.0,
    "PO4": 1.63,
    "SiOH4": 24.56,
    "NO3_NO2": 19.88,
    "NO2": 0.18,
    "NH4": 0.01,
    "NO3": 19.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9635, 60.0941] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 75,
    "stn_id": "HE9",
    "water_depth": 149,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2013",
    "depth": 3.0,
    "PO4": 1.56,
    "SiOH4": 27.06,
    "NO3_NO2": 20.09,
    "NO2": 0.13,
    "NH4": 0.01,
    "NO3": 19.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9635, 60.0941] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 75,
    "stn_id": "HE9",
    "water_depth": 149,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2013",
    "depth": 10.0,
    "PO4": 1.57,
    "SiOH4": 26.88,
    "NO3_NO2": 20.08,
    "NO2": 0.13,
    "NH4": 0.02,
    "NO3": 19.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9635, 60.0941] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 75,
    "stn_id": "HE9",
    "water_depth": 149,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2013",
    "depth": 21.0,
    "PO4": 1.57,
    "SiOH4": 26.06,
    "NO3_NO2": 20.01,
    "NO2": 0.13,
    "NH4": 0.02,
    "NO3": 19.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9635, 60.0941] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 75,
    "stn_id": "HE9",
    "water_depth": 149,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2013",
    "depth": 30.0,
    "PO4": 1.58,
    "SiOH4": 25.82,
    "NO3_NO2": 20.01,
    "NO2": 0.13,
    "NH4": 0.05,
    "NO3": 19.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9635, 60.0941] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 75,
    "stn_id": "HE9",
    "water_depth": 149,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2013",
    "depth": 41.0,
    "PO4": 1.56,
    "SiOH4": 25.4,
    "NO3_NO2": 19.93,
    "NO2": 0.16,
    "NH4": 0.05,
    "NO3": 19.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9635, 60.0941] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 75,
    "stn_id": "HE9",
    "water_depth": 149,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2013",
    "depth": 50.0,
    "PO4": 1.59,
    "SiOH4": 25.45,
    "NO3_NO2": 19.86,
    "NO2": 0.18,
    "NH4": 0.05,
    "NO3": 19.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9635, 60.0941] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 75,
    "stn_id": "HE9",
    "water_depth": 149,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2013",
    "depth": 75.0,
    "PO4": 1.58,
    "SiOH4": 24.63,
    "NO3_NO2": 19.44,
    "NO2": 0.21,
    "NH4": 0.05,
    "NO3": 19.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9635, 60.0941] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 75,
    "stn_id": "HE9",
    "water_depth": 149,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2013",
    "depth": 100.0,
    "PO4": 1.53,
    "SiOH4": 24.1,
    "NO3_NO2": 19.43,
    "NO2": 0.24,
    "NH4": 0.05,
    "NO3": 19.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9635, 60.0941] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 75,
    "stn_id": "HE9",
    "water_depth": 149,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2013",
    "depth": 124.0,
    "PO4": 1.54,
    "SiOH4": 24.33,
    "NO3_NO2": 19.57,
    "NO2": 0.24,
    "NH4": 0.05,
    "NO3": 19.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9635, 60.0941] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 75,
    "stn_id": "HE9",
    "water_depth": 149,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2013",
    "depth": 147.0,
    "PO4": 1.61,
    "SiOH4": 24.2,
    "NO3_NO2": 19.98,
    "NO2": 0.21,
    "NH4": 0.11,
    "NO3": 19.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0501, 60.1109] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "HE10",
    "water_depth": 279,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2050",
    "depth": 2.0,
    "PO4": 1.66,
    "SiOH4": 26.02,
    "NO3_NO2": 19.92,
    "NO2": 0.02,
    "NH4": 0.08,
    "NO3": 19.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0501, 60.1109] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "HE10",
    "water_depth": 279,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2050",
    "depth": 10.0,
    "PO4": 1.63,
    "SiOH4": 25.97,
    "NO3_NO2": 20.12,
    "NO2": 0.02,
    "NH4": 0.03,
    "NO3": 20.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0501, 60.1109] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "HE10",
    "water_depth": 279,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2050",
    "depth": 20.0,
    "PO4": 1.64,
    "SiOH4": 25.91,
    "NO3_NO2": 20.19,
    "NO2": 0.01,
    "NH4": 0.03,
    "NO3": 20.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0501, 60.1109] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "HE10",
    "water_depth": 279,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2050",
    "depth": 30.0,
    "PO4": 1.65,
    "SiOH4": 24.97,
    "NO3_NO2": 20.39,
    "NO2": 0.01,
    "NH4": 0.03,
    "NO3": 20.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0501, 60.1109] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "HE10",
    "water_depth": 279,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2050",
    "depth": 40.0,
    "PO4": 1.64,
    "SiOH4": 25.32,
    "NO3_NO2": 20.39,
    "NO2": 0.01,
    "NH4": 0.05,
    "NO3": 20.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0501, 60.1109] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "HE10",
    "water_depth": 279,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2050",
    "depth": 51.0,
    "PO4": 1.63,
    "SiOH4": 25.2,
    "NO3_NO2": 20.32,
    "NO2": 0.05,
    "NH4": 0.08,
    "NO3": 20.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0501, 60.1109] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "HE10",
    "water_depth": 279,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2050",
    "depth": 75.0,
    "PO4": 1.65,
    "SiOH4": 24.8,
    "NO3_NO2": 20.18,
    "NO2": 0.05,
    "NH4": 0.08,
    "NO3": 20.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0501, 60.1109] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "HE10",
    "water_depth": 279,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2050",
    "depth": 101.0,
    "PO4": 1.58,
    "SiOH4": 23.68,
    "NO3_NO2": 19.48,
    "NO2": 0.07,
    "NH4": 0.08,
    "NO3": 19.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0501, 60.1109] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "HE10",
    "water_depth": 279,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2050",
    "depth": 151.0,
    "PO4": 1.56,
    "SiOH4": 22.63,
    "NO3_NO2": 19.2,
    "NO2": 0.07,
    "NH4": 0.08,
    "NO3": 19.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0501, 60.1109] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "HE10",
    "water_depth": 279,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2050",
    "depth": 201.0,
    "PO4": 1.62,
    "SiOH4": 23.57,
    "NO3_NO2": 20.31,
    "NO2": 0.01,
    "NH4": 0.03,
    "NO3": 20.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0501, 60.1109] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "HE10",
    "water_depth": 279,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2050",
    "depth": 250.0,
    "PO4": 1.88,
    "SiOH4": 27.89,
    "NO3_NO2": 23.36,
    "NO2": 0.01,
    "NH4": 0.14,
    "NO3": 23.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0501, 60.1109] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "HE10",
    "water_depth": 279,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2050",
    "depth": 273.0,
    "PO4": 1.89,
    "SiOH4": 27.95,
    "NO3_NO2": 23.42,
    "NO2": 0.03,
    "NH4": 0.16,
    "NO3": 23.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1368, 60.131] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 77,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2144",
    "depth": 3.0,
    "PO4": 1.58,
    "SiOH4": 27.84,
    "NO3_NO2": 20.51,
    "NO2": 0.02,
    "NH4": 0.08,
    "NO3": 20.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1368, 60.131] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 77,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2144",
    "depth": 10.0,
    "PO4": 1.58,
    "SiOH4": 28.19,
    "NO3_NO2": 20.5,
    "NO2": 0.05,
    "NH4": 0.11,
    "NO3": 20.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1368, 60.131] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 77,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2144",
    "depth": 20.0,
    "PO4": 1.57,
    "SiOH4": 28.42,
    "NO3_NO2": 20.64,
    "NO2": 0.04,
    "NH4": 0.11,
    "NO3": 20.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1368, 60.131] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 77,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2144",
    "depth": 30.0,
    "PO4": 1.57,
    "SiOH4": 28.01,
    "NO3_NO2": 20.71,
    "NO2": 0.06,
    "NH4": 0.08,
    "NO3": 20.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1368, 60.131] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 77,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2144",
    "depth": 40.0,
    "PO4": 1.56,
    "SiOH4": 28.71,
    "NO3_NO2": 20.77,
    "NO2": 0.03,
    "NH4": 0.11,
    "NO3": 20.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1368, 60.131] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 77,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2144",
    "depth": 50.0,
    "PO4": 1.57,
    "SiOH4": 28.48,
    "NO3_NO2": 20.7,
    "NO2": 0.03,
    "NH4": 0.05,
    "NO3": 20.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1368, 60.131] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 77,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2144",
    "depth": 75.0,
    "PO4": 1.58,
    "SiOH4": 26.9,
    "NO3_NO2": 20.07,
    "NO2": 0.05,
    "NH4": 0.05,
    "NO3": 20.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1368, 60.131] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 77,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2144",
    "depth": 100.0,
    "PO4": 1.55,
    "SiOH4": 25.61,
    "NO3_NO2": 19.86,
    "NO2": 0.1,
    "NH4": 0.11,
    "NO3": 19.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1368, 60.131] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 77,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2144",
    "depth": 125.0,
    "PO4": 1.57,
    "SiOH4": 25.2,
    "NO3_NO2": 19.86,
    "NO2": 0.1,
    "NH4": 0.08,
    "NO3": 19.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1368, 60.131] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 77,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2144",
    "depth": 150.0,
    "PO4": 1.56,
    "SiOH4": 24.74,
    "NO3_NO2": 19.79,
    "NO2": 0.12,
    "NH4": 0.03,
    "NO3": 19.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1368, 60.131] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 77,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2144",
    "depth": 200.0,
    "PO4": 1.7,
    "SiOH4": 24.85,
    "NO3_NO2": 21.52,
    "NO2": 0.09,
    "NH4": 0.05,
    "NO3": 21.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1368, 60.131] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 77,
    "stn_id": "HE11",
    "water_depth": 217,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2144",
    "depth": 213.0,
    "PO4": 1.8,
    "SiOH4": 25.97,
    "NO3_NO2": 22.63,
    "NO2": 0.08,
    "NH4": 0.08,
    "NO3": 22.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1917, 60.143] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "HE12",
    "water_depth": 178,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2226",
    "depth": 2.0,
    "PO4": 1.63,
    "SiOH4": 24.95,
    "NO3_NO2": 19.05,
    "NO2": 0.0,
    "NH4": 0.13,
    "NO3": 19.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1917, 60.143] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "HE12",
    "water_depth": 178,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2226",
    "depth": 10.0,
    "PO4": 1.63,
    "SiOH4": 25.29,
    "NO3_NO2": 19.05,
    "NO2": 0.04,
    "NH4": 0.08,
    "NO3": 19.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1917, 60.143] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "HE12",
    "water_depth": 178,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2226",
    "depth": 20.0,
    "PO4": 1.62,
    "SiOH4": 25.38,
    "NO3_NO2": 19.26,
    "NO2": 0.03,
    "NH4": 0.05,
    "NO3": 19.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1917, 60.143] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "HE12",
    "water_depth": 178,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2226",
    "depth": 30.0,
    "PO4": 1.61,
    "SiOH4": 25.66,
    "NO3_NO2": 19.26,
    "NO2": 0.03,
    "NH4": 0.08,
    "NO3": 19.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1917, 60.143] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "HE12",
    "water_depth": 178,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2226",
    "depth": 40.0,
    "PO4": 1.64,
    "SiOH4": 26.05,
    "NO3_NO2": 19.33,
    "NO2": 0.05,
    "NH4": 0.13,
    "NO3": 19.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1917, 60.143] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "HE12",
    "water_depth": 178,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2226",
    "depth": 50.0,
    "PO4": 1.61,
    "SiOH4": 25.92,
    "NO3_NO2": 19.4,
    "NO2": 0.04,
    "NH4": 0.16,
    "NO3": 19.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1917, 60.143] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "HE12",
    "water_depth": 178,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2226",
    "depth": 76.0,
    "PO4": 1.67,
    "SiOH4": 26.37,
    "NO3_NO2": 19.95,
    "NO2": 0.01,
    "NH4": 0.08,
    "NO3": 19.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1917, 60.143] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "HE12",
    "water_depth": 178,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2226",
    "depth": 99.0,
    "PO4": 1.68,
    "SiOH4": 26.53,
    "NO3_NO2": 20.15,
    "NO2": 0.06,
    "NH4": 0.08,
    "NO3": 20.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1917, 60.143] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "HE12",
    "water_depth": 178,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2226",
    "depth": 125.0,
    "PO4": 1.69,
    "SiOH4": 26.57,
    "NO3_NO2": 20.08,
    "NO2": 0.05,
    "NH4": 0.08,
    "NO3": 20.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1917, 60.143] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "HE12",
    "water_depth": 178,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2226",
    "depth": 150.0,
    "PO4": 1.68,
    "SiOH4": 25.9,
    "NO3_NO2": 20.01,
    "NO2": 0.05,
    "NH4": 0.08,
    "NO3": 19.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1917, 60.143] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "HE12",
    "water_depth": 178,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2226",
    "depth": 174.0,
    "PO4": 1.7,
    "SiOH4": 26.05,
    "NO3_NO2": 20.15,
    "NO2": 0.06,
    "NH4": 0.08,
    "NO3": 20.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0749, 60.1007] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 79,
    "stn_id": "AHC1",
    "water_depth": 265,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2315",
    "depth": 2.0,
    "PO4": 1.6,
    "SiOH4": 27.89,
    "NO3_NO2": 19.88,
    "NO2": 0.06,
    "NH4": 0.11,
    "NO3": 19.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0749, 60.1007] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 79,
    "stn_id": "AHC1",
    "water_depth": 265,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2315",
    "depth": 21.0,
    "PO4": 1.59,
    "SiOH4": 27.56,
    "NO3_NO2": 19.81,
    "NO2": 0.05,
    "NH4": 0.08,
    "NO3": 19.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0749, 60.1007] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 79,
    "stn_id": "AHC1",
    "water_depth": 265,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2315",
    "depth": 30.0,
    "PO4": 1.64,
    "SiOH4": 27.23,
    "NO3_NO2": 19.88,
    "NO2": 0.03,
    "NH4": 0.13,
    "NO3": 19.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0749, 60.1007] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 79,
    "stn_id": "AHC1",
    "water_depth": 265,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2315",
    "depth": 40.0,
    "PO4": 1.67,
    "SiOH4": 26.13,
    "NO3_NO2": 19.81,
    "NO2": 0.04,
    "NH4": 0.16,
    "NO3": 19.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0749, 60.1007] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 79,
    "stn_id": "AHC1",
    "water_depth": 265,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2315",
    "depth": 50.0,
    "PO4": 1.65,
    "SiOH4": 25.68,
    "NO3_NO2": 19.81,
    "NO2": 0.09,
    "NH4": 0.13,
    "NO3": 19.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0749, 60.1007] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 79,
    "stn_id": "AHC1",
    "water_depth": 265,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2315",
    "depth": 75.0,
    "PO4": 1.7,
    "SiOH4": 26.76,
    "NO3_NO2": 20.36,
    "NO2": 0.08,
    "NH4": 0.13,
    "NO3": 20.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0749, 60.1007] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 79,
    "stn_id": "AHC1",
    "water_depth": 265,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2315",
    "depth": 100.0,
    "PO4": 1.58,
    "SiOH4": 25.72,
    "NO3_NO2": 20.15,
    "NO2": 0.12,
    "NH4": 0.21,
    "NO3": 20.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0749, 60.1007] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 79,
    "stn_id": "AHC1",
    "water_depth": 265,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2315",
    "depth": 126.0,
    "PO4": 1.66,
    "SiOH4": 25.21,
    "NO3_NO2": 19.74,
    "NO2": 0.17,
    "NH4": 0.16,
    "NO3": 19.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0749, 60.1007] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 79,
    "stn_id": "AHC1",
    "water_depth": 265,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2315",
    "depth": 151.0,
    "PO4": 1.67,
    "SiOH4": 24.7,
    "NO3_NO2": 19.81,
    "NO2": 0.14,
    "NH4": 0.08,
    "NO3": 19.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0749, 60.1007] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 79,
    "stn_id": "AHC1",
    "water_depth": 265,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2315",
    "depth": 175.0,
    "PO4": 1.75,
    "SiOH4": 25.08,
    "NO3_NO2": 20.77,
    "NO2": 0.13,
    "NH4": 0.16,
    "NO3": 20.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0749, 60.1007] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 79,
    "stn_id": "AHC1",
    "water_depth": 265,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2315",
    "depth": 201.0,
    "PO4": 1.8,
    "SiOH4": 25.58,
    "NO3_NO2": 21.32,
    "NO2": 0.13,
    "NH4": 0.24,
    "NO3": 21.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0749, 60.1007] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 79,
    "stn_id": "AHC1",
    "water_depth": 265,
    "month_gmt": "4",
    "day_gmt": "09",
    "time_gmt": "2315",
    "depth": 256.0,
    "PO4": 2.03,
    "SiOH4": 27.73,
    "NO3_NO2": 23.51,
    "NO2": 0.17,
    "NH4": 0.13,
    "NO3": 23.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1356, 60.0004] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "AHC2",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0051",
    "depth": 2.0,
    "PO4": 1.64,
    "SiOH4": 27.0,
    "NO3_NO2": 19.8,
    "NO2": 0.02,
    "NH4": 0.16,
    "NO3": 19.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1356, 60.0004] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "AHC2",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0051",
    "depth": 10.0,
    "PO4": 1.56,
    "SiOH4": 27.21,
    "NO3_NO2": 19.93,
    "NO2": 0.04,
    "NH4": 0.11,
    "NO3": 19.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1356, 60.0004] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "AHC2",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0051",
    "depth": 20.0,
    "PO4": 1.56,
    "SiOH4": 28.14,
    "NO3_NO2": 19.93,
    "NO2": 0.03,
    "NH4": 0.08,
    "NO3": 19.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1356, 60.0004] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "AHC2",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0051",
    "depth": 30.0,
    "PO4": 1.6,
    "SiOH4": 28.05,
    "NO3_NO2": 20.2,
    "NO2": 0.02,
    "NH4": 0.08,
    "NO3": 20.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1356, 60.0004] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "AHC2",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0051",
    "depth": 40.0,
    "PO4": 1.6,
    "SiOH4": 27.84,
    "NO3_NO2": 20.47,
    "NO2": 0.01,
    "NH4": 0.14,
    "NO3": 20.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1356, 60.0004] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "AHC2",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0051",
    "depth": 50.0,
    "PO4": 1.62,
    "SiOH4": 27.99,
    "NO3_NO2": 20.46,
    "NO2": 0.03,
    "NH4": 0.08,
    "NO3": 20.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1356, 60.0004] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "AHC2",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0051",
    "depth": 75.0,
    "PO4": 1.53,
    "SiOH4": 25.27,
    "NO3_NO2": 18.6,
    "NO2": 0.15,
    "NH4": 0.05,
    "NO3": 18.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1356, 60.0004] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "AHC2",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0051",
    "depth": 100.0,
    "PO4": 1.53,
    "SiOH4": 24.34,
    "NO3_NO2": 18.94,
    "NO2": 0.22,
    "NH4": 0.05,
    "NO3": 18.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1356, 60.0004] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "AHC2",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0051",
    "depth": 126.0,
    "PO4": 1.5,
    "SiOH4": 23.71,
    "NO3_NO2": 18.94,
    "NO2": 0.26,
    "NH4": 0.05,
    "NO3": 18.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1356, 60.0004] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "AHC2",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0051",
    "depth": 151.0,
    "PO4": 1.54,
    "SiOH4": 23.86,
    "NO3_NO2": 18.73,
    "NO2": 0.18,
    "NH4": 0.05,
    "NO3": 18.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1356, 60.0004] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "AHC2",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0051",
    "depth": 175.0,
    "PO4": 1.62,
    "SiOH4": 24.49,
    "NO3_NO2": 20.36,
    "NO2": 0.09,
    "NH4": 0.11,
    "NO3": 20.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1356, 60.0004] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "AHC2",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0051",
    "depth": 197.0,
    "PO4": 1.81,
    "SiOH4": 28.66,
    "NO3_NO2": 23.44,
    "NO2": 0.08,
    "NH4": 0.08,
    "NO3": 23.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.134, 59.9009] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "AHC3",
    "water_depth": 227,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0148",
    "depth": 3.0,
    "PO4": 1.43,
    "SiOH4": 25.46,
    "NO3_NO2": 18.3,
    "NO2": 0.13,
    "NH4": 0.11,
    "NO3": 18.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.134, 59.9009] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "AHC3",
    "water_depth": 227,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0148",
    "depth": 10.0,
    "PO4": 1.47,
    "SiOH4": 25.19,
    "NO3_NO2": 18.29,
    "NO2": 0.2,
    "NH4": 0.05,
    "NO3": 18.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.134, 59.9009] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "AHC3",
    "water_depth": 227,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0148",
    "depth": 21.0,
    "PO4": 1.47,
    "SiOH4": 25.1,
    "NO3_NO2": 18.29,
    "NO2": 0.19,
    "NH4": 0.05,
    "NO3": 18.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.134, 59.9009] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "AHC3",
    "water_depth": 227,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0148",
    "depth": 31.0,
    "PO4": 1.48,
    "SiOH4": 25.13,
    "NO3_NO2": 18.35,
    "NO2": 0.18,
    "NH4": 0.08,
    "NO3": 18.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.134, 59.9009] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "AHC3",
    "water_depth": 227,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0148",
    "depth": 51.0,
    "PO4": 1.47,
    "SiOH4": 24.8,
    "NO3_NO2": 18.48,
    "NO2": 0.22,
    "NH4": 0.05,
    "NO3": 18.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.134, 59.9009] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "AHC3",
    "water_depth": 227,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0148",
    "depth": 75.0,
    "PO4": 1.5,
    "SiOH4": 24.11,
    "NO3_NO2": 19.02,
    "NO2": 0.22,
    "NH4": 0.08,
    "NO3": 18.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.134, 59.9009] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "AHC3",
    "water_depth": 227,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0148",
    "depth": 101.0,
    "PO4": 1.55,
    "SiOH4": 24.14,
    "NO3_NO2": 19.22,
    "NO2": 0.23,
    "NH4": 0.05,
    "NO3": 18.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.134, 59.9009] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "AHC3",
    "water_depth": 227,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0148",
    "depth": 126.0,
    "PO4": 1.54,
    "SiOH4": 23.34,
    "NO3_NO2": 19.08,
    "NO2": 0.22,
    "NH4": 0.03,
    "NO3": 18.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.134, 59.9009] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "AHC3",
    "water_depth": 227,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0148",
    "depth": 151.0,
    "PO4": 1.55,
    "SiOH4": 23.49,
    "NO3_NO2": 19.76,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 19.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.134, 59.9009] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "AHC3",
    "water_depth": 227,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0148",
    "depth": 175.0,
    "PO4": 1.7,
    "SiOH4": 26.4,
    "NO3_NO2": 22.02,
    "NO2": 0.03,
    "NH4": 0.05,
    "NO3": 21.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.134, 59.9009] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "AHC3",
    "water_depth": 227,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0148",
    "depth": 200.0,
    "PO4": 1.83,
    "SiOH4": 29.06,
    "NO3_NO2": 23.79,
    "NO2": 0.04,
    "NH4": 0.05,
    "NO3": 23.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.134, 59.9009] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "AHC3",
    "water_depth": 227,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0148",
    "depth": 221.0,
    "PO4": 1.83,
    "SiOH4": 29.27,
    "NO3_NO2": 23.99,
    "NO2": 0.01,
    "NH4": 0.05,
    "NO3": 23.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.074, 59.8004] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 83,
    "stn_id": "AHC4",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0247",
    "depth": 2.0,
    "PO4": 1.88,
    "SiOH4": 22.34,
    "NO3_NO2": 17.37,
    "NO2": 0.12,
    "NH4": 0.05,
    "NO3": 17.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.074, 59.8004] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 83,
    "stn_id": "AHC4",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0247",
    "depth": 10.0,
    "PO4": 1.82,
    "SiOH4": 22.31,
    "NO3_NO2": 17.43,
    "NO2": 0.14,
    "NH4": 0.01,
    "NO3": 17.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.074, 59.8004] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 83,
    "stn_id": "AHC4",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0247",
    "depth": 20.0,
    "PO4": 1.83,
    "SiOH4": 22.33,
    "NO3_NO2": 17.77,
    "NO2": 0.14,
    "NH4": 0.0,
    "NO3": 17.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.074, 59.8004] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 83,
    "stn_id": "AHC4",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0247",
    "depth": 30.0,
    "PO4": 1.81,
    "SiOH4": 22.29,
    "NO3_NO2": 17.83,
    "NO2": 0.16,
    "NH4": 0.2,
    "NO3": 17.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.074, 59.8004] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 83,
    "stn_id": "AHC4",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0247",
    "depth": 41.0,
    "PO4": 1.8,
    "SiOH4": 22.07,
    "NO3_NO2": 17.69,
    "NO2": 0.16,
    "NH4": 0.07,
    "NO3": 17.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.074, 59.8004] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 83,
    "stn_id": "AHC4",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0247",
    "depth": 51.0,
    "PO4": 1.84,
    "SiOH4": 23.5,
    "NO3_NO2": 17.82,
    "NO2": 0.16,
    "NH4": 0.07,
    "NO3": 17.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.074, 59.8004] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 83,
    "stn_id": "AHC4",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0247",
    "depth": 75.0,
    "PO4": 1.84,
    "SiOH4": 23.1,
    "NO3_NO2": 18.15,
    "NO2": 0.16,
    "NH4": 0.0,
    "NO3": 17.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.074, 59.8004] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 83,
    "stn_id": "AHC4",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0247",
    "depth": 100.0,
    "PO4": 1.78,
    "SiOH4": 22.51,
    "NO3_NO2": 18.01,
    "NO2": 0.14,
    "NH4": 0.02,
    "NO3": 17.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.074, 59.8004] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 83,
    "stn_id": "AHC4",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0247",
    "depth": 125.0,
    "PO4": 1.82,
    "SiOH4": 21.68,
    "NO3_NO2": 17.67,
    "NO2": 0.09,
    "NH4": 0.01,
    "NO3": 17.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.074, 59.8004] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 83,
    "stn_id": "AHC4",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0247",
    "depth": 151.0,
    "PO4": 1.84,
    "SiOH4": 21.53,
    "NO3_NO2": 18.27,
    "NO2": 0.0,
    "NH4": 0.01,
    "NO3": 18.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.074, 59.8004] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 83,
    "stn_id": "AHC4",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0247",
    "depth": 175.0,
    "PO4": 2.02,
    "SiOH4": 25.08,
    "NO3_NO2": 20.83,
    "NO2": 0.07,
    "NH4": 0.08,
    "NO3": 20.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.074, 59.8004] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 83,
    "stn_id": "AHC4",
    "water_depth": 202,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0247",
    "depth": 198.0,
    "PO4": 2.03,
    "SiOH4": 25.89,
    "NO3_NO2": 21.3,
    "NO2": 0.07,
    "NH4": 0.16,
    "NO3": 21.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0741, 59.6988] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 84,
    "stn_id": "ANC5",
    "water_depth": 206,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0344",
    "depth": 2.0,
    "PO4": 1.69,
    "SiOH4": 24.09,
    "NO3_NO2": 17.31,
    "NO2": 0.07,
    "NH4": 0.18,
    "NO3": 17.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0741, 59.6988] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 84,
    "stn_id": "ANC5",
    "water_depth": 206,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0344",
    "depth": 11.0,
    "PO4": 1.71,
    "SiOH4": 24.24,
    "NO3_NO2": 17.3,
    "NO2": 0.07,
    "NH4": 0.09,
    "NO3": 17.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0741, 59.6988] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 84,
    "stn_id": "ANC5",
    "water_depth": 206,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0344",
    "depth": 20.0,
    "PO4": 1.71,
    "SiOH4": 23.78,
    "NO3_NO2": 17.29,
    "NO2": 0.12,
    "NH4": 0.08,
    "NO3": 17.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0741, 59.6988] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 84,
    "stn_id": "ANC5",
    "water_depth": 206,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0344",
    "depth": 31.0,
    "PO4": 1.72,
    "SiOH4": 22.89,
    "NO3_NO2": 17.09,
    "NO2": 0.19,
    "NH4": 0.16,
    "NO3": 16.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0741, 59.6988] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 84,
    "stn_id": "ANC5",
    "water_depth": 206,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0344",
    "depth": 40.0,
    "PO4": 1.72,
    "SiOH4": 22.49,
    "NO3_NO2": 17.08,
    "NO2": 0.16,
    "NH4": 0.06,
    "NO3": 16.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0741, 59.6988] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 84,
    "stn_id": "ANC5",
    "water_depth": 206,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0344",
    "depth": 50.0,
    "PO4": 1.72,
    "SiOH4": 22.51,
    "NO3_NO2": 17.14,
    "NO2": 0.16,
    "NH4": 0.06,
    "NO3": 16.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0741, 59.6988] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 84,
    "stn_id": "ANC5",
    "water_depth": 206,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0344",
    "depth": 76.0,
    "PO4": 1.7,
    "SiOH4": 22.54,
    "NO3_NO2": 17.21,
    "NO2": 0.16,
    "NH4": 0.08,
    "NO3": 17.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0741, 59.6988] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 84,
    "stn_id": "ANC5",
    "water_depth": 206,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0344",
    "depth": 100.0,
    "PO4": 1.74,
    "SiOH4": 22.93,
    "NO3_NO2": 17.67,
    "NO2": 0.14,
    "NH4": 0.01,
    "NO3": 17.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0741, 59.6988] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 84,
    "stn_id": "ANC5",
    "water_depth": 206,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0344",
    "depth": 126.0,
    "PO4": 1.73,
    "SiOH4": 22.46,
    "NO3_NO2": 17.74,
    "NO2": 0.16,
    "NH4": 0.0,
    "NO3": 17.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0741, 59.6988] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 84,
    "stn_id": "ANC5",
    "water_depth": 206,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0344",
    "depth": 151.0,
    "PO4": 1.83,
    "SiOH4": 24.25,
    "NO3_NO2": 19.29,
    "NO2": 0.07,
    "NH4": 0.0,
    "NO3": 19.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0741, 59.6988] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 84,
    "stn_id": "ANC5",
    "water_depth": 206,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0344",
    "depth": 175.0,
    "PO4": 1.95,
    "SiOH4": 27.68,
    "NO3_NO2": 21.24,
    "NO2": 0.09,
    "NH4": 0.1,
    "NO3": 21.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0741, 59.6988] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 84,
    "stn_id": "ANC5",
    "water_depth": 206,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0344",
    "depth": 201.0,
    "PO4": 2.04,
    "SiOH4": 29.65,
    "NO3_NO2": 22.32,
    "NO2": 0.07,
    "NH4": 0.09,
    "NO3": 22.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0745, 59.6005] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 85,
    "stn_id": "AHC6",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0440",
    "depth": 1.0,
    "PO4": 1.66,
    "SiOH4": 24.0,
    "NO3_NO2": 17.99,
    "NO2": 0.19,
    "NH4": 0.0,
    "NO3": 17.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0745, 59.6005] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 85,
    "stn_id": "AHC6",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0440",
    "depth": 11.0,
    "PO4": 1.6,
    "SiOH4": 24.07,
    "NO3_NO2": 17.98,
    "NO2": 0.19,
    "NH4": 0.0,
    "NO3": 17.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0745, 59.6005] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 85,
    "stn_id": "AHC6",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0440",
    "depth": 21.0,
    "PO4": 1.59,
    "SiOH4": 24.02,
    "NO3_NO2": 17.98,
    "NO2": 0.19,
    "NH4": 0.0,
    "NO3": 17.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0745, 59.6005] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 85,
    "stn_id": "AHC6",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0440",
    "depth": 31.0,
    "PO4": 1.59,
    "SiOH4": 23.98,
    "NO3_NO2": 18.05,
    "NO2": 0.19,
    "NH4": 0.0,
    "NO3": 17.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0745, 59.6005] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 85,
    "stn_id": "AHC6",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0440",
    "depth": 40.0,
    "PO4": 1.6,
    "SiOH4": 23.82,
    "NO3_NO2": 18.26,
    "NO2": 0.21,
    "NH4": 0.0,
    "NO3": 18.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0745, 59.6005] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 85,
    "stn_id": "AHC6",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0440",
    "depth": 50.0,
    "PO4": 1.61,
    "SiOH4": 23.55,
    "NO3_NO2": 18.74,
    "NO2": 0.24,
    "NH4": 0.0,
    "NO3": 18.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0745, 59.6005] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 85,
    "stn_id": "AHC6",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0440",
    "depth": 75.0,
    "PO4": 1.64,
    "SiOH4": 23.67,
    "NO3_NO2": 19.02,
    "NO2": 0.21,
    "NH4": 0.0,
    "NO3": 18.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0745, 59.6005] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 85,
    "stn_id": "AHC6",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0440",
    "depth": 100.0,
    "PO4": 1.65,
    "SiOH4": 23.57,
    "NO3_NO2": 19.36,
    "NO2": 0.14,
    "NH4": 0.0,
    "NO3": 19.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0745, 59.6005] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 85,
    "stn_id": "AHC6",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0440",
    "depth": 125.0,
    "PO4": 1.63,
    "SiOH4": 22.2,
    "NO3_NO2": 18.87,
    "NO2": 0.14,
    "NH4": 0.0,
    "NO3": 18.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0745, 59.6005] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 85,
    "stn_id": "AHC6",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0440",
    "depth": 150.0,
    "PO4": 1.62,
    "SiOH4": 21.76,
    "NO3_NO2": 18.73,
    "NO2": 0.24,
    "NH4": 0.0,
    "NO3": 18.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0745, 59.6005] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 85,
    "stn_id": "AHC6",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0440",
    "depth": 176.0,
    "PO4": 1.63,
    "SiOH4": 22.1,
    "NO3_NO2": 19.28,
    "NO2": 0.24,
    "NH4": 0.0,
    "NO3": 19.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0745, 59.6005] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 85,
    "stn_id": "AHC6",
    "water_depth": 205,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0440",
    "depth": 200.0,
    "PO4": 1.81,
    "SiOH4": 25.65,
    "NO3_NO2": 21.72,
    "NO2": 0.19,
    "NH4": 0.0,
    "NO3": 21.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 59.5015] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "AHC7",
    "water_depth": 219,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0543",
    "depth": 3.0,
    "PO4": 1.45,
    "SiOH4": 21.29,
    "NO3_NO2": 17.19,
    "NO2": 0.17,
    "NH4": 0.0,
    "NO3": 17.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 59.5015] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "AHC7",
    "water_depth": 219,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0543",
    "depth": 10.0,
    "PO4": 1.5,
    "SiOH4": 21.41,
    "NO3_NO2": 17.18,
    "NO2": 0.19,
    "NH4": 0.03,
    "NO3": 16.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 59.5015] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "AHC7",
    "water_depth": 219,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0543",
    "depth": 21.0,
    "PO4": 1.5,
    "SiOH4": 21.31,
    "NO3_NO2": 17.18,
    "NO2": 0.19,
    "NH4": 0.03,
    "NO3": 16.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 59.5015] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "AHC7",
    "water_depth": 219,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0543",
    "depth": 30.0,
    "PO4": 1.5,
    "SiOH4": 20.32,
    "NO3_NO2": 17.32,
    "NO2": 0.19,
    "NH4": 0.03,
    "NO3": 17.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 59.5015] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "AHC7",
    "water_depth": 219,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0543",
    "depth": 51.0,
    "PO4": 1.51,
    "SiOH4": 20.39,
    "NO3_NO2": 17.39,
    "NO2": 0.19,
    "NH4": 0.03,
    "NO3": 17.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 59.5015] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "AHC7",
    "water_depth": 219,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0543",
    "depth": 74.0,
    "PO4": 1.53,
    "SiOH4": 20.34,
    "NO3_NO2": 17.45,
    "NO2": 0.19,
    "NH4": 0.03,
    "NO3": 17.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 59.5015] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "AHC7",
    "water_depth": 219,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0543",
    "depth": 101.0,
    "PO4": 1.54,
    "SiOH4": 20.63,
    "NO3_NO2": 17.66,
    "NO2": 0.19,
    "NH4": 0.03,
    "NO3": 17.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 59.5015] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "AHC7",
    "water_depth": 219,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0543",
    "depth": 125.0,
    "PO4": 1.58,
    "SiOH4": 20.8,
    "NO3_NO2": 18.21,
    "NO2": 0.12,
    "NH4": 0.03,
    "NO3": 18.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 59.5015] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "AHC7",
    "water_depth": 219,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0543",
    "depth": 151.0,
    "PO4": 1.59,
    "SiOH4": 20.42,
    "NO3_NO2": 18.21,
    "NO2": 0.14,
    "NH4": 0.03,
    "NO3": 18.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 59.5015] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "AHC7",
    "water_depth": 219,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0543",
    "depth": 176.0,
    "PO4": 1.71,
    "SiOH4": 22.86,
    "NO3_NO2": 20.23,
    "NO2": 0.14,
    "NH4": 0.03,
    "NO3": 20.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 59.5015] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "AHC7",
    "water_depth": 219,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0543",
    "depth": 200.0,
    "PO4": 2.4,
    "SiOH4": 39.07,
    "NO3_NO2": 32.01,
    "NO2": 0.02,
    "NH4": 0.03,
    "NO3": 31.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0748, 59.5015] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "AHC7",
    "water_depth": 219,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0543",
    "depth": 213.0,
    "PO4": 2.48,
    "SiOH4": 40.35,
    "NO3_NO2": 33.12,
    "NO2": 0.02,
    "NH4": 0.03,
    "NO3": 33.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0732, 59.4008] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 87,
    "stn_id": "AHC8",
    "water_depth": 203,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0649",
    "depth": 2.0,
    "PO4": 1.46,
    "SiOH4": 26.47,
    "NO3_NO2": 19.1,
    "NO2": 0.23,
    "NH4": 0.06,
    "NO3": 18.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0732, 59.4008] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 87,
    "stn_id": "AHC8",
    "water_depth": 203,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0649",
    "depth": 10.0,
    "PO4": 1.46,
    "SiOH4": 26.44,
    "NO3_NO2": 18.88,
    "NO2": 0.23,
    "NH4": 0.1,
    "NO3": 18.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0732, 59.4008] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 87,
    "stn_id": "AHC8",
    "water_depth": 203,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0649",
    "depth": 21.0,
    "PO4": 1.41,
    "SiOH4": 25.85,
    "NO3_NO2": 18.73,
    "NO2": 0.23,
    "NH4": 0.06,
    "NO3": 18.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0732, 59.4008] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 87,
    "stn_id": "AHC8",
    "water_depth": 203,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0649",
    "depth": 30.0,
    "PO4": 1.37,
    "SiOH4": 24.67,
    "NO3_NO2": 18.43,
    "NO2": 0.21,
    "NH4": 0.03,
    "NO3": 18.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0732, 59.4008] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 87,
    "stn_id": "AHC8",
    "water_depth": 203,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0649",
    "depth": 40.0,
    "PO4": 1.38,
    "SiOH4": 24.58,
    "NO3_NO2": 18.43,
    "NO2": 0.21,
    "NH4": 0.03,
    "NO3": 18.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0732, 59.4008] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 87,
    "stn_id": "AHC8",
    "water_depth": 203,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0649",
    "depth": 50.0,
    "PO4": 1.38,
    "SiOH4": 24.43,
    "NO3_NO2": 18.51,
    "NO2": 0.23,
    "NH4": 0.06,
    "NO3": 18.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0732, 59.4008] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 87,
    "stn_id": "AHC8",
    "water_depth": 203,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0649",
    "depth": 76.0,
    "PO4": 1.41,
    "SiOH4": 24.47,
    "NO3_NO2": 18.65,
    "NO2": 0.23,
    "NH4": 0.1,
    "NO3": 18.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0732, 59.4008] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 87,
    "stn_id": "AHC8",
    "water_depth": 203,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0649",
    "depth": 100.0,
    "PO4": 1.44,
    "SiOH4": 24.83,
    "NO3_NO2": 19.55,
    "NO2": 0.21,
    "NH4": 0.03,
    "NO3": 19.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0732, 59.4008] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 87,
    "stn_id": "AHC8",
    "water_depth": 203,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0649",
    "depth": 125.0,
    "PO4": 1.47,
    "SiOH4": 24.99,
    "NO3_NO2": 20.36,
    "NO2": 0.13,
    "NH4": 0.03,
    "NO3": 20.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0732, 59.4008] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 87,
    "stn_id": "AHC8",
    "water_depth": 203,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0649",
    "depth": 150.0,
    "PO4": 1.69,
    "SiOH4": 31.14,
    "NO3_NO2": 24.45,
    "NO2": 0.08,
    "NH4": 0.03,
    "NO3": 24.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0732, 59.4008] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 87,
    "stn_id": "AHC8",
    "water_depth": 203,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0649",
    "depth": 176.0,
    "PO4": 1.97,
    "SiOH4": 40.29,
    "NO3_NO2": 30.17,
    "NO2": 0.08,
    "NH4": 0.03,
    "NO3": 30.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0732, 59.4008] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 87,
    "stn_id": "AHC8",
    "water_depth": 203,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0649",
    "depth": 201.0,
    "PO4": 2.26,
    "SiOH4": 48.48,
    "NO3_NO2": 35.6,
    "NO2": 0.0,
    "NH4": 0.03,
    "NO3": 35.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0737, 59.3007] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 88,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0752",
    "depth": 2.0,
    "PO4": 1.34,
    "SiOH4": 24.32,
    "NO3_NO2": 18.36,
    "NO2": 0.21,
    "NH4": 0.06,
    "NO3": 18.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0737, 59.3007] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 88,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0752",
    "depth": 10.0,
    "PO4": 1.39,
    "SiOH4": 24.29,
    "NO3_NO2": 18.43,
    "NO2": 0.21,
    "NH4": 0.06,
    "NO3": 18.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0737, 59.3007] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 88,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0752",
    "depth": 21.0,
    "PO4": 1.38,
    "SiOH4": 24.27,
    "NO3_NO2": 18.43,
    "NO2": 0.21,
    "NH4": 0.06,
    "NO3": 18.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0737, 59.3007] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 88,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0752",
    "depth": 31.0,
    "PO4": 1.39,
    "SiOH4": 23.86,
    "NO3_NO2": 18.43,
    "NO2": 0.21,
    "NH4": 0.06,
    "NO3": 18.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0737, 59.3007] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 88,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0752",
    "depth": 41.0,
    "PO4": 1.38,
    "SiOH4": 23.96,
    "NO3_NO2": 18.36,
    "NO2": 0.23,
    "NH4": 0.06,
    "NO3": 18.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0737, 59.3007] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 88,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0752",
    "depth": 51.0,
    "PO4": 1.39,
    "SiOH4": 23.81,
    "NO3_NO2": 18.43,
    "NO2": 0.23,
    "NH4": 0.06,
    "NO3": 18.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0737, 59.3007] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 88,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0752",
    "depth": 75.0,
    "PO4": 1.4,
    "SiOH4": 23.72,
    "NO3_NO2": 19.17,
    "NO2": 0.21,
    "NH4": 0.1,
    "NO3": 18.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0737, 59.3007] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 88,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0752",
    "depth": 100.0,
    "PO4": 1.46,
    "SiOH4": 23.82,
    "NO3_NO2": 19.92,
    "NO2": 0.18,
    "NH4": 0.03,
    "NO3": 19.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0737, 59.3007] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 88,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0752",
    "depth": 125.0,
    "PO4": 1.55,
    "SiOH4": 29.4,
    "NO3_NO2": 23.49,
    "NO2": 0.18,
    "NH4": 0.03,
    "NO3": 23.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0737, 59.3007] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 88,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0752",
    "depth": 150.0,
    "PO4": 1.71,
    "SiOH4": 31.35,
    "NO3_NO2": 24.67,
    "NO2": 0.15,
    "NH4": 0.03,
    "NO3": 24.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0737, 59.3007] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 88,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "0752",
    "depth": 176.0,
    "PO4": 2.26,
    "SiOH4": 48.84,
    "NO3_NO2": 35.82,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 35.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8197, 59.7417] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 89,
    "stn_id": "CCSE1",
    "water_depth": 60,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "1637",
    "depth": 2.0,
    "PO4": 1.66,
    "SiOH4": 27.48,
    "NO3_NO2": 19.24,
    "NO2": 0.15,
    "NH4": 0.14,
    "NO3": 19.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8197, 59.7417] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 89,
    "stn_id": "CCSE1",
    "water_depth": 60,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "1637",
    "depth": 10.0,
    "PO4": 1.63,
    "SiOH4": 27.68,
    "NO3_NO2": 19.38,
    "NO2": 0.17,
    "NH4": 0.23,
    "NO3": 19.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8197, 59.7417] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 89,
    "stn_id": "CCSE1",
    "water_depth": 60,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "1637",
    "depth": 19.0,
    "PO4": 1.61,
    "SiOH4": 27.89,
    "NO3_NO2": 19.45,
    "NO2": 0.17,
    "NH4": 0.14,
    "NO3": 19.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8197, 59.7417] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 89,
    "stn_id": "CCSE1",
    "water_depth": 60,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "1637",
    "depth": 31.0,
    "PO4": 1.6,
    "SiOH4": 27.81,
    "NO3_NO2": 19.45,
    "NO2": 0.2,
    "NH4": 0.08,
    "NO3": 19.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8197, 59.7417] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 89,
    "stn_id": "CCSE1",
    "water_depth": 60,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "1637",
    "depth": 41.0,
    "PO4": 1.66,
    "SiOH4": 27.84,
    "NO3_NO2": 20.09,
    "NO2": 0.2,
    "NH4": 0.23,
    "NO3": 19.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8197, 59.7417] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 89,
    "stn_id": "CCSE1",
    "water_depth": 60,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "1637",
    "depth": 51.0,
    "PO4": 1.68,
    "SiOH4": 27.94,
    "NO3_NO2": 20.44,
    "NO2": 0.2,
    "NH4": 0.03,
    "NO3": 20.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8197, 59.7417] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 89,
    "stn_id": "CCSE1",
    "water_depth": 60,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "1637",
    "depth": 58.0,
    "PO4": 1.73,
    "SiOH4": 27.97,
    "NO3_NO2": 20.37,
    "NO2": 0.2,
    "NH4": 0.23,
    "NO3": 20.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7385, 59.6648] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 91,
    "stn_id": "CCSE2",
    "water_depth": 110,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "1809",
    "depth": 3.0,
    "PO4": 1.52,
    "SiOH4": 28.0,
    "NO3_NO2": 19.52,
    "NO2": 0.15,
    "NH4": 0.14,
    "NO3": 19.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7385, 59.6648] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 91,
    "stn_id": "CCSE2",
    "water_depth": 110,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "1809",
    "depth": 6.0,
    "PO4": 1.56,
    "SiOH4": 28.06,
    "NO3_NO2": 19.59,
    "NO2": 0.15,
    "NH4": 0.11,
    "NO3": 19.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7385, 59.6648] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 91,
    "stn_id": "CCSE2",
    "water_depth": 110,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "1809",
    "depth": 9.0,
    "PO4": 1.55,
    "SiOH4": 28.0,
    "NO3_NO2": 19.67,
    "NO2": 0.15,
    "NH4": 0.11,
    "NO3": 19.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7385, 59.6648] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 91,
    "stn_id": "CCSE2",
    "water_depth": 110,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "1809",
    "depth": 17.0,
    "PO4": 1.55,
    "SiOH4": 28.17,
    "NO3_NO2": 19.67,
    "NO2": 0.15,
    "NH4": 0.11,
    "NO3": 19.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7385, 59.6648] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 91,
    "stn_id": "CCSE2",
    "water_depth": 110,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "1809",
    "depth": 23.0,
    "PO4": 1.57,
    "SiOH4": 28.28,
    "NO3_NO2": 19.88,
    "NO2": 0.15,
    "NH4": 0.06,
    "NO3": 19.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7385, 59.6648] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 91,
    "stn_id": "CCSE2",
    "water_depth": 110,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "1809",
    "depth": 36.0,
    "PO4": 1.6,
    "SiOH4": 28.33,
    "NO3_NO2": 20.23,
    "NO2": 0.17,
    "NH4": 0.11,
    "NO3": 20.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.758, 59.665] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 92,
    "stn_id": "CCSE2",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "1835",
    "depth": 3.0,
    "PO4": 1.5,
    "SiOH4": 28.16,
    "NO3_NO2": 19.38,
    "NO2": 0.12,
    "NH4": 0.08,
    "NO3": 19.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.758, 59.665] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 92,
    "stn_id": "CCSE2",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "1835",
    "depth": 11.0,
    "PO4": 1.55,
    "SiOH4": 28.38,
    "NO3_NO2": 19.59,
    "NO2": 0.15,
    "NH4": 0.08,
    "NO3": 19.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.758, 59.665] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 92,
    "stn_id": "CCSE2",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "1835",
    "depth": 20.0,
    "PO4": 1.55,
    "SiOH4": 28.66,
    "NO3_NO2": 19.81,
    "NO2": 0.17,
    "NH4": 0.08,
    "NO3": 19.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.758, 59.665] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 92,
    "stn_id": "CCSE2",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "1835",
    "depth": 28.0,
    "PO4": 1.58,
    "SiOH4": 28.72,
    "NO3_NO2": 20.09,
    "NO2": 0.17,
    "NH4": 0.08,
    "NO3": 19.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.758, 59.665] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 92,
    "stn_id": "CCSE2",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "1835",
    "depth": 40.0,
    "PO4": 1.63,
    "SiOH4": 28.6,
    "NO3_NO2": 20.59,
    "NO2": 0.17,
    "NH4": 0.08,
    "NO3": 20.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.758, 59.665] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 92,
    "stn_id": "CCSE2",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "1835",
    "depth": 51.0,
    "PO4": 1.65,
    "SiOH4": 28.6,
    "NO3_NO2": 20.73,
    "NO2": 0.17,
    "NH4": 0.06,
    "NO3": 20.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.758, 59.665] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 92,
    "stn_id": "CCSE2",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "1835",
    "depth": 76.0,
    "PO4": 1.66,
    "SiOH4": 28.54,
    "NO3_NO2": 20.8,
    "NO2": 0.1,
    "NH4": 0.06,
    "NO3": 20.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.758, 59.665] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 92,
    "stn_id": "CCSE2",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "1835",
    "depth": 107.0,
    "PO4": 1.65,
    "SiOH4": 26.39,
    "NO3_NO2": 20.09,
    "NO2": 0.15,
    "NH4": 0.03,
    "NO3": 19.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6182, 59.5736] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 93,
    "stn_id": "CCSE3",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "2014",
    "depth": 3.0,
    "PO4": 1.64,
    "SiOH4": 25.36,
    "NO3_NO2": 19.4,
    "NO2": 0.19,
    "NH4": 0.09,
    "NO3": 19.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6182, 59.5736] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 93,
    "stn_id": "CCSE3",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "2014",
    "depth": 11.0,
    "PO4": 1.58,
    "SiOH4": 25.28,
    "NO3_NO2": 19.4,
    "NO2": 0.19,
    "NH4": 0.09,
    "NO3": 19.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6182, 59.5736] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 93,
    "stn_id": "CCSE3",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "2014",
    "depth": 20.0,
    "PO4": 1.63,
    "SiOH4": 25.31,
    "NO3_NO2": 19.4,
    "NO2": 0.19,
    "NH4": 0.11,
    "NO3": 19.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6182, 59.5736] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 93,
    "stn_id": "CCSE3",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "2014",
    "depth": 30.0,
    "PO4": 1.63,
    "SiOH4": 25.23,
    "NO3_NO2": 19.4,
    "NO2": 0.19,
    "NH4": 0.09,
    "NO3": 19.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6182, 59.5736] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 93,
    "stn_id": "CCSE3",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "2014",
    "depth": 40.0,
    "PO4": 1.64,
    "SiOH4": 24.81,
    "NO3_NO2": 19.76,
    "NO2": 0.19,
    "NH4": 0.09,
    "NO3": 19.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6182, 59.5736] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 93,
    "stn_id": "CCSE3",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "2014",
    "depth": 50.0,
    "PO4": 1.64,
    "SiOH4": 24.45,
    "NO3_NO2": 19.98,
    "NO2": 0.22,
    "NH4": 0.09,
    "NO3": 19.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6182, 59.5736] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 93,
    "stn_id": "CCSE3",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "2014",
    "depth": 76.0,
    "PO4": 1.63,
    "SiOH4": 23.65,
    "NO3_NO2": 19.69,
    "NO2": 0.22,
    "NH4": 0.09,
    "NO3": 19.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6182, 59.5736] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 93,
    "stn_id": "CCSE3",
    "water_depth": 112,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "2014",
    "depth": 109.0,
    "PO4": 1.7,
    "SiOH4": 23.35,
    "NO3_NO2": 20.2,
    "NO2": 0.1,
    "NH4": 0.06,
    "NO3": 20.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4824, 59.4778] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 94,
    "stn_id": "CCSE4",
    "water_depth": 119,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "2216",
    "depth": 4.0,
    "PO4": 1.53,
    "SiOH4": 24.88,
    "NO3_NO2": 19.26,
    "NO2": 0.12,
    "NH4": 0.09,
    "NO3": 19.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4824, 59.4778] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 94,
    "stn_id": "CCSE4",
    "water_depth": 119,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "2216",
    "depth": 10.0,
    "PO4": 1.59,
    "SiOH4": 25.08,
    "NO3_NO2": 19.33,
    "NO2": 0.14,
    "NH4": 0.09,
    "NO3": 19.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4824, 59.4778] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 94,
    "stn_id": "CCSE4",
    "water_depth": 119,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "2216",
    "depth": 20.0,
    "PO4": 1.61,
    "SiOH4": 25.06,
    "NO3_NO2": 19.26,
    "NO2": 0.14,
    "NH4": 0.03,
    "NO3": 19.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4824, 59.4778] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 94,
    "stn_id": "CCSE4",
    "water_depth": 119,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "2216",
    "depth": 31.0,
    "PO4": 1.57,
    "SiOH4": 24.7,
    "NO3_NO2": 19.98,
    "NO2": 0.19,
    "NH4": 0.06,
    "NO3": 19.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4824, 59.4778] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 94,
    "stn_id": "CCSE4",
    "water_depth": 119,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "2216",
    "depth": 41.0,
    "PO4": 1.64,
    "SiOH4": 24.23,
    "NO3_NO2": 19.76,
    "NO2": 0.22,
    "NH4": 0.09,
    "NO3": 19.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4824, 59.4778] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 94,
    "stn_id": "CCSE4",
    "water_depth": 119,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "2216",
    "depth": 50.0,
    "PO4": 1.6,
    "SiOH4": 22.3,
    "NO3_NO2": 19.26,
    "NO2": 0.24,
    "NH4": 0.06,
    "NO3": 19.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4824, 59.4778] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 94,
    "stn_id": "CCSE4",
    "water_depth": 119,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "2216",
    "depth": 75.0,
    "PO4": 1.58,
    "SiOH4": 21.83,
    "NO3_NO2": 19.4,
    "NO2": 0.22,
    "NH4": 0.06,
    "NO3": 19.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4824, 59.4778] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 94,
    "stn_id": "CCSE4",
    "water_depth": 119,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "2216",
    "depth": 100.0,
    "PO4": 1.71,
    "SiOH4": 23.48,
    "NO3_NO2": 21.21,
    "NO2": 0.05,
    "NH4": 0.06,
    "NO3": 21.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4824, 59.4778] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 94,
    "stn_id": "CCSE4",
    "water_depth": 119,
    "month_gmt": "4",
    "day_gmt": "10",
    "time_gmt": "2216",
    "depth": 112.0,
    "PO4": 1.75,
    "SiOH4": 23.96,
    "NO3_NO2": 21.28,
    "NO2": 0.05,
    "NH4": 0.06,
    "NO3": 21.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8352, 59.9183] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 95,
    "stn_id": "MS4",
    "water_depth": 92,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0245",
    "depth": 2.0,
    "PO4": 1.53,
    "SiOH4": 23.66,
    "NO3_NO2": 16.99,
    "NO2": 0.19,
    "NH4": 0.17,
    "NO3": 16.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8352, 59.9183] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 95,
    "stn_id": "MS4",
    "water_depth": 92,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0245",
    "depth": 10.0,
    "PO4": 1.58,
    "SiOH4": 25.62,
    "NO3_NO2": 17.71,
    "NO2": 0.19,
    "NH4": 0.11,
    "NO3": 17.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8352, 59.9183] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 95,
    "stn_id": "MS4",
    "water_depth": 92,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0245",
    "depth": 21.0,
    "PO4": 1.61,
    "SiOH4": 26.73,
    "NO3_NO2": 19.01,
    "NO2": 0.19,
    "NH4": 0.22,
    "NO3": 18.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8352, 59.9183] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 95,
    "stn_id": "MS4",
    "water_depth": 92,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0245",
    "depth": 30.0,
    "PO4": 1.63,
    "SiOH4": 26.99,
    "NO3_NO2": 19.37,
    "NO2": 0.19,
    "NH4": 0.2,
    "NO3": 19.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8352, 59.9183] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 95,
    "stn_id": "MS4",
    "water_depth": 92,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0245",
    "depth": 41.0,
    "PO4": 1.64,
    "SiOH4": 27.94,
    "NO3_NO2": 19.95,
    "NO2": 0.19,
    "NH4": 0.14,
    "NO3": 19.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8352, 59.9183] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 95,
    "stn_id": "MS4",
    "water_depth": 92,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0245",
    "depth": 51.0,
    "PO4": 1.73,
    "SiOH4": 27.86,
    "NO3_NO2": 19.87,
    "NO2": 0.19,
    "NH4": 0.14,
    "NO3": 19.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8352, 59.9183] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 95,
    "stn_id": "MS4",
    "water_depth": 92,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0245",
    "depth": 75.0,
    "PO4": 1.75,
    "SiOH4": 28.18,
    "NO3_NO2": 20.09,
    "NO2": 0.17,
    "NH4": 0.2,
    "NO3": 19.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8352, 59.9183] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 95,
    "stn_id": "MS4",
    "water_depth": 92,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0245",
    "depth": 83.0,
    "PO4": 1.75,
    "SiOH4": 28.05,
    "NO3_NO2": 20.16,
    "NO2": 0.17,
    "NH4": 0.14,
    "NO3": 20.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8604, 59.9306] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "MS3",
    "water_depth": 169,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0307",
    "depth": 2.0,
    "PO4": 1.39,
    "SiOH4": 13.21,
    "NO3_NO2": 10.08,
    "NO2": 0.14,
    "NH4": 0.08,
    "NO3": 9.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8604, 59.9306] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "MS3",
    "water_depth": 169,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0307",
    "depth": 10.0,
    "PO4": 1.49,
    "SiOH4": 17.53,
    "NO3_NO2": 13.32,
    "NO2": 0.14,
    "NH4": 0.11,
    "NO3": 13.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8604, 59.9306] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "MS3",
    "water_depth": 169,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0307",
    "depth": 20.0,
    "PO4": 1.59,
    "SiOH4": 24.34,
    "NO3_NO2": 17.86,
    "NO2": 0.17,
    "NH4": 0.11,
    "NO3": 17.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8604, 59.9306] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "MS3",
    "water_depth": 169,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0307",
    "depth": 30.0,
    "PO4": 1.62,
    "SiOH4": 25.96,
    "NO3_NO2": 18.94,
    "NO2": 0.09,
    "NH4": 0.08,
    "NO3": 18.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8604, 59.9306] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "MS3",
    "water_depth": 169,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0307",
    "depth": 40.0,
    "PO4": 1.57,
    "SiOH4": 27.12,
    "NO3_NO2": 19.8,
    "NO2": 0.07,
    "NH4": 0.03,
    "NO3": 19.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8604, 59.9306] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "MS3",
    "water_depth": 169,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0307",
    "depth": 50.0,
    "PO4": 1.62,
    "SiOH4": 28.24,
    "NO3_NO2": 20.45,
    "NO2": 0.07,
    "NH4": 0.06,
    "NO3": 20.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8604, 59.9306] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "MS3",
    "water_depth": 169,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0307",
    "depth": 75.0,
    "PO4": 1.66,
    "SiOH4": 28.73,
    "NO3_NO2": 20.45,
    "NO2": 0.09,
    "NH4": 0.22,
    "NO3": 20.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8604, 59.9306] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "MS3",
    "water_depth": 169,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0307",
    "depth": 101.0,
    "PO4": 1.71,
    "SiOH4": 29.33,
    "NO3_NO2": 21.24,
    "NO2": 0.09,
    "NH4": 0.22,
    "NO3": 21.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8604, 59.9306] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "MS3",
    "water_depth": 169,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0307",
    "depth": 125.0,
    "PO4": 1.79,
    "SiOH4": 29.99,
    "NO3_NO2": 22.25,
    "NO2": 0.05,
    "NH4": 0.06,
    "NO3": 22.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8604, 59.9306] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "MS3",
    "water_depth": 169,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0307",
    "depth": 151.0,
    "PO4": 1.83,
    "SiOH4": 30.48,
    "NO3_NO2": 22.4,
    "NO2": 0.05,
    "NH4": 0.06,
    "NO3": 22.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8604, 59.9306] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "MS3",
    "water_depth": 169,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0307",
    "depth": 165.0,
    "PO4": 1.81,
    "SiOH4": 29.22,
    "NO3_NO2": 21.96,
    "NO2": 0.07,
    "NH4": 0.14,
    "NO3": 21.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8982, 59.9433] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "MS2",
    "water_depth": 192,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0353",
    "depth": 3.0,
    "PO4": 0.89,
    "SiOH4": 12.3,
    "NO3_NO2": 9.52,
    "NO2": 0.14,
    "NH4": 0.32,
    "NO3": 9.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8982, 59.9433] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "MS2",
    "water_depth": 192,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0353",
    "depth": 10.0,
    "PO4": 1.17,
    "SiOH4": 12.25,
    "NO3_NO2": 9.44,
    "NO2": 0.16,
    "NH4": 0.26,
    "NO3": 9.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8982, 59.9433] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "MS2",
    "water_depth": 192,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0353",
    "depth": 20.0,
    "PO4": 1.44,
    "SiOH4": 16.62,
    "NO3_NO2": 12.83,
    "NO2": 0.14,
    "NH4": 0.41,
    "NO3": 12.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8982, 59.9433] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "MS2",
    "water_depth": 192,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0353",
    "depth": 31.0,
    "PO4": 1.5,
    "SiOH4": 21.97,
    "NO3_NO2": 16.43,
    "NO2": 0.14,
    "NH4": 0.38,
    "NO3": 16.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8982, 59.9433] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "MS2",
    "water_depth": 192,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0353",
    "depth": 41.0,
    "PO4": 1.62,
    "SiOH4": 24.68,
    "NO3_NO2": 18.45,
    "NO2": 0.14,
    "NH4": 0.14,
    "NO3": 18.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8982, 59.9433] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "MS2",
    "water_depth": 192,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0353",
    "depth": 49.0,
    "PO4": 1.6,
    "SiOH4": 27.06,
    "NO3_NO2": 19.67,
    "NO2": 0.09,
    "NH4": 0.08,
    "NO3": 19.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8982, 59.9433] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "MS2",
    "water_depth": 192,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0353",
    "depth": 76.0,
    "PO4": 1.72,
    "SiOH4": 28.17,
    "NO3_NO2": 21.04,
    "NO2": 0.02,
    "NH4": 0.07,
    "NO3": 21.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8982, 59.9433] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "MS2",
    "water_depth": 192,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0353",
    "depth": 101.0,
    "PO4": 1.8,
    "SiOH4": 29.61,
    "NO3_NO2": 21.9,
    "NO2": 0.02,
    "NH4": 0.06,
    "NO3": 21.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8982, 59.9433] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "MS2",
    "water_depth": 192,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0353",
    "depth": 125.0,
    "PO4": 1.78,
    "SiOH4": 30.28,
    "NO3_NO2": 22.19,
    "NO2": 0.02,
    "NH4": 0.02,
    "NO3": 22.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8982, 59.9433] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "MS2",
    "water_depth": 192,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0353",
    "depth": 151.0,
    "PO4": 1.87,
    "SiOH4": 31.44,
    "NO3_NO2": 23.12,
    "NO2": 0.02,
    "NH4": 0.04,
    "NO3": 23.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9313, 59.9534] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 98,
    "stn_id": "MS1",
    "water_depth": 165,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0438",
    "depth": 2.0,
    "PO4": 0.73,
    "SiOH4": 6.7,
    "NO3_NO2": 3.86,
    "NO2": 0.02,
    "NH4": 0.06,
    "NO3": 3.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9313, 59.9534] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 98,
    "stn_id": "MS1",
    "water_depth": 165,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0438",
    "depth": 10.0,
    "PO4": 0.84,
    "SiOH4": 6.65,
    "NO3_NO2": 6.67,
    "NO2": 0.05,
    "NH4": 0.24,
    "NO3": 6.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9313, 59.9534] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 98,
    "stn_id": "MS1",
    "water_depth": 165,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0438",
    "depth": 20.0,
    "PO4": 1.12,
    "SiOH4": 11.12,
    "NO3_NO2": 9.33,
    "NO2": 0.09,
    "NH4": 0.29,
    "NO3": 9.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9313, 59.9534] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 98,
    "stn_id": "MS1",
    "water_depth": 165,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0438",
    "depth": 30.0,
    "PO4": 1.4,
    "SiOH4": 22.21,
    "NO3_NO2": 16.62,
    "NO2": 0.09,
    "NH4": 0.3,
    "NO3": 16.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9313, 59.9534] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 98,
    "stn_id": "MS1",
    "water_depth": 165,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0438",
    "depth": 41.0,
    "PO4": 1.46,
    "SiOH4": 24.26,
    "NO3_NO2": 18.42,
    "NO2": 0.09,
    "NH4": 0.21,
    "NO3": 18.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9313, 59.9534] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 98,
    "stn_id": "MS1",
    "water_depth": 165,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0438",
    "depth": 51.0,
    "PO4": 1.51,
    "SiOH4": 24.1,
    "NO3_NO2": 18.41,
    "NO2": 0.05,
    "NH4": 0.23,
    "NO3": 18.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9313, 59.9534] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 98,
    "stn_id": "MS1",
    "water_depth": 165,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0438",
    "depth": 75.0,
    "PO4": 1.65,
    "SiOH4": 27.31,
    "NO3_NO2": 20.86,
    "NO2": 0.02,
    "NH4": 0.05,
    "NO3": 20.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9313, 59.9534] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 98,
    "stn_id": "MS1",
    "water_depth": 165,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0438",
    "depth": 101.0,
    "PO4": 1.68,
    "SiOH4": 28.53,
    "NO3_NO2": 21.87,
    "NO2": 0.02,
    "NH4": 0.04,
    "NO3": 21.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9313, 59.9534] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 98,
    "stn_id": "MS1",
    "water_depth": 165,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0438",
    "depth": 126.0,
    "PO4": 1.76,
    "SiOH4": 28.15,
    "NO3_NO2": 22.3,
    "NO2": 0.02,
    "NH4": 0.17,
    "NO3": 22.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9313, 59.9534] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 98,
    "stn_id": "MS1",
    "water_depth": 165,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0438",
    "depth": 152.0,
    "PO4": 1.83,
    "SiOH4": 29.09,
    "NO3_NO2": 23.16,
    "NO2": 0.02,
    "NH4": 0.16,
    "NO3": 23.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9313, 59.9534] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 98,
    "stn_id": "MS1",
    "water_depth": 165,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "0438",
    "depth": 153.0,
    "PO4": 1.81,
    "SiOH4": 29.1,
    "NO3_NO2": 23.16,
    "NO2": 0.02,
    "NH4": 0.12,
    "NO3": 23.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9866, 60.2769] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 99,
    "stn_id": "KIP2",
    "water_depth": 586,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "1840",
    "depth": 2.0,
    "PO4": 0.55,
    "SiOH4": 0.59,
    "NO3_NO2": 0.58,
    "NO2": 0.02,
    "NH4": 0.08,
    "NO3": 0.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9866, 60.2769] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 99,
    "stn_id": "KIP2",
    "water_depth": 586,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "1840",
    "depth": 2.0,
    "PO4": 0.64,
    "SiOH4": 0.59,
    "NO3_NO2": 0.43,
    "NO2": 0.02,
    "NH4": 0.14,
    "NO3": 0.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9866, 60.2769] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 99,
    "stn_id": "KIP2",
    "water_depth": 586,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "1840",
    "depth": 4.0,
    "PO4": 0.72,
    "SiOH4": 0.59,
    "NO3_NO2": 1.16,
    "NO2": 0.02,
    "NH4": 0.25,
    "NO3": 1.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9866, 60.2769] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 99,
    "stn_id": "KIP2",
    "water_depth": 586,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "1840",
    "depth": 6.0,
    "PO4": 0.71,
    "SiOH4": 0.59,
    "NO3_NO2": 0.8,
    "NO2": 0.02,
    "NH4": 0.17,
    "NO3": 0.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9866, 60.2769] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 99,
    "stn_id": "KIP2",
    "water_depth": 586,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "1840",
    "depth": 9.0,
    "PO4": 0.7,
    "SiOH4": 0.59,
    "NO3_NO2": 0.8,
    "NO2": 0.05,
    "NH4": 0.11,
    "NO3": 0.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9866, 60.2769] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 99,
    "stn_id": "KIP2",
    "water_depth": 586,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "1840",
    "depth": 14.0,
    "PO4": 0.78,
    "SiOH4": 1.76,
    "NO3_NO2": 2.89,
    "NO2": 0.05,
    "NH4": 0.36,
    "NO3": 2.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9905, 60.2752] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "KIP2",
    "water_depth": 575,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "1904",
    "depth": 2.0,
    "PO4": 0.57,
    "SiOH4": 0.59,
    "NO3_NO2": 1.01,
    "NO2": 0.02,
    "NH4": 0.17,
    "NO3": 0.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9905, 60.2752] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "KIP2",
    "water_depth": 575,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "1904",
    "depth": 10.0,
    "PO4": 0.55,
    "SiOH4": 1.17,
    "NO3_NO2": 1.66,
    "NO2": 0.02,
    "NH4": 0.22,
    "NO3": 1.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9905, 60.2752] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "KIP2",
    "water_depth": 575,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "1904",
    "depth": 20.0,
    "PO4": 0.55,
    "SiOH4": 2.35,
    "NO3_NO2": 2.89,
    "NO2": 0.02,
    "NH4": 0.31,
    "NO3": 2.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9905, 60.2752] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "KIP2",
    "water_depth": 575,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "1904",
    "depth": 30.0,
    "PO4": 1.42,
    "SiOH4": 20.29,
    "NO3_NO2": 16.72,
    "NO2": 0.12,
    "NH4": 0.33,
    "NO3": 16.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9905, 60.2752] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "KIP2",
    "water_depth": 575,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "1904",
    "depth": 51.0,
    "PO4": 1.48,
    "SiOH4": 22.46,
    "NO3_NO2": 18.31,
    "NO2": 0.12,
    "NH4": 0.19,
    "NO3": 18.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9905, 60.2752] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "KIP2",
    "water_depth": 575,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "1904",
    "depth": 75.0,
    "PO4": 1.68,
    "SiOH4": 24.93,
    "NO3_NO2": 20.34,
    "NO2": 0.07,
    "NH4": 0.11,
    "NO3": 20.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9905, 60.2752] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "KIP2",
    "water_depth": 575,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "1904",
    "depth": 100.0,
    "PO4": 1.72,
    "SiOH4": 26.28,
    "NO3_NO2": 21.71,
    "NO2": 0.02,
    "NH4": 0.08,
    "NO3": 21.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9905, 60.2752] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "KIP2",
    "water_depth": 575,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "1904",
    "depth": 150.0,
    "PO4": 1.84,
    "SiOH4": 27.15,
    "NO3_NO2": 22.43,
    "NO2": 0.02,
    "NH4": 0.11,
    "NO3": 22.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9905, 60.2752] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "KIP2",
    "water_depth": 575,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "1904",
    "depth": 200.0,
    "PO4": 1.9,
    "SiOH4": 29.85,
    "NO3_NO2": 23.45,
    "NO2": 0.02,
    "NH4": 0.11,
    "NO3": 23.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9905, 60.2752] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "KIP2",
    "water_depth": 575,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "1904",
    "depth": 250.0,
    "PO4": 1.97,
    "SiOH4": 31.79,
    "NO3_NO2": 24.46,
    "NO2": 0.02,
    "NH4": 0.08,
    "NO3": 24.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9905, 60.2752] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "KIP2",
    "water_depth": 575,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "1904",
    "depth": 500.0,
    "PO4": 2.22,
    "SiOH4": 36.25,
    "NO3_NO2": 27.79,
    "NO2": 0.02,
    "NH4": 0.08,
    "NO3": 27.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8046, 60.5367] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "PWS2",
    "water_depth": 748,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "2147",
    "depth": 2.0,
    "PO4": 1.0,
    "SiOH4": 11.35,
    "NO3_NO2": 8.58,
    "NO2": 0.12,
    "NH4": 0.03,
    "NO3": 8.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8046, 60.5367] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "PWS2",
    "water_depth": 748,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "2147",
    "depth": 10.0,
    "PO4": 0.96,
    "SiOH4": 11.84,
    "NO3_NO2": 8.51,
    "NO2": 0.14,
    "NH4": 0.03,
    "NO3": 8.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8046, 60.5367] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "PWS2",
    "water_depth": 748,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "2147",
    "depth": 20.0,
    "PO4": 1.3,
    "SiOH4": 19.13,
    "NO3_NO2": 14.21,
    "NO2": 0.14,
    "NH4": 0.32,
    "NO3": 14.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8046, 60.5367] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "PWS2",
    "water_depth": 748,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "2147",
    "depth": 30.0,
    "PO4": 1.65,
    "SiOH4": 25.8,
    "NO3_NO2": 19.04,
    "NO2": 0.12,
    "NH4": 0.12,
    "NO3": 18.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8046, 60.5367] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "PWS2",
    "water_depth": 748,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "2147",
    "depth": 51.0,
    "PO4": 1.74,
    "SiOH4": 27.15,
    "NO3_NO2": 19.84,
    "NO2": 0.02,
    "NH4": 0.09,
    "NO3": 19.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8046, 60.5367] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "PWS2",
    "water_depth": 748,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "2147",
    "depth": 75.0,
    "PO4": 1.77,
    "SiOH4": 28.25,
    "NO3_NO2": 20.63,
    "NO2": 0.02,
    "NH4": 0.03,
    "NO3": 20.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8046, 60.5367] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "PWS2",
    "water_depth": 748,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "2147",
    "depth": 100.0,
    "PO4": 1.81,
    "SiOH4": 28.74,
    "NO3_NO2": 21.06,
    "NO2": 0.02,
    "NH4": 0.03,
    "NO3": 21.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8046, 60.5367] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "PWS2",
    "water_depth": 748,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "2147",
    "depth": 150.0,
    "PO4": 1.82,
    "SiOH4": 28.75,
    "NO3_NO2": 21.42,
    "NO2": 0.02,
    "NH4": 0.03,
    "NO3": 21.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8046, 60.5367] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "PWS2",
    "water_depth": 748,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "2147",
    "depth": 200.0,
    "PO4": 1.87,
    "SiOH4": 29.13,
    "NO3_NO2": 22.07,
    "NO2": 0.02,
    "NH4": 0.03,
    "NO3": 22.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8046, 60.5367] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "PWS2",
    "water_depth": 748,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "2147",
    "depth": 251.0,
    "PO4": 1.98,
    "SiOH4": 31.87,
    "NO3_NO2": 24.16,
    "NO2": 0.02,
    "NH4": 0.03,
    "NO3": 24.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8046, 60.5367] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "PWS2",
    "water_depth": 748,
    "month_gmt": "4",
    "day_gmt": "11",
    "time_gmt": "2147",
    "depth": 500.0,
    "PO4": 2.46,
    "SiOH4": 42.06,
    "NO3_NO2": 30.8,
    "NO2": 0.02,
    "NH4": 0.03,
    "NO3": 30.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9406, 60.3787] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 109,
    "stn_id": "PWS1",
    "water_depth": 352,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0225",
    "depth": 2.0,
    "PO4": 0.3,
    "SiOH4": 0.63,
    "NO3_NO2": 0.07,
    "NO2": 0.02,
    "NH4": 0.03,
    "NO3": 0.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9406, 60.3787] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 109,
    "stn_id": "PWS1",
    "water_depth": 352,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0225",
    "depth": 10.0,
    "PO4": 0.62,
    "SiOH4": 5.75,
    "NO3_NO2": 4.18,
    "NO2": 0.02,
    "NH4": 0.12,
    "NO3": 4.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9406, 60.3787] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 109,
    "stn_id": "PWS1",
    "water_depth": 352,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0225",
    "depth": 20.0,
    "PO4": 1.11,
    "SiOH4": 13.6,
    "NO3_NO2": 11.04,
    "NO2": 0.07,
    "NH4": 0.38,
    "NO3": 10.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9406, 60.3787] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 109,
    "stn_id": "PWS1",
    "water_depth": 352,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0225",
    "depth": 30.0,
    "PO4": 1.54,
    "SiOH4": 24.42,
    "NO3_NO2": 18.47,
    "NO2": 0.09,
    "NH4": 0.06,
    "NO3": 18.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9406, 60.3787] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 109,
    "stn_id": "PWS1",
    "water_depth": 352,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0225",
    "depth": 50.0,
    "PO4": 1.68,
    "SiOH4": 27.18,
    "NO3_NO2": 20.41,
    "NO2": 0.02,
    "NH4": 0.03,
    "NO3": 20.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9406, 60.3787] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 109,
    "stn_id": "PWS1",
    "water_depth": 352,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0225",
    "depth": 75.0,
    "PO4": 1.76,
    "SiOH4": 28.3,
    "NO3_NO2": 21.13,
    "NO2": 0.02,
    "NH4": 0.03,
    "NO3": 21.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9406, 60.3787] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 109,
    "stn_id": "PWS1",
    "water_depth": 352,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0225",
    "depth": 100.0,
    "PO4": 1.76,
    "SiOH4": 28.63,
    "NO3_NO2": 21.42,
    "NO2": 0.02,
    "NH4": 0.03,
    "NO3": 21.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9406, 60.3787] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 109,
    "stn_id": "PWS1",
    "water_depth": 352,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0225",
    "depth": 150.0,
    "PO4": 1.82,
    "SiOH4": 29.99,
    "NO3_NO2": 22.0,
    "NO2": 0.02,
    "NH4": 0.03,
    "NO3": 21.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9406, 60.3787] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 109,
    "stn_id": "PWS1",
    "water_depth": 352,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0225",
    "depth": 200.0,
    "PO4": 1.85,
    "SiOH4": 29.83,
    "NO3_NO2": 22.58,
    "NO2": 0.02,
    "NH4": 0.03,
    "NO3": 22.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9406, 60.3787] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 109,
    "stn_id": "PWS1",
    "water_depth": 352,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0225",
    "depth": 250.0,
    "PO4": 2.04,
    "SiOH4": 32.77,
    "NO3_NO2": 24.96,
    "NO2": 0.02,
    "NH4": 0.03,
    "NO3": 24.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9406, 60.3787] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 109,
    "stn_id": "PWS1",
    "water_depth": 352,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0225",
    "depth": 301.0,
    "PO4": 2.15,
    "SiOH4": 34.86,
    "NO3_NO2": 26.54,
    "NO2": 0.02,
    "NH4": 0.03,
    "NO3": 26.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9406, 60.3787] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 109,
    "stn_id": "PWS1",
    "water_depth": 352,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0225",
    "depth": 352.0,
    "PO4": 2.29,
    "SiOH4": 35.86,
    "NO3_NO2": 28.06,
    "NO2": 0.02,
    "NH4": 0.03,
    "NO3": 28.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7018, 60.1926] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 110,
    "stn_id": "HB1",
    "water_depth": 244,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0506",
    "depth": 2.0,
    "PO4": 0.65,
    "SiOH4": 1.53,
    "NO3_NO2": 0.35,
    "NO2": 0.01,
    "NH4": 0.02,
    "NO3": 0.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7018, 60.1926] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 110,
    "stn_id": "HB1",
    "water_depth": 244,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0506",
    "depth": 10.0,
    "PO4": 0.64,
    "SiOH4": 1.61,
    "NO3_NO2": 1.08,
    "NO2": 0.03,
    "NH4": 0.04,
    "NO3": 1.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7018, 60.1926] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 110,
    "stn_id": "HB1",
    "water_depth": 244,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0506",
    "depth": 21.0,
    "PO4": 0.93,
    "SiOH4": 9.76,
    "NO3_NO2": 8.78,
    "NO2": 0.13,
    "NH4": 0.25,
    "NO3": 8.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7018, 60.1926] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 110,
    "stn_id": "HB1",
    "water_depth": 244,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0506",
    "depth": 30.0,
    "PO4": 0.97,
    "SiOH4": 10.12,
    "NO3_NO2": 10.53,
    "NO2": 0.14,
    "NH4": 0.22,
    "NO3": 10.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7018, 60.1926] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 110,
    "stn_id": "HB1",
    "water_depth": 244,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0506",
    "depth": 40.0,
    "PO4": 1.37,
    "SiOH4": 19.06,
    "NO3_NO2": 16.69,
    "NO2": 0.13,
    "NH4": 0.26,
    "NO3": 16.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7018, 60.1926] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 110,
    "stn_id": "HB1",
    "water_depth": 244,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0506",
    "depth": 50.0,
    "PO4": 1.56,
    "SiOH4": 23.23,
    "NO3_NO2": 19.83,
    "NO2": 0.1,
    "NH4": 0.14,
    "NO3": 19.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7018, 60.1926] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 110,
    "stn_id": "HB1",
    "water_depth": 244,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0506",
    "depth": 75.0,
    "PO4": 1.72,
    "SiOH4": 25.1,
    "NO3_NO2": 21.36,
    "NO2": 0.05,
    "NH4": 0.05,
    "NO3": 21.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7018, 60.1926] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 110,
    "stn_id": "HB1",
    "water_depth": 244,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0506",
    "depth": 100.0,
    "PO4": 1.72,
    "SiOH4": 26.24,
    "NO3_NO2": 21.94,
    "NO2": 0.04,
    "NH4": 0.1,
    "NO3": 21.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7018, 60.1926] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 110,
    "stn_id": "HB1",
    "water_depth": 244,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0506",
    "depth": 125.0,
    "PO4": 1.76,
    "SiOH4": 26.88,
    "NO3_NO2": 22.29,
    "NO2": 0.0,
    "NH4": 0.09,
    "NO3": 22.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7018, 60.1926] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 110,
    "stn_id": "HB1",
    "water_depth": 244,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0506",
    "depth": 151.0,
    "PO4": 1.83,
    "SiOH4": 28.41,
    "NO3_NO2": 22.72,
    "NO2": 0.02,
    "NH4": 0.08,
    "NO3": 22.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7018, 60.1926] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 110,
    "stn_id": "HB1",
    "water_depth": 244,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0506",
    "depth": 200.0,
    "PO4": 1.88,
    "SiOH4": 29.5,
    "NO3_NO2": 23.59,
    "NO2": 0.01,
    "NH4": 0.13,
    "NO3": 23.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6431, 60.1778] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 111,
    "stn_id": "HB2",
    "water_depth": 174,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0601",
    "depth": 2.0,
    "PO4": 1.02,
    "SiOH4": 14.15,
    "NO3_NO2": 11.67,
    "NO2": 0.13,
    "NH4": 0.18,
    "NO3": 11.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6431, 60.1778] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 111,
    "stn_id": "HB2",
    "water_depth": 174,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0601",
    "depth": 10.0,
    "PO4": 1.06,
    "SiOH4": 15.18,
    "NO3_NO2": 11.81,
    "NO2": 0.15,
    "NH4": 0.14,
    "NO3": 11.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6431, 60.1778] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 111,
    "stn_id": "HB2",
    "water_depth": 174,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0601",
    "depth": 20.0,
    "PO4": 1.15,
    "SiOH4": 18.95,
    "NO3_NO2": 14.73,
    "NO2": 0.18,
    "NH4": 0.1,
    "NO3": 14.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6431, 60.1778] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 111,
    "stn_id": "HB2",
    "water_depth": 174,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0601",
    "depth": 30.0,
    "PO4": 1.2,
    "SiOH4": 19.87,
    "NO3_NO2": 15.6,
    "NO2": 0.17,
    "NH4": 0.18,
    "NO3": 15.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6431, 60.1778] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 111,
    "stn_id": "HB2",
    "water_depth": 174,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0601",
    "depth": 40.0,
    "PO4": 1.41,
    "SiOH4": 22.36,
    "NO3_NO2": 18.09,
    "NO2": 0.16,
    "NH4": 0.11,
    "NO3": 17.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6431, 60.1778] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 111,
    "stn_id": "HB2",
    "water_depth": 174,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0601",
    "depth": 50.0,
    "PO4": 1.52,
    "SiOH4": 24.06,
    "NO3_NO2": 19.4,
    "NO2": 0.13,
    "NH4": 0.08,
    "NO3": 19.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6431, 60.1778] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 111,
    "stn_id": "HB2",
    "water_depth": 174,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0601",
    "depth": 75.0,
    "PO4": 1.65,
    "SiOH4": 26.77,
    "NO3_NO2": 21.15,
    "NO2": 0.03,
    "NH4": 0.01,
    "NO3": 21.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6431, 60.1778] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 111,
    "stn_id": "HB2",
    "water_depth": 174,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0601",
    "depth": 100.0,
    "PO4": 1.79,
    "SiOH4": 28.93,
    "NO3_NO2": 22.75,
    "NO2": 0.02,
    "NH4": 0.12,
    "NO3": 22.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6431, 60.1778] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 111,
    "stn_id": "HB2",
    "water_depth": 174,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0601",
    "depth": 125.0,
    "PO4": 1.82,
    "SiOH4": 29.0,
    "NO3_NO2": 23.25,
    "NO2": 0.01,
    "NH4": 0.08,
    "NO3": 23.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6431, 60.1778] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 111,
    "stn_id": "HB2",
    "water_depth": 174,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0601",
    "depth": 150.0,
    "PO4": 1.89,
    "SiOH4": 29.02,
    "NO3_NO2": 23.68,
    "NO2": 0.0,
    "NH4": 0.13,
    "NO3": 23.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6431, 60.1778] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 111,
    "stn_id": "HB2",
    "water_depth": 174,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0601",
    "depth": 172.0,
    "PO4": 1.99,
    "SiOH4": 29.6,
    "NO3_NO2": 24.47,
    "NO2": 0.03,
    "NH4": 0.15,
    "NO3": 24.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5758, 60.1658] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 112,
    "stn_id": "HB3",
    "water_depth": 86,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0646",
    "depth": 2.0,
    "PO4": 1.01,
    "SiOH4": 12.36,
    "NO3_NO2": 8.81,
    "NO2": 0.02,
    "NH4": 0.0,
    "NO3": 8.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5758, 60.1658] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 112,
    "stn_id": "HB3",
    "water_depth": 86,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0646",
    "depth": 10.0,
    "PO4": 0.93,
    "SiOH4": 12.46,
    "NO3_NO2": 9.05,
    "NO2": 0.03,
    "NH4": 0.14,
    "NO3": 9.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5758, 60.1658] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 112,
    "stn_id": "HB3",
    "water_depth": 86,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0646",
    "depth": 20.0,
    "PO4": 0.91,
    "SiOH4": 14.09,
    "NO3_NO2": 9.72,
    "NO2": 0.03,
    "NH4": 0.05,
    "NO3": 9.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5758, 60.1658] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 112,
    "stn_id": "HB3",
    "water_depth": 86,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0646",
    "depth": 31.0,
    "PO4": 1.2,
    "SiOH4": 20.3,
    "NO3_NO2": 14.57,
    "NO2": 0.02,
    "NH4": 0.16,
    "NO3": 14.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5758, 60.1658] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 112,
    "stn_id": "HB3",
    "water_depth": 86,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0646",
    "depth": 40.0,
    "PO4": 1.37,
    "SiOH4": 24.09,
    "NO3_NO2": 17.67,
    "NO2": 0.01,
    "NH4": 0.18,
    "NO3": 17.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5758, 60.1658] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 112,
    "stn_id": "HB3",
    "water_depth": 86,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0646",
    "depth": 51.0,
    "PO4": 1.56,
    "SiOH4": 27.83,
    "NO3_NO2": 20.03,
    "NO2": 0.01,
    "NH4": 0.03,
    "NO3": 20.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5758, 60.1658] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 112,
    "stn_id": "HB3",
    "water_depth": 86,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0646",
    "depth": 76.0,
    "PO4": 1.74,
    "SiOH4": 30.93,
    "NO3_NO2": 21.88,
    "NO2": 0.0,
    "NH4": 0.06,
    "NO3": 21.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5758, 60.1658] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 112,
    "stn_id": "HB3",
    "water_depth": 86,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0646",
    "depth": 80.0,
    "PO4": 1.82,
    "SiOH4": 31.56,
    "NO3_NO2": 22.41,
    "NO2": 0.0,
    "NH4": 0.05,
    "NO3": 22.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5045, 60.1497] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 113,
    "stn_id": "HB4",
    "water_depth": 102,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0717",
    "depth": 2.0,
    "PO4": 1.16,
    "SiOH4": 19.48,
    "NO3_NO2": 13.7,
    "NO2": 0.05,
    "NH4": 0.11,
    "NO3": 13.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5045, 60.1497] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 113,
    "stn_id": "HB4",
    "water_depth": 102,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0717",
    "depth": 10.0,
    "PO4": 1.16,
    "SiOH4": 19.53,
    "NO3_NO2": 14.16,
    "NO2": 0.05,
    "NH4": 0.13,
    "NO3": 14.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5045, 60.1497] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 113,
    "stn_id": "HB4",
    "water_depth": 102,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0717",
    "depth": 20.0,
    "PO4": 1.15,
    "SiOH4": 19.52,
    "NO3_NO2": 13.74,
    "NO2": 0.06,
    "NH4": 0.16,
    "NO3": 13.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5045, 60.1497] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 113,
    "stn_id": "HB4",
    "water_depth": 102,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0717",
    "depth": 30.0,
    "PO4": 1.16,
    "SiOH4": 19.57,
    "NO3_NO2": 14.27,
    "NO2": 0.08,
    "NH4": 0.21,
    "NO3": 14.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5045, 60.1497] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 113,
    "stn_id": "HB4",
    "water_depth": 102,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0717",
    "depth": 40.0,
    "PO4": 1.34,
    "SiOH4": 22.84,
    "NO3_NO2": 16.48,
    "NO2": 0.1,
    "NH4": 0.18,
    "NO3": 16.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5045, 60.1497] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 113,
    "stn_id": "HB4",
    "water_depth": 102,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0717",
    "depth": 50.0,
    "PO4": 1.41,
    "SiOH4": 23.94,
    "NO3_NO2": 17.38,
    "NO2": 0.07,
    "NH4": 0.23,
    "NO3": 17.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5045, 60.1497] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 113,
    "stn_id": "HB4",
    "water_depth": 102,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0717",
    "depth": 75.0,
    "PO4": 1.48,
    "SiOH4": 25.51,
    "NO3_NO2": 18.27,
    "NO2": 0.13,
    "NH4": 0.28,
    "NO3": 18.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5045, 60.1497] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 113,
    "stn_id": "HB4",
    "water_depth": 102,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0717",
    "depth": 99.0,
    "PO4": 1.62,
    "SiOH4": 28.84,
    "NO3_NO2": 20.64,
    "NO2": 0.14,
    "NH4": 0.14,
    "NO3": 20.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4528, 60.1349] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 115,
    "stn_id": "HB5",
    "water_depth": 35,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0751",
    "depth": 2.0,
    "PO4": 1.35,
    "SiOH4": 24.02,
    "NO3_NO2": 16.77,
    "NO2": 0.14,
    "NH4": 0.16,
    "NO3": 16.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4528, 60.1349] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 115,
    "stn_id": "HB5",
    "water_depth": 35,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0751",
    "depth": 11.0,
    "PO4": 1.32,
    "SiOH4": 24.01,
    "NO3_NO2": 16.79,
    "NO2": 0.15,
    "NH4": 0.16,
    "NO3": 16.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4528, 60.1349] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 115,
    "stn_id": "HB5",
    "water_depth": 35,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0751",
    "depth": 20.0,
    "PO4": 1.34,
    "SiOH4": 23.59,
    "NO3_NO2": 16.51,
    "NO2": 0.12,
    "NH4": 0.18,
    "NO3": 16.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4528, 60.1349] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 115,
    "stn_id": "HB5",
    "water_depth": 35,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0751",
    "depth": 30.0,
    "PO4": 1.34,
    "SiOH4": 23.41,
    "NO3_NO2": 16.6,
    "NO2": 0.12,
    "NH4": 0.21,
    "NO3": 16.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4528, 60.1349] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 115,
    "stn_id": "HB5",
    "water_depth": 35,
    "month_gmt": "4",
    "day_gmt": "12",
    "time_gmt": "0751",
    "depth": 34.0,
    "PO4": 1.49,
    "SiOH4": 26.21,
    "NO3_NO2": 18.23,
    "NO2": 0.13,
    "NH4": 0.26,
    "NO3": 18.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9777, 59.0617] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 116,
    "stn_id": "CCSE7",
    "water_depth": 1874,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "0137",
    "depth": 2.0,
    "PO4": 1.62,
    "SiOH4": 21.91,
    "NO3_NO2": 16.48,
    "NO2": 0.21,
    "NH4": 0.28,
    "NO3": 16.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9777, 59.0617] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 116,
    "stn_id": "CCSE7",
    "water_depth": 1874,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "0137",
    "depth": 11.0,
    "PO4": 1.47,
    "SiOH4": 21.89,
    "NO3_NO2": 16.75,
    "NO2": 0.23,
    "NH4": 0.28,
    "NO3": 16.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9777, 59.0617] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 116,
    "stn_id": "CCSE7",
    "water_depth": 1874,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "0137",
    "depth": 20.0,
    "PO4": 1.45,
    "SiOH4": 21.82,
    "NO3_NO2": 16.75,
    "NO2": 0.25,
    "NH4": 0.17,
    "NO3": 16.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9777, 59.0617] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 116,
    "stn_id": "CCSE7",
    "water_depth": 1874,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "0137",
    "depth": 31.0,
    "PO4": 1.44,
    "SiOH4": 21.84,
    "NO3_NO2": 17.29,
    "NO2": 0.19,
    "NH4": 0.17,
    "NO3": 17.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9777, 59.0617] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 116,
    "stn_id": "CCSE7",
    "water_depth": 1874,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "0137",
    "depth": 52.0,
    "PO4": 1.52,
    "SiOH4": 20.92,
    "NO3_NO2": 18.14,
    "NO2": 0.22,
    "NH4": 0.17,
    "NO3": 17.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9777, 59.0617] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 116,
    "stn_id": "CCSE7",
    "water_depth": 1874,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "0137",
    "depth": 76.0,
    "PO4": 1.64,
    "SiOH4": 23.63,
    "NO3_NO2": 20.57,
    "NO2": 0.17,
    "NH4": 0.11,
    "NO3": 20.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9777, 59.0617] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 116,
    "stn_id": "CCSE7",
    "water_depth": 1874,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "0137",
    "depth": 104.0,
    "PO4": 1.78,
    "SiOH4": 26.73,
    "NO3_NO2": 22.93,
    "NO2": 0.05,
    "NH4": 0.11,
    "NO3": 22.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9777, 59.0617] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 116,
    "stn_id": "CCSE7",
    "water_depth": 1874,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "0137",
    "depth": 252.0,
    "PO4": 2.89,
    "SiOH4": 71.24,
    "NO3_NO2": 43.64,
    "NO2": 0.0,
    "NH4": 0.14,
    "NO3": 43.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9777, 59.0617] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 116,
    "stn_id": "CCSE7",
    "water_depth": 1874,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "0137",
    "depth": 504.0,
    "PO4": 3.37,
    "SiOH4": 89.07,
    "NO3_NO2": 50.14,
    "NO2": 0.0,
    "NH4": 0.14,
    "NO3": 50.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9777, 59.0617] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 116,
    "stn_id": "CCSE7",
    "water_depth": 1874,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "0137",
    "depth": 751.0,
    "PO4": 3.52,
    "SiOH4": 111.22,
    "NO3_NO2": 50.79,
    "NO2": 0.0,
    "NH4": 0.14,
    "NO3": 50.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9777, 59.0617] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 116,
    "stn_id": "CCSE7",
    "water_depth": 1874,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "0137",
    "depth": 1000.0,
    "PO4": 3.52,
    "SiOH4": null,
    "NO3_NO2": 51.29,
    "NO2": 0.0,
    "NH4": 0.08,
    "NO3": 51.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9777, 59.0617] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 116,
    "stn_id": "CCSE7",
    "water_depth": 1874,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "0137",
    "depth": 1509.0,
    "PO4": 3.48,
    "SiOH4": null,
    "NO3_NO2": 50.93,
    "NO2": 0.0,
    "NH4": 0.06,
    "NO3": 50.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7333, 58.8841] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 117,
    "stn_id": "CCSE8",
    "water_depth": 2771,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "0450",
    "depth": 2.0,
    "PO4": 1.37,
    "SiOH4": 20.04,
    "NO3_NO2": 17.0,
    "NO2": 0.17,
    "NH4": 0.08,
    "NO3": 16.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7333, 58.8841] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 117,
    "stn_id": "CCSE8",
    "water_depth": 2771,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "0450",
    "depth": 10.0,
    "PO4": 1.41,
    "SiOH4": 20.36,
    "NO3_NO2": 17.0,
    "NO2": 0.17,
    "NH4": 0.06,
    "NO3": 16.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7333, 58.8841] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 117,
    "stn_id": "CCSE8",
    "water_depth": 2771,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "0450",
    "depth": 20.0,
    "PO4": 1.41,
    "SiOH4": 20.19,
    "NO3_NO2": 17.07,
    "NO2": 0.19,
    "NH4": 0.08,
    "NO3": 16.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7333, 58.8841] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 117,
    "stn_id": "CCSE8",
    "water_depth": 2771,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "0450",
    "depth": 30.0,
    "PO4": 1.4,
    "SiOH4": 20.02,
    "NO3_NO2": 17.07,
    "NO2": 0.19,
    "NH4": 0.11,
    "NO3": 16.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7333, 58.8841] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 117,
    "stn_id": "CCSE8",
    "water_depth": 2771,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "0450",
    "depth": 50.0,
    "PO4": 1.5,
    "SiOH4": 19.6,
    "NO3_NO2": 17.29,
    "NO2": 0.22,
    "NH4": 0.14,
    "NO3": 17.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7333, 58.8841] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 117,
    "stn_id": "CCSE8",
    "water_depth": 2771,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "0450",
    "depth": 77.0,
    "PO4": 1.52,
    "SiOH4": 20.52,
    "NO3_NO2": 18.64,
    "NO2": 0.24,
    "NH4": 0.2,
    "NO3": 18.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7333, 58.8841] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 117,
    "stn_id": "CCSE8",
    "water_depth": 2771,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "0450",
    "depth": 100.0,
    "PO4": 1.58,
    "SiOH4": 21.63,
    "NO3_NO2": 19.71,
    "NO2": 0.27,
    "NH4": 0.14,
    "NO3": 19.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7333, 58.8841] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 117,
    "stn_id": "CCSE8",
    "water_depth": 2771,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "0450",
    "depth": 250.0,
    "PO4": 2.84,
    "SiOH4": 62.81,
    "NO3_NO2": 43.07,
    "NO2": 0.02,
    "NH4": 0.14,
    "NO3": 43.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7333, 58.8841] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 117,
    "stn_id": "CCSE8",
    "water_depth": 2771,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "0450",
    "depth": 502.0,
    "PO4": 3.4,
    "SiOH4": 93.6,
    "NO3_NO2": 49.64,
    "NO2": 0.0,
    "NH4": 0.14,
    "NO3": 49.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7333, 58.8841] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 117,
    "stn_id": "CCSE8",
    "water_depth": 2771,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "0450",
    "depth": 749.0,
    "PO4": 3.38,
    "SiOH4": 116.83,
    "NO3_NO2": 51.14,
    "NO2": 0.02,
    "NH4": 0.17,
    "NO3": 51.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7333, 58.8841] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 117,
    "stn_id": "CCSE8",
    "water_depth": 2771,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "0450",
    "depth": 1005.0,
    "PO4": 3.53,
    "SiOH4": null,
    "NO3_NO2": 51.64,
    "NO2": 0.02,
    "NH4": 0.14,
    "NO3": 51.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7333, 58.8841] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 117,
    "stn_id": "CCSE8",
    "water_depth": 2771,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "0450",
    "depth": 1499.0,
    "PO4": 3.5,
    "SiOH4": null,
    "NO3_NO2": 51.36,
    "NO2": 0.0,
    "NH4": 0.14,
    "NO3": 51.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1662, 59.2312] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 118,
    "stn_id": "CCSE6",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1706",
    "depth": 3.0,
    "PO4": 1.64,
    "SiOH4": 21.26,
    "NO3_NO2": 17.41,
    "NO2": 0.09,
    "NH4": 0.14,
    "NO3": 17.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1662, 59.2312] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 118,
    "stn_id": "CCSE6",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1706",
    "depth": 11.0,
    "PO4": 1.56,
    "SiOH4": 21.32,
    "NO3_NO2": 17.27,
    "NO2": 0.09,
    "NH4": 0.17,
    "NO3": 17.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1662, 59.2312] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 118,
    "stn_id": "CCSE6",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1706",
    "depth": 20.0,
    "PO4": 1.55,
    "SiOH4": 21.01,
    "NO3_NO2": 17.34,
    "NO2": 0.07,
    "NH4": 0.17,
    "NO3": 17.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1662, 59.2312] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 118,
    "stn_id": "CCSE6",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1706",
    "depth": 30.0,
    "PO4": 1.5,
    "SiOH4": 21.06,
    "NO3_NO2": 17.28,
    "NO2": 0.02,
    "NH4": 0.14,
    "NO3": 17.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1662, 59.2312] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 118,
    "stn_id": "CCSE6",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1706",
    "depth": 39.0,
    "PO4": 1.57,
    "SiOH4": 21.42,
    "NO3_NO2": 17.98,
    "NO2": 0.07,
    "NH4": 0.17,
    "NO3": 17.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1662, 59.2312] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 118,
    "stn_id": "CCSE6",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1706",
    "depth": 50.0,
    "PO4": 1.6,
    "SiOH4": 21.06,
    "NO3_NO2": 17.35,
    "NO2": 0.07,
    "NH4": 0.17,
    "NO3": 17.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1662, 59.2312] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 118,
    "stn_id": "CCSE6",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1706",
    "depth": 76.0,
    "PO4": 1.64,
    "SiOH4": 20.91,
    "NO3_NO2": 18.55,
    "NO2": 0.0,
    "NH4": 0.17,
    "NO3": 18.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1662, 59.2312] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 118,
    "stn_id": "CCSE6",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1706",
    "depth": 101.0,
    "PO4": 1.6,
    "SiOH4": 20.86,
    "NO3_NO2": 18.62,
    "NO2": 0.0,
    "NH4": 0.17,
    "NO3": 18.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1662, 59.2312] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 118,
    "stn_id": "CCSE6",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1706",
    "depth": 126.0,
    "PO4": 1.63,
    "SiOH4": 21.06,
    "NO3_NO2": 19.26,
    "NO2": 0.0,
    "NH4": 0.14,
    "NO3": 19.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1662, 59.2312] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 118,
    "stn_id": "CCSE6",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1706",
    "depth": 150.0,
    "PO4": 1.75,
    "SiOH4": 23.64,
    "NO3_NO2": 21.23,
    "NO2": 0.0,
    "NH4": 0.08,
    "NO3": 21.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1662, 59.2312] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 118,
    "stn_id": "CCSE6",
    "water_depth": 200,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1706",
    "depth": 196.0,
    "PO4": 2.44,
    "SiOH4": 39.45,
    "NO3_NO2": 32.53,
    "NO2": 0.0,
    "NH4": 0.08,
    "NO3": 32.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.3556, 59.3758] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 119,
    "stn_id": "CCSE5",
    "water_depth": 124,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1851",
    "depth": 4.0,
    "PO4": 1.48,
    "SiOH4": 21.37,
    "NO3_NO2": 17.3,
    "NO2": 0.07,
    "NH4": 0.06,
    "NO3": 17.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.3556, 59.3758] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 119,
    "stn_id": "CCSE5",
    "water_depth": 124,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1851",
    "depth": 10.0,
    "PO4": 1.49,
    "SiOH4": 21.52,
    "NO3_NO2": 17.52,
    "NO2": 0.14,
    "NH4": 0.08,
    "NO3": 17.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.3556, 59.3758] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 119,
    "stn_id": "CCSE5",
    "water_depth": 124,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1851",
    "depth": 20.0,
    "PO4": 1.51,
    "SiOH4": 22.34,
    "NO3_NO2": 17.31,
    "NO2": 0.14,
    "NH4": 0.11,
    "NO3": 17.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.3556, 59.3758] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 119,
    "stn_id": "CCSE5",
    "water_depth": 124,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1851",
    "depth": 31.0,
    "PO4": 1.51,
    "SiOH4": 22.05,
    "NO3_NO2": 17.45,
    "NO2": 0.16,
    "NH4": 0.11,
    "NO3": 17.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.3556, 59.3758] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 119,
    "stn_id": "CCSE5",
    "water_depth": 124,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1851",
    "depth": 40.0,
    "PO4": 1.51,
    "SiOH4": 21.76,
    "NO3_NO2": 17.39,
    "NO2": 0.18,
    "NH4": 0.11,
    "NO3": 17.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.3556, 59.3758] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 119,
    "stn_id": "CCSE5",
    "water_depth": 124,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1851",
    "depth": 50.0,
    "PO4": 1.52,
    "SiOH4": 21.73,
    "NO3_NO2": 17.39,
    "NO2": 0.16,
    "NH4": 0.14,
    "NO3": 17.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.3556, 59.3758] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 119,
    "stn_id": "CCSE5",
    "water_depth": 124,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1851",
    "depth": 75.0,
    "PO4": 1.6,
    "SiOH4": 22.04,
    "NO3_NO2": 18.73,
    "NO2": 0.11,
    "NH4": 0.08,
    "NO3": 18.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.3556, 59.3758] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 119,
    "stn_id": "CCSE5",
    "water_depth": 124,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1851",
    "depth": 100.0,
    "PO4": 1.68,
    "SiOH4": 22.55,
    "NO3_NO2": 19.5,
    "NO2": 0.09,
    "NH4": 0.08,
    "NO3": 19.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.3556, 59.3758] },
  "properties": {
    "cruise_id": "HX241",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 119,
    "stn_id": "CCSE5",
    "water_depth": 124,
    "month_gmt": "4",
    "day_gmt": "13",
    "time_gmt": "1851",
    "depth": 122.0,
    "PO4": 1.7,
    "SiOH4": 22.91,
    "NO3_NO2": 19.44,
    "NO2": 0.09,
    "NH4": 0.08,
    "NO3": 19.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3567, 60.0256] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "1815",
    "depth": 2.0,
    "PO4": 0.95,
    "SiOH4": 7.55,
    "NO3_NO2": 12.67,
    "NO2": 0.14,
    "NH4": 1.25,
    "NO3": 12.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3567, 60.0256] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "1815",
    "depth": 10.0,
    "PO4": 1.33,
    "SiOH4": 17.81,
    "NO3_NO2": 22.0,
    "NO2": 0.21,
    "NH4": 0.95,
    "NO3": 21.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3567, 60.0256] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "1815",
    "depth": 20.1,
    "PO4": 1.41,
    "SiOH4": 21.71,
    "NO3_NO2": 24.38,
    "NO2": 0.18,
    "NH4": 0.57,
    "NO3": 24.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3567, 60.0256] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "1815",
    "depth": 30.0,
    "PO4": 1.46,
    "SiOH4": 24.73,
    "NO3_NO2": 26.33,
    "NO2": 0.1,
    "NH4": 0.27,
    "NO3": 26.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3567, 60.0256] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "1815",
    "depth": 39.9,
    "PO4": 1.47,
    "SiOH4": 25.46,
    "NO3_NO2": 27.0,
    "NO2": 0.05,
    "NH4": 0.25,
    "NO3": 26.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3567, 60.0256] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "1815",
    "depth": 49.6,
    "PO4": 1.51,
    "SiOH4": 25.23,
    "NO3_NO2": 27.72,
    "NO2": 0.03,
    "NH4": 0.12,
    "NO3": 27.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3567, 60.0256] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "1815",
    "depth": 75.2,
    "PO4": 1.48,
    "SiOH4": 25.58,
    "NO3_NO2": 27.88,
    "NO2": 0.03,
    "NH4": 0.12,
    "NO3": 27.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3567, 60.0256] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "1815",
    "depth": 100.1,
    "PO4": 1.49,
    "SiOH4": 25.44,
    "NO3_NO2": 27.7,
    "NO2": 0.06,
    "NH4": 0.15,
    "NO3": 27.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3567, 60.0256] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "1815",
    "depth": 150.5,
    "PO4": 1.47,
    "SiOH4": 25.33,
    "NO3_NO2": 27.94,
    "NO2": 0.1,
    "NH4": 0.12,
    "NO3": 27.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3567, 60.0256] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "1815",
    "depth": 201.1,
    "PO4": 1.63,
    "SiOH4": 28.55,
    "NO3_NO2": 30.96,
    "NO2": 0.01,
    "NH4": 0.1,
    "NO3": 30.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3567, 60.0256] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "1815",
    "depth": 251.5,
    "PO4": 1.77,
    "SiOH4": 31.05,
    "NO3_NO2": 32.32,
    "NO2": 0.02,
    "NH4": 0.07,
    "NO3": 32.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3567, 60.0256] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 1,
    "stn_id": "RES2.5",
    "water_depth": 300,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "1815",
    "depth": 291.9,
    "PO4": 2.02,
    "SiOH4": 35.84,
    "NO3_NO2": 34.46,
    "NO2": 0.01,
    "NH4": 0.07,
    "NO3": 34.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4668, 59.8449] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 273,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "1958",
    "depth": 2.7,
    "PO4": 0.37,
    "SiOH4": 5.14,
    "NO3_NO2": 8.21,
    "NO2": 0.03,
    "NH4": 0.8,
    "NO3": 8.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4668, 59.8449] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 273,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "1958",
    "depth": 11.4,
    "PO4": 0.4,
    "SiOH4": 5.45,
    "NO3_NO2": 8.47,
    "NO2": 0.01,
    "NH4": 0.82,
    "NO3": 8.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4668, 59.8449] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 273,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "1958",
    "depth": 21.6,
    "PO4": 0.44,
    "SiOH4": 5.5,
    "NO3_NO2": 9.42,
    "NO2": 0.04,
    "NH4": 0.92,
    "NO3": 9.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4668, 59.8449] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 273,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "1958",
    "depth": 38.3,
    "PO4": 1.19,
    "SiOH4": 19.29,
    "NO3_NO2": 23.63,
    "NO2": 0.1,
    "NH4": 1.27,
    "NO3": 23.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4668, 59.8449] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 273,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "1958",
    "depth": 49.1,
    "PO4": 1.26,
    "SiOH4": 22.39,
    "NO3_NO2": 25.34,
    "NO2": 0.11,
    "NH4": 1.0,
    "NO3": 25.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4668, 59.8449] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 273,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "1958",
    "depth": 74.6,
    "PO4": 1.3,
    "SiOH4": 25.0,
    "NO3_NO2": 26.1,
    "NO2": 0.1,
    "NH4": 0.85,
    "NO3": 26.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4668, 59.8449] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 273,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "1958",
    "depth": 102.1,
    "PO4": 1.32,
    "SiOH4": 26.85,
    "NO3_NO2": 26.89,
    "NO2": 0.17,
    "NH4": 0.4,
    "NO3": 26.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4668, 59.8449] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 273,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "1958",
    "depth": 151.9,
    "PO4": 1.32,
    "SiOH4": 25.9,
    "NO3_NO2": 26.8,
    "NO2": 0.24,
    "NH4": 0.27,
    "NO3": 26.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4668, 59.8449] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 273,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "1958",
    "depth": 199.8,
    "PO4": 1.48,
    "SiOH4": 27.8,
    "NO3_NO2": 29.52,
    "NO2": 0.09,
    "NH4": 0.12,
    "NO3": 29.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4668, 59.8449] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 273,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "1958",
    "depth": 250.6,
    "PO4": 1.71,
    "SiOH4": 33.58,
    "NO3_NO2": 34.51,
    "NO2": 0.11,
    "NH4": 0.17,
    "NO3": 34.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4668, 59.8449] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 273,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "1958",
    "depth": 269.9,
    "PO4": 1.8,
    "SiOH4": 35.92,
    "NO3_NO2": 35.19,
    "NO2": 0.12,
    "NH4": 0.17,
    "NO3": 35.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4663, 59.846] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 273,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "2036",
    "depth": 2.4,
    "PO4": 0.67,
    "SiOH4": 4.7,
    "NO3_NO2": 5.05,
    "NO2": 0.01,
    "NH4": 0.82,
    "NO3": 5.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4663, 59.846] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 273,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "2036",
    "depth": 5.1,
    "PO4": 0.56,
    "SiOH4": 4.73,
    "NO3_NO2": 5.28,
    "NO2": 0.01,
    "NH4": 0.94,
    "NO3": 5.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4663, 59.846] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 273,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "2036",
    "depth": 9.3,
    "PO4": 0.63,
    "SiOH4": 5.13,
    "NO3_NO2": 6.5,
    "NO2": 0.01,
    "NH4": 0.91,
    "NO3": 6.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4663, 59.846] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 273,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "2036",
    "depth": 17.0,
    "PO4": 0.66,
    "SiOH4": 5.31,
    "NO3_NO2": 7.56,
    "NO2": 0.02,
    "NH4": 1.01,
    "NO3": 7.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4663, 59.846] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 273,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "2036",
    "depth": 22.9,
    "PO4": 0.69,
    "SiOH4": 5.46,
    "NO3_NO2": 8.27,
    "NO2": 0.07,
    "NH4": 1.01,
    "NO3": 8.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4663, 59.846] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 3,
    "stn_id": "GAK1",
    "water_depth": 273,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "2036",
    "depth": 35.4,
    "PO4": 1.13,
    "SiOH4": 12.03,
    "NO3_NO2": 15.8,
    "NO2": 0.08,
    "NH4": 1.82,
    "NO3": 15.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3958, 59.7645] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 11,
    "stn_id": "GAK1I",
    "water_depth": 258,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "2348",
    "depth": 3.0,
    "PO4": 0.73,
    "SiOH4": 6.12,
    "NO3_NO2": 8.02,
    "NO2": 0.01,
    "NH4": 1.39,
    "NO3": 8.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3958, 59.7645] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 11,
    "stn_id": "GAK1I",
    "water_depth": 258,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "2348",
    "depth": 9.5,
    "PO4": 0.87,
    "SiOH4": 8.91,
    "NO3_NO2": 11.1,
    "NO2": 0.01,
    "NH4": 1.2,
    "NO3": 11.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3958, 59.7645] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 11,
    "stn_id": "GAK1I",
    "water_depth": 258,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "2348",
    "depth": 19.8,
    "PO4": 1.09,
    "SiOH4": 13.11,
    "NO3_NO2": 15.32,
    "NO2": 0.03,
    "NH4": 1.78,
    "NO3": 15.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3958, 59.7645] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 11,
    "stn_id": "GAK1I",
    "water_depth": 258,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "2348",
    "depth": 29.3,
    "PO4": 1.21,
    "SiOH4": 18.04,
    "NO3_NO2": 18.91,
    "NO2": 0.07,
    "NH4": 1.1,
    "NO3": 18.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3958, 59.7645] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 11,
    "stn_id": "GAK1I",
    "water_depth": 258,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "2348",
    "depth": 40.6,
    "PO4": 1.29,
    "SiOH4": 20.48,
    "NO3_NO2": 20.95,
    "NO2": 0.12,
    "NH4": 0.87,
    "NO3": 20.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3958, 59.7645] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 11,
    "stn_id": "GAK1I",
    "water_depth": 258,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "2348",
    "depth": 50.8,
    "PO4": 1.33,
    "SiOH4": 21.69,
    "NO3_NO2": 22.13,
    "NO2": 0.09,
    "NH4": 0.66,
    "NO3": 22.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3958, 59.7645] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 11,
    "stn_id": "GAK1I",
    "water_depth": 258,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "2348",
    "depth": 75.9,
    "PO4": 1.35,
    "SiOH4": 22.21,
    "NO3_NO2": 22.92,
    "NO2": 0.11,
    "NH4": 0.34,
    "NO3": 22.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3958, 59.7645] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 11,
    "stn_id": "GAK1I",
    "water_depth": 258,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "2348",
    "depth": 100.7,
    "PO4": 1.35,
    "SiOH4": 22.15,
    "NO3_NO2": 23.3,
    "NO2": 0.15,
    "NH4": 0.61,
    "NO3": 23.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3958, 59.7645] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 11,
    "stn_id": "GAK1I",
    "water_depth": 258,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "2348",
    "depth": 124.3,
    "PO4": 1.37,
    "SiOH4": 22.09,
    "NO3_NO2": 23.72,
    "NO2": 0.13,
    "NH4": 0.43,
    "NO3": 23.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3958, 59.7645] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 11,
    "stn_id": "GAK1I",
    "water_depth": 258,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "2348",
    "depth": 150.0,
    "PO4": 1.31,
    "SiOH4": 20.64,
    "NO3_NO2": 22.14,
    "NO2": 0.13,
    "NH4": 0.31,
    "NO3": 22.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3958, 59.7645] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 11,
    "stn_id": "GAK1I",
    "water_depth": 258,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "2348",
    "depth": 198.9,
    "PO4": 1.35,
    "SiOH4": 19.62,
    "NO3_NO2": 23.24,
    "NO2": 0.1,
    "NH4": 0.25,
    "NO3": 23.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3958, 59.7645] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 11,
    "stn_id": "GAK1I",
    "water_depth": 258,
    "month_gmt": "05",
    "day_gmt": "04",
    "time_gmt": "2348",
    "depth": 255.1,
    "PO4": 1.67,
    "SiOH4": 25.74,
    "NO3_NO2": 30.38,
    "NO2": 0.04,
    "NH4": 0.09,
    "NO3": 30.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3255, 59.6908] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 12,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0038",
    "depth": 2.0,
    "PO4": 0.94,
    "SiOH4": 12.77,
    "NO3_NO2": 10.39,
    "NO2": 0.28,
    "NH4": 0.57,
    "NO3": 10.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3255, 59.6908] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 12,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0038",
    "depth": 9.9,
    "PO4": 1.08,
    "SiOH4": 17.7,
    "NO3_NO2": 14.17,
    "NO2": 0.28,
    "NH4": 0.11,
    "NO3": 13.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3255, 59.6908] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 12,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0038",
    "depth": 20.7,
    "PO4": 1.53,
    "SiOH4": 24.75,
    "NO3_NO2": 21.85,
    "NO2": 0.3,
    "NH4": 0.3,
    "NO3": 21.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3255, 59.6908] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 12,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0038",
    "depth": 30.9,
    "PO4": 1.46,
    "SiOH4": 23.41,
    "NO3_NO2": 20.53,
    "NO2": 0.22,
    "NH4": 0.24,
    "NO3": 20.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3255, 59.6908] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 12,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0038",
    "depth": 40.2,
    "PO4": 1.51,
    "SiOH4": 24.58,
    "NO3_NO2": 21.81,
    "NO2": 0.29,
    "NH4": 0.27,
    "NO3": 21.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3255, 59.6908] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 12,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0038",
    "depth": 49.3,
    "PO4": 1.51,
    "SiOH4": 24.61,
    "NO3_NO2": 21.89,
    "NO2": 0.28,
    "NH4": 0.27,
    "NO3": 21.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3255, 59.6908] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 12,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0038",
    "depth": 75.0,
    "PO4": 1.54,
    "SiOH4": 24.86,
    "NO3_NO2": 22.23,
    "NO2": 0.28,
    "NH4": 0.22,
    "NO3": 21.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3255, 59.6908] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 12,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0038",
    "depth": 100.0,
    "PO4": 1.55,
    "SiOH4": 24.35,
    "NO3_NO2": 22.27,
    "NO2": 0.28,
    "NH4": 0.11,
    "NO3": 21.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3255, 59.6908] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 12,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0038",
    "depth": 149.4,
    "PO4": 1.5,
    "SiOH4": 22.89,
    "NO3_NO2": 21.84,
    "NO2": 0.22,
    "NH4": 0.08,
    "NO3": 21.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3255, 59.6908] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 12,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0038",
    "depth": 200.4,
    "PO4": 1.58,
    "SiOH4": 24.03,
    "NO3_NO2": 23.76,
    "NO2": 0.2,
    "NH4": 0.05,
    "NO3": 23.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3255, 59.6908] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 12,
    "stn_id": "GAK2",
    "water_depth": 225,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0038",
    "depth": 223.3,
    "PO4": 1.91,
    "SiOH4": 32.28,
    "NO3_NO2": 30.17,
    "NO2": 0.14,
    "NH4": 0.03,
    "NO3": 30.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2576, 59.6269] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 13,
    "stn_id": "GAK21",
    "water_depth": 212,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0137",
    "depth": 2.4,
    "PO4": 1.29,
    "SiOH4": 21.96,
    "NO3_NO2": 19.24,
    "NO2": 0.21,
    "NH4": 0.08,
    "NO3": 19.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2576, 59.6269] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 13,
    "stn_id": "GAK21",
    "water_depth": 212,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0137",
    "depth": 10.6,
    "PO4": 1.33,
    "SiOH4": 21.22,
    "NO3_NO2": 19.49,
    "NO2": 0.28,
    "NH4": 0.11,
    "NO3": 19.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2576, 59.6269] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 13,
    "stn_id": "GAK21",
    "water_depth": 212,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0137",
    "depth": 19.8,
    "PO4": 1.34,
    "SiOH4": 20.84,
    "NO3_NO2": 19.58,
    "NO2": 0.3,
    "NH4": 0.14,
    "NO3": 19.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2576, 59.6269] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 13,
    "stn_id": "GAK21",
    "water_depth": 212,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0137",
    "depth": 30.7,
    "PO4": 1.38,
    "SiOH4": 20.92,
    "NO3_NO2": 19.76,
    "NO2": 0.3,
    "NH4": 0.22,
    "NO3": 19.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2576, 59.6269] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 13,
    "stn_id": "GAK21",
    "water_depth": 212,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0137",
    "depth": 40.5,
    "PO4": 1.4,
    "SiOH4": 20.57,
    "NO3_NO2": 19.9,
    "NO2": 0.29,
    "NH4": 0.19,
    "NO3": 19.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2576, 59.6269] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 13,
    "stn_id": "GAK21",
    "water_depth": 212,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0137",
    "depth": 50.2,
    "PO4": 1.39,
    "SiOH4": 20.0,
    "NO3_NO2": 20.03,
    "NO2": 0.29,
    "NH4": 0.27,
    "NO3": 19.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2576, 59.6269] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 13,
    "stn_id": "GAK21",
    "water_depth": 212,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0137",
    "depth": 99.4,
    "PO4": 1.5,
    "SiOH4": 19.73,
    "NO3_NO2": 21.64,
    "NO2": 0.28,
    "NH4": 0.22,
    "NO3": 21.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2576, 59.6269] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 13,
    "stn_id": "GAK21",
    "water_depth": 212,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0137",
    "depth": 124.4,
    "PO4": 1.57,
    "SiOH4": 20.53,
    "NO3_NO2": 22.81,
    "NO2": 0.28,
    "NH4": 0.11,
    "NO3": 22.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2576, 59.6269] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 13,
    "stn_id": "GAK21",
    "water_depth": 212,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0137",
    "depth": 151.0,
    "PO4": 1.69,
    "SiOH4": 22.8,
    "NO3_NO2": 25.28,
    "NO2": 0.25,
    "NH4": 0.08,
    "NO3": 25.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2576, 59.6269] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 13,
    "stn_id": "GAK21",
    "water_depth": 212,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0137",
    "depth": 173.6,
    "PO4": 1.84,
    "SiOH4": 25.69,
    "NO3_NO2": 27.91,
    "NO2": 0.2,
    "NH4": 0.03,
    "NO3": 27.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2576, 59.6269] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 13,
    "stn_id": "GAK21",
    "water_depth": 212,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0137",
    "depth": 211.6,
    "PO4": 1.89,
    "SiOH4": 26.88,
    "NO3_NO2": 28.97,
    "NO2": 0.15,
    "NH4": 0.08,
    "NO3": 28.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1871, 59.5525] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 14,
    "stn_id": "GAK3",
    "water_depth": 213,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0226",
    "depth": 2.6,
    "PO4": 0.99,
    "SiOH4": 12.67,
    "NO3_NO2": 11.68,
    "NO2": 0.19,
    "NH4": 0.12,
    "NO3": 11.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1871, 59.5525] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 14,
    "stn_id": "GAK3",
    "water_depth": 213,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0226",
    "depth": 10.6,
    "PO4": 0.95,
    "SiOH4": 12.94,
    "NO3_NO2": 12.09,
    "NO2": 0.25,
    "NH4": 0.08,
    "NO3": 11.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1871, 59.5525] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 14,
    "stn_id": "GAK3",
    "water_depth": 213,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0226",
    "depth": 21.2,
    "PO4": 1.47,
    "SiOH4": 21.56,
    "NO3_NO2": 21.92,
    "NO2": 0.13,
    "NH4": 0.09,
    "NO3": 21.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1871, 59.5525] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 14,
    "stn_id": "GAK3",
    "water_depth": 213,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0226",
    "depth": 31.4,
    "PO4": 1.32,
    "SiOH4": 19.26,
    "NO3_NO2": 19.1,
    "NO2": 0.14,
    "NH4": 0.12,
    "NO3": 18.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1871, 59.5525] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 14,
    "stn_id": "GAK3",
    "water_depth": 213,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0226",
    "depth": 39.9,
    "PO4": 1.46,
    "SiOH4": 21.49,
    "NO3_NO2": 21.55,
    "NO2": 0.13,
    "NH4": 0.14,
    "NO3": 21.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1871, 59.5525] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 14,
    "stn_id": "GAK3",
    "water_depth": 213,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0226",
    "depth": 50.5,
    "PO4": 1.47,
    "SiOH4": 21.5,
    "NO3_NO2": 22.11,
    "NO2": 0.07,
    "NH4": 0.12,
    "NO3": 22.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1871, 59.5525] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 14,
    "stn_id": "GAK3",
    "water_depth": 213,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0226",
    "depth": 76.1,
    "PO4": 1.54,
    "SiOH4": 22.44,
    "NO3_NO2": 23.53,
    "NO2": 0.01,
    "NH4": 0.0,
    "NO3": 23.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1871, 59.5525] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 14,
    "stn_id": "GAK3",
    "water_depth": 213,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0226",
    "depth": 98.5,
    "PO4": 1.47,
    "SiOH4": 21.21,
    "NO3_NO2": 22.71,
    "NO2": 0.01,
    "NH4": 0.04,
    "NO3": 22.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1871, 59.5525] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 14,
    "stn_id": "GAK3",
    "water_depth": 213,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0226",
    "depth": 121.2,
    "PO4": 1.49,
    "SiOH4": 21.16,
    "NO3_NO2": 22.78,
    "NO2": 0.04,
    "NH4": 0.13,
    "NO3": 22.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1871, 59.5525] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 14,
    "stn_id": "GAK3",
    "water_depth": 213,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0226",
    "depth": 152.1,
    "PO4": 1.71,
    "SiOH4": 26.8,
    "NO3_NO2": 27.3,
    "NO2": 0.01,
    "NH4": 0.06,
    "NO3": 27.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1871, 59.5525] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 14,
    "stn_id": "GAK3",
    "water_depth": 213,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0226",
    "depth": 207.8,
    "PO4": 1.81,
    "SiOH4": 29.24,
    "NO3_NO2": 29.49,
    "NO2": 0.01,
    "NH4": 0.07,
    "NO3": 29.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1159, 59.4805] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 15,
    "stn_id": "GAK3I",
    "water_depth": 201,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0322",
    "depth": 2.1,
    "PO4": 0.98,
    "SiOH4": 15.4,
    "NO3_NO2": 13.92,
    "NO2": 0.05,
    "NH4": 0.16,
    "NO3": 13.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1159, 59.4805] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 15,
    "stn_id": "GAK3I",
    "water_depth": 201,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0322",
    "depth": 9.8,
    "PO4": 1.01,
    "SiOH4": 15.74,
    "NO3_NO2": 14.55,
    "NO2": 0.06,
    "NH4": 0.15,
    "NO3": 14.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1159, 59.4805] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 15,
    "stn_id": "GAK3I",
    "water_depth": 201,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0322",
    "depth": 19.2,
    "PO4": 1.16,
    "SiOH4": 17.53,
    "NO3_NO2": 17.1,
    "NO2": 0.02,
    "NH4": 0.19,
    "NO3": 17.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1159, 59.4805] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 15,
    "stn_id": "GAK3I",
    "water_depth": 201,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0322",
    "depth": 29.8,
    "PO4": 1.34,
    "SiOH4": 19.81,
    "NO3_NO2": 19.67,
    "NO2": 0.07,
    "NH4": 0.38,
    "NO3": 19.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1159, 59.4805] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 15,
    "stn_id": "GAK3I",
    "water_depth": 201,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0322",
    "depth": 40.1,
    "PO4": 1.38,
    "SiOH4": 20.46,
    "NO3_NO2": 20.66,
    "NO2": 0.09,
    "NH4": 0.39,
    "NO3": 20.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1159, 59.4805] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 15,
    "stn_id": "GAK3I",
    "water_depth": 201,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0322",
    "depth": 50.0,
    "PO4": 1.42,
    "SiOH4": 20.44,
    "NO3_NO2": 21.29,
    "NO2": 0.07,
    "NH4": 0.14,
    "NO3": 21.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1159, 59.4805] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 15,
    "stn_id": "GAK3I",
    "water_depth": 201,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0322",
    "depth": 75.6,
    "PO4": 1.48,
    "SiOH4": 21.34,
    "NO3_NO2": 22.65,
    "NO2": 0.01,
    "NH4": 0.15,
    "NO3": 22.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1159, 59.4805] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 15,
    "stn_id": "GAK3I",
    "water_depth": 201,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0322",
    "depth": 99.7,
    "PO4": 1.56,
    "SiOH4": 22.56,
    "NO3_NO2": 23.79,
    "NO2": 0.01,
    "NH4": 0.14,
    "NO3": 23.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1159, 59.4805] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 15,
    "stn_id": "GAK3I",
    "water_depth": 201,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0322",
    "depth": 125.4,
    "PO4": 1.66,
    "SiOH4": 24.71,
    "NO3_NO2": 25.9,
    "NO2": 0.01,
    "NH4": 0.15,
    "NO3": 25.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1159, 59.4805] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 15,
    "stn_id": "GAK3I",
    "water_depth": 201,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0322",
    "depth": 149.9,
    "PO4": 1.77,
    "SiOH4": 27.27,
    "NO3_NO2": 27.59,
    "NO2": 0.01,
    "NH4": 0.03,
    "NO3": 27.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1159, 59.4805] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 15,
    "stn_id": "GAK3I",
    "water_depth": 201,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0322",
    "depth": 199.6,
    "PO4": 1.83,
    "SiOH4": 28.72,
    "NO3_NO2": 29.3,
    "NO2": 0.01,
    "NH4": 0.04,
    "NO3": 29.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0467, 59.4075] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 16,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0405",
    "depth": 2.2,
    "PO4": 1.48,
    "SiOH4": 20.44,
    "NO3_NO2": 19.13,
    "NO2": 0.22,
    "NH4": 0.18,
    "NO3": 18.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0467, 59.4075] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 16,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0405",
    "depth": 9.9,
    "PO4": 1.4,
    "SiOH4": 20.37,
    "NO3_NO2": 19.09,
    "NO2": 0.19,
    "NH4": 0.17,
    "NO3": 18.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0467, 59.4075] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 16,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0405",
    "depth": 20.0,
    "PO4": 1.38,
    "SiOH4": 20.55,
    "NO3_NO2": 19.14,
    "NO2": 0.18,
    "NH4": 0.18,
    "NO3": 18.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0467, 59.4075] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 16,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0405",
    "depth": 30.5,
    "PO4": 1.39,
    "SiOH4": 20.93,
    "NO3_NO2": 19.41,
    "NO2": 0.2,
    "NH4": 0.17,
    "NO3": 19.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0467, 59.4075] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 16,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0405",
    "depth": 39.5,
    "PO4": 1.43,
    "SiOH4": 21.62,
    "NO3_NO2": 20.1,
    "NO2": 0.16,
    "NH4": 0.16,
    "NO3": 19.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0467, 59.4075] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 16,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0405",
    "depth": 49.3,
    "PO4": 1.47,
    "SiOH4": 22.37,
    "NO3_NO2": 20.91,
    "NO2": 0.19,
    "NH4": 0.18,
    "NO3": 20.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0467, 59.4075] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 16,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0405",
    "depth": 76.2,
    "PO4": 1.47,
    "SiOH4": 21.56,
    "NO3_NO2": 21.35,
    "NO2": 0.19,
    "NH4": 0.11,
    "NO3": 21.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0467, 59.4075] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 16,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0405",
    "depth": 96.6,
    "PO4": 1.51,
    "SiOH4": 21.69,
    "NO3_NO2": 21.73,
    "NO2": 0.14,
    "NH4": 0.1,
    "NO3": 21.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0467, 59.4075] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 16,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0405",
    "depth": 125.8,
    "PO4": 1.58,
    "SiOH4": 22.29,
    "NO3_NO2": 23.18,
    "NO2": 0.14,
    "NH4": 0.09,
    "NO3": 23.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0467, 59.4075] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 16,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0405",
    "depth": 153.6,
    "PO4": 1.81,
    "SiOH4": 28.71,
    "NO3_NO2": 28.11,
    "NO2": 0.04,
    "NH4": 0.03,
    "NO3": 28.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0467, 59.4075] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 16,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0405",
    "depth": 195.1,
    "PO4": 1.88,
    "SiOH4": 30.48,
    "NO3_NO2": 29.6,
    "NO2": 0.07,
    "NH4": 0.02,
    "NO3": 29.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9771, 59.3343] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 17,
    "stn_id": "GAK4I",
    "water_depth": 196,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0459",
    "depth": 2.5,
    "PO4": 0.87,
    "SiOH4": 10.68,
    "NO3_NO2": 11.15,
    "NO2": 0.07,
    "NH4": 0.28,
    "NO3": 11.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9771, 59.3343] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 17,
    "stn_id": "GAK4I",
    "water_depth": 196,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0459",
    "depth": 10.4,
    "PO4": 1.02,
    "SiOH4": 14.58,
    "NO3_NO2": 14.2,
    "NO2": 0.02,
    "NH4": 0.29,
    "NO3": 14.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9771, 59.3343] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 17,
    "stn_id": "GAK4I",
    "water_depth": 196,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0459",
    "depth": 20.5,
    "PO4": 1.35,
    "SiOH4": 22.7,
    "NO3_NO2": 20.11,
    "NO2": 0.13,
    "NH4": 0.36,
    "NO3": 19.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9771, 59.3343] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 17,
    "stn_id": "GAK4I",
    "water_depth": 196,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0459",
    "depth": 29.8,
    "PO4": 1.43,
    "SiOH4": 23.5,
    "NO3_NO2": 21.14,
    "NO2": 0.12,
    "NH4": 0.3,
    "NO3": 21.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9771, 59.3343] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 17,
    "stn_id": "GAK4I",
    "water_depth": 196,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0459",
    "depth": 39.4,
    "PO4": 1.47,
    "SiOH4": 24.7,
    "NO3_NO2": 21.92,
    "NO2": 0.13,
    "NH4": 0.29,
    "NO3": 21.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9771, 59.3343] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 17,
    "stn_id": "GAK4I",
    "water_depth": 196,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0459",
    "depth": 51.9,
    "PO4": 1.48,
    "SiOH4": 24.17,
    "NO3_NO2": 22.21,
    "NO2": 0.15,
    "NH4": 0.17,
    "NO3": 22.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9771, 59.3343] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 17,
    "stn_id": "GAK4I",
    "water_depth": 196,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0459",
    "depth": 77.8,
    "PO4": 1.49,
    "SiOH4": 23.58,
    "NO3_NO2": 22.1,
    "NO2": 0.15,
    "NH4": 0.13,
    "NO3": 21.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9771, 59.3343] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 17,
    "stn_id": "GAK4I",
    "water_depth": 196,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0459",
    "depth": 104.2,
    "PO4": 1.47,
    "SiOH4": 22.91,
    "NO3_NO2": 21.6,
    "NO2": 0.13,
    "NH4": 0.18,
    "NO3": 21.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9771, 59.3343] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 17,
    "stn_id": "GAK4I",
    "water_depth": 196,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0459",
    "depth": 126.3,
    "PO4": 1.43,
    "SiOH4": 22.18,
    "NO3_NO2": 21.04,
    "NO2": 0.12,
    "NH4": 0.27,
    "NO3": 20.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9771, 59.3343] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 17,
    "stn_id": "GAK4I",
    "water_depth": 196,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0459",
    "depth": 149.3,
    "PO4": 1.48,
    "SiOH4": 22.88,
    "NO3_NO2": 21.95,
    "NO2": 0.15,
    "NH4": 0.24,
    "NO3": 21.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9771, 59.3343] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 17,
    "stn_id": "GAK4I",
    "water_depth": 196,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0459",
    "depth": 196.8,
    "PO4": 1.77,
    "SiOH4": 29.11,
    "NO3_NO2": 27.27,
    "NO2": 0.05,
    "NH4": 0.14,
    "NO3": 27.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9078, 59.2609] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 18,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0543",
    "depth": 2.8,
    "PO4": 1.26,
    "SiOH4": 19.18,
    "NO3_NO2": 17.58,
    "NO2": 0.15,
    "NH4": 0.21,
    "NO3": 17.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9078, 59.2609] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 18,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0543",
    "depth": 12.0,
    "PO4": 1.24,
    "SiOH4": 19.38,
    "NO3_NO2": 17.65,
    "NO2": 0.13,
    "NH4": 0.23,
    "NO3": 17.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9078, 59.2609] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 18,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0543",
    "depth": 21.5,
    "PO4": 1.25,
    "SiOH4": 20.28,
    "NO3_NO2": 18.28,
    "NO2": 0.14,
    "NH4": 0.23,
    "NO3": 18.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9078, 59.2609] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 18,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0543",
    "depth": 31.9,
    "PO4": 1.24,
    "SiOH4": 20.26,
    "NO3_NO2": 18.55,
    "NO2": 0.27,
    "NH4": 0.26,
    "NO3": 18.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9078, 59.2609] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 18,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0543",
    "depth": 42.2,
    "PO4": 1.35,
    "SiOH4": 22.11,
    "NO3_NO2": 20.28,
    "NO2": 0.14,
    "NH4": 0.38,
    "NO3": 20.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9078, 59.2609] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 18,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0543",
    "depth": 51.9,
    "PO4": 1.42,
    "SiOH4": 23.63,
    "NO3_NO2": 21.82,
    "NO2": 0.13,
    "NH4": 0.33,
    "NO3": 21.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9078, 59.2609] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 18,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0543",
    "depth": 78.2,
    "PO4": 1.4,
    "SiOH4": 21.81,
    "NO3_NO2": 21.62,
    "NO2": 0.12,
    "NH4": 0.23,
    "NO3": 21.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9078, 59.2609] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 18,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0543",
    "depth": 101.9,
    "PO4": 1.41,
    "SiOH4": 22.24,
    "NO3_NO2": 22.46,
    "NO2": 0.03,
    "NH4": 0.21,
    "NO3": 22.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9078, 59.2609] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 18,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0543",
    "depth": 127.4,
    "PO4": 1.52,
    "SiOH4": 23.98,
    "NO3_NO2": 24.33,
    "NO2": 0.01,
    "NH4": 0.18,
    "NO3": 24.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9078, 59.2609] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 18,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0543",
    "depth": 152.5,
    "PO4": 1.64,
    "SiOH4": 27.19,
    "NO3_NO2": 26.99,
    "NO2": 0.01,
    "NH4": 0.13,
    "NO3": 26.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9078, 59.2609] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 18,
    "stn_id": "GAK5",
    "water_depth": 170,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "0543",
    "depth": 166.3,
    "PO4": 1.72,
    "SiOH4": 29.62,
    "NO3_NO2": 28.87,
    "NO2": 0.01,
    "NH4": 0.15,
    "NO3": 28.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7924, 58.0992] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "GAK13",
    "water_depth": 2095,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "1839",
    "depth": 2.5,
    "PO4": 1.4,
    "SiOH4": 23.17,
    "NO3_NO2": 22.65,
    "NO2": 0.05,
    "NH4": 0.1,
    "NO3": 22.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7924, 58.0992] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "GAK13",
    "water_depth": 2095,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "1839",
    "depth": 5.9,
    "PO4": 1.41,
    "SiOH4": 23.19,
    "NO3_NO2": 22.61,
    "NO2": 0.04,
    "NH4": 0.1,
    "NO3": 22.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7924, 58.0992] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "GAK13",
    "water_depth": 2095,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "1839",
    "depth": 10.7,
    "PO4": 1.42,
    "SiOH4": 23.31,
    "NO3_NO2": 22.61,
    "NO2": 0.06,
    "NH4": 0.13,
    "NO3": 22.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7924, 58.0992] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "GAK13",
    "water_depth": 2095,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "1839",
    "depth": 18.9,
    "PO4": 1.45,
    "SiOH4": 23.39,
    "NO3_NO2": 22.85,
    "NO2": 0.08,
    "NH4": 0.13,
    "NO3": 22.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7924, 58.0992] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "GAK13",
    "water_depth": 2095,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "1839",
    "depth": 27.3,
    "PO4": 1.48,
    "SiOH4": 23.74,
    "NO3_NO2": 23.59,
    "NO2": 0.04,
    "NH4": 0.15,
    "NO3": 23.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7924, 58.0992] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "GAK13",
    "water_depth": 2095,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "1839",
    "depth": 41.6,
    "PO4": 1.62,
    "SiOH4": 26.01,
    "NO3_NO2": 25.92,
    "NO2": 0.06,
    "NH4": 0.15,
    "NO3": 25.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7955, 58.0997] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK13",
    "water_depth": 2090,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "2112",
    "depth": 2.1,
    "PO4": 1.46,
    "SiOH4": 20.66,
    "NO3_NO2": 20.29,
    "NO2": 0.25,
    "NH4": 0.16,
    "NO3": 20.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7955, 58.0997] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK13",
    "water_depth": 2090,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "2112",
    "depth": 9.7,
    "PO4": 1.45,
    "SiOH4": 21.42,
    "NO3_NO2": 21.07,
    "NO2": 0.2,
    "NH4": 0.16,
    "NO3": 20.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7955, 58.0997] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK13",
    "water_depth": 2090,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "2112",
    "depth": 19.8,
    "PO4": 1.54,
    "SiOH4": 23.68,
    "NO3_NO2": 23.44,
    "NO2": 0.23,
    "NH4": 0.19,
    "NO3": 23.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7955, 58.0997] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK13",
    "water_depth": 2090,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "2112",
    "depth": 31.6,
    "PO4": 1.58,
    "SiOH4": 24.33,
    "NO3_NO2": 24.09,
    "NO2": 0.23,
    "NH4": 0.19,
    "NO3": 23.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7955, 58.0997] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK13",
    "water_depth": 2090,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "2112",
    "depth": 50.1,
    "PO4": 1.6,
    "SiOH4": 25.14,
    "NO3_NO2": 24.78,
    "NO2": 0.25,
    "NH4": 0.16,
    "NO3": 24.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7955, 58.0997] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK13",
    "water_depth": 2090,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "2112",
    "depth": 74.9,
    "PO4": 1.75,
    "SiOH4": 28.08,
    "NO3_NO2": 28.06,
    "NO2": 0.25,
    "NH4": 0.21,
    "NO3": 27.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7955, 58.0997] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK13",
    "water_depth": 2090,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "2112",
    "depth": 103.0,
    "PO4": 1.97,
    "SiOH4": 33.73,
    "NO3_NO2": 33.17,
    "NO2": 0.05,
    "NH4": 0.13,
    "NO3": 33.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7955, 58.0997] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK13",
    "water_depth": 2090,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "2112",
    "depth": 251.8,
    "PO4": 3.16,
    "SiOH4": 71.2,
    "NO3_NO2": 56.88,
    "NO2": 0.03,
    "NH4": 0.11,
    "NO3": 56.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7955, 58.0997] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK13",
    "water_depth": 2090,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "2112",
    "depth": 498.9,
    "PO4": 3.28,
    "SiOH4": 96.32,
    "NO3_NO2": 58.54,
    "NO2": 0.03,
    "NH4": 0.13,
    "NO3": 58.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7955, 58.0997] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK13",
    "water_depth": 2090,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "2112",
    "depth": 748.5,
    "PO4": 3.31,
    "SiOH4": 110.56,
    "NO3_NO2": 58.88,
    "NO2": 0.03,
    "NH4": 0.13,
    "NO3": 58.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7955, 58.0997] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK13",
    "water_depth": 2090,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "2112",
    "depth": 998.7,
    "PO4": 3.32,
    "SiOH4": 126.56,
    "NO3_NO2": 59.19,
    "NO2": 0.03,
    "NH4": 0.08,
    "NO3": 59.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7955, 58.0997] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK13",
    "water_depth": 2090,
    "month_gmt": "05",
    "day_gmt": "05",
    "time_gmt": "2112",
    "depth": 1525.6,
    "PO4": 3.25,
    "SiOH4": 142.12,
    "NO3_NO2": 58.61,
    "NO2": 0.03,
    "NH4": 0.08,
    "NO3": 58.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9363, 58.2446] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 29,
    "stn_id": "GAK12",
    "water_depth": 2190,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "0010",
    "depth": 4.7,
    "PO4": 1.19,
    "SiOH4": 19.64,
    "NO3_NO2": 18.94,
    "NO2": 0.23,
    "NH4": 0.08,
    "NO3": 18.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9363, 58.2446] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 29,
    "stn_id": "GAK12",
    "water_depth": 2190,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "0010",
    "depth": 9.9,
    "PO4": 1.19,
    "SiOH4": 19.84,
    "NO3_NO2": 18.93,
    "NO2": 0.23,
    "NH4": 0.03,
    "NO3": 18.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9363, 58.2446] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 29,
    "stn_id": "GAK12",
    "water_depth": 2190,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "0010",
    "depth": 20.7,
    "PO4": 1.2,
    "SiOH4": 19.97,
    "NO3_NO2": 19.19,
    "NO2": 0.2,
    "NH4": 0.03,
    "NO3": 18.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9363, 58.2446] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 29,
    "stn_id": "GAK12",
    "water_depth": 2190,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "0010",
    "depth": 29.3,
    "PO4": 1.21,
    "SiOH4": 19.88,
    "NO3_NO2": 19.2,
    "NO2": 0.2,
    "NH4": 0.03,
    "NO3": 19.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9363, 58.2446] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 29,
    "stn_id": "GAK12",
    "water_depth": 2190,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "0010",
    "depth": 51.4,
    "PO4": 1.32,
    "SiOH4": 21.6,
    "NO3_NO2": 21.52,
    "NO2": 0.18,
    "NH4": 0.03,
    "NO3": 21.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9363, 58.2446] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 29,
    "stn_id": "GAK12",
    "water_depth": 2190,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "0010",
    "depth": 73.2,
    "PO4": 1.58,
    "SiOH4": 26.55,
    "NO3_NO2": 27.92,
    "NO2": 0.2,
    "NH4": 0.03,
    "NO3": 27.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9363, 58.2446] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 29,
    "stn_id": "GAK12",
    "water_depth": 2190,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "0010",
    "depth": 99.4,
    "PO4": 2.05,
    "SiOH4": 39.85,
    "NO3_NO2": 37.31,
    "NO2": 0.05,
    "NH4": 0.03,
    "NO3": 37.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9363, 58.2446] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 29,
    "stn_id": "GAK12",
    "water_depth": 2190,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "0010",
    "depth": 251.6,
    "PO4": 2.91,
    "SiOH4": 72.08,
    "NO3_NO2": 54.93,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 54.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9363, 58.2446] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 29,
    "stn_id": "GAK12",
    "water_depth": 2190,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "0010",
    "depth": 501.2,
    "PO4": 3.11,
    "SiOH4": 98.72,
    "NO3_NO2": 58.05,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 58.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9363, 58.2446] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 29,
    "stn_id": "GAK12",
    "water_depth": 2190,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "0010",
    "depth": 749.2,
    "PO4": 3.16,
    "SiOH4": 112.12,
    "NO3_NO2": 58.71,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 58.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9363, 58.2446] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 29,
    "stn_id": "GAK12",
    "water_depth": 2190,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "0010",
    "depth": 1000.0,
    "PO4": 3.31,
    "SiOH4": 126.96,
    "NO3_NO2": 59.01,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 58.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9363, 58.2446] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 29,
    "stn_id": "GAK12",
    "water_depth": 2190,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "0010",
    "depth": 1498.1,
    "PO4": 3.26,
    "SiOH4": 144.08,
    "NO3_NO2": 58.37,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 58.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3497, 58.68] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 30,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1516",
    "depth": 2.8,
    "PO4": 1.36,
    "SiOH4": 17.47,
    "NO3_NO2": 18.25,
    "NO2": 0.25,
    "NH4": 0.15,
    "NO3": 18.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3497, 58.68] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 30,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1516",
    "depth": 10.0,
    "PO4": 1.31,
    "SiOH4": 17.07,
    "NO3_NO2": 18.24,
    "NO2": 0.3,
    "NH4": 0.17,
    "NO3": 17.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3497, 58.68] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 30,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1516",
    "depth": 17.6,
    "PO4": 1.31,
    "SiOH4": 17.51,
    "NO3_NO2": 18.23,
    "NO2": 0.25,
    "NH4": 0.17,
    "NO3": 17.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3497, 58.68] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 30,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1516",
    "depth": 29.4,
    "PO4": 1.29,
    "SiOH4": 17.9,
    "NO3_NO2": 18.5,
    "NO2": 0.28,
    "NH4": 0.15,
    "NO3": 18.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3497, 58.68] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 30,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1516",
    "depth": 42.7,
    "PO4": 1.29,
    "SiOH4": 18.2,
    "NO3_NO2": 18.72,
    "NO2": 0.25,
    "NH4": 0.15,
    "NO3": 18.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3497, 58.68] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 30,
    "stn_id": "GAK9",
    "water_depth": 277,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1516",
    "depth": 62.6,
    "PO4": 1.34,
    "SiOH4": 18.89,
    "NO3_NO2": 19.46,
    "NO2": 0.3,
    "NH4": 0.15,
    "NO3": 19.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3507, 58.6786] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 31,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1539",
    "depth": 6.1,
    "PO4": 1.22,
    "SiOH4": 18.5,
    "NO3_NO2": 18.25,
    "NO2": 0.28,
    "NH4": 0.12,
    "NO3": 17.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3507, 58.6786] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 31,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1539",
    "depth": 12.1,
    "PO4": 1.26,
    "SiOH4": 18.69,
    "NO3_NO2": 18.26,
    "NO2": 0.2,
    "NH4": 0.1,
    "NO3": 18.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3507, 58.6786] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 31,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1539",
    "depth": 20.9,
    "PO4": 1.27,
    "SiOH4": 18.91,
    "NO3_NO2": 18.41,
    "NO2": 0.23,
    "NH4": 0.12,
    "NO3": 18.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3507, 58.6786] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 31,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1539",
    "depth": 30.8,
    "PO4": 1.27,
    "SiOH4": 18.58,
    "NO3_NO2": 18.48,
    "NO2": 0.23,
    "NH4": 0.12,
    "NO3": 18.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3507, 58.6786] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 31,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1539",
    "depth": 39.6,
    "PO4": 1.31,
    "SiOH4": 18.82,
    "NO3_NO2": 18.94,
    "NO2": 0.25,
    "NH4": 0.1,
    "NO3": 18.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3507, 58.6786] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 31,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1539",
    "depth": 52.5,
    "PO4": 1.33,
    "SiOH4": 18.91,
    "NO3_NO2": 19.28,
    "NO2": 0.25,
    "NH4": 0.17,
    "NO3": 19.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3507, 58.6786] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 31,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1539",
    "depth": 72.9,
    "PO4": 1.41,
    "SiOH4": 20.09,
    "NO3_NO2": 21.72,
    "NO2": 0.3,
    "NH4": 0.2,
    "NO3": 21.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3507, 58.6786] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 31,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1539",
    "depth": 98.9,
    "PO4": 1.35,
    "SiOH4": 19.41,
    "NO3_NO2": 19.58,
    "NO2": 0.35,
    "NH4": 0.22,
    "NO3": 19.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3507, 58.6786] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 31,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1539",
    "depth": 150.0,
    "PO4": 2.36,
    "SiOH4": 45.42,
    "NO3_NO2": 41.63,
    "NO2": 0.08,
    "NH4": 0.12,
    "NO3": 41.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3507, 58.6786] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 31,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1539",
    "depth": 204.1,
    "PO4": 2.59,
    "SiOH4": 54.01,
    "NO3_NO2": 45.76,
    "NO2": 0.08,
    "NH4": 0.12,
    "NO3": 45.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3507, 58.6786] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 31,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1539",
    "depth": 246.7,
    "PO4": 2.8,
    "SiOH4": 62.82,
    "NO3_NO2": 49.78,
    "NO2": 0.08,
    "NH4": 0.2,
    "NO3": 49.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3507, 58.6786] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 31,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1539",
    "depth": 273.8,
    "PO4": 2.86,
    "SiOH4": 66.74,
    "NO3_NO2": 50.41,
    "NO2": 0.08,
    "NH4": 0.2,
    "NO3": 50.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5653, 58.8811] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 36,
    "stn_id": "GAK7I",
    "water_depth": 298,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1848",
    "depth": 3.2,
    "PO4": 1.3,
    "SiOH4": 19.23,
    "NO3_NO2": 16.31,
    "NO2": 0.09,
    "NH4": 0.08,
    "NO3": 16.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5653, 58.8811] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 36,
    "stn_id": "GAK7I",
    "water_depth": 298,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1848",
    "depth": 11.6,
    "PO4": 1.25,
    "SiOH4": 19.45,
    "NO3_NO2": 16.42,
    "NO2": 0.13,
    "NH4": 0.1,
    "NO3": 16.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5653, 58.8811] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 36,
    "stn_id": "GAK7I",
    "water_depth": 298,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1848",
    "depth": 21.8,
    "PO4": 1.26,
    "SiOH4": 19.54,
    "NO3_NO2": 16.29,
    "NO2": 0.11,
    "NH4": 0.08,
    "NO3": 16.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5653, 58.8811] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 36,
    "stn_id": "GAK7I",
    "water_depth": 298,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1848",
    "depth": 32.0,
    "PO4": 1.26,
    "SiOH4": 19.35,
    "NO3_NO2": 16.51,
    "NO2": 0.07,
    "NH4": 0.08,
    "NO3": 16.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5653, 58.8811] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 36,
    "stn_id": "GAK7I",
    "water_depth": 298,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1848",
    "depth": 43.2,
    "PO4": 1.24,
    "SiOH4": 19.44,
    "NO3_NO2": 16.7,
    "NO2": 0.12,
    "NH4": 0.1,
    "NO3": 16.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5653, 58.8811] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 36,
    "stn_id": "GAK7I",
    "water_depth": 298,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1848",
    "depth": 52.6,
    "PO4": 1.29,
    "SiOH4": 19.97,
    "NO3_NO2": 17.9,
    "NO2": 0.15,
    "NH4": 0.1,
    "NO3": 17.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5653, 58.8811] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 36,
    "stn_id": "GAK7I",
    "water_depth": 298,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1848",
    "depth": 73.3,
    "PO4": 1.39,
    "SiOH4": 20.82,
    "NO3_NO2": 20.27,
    "NO2": 0.2,
    "NH4": 0.08,
    "NO3": 20.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5653, 58.8811] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 36,
    "stn_id": "GAK7I",
    "water_depth": 298,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1848",
    "depth": 100.9,
    "PO4": 1.58,
    "SiOH4": 24.04,
    "NO3_NO2": 23.93,
    "NO2": 0.11,
    "NH4": 0.05,
    "NO3": 23.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5653, 58.8811] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 36,
    "stn_id": "GAK7I",
    "water_depth": 298,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1848",
    "depth": 150.3,
    "PO4": 2.2,
    "SiOH4": 40.76,
    "NO3_NO2": 36.65,
    "NO2": 0.05,
    "NH4": 0.08,
    "NO3": 36.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5653, 58.8811] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 36,
    "stn_id": "GAK7I",
    "water_depth": 298,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1848",
    "depth": 199.6,
    "PO4": 2.37,
    "SiOH4": 46.98,
    "NO3_NO2": 40.2,
    "NO2": 0.01,
    "NH4": 0.08,
    "NO3": 40.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5653, 58.8811] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 36,
    "stn_id": "GAK7I",
    "water_depth": 298,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1848",
    "depth": 245.3,
    "PO4": 2.65,
    "SiOH4": 57.8,
    "NO3_NO2": 45.85,
    "NO2": 0.01,
    "NH4": 0.08,
    "NO3": 45.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5653, 58.8811] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 36,
    "stn_id": "GAK7I",
    "water_depth": 298,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1848",
    "depth": 286.6,
    "PO4": 2.82,
    "SiOH4": 66.9,
    "NO3_NO2": 48.31,
    "NO2": 0.01,
    "NH4": 0.08,
    "NO3": 48.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4915, 58.7921] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 37,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1952",
    "depth": 1.7,
    "PO4": 1.15,
    "SiOH4": 19.93,
    "NO3_NO2": 16.11,
    "NO2": 0.12,
    "NH4": 0.03,
    "NO3": 15.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4915, 58.7921] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 37,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1952",
    "depth": 10.4,
    "PO4": 1.18,
    "SiOH4": 19.95,
    "NO3_NO2": 16.32,
    "NO2": 0.15,
    "NH4": 0.03,
    "NO3": 16.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4915, 58.7921] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 37,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1952",
    "depth": 20.4,
    "PO4": 1.15,
    "SiOH4": 20.04,
    "NO3_NO2": 16.17,
    "NO2": 0.16,
    "NH4": 0.03,
    "NO3": 16.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4915, 58.7921] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 37,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1952",
    "depth": 29.8,
    "PO4": 1.21,
    "SiOH4": 20.0,
    "NO3_NO2": 16.07,
    "NO2": 0.14,
    "NH4": 0.03,
    "NO3": 15.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4915, 58.7921] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 37,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1952",
    "depth": 37.9,
    "PO4": 1.19,
    "SiOH4": 19.94,
    "NO3_NO2": 16.64,
    "NO2": 0.12,
    "NH4": 0.03,
    "NO3": 16.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4915, 58.7921] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 37,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1952",
    "depth": 49.7,
    "PO4": 1.24,
    "SiOH4": 20.02,
    "NO3_NO2": 17.16,
    "NO2": 0.13,
    "NH4": 0.03,
    "NO3": 17.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4915, 58.7921] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 37,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1952",
    "depth": 75.0,
    "PO4": 1.3,
    "SiOH4": 20.3,
    "NO3_NO2": 18.34,
    "NO2": 0.19,
    "NH4": 0.13,
    "NO3": 18.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4915, 58.7921] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 37,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1952",
    "depth": 101.9,
    "PO4": 1.45,
    "SiOH4": 21.59,
    "NO3_NO2": 21.4,
    "NO2": 0.15,
    "NH4": 0.08,
    "NO3": 21.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4915, 58.7921] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 37,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1952",
    "depth": 149.4,
    "PO4": 2.06,
    "SiOH4": 37.45,
    "NO3_NO2": 34.23,
    "NO2": 0.02,
    "NH4": 0.05,
    "NO3": 34.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4915, 58.7921] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 37,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1952",
    "depth": 199.3,
    "PO4": 2.54,
    "SiOH4": 50.8,
    "NO3_NO2": 43.82,
    "NO2": 0.01,
    "NH4": 0.03,
    "NO3": 43.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4915, 58.7921] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 37,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1952",
    "depth": 253.8,
    "PO4": 2.86,
    "SiOH4": 68.7,
    "NO3_NO2": 49.42,
    "NO2": 0.01,
    "NH4": 0.21,
    "NO3": 49.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4915, 58.7921] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 37,
    "stn_id": "GAK8",
    "water_depth": 292,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "1952",
    "depth": 287.6,
    "PO4": 2.92,
    "SiOH4": 72.54,
    "NO3_NO2": 49.84,
    "NO2": 0.01,
    "NH4": 0.21,
    "NO3": 49.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4225, 58.7445] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "GAK8I",
    "water_depth": 294,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "2052",
    "depth": 3.3,
    "PO4": 1.48,
    "SiOH4": 16.25,
    "NO3_NO2": 17.01,
    "NO2": 0.07,
    "NH4": 0.16,
    "NO3": 16.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4225, 58.7445] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "GAK8I",
    "water_depth": 294,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "2052",
    "depth": 11.3,
    "PO4": 1.44,
    "SiOH4": 16.88,
    "NO3_NO2": 16.99,
    "NO2": 0.08,
    "NH4": 0.08,
    "NO3": 16.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4225, 58.7445] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "GAK8I",
    "water_depth": 294,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "2052",
    "depth": 18.7,
    "PO4": 1.41,
    "SiOH4": 17.2,
    "NO3_NO2": 17.01,
    "NO2": 0.1,
    "NH4": 0.08,
    "NO3": 16.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4225, 58.7445] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "GAK8I",
    "water_depth": 294,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "2052",
    "depth": 28.6,
    "PO4": 1.4,
    "SiOH4": 17.47,
    "NO3_NO2": 17.15,
    "NO2": 0.1,
    "NH4": 0.08,
    "NO3": 17.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4225, 58.7445] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "GAK8I",
    "water_depth": 294,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "2052",
    "depth": 39.6,
    "PO4": 1.38,
    "SiOH4": 17.71,
    "NO3_NO2": 17.3,
    "NO2": 0.15,
    "NH4": 0.08,
    "NO3": 17.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4225, 58.7445] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "GAK8I",
    "water_depth": 294,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "2052",
    "depth": 49.8,
    "PO4": 1.38,
    "SiOH4": 18.0,
    "NO3_NO2": 17.46,
    "NO2": 0.22,
    "NH4": 0.11,
    "NO3": 17.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4225, 58.7445] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "GAK8I",
    "water_depth": 294,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "2052",
    "depth": 75.1,
    "PO4": 1.53,
    "SiOH4": 20.14,
    "NO3_NO2": null,
    "NO2": 0.23,
    "NH4": 0.3,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4225, 58.7445] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "GAK8I",
    "water_depth": 294,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "2052",
    "depth": 151.1,
    "PO4": 2.57,
    "SiOH4": 43.71,
    "NO3_NO2": null,
    "NO2": null,
    "NH4": 0.08,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4225, 58.7445] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "GAK8I",
    "water_depth": 294,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "2052",
    "depth": 200.2,
    "PO4": 2.77,
    "SiOH4": 50.29,
    "NO3_NO2": null,
    "NO2": null,
    "NH4": 0.05,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4225, 58.7445] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "GAK8I",
    "water_depth": 294,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "2052",
    "depth": 239.7,
    "PO4": 2.98,
    "SiOH4": 74.3,
    "NO3_NO2": null,
    "NO2": null,
    "NH4": 0.11,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4225, 58.7445] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "GAK8I",
    "water_depth": 294,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "2052",
    "depth": 286.8,
    "PO4": 3.12,
    "SiOH4": null,
    "NO3_NO2": 50.17,
    "NO2": null,
    "NH4": 0.08,
    "NO3": 50.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2809, 58.6121] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 39,
    "stn_id": "GAK9I",
    "water_depth": 675,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "2222",
    "depth": 2.7,
    "PO4": 1.32,
    "SiOH4": 19.37,
    "NO3_NO2": 17.38,
    "NO2": 0.0,
    "NH4": 0.05,
    "NO3": 17.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2809, 58.6121] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 39,
    "stn_id": "GAK9I",
    "water_depth": 675,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "2222",
    "depth": 11.2,
    "PO4": 1.33,
    "SiOH4": 19.55,
    "NO3_NO2": 17.38,
    "NO2": 0.42,
    "NH4": 0.05,
    "NO3": 16.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2809, 58.6121] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 39,
    "stn_id": "GAK9I",
    "water_depth": 675,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "2222",
    "depth": 19.6,
    "PO4": 1.35,
    "SiOH4": 19.65,
    "NO3_NO2": 17.43,
    "NO2": 0.13,
    "NH4": 0.03,
    "NO3": 17.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2809, 58.6121] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 39,
    "stn_id": "GAK9I",
    "water_depth": 675,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "2222",
    "depth": 30.5,
    "PO4": 1.37,
    "SiOH4": 19.83,
    "NO3_NO2": 17.58,
    "NO2": 0.11,
    "NH4": 0.03,
    "NO3": 17.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2809, 58.6121] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 39,
    "stn_id": "GAK9I",
    "water_depth": 675,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "2222",
    "depth": 50.5,
    "PO4": 1.35,
    "SiOH4": 19.91,
    "NO3_NO2": 17.9,
    "NO2": 0.15,
    "NH4": 0.05,
    "NO3": 17.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2809, 58.6121] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 39,
    "stn_id": "GAK9I",
    "water_depth": 675,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "2222",
    "depth": 77.4,
    "PO4": 1.39,
    "SiOH4": 20.43,
    "NO3_NO2": 18.54,
    "NO2": 0.17,
    "NH4": 0.05,
    "NO3": 18.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2809, 58.6121] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 39,
    "stn_id": "GAK9I",
    "water_depth": 675,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "2222",
    "depth": 105.4,
    "PO4": 1.64,
    "SiOH4": 23.9,
    "NO3_NO2": 23.31,
    "NO2": 0.0,
    "NH4": 0.03,
    "NO3": 23.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2809, 58.6121] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 39,
    "stn_id": "GAK9I",
    "water_depth": 675,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "2222",
    "depth": 127.4,
    "PO4": 2.28,
    "SiOH4": 40.56,
    "NO3_NO2": 36.51,
    "NO2": 0.0,
    "NH4": 0.03,
    "NO3": 36.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2809, 58.6121] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 39,
    "stn_id": "GAK9I",
    "water_depth": 675,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "2222",
    "depth": 147.1,
    "PO4": 2.62,
    "SiOH4": 49.6,
    "NO3_NO2": 42.5,
    "NO2": 0.0,
    "NH4": 0.03,
    "NO3": 42.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2809, 58.6121] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 39,
    "stn_id": "GAK9I",
    "water_depth": 675,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "2222",
    "depth": 252.1,
    "PO4": 3.02,
    "SiOH4": 52.18,
    "NO3_NO2": 49.6,
    "NO2": 0.0,
    "NH4": 0.03,
    "NO3": 49.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2809, 58.6121] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 39,
    "stn_id": "GAK9I",
    "water_depth": 675,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "2222",
    "depth": 630.1,
    "PO4": 3.41,
    "SiOH4": 102.06,
    "NO3_NO2": 55.14,
    "NO2": 0.0,
    "NH4": 0.03,
    "NO3": 55.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2129, 58.5428] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK10",
    "water_depth": 1465,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "2340",
    "depth": 2.2,
    "PO4": 1.47,
    "SiOH4": 19.57,
    "NO3_NO2": 17.53,
    "NO2": 0.21,
    "NH4": 0.23,
    "NO3": 17.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2129, 58.5428] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK10",
    "water_depth": 1465,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "2340",
    "depth": 11.7,
    "PO4": 1.41,
    "SiOH4": 19.4,
    "NO3_NO2": 17.5,
    "NO2": 0.19,
    "NH4": 0.18,
    "NO3": 17.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2129, 58.5428] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK10",
    "water_depth": 1465,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "2340",
    "depth": 21.0,
    "PO4": 1.4,
    "SiOH4": 19.56,
    "NO3_NO2": 16.5,
    "NO2": 0.15,
    "NH4": 0.07,
    "NO3": 16.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2129, 58.5428] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK10",
    "water_depth": 1465,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "2340",
    "depth": 30.0,
    "PO4": 1.39,
    "SiOH4": 19.5,
    "NO3_NO2": 17.4,
    "NO2": 0.19,
    "NH4": 0.16,
    "NO3": 17.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2129, 58.5428] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK10",
    "water_depth": 1465,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "2340",
    "depth": 49.4,
    "PO4": 1.39,
    "SiOH4": 19.53,
    "NO3_NO2": 17.94,
    "NO2": 0.22,
    "NH4": 0.19,
    "NO3": 17.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2129, 58.5428] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK10",
    "water_depth": 1465,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "2340",
    "depth": 77.8,
    "PO4": 1.6,
    "SiOH4": 22.03,
    "NO3_NO2": 22.61,
    "NO2": 0.14,
    "NH4": 0.17,
    "NO3": 22.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2129, 58.5428] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK10",
    "water_depth": 1465,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "2340",
    "depth": 103.5,
    "PO4": 1.93,
    "SiOH4": 29.27,
    "NO3_NO2": 29.02,
    "NO2": 0.06,
    "NH4": 0.12,
    "NO3": 28.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2129, 58.5428] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK10",
    "water_depth": 1465,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "2340",
    "depth": 148.7,
    "PO4": 2.53,
    "SiOH4": 44.37,
    "NO3_NO2": 40.63,
    "NO2": 0.01,
    "NH4": 0.1,
    "NO3": 40.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2129, 58.5428] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK10",
    "water_depth": 1465,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "2340",
    "depth": 253.2,
    "PO4": 3.08,
    "SiOH4": 67.31,
    "NO3_NO2": 50.47,
    "NO2": 0.01,
    "NH4": 0.13,
    "NO3": 50.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2129, 58.5428] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK10",
    "water_depth": 1465,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "2340",
    "depth": 507.5,
    "PO4": 3.47,
    "SiOH4": 95.83,
    "NO3_NO2": 55.87,
    "NO2": 0.01,
    "NH4": 0.14,
    "NO3": 55.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2129, 58.5428] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK10",
    "water_depth": 1465,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "2340",
    "depth": 999.7,
    "PO4": 3.56,
    "SiOH4": 129.79,
    "NO3_NO2": 57.23,
    "NO2": 0.01,
    "NH4": 0.06,
    "NO3": 57.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2129, 58.5428] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 40,
    "stn_id": "GAK10",
    "water_depth": 1465,
    "month_gmt": "05",
    "day_gmt": "06",
    "time_gmt": "2340",
    "depth": 1413.1,
    "PO4": 3.55,
    "SiOH4": 150.99,
    "NO3_NO2": 57.29,
    "NO2": 0.03,
    "NH4": 0.09,
    "NO3": 57.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.074, 58.3887] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "GAK11",
    "water_depth": 1428,
    "month_gmt": "05",
    "day_gmt": "07",
    "time_gmt": "0242",
    "depth": 3.1,
    "PO4": 1.34,
    "SiOH4": 19.74,
    "NO3_NO2": 18.13,
    "NO2": 0.21,
    "NH4": 0.46,
    "NO3": 17.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.074, 58.3887] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "GAK11",
    "water_depth": 1428,
    "month_gmt": "05",
    "day_gmt": "07",
    "time_gmt": "0242",
    "depth": 10.3,
    "PO4": 1.34,
    "SiOH4": 19.93,
    "NO3_NO2": 18.09,
    "NO2": 0.23,
    "NH4": 0.05,
    "NO3": 17.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.074, 58.3887] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "GAK11",
    "water_depth": 1428,
    "month_gmt": "05",
    "day_gmt": "07",
    "time_gmt": "0242",
    "depth": 19.1,
    "PO4": 1.34,
    "SiOH4": 20.14,
    "NO3_NO2": 18.07,
    "NO2": 0.24,
    "NH4": 0.03,
    "NO3": 17.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.074, 58.3887] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "GAK11",
    "water_depth": 1428,
    "month_gmt": "05",
    "day_gmt": "07",
    "time_gmt": "0242",
    "depth": 31.1,
    "PO4": 1.34,
    "SiOH4": 19.89,
    "NO3_NO2": 18.14,
    "NO2": 0.25,
    "NH4": 0.03,
    "NO3": 17.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.074, 58.3887] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "GAK11",
    "water_depth": 1428,
    "month_gmt": "05",
    "day_gmt": "07",
    "time_gmt": "0242",
    "depth": 50.3,
    "PO4": 1.36,
    "SiOH4": 20.03,
    "NO3_NO2": 18.27,
    "NO2": 0.19,
    "NH4": 0.01,
    "NO3": 18.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.074, 58.3887] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "GAK11",
    "water_depth": 1428,
    "month_gmt": "05",
    "day_gmt": "07",
    "time_gmt": "0242",
    "depth": 75.7,
    "PO4": 1.52,
    "SiOH4": 22.0,
    "NO3_NO2": 21.98,
    "NO2": 0.29,
    "NH4": 0.1,
    "NO3": 21.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.074, 58.3887] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "GAK11",
    "water_depth": 1428,
    "month_gmt": "05",
    "day_gmt": "07",
    "time_gmt": "0242",
    "depth": 102.0,
    "PO4": 2.02,
    "SiOH4": 33.59,
    "NO3_NO2": 32.24,
    "NO2": 0.01,
    "NH4": 0.08,
    "NO3": 32.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.074, 58.3887] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "GAK11",
    "water_depth": 1428,
    "month_gmt": "05",
    "day_gmt": "07",
    "time_gmt": "0242",
    "depth": 150.7,
    "PO4": 2.52,
    "SiOH4": 47.08,
    "NO3_NO2": 42.2,
    "NO2": 0.01,
    "NH4": 0.0,
    "NO3": 42.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.074, 58.3887] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "GAK11",
    "water_depth": 1428,
    "month_gmt": "05",
    "day_gmt": "07",
    "time_gmt": "0242",
    "depth": 249.7,
    "PO4": 3.02,
    "SiOH4": 68.55,
    "NO3_NO2": 50.24,
    "NO2": 0.01,
    "NH4": 0.01,
    "NO3": 50.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.074, 58.3887] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "GAK11",
    "water_depth": 1428,
    "month_gmt": "05",
    "day_gmt": "07",
    "time_gmt": "0242",
    "depth": 502.2,
    "PO4": 3.39,
    "SiOH4": 96.75,
    "NO3_NO2": 55.47,
    "NO2": 0.01,
    "NH4": 0.01,
    "NO3": 55.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.074, 58.3887] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "GAK11",
    "water_depth": 1428,
    "month_gmt": "05",
    "day_gmt": "07",
    "time_gmt": "0242",
    "depth": 1003.6,
    "PO4": 3.54,
    "SiOH4": 136.75,
    "NO3_NO2": 57.22,
    "NO2": 0.01,
    "NH4": 0.02,
    "NO3": 57.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.074, 58.3887] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "GAK11",
    "water_depth": 1428,
    "month_gmt": "05",
    "day_gmt": "07",
    "time_gmt": "0242",
    "depth": 1411.6,
    "PO4": 3.51,
    "SiOH4": 149.47,
    "NO3_NO2": 57.27,
    "NO2": 0.01,
    "NH4": 0.08,
    "NO3": 57.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0485, 59.4086] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 42,
    "stn_id": "GAK4",
    "water_depth": 204,
    "month_gmt": "05",
    "day_gmt": "07",
    "time_gmt": "1636",
    "depth": 4.0,
    "PO4": 1.29,
    "SiOH4": 16.57,
    "NO3_NO2": 14.02,
    "NO2": 0.21,
    "NH4": 0.24,
    "NO3": 13.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0485, 59.4086] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 42,
    "stn_id": "GAK4",
    "water_depth": 204,
    "month_gmt": "05",
    "day_gmt": "07",
    "time_gmt": "1636",
    "depth": 5.5,
    "PO4": 1.21,
    "SiOH4": 16.6,
    "NO3_NO2": 13.98,
    "NO2": 0.16,
    "NH4": 0.23,
    "NO3": 13.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0485, 59.4086] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 42,
    "stn_id": "GAK4",
    "water_depth": 204,
    "month_gmt": "05",
    "day_gmt": "07",
    "time_gmt": "1636",
    "depth": 9.4,
    "PO4": 1.21,
    "SiOH4": 16.51,
    "NO3_NO2": 14.22,
    "NO2": 0.24,
    "NH4": 0.2,
    "NO3": 13.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0485, 59.4086] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 42,
    "stn_id": "GAK4",
    "water_depth": 204,
    "month_gmt": "05",
    "day_gmt": "07",
    "time_gmt": "1636",
    "depth": 15.0,
    "PO4": 1.17,
    "SiOH4": 16.45,
    "NO3_NO2": 13.98,
    "NO2": 0.17,
    "NH4": 0.21,
    "NO3": 13.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0485, 59.4086] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 42,
    "stn_id": "GAK4",
    "water_depth": 204,
    "month_gmt": "05",
    "day_gmt": "07",
    "time_gmt": "1636",
    "depth": 19.2,
    "PO4": 1.24,
    "SiOH4": 18.46,
    "NO3_NO2": 15.28,
    "NO2": 0.17,
    "NH4": 0.25,
    "NO3": 15.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0485, 59.4086] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 42,
    "stn_id": "GAK4",
    "water_depth": 204,
    "month_gmt": "05",
    "day_gmt": "07",
    "time_gmt": "1636",
    "depth": 30.2,
    "PO4": 1.43,
    "SiOH4": 21.85,
    "NO3_NO2": 18.68,
    "NO2": 0.16,
    "NH4": 0.21,
    "NO3": 18.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8683, 59.4502] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 50,
    "stn_id": "CF15",
    "water_depth": 185,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1441",
    "depth": 3.8,
    "PO4": 1.29,
    "SiOH4": 21.62,
    "NO3_NO2": 17.17,
    "NO2": 0.15,
    "NH4": 0.05,
    "NO3": 17.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8683, 59.4502] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 50,
    "stn_id": "CF15",
    "water_depth": 185,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1441",
    "depth": 10.3,
    "PO4": 1.32,
    "SiOH4": 21.5,
    "NO3_NO2": 17.41,
    "NO2": 0.2,
    "NH4": 0.01,
    "NO3": 17.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8683, 59.4502] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 50,
    "stn_id": "CF15",
    "water_depth": 185,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1441",
    "depth": 21.3,
    "PO4": 1.37,
    "SiOH4": 21.18,
    "NO3_NO2": 17.95,
    "NO2": 0.23,
    "NH4": 0.04,
    "NO3": 17.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8683, 59.4502] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 50,
    "stn_id": "CF15",
    "water_depth": 185,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1441",
    "depth": 32.5,
    "PO4": 1.48,
    "SiOH4": 22.51,
    "NO3_NO2": 19.92,
    "NO2": 0.3,
    "NH4": 0.1,
    "NO3": 19.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8683, 59.4502] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 50,
    "stn_id": "CF15",
    "water_depth": 185,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1441",
    "depth": 42.1,
    "PO4": 1.5,
    "SiOH4": 22.32,
    "NO3_NO2": 20.38,
    "NO2": 0.28,
    "NH4": 0.06,
    "NO3": 20.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8683, 59.4502] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 50,
    "stn_id": "CF15",
    "water_depth": 185,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1441",
    "depth": 50.1,
    "PO4": 1.5,
    "SiOH4": 21.66,
    "NO3_NO2": 20.34,
    "NO2": 0.27,
    "NH4": 0.01,
    "NO3": 20.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8683, 59.4502] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 50,
    "stn_id": "CF15",
    "water_depth": 185,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1441",
    "depth": 73.5,
    "PO4": 1.53,
    "SiOH4": 21.98,
    "NO3_NO2": 20.36,
    "NO2": 0.18,
    "NH4": 0.01,
    "NO3": 20.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8683, 59.4502] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 50,
    "stn_id": "CF15",
    "water_depth": 185,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1441",
    "depth": 98.3,
    "PO4": 1.65,
    "SiOH4": 24.26,
    "NO3_NO2": 22.71,
    "NO2": 0.08,
    "NH4": 0.01,
    "NO3": 22.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8683, 59.4502] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 50,
    "stn_id": "CF15",
    "water_depth": 185,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1441",
    "depth": 124.5,
    "PO4": 1.71,
    "SiOH4": 25.05,
    "NO3_NO2": 23.67,
    "NO2": 0.17,
    "NH4": 0.01,
    "NO3": 23.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8683, 59.4502] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 50,
    "stn_id": "CF15",
    "water_depth": 185,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1441",
    "depth": 150.8,
    "PO4": 1.78,
    "SiOH4": 26.62,
    "NO3_NO2": 25.18,
    "NO2": 0.14,
    "NH4": 0.01,
    "NO3": 25.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8683, 59.4502] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 50,
    "stn_id": "CF15",
    "water_depth": 185,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1441",
    "depth": 182.7,
    "PO4": 1.89,
    "SiOH4": null,
    "NO3_NO2": 27.01,
    "NO2": 0.14,
    "NH4": 0.1,
    "NO3": 26.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.5155] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "CF13",
    "water_depth": 170,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1524",
    "depth": 3.6,
    "PO4": 1.2,
    "SiOH4": 12.34,
    "NO3_NO2": 13.03,
    "NO2": 0.2,
    "NH4": 0.21,
    "NO3": 12.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.5155] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "CF13",
    "water_depth": 170,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1524",
    "depth": 12.1,
    "PO4": 1.41,
    "SiOH4": 17.5,
    "NO3_NO2": 17.66,
    "NO2": 0.15,
    "NH4": 0.28,
    "NO3": 17.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.5155] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "CF13",
    "water_depth": 170,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1524",
    "depth": 22.0,
    "PO4": 1.46,
    "SiOH4": 19.14,
    "NO3_NO2": 18.64,
    "NO2": 0.36,
    "NH4": 0.18,
    "NO3": 18.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.5155] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "CF13",
    "water_depth": 170,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1524",
    "depth": 32.9,
    "PO4": 1.5,
    "SiOH4": 19.37,
    "NO3_NO2": 19.47,
    "NO2": 0.37,
    "NH4": 0.26,
    "NO3": 19.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.5155] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "CF13",
    "water_depth": 170,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1524",
    "depth": 42.1,
    "PO4": 1.53,
    "SiOH4": 19.9,
    "NO3_NO2": 19.97,
    "NO2": 0.38,
    "NH4": 0.16,
    "NO3": 19.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.5155] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "CF13",
    "water_depth": 170,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1524",
    "depth": 52.8,
    "PO4": 1.54,
    "SiOH4": 20.27,
    "NO3_NO2": 20.24,
    "NO2": 0.38,
    "NH4": 0.15,
    "NO3": 19.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.5155] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "CF13",
    "water_depth": 170,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1524",
    "depth": 74.3,
    "PO4": 1.55,
    "SiOH4": 21.17,
    "NO3_NO2": 20.35,
    "NO2": 0.33,
    "NH4": 0.05,
    "NO3": 20.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.5155] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "CF13",
    "water_depth": 170,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1524",
    "depth": 98.7,
    "PO4": 1.53,
    "SiOH4": 20.82,
    "NO3_NO2": 20.59,
    "NO2": 0.31,
    "NH4": 0.12,
    "NO3": 20.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.5155] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "CF13",
    "water_depth": 170,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1524",
    "depth": 125.6,
    "PO4": 1.65,
    "SiOH4": 22.97,
    "NO3_NO2": 22.55,
    "NO2": 0.28,
    "NH4": 0.03,
    "NO3": 22.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.5155] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "CF13",
    "water_depth": 170,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1524",
    "depth": 148.2,
    "PO4": 1.74,
    "SiOH4": 25.16,
    "NO3_NO2": 24.26,
    "NO2": 0.21,
    "NH4": 0.07,
    "NO3": 24.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8678, 59.5155] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "CF13",
    "water_depth": 170,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1524",
    "depth": 169.8,
    "PO4": 1.94,
    "SiOH4": 30.3,
    "NO3_NO2": 27.71,
    "NO2": 0.21,
    "NH4": 0.09,
    "NO3": 27.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8682, 59.5819] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1625",
    "depth": 3.6,
    "PO4": 1.23,
    "SiOH4": 19.48,
    "NO3_NO2": 16.14,
    "NO2": 0.11,
    "NH4": 0.1,
    "NO3": 16.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8682, 59.5819] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1625",
    "depth": 12.3,
    "PO4": 1.26,
    "SiOH4": 19.78,
    "NO3_NO2": 16.22,
    "NO2": 0.09,
    "NH4": 0.09,
    "NO3": 16.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8682, 59.5819] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1625",
    "depth": 20.9,
    "PO4": 1.29,
    "SiOH4": 19.79,
    "NO3_NO2": 16.44,
    "NO2": 0.04,
    "NH4": 0.14,
    "NO3": 16.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8682, 59.5819] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1625",
    "depth": 29.7,
    "PO4": 1.33,
    "SiOH4": 20.12,
    "NO3_NO2": 17.26,
    "NO2": 0.01,
    "NH4": 0.18,
    "NO3": 17.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8682, 59.5819] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1625",
    "depth": 41.7,
    "PO4": 1.37,
    "SiOH4": 20.07,
    "NO3_NO2": 17.56,
    "NO2": 0.13,
    "NH4": 0.14,
    "NO3": 17.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8682, 59.5819] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1625",
    "depth": 50.7,
    "PO4": 1.36,
    "SiOH4": 20.17,
    "NO3_NO2": 17.72,
    "NO2": 0.27,
    "NH4": 0.21,
    "NO3": 17.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8682, 59.5819] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1625",
    "depth": 74.5,
    "PO4": 1.36,
    "SiOH4": 19.88,
    "NO3_NO2": 17.52,
    "NO2": 0.21,
    "NH4": 0.23,
    "NO3": 17.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8682, 59.5819] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1625",
    "depth": 99.9,
    "PO4": 1.44,
    "SiOH4": 20.43,
    "NO3_NO2": 19.33,
    "NO2": 0.19,
    "NH4": 0.24,
    "NO3": 19.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8682, 59.5819] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1625",
    "depth": 126.5,
    "PO4": 1.61,
    "SiOH4": 23.56,
    "NO3_NO2": 22.02,
    "NO2": 0.35,
    "NH4": 0.48,
    "NO3": 21.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8682, 59.5819] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1625",
    "depth": 152.0,
    "PO4": 1.95,
    "SiOH4": 31.63,
    "NO3_NO2": 27.94,
    "NO2": 0.25,
    "NH4": 0.19,
    "NO3": 27.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8682, 59.5819] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1625",
    "depth": 176.8,
    "PO4": 2.34,
    "SiOH4": 34.49,
    "NO3_NO2": 30.03,
    "NO2": 0.31,
    "NH4": 0.37,
    "NO3": 29.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8699, 59.6498] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 55,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1724",
    "depth": 5.0,
    "PO4": 1.42,
    "SiOH4": 19.98,
    "NO3_NO2": 15.83,
    "NO2": 0.15,
    "NH4": 0.13,
    "NO3": 15.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8699, 59.6498] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 55,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1724",
    "depth": 12.6,
    "PO4": 1.35,
    "SiOH4": 20.09,
    "NO3_NO2": 15.98,
    "NO2": 0.19,
    "NH4": 0.11,
    "NO3": 15.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8699, 59.6498] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 55,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1724",
    "depth": 22.6,
    "PO4": 1.34,
    "SiOH4": 20.49,
    "NO3_NO2": 15.74,
    "NO2": 0.18,
    "NH4": 0.05,
    "NO3": 15.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8699, 59.6498] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 55,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1724",
    "depth": 30.7,
    "PO4": 1.32,
    "SiOH4": 20.36,
    "NO3_NO2": 16.03,
    "NO2": 0.23,
    "NH4": 0.03,
    "NO3": 15.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8699, 59.6498] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 55,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1724",
    "depth": 40.4,
    "PO4": 1.33,
    "SiOH4": 17.93,
    "NO3_NO2": 16.51,
    "NO2": 0.24,
    "NH4": 0.03,
    "NO3": 16.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8699, 59.6498] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 55,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1724",
    "depth": 50.6,
    "PO4": 1.35,
    "SiOH4": 18.21,
    "NO3_NO2": 16.88,
    "NO2": 0.22,
    "NH4": 0.08,
    "NO3": 16.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8699, 59.6498] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 55,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1724",
    "depth": 73.8,
    "PO4": 1.42,
    "SiOH4": 19.05,
    "NO3_NO2": 17.87,
    "NO2": 0.22,
    "NH4": 0.03,
    "NO3": 17.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8699, 59.6498] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 55,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1724",
    "depth": 100.8,
    "PO4": 1.52,
    "SiOH4": 20.84,
    "NO3_NO2": 20.21,
    "NO2": 0.21,
    "NH4": 0.03,
    "NO3": 20.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8699, 59.6498] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 55,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1724",
    "depth": 124.9,
    "PO4": 1.58,
    "SiOH4": 22.4,
    "NO3_NO2": 21.52,
    "NO2": 0.19,
    "NH4": 0.03,
    "NO3": 21.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8699, 59.6498] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 55,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1724",
    "depth": 149.6,
    "PO4": 1.95,
    "SiOH4": 31.26,
    "NO3_NO2": 28.76,
    "NO2": 0.11,
    "NH4": 0.03,
    "NO3": 28.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8699, 59.6498] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 55,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1724",
    "depth": 174.6,
    "PO4": 2.02,
    "SiOH4": 33.77,
    "NO3_NO2": 30.28,
    "NO2": 0.1,
    "NH4": 0.03,
    "NO3": 30.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.7169] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1819",
    "depth": 6.3,
    "PO4": 1.33,
    "SiOH4": 24.25,
    "NO3_NO2": 18.39,
    "NO2": 0.19,
    "NH4": 0.16,
    "NO3": 18.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.7169] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1819",
    "depth": 11.2,
    "PO4": 1.37,
    "SiOH4": 24.15,
    "NO3_NO2": 18.51,
    "NO2": 0.16,
    "NH4": 0.16,
    "NO3": 18.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.7169] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1819",
    "depth": 21.3,
    "PO4": 1.51,
    "SiOH4": 24.66,
    "NO3_NO2": 20.3,
    "NO2": 0.23,
    "NH4": 0.35,
    "NO3": 20.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.7169] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1819",
    "depth": 31.9,
    "PO4": 1.54,
    "SiOH4": 24.7,
    "NO3_NO2": 20.75,
    "NO2": 0.29,
    "NH4": 0.35,
    "NO3": 20.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.7169] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1819",
    "depth": 42.4,
    "PO4": 1.43,
    "SiOH4": 23.05,
    "NO3_NO2": 18.8,
    "NO2": 0.28,
    "NH4": 0.37,
    "NO3": 18.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.7169] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1819",
    "depth": 51.3,
    "PO4": 1.35,
    "SiOH4": 21.25,
    "NO3_NO2": 17.0,
    "NO2": 0.26,
    "NH4": 0.35,
    "NO3": 16.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.7169] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1819",
    "depth": 101.6,
    "PO4": 1.43,
    "SiOH4": 21.2,
    "NO3_NO2": 18.89,
    "NO2": 0.16,
    "NH4": 0.16,
    "NO3": 18.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.7169] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1819",
    "depth": 127.8,
    "PO4": 1.53,
    "SiOH4": 22.18,
    "NO3_NO2": 21.22,
    "NO2": 0.05,
    "NH4": 0.27,
    "NO3": 21.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.7169] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1819",
    "depth": 151.4,
    "PO4": 1.62,
    "SiOH4": 24.06,
    "NO3_NO2": 22.42,
    "NO2": 0.04,
    "NH4": 0.27,
    "NO3": 22.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.7169] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "CF7",
    "water_depth": 183,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1819",
    "depth": 179.6,
    "PO4": 1.79,
    "SiOH4": 27.67,
    "NO3_NO2": 24.88,
    "NO2": 0.17,
    "NH4": 0.29,
    "NO3": 24.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.7843] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 59,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1914",
    "depth": 2.2,
    "PO4": 1.52,
    "SiOH4": 22.99,
    "NO3_NO2": 18.82,
    "NO2": 0.18,
    "NH4": 0.14,
    "NO3": 18.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.7843] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 59,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1914",
    "depth": 11.4,
    "PO4": 1.46,
    "SiOH4": 22.8,
    "NO3_NO2": 19.26,
    "NO2": 0.14,
    "NH4": 0.11,
    "NO3": 19.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.7843] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 59,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1914",
    "depth": 21.4,
    "PO4": 1.46,
    "SiOH4": 24.44,
    "NO3_NO2": 18.88,
    "NO2": 0.17,
    "NH4": 0.19,
    "NO3": 18.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.7843] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 59,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1914",
    "depth": 31.2,
    "PO4": 1.48,
    "SiOH4": 24.42,
    "NO3_NO2": 19.07,
    "NO2": 0.17,
    "NH4": 0.14,
    "NO3": 18.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.7843] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 59,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1914",
    "depth": 40.5,
    "PO4": 1.52,
    "SiOH4": 24.57,
    "NO3_NO2": 19.83,
    "NO2": 0.17,
    "NH4": 0.15,
    "NO3": 19.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.7843] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 59,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1914",
    "depth": 51.6,
    "PO4": 1.56,
    "SiOH4": 24.43,
    "NO3_NO2": 20.66,
    "NO2": 0.18,
    "NH4": 0.22,
    "NO3": 20.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.7843] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 59,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1914",
    "depth": 77.4,
    "PO4": 1.58,
    "SiOH4": 25.04,
    "NO3_NO2": 21.1,
    "NO2": 0.09,
    "NH4": 0.28,
    "NO3": 21.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.7843] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 59,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1914",
    "depth": 99.8,
    "PO4": 1.58,
    "SiOH4": 24.61,
    "NO3_NO2": 20.89,
    "NO2": 0.08,
    "NH4": 0.17,
    "NO3": 20.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.7843] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 59,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1914",
    "depth": 124.6,
    "PO4": 1.58,
    "SiOH4": 23.98,
    "NO3_NO2": 20.97,
    "NO2": 0.08,
    "NH4": 0.02,
    "NO3": 20.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.7843] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 59,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1914",
    "depth": 151.4,
    "PO4": 1.61,
    "SiOH4": 23.65,
    "NO3_NO2": 21.71,
    "NO2": 0.11,
    "NH4": 0.01,
    "NO3": 21.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.7843] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 59,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1914",
    "depth": 174.3,
    "PO4": 1.65,
    "SiOH4": 23.72,
    "NO3_NO2": 22.73,
    "NO2": 0.13,
    "NH4": 0.05,
    "NO3": 22.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.7843] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 59,
    "stn_id": "CF5",
    "water_depth": 191,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "1914",
    "depth": 189.2,
    "PO4": 1.71,
    "SiOH4": 24.84,
    "NO3_NO2": 23.53,
    "NO2": 0.1,
    "NH4": 0.01,
    "NO3": 23.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.8503] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 61,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "2009",
    "depth": 2.3,
    "PO4": 0.96,
    "SiOH4": 11.33,
    "NO3_NO2": 11.1,
    "NO2": 0.17,
    "NH4": 0.22,
    "NO3": 10.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.8503] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 61,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "2009",
    "depth": 8.7,
    "PO4": 1.04,
    "SiOH4": 12.8,
    "NO3_NO2": 11.93,
    "NO2": 0.14,
    "NH4": 0.5,
    "NO3": 11.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.8503] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 61,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "2009",
    "depth": 20.7,
    "PO4": 1.3,
    "SiOH4": 17.97,
    "NO3_NO2": 15.59,
    "NO2": 0.14,
    "NH4": 0.99,
    "NO3": 15.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.8503] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 61,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "2009",
    "depth": 30.8,
    "PO4": 1.43,
    "SiOH4": 21.22,
    "NO3_NO2": 18.13,
    "NO2": 0.1,
    "NH4": 0.93,
    "NO3": 18.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.8503] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 61,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "2009",
    "depth": 42.2,
    "PO4": 1.51,
    "SiOH4": 22.76,
    "NO3_NO2": 19.62,
    "NO2": 0.1,
    "NH4": 0.79,
    "NO3": 19.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.8503] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 61,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "2009",
    "depth": 50.7,
    "PO4": 1.56,
    "SiOH4": 23.27,
    "NO3_NO2": 20.41,
    "NO2": 0.1,
    "NH4": 0.75,
    "NO3": 20.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.8503] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 61,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "2009",
    "depth": 74.6,
    "PO4": 1.64,
    "SiOH4": 25.45,
    "NO3_NO2": 21.87,
    "NO2": 0.1,
    "NH4": 0.44,
    "NO3": 21.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.8503] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 61,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "2009",
    "depth": 97.8,
    "PO4": 1.67,
    "SiOH4": 26.54,
    "NO3_NO2": 23.62,
    "NO2": 0.1,
    "NH4": 0.2,
    "NO3": 23.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.8503] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 61,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "2009",
    "depth": 123.2,
    "PO4": 1.72,
    "SiOH4": 27.17,
    "NO3_NO2": 23.87,
    "NO2": 0.1,
    "NH4": 0.12,
    "NO3": 23.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8665, 59.8503] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 61,
    "stn_id": "CF3",
    "water_depth": 163,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "2009",
    "depth": 158.9,
    "PO4": 1.71,
    "SiOH4": 25.72,
    "NO3_NO2": 22.86,
    "NO2": 0.1,
    "NH4": 0.25,
    "NO3": 22.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8657, 59.9087] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 63,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "2055",
    "depth": 1.8,
    "PO4": 0.71,
    "SiOH4": 5.38,
    "NO3_NO2": 5.17,
    "NO2": 0.03,
    "NH4": 0.39,
    "NO3": 5.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8657, 59.9087] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 63,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "2055",
    "depth": 10.3,
    "PO4": 0.74,
    "SiOH4": 5.89,
    "NO3_NO2": 7.03,
    "NO2": 0.05,
    "NH4": 0.58,
    "NO3": 6.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8657, 59.9087] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 63,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "2055",
    "depth": 20.4,
    "PO4": 0.77,
    "SiOH4": 6.12,
    "NO3_NO2": 7.93,
    "NO2": 0.02,
    "NH4": 0.52,
    "NO3": 7.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8657, 59.9087] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 63,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "2055",
    "depth": 28.0,
    "PO4": 0.85,
    "SiOH4": 7.25,
    "NO3_NO2": 8.12,
    "NO2": 0.07,
    "NH4": 0.93,
    "NO3": 8.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8657, 59.9087] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 63,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "2055",
    "depth": 39.7,
    "PO4": 0.96,
    "SiOH4": 6.91,
    "NO3_NO2": 9.68,
    "NO2": 0.01,
    "NH4": 1.18,
    "NO3": 9.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8657, 59.9087] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 63,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "2055",
    "depth": 49.1,
    "PO4": 1.01,
    "SiOH4": 6.86,
    "NO3_NO2": 10.63,
    "NO2": 0.01,
    "NH4": 1.22,
    "NO3": 10.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8657, 59.9087] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 63,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "2055",
    "depth": 74.4,
    "PO4": 1.16,
    "SiOH4": 10.2,
    "NO3_NO2": 12.04,
    "NO2": 0.08,
    "NH4": 1.62,
    "NO3": 11.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8657, 59.9087] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 63,
    "stn_id": "CF1",
    "water_depth": 86,
    "month_gmt": "05",
    "day_gmt": "08",
    "time_gmt": "2055",
    "depth": 82.6,
    "PO4": 1.32,
    "SiOH4": 12.58,
    "NO3_NO2": 14.01,
    "NO2": 0.09,
    "NH4": 1.68,
    "NO3": 13.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.63, 58.9703] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 64,
    "stn_id": "GAK7",
    "water_depth": 244,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1440",
    "depth": 2.0,
    "PO4": 1.85,
    "SiOH4": 18.8,
    "NO3_NO2": 14.29,
    "NO2": 0.18,
    "NH4": 0.07,
    "NO3": 14.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.63, 58.9703] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 64,
    "stn_id": "GAK7",
    "water_depth": 244,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1440",
    "depth": 9.8,
    "PO4": 1.48,
    "SiOH4": 18.98,
    "NO3_NO2": 14.51,
    "NO2": 0.18,
    "NH4": 0.08,
    "NO3": 14.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.63, 58.9703] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 64,
    "stn_id": "GAK7",
    "water_depth": 244,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1440",
    "depth": 20.2,
    "PO4": 1.47,
    "SiOH4": 18.92,
    "NO3_NO2": 15.11,
    "NO2": 0.18,
    "NH4": 0.1,
    "NO3": 14.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.63, 58.9703] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 64,
    "stn_id": "GAK7",
    "water_depth": 244,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1440",
    "depth": 29.4,
    "PO4": 1.44,
    "SiOH4": 18.84,
    "NO3_NO2": 15.05,
    "NO2": 0.18,
    "NH4": 0.09,
    "NO3": 14.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.63, 58.9703] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 64,
    "stn_id": "GAK7",
    "water_depth": 244,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1440",
    "depth": 39.6,
    "PO4": 1.49,
    "SiOH4": 19.02,
    "NO3_NO2": 15.03,
    "NO2": 0.22,
    "NH4": 0.16,
    "NO3": 14.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.63, 58.9703] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 64,
    "stn_id": "GAK7",
    "water_depth": 244,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1440",
    "depth": 50.2,
    "PO4": 1.48,
    "SiOH4": 19.34,
    "NO3_NO2": 15.65,
    "NO2": 0.22,
    "NH4": 0.12,
    "NO3": 15.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.63, 58.9703] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 64,
    "stn_id": "GAK7",
    "water_depth": 244,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1440",
    "depth": 76.3,
    "PO4": 1.67,
    "SiOH4": 21.13,
    "NO3_NO2": 19.76,
    "NO2": 0.22,
    "NH4": 0.08,
    "NO3": 19.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.63, 58.9703] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 64,
    "stn_id": "GAK7",
    "water_depth": 244,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1440",
    "depth": 103.6,
    "PO4": 1.87,
    "SiOH4": 26.34,
    "NO3_NO2": 22.92,
    "NO2": 0.22,
    "NH4": 0.05,
    "NO3": 22.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.63, 58.9703] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 64,
    "stn_id": "GAK7",
    "water_depth": 244,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1440",
    "depth": 151.0,
    "PO4": 2.46,
    "SiOH4": 42.63,
    "NO3_NO2": 32.3,
    "NO2": 0.15,
    "NH4": 0.04,
    "NO3": 32.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.63, 58.9703] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 64,
    "stn_id": "GAK7",
    "water_depth": 244,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1440",
    "depth": 199.9,
    "PO4": 2.66,
    "SiOH4": 47.29,
    "NO3_NO2": 35.54,
    "NO2": 0.11,
    "NH4": 0.08,
    "NO3": 35.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.63, 58.9703] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 64,
    "stn_id": "GAK7",
    "water_depth": 244,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1440",
    "depth": 242.0,
    "PO4": 2.84,
    "SiOH4": 52.56,
    "NO3_NO2": 37.66,
    "NO2": 0.13,
    "NH4": 0.15,
    "NO3": 37.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6983, 59.0452] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 65,
    "stn_id": "GAK6I",
    "water_depth": 192,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1714",
    "depth": 2.5,
    "PO4": 1.11,
    "SiOH4": 18.97,
    "NO3_NO2": 13.55,
    "NO2": 0.22,
    "NH4": 0.11,
    "NO3": 13.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6983, 59.0452] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 65,
    "stn_id": "GAK6I",
    "water_depth": 192,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1714",
    "depth": 9.9,
    "PO4": 1.14,
    "SiOH4": 18.9,
    "NO3_NO2": 13.59,
    "NO2": 0.26,
    "NH4": 0.04,
    "NO3": 13.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6983, 59.0452] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 65,
    "stn_id": "GAK6I",
    "water_depth": 192,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1714",
    "depth": 19.8,
    "PO4": 1.22,
    "SiOH4": 19.09,
    "NO3_NO2": 14.13,
    "NO2": 0.26,
    "NH4": 0.03,
    "NO3": 13.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6983, 59.0452] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 65,
    "stn_id": "GAK6I",
    "water_depth": 192,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1714",
    "depth": 29.2,
    "PO4": 1.27,
    "SiOH4": 19.16,
    "NO3_NO2": 14.36,
    "NO2": 0.22,
    "NH4": 0.05,
    "NO3": 14.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6983, 59.0452] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 65,
    "stn_id": "GAK6I",
    "water_depth": 192,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1714",
    "depth": 39.7,
    "PO4": 1.29,
    "SiOH4": 19.21,
    "NO3_NO2": 14.74,
    "NO2": 0.22,
    "NH4": 0.09,
    "NO3": 14.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6983, 59.0452] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 65,
    "stn_id": "GAK6I",
    "water_depth": 192,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1714",
    "depth": 49.2,
    "PO4": 1.32,
    "SiOH4": 19.49,
    "NO3_NO2": 15.37,
    "NO2": 0.22,
    "NH4": 0.11,
    "NO3": 15.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6983, 59.0452] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 65,
    "stn_id": "GAK6I",
    "water_depth": 192,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1714",
    "depth": 74.7,
    "PO4": 1.39,
    "SiOH4": 20.95,
    "NO3_NO2": 17.66,
    "NO2": 0.24,
    "NH4": 0.23,
    "NO3": 17.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6983, 59.0452] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 65,
    "stn_id": "GAK6I",
    "water_depth": 192,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1714",
    "depth": 100.3,
    "PO4": 1.77,
    "SiOH4": 28.72,
    "NO3_NO2": 23.58,
    "NO2": 0.11,
    "NH4": 0.03,
    "NO3": 23.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6983, 59.0452] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 65,
    "stn_id": "GAK6I",
    "water_depth": 192,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1714",
    "depth": 150.1,
    "PO4": 2.08,
    "SiOH4": 36.13,
    "NO3_NO2": 28.46,
    "NO2": 0.09,
    "NH4": 0.02,
    "NO3": 28.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6983, 59.0452] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 65,
    "stn_id": "GAK6I",
    "water_depth": 192,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1714",
    "depth": 188.7,
    "PO4": 2.2,
    "SiOH4": 38.38,
    "NO3_NO2": 30.27,
    "NO2": 0.09,
    "NH4": 0.09,
    "NO3": 30.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7697, 59.1173] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 66,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1759",
    "depth": 2.8,
    "PO4": 1.42,
    "SiOH4": 18.94,
    "NO3_NO2": 14.95,
    "NO2": 0.16,
    "NH4": 0.05,
    "NO3": 14.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7697, 59.1173] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 66,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1759",
    "depth": 11.1,
    "PO4": 1.35,
    "SiOH4": 19.08,
    "NO3_NO2": 14.82,
    "NO2": 0.16,
    "NH4": 0.03,
    "NO3": 14.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7697, 59.1173] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 66,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1759",
    "depth": 20.3,
    "PO4": 1.36,
    "SiOH4": 19.21,
    "NO3_NO2": 15.34,
    "NO2": 0.15,
    "NH4": 0.03,
    "NO3": 15.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7697, 59.1173] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 66,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1759",
    "depth": 30.7,
    "PO4": 1.41,
    "SiOH4": 19.59,
    "NO3_NO2": 16.41,
    "NO2": 0.15,
    "NH4": 0.03,
    "NO3": 16.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7697, 59.1173] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 66,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1759",
    "depth": 40.6,
    "PO4": 1.43,
    "SiOH4": 19.73,
    "NO3_NO2": 16.09,
    "NO2": 0.13,
    "NH4": 0.08,
    "NO3": 15.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7697, 59.1173] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 66,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1759",
    "depth": 74.5,
    "PO4": 1.71,
    "SiOH4": 25.27,
    "NO3_NO2": 22.11,
    "NO2": 0.05,
    "NH4": 0.03,
    "NO3": 22.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7697, 59.1173] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 66,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1759",
    "depth": 99.0,
    "PO4": 1.94,
    "SiOH4": 30.1,
    "NO3_NO2": 25.62,
    "NO2": 0.05,
    "NH4": 0.03,
    "NO3": 25.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7697, 59.1173] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 66,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1759",
    "depth": 124.4,
    "PO4": 2.01,
    "SiOH4": 31.93,
    "NO3_NO2": 26.87,
    "NO2": 0.05,
    "NH4": 0.03,
    "NO3": 26.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7697, 59.1173] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 66,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1759",
    "depth": 146.7,
    "PO4": 2.0,
    "SiOH4": 32.44,
    "NO3_NO2": 27.46,
    "NO2": 0.06,
    "NH4": 0.03,
    "NO3": 27.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8379, 59.1903] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 67,
    "stn_id": "GAK5I",
    "water_depth": 163,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1852",
    "depth": 2.7,
    "PO4": 1.2,
    "SiOH4": 18.58,
    "NO3_NO2": 14.1,
    "NO2": 0.1,
    "NH4": 0.08,
    "NO3": 14.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8379, 59.1903] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 67,
    "stn_id": "GAK5I",
    "water_depth": 163,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1852",
    "depth": 11.6,
    "PO4": 1.2,
    "SiOH4": 18.21,
    "NO3_NO2": 14.0,
    "NO2": 0.1,
    "NH4": 0.08,
    "NO3": 13.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8379, 59.1903] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 67,
    "stn_id": "GAK5I",
    "water_depth": 163,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1852",
    "depth": 21.5,
    "PO4": 1.3,
    "SiOH4": 17.86,
    "NO3_NO2": 14.6,
    "NO2": 0.1,
    "NH4": 0.08,
    "NO3": 14.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8379, 59.1903] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 67,
    "stn_id": "GAK5I",
    "water_depth": 163,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1852",
    "depth": 31.4,
    "PO4": 1.3,
    "SiOH4": 17.68,
    "NO3_NO2": 14.6,
    "NO2": 0.2,
    "NH4": 0.08,
    "NO3": 14.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8379, 59.1903] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 67,
    "stn_id": "GAK5I",
    "water_depth": 163,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1852",
    "depth": 40.8,
    "PO4": 1.2,
    "SiOH4": 18.04,
    "NO3_NO2": 15.2,
    "NO2": 0.2,
    "NH4": 0.08,
    "NO3": 15.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8379, 59.1903] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 67,
    "stn_id": "GAK5I",
    "water_depth": 163,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1852",
    "depth": 49.8,
    "PO4": 1.3,
    "SiOH4": 19.05,
    "NO3_NO2": 17.5,
    "NO2": 0.2,
    "NH4": 0.08,
    "NO3": 17.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8379, 59.1903] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 67,
    "stn_id": "GAK5I",
    "water_depth": 163,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1852",
    "depth": 76.0,
    "PO4": 1.7,
    "SiOH4": 24.65,
    "NO3_NO2": 22.9,
    "NO2": 0.1,
    "NH4": 0.08,
    "NO3": 22.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8379, 59.1903] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 67,
    "stn_id": "GAK5I",
    "water_depth": 163,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1852",
    "depth": 100.0,
    "PO4": 1.7,
    "SiOH4": 26.02,
    "NO3_NO2": 23.7,
    "NO2": 0.1,
    "NH4": 0.03,
    "NO3": 23.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8379, 59.1903] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 67,
    "stn_id": "GAK5I",
    "water_depth": 163,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1852",
    "depth": 124.3,
    "PO4": 1.8,
    "SiOH4": 26.16,
    "NO3_NO2": 23.6,
    "NO2": 0.1,
    "NH4": 0.03,
    "NO3": 23.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8379, 59.1903] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 67,
    "stn_id": "GAK5I",
    "water_depth": 163,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1852",
    "depth": 161.9,
    "PO4": 1.8,
    "SiOH4": 26.96,
    "NO3_NO2": 24.7,
    "NO2": 0.1,
    "NH4": 0.03,
    "NO3": 24.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9074, 59.263] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1934",
    "depth": 3.1,
    "PO4": 1.37,
    "SiOH4": 21.13,
    "NO3_NO2": 14.7,
    "NO2": 0.31,
    "NH4": 0.08,
    "NO3": 14.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9074, 59.263] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1934",
    "depth": 25.8,
    "PO4": 1.32,
    "SiOH4": 21.22,
    "NO3_NO2": 14.9,
    "NO2": 0.31,
    "NH4": 0.13,
    "NO3": 14.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9074, 59.263] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1934",
    "depth": 51.0,
    "PO4": 1.37,
    "SiOH4": 21.43,
    "NO3_NO2": 16.29,
    "NO2": 0.28,
    "NH4": 0.13,
    "NO3": 16.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9074, 59.263] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1934",
    "depth": 76.2,
    "PO4": 1.51,
    "SiOH4": 24.09,
    "NO3_NO2": 19.4,
    "NO2": 0.28,
    "NH4": 0.1,
    "NO3": 19.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9074, 59.263] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1934",
    "depth": 101.0,
    "PO4": 1.69,
    "SiOH4": 28.16,
    "NO3_NO2": 22.64,
    "NO2": 0.28,
    "NH4": 0.05,
    "NO3": 22.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9074, 59.263] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1934",
    "depth": 126.8,
    "PO4": 1.74,
    "SiOH4": 28.94,
    "NO3_NO2": 23.65,
    "NO2": 0.21,
    "NH4": 0.08,
    "NO3": 23.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9074, 59.263] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "GAK5",
    "water_depth": 168,
    "month_gmt": "05",
    "day_gmt": "09",
    "time_gmt": "1934",
    "depth": 165.6,
    "PO4": 1.84,
    "SiOH4": 31.48,
    "NO3_NO2": 25.42,
    "NO2": 0.17,
    "NH4": 0.1,
    "NO3": 25.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.966, 59.0599] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 69,
    "stn_id": "CCSE7",
    "water_depth": 2010,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "0153",
    "depth": 2.3,
    "PO4": 1.18,
    "SiOH4": 20.83,
    "NO3_NO2": 15.29,
    "NO2": 0.32,
    "NH4": 0.18,
    "NO3": 14.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.966, 59.0599] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 69,
    "stn_id": "CCSE7",
    "water_depth": 2010,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "0153",
    "depth": 10.1,
    "PO4": 1.2,
    "SiOH4": 20.63,
    "NO3_NO2": 13.47,
    "NO2": 0.35,
    "NH4": 0.23,
    "NO3": 13.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.966, 59.0599] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 69,
    "stn_id": "CCSE7",
    "water_depth": 2010,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "0153",
    "depth": 19.9,
    "PO4": 1.24,
    "SiOH4": 20.68,
    "NO3_NO2": 12.3,
    "NO2": 0.32,
    "NH4": 0.21,
    "NO3": 11.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.966, 59.0599] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 69,
    "stn_id": "CCSE7",
    "water_depth": 2010,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "0153",
    "depth": 30.1,
    "PO4": 1.29,
    "SiOH4": 21.71,
    "NO3_NO2": 16.18,
    "NO2": 0.3,
    "NH4": 0.26,
    "NO3": 15.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.966, 59.0599] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 69,
    "stn_id": "CCSE7",
    "water_depth": 2010,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "0153",
    "depth": 50.0,
    "PO4": 1.29,
    "SiOH4": 20.11,
    "NO3_NO2": 15.77,
    "NO2": 0.27,
    "NH4": 0.26,
    "NO3": 15.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.966, 59.0599] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 69,
    "stn_id": "CCSE7",
    "water_depth": 2010,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "0153",
    "depth": 99.8,
    "PO4": 1.44,
    "SiOH4": 21.23,
    "NO3_NO2": 17.74,
    "NO2": 0.05,
    "NH4": 0.05,
    "NO3": 17.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.966, 59.0599] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 69,
    "stn_id": "CCSE7",
    "water_depth": 2010,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "0153",
    "depth": 174.3,
    "PO4": 1.95,
    "SiOH4": 34.55,
    "NO3_NO2": 27.35,
    "NO2": 0.04,
    "NH4": 0.05,
    "NO3": 27.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.966, 59.0599] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 69,
    "stn_id": "CCSE7",
    "water_depth": 2010,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "0153",
    "depth": 250.1,
    "PO4": 2.52,
    "SiOH4": 51.77,
    "NO3_NO2": 38.4,
    "NO2": 0.05,
    "NH4": 0.08,
    "NO3": 38.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.966, 59.0599] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 69,
    "stn_id": "CCSE7",
    "water_depth": 2010,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "0153",
    "depth": 502.0,
    "PO4": 3.17,
    "SiOH4": null,
    "NO3_NO2": 47.96,
    "NO2": 0.02,
    "NH4": 0.05,
    "NO3": 47.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.966, 59.0599] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 69,
    "stn_id": "CCSE7",
    "water_depth": 2010,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "0153",
    "depth": 747.7,
    "PO4": 3.33,
    "SiOH4": 114.61,
    "NO3_NO2": 49.58,
    "NO2": 0.03,
    "NH4": 0.05,
    "NO3": 49.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.966, 59.0599] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 69,
    "stn_id": "CCSE7",
    "water_depth": 2010,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "0153",
    "depth": 1000.0,
    "PO4": 3.4,
    "SiOH4": null,
    "NO3_NO2": 50.24,
    "NO2": 0.06,
    "NH4": 0.05,
    "NO3": 50.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.966, 59.0599] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 69,
    "stn_id": "CCSE7",
    "water_depth": 2010,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "0153",
    "depth": 1533.6,
    "PO4": 3.37,
    "SiOH4": null,
    "NO3_NO2": 49.88,
    "NO2": 0.02,
    "NH4": 0.05,
    "NO3": 49.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7295, 58.8837] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "CCSE8",
    "water_depth": 2778,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "0432",
    "depth": 2.1,
    "PO4": 1.39,
    "SiOH4": 20.42,
    "NO3_NO2": 14.82,
    "NO2": 0.28,
    "NH4": 0.05,
    "NO3": 14.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7295, 58.8837] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "CCSE8",
    "water_depth": 2778,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "0432",
    "depth": 10.6,
    "PO4": 1.36,
    "SiOH4": 20.41,
    "NO3_NO2": 14.93,
    "NO2": 0.3,
    "NH4": 0.13,
    "NO3": 14.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7295, 58.8837] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "CCSE8",
    "water_depth": 2778,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "0432",
    "depth": 22.0,
    "PO4": 1.35,
    "SiOH4": 20.46,
    "NO3_NO2": 15.52,
    "NO2": 0.25,
    "NH4": 0.05,
    "NO3": 15.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7295, 58.8837] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "CCSE8",
    "water_depth": 2778,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "0432",
    "depth": 32.4,
    "PO4": 1.36,
    "SiOH4": 20.58,
    "NO3_NO2": 15.91,
    "NO2": 0.28,
    "NH4": 0.1,
    "NO3": 15.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7295, 58.8837] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "CCSE8",
    "water_depth": 2778,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "0432",
    "depth": 52.1,
    "PO4": 1.4,
    "SiOH4": 20.42,
    "NO3_NO2": 16.5,
    "NO2": 0.27,
    "NH4": 0.2,
    "NO3": 16.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7295, 58.8837] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "CCSE8",
    "water_depth": 2778,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "0432",
    "depth": 102.5,
    "PO4": 1.53,
    "SiOH4": 21.15,
    "NO3_NO2": 19.39,
    "NO2": 0.2,
    "NH4": 0.13,
    "NO3": 19.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7295, 58.8837] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "CCSE8",
    "water_depth": 2778,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "0432",
    "depth": 177.1,
    "PO4": 2.16,
    "SiOH4": 36.23,
    "NO3_NO2": 30.93,
    "NO2": 0.2,
    "NH4": 0.13,
    "NO3": 30.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7295, 58.8837] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "CCSE8",
    "water_depth": 2778,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "0432",
    "depth": 251.0,
    "PO4": 2.66,
    "SiOH4": 50.73,
    "NO3_NO2": 40.4,
    "NO2": 0.2,
    "NH4": 0.13,
    "NO3": 40.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7295, 58.8837] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "CCSE8",
    "water_depth": 2778,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "0432",
    "depth": 503.7,
    "PO4": 3.35,
    "SiOH4": 88.85,
    "NO3_NO2": 49.28,
    "NO2": 0.15,
    "NH4": 0.13,
    "NO3": 49.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7295, 58.8837] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "CCSE8",
    "water_depth": 2778,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "0432",
    "depth": 754.9,
    "PO4": 3.51,
    "SiOH4": 107.53,
    "NO3_NO2": 51.35,
    "NO2": 0.15,
    "NH4": 0.13,
    "NO3": 51.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7295, 58.8837] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "CCSE8",
    "water_depth": 2778,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "0432",
    "depth": 1006.5,
    "PO4": 3.54,
    "SiOH4": null,
    "NO3_NO2": 51.79,
    "NO2": 0.15,
    "NH4": 0.13,
    "NO3": 51.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7295, 58.8837] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "CCSE8",
    "water_depth": 2778,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "0432",
    "depth": 1500.3,
    "PO4": 3.49,
    "SiOH4": null,
    "NO3_NO2": 51.61,
    "NO2": 0.15,
    "NH4": 0.13,
    "NO3": 51.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1564, 59.2326] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 71,
    "stn_id": "CCSE6",
    "water_depth": 201,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1507",
    "depth": 2.4,
    "PO4": 1.17,
    "SiOH4": 20.34,
    "NO3_NO2": 14.03,
    "NO2": 0.2,
    "NH4": 0.35,
    "NO3": 13.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1564, 59.2326] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 71,
    "stn_id": "CCSE6",
    "water_depth": 201,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1507",
    "depth": 10.0,
    "PO4": 1.2,
    "SiOH4": 20.67,
    "NO3_NO2": 14.26,
    "NO2": 0.2,
    "NH4": 0.35,
    "NO3": 14.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1564, 59.2326] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 71,
    "stn_id": "CCSE6",
    "water_depth": 201,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1507",
    "depth": 19.5,
    "PO4": 1.26,
    "SiOH4": 21.09,
    "NO3_NO2": 15.11,
    "NO2": 0.2,
    "NH4": 0.55,
    "NO3": 14.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1564, 59.2326] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 71,
    "stn_id": "CCSE6",
    "water_depth": 201,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1507",
    "depth": 30.9,
    "PO4": 1.31,
    "SiOH4": 21.74,
    "NO3_NO2": 15.7,
    "NO2": 0.18,
    "NH4": 0.63,
    "NO3": 15.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1564, 59.2326] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 71,
    "stn_id": "CCSE6",
    "water_depth": 201,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1507",
    "depth": 41.2,
    "PO4": 1.33,
    "SiOH4": 21.67,
    "NO3_NO2": 15.76,
    "NO2": 0.16,
    "NH4": 0.63,
    "NO3": 15.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1564, 59.2326] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 71,
    "stn_id": "CCSE6",
    "water_depth": 201,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1507",
    "depth": 50.6,
    "PO4": 1.34,
    "SiOH4": 22.18,
    "NO3_NO2": 16.0,
    "NO2": 0.17,
    "NH4": 0.68,
    "NO3": 15.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1564, 59.2326] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 71,
    "stn_id": "CCSE6",
    "water_depth": 201,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1507",
    "depth": 75.0,
    "PO4": 1.38,
    "SiOH4": 22.4,
    "NO3_NO2": 16.63,
    "NO2": 0.18,
    "NH4": 0.7,
    "NO3": 16.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1564, 59.2326] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 71,
    "stn_id": "CCSE6",
    "water_depth": 201,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1507",
    "depth": 101.8,
    "PO4": 1.44,
    "SiOH4": 22.45,
    "NO3_NO2": 17.89,
    "NO2": 0.16,
    "NH4": 0.45,
    "NO3": 17.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1564, 59.2326] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 71,
    "stn_id": "CCSE6",
    "water_depth": 201,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1507",
    "depth": 126.2,
    "PO4": 1.46,
    "SiOH4": 22.39,
    "NO3_NO2": 18.16,
    "NO2": 0.16,
    "NH4": 0.28,
    "NO3": 18.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1564, 59.2326] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 71,
    "stn_id": "CCSE6",
    "water_depth": 201,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1507",
    "depth": 149.0,
    "PO4": 1.49,
    "SiOH4": 22.79,
    "NO3_NO2": 19.42,
    "NO2": 0.15,
    "NH4": 0.25,
    "NO3": 19.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1564, 59.2326] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 71,
    "stn_id": "CCSE6",
    "water_depth": 201,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1507",
    "depth": 173.3,
    "PO4": 1.76,
    "SiOH4": 29.43,
    "NO3_NO2": 23.91,
    "NO2": 0.17,
    "NH4": 0.23,
    "NO3": 23.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1564, 59.2326] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 71,
    "stn_id": "CCSE6",
    "water_depth": 201,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1507",
    "depth": 198.5,
    "PO4": 2.07,
    "SiOH4": 36.24,
    "NO3_NO2": 28.37,
    "NO2": 0.15,
    "NH4": 0.38,
    "NO3": 28.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.3539, 59.3753] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "CCSE5",
    "water_depth": 125,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1637",
    "depth": 2.3,
    "PO4": 1.34,
    "SiOH4": 20.45,
    "NO3_NO2": 13.41,
    "NO2": 0.27,
    "NH4": 0.08,
    "NO3": 13.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.3539, 59.3753] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "CCSE5",
    "water_depth": 125,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1637",
    "depth": 10.0,
    "PO4": 1.27,
    "SiOH4": 20.36,
    "NO3_NO2": 13.6,
    "NO2": 0.25,
    "NH4": 0.08,
    "NO3": 13.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.3539, 59.3753] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "CCSE5",
    "water_depth": 125,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1637",
    "depth": 20.5,
    "PO4": 1.3,
    "SiOH4": 20.35,
    "NO3_NO2": 14.1,
    "NO2": 0.25,
    "NH4": 0.03,
    "NO3": 13.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.3539, 59.3753] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "CCSE5",
    "water_depth": 125,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1637",
    "depth": 30.9,
    "PO4": 1.29,
    "SiOH4": 20.42,
    "NO3_NO2": 14.67,
    "NO2": 0.24,
    "NH4": 0.08,
    "NO3": 14.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.3539, 59.3753] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "CCSE5",
    "water_depth": 125,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1637",
    "depth": 41.3,
    "PO4": 1.32,
    "SiOH4": 20.25,
    "NO3_NO2": 15.17,
    "NO2": 0.25,
    "NH4": 0.11,
    "NO3": 14.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.3539, 59.3753] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "CCSE5",
    "water_depth": 125,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1637",
    "depth": 51.4,
    "PO4": 1.33,
    "SiOH4": 20.27,
    "NO3_NO2": 15.68,
    "NO2": 0.24,
    "NH4": 0.11,
    "NO3": 15.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.3539, 59.3753] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "CCSE5",
    "water_depth": 125,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1637",
    "depth": 73.7,
    "PO4": 1.45,
    "SiOH4": 21.06,
    "NO3_NO2": 18.36,
    "NO2": 0.14,
    "NH4": 0.03,
    "NO3": 18.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.3539, 59.3753] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "CCSE5",
    "water_depth": 125,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1637",
    "depth": 99.3,
    "PO4": 1.5,
    "SiOH4": 21.85,
    "NO3_NO2": 19.44,
    "NO2": 0.15,
    "NH4": 0.08,
    "NO3": 19.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.3539, 59.3753] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "CCSE5",
    "water_depth": 125,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1637",
    "depth": 122.6,
    "PO4": 1.53,
    "SiOH4": 22.17,
    "NO3_NO2": 19.79,
    "NO2": 0.15,
    "NH4": 0.03,
    "NO3": 19.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4796, 59.4745] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 73,
    "stn_id": "CCSE4",
    "water_depth": 116,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1803",
    "depth": 2.7,
    "PO4": 1.21,
    "SiOH4": 21.98,
    "NO3_NO2": 15.53,
    "NO2": 0.24,
    "NH4": 0.16,
    "NO3": 15.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4796, 59.4745] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 73,
    "stn_id": "CCSE4",
    "water_depth": 116,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1803",
    "depth": 10.4,
    "PO4": 1.27,
    "SiOH4": 21.57,
    "NO3_NO2": 15.9,
    "NO2": 0.27,
    "NH4": 0.19,
    "NO3": 15.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4796, 59.4745] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 73,
    "stn_id": "CCSE4",
    "water_depth": 116,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1803",
    "depth": 20.5,
    "PO4": 1.31,
    "SiOH4": 20.78,
    "NO3_NO2": 16.2,
    "NO2": 0.27,
    "NH4": 0.21,
    "NO3": 15.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4796, 59.4745] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 73,
    "stn_id": "CCSE4",
    "water_depth": 116,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1803",
    "depth": 30.5,
    "PO4": 1.32,
    "SiOH4": 20.16,
    "NO3_NO2": 16.08,
    "NO2": 0.26,
    "NH4": 0.35,
    "NO3": 15.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4796, 59.4745] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 73,
    "stn_id": "CCSE4",
    "water_depth": 116,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1803",
    "depth": 40.2,
    "PO4": 1.34,
    "SiOH4": 20.05,
    "NO3_NO2": 16.27,
    "NO2": 0.28,
    "NH4": 0.35,
    "NO3": 15.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4796, 59.4745] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 73,
    "stn_id": "CCSE4",
    "water_depth": 116,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1803",
    "depth": 49.9,
    "PO4": 1.4,
    "SiOH4": 20.71,
    "NO3_NO2": 17.4,
    "NO2": 0.26,
    "NH4": 0.29,
    "NO3": 17.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4796, 59.4745] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 73,
    "stn_id": "CCSE4",
    "water_depth": 116,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1803",
    "depth": 74.7,
    "PO4": 1.46,
    "SiOH4": 20.16,
    "NO3_NO2": 18.06,
    "NO2": 0.27,
    "NH4": 0.32,
    "NO3": 17.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4796, 59.4745] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 73,
    "stn_id": "CCSE4",
    "water_depth": 116,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1803",
    "depth": 112.8,
    "PO4": 1.49,
    "SiOH4": 19.92,
    "NO3_NO2": 18.98,
    "NO2": 0.2,
    "NH4": 0.21,
    "NO3": 18.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6124, 59.5714] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 74,
    "stn_id": "CCSE3",
    "water_depth": 111,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1902",
    "depth": 2.4,
    "PO4": 1.25,
    "SiOH4": 20.04,
    "NO3_NO2": 15.73,
    "NO2": 0.22,
    "NH4": 0.4,
    "NO3": 15.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6124, 59.5714] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 74,
    "stn_id": "CCSE3",
    "water_depth": 111,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1902",
    "depth": 9.4,
    "PO4": 1.32,
    "SiOH4": 20.58,
    "NO3_NO2": 16.73,
    "NO2": 0.22,
    "NH4": 0.37,
    "NO3": 16.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6124, 59.5714] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 74,
    "stn_id": "CCSE3",
    "water_depth": 111,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1902",
    "depth": 15.9,
    "PO4": 1.37,
    "SiOH4": 21.02,
    "NO3_NO2": 17.36,
    "NO2": 0.19,
    "NH4": 0.35,
    "NO3": 17.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6124, 59.5714] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 74,
    "stn_id": "CCSE3",
    "water_depth": 111,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1902",
    "depth": 20.7,
    "PO4": 1.41,
    "SiOH4": 21.4,
    "NO3_NO2": 17.95,
    "NO2": 0.2,
    "NH4": 0.37,
    "NO3": 17.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6124, 59.5714] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 74,
    "stn_id": "CCSE3",
    "water_depth": 111,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1902",
    "depth": 30.5,
    "PO4": 1.48,
    "SiOH4": 21.71,
    "NO3_NO2": 18.63,
    "NO2": 0.19,
    "NH4": 0.45,
    "NO3": 18.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6124, 59.5714] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 74,
    "stn_id": "CCSE3",
    "water_depth": 111,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1902",
    "depth": 41.0,
    "PO4": 1.5,
    "SiOH4": 21.67,
    "NO3_NO2": 19.15,
    "NO2": 0.16,
    "NH4": 0.4,
    "NO3": 18.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6124, 59.5714] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 74,
    "stn_id": "CCSE3",
    "water_depth": 111,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1902",
    "depth": 50.0,
    "PO4": 1.4,
    "SiOH4": 19.97,
    "NO3_NO2": 17.34,
    "NO2": 0.42,
    "NH4": null,
    "NO3": 16.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6124, 59.5714] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 74,
    "stn_id": "CCSE3",
    "water_depth": 111,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1902",
    "depth": 73.0,
    "PO4": 1.39,
    "SiOH4": 19.53,
    "NO3_NO2": 17.17,
    "NO2": 0.35,
    "NH4": null,
    "NO3": 16.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6124, 59.5714] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 74,
    "stn_id": "CCSE3",
    "water_depth": 111,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "1902",
    "depth": 108.7,
    "PO4": 1.47,
    "SiOH4": 19.39,
    "NO3_NO2": 19.2,
    "NO2": 0.24,
    "NH4": null,
    "NO3": 18.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7291, 59.6692] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 75,
    "stn_id": "CCSE2",
    "water_depth": 116,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "2001",
    "depth": 2.1,
    "PO4": 1.44,
    "SiOH4": 21.25,
    "NO3_NO2": 16.73,
    "NO2": 0.23,
    "NH4": 0.24,
    "NO3": 16.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7291, 59.6692] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 75,
    "stn_id": "CCSE2",
    "water_depth": 116,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "2001",
    "depth": 9.1,
    "PO4": 1.39,
    "SiOH4": 21.47,
    "NO3_NO2": 16.87,
    "NO2": 0.25,
    "NH4": 0.14,
    "NO3": 16.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7291, 59.6692] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 75,
    "stn_id": "CCSE2",
    "water_depth": 116,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "2001",
    "depth": 20.2,
    "PO4": 1.43,
    "SiOH4": 22.98,
    "NO3_NO2": 17.93,
    "NO2": 0.22,
    "NH4": 0.16,
    "NO3": 17.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7291, 59.6692] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 75,
    "stn_id": "CCSE2",
    "water_depth": 116,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "2001",
    "depth": 28.9,
    "PO4": 1.49,
    "SiOH4": 23.38,
    "NO3_NO2": 18.58,
    "NO2": 0.22,
    "NH4": 0.24,
    "NO3": 18.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7291, 59.6692] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 75,
    "stn_id": "CCSE2",
    "water_depth": 116,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "2001",
    "depth": 39.4,
    "PO4": 1.52,
    "SiOH4": 23.72,
    "NO3_NO2": 19.1,
    "NO2": 0.22,
    "NH4": 0.19,
    "NO3": 18.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7291, 59.6692] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 75,
    "stn_id": "CCSE2",
    "water_depth": 116,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "2001",
    "depth": 50.0,
    "PO4": 1.53,
    "SiOH4": 23.66,
    "NO3_NO2": 19.49,
    "NO2": 0.24,
    "NH4": 0.11,
    "NO3": 19.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7291, 59.6692] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 75,
    "stn_id": "CCSE2",
    "water_depth": 116,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "2001",
    "depth": 74.2,
    "PO4": 1.53,
    "SiOH4": 23.58,
    "NO3_NO2": 19.61,
    "NO2": 0.23,
    "NH4": 0.11,
    "NO3": 19.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7291, 59.6692] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 75,
    "stn_id": "CCSE2",
    "water_depth": 116,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "2001",
    "depth": 99.3,
    "PO4": 1.49,
    "SiOH4": 22.54,
    "NO3_NO2": 18.78,
    "NO2": 0.22,
    "NH4": 0.14,
    "NO3": 18.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7291, 59.6692] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 75,
    "stn_id": "CCSE2",
    "water_depth": 116,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "2001",
    "depth": 111.8,
    "PO4": 1.45,
    "SiOH4": 22.21,
    "NO3_NO2": 18.25,
    "NO2": 0.22,
    "NH4": 0.11,
    "NO3": 18.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.736, 59.6701] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "CCSE2",
    "water_depth": 113,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "2021",
    "depth": 2.2,
    "PO4": 1.22,
    "SiOH4": 22.04,
    "NO3_NO2": 16.58,
    "NO2": 0.17,
    "NH4": 0.08,
    "NO3": 16.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.736, 59.6701] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "CCSE2",
    "water_depth": 113,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "2021",
    "depth": 5.1,
    "PO4": 1.28,
    "SiOH4": 22.53,
    "NO3_NO2": 16.59,
    "NO2": 0.18,
    "NH4": 0.22,
    "NO3": 16.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.736, 59.6701] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "CCSE2",
    "water_depth": 113,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "2021",
    "depth": 8.1,
    "PO4": 1.29,
    "SiOH4": 22.63,
    "NO3_NO2": 16.51,
    "NO2": 0.17,
    "NH4": 0.14,
    "NO3": 16.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.736, 59.6701] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "CCSE2",
    "water_depth": 113,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "2021",
    "depth": 13.6,
    "PO4": 1.29,
    "SiOH4": 21.73,
    "NO3_NO2": 16.76,
    "NO2": 0.2,
    "NH4": 0.24,
    "NO3": 16.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.736, 59.6701] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "CCSE2",
    "water_depth": 113,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "2021",
    "depth": 19.6,
    "PO4": 1.34,
    "SiOH4": 22.33,
    "NO3_NO2": 17.35,
    "NO2": 0.14,
    "NH4": 0.68,
    "NO3": 17.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.736, 59.6701] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "CCSE2",
    "water_depth": 113,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "2021",
    "depth": 29.8,
    "PO4": 1.39,
    "SiOH4": 23.08,
    "NO3_NO2": 18.06,
    "NO2": 0.14,
    "NH4": 0.49,
    "NO3": 17.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8179, 59.7417] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 77,
    "stn_id": "CCSE1",
    "water_depth": 64,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "2059",
    "depth": 2.1,
    "PO4": 1.09,
    "SiOH4": 19.64,
    "NO3_NO2": 14.2,
    "NO2": 0.17,
    "NH4": 0.27,
    "NO3": 14.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8179, 59.7417] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 77,
    "stn_id": "CCSE1",
    "water_depth": 64,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "2059",
    "depth": 9.6,
    "PO4": 1.2,
    "SiOH4": 20.07,
    "NO3_NO2": 15.45,
    "NO2": 0.11,
    "NH4": 0.32,
    "NO3": 15.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8179, 59.7417] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 77,
    "stn_id": "CCSE1",
    "water_depth": 64,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "2059",
    "depth": 15.3,
    "PO4": 1.31,
    "SiOH4": 21.6,
    "NO3_NO2": 16.77,
    "NO2": 0.1,
    "NH4": 0.81,
    "NO3": 16.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8179, 59.7417] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 77,
    "stn_id": "CCSE1",
    "water_depth": 64,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "2059",
    "depth": 20.0,
    "PO4": 1.37,
    "SiOH4": 22.09,
    "NO3_NO2": 17.09,
    "NO2": 0.11,
    "NH4": 0.86,
    "NO3": 16.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8179, 59.7417] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 77,
    "stn_id": "CCSE1",
    "water_depth": 64,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "2059",
    "depth": 29.7,
    "PO4": 1.4,
    "SiOH4": 22.98,
    "NO3_NO2": 17.63,
    "NO2": 0.12,
    "NH4": 1.08,
    "NO3": 17.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8179, 59.7417] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 77,
    "stn_id": "CCSE1",
    "water_depth": 64,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "2059",
    "depth": 40.1,
    "PO4": 1.41,
    "SiOH4": 22.73,
    "NO3_NO2": 17.61,
    "NO2": 0.12,
    "NH4": 1.05,
    "NO3": 17.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8179, 59.7417] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 77,
    "stn_id": "CCSE1",
    "water_depth": 64,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "2059",
    "depth": 49.3,
    "PO4": 1.4,
    "SiOH4": 22.66,
    "NO3_NO2": 17.95,
    "NO2": 0.14,
    "NH4": 0.89,
    "NO3": 17.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8179, 59.7417] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 77,
    "stn_id": "CCSE1",
    "water_depth": 64,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "2059",
    "depth": 60.2,
    "PO4": 1.39,
    "SiOH4": 22.76,
    "NO3_NO2": 17.67,
    "NO2": 0.16,
    "NH4": 1.08,
    "NO3": 17.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1369, 59.9] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "AHC3",
    "water_depth": 229,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "2331",
    "depth": 2.7,
    "PO4": 1.49,
    "SiOH4": 23.43,
    "NO3_NO2": 18.32,
    "NO2": 0.25,
    "NH4": 0.34,
    "NO3": 18.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1369, 59.9] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "AHC3",
    "water_depth": 229,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "2331",
    "depth": 12.3,
    "PO4": 1.52,
    "SiOH4": 23.98,
    "NO3_NO2": 18.78,
    "NO2": 0.24,
    "NH4": 0.39,
    "NO3": 18.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1369, 59.9] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "AHC3",
    "water_depth": 229,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "2331",
    "depth": 20.2,
    "PO4": 1.52,
    "SiOH4": 24.13,
    "NO3_NO2": 18.92,
    "NO2": 0.26,
    "NH4": 0.42,
    "NO3": 18.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1369, 59.9] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "AHC3",
    "water_depth": 229,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "2331",
    "depth": 29.6,
    "PO4": 1.56,
    "SiOH4": 24.46,
    "NO3_NO2": 19.63,
    "NO2": 0.31,
    "NH4": 0.47,
    "NO3": 19.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1369, 59.9] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "AHC3",
    "water_depth": 229,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "2331",
    "depth": 41.6,
    "PO4": 1.56,
    "SiOH4": 24.2,
    "NO3_NO2": 19.66,
    "NO2": 0.28,
    "NH4": 0.42,
    "NO3": 19.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1369, 59.9] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "AHC3",
    "water_depth": 229,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "2331",
    "depth": 51.7,
    "PO4": 1.56,
    "SiOH4": 24.14,
    "NO3_NO2": 19.78,
    "NO2": 0.27,
    "NH4": 0.44,
    "NO3": 19.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1369, 59.9] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "AHC3",
    "water_depth": 229,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "2331",
    "depth": 77.7,
    "PO4": 1.55,
    "SiOH4": 24.05,
    "NO3_NO2": 19.67,
    "NO2": 0.28,
    "NH4": 0.39,
    "NO3": 19.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1369, 59.9] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "AHC3",
    "water_depth": 229,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "2331",
    "depth": 100.8,
    "PO4": 1.55,
    "SiOH4": 24.19,
    "NO3_NO2": 20.32,
    "NO2": 0.29,
    "NH4": 0.16,
    "NO3": 20.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1369, 59.9] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "AHC3",
    "water_depth": 229,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "2331",
    "depth": 124.4,
    "PO4": 1.55,
    "SiOH4": 23.5,
    "NO3_NO2": 20.15,
    "NO2": 0.34,
    "NH4": 0.26,
    "NO3": 19.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1369, 59.9] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "AHC3",
    "water_depth": 229,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "2331",
    "depth": 147.8,
    "PO4": 1.5,
    "SiOH4": 21.85,
    "NO3_NO2": 19.33,
    "NO2": 0.33,
    "NH4": 0.36,
    "NO3": 19.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1369, 59.9] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "AHC3",
    "water_depth": 229,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "2331",
    "depth": 172.4,
    "PO4": 1.54,
    "SiOH4": 22.21,
    "NO3_NO2": 20.16,
    "NO2": 0.33,
    "NH4": 0.31,
    "NO3": 19.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1369, 59.9] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "AHC3",
    "water_depth": 229,
    "month_gmt": "05",
    "day_gmt": "10",
    "time_gmt": "2331",
    "depth": 225.3,
    "PO4": 1.91,
    "SiOH4": 29.6,
    "NO3_NO2": 26.24,
    "NO2": 0.22,
    "NH4": 0.29,
    "NO3": 26.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.8003] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 79,
    "stn_id": "AHC4",
    "water_depth": 205,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "0025",
    "depth": 2.6,
    "PO4": 1.28,
    "SiOH4": 22.93,
    "NO3_NO2": 17.2,
    "NO2": 0.26,
    "NH4": 0.26,
    "NO3": 16.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.8003] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 79,
    "stn_id": "AHC4",
    "water_depth": 205,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "0025",
    "depth": 9.6,
    "PO4": 1.29,
    "SiOH4": 22.58,
    "NO3_NO2": 16.93,
    "NO2": 0.29,
    "NH4": 0.29,
    "NO3": 16.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.8003] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 79,
    "stn_id": "AHC4",
    "water_depth": 205,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "0025",
    "depth": 22.7,
    "PO4": 1.3,
    "SiOH4": 21.67,
    "NO3_NO2": 16.35,
    "NO2": 0.3,
    "NH4": 0.44,
    "NO3": 16.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.8003] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 79,
    "stn_id": "AHC4",
    "water_depth": 205,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "0025",
    "depth": 31.7,
    "PO4": 1.28,
    "SiOH4": 20.74,
    "NO3_NO2": 16.03,
    "NO2": 0.34,
    "NH4": 0.26,
    "NO3": 15.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.8003] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 79,
    "stn_id": "AHC4",
    "water_depth": 205,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "0025",
    "depth": 41.2,
    "PO4": 1.28,
    "SiOH4": 20.85,
    "NO3_NO2": 16.3,
    "NO2": 0.31,
    "NH4": 0.31,
    "NO3": 15.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.8003] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 79,
    "stn_id": "AHC4",
    "water_depth": 205,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "0025",
    "depth": 53.4,
    "PO4": 1.33,
    "SiOH4": 21.02,
    "NO3_NO2": 16.84,
    "NO2": 0.35,
    "NH4": 0.39,
    "NO3": 16.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.8003] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 79,
    "stn_id": "AHC4",
    "water_depth": 205,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "0025",
    "depth": 74.8,
    "PO4": 1.33,
    "SiOH4": 21.13,
    "NO3_NO2": 16.91,
    "NO2": 0.37,
    "NH4": 0.36,
    "NO3": 16.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.8003] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 79,
    "stn_id": "AHC4",
    "water_depth": 205,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "0025",
    "depth": 102.9,
    "PO4": 1.41,
    "SiOH4": 21.56,
    "NO3_NO2": 17.79,
    "NO2": 0.34,
    "NH4": 0.39,
    "NO3": 17.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.8003] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 79,
    "stn_id": "AHC4",
    "water_depth": 205,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "0025",
    "depth": 123.5,
    "PO4": 1.46,
    "SiOH4": 21.97,
    "NO3_NO2": 18.93,
    "NO2": 0.33,
    "NH4": 0.29,
    "NO3": 18.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.8003] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 79,
    "stn_id": "AHC4",
    "water_depth": 205,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "0025",
    "depth": 150.0,
    "PO4": 1.47,
    "SiOH4": 21.77,
    "NO3_NO2": 19.41,
    "NO2": 0.29,
    "NH4": 0.49,
    "NO3": 19.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.8003] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 79,
    "stn_id": "AHC4",
    "water_depth": 205,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "0025",
    "depth": 175.7,
    "PO4": 1.55,
    "SiOH4": 22.36,
    "NO3_NO2": 20.31,
    "NO2": 0.25,
    "NH4": 0.29,
    "NO3": 20.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.8003] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 79,
    "stn_id": "AHC4",
    "water_depth": 205,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "0025",
    "depth": 201.6,
    "PO4": 1.76,
    "SiOH4": 26.91,
    "NO3_NO2": 23.92,
    "NO2": 0.21,
    "NH4": 0.18,
    "NO3": 23.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.3012] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 80,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2030",
    "depth": 2.7,
    "PO4": 1.41,
    "SiOH4": 18.57,
    "NO3_NO2": 13.09,
    "NO2": 0.13,
    "NH4": 0.16,
    "NO3": 12.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.3012] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 80,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2030",
    "depth": 10.3,
    "PO4": 1.39,
    "SiOH4": 18.51,
    "NO3_NO2": 13.64,
    "NO2": 0.13,
    "NH4": 0.07,
    "NO3": 13.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.3012] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 80,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2030",
    "depth": 19.3,
    "PO4": 1.35,
    "SiOH4": 18.57,
    "NO3_NO2": 13.67,
    "NO2": 0.18,
    "NH4": 0.07,
    "NO3": 13.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.3012] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 80,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2030",
    "depth": 30.3,
    "PO4": 1.32,
    "SiOH4": 18.71,
    "NO3_NO2": 13.88,
    "NO2": 0.13,
    "NH4": 0.16,
    "NO3": 13.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.3012] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 80,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2030",
    "depth": 39.5,
    "PO4": 1.27,
    "SiOH4": 18.73,
    "NO3_NO2": 14.88,
    "NO2": 0.1,
    "NH4": 0.49,
    "NO3": 14.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.3012] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 80,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2030",
    "depth": 51.5,
    "PO4": 1.36,
    "SiOH4": 18.83,
    "NO3_NO2": 15.1,
    "NO2": 0.28,
    "NH4": 0.47,
    "NO3": 14.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.3012] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 80,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2030",
    "depth": 76.7,
    "PO4": 1.43,
    "SiOH4": 19.15,
    "NO3_NO2": 16.91,
    "NO2": 0.3,
    "NH4": 0.21,
    "NO3": 16.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.3012] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 80,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2030",
    "depth": 101.5,
    "PO4": 1.44,
    "SiOH4": 18.62,
    "NO3_NO2": 17.77,
    "NO2": 0.25,
    "NH4": 0.12,
    "NO3": 17.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.3012] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 80,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2030",
    "depth": 127.3,
    "PO4": 1.51,
    "SiOH4": 20.07,
    "NO3_NO2": 18.67,
    "NO2": 0.2,
    "NH4": 0.12,
    "NO3": 18.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.3012] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 80,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2030",
    "depth": 150.0,
    "PO4": 1.55,
    "SiOH4": 21.53,
    "NO3_NO2": 19.39,
    "NO2": 0.05,
    "NH4": 0.14,
    "NO3": 19.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.3012] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 80,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2030",
    "depth": 175.3,
    "PO4": 1.6,
    "SiOH4": 23.25,
    "NO3_NO2": 20.95,
    "NO2": 0.08,
    "NH4": 0.14,
    "NO3": 20.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.3012] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 80,
    "stn_id": "AHC9",
    "water_depth": 195,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2030",
    "depth": 190.0,
    "PO4": 1.78,
    "SiOH4": 28.16,
    "NO3_NO2": 24.54,
    "NO2": 0.08,
    "NH4": 0.14,
    "NO3": 24.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.073, 59.4007] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "AHC8",
    "water_depth": 203,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2122",
    "depth": 2.1,
    "PO4": 1.04,
    "SiOH4": 22.48,
    "NO3_NO2": 14.08,
    "NO2": 0.25,
    "NH4": 0.19,
    "NO3": 13.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.073, 59.4007] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "AHC8",
    "water_depth": 203,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2122",
    "depth": 9.0,
    "PO4": 1.1,
    "SiOH4": 22.75,
    "NO3_NO2": 14.23,
    "NO2": 0.28,
    "NH4": 0.21,
    "NO3": 13.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.073, 59.4007] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "AHC8",
    "water_depth": 203,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2122",
    "depth": 20.2,
    "PO4": 1.22,
    "SiOH4": 23.1,
    "NO3_NO2": 15.27,
    "NO2": 0.15,
    "NH4": 0.26,
    "NO3": 15.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.073, 59.4007] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "AHC8",
    "water_depth": 203,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2122",
    "depth": 30.0,
    "PO4": 1.23,
    "SiOH4": 23.31,
    "NO3_NO2": 15.53,
    "NO2": 0.15,
    "NH4": 0.28,
    "NO3": 15.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.073, 59.4007] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "AHC8",
    "water_depth": 203,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2122",
    "depth": 40.1,
    "PO4": 1.26,
    "SiOH4": 23.45,
    "NO3_NO2": 15.87,
    "NO2": 0.2,
    "NH4": 0.3,
    "NO3": 15.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.073, 59.4007] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "AHC8",
    "water_depth": 203,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2122",
    "depth": 50.7,
    "PO4": 1.28,
    "SiOH4": 23.6,
    "NO3_NO2": 15.64,
    "NO2": 0.18,
    "NH4": 0.4,
    "NO3": 15.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.073, 59.4007] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "AHC8",
    "water_depth": 203,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2122",
    "depth": 74.6,
    "PO4": 1.29,
    "SiOH4": 23.46,
    "NO3_NO2": 16.56,
    "NO2": 0.35,
    "NH4": 0.16,
    "NO3": 16.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.073, 59.4007] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "AHC8",
    "water_depth": 203,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2122",
    "depth": 125.5,
    "PO4": 1.43,
    "SiOH4": 24.63,
    "NO3_NO2": 18.61,
    "NO2": 0.28,
    "NH4": 0.23,
    "NO3": 18.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.073, 59.4007] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "AHC8",
    "water_depth": 203,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2122",
    "depth": 149.2,
    "PO4": 1.44,
    "SiOH4": 25.05,
    "NO3_NO2": 18.95,
    "NO2": 0.35,
    "NH4": 0.21,
    "NO3": 18.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.073, 59.4007] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "AHC8",
    "water_depth": 203,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2122",
    "depth": 175.2,
    "PO4": 1.51,
    "SiOH4": 26.19,
    "NO3_NO2": 18.44,
    "NO2": 0.4,
    "NH4": 0.09,
    "NO3": 18.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.073, 59.4007] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "AHC8",
    "water_depth": 203,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2122",
    "depth": 200.8,
    "PO4": 1.84,
    "SiOH4": 33.43,
    "NO3_NO2": 24.34,
    "NO2": 0.43,
    "NH4": 0.02,
    "NO3": 23.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0725, 59.5007] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "AHC7",
    "water_depth": 223,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2212",
    "depth": 3.2,
    "PO4": 1.49,
    "SiOH4": 21.58,
    "NO3_NO2": 14.89,
    "NO2": 0.1,
    "NH4": 0.36,
    "NO3": 14.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0725, 59.5007] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "AHC7",
    "water_depth": 223,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2212",
    "depth": 10.1,
    "PO4": 1.46,
    "SiOH4": 21.85,
    "NO3_NO2": 15.33,
    "NO2": 0.15,
    "NH4": 0.19,
    "NO3": 15.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0725, 59.5007] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "AHC7",
    "water_depth": 223,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2212",
    "depth": 20.0,
    "PO4": 1.5,
    "SiOH4": 22.14,
    "NO3_NO2": 16.24,
    "NO2": 0.15,
    "NH4": 0.44,
    "NO3": 16.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0725, 59.5007] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "AHC7",
    "water_depth": 223,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2212",
    "depth": 29.8,
    "PO4": 1.54,
    "SiOH4": 22.29,
    "NO3_NO2": 16.65,
    "NO2": 0.16,
    "NH4": 0.45,
    "NO3": 16.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0725, 59.5007] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "AHC7",
    "water_depth": 223,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2212",
    "depth": 40.3,
    "PO4": 1.54,
    "SiOH4": 22.41,
    "NO3_NO2": 17.03,
    "NO2": 0.11,
    "NH4": 0.45,
    "NO3": 16.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0725, 59.5007] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "AHC7",
    "water_depth": 223,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2212",
    "depth": 51.2,
    "PO4": 1.56,
    "SiOH4": 22.55,
    "NO3_NO2": 17.33,
    "NO2": 0.07,
    "NH4": 0.38,
    "NO3": 17.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0725, 59.5007] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "AHC7",
    "water_depth": 223,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2212",
    "depth": 74.7,
    "PO4": 1.56,
    "SiOH4": 22.51,
    "NO3_NO2": 17.69,
    "NO2": 0.04,
    "NH4": 0.23,
    "NO3": 17.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0725, 59.5007] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "AHC7",
    "water_depth": 223,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2212",
    "depth": 126.7,
    "PO4": 1.57,
    "SiOH4": 22.49,
    "NO3_NO2": 18.59,
    "NO2": 0.03,
    "NH4": 0.14,
    "NO3": 18.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0725, 59.5007] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "AHC7",
    "water_depth": 223,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2212",
    "depth": 151.1,
    "PO4": 1.58,
    "SiOH4": 22.09,
    "NO3_NO2": 18.71,
    "NO2": 0.08,
    "NH4": 0.14,
    "NO3": 18.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0725, 59.5007] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "AHC7",
    "water_depth": 223,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2212",
    "depth": 175.9,
    "PO4": 1.6,
    "SiOH4": 21.96,
    "NO3_NO2": 18.99,
    "NO2": 0.16,
    "NH4": 0.06,
    "NO3": 18.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0725, 59.5007] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "AHC7",
    "water_depth": 223,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2212",
    "depth": 215.9,
    "PO4": 1.62,
    "SiOH4": 23.65,
    "NO3_NO2": 20.55,
    "NO2": 0.19,
    "NH4": 0.01,
    "NO3": 20.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.601] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 83,
    "stn_id": "AHC6",
    "water_depth": 208,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2304",
    "depth": 2.4,
    "PO4": 1.2,
    "SiOH4": 20.85,
    "NO3_NO2": 14.26,
    "NO2": 0.14,
    "NH4": 0.08,
    "NO3": 14.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.601] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 83,
    "stn_id": "AHC6",
    "water_depth": 208,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2304",
    "depth": 9.5,
    "PO4": 1.29,
    "SiOH4": 20.62,
    "NO3_NO2": 14.74,
    "NO2": 0.18,
    "NH4": 0.15,
    "NO3": 14.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.601] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 83,
    "stn_id": "AHC6",
    "water_depth": 208,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2304",
    "depth": 19.8,
    "PO4": 1.33,
    "SiOH4": 20.42,
    "NO3_NO2": 15.39,
    "NO2": 0.2,
    "NH4": 0.42,
    "NO3": 15.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.601] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 83,
    "stn_id": "AHC6",
    "water_depth": 208,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2304",
    "depth": 30.2,
    "PO4": 1.34,
    "SiOH4": 19.99,
    "NO3_NO2": 15.23,
    "NO2": 0.15,
    "NH4": 0.41,
    "NO3": 15.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.601] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 83,
    "stn_id": "AHC6",
    "water_depth": 208,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2304",
    "depth": 39.8,
    "PO4": 1.31,
    "SiOH4": 19.62,
    "NO3_NO2": 14.79,
    "NO2": 0.21,
    "NH4": 0.36,
    "NO3": 14.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.601] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 83,
    "stn_id": "AHC6",
    "water_depth": 208,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2304",
    "depth": 50.6,
    "PO4": 1.33,
    "SiOH4": 19.4,
    "NO3_NO2": 14.99,
    "NO2": 0.23,
    "NH4": 0.3,
    "NO3": 14.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.601] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 83,
    "stn_id": "AHC6",
    "water_depth": 208,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2304",
    "depth": 75.4,
    "PO4": 1.34,
    "SiOH4": 19.42,
    "NO3_NO2": 15.29,
    "NO2": 0.23,
    "NH4": 0.3,
    "NO3": 15.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.601] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 83,
    "stn_id": "AHC6",
    "water_depth": 208,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2304",
    "depth": 100.2,
    "PO4": 1.41,
    "SiOH4": 19.12,
    "NO3_NO2": 16.11,
    "NO2": 0.22,
    "NH4": 0.2,
    "NO3": 15.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.601] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 83,
    "stn_id": "AHC6",
    "water_depth": 208,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2304",
    "depth": 150.0,
    "PO4": 1.67,
    "SiOH4": 21.34,
    "NO3_NO2": 20.4,
    "NO2": 0.12,
    "NH4": 0.01,
    "NO3": 20.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.601] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 83,
    "stn_id": "AHC6",
    "water_depth": 208,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2304",
    "depth": 175.3,
    "PO4": 1.86,
    "SiOH4": 25.48,
    "NO3_NO2": 23.66,
    "NO2": 0.12,
    "NH4": 0.01,
    "NO3": 23.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0731, 59.601] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 83,
    "stn_id": "AHC6",
    "water_depth": 208,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2304",
    "depth": 205.9,
    "PO4": 2.03,
    "SiOH4": 27.41,
    "NO3_NO2": 25.14,
    "NO2": 0.15,
    "NH4": 0.01,
    "NO3": 24.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0746, 59.7013] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 84,
    "stn_id": "AHC5",
    "water_depth": 210,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2352",
    "depth": 2.3,
    "PO4": 1.44,
    "SiOH4": 20.66,
    "NO3_NO2": 14.89,
    "NO2": 0.22,
    "NH4": 0.29,
    "NO3": 14.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0746, 59.7013] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 84,
    "stn_id": "AHC5",
    "water_depth": 210,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2352",
    "depth": 9.5,
    "PO4": 1.4,
    "SiOH4": 20.9,
    "NO3_NO2": 15.1,
    "NO2": 0.24,
    "NH4": 0.36,
    "NO3": 14.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0746, 59.7013] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 84,
    "stn_id": "AHC5",
    "water_depth": 210,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2352",
    "depth": 20.6,
    "PO4": 1.42,
    "SiOH4": 21.61,
    "NO3_NO2": 15.75,
    "NO2": 0.2,
    "NH4": 0.3,
    "NO3": 15.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0746, 59.7013] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 84,
    "stn_id": "AHC5",
    "water_depth": 210,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2352",
    "depth": 30.3,
    "PO4": 1.43,
    "SiOH4": 21.87,
    "NO3_NO2": 15.4,
    "NO2": 0.16,
    "NH4": 0.19,
    "NO3": 15.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0746, 59.7013] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 84,
    "stn_id": "AHC5",
    "water_depth": 210,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2352",
    "depth": 40.7,
    "PO4": 1.41,
    "SiOH4": 21.43,
    "NO3_NO2": 15.44,
    "NO2": 0.16,
    "NH4": 0.12,
    "NO3": 15.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0746, 59.7013] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 84,
    "stn_id": "AHC5",
    "water_depth": 210,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2352",
    "depth": 51.9,
    "PO4": 1.45,
    "SiOH4": 21.73,
    "NO3_NO2": 16.27,
    "NO2": 0.14,
    "NH4": 0.23,
    "NO3": 16.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0746, 59.7013] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 84,
    "stn_id": "AHC5",
    "water_depth": 210,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2352",
    "depth": 75.5,
    "PO4": 1.48,
    "SiOH4": 22.17,
    "NO3_NO2": 17.92,
    "NO2": 0.07,
    "NH4": 0.15,
    "NO3": 17.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0746, 59.7013] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 84,
    "stn_id": "AHC5",
    "water_depth": 210,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2352",
    "depth": 97.8,
    "PO4": 1.55,
    "SiOH4": 22.56,
    "NO3_NO2": 18.98,
    "NO2": 0.0,
    "NH4": 0.01,
    "NO3": 18.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0746, 59.7013] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 84,
    "stn_id": "AHC5",
    "water_depth": 210,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2352",
    "depth": 123.3,
    "PO4": 1.57,
    "SiOH4": 23.45,
    "NO3_NO2": 19.42,
    "NO2": 0.07,
    "NH4": 0.01,
    "NO3": 19.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0746, 59.7013] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 84,
    "stn_id": "AHC5",
    "water_depth": 210,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2352",
    "depth": 150.7,
    "PO4": 1.64,
    "SiOH4": 24.45,
    "NO3_NO2": 20.42,
    "NO2": 0.09,
    "NH4": 0.01,
    "NO3": 20.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0746, 59.7013] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 84,
    "stn_id": "AHC5",
    "water_depth": 210,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2352",
    "depth": 176.4,
    "PO4": 1.67,
    "SiOH4": 25.47,
    "NO3_NO2": 21.45,
    "NO2": 0.06,
    "NH4": 0.01,
    "NO3": 21.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0746, 59.7013] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 84,
    "stn_id": "AHC5",
    "water_depth": 210,
    "month_gmt": "05",
    "day_gmt": "11",
    "time_gmt": "2352",
    "depth": 205.9,
    "PO4": 1.89,
    "SiOH4": 30.42,
    "NO3_NO2": 24.72,
    "NO2": 0.09,
    "NH4": 0.01,
    "NO3": 24.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1332, 59.9998] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "AHC2",
    "water_depth": 203,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0219",
    "depth": 1.8,
    "PO4": 1.34,
    "SiOH4": 23.97,
    "NO3_NO2": 16.51,
    "NO2": 0.19,
    "NH4": 0.31,
    "NO3": 16.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1332, 59.9998] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "AHC2",
    "water_depth": 203,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0219",
    "depth": 10.9,
    "PO4": 1.48,
    "SiOH4": 24.88,
    "NO3_NO2": 17.51,
    "NO2": 0.21,
    "NH4": 0.59,
    "NO3": 17.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1332, 59.9998] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "AHC2",
    "water_depth": 203,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0219",
    "depth": 21.0,
    "PO4": 1.45,
    "SiOH4": 25.13,
    "NO3_NO2": 17.84,
    "NO2": 0.2,
    "NH4": 0.53,
    "NO3": 17.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1332, 59.9998] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "AHC2",
    "water_depth": 203,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0219",
    "depth": 32.0,
    "PO4": 1.48,
    "SiOH4": 25.31,
    "NO3_NO2": 17.59,
    "NO2": 0.22,
    "NH4": 0.53,
    "NO3": 17.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1332, 59.9998] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "AHC2",
    "water_depth": 203,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0219",
    "depth": 42.3,
    "PO4": 1.5,
    "SiOH4": 25.15,
    "NO3_NO2": 18.29,
    "NO2": 0.15,
    "NH4": 0.5,
    "NO3": 18.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1332, 59.9998] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "AHC2",
    "water_depth": 203,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0219",
    "depth": 52.4,
    "PO4": 1.52,
    "SiOH4": 25.47,
    "NO3_NO2": 18.57,
    "NO2": 0.14,
    "NH4": 0.54,
    "NO3": 18.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1332, 59.9998] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "AHC2",
    "water_depth": 203,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0219",
    "depth": 77.7,
    "PO4": 1.52,
    "SiOH4": 25.54,
    "NO3_NO2": 18.53,
    "NO2": 0.19,
    "NH4": 0.38,
    "NO3": 18.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1332, 59.9998] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "AHC2",
    "water_depth": 203,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0219",
    "depth": 104.2,
    "PO4": 1.42,
    "SiOH4": 23.73,
    "NO3_NO2": 17.15,
    "NO2": 0.24,
    "NH4": 0.13,
    "NO3": 16.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1332, 59.9998] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "AHC2",
    "water_depth": 203,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0219",
    "depth": 125.6,
    "PO4": 1.4,
    "SiOH4": 23.03,
    "NO3_NO2": 16.42,
    "NO2": 0.23,
    "NH4": 0.08,
    "NO3": 16.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1332, 59.9998] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "AHC2",
    "water_depth": 203,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0219",
    "depth": 150.6,
    "PO4": 1.5,
    "SiOH4": 23.05,
    "NO3_NO2": 17.84,
    "NO2": 0.25,
    "NH4": 0.18,
    "NO3": 17.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1332, 59.9998] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "AHC2",
    "water_depth": 203,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0219",
    "depth": 174.5,
    "PO4": 1.55,
    "SiOH4": 22.92,
    "NO3_NO2": 18.4,
    "NO2": 0.25,
    "NH4": 0.26,
    "NO3": 18.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1332, 59.9998] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 86,
    "stn_id": "AHC2",
    "water_depth": 203,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0219",
    "depth": 198.4,
    "PO4": 1.81,
    "SiOH4": 28.0,
    "NO3_NO2": 23.15,
    "NO2": 0.14,
    "NH4": 0.03,
    "NO3": 23.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.191, 60.1425] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 87,
    "stn_id": "HE12",
    "water_depth": 178,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0332",
    "depth": 1.8,
    "PO4": 1.6,
    "SiOH4": 23.34,
    "NO3_NO2": 16.12,
    "NO2": 0.26,
    "NH4": 0.49,
    "NO3": 15.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.191, 60.1425] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 87,
    "stn_id": "HE12",
    "water_depth": 178,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0332",
    "depth": 11.6,
    "PO4": 1.52,
    "SiOH4": 23.45,
    "NO3_NO2": 16.11,
    "NO2": 0.28,
    "NH4": 0.46,
    "NO3": 15.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.191, 60.1425] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 87,
    "stn_id": "HE12",
    "water_depth": 178,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0332",
    "depth": 20.4,
    "PO4": 1.49,
    "SiOH4": 23.4,
    "NO3_NO2": 16.12,
    "NO2": 0.28,
    "NH4": 0.33,
    "NO3": 15.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.191, 60.1425] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 87,
    "stn_id": "HE12",
    "water_depth": 178,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0332",
    "depth": 30.5,
    "PO4": 1.5,
    "SiOH4": 23.32,
    "NO3_NO2": 16.2,
    "NO2": 0.3,
    "NH4": 0.33,
    "NO3": 15.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.191, 60.1425] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 87,
    "stn_id": "HE12",
    "water_depth": 178,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0332",
    "depth": 40.5,
    "PO4": 1.46,
    "SiOH4": 23.4,
    "NO3_NO2": 16.19,
    "NO2": 0.26,
    "NH4": 0.21,
    "NO3": 15.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.191, 60.1425] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 87,
    "stn_id": "HE12",
    "water_depth": 178,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0332",
    "depth": 49.0,
    "PO4": 1.49,
    "SiOH4": 23.76,
    "NO3_NO2": 16.69,
    "NO2": 0.25,
    "NH4": 0.36,
    "NO3": 16.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.191, 60.1425] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 87,
    "stn_id": "HE12",
    "water_depth": 178,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0332",
    "depth": 75.2,
    "PO4": 1.53,
    "SiOH4": 23.72,
    "NO3_NO2": 17.0,
    "NO2": 0.25,
    "NH4": 0.38,
    "NO3": 16.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.191, 60.1425] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 87,
    "stn_id": "HE12",
    "water_depth": 178,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0332",
    "depth": 99.5,
    "PO4": 1.52,
    "SiOH4": 23.47,
    "NO3_NO2": 17.39,
    "NO2": 0.27,
    "NH4": 0.31,
    "NO3": 17.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.191, 60.1425] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 87,
    "stn_id": "HE12",
    "water_depth": 178,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0332",
    "depth": 123.3,
    "PO4": 1.56,
    "SiOH4": 23.42,
    "NO3_NO2": 17.88,
    "NO2": 0.25,
    "NH4": 0.26,
    "NO3": 17.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.191, 60.1425] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 87,
    "stn_id": "HE12",
    "water_depth": 178,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0332",
    "depth": 150.5,
    "PO4": 1.58,
    "SiOH4": 23.44,
    "NO3_NO2": 18.16,
    "NO2": 0.21,
    "NH4": 0.49,
    "NO3": 17.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.191, 60.1425] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 87,
    "stn_id": "HE12",
    "water_depth": 178,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0332",
    "depth": 175.9,
    "PO4": 1.6,
    "SiOH4": 22.96,
    "NO3_NO2": 18.83,
    "NO2": 0.24,
    "NH4": 0.23,
    "NO3": 18.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1348, 60.1292] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 88,
    "stn_id": "HE11",
    "water_depth": 222,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0358",
    "depth": 2.3,
    "PO4": 1.3,
    "SiOH4": 20.58,
    "NO3_NO2": 14.8,
    "NO2": 0.21,
    "NH4": 0.38,
    "NO3": 14.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1348, 60.1292] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 88,
    "stn_id": "HE11",
    "water_depth": 222,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0358",
    "depth": 10.4,
    "PO4": 1.36,
    "SiOH4": 21.43,
    "NO3_NO2": 15.33,
    "NO2": 0.14,
    "NH4": 0.28,
    "NO3": 15.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1348, 60.1292] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 88,
    "stn_id": "HE11",
    "water_depth": 222,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0358",
    "depth": 21.0,
    "PO4": 1.42,
    "SiOH4": 22.2,
    "NO3_NO2": 15.97,
    "NO2": 0.35,
    "NH4": 0.21,
    "NO3": 15.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1348, 60.1292] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 88,
    "stn_id": "HE11",
    "water_depth": 222,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0358",
    "depth": 31.3,
    "PO4": 1.45,
    "SiOH4": 22.54,
    "NO3_NO2": 16.94,
    "NO2": 0.34,
    "NH4": 0.33,
    "NO3": 16.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1348, 60.1292] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 88,
    "stn_id": "HE11",
    "water_depth": 222,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0358",
    "depth": 41.4,
    "PO4": 1.47,
    "SiOH4": 22.61,
    "NO3_NO2": 16.61,
    "NO2": 0.34,
    "NH4": 0.41,
    "NO3": 16.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1348, 60.1292] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 88,
    "stn_id": "HE11",
    "water_depth": 222,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0358",
    "depth": 53.3,
    "PO4": 1.5,
    "SiOH4": 24.23,
    "NO3_NO2": 17.14,
    "NO2": 0.32,
    "NH4": 0.41,
    "NO3": 16.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1348, 60.1292] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 88,
    "stn_id": "HE11",
    "water_depth": 222,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0358",
    "depth": 76.8,
    "PO4": 1.51,
    "SiOH4": 24.55,
    "NO3_NO2": 17.74,
    "NO2": 0.28,
    "NH4": 0.36,
    "NO3": 17.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1348, 60.1292] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 88,
    "stn_id": "HE11",
    "water_depth": 222,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0358",
    "depth": 101.9,
    "PO4": 1.58,
    "SiOH4": 25.28,
    "NO3_NO2": 18.81,
    "NO2": 0.24,
    "NH4": 0.36,
    "NO3": 18.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1348, 60.1292] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 88,
    "stn_id": "HE11",
    "water_depth": 222,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0358",
    "depth": 123.8,
    "PO4": 1.58,
    "SiOH4": 24.51,
    "NO3_NO2": 18.59,
    "NO2": 0.27,
    "NH4": 0.33,
    "NO3": 18.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1348, 60.1292] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 88,
    "stn_id": "HE11",
    "water_depth": 222,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0358",
    "depth": 154.8,
    "PO4": 1.61,
    "SiOH4": 23.88,
    "NO3_NO2": 18.73,
    "NO2": 0.27,
    "NH4": 0.33,
    "NO3": 18.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1348, 60.1292] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 88,
    "stn_id": "HE11",
    "water_depth": 222,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0358",
    "depth": 172.2,
    "PO4": 1.61,
    "SiOH4": 23.85,
    "NO3_NO2": 19.03,
    "NO2": 0.24,
    "NH4": 0.33,
    "NO3": 18.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1348, 60.1292] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 88,
    "stn_id": "HE11",
    "water_depth": 222,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0358",
    "depth": 214.7,
    "PO4": 1.77,
    "SiOH4": 23.79,
    "NO3_NO2": 21.13,
    "NO2": 0.21,
    "NH4": 0.23,
    "NO3": 20.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0487, 60.1095] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 89,
    "stn_id": "HE10",
    "water_depth": 278,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0431",
    "depth": 2.1,
    "PO4": 1.59,
    "SiOH4": 23.96,
    "NO3_NO2": 17.76,
    "NO2": 0.21,
    "NH4": 0.25,
    "NO3": 17.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0487, 60.1095] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 89,
    "stn_id": "HE10",
    "water_depth": 278,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0431",
    "depth": 10.6,
    "PO4": 1.54,
    "SiOH4": 24.48,
    "NO3_NO2": 18.41,
    "NO2": 0.22,
    "NH4": 0.34,
    "NO3": 18.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0487, 60.1095] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 89,
    "stn_id": "HE10",
    "water_depth": 278,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0431",
    "depth": 21.1,
    "PO4": 1.53,
    "SiOH4": 24.93,
    "NO3_NO2": 18.65,
    "NO2": 0.24,
    "NH4": 0.35,
    "NO3": 18.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0487, 60.1095] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 89,
    "stn_id": "HE10",
    "water_depth": 278,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0431",
    "depth": 30.6,
    "PO4": 1.53,
    "SiOH4": 24.92,
    "NO3_NO2": 18.7,
    "NO2": 0.26,
    "NH4": 0.35,
    "NO3": 18.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0487, 60.1095] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 89,
    "stn_id": "HE10",
    "water_depth": 278,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0431",
    "depth": 40.4,
    "PO4": 1.55,
    "SiOH4": 25.08,
    "NO3_NO2": 19.76,
    "NO2": 0.31,
    "NH4": 0.27,
    "NO3": 19.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0487, 60.1095] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 89,
    "stn_id": "HE10",
    "water_depth": 278,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0431",
    "depth": 52.8,
    "PO4": 1.53,
    "SiOH4": 25.2,
    "NO3_NO2": 18.92,
    "NO2": 0.31,
    "NH4": 0.3,
    "NO3": 18.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0487, 60.1095] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 89,
    "stn_id": "HE10",
    "water_depth": 278,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0431",
    "depth": 76.2,
    "PO4": 1.47,
    "SiOH4": 24.26,
    "NO3_NO2": 18.13,
    "NO2": 0.2,
    "NH4": 0.24,
    "NO3": 17.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0487, 60.1095] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 89,
    "stn_id": "HE10",
    "water_depth": 278,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0431",
    "depth": 102.0,
    "PO4": 1.44,
    "SiOH4": 23.14,
    "NO3_NO2": 17.56,
    "NO2": 0.2,
    "NH4": 0.28,
    "NO3": 17.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0487, 60.1095] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 89,
    "stn_id": "HE10",
    "water_depth": 278,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0431",
    "depth": 124.5,
    "PO4": 1.46,
    "SiOH4": 23.09,
    "NO3_NO2": 17.75,
    "NO2": 0.2,
    "NH4": 0.26,
    "NO3": 17.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0487, 60.1095] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 89,
    "stn_id": "HE10",
    "water_depth": 278,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0431",
    "depth": 153.1,
    "PO4": 1.49,
    "SiOH4": 23.27,
    "NO3_NO2": 18.73,
    "NO2": 0.2,
    "NH4": 0.13,
    "NO3": 18.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0487, 60.1095] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 89,
    "stn_id": "HE10",
    "water_depth": 278,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0431",
    "depth": 199.4,
    "PO4": 1.58,
    "SiOH4": 23.92,
    "NO3_NO2": 19.8,
    "NO2": 0.2,
    "NH4": 0.12,
    "NO3": 19.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0487, 60.1095] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 89,
    "stn_id": "HE10",
    "water_depth": 278,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0431",
    "depth": 272.7,
    "PO4": 1.75,
    "SiOH4": 27.29,
    "NO3_NO2": 23.03,
    "NO2": 0.2,
    "NH4": 0.05,
    "NO3": 22.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9588, 60.0931] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 90,
    "stn_id": "HE9",
    "water_depth": 148,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0516",
    "depth": 2.1,
    "PO4": 1.21,
    "SiOH4": 21.4,
    "NO3_NO2": 14.52,
    "NO2": 0.2,
    "NH4": 0.01,
    "NO3": 14.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9588, 60.0931] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 90,
    "stn_id": "HE9",
    "water_depth": 148,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0516",
    "depth": 9.7,
    "PO4": 1.23,
    "SiOH4": 21.42,
    "NO3_NO2": 14.68,
    "NO2": 0.2,
    "NH4": 0.01,
    "NO3": 14.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9588, 60.0931] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 90,
    "stn_id": "HE9",
    "water_depth": 148,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0516",
    "depth": 20.3,
    "PO4": 1.32,
    "SiOH4": 21.61,
    "NO3_NO2": 16.08,
    "NO2": 0.2,
    "NH4": 0.11,
    "NO3": 15.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9588, 60.0931] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 90,
    "stn_id": "HE9",
    "water_depth": 148,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0516",
    "depth": 29.9,
    "PO4": 1.39,
    "SiOH4": 21.77,
    "NO3_NO2": 16.94,
    "NO2": 0.2,
    "NH4": 0.26,
    "NO3": 16.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9588, 60.0931] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 90,
    "stn_id": "HE9",
    "water_depth": 148,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0516",
    "depth": 40.4,
    "PO4": 1.42,
    "SiOH4": 22.03,
    "NO3_NO2": 17.53,
    "NO2": 0.2,
    "NH4": 0.32,
    "NO3": 17.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9588, 60.0931] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 90,
    "stn_id": "HE9",
    "water_depth": 148,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0516",
    "depth": 49.5,
    "PO4": 1.44,
    "SiOH4": 22.28,
    "NO3_NO2": 17.84,
    "NO2": 0.2,
    "NH4": 0.39,
    "NO3": 17.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9588, 60.0931] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 90,
    "stn_id": "HE9",
    "water_depth": 148,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0516",
    "depth": 74.9,
    "PO4": 1.47,
    "SiOH4": 22.46,
    "NO3_NO2": 17.98,
    "NO2": 0.2,
    "NH4": 0.4,
    "NO3": 17.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9588, 60.0931] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 90,
    "stn_id": "HE9",
    "water_depth": 148,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0516",
    "depth": 99.8,
    "PO4": 1.48,
    "SiOH4": 22.43,
    "NO3_NO2": 18.16,
    "NO2": 0.2,
    "NH4": 0.45,
    "NO3": 17.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9588, 60.0931] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 90,
    "stn_id": "HE9",
    "water_depth": 148,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0516",
    "depth": 125.5,
    "PO4": 1.5,
    "SiOH4": 22.45,
    "NO3_NO2": 18.3,
    "NO2": 0.2,
    "NH4": 0.47,
    "NO3": 18.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9588, 60.0931] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 90,
    "stn_id": "HE9",
    "water_depth": 148,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0516",
    "depth": 147.9,
    "PO4": 1.53,
    "SiOH4": 22.36,
    "NO3_NO2": 18.39,
    "NO2": 0.2,
    "NH4": 0.45,
    "NO3": 18.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8739, 60.0754] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 91,
    "stn_id": "HE8",
    "water_depth": 105,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0548",
    "depth": 2.9,
    "PO4": 1.42,
    "SiOH4": 21.35,
    "NO3_NO2": 14.23,
    "NO2": 0.23,
    "NH4": 0.03,
    "NO3": 14.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8739, 60.0754] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 91,
    "stn_id": "HE8",
    "water_depth": 105,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0548",
    "depth": 10.5,
    "PO4": 1.41,
    "SiOH4": 21.42,
    "NO3_NO2": 15.13,
    "NO2": 0.21,
    "NH4": 0.1,
    "NO3": 14.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8739, 60.0754] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 91,
    "stn_id": "HE8",
    "water_depth": 105,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0548",
    "depth": 20.6,
    "PO4": 1.42,
    "SiOH4": 21.6,
    "NO3_NO2": 16.28,
    "NO2": 0.27,
    "NH4": 0.21,
    "NO3": 16.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8739, 60.0754] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 91,
    "stn_id": "HE8",
    "water_depth": 105,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0548",
    "depth": 30.7,
    "PO4": 1.45,
    "SiOH4": 21.63,
    "NO3_NO2": 16.84,
    "NO2": 0.29,
    "NH4": 0.36,
    "NO3": 16.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8739, 60.0754] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 91,
    "stn_id": "HE8",
    "water_depth": 105,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0548",
    "depth": 40.3,
    "PO4": 1.52,
    "SiOH4": 21.73,
    "NO3_NO2": 18.31,
    "NO2": 0.27,
    "NH4": 0.46,
    "NO3": 18.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8739, 60.0754] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 91,
    "stn_id": "HE8",
    "water_depth": 105,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0548",
    "depth": 51.2,
    "PO4": 1.53,
    "SiOH4": 21.28,
    "NO3_NO2": 17.31,
    "NO2": 0.24,
    "NH4": 0.54,
    "NO3": 17.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8739, 60.0754] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 91,
    "stn_id": "HE8",
    "water_depth": 105,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0548",
    "depth": 74.9,
    "PO4": 1.54,
    "SiOH4": 21.11,
    "NO3_NO2": 17.53,
    "NO2": 0.29,
    "NH4": 0.56,
    "NO3": 17.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8739, 60.0754] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 91,
    "stn_id": "HE8",
    "water_depth": 105,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0548",
    "depth": 106.0,
    "PO4": 1.54,
    "SiOH4": 21.01,
    "NO3_NO2": 18.11,
    "NO2": 0.25,
    "NH4": 0.46,
    "NO3": 17.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7348, 60.0513] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 92,
    "stn_id": "HE6.5",
    "water_depth": 123,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0624",
    "depth": 1.9,
    "PO4": 1.17,
    "SiOH4": 19.62,
    "NO3_NO2": 14.13,
    "NO2": 0.23,
    "NH4": 0.13,
    "NO3": 13.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7348, 60.0513] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 92,
    "stn_id": "HE6.5",
    "water_depth": 123,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0624",
    "depth": 10.8,
    "PO4": 1.22,
    "SiOH4": 19.44,
    "NO3_NO2": 13.96,
    "NO2": 0.22,
    "NH4": 0.05,
    "NO3": 13.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7348, 60.0513] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 92,
    "stn_id": "HE6.5",
    "water_depth": 123,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0624",
    "depth": 20.4,
    "PO4": 1.23,
    "SiOH4": 19.41,
    "NO3_NO2": 13.85,
    "NO2": 0.21,
    "NH4": 0.05,
    "NO3": 13.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7348, 60.0513] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 92,
    "stn_id": "HE6.5",
    "water_depth": 123,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0624",
    "depth": 30.9,
    "PO4": 1.25,
    "SiOH4": 19.54,
    "NO3_NO2": 14.33,
    "NO2": 0.17,
    "NH4": 0.1,
    "NO3": 14.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7348, 60.0513] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 92,
    "stn_id": "HE6.5",
    "water_depth": 123,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0624",
    "depth": 40.9,
    "PO4": 1.32,
    "SiOH4": 19.52,
    "NO3_NO2": 15.26,
    "NO2": 0.23,
    "NH4": 0.13,
    "NO3": 15.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7348, 60.0513] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 92,
    "stn_id": "HE6.5",
    "water_depth": 123,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0624",
    "depth": 49.3,
    "PO4": 1.39,
    "SiOH4": 19.7,
    "NO3_NO2": 16.07,
    "NO2": 0.25,
    "NH4": 0.21,
    "NO3": 15.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7348, 60.0513] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 92,
    "stn_id": "HE6.5",
    "water_depth": 123,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0624",
    "depth": 75.2,
    "PO4": 1.42,
    "SiOH4": 19.89,
    "NO3_NO2": 16.88,
    "NO2": 0.32,
    "NH4": 0.31,
    "NO3": 16.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7348, 60.0513] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 92,
    "stn_id": "HE6.5",
    "water_depth": 123,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0624",
    "depth": 100.6,
    "PO4": 1.49,
    "SiOH4": 20.18,
    "NO3_NO2": 17.69,
    "NO2": 0.27,
    "NH4": 0.31,
    "NO3": 17.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7348, 60.0513] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 92,
    "stn_id": "HE6.5",
    "water_depth": 123,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "0624",
    "depth": 121.5,
    "PO4": 1.49,
    "SiOH4": 20.33,
    "NO3_NO2": 17.92,
    "NO2": 0.25,
    "NH4": 0.46,
    "NO3": 17.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6096, 60.0299] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 93,
    "stn_id": "HE5",
    "water_depth": 97,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1408",
    "depth": 2.0,
    "PO4": 1.4,
    "SiOH4": 19.85,
    "NO3_NO2": 16.26,
    "NO2": 0.26,
    "NH4": 0.74,
    "NO3": 16.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6096, 60.0299] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 93,
    "stn_id": "HE5",
    "water_depth": 97,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1408",
    "depth": 10.2,
    "PO4": 1.43,
    "SiOH4": 20.69,
    "NO3_NO2": 16.43,
    "NO2": 0.27,
    "NH4": 0.64,
    "NO3": 16.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6096, 60.0299] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 93,
    "stn_id": "HE5",
    "water_depth": 97,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1408",
    "depth": 20.5,
    "PO4": 1.47,
    "SiOH4": 21.17,
    "NO3_NO2": 16.62,
    "NO2": 0.28,
    "NH4": 0.64,
    "NO3": 16.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6096, 60.0299] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 93,
    "stn_id": "HE5",
    "water_depth": 97,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1408",
    "depth": 30.0,
    "PO4": 1.47,
    "SiOH4": 21.43,
    "NO3_NO2": 16.63,
    "NO2": 0.27,
    "NH4": 0.67,
    "NO3": 16.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6096, 60.0299] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 93,
    "stn_id": "HE5",
    "water_depth": 97,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1408",
    "depth": 39.6,
    "PO4": 1.47,
    "SiOH4": 21.69,
    "NO3_NO2": 16.57,
    "NO2": 0.27,
    "NH4": 0.62,
    "NO3": 16.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6096, 60.0299] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 93,
    "stn_id": "HE5",
    "water_depth": 97,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1408",
    "depth": 50.0,
    "PO4": 1.44,
    "SiOH4": 21.82,
    "NO3_NO2": 16.62,
    "NO2": 0.26,
    "NH4": 0.56,
    "NO3": 16.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6096, 60.0299] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 93,
    "stn_id": "HE5",
    "water_depth": 97,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1408",
    "depth": 75.1,
    "PO4": 1.46,
    "SiOH4": 21.9,
    "NO3_NO2": 16.91,
    "NO2": 0.27,
    "NH4": 0.41,
    "NO3": 16.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6096, 60.0299] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 93,
    "stn_id": "HE5",
    "water_depth": 97,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1408",
    "depth": 92.9,
    "PO4": 1.49,
    "SiOH4": 22.27,
    "NO3_NO2": 17.44,
    "NO2": 0.28,
    "NH4": 0.49,
    "NO3": 17.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6101, 60.0792] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 94,
    "stn_id": "HE4",
    "water_depth": 117,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1436",
    "depth": 2.0,
    "PO4": 1.43,
    "SiOH4": 18.39,
    "NO3_NO2": 16.24,
    "NO2": 0.24,
    "NH4": 0.34,
    "NO3": 16.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6101, 60.0792] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 94,
    "stn_id": "HE4",
    "water_depth": 117,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1436",
    "depth": 9.9,
    "PO4": 1.37,
    "SiOH4": 18.4,
    "NO3_NO2": 16.47,
    "NO2": 0.21,
    "NH4": 0.24,
    "NO3": 16.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6101, 60.0792] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 94,
    "stn_id": "HE4",
    "water_depth": 117,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1436",
    "depth": 20.0,
    "PO4": 1.4,
    "SiOH4": 17.68,
    "NO3_NO2": 16.66,
    "NO2": 0.22,
    "NH4": 0.27,
    "NO3": 16.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6101, 60.0792] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 94,
    "stn_id": "HE4",
    "water_depth": 117,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1436",
    "depth": 30.1,
    "PO4": 1.4,
    "SiOH4": 17.46,
    "NO3_NO2": 16.75,
    "NO2": 0.19,
    "NH4": 0.32,
    "NO3": 16.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6101, 60.0792] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 94,
    "stn_id": "HE4",
    "water_depth": 117,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1436",
    "depth": 39.5,
    "PO4": 1.4,
    "SiOH4": 17.19,
    "NO3_NO2": 16.9,
    "NO2": 0.23,
    "NH4": 0.34,
    "NO3": 16.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6101, 60.0792] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 94,
    "stn_id": "HE4",
    "water_depth": 117,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1436",
    "depth": 51.7,
    "PO4": 1.42,
    "SiOH4": 17.04,
    "NO3_NO2": 16.97,
    "NO2": 0.21,
    "NH4": 0.51,
    "NO3": 16.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6101, 60.0792] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 94,
    "stn_id": "HE4",
    "water_depth": 117,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1436",
    "depth": 70.7,
    "PO4": 1.4,
    "SiOH4": 16.77,
    "NO3_NO2": 17.19,
    "NO2": 0.22,
    "NH4": 0.41,
    "NO3": 16.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6101, 60.0792] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 94,
    "stn_id": "HE4",
    "water_depth": 117,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1436",
    "depth": 99.1,
    "PO4": 1.5,
    "SiOH4": 16.69,
    "NO3_NO2": 18.38,
    "NO2": 0.23,
    "NH4": 0.34,
    "NO3": 18.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6101, 60.0792] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 94,
    "stn_id": "HE4",
    "water_depth": 117,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1436",
    "depth": 116.1,
    "PO4": 1.51,
    "SiOH4": 16.61,
    "NO3_NO2": 18.47,
    "NO2": 0.24,
    "NH4": 0.39,
    "NO3": 18.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.607, 60.1306] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 95,
    "stn_id": "HE3",
    "water_depth": 117,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1517",
    "depth": 2.1,
    "PO4": 1.2,
    "SiOH4": 15.43,
    "NO3_NO2": 15.29,
    "NO2": 0.16,
    "NH4": 0.68,
    "NO3": 15.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.607, 60.1306] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 95,
    "stn_id": "HE3",
    "water_depth": 117,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1517",
    "depth": 10.0,
    "PO4": 1.29,
    "SiOH4": 16.96,
    "NO3_NO2": 16.67,
    "NO2": 0.23,
    "NH4": 0.51,
    "NO3": 16.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.607, 60.1306] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 95,
    "stn_id": "HE3",
    "water_depth": 117,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1517",
    "depth": 20.0,
    "PO4": 1.36,
    "SiOH4": 17.34,
    "NO3_NO2": 17.21,
    "NO2": 0.21,
    "NH4": 0.51,
    "NO3": 17.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.607, 60.1306] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 95,
    "stn_id": "HE3",
    "water_depth": 117,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1517",
    "depth": 29.6,
    "PO4": 1.53,
    "SiOH4": 18.31,
    "NO3_NO2": 18.65,
    "NO2": 0.21,
    "NH4": 0.51,
    "NO3": 18.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.607, 60.1306] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 95,
    "stn_id": "HE3",
    "water_depth": 117,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1517",
    "depth": 50.4,
    "PO4": 1.67,
    "SiOH4": 17.74,
    "NO3_NO2": 18.66,
    "NO2": 0.24,
    "NH4": 0.56,
    "NO3": 18.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.607, 60.1306] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 95,
    "stn_id": "HE3",
    "water_depth": 117,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1517",
    "depth": 73.9,
    "PO4": 1.63,
    "SiOH4": 18.05,
    "NO3_NO2": 18.56,
    "NO2": 0.24,
    "NH4": 0.56,
    "NO3": 18.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.607, 60.1306] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 95,
    "stn_id": "HE3",
    "water_depth": 117,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1517",
    "depth": 100.1,
    "PO4": 1.46,
    "SiOH4": 17.64,
    "NO3_NO2": 18.49,
    "NO2": 0.25,
    "NH4": 0.48,
    "NO3": 18.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.607, 60.1306] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 95,
    "stn_id": "HE3",
    "water_depth": 117,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1517",
    "depth": 114.8,
    "PO4": 1.5,
    "SiOH4": 17.94,
    "NO3_NO2": 18.62,
    "NO2": 0.3,
    "NH4": 0.56,
    "NO3": 18.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6094, 60.1783] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "HE2",
    "water_depth": 193,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1610",
    "depth": 2.7,
    "PO4": 1.18,
    "SiOH4": 17.0,
    "NO3_NO2": 12.2,
    "NO2": 0.28,
    "NH4": 0.75,
    "NO3": 11.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6094, 60.1783] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "HE2",
    "water_depth": 193,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1610",
    "depth": 9.9,
    "PO4": 1.3,
    "SiOH4": 20.8,
    "NO3_NO2": 15.95,
    "NO2": 0.26,
    "NH4": 0.57,
    "NO3": 15.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6094, 60.1783] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "HE2",
    "water_depth": 193,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1610",
    "depth": 20.4,
    "PO4": 1.48,
    "SiOH4": 22.36,
    "NO3_NO2": 18.49,
    "NO2": 0.26,
    "NH4": 0.67,
    "NO3": 18.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6094, 60.1783] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "HE2",
    "water_depth": 193,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1610",
    "depth": 30.1,
    "PO4": 1.54,
    "SiOH4": 23.5,
    "NO3_NO2": 19.43,
    "NO2": 0.23,
    "NH4": 0.56,
    "NO3": 19.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6094, 60.1783] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "HE2",
    "water_depth": 193,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1610",
    "depth": 40.8,
    "PO4": 1.44,
    "SiOH4": 23.1,
    "NO3_NO2": 18.25,
    "NO2": 0.27,
    "NH4": 0.52,
    "NO3": 17.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6094, 60.1783] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "HE2",
    "water_depth": 193,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1610",
    "depth": 48.3,
    "PO4": 1.54,
    "SiOH4": 24.41,
    "NO3_NO2": 19.49,
    "NO2": 0.22,
    "NH4": 0.55,
    "NO3": 19.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6094, 60.1783] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "HE2",
    "water_depth": 193,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1610",
    "depth": 75.3,
    "PO4": 1.56,
    "SiOH4": 24.4,
    "NO3_NO2": 19.6,
    "NO2": 0.21,
    "NH4": 0.54,
    "NO3": 19.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6094, 60.1783] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "HE2",
    "water_depth": 193,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1610",
    "depth": 98.9,
    "PO4": 1.55,
    "SiOH4": 24.36,
    "NO3_NO2": 19.79,
    "NO2": 0.23,
    "NH4": 0.37,
    "NO3": 19.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6094, 60.1783] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "HE2",
    "water_depth": 193,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1610",
    "depth": 125.1,
    "PO4": 1.54,
    "SiOH4": 24.27,
    "NO3_NO2": 19.78,
    "NO2": 0.23,
    "NH4": 0.33,
    "NO3": 19.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6094, 60.1783] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "HE2",
    "water_depth": 193,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1610",
    "depth": 150.6,
    "PO4": 1.53,
    "SiOH4": 24.62,
    "NO3_NO2": 19.61,
    "NO2": 0.24,
    "NH4": 0.32,
    "NO3": 19.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6094, 60.1783] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "HE2",
    "water_depth": 193,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1610",
    "depth": 184.0,
    "PO4": 1.51,
    "SiOH4": 24.73,
    "NO3_NO2": 19.26,
    "NO2": 0.3,
    "NH4": 0.3,
    "NO3": 18.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6086, 60.2153] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "HE1",
    "water_depth": 85,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1659",
    "depth": 2.4,
    "PO4": 0.64,
    "SiOH4": 14.34,
    "NO3_NO2": 6.24,
    "NO2": 0.18,
    "NH4": 0.53,
    "NO3": 6.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6086, 60.2153] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "HE1",
    "water_depth": 85,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1659",
    "depth": 10.2,
    "PO4": 0.88,
    "SiOH4": 16.85,
    "NO3_NO2": 9.64,
    "NO2": 0.22,
    "NH4": 0.77,
    "NO3": 9.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6086, 60.2153] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "HE1",
    "water_depth": 85,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1659",
    "depth": 19.2,
    "PO4": 1.01,
    "SiOH4": 17.94,
    "NO3_NO2": 11.68,
    "NO2": 0.24,
    "NH4": 0.97,
    "NO3": 11.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6086, 60.2153] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "HE1",
    "water_depth": 85,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1659",
    "depth": 29.3,
    "PO4": 1.26,
    "SiOH4": 22.01,
    "NO3_NO2": 16.13,
    "NO2": 0.21,
    "NH4": 0.72,
    "NO3": 15.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6086, 60.2153] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "HE1",
    "water_depth": 85,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1659",
    "depth": 39.2,
    "PO4": 1.41,
    "SiOH4": 24.4,
    "NO3_NO2": 18.57,
    "NO2": 0.26,
    "NH4": 0.56,
    "NO3": 18.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6086, 60.2153] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "HE1",
    "water_depth": 85,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1659",
    "depth": 49.3,
    "PO4": 1.46,
    "SiOH4": 25.46,
    "NO3_NO2": 19.26,
    "NO2": 0.24,
    "NH4": 0.56,
    "NO3": 19.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6086, 60.2153] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "HE1",
    "water_depth": 85,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "1659",
    "depth": 81.4,
    "PO4": 1.49,
    "SiOH4": 25.6,
    "NO3_NO2": 18.89,
    "NO2": 0.27,
    "NH4": 0.57,
    "NO3": 18.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5046, 60.1483] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 99,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2123",
    "depth": 1.8,
    "PO4": 0.45,
    "SiOH4": 0.0,
    "NO3_NO2": 0.0,
    "NO2": 0.08,
    "NH4": 0.26,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5046, 60.1483] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 99,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2123",
    "depth": 9.2,
    "PO4": 0.53,
    "SiOH4": 0.1,
    "NO3_NO2": 0.35,
    "NO2": 0.13,
    "NH4": 0.23,
    "NO3": 0.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5046, 60.1483] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 99,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2123",
    "depth": 14.3,
    "PO4": 0.49,
    "SiOH4": 0.24,
    "NO3_NO2": 0.49,
    "NO2": 0.16,
    "NH4": 0.13,
    "NO3": 0.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5046, 60.1483] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 99,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2123",
    "depth": 19.4,
    "PO4": 0.83,
    "SiOH4": 3.65,
    "NO3_NO2": 6.94,
    "NO2": 0.18,
    "NH4": 0.75,
    "NO3": 6.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5046, 60.1483] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 99,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2123",
    "depth": 30.0,
    "PO4": 1.37,
    "SiOH4": 17.15,
    "NO3_NO2": 15.65,
    "NO2": 0.18,
    "NH4": 1.81,
    "NO3": 15.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5046, 60.1483] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 99,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2123",
    "depth": 40.1,
    "PO4": 1.48,
    "SiOH4": 20.12,
    "NO3_NO2": 17.97,
    "NO2": 0.18,
    "NH4": 1.47,
    "NO3": 17.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5046, 60.1483] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 99,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2123",
    "depth": 50.3,
    "PO4": 1.56,
    "SiOH4": 23.31,
    "NO3_NO2": 20.03,
    "NO2": 0.31,
    "NH4": 1.13,
    "NO3": 19.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5046, 60.1483] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 99,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2123",
    "depth": 74.3,
    "PO4": 1.72,
    "SiOH4": 26.49,
    "NO3_NO2": 22.07,
    "NO2": 0.16,
    "NH4": 1.02,
    "NO3": 21.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5046, 60.1483] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 99,
    "stn_id": "HB4",
    "water_depth": 104,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2123",
    "depth": 103.7,
    "PO4": 1.93,
    "SiOH4": 31.56,
    "NO3_NO2": 24.48,
    "NO2": 0.18,
    "NH4": 1.18,
    "NO3": 24.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5851, 60.1666] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "HB3",
    "water_depth": 90,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2151",
    "depth": 2.0,
    "PO4": 0.25,
    "SiOH4": 0.53,
    "NO3_NO2": 0.0,
    "NO2": 0.05,
    "NH4": 0.04,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5851, 60.1666] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "HB3",
    "water_depth": 90,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2151",
    "depth": 9.6,
    "PO4": 0.42,
    "SiOH4": 2.12,
    "NO3_NO2": 1.19,
    "NO2": 0.05,
    "NH4": 0.09,
    "NO3": 1.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5851, 60.1666] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "HB3",
    "water_depth": 90,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2151",
    "depth": 12.7,
    "PO4": 0.71,
    "SiOH4": 4.32,
    "NO3_NO2": 5.09,
    "NO2": 0.08,
    "NH4": 0.73,
    "NO3": 5.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5851, 60.1666] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "HB3",
    "water_depth": 90,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2151",
    "depth": 18.7,
    "PO4": 0.99,
    "SiOH4": 8.6,
    "NO3_NO2": 9.07,
    "NO2": 0.08,
    "NH4": 1.45,
    "NO3": 8.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5851, 60.1666] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "HB3",
    "water_depth": 90,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2151",
    "depth": 30.5,
    "PO4": 1.29,
    "SiOH4": 14.77,
    "NO3_NO2": 13.38,
    "NO2": 0.21,
    "NH4": 1.85,
    "NO3": 13.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5851, 60.1666] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "HB3",
    "water_depth": 90,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2151",
    "depth": 39.5,
    "PO4": 1.41,
    "SiOH4": 17.89,
    "NO3_NO2": 15.74,
    "NO2": 0.13,
    "NH4": 1.86,
    "NO3": 15.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5851, 60.1666] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "HB3",
    "water_depth": 90,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2151",
    "depth": 50.1,
    "PO4": 1.53,
    "SiOH4": 21.27,
    "NO3_NO2": 18.18,
    "NO2": 0.16,
    "NH4": 1.67,
    "NO3": 18.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5851, 60.1666] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "HB3",
    "water_depth": 90,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2151",
    "depth": 73.9,
    "PO4": 1.67,
    "SiOH4": 25.83,
    "NO3_NO2": 21.21,
    "NO2": 0.34,
    "NH4": 1.22,
    "NO3": 20.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5851, 60.1666] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "HB3",
    "water_depth": 90,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2151",
    "depth": 86.5,
    "PO4": 1.68,
    "SiOH4": 26.08,
    "NO3_NO2": 21.38,
    "NO2": 0.26,
    "NH4": 1.13,
    "NO3": 21.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6409, 60.1805] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "HB2",
    "water_depth": 177,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2211",
    "depth": 1.9,
    "PO4": 0.4,
    "SiOH4": 0.67,
    "NO3_NO2": 0.1,
    "NO2": 0.19,
    "NH4": 0.01,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6409, 60.1805] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "HB2",
    "water_depth": 177,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2211",
    "depth": 8.7,
    "PO4": 0.5,
    "SiOH4": 1.39,
    "NO3_NO2": 0.69,
    "NO2": 0.37,
    "NH4": 0.11,
    "NO3": 0.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6409, 60.1805] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "HB2",
    "water_depth": 177,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2211",
    "depth": 18.6,
    "PO4": 0.82,
    "SiOH4": 5.61,
    "NO3_NO2": 6.98,
    "NO2": 0.45,
    "NH4": 0.58,
    "NO3": 6.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6409, 60.1805] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "HB2",
    "water_depth": 177,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2211",
    "depth": 29.4,
    "PO4": 1.22,
    "SiOH4": 12.57,
    "NO3_NO2": 13.13,
    "NO2": 0.48,
    "NH4": 0.91,
    "NO3": 12.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6409, 60.1805] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "HB2",
    "water_depth": 177,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2211",
    "depth": 39.5,
    "PO4": 1.34,
    "SiOH4": 16.63,
    "NO3_NO2": 16.18,
    "NO2": 0.48,
    "NH4": 0.89,
    "NO3": 15.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6409, 60.1805] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "HB2",
    "water_depth": 177,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2211",
    "depth": 49.7,
    "PO4": 1.56,
    "SiOH4": 22.3,
    "NO3_NO2": 20.44,
    "NO2": 0.48,
    "NH4": 0.53,
    "NO3": 19.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6409, 60.1805] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "HB2",
    "water_depth": 177,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2211",
    "depth": 74.2,
    "PO4": 1.67,
    "SiOH4": 25.8,
    "NO3_NO2": 23.15,
    "NO2": 0.51,
    "NH4": 0.12,
    "NO3": 22.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6409, 60.1805] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "HB2",
    "water_depth": 177,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2211",
    "depth": 100.4,
    "PO4": 1.7,
    "SiOH4": 27.09,
    "NO3_NO2": 24.11,
    "NO2": 0.43,
    "NH4": 0.01,
    "NO3": 23.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6409, 60.1805] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "HB2",
    "water_depth": 177,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2211",
    "depth": 124.7,
    "PO4": 1.77,
    "SiOH4": 29.82,
    "NO3_NO2": 25.35,
    "NO2": 0.29,
    "NH4": 0.01,
    "NO3": 25.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6409, 60.1805] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "HB2",
    "water_depth": 177,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2211",
    "depth": 149.6,
    "PO4": 1.86,
    "SiOH4": 31.98,
    "NO3_NO2": 26.64,
    "NO2": 0.13,
    "NH4": 0.01,
    "NO3": 26.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6409, 60.1805] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "HB2",
    "water_depth": 177,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2211",
    "depth": 173.8,
    "PO4": 1.93,
    "SiOH4": 32.75,
    "NO3_NO2": 27.19,
    "NO2": 0.13,
    "NH4": 0.07,
    "NO3": 27.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7013, 60.1928] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 102,
    "stn_id": "HB1",
    "water_depth": 247,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2244",
    "depth": 1.9,
    "PO4": 0.16,
    "SiOH4": 0.57,
    "NO3_NO2": 0.1,
    "NO2": 0.21,
    "NH4": 0.01,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7013, 60.1928] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 102,
    "stn_id": "HB1",
    "water_depth": 247,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2244",
    "depth": 10.4,
    "PO4": 0.49,
    "SiOH4": 2.32,
    "NO3_NO2": 2.65,
    "NO2": 0.27,
    "NH4": 0.19,
    "NO3": 2.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7013, 60.1928] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 102,
    "stn_id": "HB1",
    "water_depth": 247,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2244",
    "depth": 17.0,
    "PO4": 0.82,
    "SiOH4": 6.95,
    "NO3_NO2": 8.5,
    "NO2": 0.35,
    "NH4": 0.65,
    "NO3": 8.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7013, 60.1928] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 102,
    "stn_id": "HB1",
    "water_depth": 247,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2244",
    "depth": 30.3,
    "PO4": 1.22,
    "SiOH4": 13.91,
    "NO3_NO2": 13.77,
    "NO2": 0.4,
    "NH4": 0.99,
    "NO3": 13.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7013, 60.1928] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 102,
    "stn_id": "HB1",
    "water_depth": 247,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2244",
    "depth": 40.2,
    "PO4": 1.26,
    "SiOH4": 17.1,
    "NO3_NO2": 16.01,
    "NO2": 0.13,
    "NH4": 1.04,
    "NO3": 15.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7013, 60.1928] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 102,
    "stn_id": "HB1",
    "water_depth": 247,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2244",
    "depth": 49.5,
    "PO4": 1.36,
    "SiOH4": 19.98,
    "NO3_NO2": 18.25,
    "NO2": 0.21,
    "NH4": 0.85,
    "NO3": 18.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7013, 60.1928] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 102,
    "stn_id": "HB1",
    "water_depth": 247,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2244",
    "depth": 74.5,
    "PO4": 1.51,
    "SiOH4": 23.69,
    "NO3_NO2": 21.07,
    "NO2": 0.27,
    "NH4": 0.61,
    "NO3": 20.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7013, 60.1928] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 102,
    "stn_id": "HB1",
    "water_depth": 247,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2244",
    "depth": 100.4,
    "PO4": 1.6,
    "SiOH4": 26.47,
    "NO3_NO2": 23.11,
    "NO2": 0.27,
    "NH4": 0.18,
    "NO3": 22.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7013, 60.1928] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 102,
    "stn_id": "HB1",
    "water_depth": 247,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2244",
    "depth": 150.5,
    "PO4": 1.76,
    "SiOH4": 30.95,
    "NO3_NO2": 26.02,
    "NO2": 0.16,
    "NH4": 0.01,
    "NO3": 25.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7013, 60.1928] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 102,
    "stn_id": "HB1",
    "water_depth": 247,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2244",
    "depth": 198.5,
    "PO4": 1.89,
    "SiOH4": 34.3,
    "NO3_NO2": 27.97,
    "NO2": 0.08,
    "NH4": 0.01,
    "NO3": 27.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7013, 60.1928] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 102,
    "stn_id": "HB1",
    "water_depth": 247,
    "month_gmt": "05",
    "day_gmt": "12",
    "time_gmt": "2244",
    "depth": 237.8,
    "PO4": 1.96,
    "SiOH4": 34.87,
    "NO3_NO2": 28.29,
    "NO2": 0.08,
    "NH4": 0.01,
    "NO3": 28.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9861, 60.2781] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 103,
    "stn_id": "KIP2",
    "water_depth": 303,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0027",
    "depth": 1.8,
    "PO4": 0.36,
    "SiOH4": 0.39,
    "NO3_NO2": 0.1,
    "NO2": 0.13,
    "NH4": 0.03,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9861, 60.2781] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 103,
    "stn_id": "KIP2",
    "water_depth": 303,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0027",
    "depth": 6.0,
    "PO4": 0.36,
    "SiOH4": 0.3,
    "NO3_NO2": 0.1,
    "NO2": 0.13,
    "NH4": 0.08,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9861, 60.2781] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 103,
    "stn_id": "KIP2",
    "water_depth": 303,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0027",
    "depth": 10.3,
    "PO4": 0.36,
    "SiOH4": 0.42,
    "NO3_NO2": 0.1,
    "NO2": 0.08,
    "NH4": 0.11,
    "NO3": 0.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9861, 60.2781] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 103,
    "stn_id": "KIP2",
    "water_depth": 303,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0027",
    "depth": 18.3,
    "PO4": 0.67,
    "SiOH4": 1.95,
    "NO3_NO2": 2.45,
    "NO2": 0.16,
    "NH4": 0.7,
    "NO3": 2.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9861, 60.2781] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 103,
    "stn_id": "KIP2",
    "water_depth": 303,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0027",
    "depth": 25.4,
    "PO4": 0.82,
    "SiOH4": 2.31,
    "NO3_NO2": 3.98,
    "NO2": 0.21,
    "NH4": 1.03,
    "NO3": 3.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9861, 60.2781] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 103,
    "stn_id": "KIP2",
    "water_depth": 303,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0027",
    "depth": 39.3,
    "PO4": 0.97,
    "SiOH4": 9.05,
    "NO3_NO2": 10.59,
    "NO2": 0.08,
    "NH4": 1.31,
    "NO3": 10.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9878, 60.2771] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 104,
    "stn_id": "KIP2",
    "water_depth": 600,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0052",
    "depth": 1.4,
    "PO4": 0.02,
    "SiOH4": 0.48,
    "NO3_NO2": 0.1,
    "NO2": 0.21,
    "NH4": 0.02,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9878, 60.2771] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 104,
    "stn_id": "KIP2",
    "water_depth": 600,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0052",
    "depth": 9.8,
    "PO4": 0.35,
    "SiOH4": 1.57,
    "NO3_NO2": 1.45,
    "NO2": 0.26,
    "NH4": 0.73,
    "NO3": 1.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9878, 60.2771] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 104,
    "stn_id": "KIP2",
    "water_depth": 600,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0052",
    "depth": 20.6,
    "PO4": 0.56,
    "SiOH4": 3.09,
    "NO3_NO2": 4.23,
    "NO2": 0.37,
    "NH4": 0.91,
    "NO3": 3.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9878, 60.2771] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 104,
    "stn_id": "KIP2",
    "water_depth": 600,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0052",
    "depth": 29.6,
    "PO4": 1.01,
    "SiOH4": 9.5,
    "NO3_NO2": 10.5,
    "NO2": 0.32,
    "NH4": 1.5,
    "NO3": 10.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9878, 60.2771] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 104,
    "stn_id": "KIP2",
    "water_depth": 600,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0052",
    "depth": 40.2,
    "PO4": 1.26,
    "SiOH4": 14.69,
    "NO3_NO2": 14.78,
    "NO2": 0.13,
    "NH4": 1.31,
    "NO3": 14.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9878, 60.2771] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 104,
    "stn_id": "KIP2",
    "water_depth": 600,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0052",
    "depth": 48.2,
    "PO4": 1.36,
    "SiOH4": 18.85,
    "NO3_NO2": 18.24,
    "NO2": 0.18,
    "NH4": 0.86,
    "NO3": 18.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9878, 60.2771] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 104,
    "stn_id": "KIP2",
    "water_depth": 600,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0052",
    "depth": 73.5,
    "PO4": 1.57,
    "SiOH4": 24.84,
    "NO3_NO2": 22.8,
    "NO2": 0.18,
    "NH4": 0.05,
    "NO3": 22.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9878, 60.2771] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 104,
    "stn_id": "KIP2",
    "water_depth": 600,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0052",
    "depth": 98.8,
    "PO4": 1.67,
    "SiOH4": 27.21,
    "NO3_NO2": 24.01,
    "NO2": 0.08,
    "NH4": 0.01,
    "NO3": 23.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9878, 60.2771] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 104,
    "stn_id": "KIP2",
    "water_depth": 600,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0052",
    "depth": 123.4,
    "PO4": 1.69,
    "SiOH4": 27.78,
    "NO3_NO2": 24.45,
    "NO2": 0.08,
    "NH4": 0.02,
    "NO3": 24.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9878, 60.2771] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 104,
    "stn_id": "KIP2",
    "water_depth": 600,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0052",
    "depth": 197.8,
    "PO4": 1.77,
    "SiOH4": 29.67,
    "NO3_NO2": 25.72,
    "NO2": 0.08,
    "NH4": 0.03,
    "NO3": 25.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9878, 60.2771] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 104,
    "stn_id": "KIP2",
    "water_depth": 600,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0052",
    "depth": 248.1,
    "PO4": 1.94,
    "SiOH4": 32.84,
    "NO3_NO2": 27.73,
    "NO2": 0.05,
    "NH4": 0.1,
    "NO3": 27.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9878, 60.2771] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 104,
    "stn_id": "KIP2",
    "water_depth": 600,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0052",
    "depth": 301.9,
    "PO4": 1.98,
    "SiOH4": 34.78,
    "NO3_NO2": 29.0,
    "NO2": 0.05,
    "NH4": 0.1,
    "NO3": 28.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9367, 60.3802] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 105,
    "stn_id": "PWS1",
    "water_depth": 371,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0153",
    "depth": 1.7,
    "PO4": 0.35,
    "SiOH4": 0.54,
    "NO3_NO2": 0.08,
    "NO2": 0.01,
    "NH4": 0.06,
    "NO3": 0.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9367, 60.3802] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 105,
    "stn_id": "PWS1",
    "water_depth": 371,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0153",
    "depth": 10.4,
    "PO4": 0.42,
    "SiOH4": 0.93,
    "NO3_NO2": 1.06,
    "NO2": 0.01,
    "NH4": 0.38,
    "NO3": 1.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9367, 60.3802] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 105,
    "stn_id": "PWS1",
    "water_depth": 371,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0153",
    "depth": 19.9,
    "PO4": 0.65,
    "SiOH4": 1.87,
    "NO3_NO2": 3.26,
    "NO2": 0.01,
    "NH4": 0.93,
    "NO3": 3.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9367, 60.3802] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 105,
    "stn_id": "PWS1",
    "water_depth": 371,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0153",
    "depth": 30.5,
    "PO4": 0.97,
    "SiOH4": 6.29,
    "NO3_NO2": 7.92,
    "NO2": 0.01,
    "NH4": 1.73,
    "NO3": 7.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9367, 60.3802] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 105,
    "stn_id": "PWS1",
    "water_depth": 371,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0153",
    "depth": 40.3,
    "PO4": 1.05,
    "SiOH4": 8.6,
    "NO3_NO2": 9.07,
    "NO2": 0.01,
    "NH4": 1.75,
    "NO3": 9.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9367, 60.3802] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 105,
    "stn_id": "PWS1",
    "water_depth": 371,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0153",
    "depth": 50.9,
    "PO4": 1.42,
    "SiOH4": 18.72,
    "NO3_NO2": 16.88,
    "NO2": 0.09,
    "NH4": 1.35,
    "NO3": 16.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9367, 60.3802] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 105,
    "stn_id": "PWS1",
    "water_depth": 371,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0153",
    "depth": 76.5,
    "PO4": 1.63,
    "SiOH4": 26.51,
    "NO3_NO2": 22.67,
    "NO2": 0.16,
    "NH4": 0.02,
    "NO3": 22.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9367, 60.3802] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 105,
    "stn_id": "PWS1",
    "water_depth": 371,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0153",
    "depth": 100.7,
    "PO4": 1.67,
    "SiOH4": 28.35,
    "NO3_NO2": 23.8,
    "NO2": 0.06,
    "NH4": 0.01,
    "NO3": 23.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9367, 60.3802] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 105,
    "stn_id": "PWS1",
    "water_depth": 371,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0153",
    "depth": 152.1,
    "PO4": 1.76,
    "SiOH4": 30.65,
    "NO3_NO2": 24.78,
    "NO2": 0.03,
    "NH4": 0.01,
    "NO3": 24.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9367, 60.3802] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 105,
    "stn_id": "PWS1",
    "water_depth": 371,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0153",
    "depth": 202.8,
    "PO4": 1.83,
    "SiOH4": 32.4,
    "NO3_NO2": 26.36,
    "NO2": 0.05,
    "NH4": 0.01,
    "NO3": 26.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9367, 60.3802] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 105,
    "stn_id": "PWS1",
    "water_depth": 371,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0153",
    "depth": 274.2,
    "PO4": 1.99,
    "SiOH4": 36.77,
    "NO3_NO2": 28.89,
    "NO2": 0.02,
    "NH4": 0.01,
    "NO3": 28.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9367, 60.3802] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 105,
    "stn_id": "PWS1",
    "water_depth": 371,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0153",
    "depth": 349.4,
    "PO4": 2.04,
    "SiOH4": 38.24,
    "NO3_NO2": 29.73,
    "NO2": 0.07,
    "NH4": 0.02,
    "NO3": 29.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8049, 60.5349] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 106,
    "stn_id": "PWS2",
    "water_depth": 745,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0329",
    "depth": 2.2,
    "PO4": 0.17,
    "SiOH4": 0.23,
    "NO3_NO2": 0.05,
    "NO2": 0.08,
    "NH4": 0.01,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8049, 60.5349] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 106,
    "stn_id": "PWS2",
    "water_depth": 745,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0329",
    "depth": 10.4,
    "PO4": 0.29,
    "SiOH4": 1.3,
    "NO3_NO2": 1.01,
    "NO2": 0.11,
    "NH4": 0.2,
    "NO3": 0.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8049, 60.5349] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 106,
    "stn_id": "PWS2",
    "water_depth": 745,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0329",
    "depth": 20.1,
    "PO4": 0.57,
    "SiOH4": 3.53,
    "NO3_NO2": 4.92,
    "NO2": 0.29,
    "NH4": 0.9,
    "NO3": 4.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8049, 60.5349] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 106,
    "stn_id": "PWS2",
    "water_depth": 745,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0329",
    "depth": 30.0,
    "PO4": 0.97,
    "SiOH4": 8.5,
    "NO3_NO2": 9.5,
    "NO2": 0.33,
    "NH4": 1.46,
    "NO3": 9.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8049, 60.5349] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 106,
    "stn_id": "PWS2",
    "water_depth": 745,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0329",
    "depth": 40.1,
    "PO4": 1.3,
    "SiOH4": 15.42,
    "NO3_NO2": 15.33,
    "NO2": 0.37,
    "NH4": 1.52,
    "NO3": 14.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8049, 60.5349] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 106,
    "stn_id": "PWS2",
    "water_depth": 745,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0329",
    "depth": 49.6,
    "PO4": 1.48,
    "SiOH4": 21.77,
    "NO3_NO2": 20.28,
    "NO2": 0.4,
    "NH4": 0.56,
    "NO3": 19.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8049, 60.5349] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 106,
    "stn_id": "PWS2",
    "water_depth": 745,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0329",
    "depth": 75.3,
    "PO4": 1.58,
    "SiOH4": 26.19,
    "NO3_NO2": 23.11,
    "NO2": 0.31,
    "NH4": 0.01,
    "NO3": 22.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8049, 60.5349] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 106,
    "stn_id": "PWS2",
    "water_depth": 745,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0329",
    "depth": 100.0,
    "PO4": 1.65,
    "SiOH4": 27.62,
    "NO3_NO2": 23.92,
    "NO2": 0.23,
    "NH4": 0.01,
    "NO3": 23.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8049, 60.5349] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 106,
    "stn_id": "PWS2",
    "water_depth": 745,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0329",
    "depth": 149.8,
    "PO4": 1.73,
    "SiOH4": 31.88,
    "NO3_NO2": 25.07,
    "NO2": 0.14,
    "NH4": 0.01,
    "NO3": 24.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8049, 60.5349] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 106,
    "stn_id": "PWS2",
    "water_depth": 745,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0329",
    "depth": 199.1,
    "PO4": 1.8,
    "SiOH4": 33.77,
    "NO3_NO2": 26.23,
    "NO2": 0.13,
    "NH4": 0.01,
    "NO3": 26.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8049, 60.5349] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 106,
    "stn_id": "PWS2",
    "water_depth": 745,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0329",
    "depth": 275.0,
    "PO4": 1.87,
    "SiOH4": 34.6,
    "NO3_NO2": 27.32,
    "NO2": 0.13,
    "NH4": 0.01,
    "NO3": 27.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8049, 60.5349] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 106,
    "stn_id": "PWS2",
    "water_depth": 745,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "0329",
    "depth": 351.1,
    "PO4": 2.17,
    "SiOH4": 42.15,
    "NO3_NO2": 31.86,
    "NO2": 0.08,
    "NH4": 0.01,
    "NO3": 31.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9264, 59.9535] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 116,
    "stn_id": "MS1",
    "water_depth": 170,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1352",
    "depth": 2.2,
    "PO4": 0.71,
    "SiOH4": 3.52,
    "NO3_NO2": 0.23,
    "NO2": 0.03,
    "NH4": 0.33,
    "NO3": 0.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9264, 59.9535] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 116,
    "stn_id": "MS1",
    "water_depth": 170,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1352",
    "depth": 9.8,
    "PO4": 0.85,
    "SiOH4": 5.96,
    "NO3_NO2": 3.99,
    "NO2": 0.03,
    "NH4": 0.71,
    "NO3": 3.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9264, 59.9535] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 116,
    "stn_id": "MS1",
    "water_depth": 170,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1352",
    "depth": 19.9,
    "PO4": 0.92,
    "SiOH4": 6.35,
    "NO3_NO2": 4.97,
    "NO2": 0.1,
    "NH4": 0.92,
    "NO3": 4.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9264, 59.9535] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 116,
    "stn_id": "MS1",
    "water_depth": 170,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1352",
    "depth": 29.9,
    "PO4": 1.11,
    "SiOH4": 10.12,
    "NO3_NO2": 8.64,
    "NO2": 0.34,
    "NH4": 1.24,
    "NO3": 8.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9264, 59.9535] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 116,
    "stn_id": "MS1",
    "water_depth": 170,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1352",
    "depth": 39.7,
    "PO4": 1.29,
    "SiOH4": 15.63,
    "NO3_NO2": 12.56,
    "NO2": 0.34,
    "NH4": 1.15,
    "NO3": 12.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9264, 59.9535] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 116,
    "stn_id": "MS1",
    "water_depth": 170,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1352",
    "depth": 49.7,
    "PO4": 1.41,
    "SiOH4": 18.16,
    "NO3_NO2": 15.01,
    "NO2": 0.41,
    "NH4": 0.98,
    "NO3": 14.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9264, 59.9535] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 116,
    "stn_id": "MS1",
    "water_depth": 170,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1352",
    "depth": 75.8,
    "PO4": 1.6,
    "SiOH4": 23.28,
    "NO3_NO2": 19.58,
    "NO2": 0.36,
    "NH4": 0.49,
    "NO3": 19.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9264, 59.9535] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 116,
    "stn_id": "MS1",
    "water_depth": 170,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1352",
    "depth": 100.9,
    "PO4": 1.72,
    "SiOH4": 27.2,
    "NO3_NO2": 22.84,
    "NO2": 0.36,
    "NH4": 0.01,
    "NO3": 22.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9264, 59.9535] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 116,
    "stn_id": "MS1",
    "water_depth": 170,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1352",
    "depth": 125.6,
    "PO4": 1.72,
    "SiOH4": 28.14,
    "NO3_NO2": 23.45,
    "NO2": 0.26,
    "NH4": 0.01,
    "NO3": 23.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9264, 59.9535] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 116,
    "stn_id": "MS1",
    "water_depth": 170,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1352",
    "depth": 169.1,
    "PO4": 1.85,
    "SiOH4": 29.73,
    "NO3_NO2": 24.86,
    "NO2": 0.23,
    "NH4": 0.01,
    "NO3": 24.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8958, 59.9438] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 117,
    "stn_id": "MS2",
    "water_depth": 195,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1417",
    "depth": 2.3,
    "PO4": 0.39,
    "SiOH4": 2.08,
    "NO3_NO2": 0.3,
    "NO2": 0.08,
    "NH4": 0.03,
    "NO3": 0.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8958, 59.9438] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 117,
    "stn_id": "MS2",
    "water_depth": 195,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1417",
    "depth": 9.8,
    "PO4": 0.74,
    "SiOH4": 5.51,
    "NO3_NO2": 4.2,
    "NO2": 0.26,
    "NH4": 0.84,
    "NO3": 3.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8958, 59.9438] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 117,
    "stn_id": "MS2",
    "water_depth": 195,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1417",
    "depth": 19.8,
    "PO4": 0.79,
    "SiOH4": 5.66,
    "NO3_NO2": 4.15,
    "NO2": 0.18,
    "NH4": 1.16,
    "NO3": 3.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8958, 59.9438] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 117,
    "stn_id": "MS2",
    "water_depth": 195,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1417",
    "depth": 30.2,
    "PO4": 1.05,
    "SiOH4": 9.13,
    "NO3_NO2": 7.29,
    "NO2": 0.23,
    "NH4": 1.72,
    "NO3": 7.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8958, 59.9438] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 117,
    "stn_id": "MS2",
    "water_depth": 195,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1417",
    "depth": 39.7,
    "PO4": 1.2,
    "SiOH4": 13.35,
    "NO3_NO2": 10.93,
    "NO2": 0.26,
    "NH4": 1.74,
    "NO3": 10.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8958, 59.9438] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 117,
    "stn_id": "MS2",
    "water_depth": 195,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1417",
    "depth": 49.9,
    "PO4": 1.45,
    "SiOH4": 20.2,
    "NO3_NO2": 17.34,
    "NO2": 0.26,
    "NH4": 0.86,
    "NO3": 17.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8958, 59.9438] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 117,
    "stn_id": "MS2",
    "water_depth": 195,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1417",
    "depth": 74.8,
    "PO4": 1.58,
    "SiOH4": 24.57,
    "NO3_NO2": 21.09,
    "NO2": 0.23,
    "NH4": 0.13,
    "NO3": 20.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8958, 59.9438] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 117,
    "stn_id": "MS2",
    "water_depth": 195,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1417",
    "depth": 101.0,
    "PO4": 1.68,
    "SiOH4": 27.3,
    "NO3_NO2": 23.24,
    "NO2": 0.23,
    "NH4": 0.07,
    "NO3": 23.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8958, 59.9438] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 117,
    "stn_id": "MS2",
    "water_depth": 195,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1417",
    "depth": 125.8,
    "PO4": 1.75,
    "SiOH4": 28.54,
    "NO3_NO2": 24.01,
    "NO2": 0.18,
    "NH4": 0.01,
    "NO3": 23.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8958, 59.9438] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 117,
    "stn_id": "MS2",
    "water_depth": 195,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1417",
    "depth": 151.8,
    "PO4": 1.75,
    "SiOH4": 28.79,
    "NO3_NO2": 24.21,
    "NO2": 0.18,
    "NH4": 0.01,
    "NO3": 24.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8958, 59.9438] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 117,
    "stn_id": "MS2",
    "water_depth": 195,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1417",
    "depth": 189.9,
    "PO4": 1.89,
    "SiOH4": 31.71,
    "NO3_NO2": 26.08,
    "NO2": 0.18,
    "NH4": 0.01,
    "NO3": 25.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8574, 59.932] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 118,
    "stn_id": "MS3",
    "water_depth": 167,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1453",
    "depth": 1.7,
    "PO4": 0.34,
    "SiOH4": 0.65,
    "NO3_NO2": 0.0,
    "NO2": 0.08,
    "NH4": 0.01,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8574, 59.932] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 118,
    "stn_id": "MS3",
    "water_depth": 167,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1453",
    "depth": 9.9,
    "PO4": 0.66,
    "SiOH4": 3.79,
    "NO3_NO2": 5.31,
    "NO2": 0.13,
    "NH4": 0.39,
    "NO3": 5.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8574, 59.932] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 118,
    "stn_id": "MS3",
    "water_depth": 167,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1453",
    "depth": 14.6,
    "PO4": 0.96,
    "SiOH4": 8.85,
    "NO3_NO2": 9.39,
    "NO2": 0.22,
    "NH4": 1.13,
    "NO3": 9.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8574, 59.932] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 118,
    "stn_id": "MS3",
    "water_depth": 167,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1453",
    "depth": 19.8,
    "PO4": 1.02,
    "SiOH4": 10.22,
    "NO3_NO2": 10.16,
    "NO2": 0.19,
    "NH4": 1.32,
    "NO3": 9.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8574, 59.932] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 118,
    "stn_id": "MS3",
    "water_depth": 167,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1453",
    "depth": 30.2,
    "PO4": 1.34,
    "SiOH4": 17.67,
    "NO3_NO2": 15.77,
    "NO2": 0.3,
    "NH4": 1.18,
    "NO3": 15.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8574, 59.932] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 118,
    "stn_id": "MS3",
    "water_depth": 167,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1453",
    "depth": 39.6,
    "PO4": 1.36,
    "SiOH4": 19.47,
    "NO3_NO2": 16.76,
    "NO2": 0.19,
    "NH4": 1.01,
    "NO3": 16.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8574, 59.932] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 118,
    "stn_id": "MS3",
    "water_depth": 167,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1453",
    "depth": 49.9,
    "PO4": 1.44,
    "SiOH4": 21.41,
    "NO3_NO2": 18.22,
    "NO2": 0.24,
    "NH4": 0.92,
    "NO3": 17.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8574, 59.932] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 118,
    "stn_id": "MS3",
    "water_depth": 167,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1453",
    "depth": 75.8,
    "PO4": 1.48,
    "SiOH4": 23.4,
    "NO3_NO2": 19.49,
    "NO2": 0.29,
    "NH4": 0.73,
    "NO3": 19.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8574, 59.932] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 118,
    "stn_id": "MS3",
    "water_depth": 167,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1453",
    "depth": 101.6,
    "PO4": 1.58,
    "SiOH4": 25.08,
    "NO3_NO2": 20.98,
    "NO2": 0.27,
    "NH4": 0.62,
    "NO3": 20.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8574, 59.932] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 118,
    "stn_id": "MS3",
    "water_depth": 167,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1453",
    "depth": 126.5,
    "PO4": 1.81,
    "SiOH4": 29.51,
    "NO3_NO2": 25.26,
    "NO2": 0.17,
    "NH4": 0.08,
    "NO3": 25.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8574, 59.932] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 118,
    "stn_id": "MS3",
    "water_depth": 167,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1453",
    "depth": 164.8,
    "PO4": 1.64,
    "SiOH4": 24.87,
    "NO3_NO2": 22.2,
    "NO2": 0.24,
    "NH4": 0.22,
    "NO3": 21.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8288, 59.9206] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 119,
    "stn_id": "MS4",
    "water_depth": 119,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1518",
    "depth": 1.7,
    "PO4": 0.35,
    "SiOH4": 4.66,
    "NO3_NO2": 2.85,
    "NO2": 0.05,
    "NH4": 0.01,
    "NO3": 2.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8288, 59.9206] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 119,
    "stn_id": "MS4",
    "water_depth": 119,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1518",
    "depth": 9.9,
    "PO4": 0.79,
    "SiOH4": 12.94,
    "NO3_NO2": 10.32,
    "NO2": 0.12,
    "NH4": 0.03,
    "NO3": 10.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8288, 59.9206] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 119,
    "stn_id": "MS4",
    "water_depth": 119,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1518",
    "depth": 20.0,
    "PO4": 1.0,
    "SiOH4": 16.79,
    "NO3_NO2": 13.71,
    "NO2": 0.13,
    "NH4": 0.17,
    "NO3": 13.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8288, 59.9206] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 119,
    "stn_id": "MS4",
    "water_depth": 119,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1518",
    "depth": 30.0,
    "PO4": 1.18,
    "SiOH4": 19.14,
    "NO3_NO2": 15.82,
    "NO2": 0.15,
    "NH4": 0.2,
    "NO3": 15.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8288, 59.9206] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 119,
    "stn_id": "MS4",
    "water_depth": 119,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1518",
    "depth": 39.5,
    "PO4": 1.36,
    "SiOH4": 21.54,
    "NO3_NO2": 18.03,
    "NO2": 0.12,
    "NH4": 0.63,
    "NO3": 17.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8288, 59.9206] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 119,
    "stn_id": "MS4",
    "water_depth": 119,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1518",
    "depth": 49.2,
    "PO4": 1.43,
    "SiOH4": 22.98,
    "NO3_NO2": 19.15,
    "NO2": 0.1,
    "NH4": 0.69,
    "NO3": 19.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8288, 59.9206] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 119,
    "stn_id": "MS4",
    "water_depth": 119,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1518",
    "depth": 76.3,
    "PO4": 1.61,
    "SiOH4": 25.7,
    "NO3_NO2": 21.78,
    "NO2": 0.22,
    "NH4": 0.45,
    "NO3": 21.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8288, 59.9206] },
  "properties": {
    "cruise_id": "HX243",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 119,
    "stn_id": "MS4",
    "water_depth": 119,
    "month_gmt": "05",
    "day_gmt": "13",
    "time_gmt": "1518",
    "depth": 104.4,
    "PO4": 1.71,
    "SiOH4": 27.21,
    "NO3_NO2": 23.27,
    "NO2": 0.2,
    "NH4": 0.31,
    "NO3": 23.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4676, 59.8442] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "06",
    "day_gmt": "28",
    "time_gmt": "2032",
    "depth": 0.0,
    "PO4": 0.1,
    "SiOH4": 2.47,
    "NO3_NO2": 0.07,
    "NO2": 0.03,
    "NH4": 0.01,
    "NO3": 0.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4676, 59.8442] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "06",
    "day_gmt": "28",
    "time_gmt": "2032",
    "depth": 10.0,
    "PO4": 0.5,
    "SiOH4": 2.71,
    "NO3_NO2": 1.53,
    "NO2": 0.05,
    "NH4": 0.3,
    "NO3": 1.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4676, 59.8442] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "06",
    "day_gmt": "28",
    "time_gmt": "2032",
    "depth": 20.0,
    "PO4": 0.72,
    "SiOH4": 8.86,
    "NO3_NO2": 7.32,
    "NO2": 0.13,
    "NH4": 3.23,
    "NO3": 7.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4676, 59.8442] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "06",
    "day_gmt": "28",
    "time_gmt": "2032",
    "depth": 30.0,
    "PO4": 1.19,
    "SiOH4": 14.1,
    "NO3_NO2": 11.3,
    "NO2": 0.21,
    "NH4": 5.91,
    "NO3": 11.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4676, 59.8442] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "06",
    "day_gmt": "28",
    "time_gmt": "2032",
    "depth": 40.0,
    "PO4": 1.1,
    "SiOH4": 18.26,
    "NO3_NO2": 15.0,
    "NO2": 0.39,
    "NH4": 2.51,
    "NO3": 14.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4676, 59.8442] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "06",
    "day_gmt": "28",
    "time_gmt": "2032",
    "depth": 50.0,
    "PO4": 1.13,
    "SiOH4": 21.3,
    "NO3_NO2": 17.02,
    "NO2": 0.39,
    "NH4": 1.79,
    "NO3": 16.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4676, 59.8442] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "06",
    "day_gmt": "28",
    "time_gmt": "2032",
    "depth": 75.0,
    "PO4": 1.27,
    "SiOH4": 25.93,
    "NO3_NO2": 18.76,
    "NO2": 0.31,
    "NH4": 1.3,
    "NO3": 18.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4676, 59.8442] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "06",
    "day_gmt": "28",
    "time_gmt": "2032",
    "depth": 100.0,
    "PO4": 1.28,
    "SiOH4": 24.42,
    "NO3_NO2": 19.04,
    "NO2": 0.31,
    "NH4": 0.47,
    "NO3": 18.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4676, 59.8442] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "06",
    "day_gmt": "28",
    "time_gmt": "2032",
    "depth": 150.0,
    "PO4": 1.52,
    "SiOH4": 26.28,
    "NO3_NO2": 22.46,
    "NO2": 0.05,
    "NH4": 0.01,
    "NO3": 22.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4676, 59.8442] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "06",
    "day_gmt": "28",
    "time_gmt": "2032",
    "depth": 200.0,
    "PO4": 1.97,
    "SiOH4": 34.54,
    "NO3_NO2": 26.78,
    "NO2": 0.08,
    "NH4": 0.01,
    "NO3": 26.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4676, 59.8442] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 2,
    "stn_id": "GAK1",
    "water_depth": 269,
    "month_gmt": "06",
    "day_gmt": "28",
    "time_gmt": "2032",
    "depth": 265.0,
    "PO4": 2.33,
    "SiOH4": 37.58,
    "NO3_NO2": 29.16,
    "NO2": 0.08,
    "NH4": 0.2,
    "NO3": 29.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7935, 58.0974] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2086,
    "month_gmt": "06",
    "day_gmt": "29",
    "time_gmt": "1653",
    "depth": 0.0,
    "PO4": 0.75,
    "SiOH4": 1.85,
    "NO3_NO2": 0.0,
    "NO2": 0.0,
    "NH4": 0.45,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7935, 58.0974] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2086,
    "month_gmt": "06",
    "day_gmt": "29",
    "time_gmt": "1653",
    "depth": 5.0,
    "PO4": 0.78,
    "SiOH4": 1.77,
    "NO3_NO2": 0.07,
    "NO2": 0.0,
    "NH4": 0.45,
    "NO3": 0.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7935, 58.0974] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2086,
    "month_gmt": "06",
    "day_gmt": "29",
    "time_gmt": "1653",
    "depth": 8.0,
    "PO4": null,
    "SiOH4": 1.68,
    "NO3_NO2": 0.0,
    "NO2": 0.0,
    "NH4": 0.45,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7935, 58.0974] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2086,
    "month_gmt": "06",
    "day_gmt": "29",
    "time_gmt": "1653",
    "depth": 14.0,
    "PO4": 0.8,
    "SiOH4": 4.61,
    "NO3_NO2": 0.58,
    "NO2": 0.01,
    "NH4": 0.03,
    "NO3": 0.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7935, 58.0974] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2086,
    "month_gmt": "06",
    "day_gmt": "29",
    "time_gmt": "1653",
    "depth": 20.0,
    "PO4": 1.56,
    "SiOH4": 11.98,
    "NO3_NO2": 8.3,
    "NO2": 0.17,
    "NH4": 0.27,
    "NO3": 8.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7935, 58.0974] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 3,
    "stn_id": "GAK13",
    "water_depth": 2086,
    "month_gmt": "06",
    "day_gmt": "29",
    "time_gmt": "1653",
    "depth": 30.0,
    "PO4": 2.0,
    "SiOH4": 14.57,
    "NO3_NO2": 11.29,
    "NO2": 0.22,
    "NH4": 0.48,
    "NO3": 11.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.793, 58.0983] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 4,
    "stn_id": "GAK13",
    "water_depth": 2089,
    "month_gmt": "06",
    "day_gmt": "29",
    "time_gmt": "1732",
    "depth": 0.0,
    "PO4": 0.7,
    "SiOH4": 2.17,
    "NO3_NO2": 0.07,
    "NO2": 0.01,
    "NH4": 0.09,
    "NO3": 0.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.793, 58.0983] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 4,
    "stn_id": "GAK13",
    "water_depth": 2089,
    "month_gmt": "06",
    "day_gmt": "29",
    "time_gmt": "1732",
    "depth": 10.0,
    "PO4": 0.72,
    "SiOH4": 3.05,
    "NO3_NO2": 0.15,
    "NO2": 0.01,
    "NH4": 0.15,
    "NO3": 0.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.793, 58.0983] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 4,
    "stn_id": "GAK13",
    "water_depth": 2089,
    "month_gmt": "06",
    "day_gmt": "29",
    "time_gmt": "1732",
    "depth": 20.0,
    "PO4": null,
    "SiOH4": 11.0,
    "NO3_NO2": 7.87,
    "NO2": 0.01,
    "NH4": 0.24,
    "NO3": 7.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.793, 58.0983] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 4,
    "stn_id": "GAK13",
    "water_depth": 2089,
    "month_gmt": "06",
    "day_gmt": "29",
    "time_gmt": "1732",
    "depth": 30.0,
    "PO4": 0.99,
    "SiOH4": 16.62,
    "NO3_NO2": 14.06,
    "NO2": 0.39,
    "NH4": 0.51,
    "NO3": 13.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.793, 58.0983] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 4,
    "stn_id": "GAK13",
    "water_depth": 2089,
    "month_gmt": "06",
    "day_gmt": "29",
    "time_gmt": "1732",
    "depth": 50.0,
    "PO4": 1.21,
    "SiOH4": 18.97,
    "NO3_NO2": 17.92,
    "NO2": 0.52,
    "NH4": 0.48,
    "NO3": 17.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.793, 58.0983] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 4,
    "stn_id": "GAK13",
    "water_depth": 2089,
    "month_gmt": "06",
    "day_gmt": "29",
    "time_gmt": "1732",
    "depth": 100.0,
    "PO4": 1.68,
    "SiOH4": 28.36,
    "NO3_NO2": 26.37,
    "NO2": 0.2,
    "NH4": 0.45,
    "NO3": 26.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.793, 58.0983] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 4,
    "stn_id": "GAK13",
    "water_depth": 2089,
    "month_gmt": "06",
    "day_gmt": "29",
    "time_gmt": "1732",
    "depth": 250.0,
    "PO4": 2.8,
    "SiOH4": null,
    "NO3_NO2": 45.9,
    "NO2": 0.12,
    "NH4": 0.15,
    "NO3": 45.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.793, 58.0983] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 4,
    "stn_id": "GAK13",
    "water_depth": 2089,
    "month_gmt": "06",
    "day_gmt": "29",
    "time_gmt": "1732",
    "depth": 500.0,
    "PO4": 3.39,
    "SiOH4": null,
    "NO3_NO2": 53.03,
    "NO2": 0.05,
    "NH4": 0.03,
    "NO3": 52.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.793, 58.0983] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 4,
    "stn_id": "GAK13",
    "water_depth": 2089,
    "month_gmt": "06",
    "day_gmt": "29",
    "time_gmt": "1732",
    "depth": 750.0,
    "PO4": 3.48,
    "SiOH4": null,
    "NO3_NO2": 53.84,
    "NO2": 0.02,
    "NH4": 0.06,
    "NO3": 53.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.793, 58.0983] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 4,
    "stn_id": "GAK13",
    "water_depth": 2089,
    "month_gmt": "06",
    "day_gmt": "29",
    "time_gmt": "1732",
    "depth": 1000.0,
    "PO4": 3.54,
    "SiOH4": null,
    "NO3_NO2": 54.42,
    "NO2": 0.0,
    "NH4": 0.03,
    "NO3": 54.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.793, 58.0983] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 4,
    "stn_id": "GAK13",
    "water_depth": 2089,
    "month_gmt": "06",
    "day_gmt": "29",
    "time_gmt": "1732",
    "depth": 1250.0,
    "PO4": 3.53,
    "SiOH4": null,
    "NO3_NO2": 54.42,
    "NO2": 0.05,
    "NH4": 0.03,
    "NO3": 54.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.793, 58.0983] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 4,
    "stn_id": "GAK13",
    "water_depth": 2089,
    "month_gmt": "06",
    "day_gmt": "29",
    "time_gmt": "1732",
    "depth": 1500.0,
    "PO4": 3.5,
    "SiOH4": null,
    "NO3_NO2": 54.35,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 54.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9357, 58.2441] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 9,
    "stn_id": "GAK12",
    "water_depth": 2172,
    "month_gmt": "06",
    "day_gmt": "29",
    "time_gmt": "2122",
    "depth": 0.0,
    "PO4": 0.05,
    "SiOH4": 3.47,
    "NO3_NO2": 0.07,
    "NO2": 0.03,
    "NH4": 0.1,
    "NO3": 0.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9357, 58.2441] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 9,
    "stn_id": "GAK12",
    "water_depth": 2172,
    "month_gmt": "06",
    "day_gmt": "29",
    "time_gmt": "2122",
    "depth": 10.0,
    "PO4": 0.05,
    "SiOH4": 3.09,
    "NO3_NO2": 0.44,
    "NO2": 0.15,
    "NH4": 0.1,
    "NO3": 0.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9357, 58.2441] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 9,
    "stn_id": "GAK12",
    "water_depth": 2172,
    "month_gmt": "06",
    "day_gmt": "29",
    "time_gmt": "2122",
    "depth": 20.0,
    "PO4": 0.48,
    "SiOH4": 13.09,
    "NO3_NO2": 7.06,
    "NO2": 0.03,
    "NH4": 0.19,
    "NO3": 7.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9357, 58.2441] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 9,
    "stn_id": "GAK12",
    "water_depth": 2172,
    "month_gmt": "06",
    "day_gmt": "29",
    "time_gmt": "2122",
    "depth": 30.0,
    "PO4": 1.01,
    "SiOH4": 16.11,
    "NO3_NO2": 15.16,
    "NO2": 0.25,
    "NH4": 0.39,
    "NO3": 14.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9357, 58.2441] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 9,
    "stn_id": "GAK12",
    "water_depth": 2172,
    "month_gmt": "06",
    "day_gmt": "29",
    "time_gmt": "2122",
    "depth": 50.0,
    "PO4": 1.14,
    "SiOH4": 16.83,
    "NO3_NO2": 17.54,
    "NO2": 0.37,
    "NH4": 0.13,
    "NO3": 17.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9357, 58.2441] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 9,
    "stn_id": "GAK12",
    "water_depth": 2172,
    "month_gmt": "06",
    "day_gmt": "29",
    "time_gmt": "2122",
    "depth": 100.0,
    "PO4": 1.18,
    "SiOH4": 20.24,
    "NO3_NO2": 18.95,
    "NO2": 0.06,
    "NH4": 0.19,
    "NO3": 18.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9357, 58.2441] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 9,
    "stn_id": "GAK12",
    "water_depth": 2172,
    "month_gmt": "06",
    "day_gmt": "29",
    "time_gmt": "2122",
    "depth": 250.0,
    "PO4": 2.93,
    "SiOH4": null,
    "NO3_NO2": 45.45,
    "NO2": 0.06,
    "NH4": 0.13,
    "NO3": 45.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9357, 58.2441] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 9,
    "stn_id": "GAK12",
    "water_depth": 2172,
    "month_gmt": "06",
    "day_gmt": "29",
    "time_gmt": "2122",
    "depth": 500.0,
    "PO4": 3.64,
    "SiOH4": null,
    "NO3_NO2": 53.63,
    "NO2": 0.12,
    "NH4": 0.19,
    "NO3": 53.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9357, 58.2441] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 9,
    "stn_id": "GAK12",
    "water_depth": 2172,
    "month_gmt": "06",
    "day_gmt": "29",
    "time_gmt": "2122",
    "depth": 750.0,
    "PO4": 3.8,
    "SiOH4": null,
    "NO3_NO2": 54.74,
    "NO2": 0.09,
    "NH4": 0.26,
    "NO3": 54.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9357, 58.2441] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 9,
    "stn_id": "GAK12",
    "water_depth": 2172,
    "month_gmt": "06",
    "day_gmt": "29",
    "time_gmt": "2122",
    "depth": 1000.0,
    "PO4": 3.86,
    "SiOH4": null,
    "NO3_NO2": 55.41,
    "NO2": 0.09,
    "NH4": 0.23,
    "NO3": 55.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9357, 58.2441] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 9,
    "stn_id": "GAK12",
    "water_depth": 2172,
    "month_gmt": "06",
    "day_gmt": "29",
    "time_gmt": "2122",
    "depth": 1250.0,
    "PO4": 3.85,
    "SiOH4": null,
    "NO3_NO2": 55.48,
    "NO2": 0.09,
    "NH4": 0.23,
    "NO3": 55.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9357, 58.2441] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 9,
    "stn_id": "GAK12",
    "water_depth": 2172,
    "month_gmt": "06",
    "day_gmt": "29",
    "time_gmt": "2122",
    "depth": 1500.0,
    "PO4": 3.51,
    "SiOH4": null,
    "NO3_NO2": 55.32,
    "NO2": 0.03,
    "NH4": 0.19,
    "NO3": 55.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0715, 58.3901] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 10,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0014",
    "depth": 0.0,
    "PO4": 0.36,
    "SiOH4": 3.63,
    "NO3_NO2": 0.38,
    "NO2": 0.01,
    "NH4": 0.02,
    "NO3": 0.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0715, 58.3901] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 10,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0014",
    "depth": 10.0,
    "PO4": 0.75,
    "SiOH4": 11.32,
    "NO3_NO2": 7.54,
    "NO2": 0.01,
    "NH4": 0.02,
    "NO3": 7.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0715, 58.3901] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 10,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0014",
    "depth": 20.0,
    "PO4": 0.93,
    "SiOH4": 14.3,
    "NO3_NO2": 12.77,
    "NO2": 0.01,
    "NH4": 0.02,
    "NO3": 12.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0715, 58.3901] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 10,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0014",
    "depth": 40.0,
    "PO4": 1.3,
    "SiOH4": 19.05,
    "NO3_NO2": 18.69,
    "NO2": 0.01,
    "NH4": 0.02,
    "NO3": 18.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0715, 58.3901] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 10,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0014",
    "depth": 50.0,
    "PO4": 1.5,
    "SiOH4": 22.07,
    "NO3_NO2": 22.08,
    "NO2": 0.01,
    "NH4": 0.02,
    "NO3": 22.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0715, 58.3901] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 10,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0014",
    "depth": 100.0,
    "PO4": 2.21,
    "SiOH4": 39.06,
    "NO3_NO2": 34.92,
    "NO2": 0.01,
    "NH4": 0.02,
    "NO3": 34.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0715, 58.3901] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 10,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0014",
    "depth": 250.0,
    "PO4": 3.02,
    "SiOH4": null,
    "NO3_NO2": 48.23,
    "NO2": 0.01,
    "NH4": 0.02,
    "NO3": 48.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0715, 58.3901] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 10,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0014",
    "depth": 500.0,
    "PO4": 3.57,
    "SiOH4": null,
    "NO3_NO2": 55.38,
    "NO2": 0.01,
    "NH4": 0.02,
    "NO3": 55.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0715, 58.3901] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 10,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0014",
    "depth": 750.0,
    "PO4": 3.68,
    "SiOH4": null,
    "NO3_NO2": 56.84,
    "NO2": 0.01,
    "NH4": 0.02,
    "NO3": 56.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0715, 58.3901] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 10,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0014",
    "depth": 1000.0,
    "PO4": 3.71,
    "SiOH4": null,
    "NO3_NO2": 57.38,
    "NO2": 0.01,
    "NH4": 0.02,
    "NO3": 57.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0715, 58.3901] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 10,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0014",
    "depth": 1250.0,
    "PO4": 3.72,
    "SiOH4": null,
    "NO3_NO2": 57.46,
    "NO2": 0.01,
    "NH4": 0.02,
    "NO3": 57.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.0715, 58.3901] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 10,
    "stn_id": "GAK11",
    "water_depth": 1430,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0014",
    "depth": 1431.0,
    "PO4": 3.73,
    "SiOH4": null,
    "NO3_NO2": 57.31,
    "NO2": 0.01,
    "NH4": 0.02,
    "NO3": 57.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2114, 58.5422] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 11,
    "stn_id": "GAK10",
    "water_depth": 1460,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0313",
    "depth": 0.0,
    "PO4": 0.62,
    "SiOH4": 10.24,
    "NO3_NO2": 1.91,
    "NO2": 0.06,
    "NH4": 0.02,
    "NO3": 1.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2114, 58.5422] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 11,
    "stn_id": "GAK10",
    "water_depth": 1460,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0313",
    "depth": 10.0,
    "PO4": 0.79,
    "SiOH4": 11.97,
    "NO3_NO2": 6.54,
    "NO2": 0.13,
    "NH4": 0.31,
    "NO3": 6.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2114, 58.5422] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 11,
    "stn_id": "GAK10",
    "water_depth": 1460,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0313",
    "depth": 20.0,
    "PO4": 1.05,
    "SiOH4": 14.91,
    "NO3_NO2": 10.8,
    "NO2": 0.32,
    "NH4": 0.9,
    "NO3": 10.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2114, 58.5422] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 11,
    "stn_id": "GAK10",
    "water_depth": 1460,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0313",
    "depth": 30.0,
    "PO4": 1.25,
    "SiOH4": 19.8,
    "NO3_NO2": 15.66,
    "NO2": 0.32,
    "NH4": 0.8,
    "NO3": 15.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2114, 58.5422] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 11,
    "stn_id": "GAK10",
    "water_depth": 1460,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0313",
    "depth": 50.0,
    "PO4": 1.41,
    "SiOH4": 22.22,
    "NO3_NO2": 19.54,
    "NO2": 0.37,
    "NH4": 0.26,
    "NO3": 19.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2114, 58.5422] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 11,
    "stn_id": "GAK10",
    "water_depth": 1460,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0313",
    "depth": 100.0,
    "PO4": 1.45,
    "SiOH4": 27.73,
    "NO3_NO2": 20.99,
    "NO2": 0.12,
    "NH4": 0.2,
    "NO3": 20.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2114, 58.5422] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 11,
    "stn_id": "GAK10",
    "water_depth": 1460,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0313",
    "depth": 250.0,
    "PO4": 3.26,
    "SiOH4": null,
    "NO3_NO2": 52.09,
    "NO2": 0.03,
    "NH4": 0.07,
    "NO3": 52.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2114, 58.5422] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 11,
    "stn_id": "GAK10",
    "water_depth": 1460,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0313",
    "depth": 500.0,
    "PO4": 3.53,
    "SiOH4": null,
    "NO3_NO2": 55.81,
    "NO2": 0.03,
    "NH4": 0.0,
    "NO3": 55.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2114, 58.5422] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 11,
    "stn_id": "GAK10",
    "water_depth": 1460,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0313",
    "depth": 750.0,
    "PO4": 3.55,
    "SiOH4": null,
    "NO3_NO2": 55.9,
    "NO2": 0.01,
    "NH4": 0.09,
    "NO3": 55.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2114, 58.5422] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 11,
    "stn_id": "GAK10",
    "water_depth": 1460,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0313",
    "depth": 1000.0,
    "PO4": 3.59,
    "SiOH4": null,
    "NO3_NO2": 56.14,
    "NO2": 0.03,
    "NH4": 0.02,
    "NO3": 56.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2114, 58.5422] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 11,
    "stn_id": "GAK10",
    "water_depth": 1460,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0313",
    "depth": 1250.0,
    "PO4": 3.55,
    "SiOH4": null,
    "NO3_NO2": 56.38,
    "NO2": 0.01,
    "NH4": 0.01,
    "NO3": 56.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2114, 58.5422] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 11,
    "stn_id": "GAK10",
    "water_depth": 1460,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0313",
    "depth": 1462.0,
    "PO4": 3.45,
    "SiOH4": null,
    "NO3_NO2": 55.48,
    "NO2": 0.02,
    "NH4": 0.07,
    "NO3": 55.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2799, 58.615] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 12,
    "stn_id": "GAK9I",
    "water_depth": 650,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0454",
    "depth": 0.0,
    "PO4": 0.88,
    "SiOH4": 11.6,
    "NO3_NO2": 1.43,
    "NO2": 0.03,
    "NH4": 0.0,
    "NO3": 1.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2799, 58.615] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 12,
    "stn_id": "GAK9I",
    "water_depth": 650,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0454",
    "depth": 10.0,
    "PO4": 1.15,
    "SiOH4": 17.94,
    "NO3_NO2": 8.05,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 8.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2799, 58.615] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 12,
    "stn_id": "GAK9I",
    "water_depth": 650,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0454",
    "depth": 20.0,
    "PO4": 1.35,
    "SiOH4": 19.35,
    "NO3_NO2": 11.36,
    "NO2": 0.03,
    "NH4": 0.35,
    "NO3": 11.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2799, 58.615] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 12,
    "stn_id": "GAK9I",
    "water_depth": 650,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0454",
    "depth": 30.0,
    "PO4": 1.54,
    "SiOH4": 20.89,
    "NO3_NO2": 15.5,
    "NO2": 0.03,
    "NH4": 0.54,
    "NO3": 15.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2799, 58.615] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 12,
    "stn_id": "GAK9I",
    "water_depth": 650,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0454",
    "depth": 40.0,
    "PO4": 1.68,
    "SiOH4": 22.87,
    "NO3_NO2": 18.13,
    "NO2": 0.18,
    "NH4": 0.58,
    "NO3": 17.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2799, 58.615] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 12,
    "stn_id": "GAK9I",
    "water_depth": 650,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0454",
    "depth": 50.0,
    "PO4": 1.75,
    "SiOH4": 23.31,
    "NO3_NO2": 19.33,
    "NO2": 0.28,
    "NH4": 0.51,
    "NO3": 19.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2799, 58.615] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 12,
    "stn_id": "GAK9I",
    "water_depth": 650,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0454",
    "depth": 75.0,
    "PO4": 2.16,
    "SiOH4": 33.86,
    "NO3_NO2": 29.11,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 29.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2799, 58.615] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 12,
    "stn_id": "GAK9I",
    "water_depth": 650,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0454",
    "depth": 100.0,
    "PO4": 2.75,
    "SiOH4": null,
    "NO3_NO2": 42.05,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 42.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2799, 58.615] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 12,
    "stn_id": "GAK9I",
    "water_depth": 650,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0454",
    "depth": 150.0,
    "PO4": 3.23,
    "SiOH4": null,
    "NO3_NO2": 50.86,
    "NO2": 0.03,
    "NH4": 0.26,
    "NO3": 50.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2799, 58.615] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 12,
    "stn_id": "GAK9I",
    "water_depth": 650,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0454",
    "depth": 250.0,
    "PO4": 3.27,
    "SiOH4": null,
    "NO3_NO2": 51.16,
    "NO2": 0.03,
    "NH4": 0.22,
    "NO3": 51.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2799, 58.615] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 12,
    "stn_id": "GAK9I",
    "water_depth": 650,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0454",
    "depth": 500.0,
    "PO4": 3.49,
    "SiOH4": null,
    "NO3_NO2": 54.62,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 54.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.2799, 58.615] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 12,
    "stn_id": "GAK9I",
    "water_depth": 650,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0454",
    "depth": 638.0,
    "PO4": 3.55,
    "SiOH4": null,
    "NO3_NO2": 54.84,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 54.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3494, 58.6808] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 13,
    "stn_id": "GAK9",
    "water_depth": 510,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0559",
    "depth": 0.0,
    "PO4": 0.88,
    "SiOH4": 15.27,
    "NO3_NO2": 4.39,
    "NO2": 0.03,
    "NH4": 0.27,
    "NO3": 4.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3494, 58.6808] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 13,
    "stn_id": "GAK9",
    "water_depth": 510,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0559",
    "depth": 10.0,
    "PO4": 0.74,
    "SiOH4": 15.4,
    "NO3_NO2": 4.56,
    "NO2": 0.32,
    "NH4": 0.34,
    "NO3": 4.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3494, 58.6808] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 13,
    "stn_id": "GAK9",
    "water_depth": 510,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0559",
    "depth": 20.0,
    "PO4": 0.86,
    "SiOH4": 17.37,
    "NO3_NO2": 7.51,
    "NO2": 0.03,
    "NH4": 0.37,
    "NO3": 7.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3494, 58.6808] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 13,
    "stn_id": "GAK9",
    "water_depth": 510,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0559",
    "depth": 30.0,
    "PO4": 1.36,
    "SiOH4": 21.17,
    "NO3_NO2": 15.38,
    "NO2": 0.03,
    "NH4": 0.47,
    "NO3": 14.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3494, 58.6808] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 13,
    "stn_id": "GAK9",
    "water_depth": 510,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0559",
    "depth": 40.0,
    "PO4": 1.38,
    "SiOH4": 21.57,
    "NO3_NO2": 16.71,
    "NO2": 0.29,
    "NH4": 0.4,
    "NO3": 16.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3494, 58.6808] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 13,
    "stn_id": "GAK9",
    "water_depth": 510,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0559",
    "depth": 50.0,
    "PO4": 1.51,
    "SiOH4": 22.68,
    "NO3_NO2": 18.34,
    "NO2": 0.42,
    "NH4": 0.2,
    "NO3": 18.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3494, 58.6808] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 13,
    "stn_id": "GAK9",
    "water_depth": 510,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0559",
    "depth": 75.0,
    "PO4": 1.63,
    "SiOH4": 26.29,
    "NO3_NO2": 22.42,
    "NO2": 0.29,
    "NH4": 0.17,
    "NO3": 22.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3494, 58.6808] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 13,
    "stn_id": "GAK9",
    "water_depth": 510,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0559",
    "depth": 100.0,
    "PO4": 2.2,
    "SiOH4": 39.15,
    "NO3_NO2": 32.04,
    "NO2": 0.03,
    "NH4": 0.17,
    "NO3": 31.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3494, 58.6808] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 13,
    "stn_id": "GAK9",
    "water_depth": 510,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0559",
    "depth": 125.0,
    "PO4": 2.41,
    "SiOH4": 45.64,
    "NO3_NO2": 36.11,
    "NO2": 0.08,
    "NH4": 0.1,
    "NO3": 36.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3494, 58.6808] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 13,
    "stn_id": "GAK9",
    "water_depth": 510,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0559",
    "depth": 175.0,
    "PO4": 2.66,
    "SiOH4": null,
    "NO3_NO2": 41.15,
    "NO2": 0.16,
    "NH4": 0.13,
    "NO3": 41.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3494, 58.6808] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 13,
    "stn_id": "GAK9",
    "water_depth": 510,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0559",
    "depth": 200.0,
    "PO4": 2.95,
    "SiOH4": null,
    "NO3_NO2": 44.88,
    "NO2": 0.16,
    "NH4": 0.23,
    "NO3": 44.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3494, 58.6808] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 13,
    "stn_id": "GAK9",
    "water_depth": 510,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "0559",
    "depth": 282.0,
    "PO4": 2.96,
    "SiOH4": null,
    "NO3_NO2": 46.1,
    "NO2": 0.16,
    "NH4": 0.34,
    "NO3": 45.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3491, 58.6791] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 14,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1410",
    "depth": 0.0,
    "PO4": 0.81,
    "SiOH4": 18.62,
    "NO3_NO2": 7.47,
    "NO2": 0.24,
    "NH4": 0.37,
    "NO3": 7.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3491, 58.6791] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 14,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1410",
    "depth": 6.0,
    "PO4": 0.69,
    "SiOH4": 18.35,
    "NO3_NO2": 6.4,
    "NO2": 0.26,
    "NH4": 0.03,
    "NO3": 6.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3491, 58.6791] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 14,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1410",
    "depth": 10.0,
    "PO4": 0.7,
    "SiOH4": 18.73,
    "NO3_NO2": 6.5,
    "NO2": 0.24,
    "NH4": 0.03,
    "NO3": 6.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3491, 58.6791] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 14,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1410",
    "depth": 18.0,
    "PO4": 0.86,
    "SiOH4": 18.92,
    "NO3_NO2": 8.45,
    "NO2": 0.21,
    "NH4": 0.1,
    "NO3": 8.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3491, 58.6791] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 14,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1410",
    "depth": 26.0,
    "PO4": 1.06,
    "SiOH4": 19.94,
    "NO3_NO2": 10.78,
    "NO2": 0.21,
    "NH4": 0.34,
    "NO3": 10.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.3491, 58.6791] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 14,
    "stn_id": "GAK9",
    "water_depth": 278,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1410",
    "depth": 40.0,
    "PO4": 1.2,
    "SiOH4": 21.86,
    "NO3_NO2": 15.87,
    "NO2": 0.32,
    "NH4": 0.67,
    "NO3": 15.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4213, 58.7435] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1623",
    "depth": 0.0,
    "PO4": 1.07,
    "SiOH4": 18.06,
    "NO3_NO2": 7.36,
    "NO2": 0.22,
    "NH4": 1.63,
    "NO3": 7.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4213, 58.7435] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1623",
    "depth": 20.0,
    "PO4": 1.07,
    "SiOH4": 18.37,
    "NO3_NO2": 11.11,
    "NO2": 0.2,
    "NH4": 0.54,
    "NO3": 10.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4213, 58.7435] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1623",
    "depth": 30.0,
    "PO4": 1.22,
    "SiOH4": 19.16,
    "NO3_NO2": 14.66,
    "NO2": 0.27,
    "NH4": 0.79,
    "NO3": 14.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4213, 58.7435] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1623",
    "depth": 40.0,
    "PO4": 1.28,
    "SiOH4": 19.26,
    "NO3_NO2": 16.43,
    "NO2": 0.42,
    "NH4": 0.75,
    "NO3": 16.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4213, 58.7435] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1623",
    "depth": 50.0,
    "PO4": 1.29,
    "SiOH4": 19.27,
    "NO3_NO2": 16.96,
    "NO2": 0.46,
    "NH4": 0.5,
    "NO3": 16.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4213, 58.7435] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1623",
    "depth": 75.0,
    "PO4": 1.63,
    "SiOH4": 24.95,
    "NO3_NO2": 23.98,
    "NO2": 0.36,
    "NH4": 0.11,
    "NO3": 23.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4213, 58.7435] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1623",
    "depth": 125.0,
    "PO4": 2.52,
    "SiOH4": 45.18,
    "NO3_NO2": 39.28,
    "NO2": 0.09,
    "NH4": 0.07,
    "NO3": 39.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4213, 58.7435] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1623",
    "depth": 175.0,
    "PO4": 2.77,
    "SiOH4": null,
    "NO3_NO2": 44.06,
    "NO2": 0.09,
    "NH4": 0.07,
    "NO3": 43.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4213, 58.7435] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1623",
    "depth": 225.0,
    "PO4": 3.08,
    "SiOH4": null,
    "NO3_NO2": 48.16,
    "NO2": 0.08,
    "NH4": 0.21,
    "NO3": 48.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4213, 58.7435] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 19,
    "stn_id": "GAK8I",
    "water_depth": 290,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1623",
    "depth": 286.0,
    "PO4": 3.23,
    "SiOH4": null,
    "NO3_NO2": 49.55,
    "NO2": 0.11,
    "NH4": 0.18,
    "NO3": 49.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4918, 58.7924] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 20,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1712",
    "depth": 0.0,
    "PO4": 0.6,
    "SiOH4": 19.56,
    "NO3_NO2": 7.51,
    "NO2": 0.2,
    "NH4": 0.04,
    "NO3": 7.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4918, 58.7924] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 20,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1712",
    "depth": 10.0,
    "PO4": 0.58,
    "SiOH4": 19.49,
    "NO3_NO2": 7.65,
    "NO2": 0.19,
    "NH4": 0.04,
    "NO3": 7.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4918, 58.7924] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 20,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1712",
    "depth": 20.0,
    "PO4": 0.7,
    "SiOH4": 20.72,
    "NO3_NO2": 9.24,
    "NO2": 0.19,
    "NH4": 0.14,
    "NO3": 9.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4918, 58.7924] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 20,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1712",
    "depth": 30.0,
    "PO4": 1.01,
    "SiOH4": 21.35,
    "NO3_NO2": 12.78,
    "NO2": 0.21,
    "NH4": 0.79,
    "NO3": 12.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4918, 58.7924] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 20,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1712",
    "depth": 40.0,
    "PO4": 1.14,
    "SiOH4": 22.67,
    "NO3_NO2": 15.95,
    "NO2": 0.28,
    "NH4": 0.75,
    "NO3": 15.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4918, 58.7924] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 20,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1712",
    "depth": 50.0,
    "PO4": 1.15,
    "SiOH4": 23.03,
    "NO3_NO2": 16.02,
    "NO2": 0.34,
    "NH4": 0.29,
    "NO3": 15.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4918, 58.7924] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 20,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1712",
    "depth": 75.0,
    "PO4": 1.61,
    "SiOH4": 29.47,
    "NO3_NO2": 25.61,
    "NO2": 0.05,
    "NH4": 0.04,
    "NO3": 25.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4918, 58.7924] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 20,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1712",
    "depth": 100.0,
    "PO4": 1.99,
    "SiOH4": 36.82,
    "NO3_NO2": 31.38,
    "NO2": 0.05,
    "NH4": 0.04,
    "NO3": 31.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4918, 58.7924] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 20,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1712",
    "depth": 125.0,
    "PO4": 2.33,
    "SiOH4": null,
    "NO3_NO2": 38.32,
    "NO2": 0.05,
    "NH4": 0.04,
    "NO3": 38.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4918, 58.7924] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 20,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1712",
    "depth": 150.0,
    "PO4": 2.62,
    "SiOH4": null,
    "NO3_NO2": 43.38,
    "NO2": 0.05,
    "NH4": 0.04,
    "NO3": 43.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4918, 58.7924] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 20,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1712",
    "depth": 225.0,
    "PO4": 3.1,
    "SiOH4": null,
    "NO3_NO2": 50.42,
    "NO2": 0.05,
    "NH4": 0.07,
    "NO3": 50.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.4918, 58.7924] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 20,
    "stn_id": "GAK8",
    "water_depth": 290,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1712",
    "depth": 285.0,
    "PO4": 3.18,
    "SiOH4": null,
    "NO3_NO2": 51.28,
    "NO2": 0.05,
    "NH4": 0.07,
    "NO3": 51.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5611, 58.8819] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 21,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1817",
    "depth": 0.0,
    "PO4": 0.86,
    "SiOH4": 16.92,
    "NO3_NO2": 5.73,
    "NO2": 0.12,
    "NH4": 0.38,
    "NO3": 5.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5611, 58.8819] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 21,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1817",
    "depth": 10.0,
    "PO4": 0.79,
    "SiOH4": 16.93,
    "NO3_NO2": 6.31,
    "NO2": 0.11,
    "NH4": 0.3,
    "NO3": 6.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5611, 58.8819] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 21,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1817",
    "depth": 20.0,
    "PO4": 1.1,
    "SiOH4": 19.84,
    "NO3_NO2": 12.41,
    "NO2": 0.13,
    "NH4": 0.81,
    "NO3": 12.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5611, 58.8819] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 21,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1817",
    "depth": 30.0,
    "PO4": 1.38,
    "SiOH4": 21.18,
    "NO3_NO2": 16.96,
    "NO2": 0.24,
    "NH4": 0.64,
    "NO3": 16.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5611, 58.8819] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 21,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1817",
    "depth": 40.0,
    "PO4": 1.43,
    "SiOH4": 21.84,
    "NO3_NO2": 18.36,
    "NO2": 0.27,
    "NH4": 0.51,
    "NO3": 18.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5611, 58.8819] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 21,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1817",
    "depth": 50.0,
    "PO4": 1.5,
    "SiOH4": 23.03,
    "NO3_NO2": 20.55,
    "NO2": 0.27,
    "NH4": 0.3,
    "NO3": 20.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5611, 58.8819] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 21,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1817",
    "depth": 75.0,
    "PO4": 1.8,
    "SiOH4": 28.17,
    "NO3_NO2": 25.9,
    "NO2": 0.05,
    "NH4": 0.04,
    "NO3": 25.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5611, 58.8819] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 21,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1817",
    "depth": 100.0,
    "PO4": 2.06,
    "SiOH4": 34.54,
    "NO3_NO2": 31.03,
    "NO2": 0.05,
    "NH4": 0.04,
    "NO3": 30.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5611, 58.8819] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 21,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1817",
    "depth": 125.0,
    "PO4": 2.36,
    "SiOH4": 43.4,
    "NO3_NO2": 37.26,
    "NO2": 0.05,
    "NH4": 0.04,
    "NO3": 37.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5611, 58.8819] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 21,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1817",
    "depth": 175.0,
    "PO4": 2.89,
    "SiOH4": null,
    "NO3_NO2": 46.31,
    "NO2": 0.05,
    "NH4": 0.04,
    "NO3": 46.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5611, 58.8819] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 21,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1817",
    "depth": 225.0,
    "PO4": 3.14,
    "SiOH4": null,
    "NO3_NO2": 50.29,
    "NO2": 0.05,
    "NH4": 0.04,
    "NO3": 50.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.5611, 58.8819] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 21,
    "stn_id": "GAK7I",
    "water_depth": 300,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1817",
    "depth": 285.0,
    "PO4": 3.25,
    "SiOH4": null,
    "NO3_NO2": 51.54,
    "NO2": 0.05,
    "NH4": 0.04,
    "NO3": 51.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6316, 58.9715] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 22,
    "stn_id": "GAK7",
    "water_depth": 245,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1911",
    "depth": 0.0,
    "PO4": 0.65,
    "SiOH4": 14.12,
    "NO3_NO2": 3.53,
    "NO2": 0.11,
    "NH4": 0.04,
    "NO3": 3.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6316, 58.9715] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 22,
    "stn_id": "GAK7",
    "water_depth": 245,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1911",
    "depth": 10.0,
    "PO4": 0.63,
    "SiOH4": 14.17,
    "NO3_NO2": 4.47,
    "NO2": 0.1,
    "NH4": 0.09,
    "NO3": 4.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6316, 58.9715] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 22,
    "stn_id": "GAK7",
    "water_depth": 245,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1911",
    "depth": 20.0,
    "PO4": 1.01,
    "SiOH4": 17.85,
    "NO3_NO2": 11.56,
    "NO2": 0.15,
    "NH4": 0.96,
    "NO3": 11.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6316, 58.9715] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 22,
    "stn_id": "GAK7",
    "water_depth": 245,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1911",
    "depth": 30.0,
    "PO4": 1.35,
    "SiOH4": 20.95,
    "NO3_NO2": 17.94,
    "NO2": 0.24,
    "NH4": 1.04,
    "NO3": 17.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6316, 58.9715] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 22,
    "stn_id": "GAK7",
    "water_depth": 245,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1911",
    "depth": 40.0,
    "PO4": 1.42,
    "SiOH4": 20.93,
    "NO3_NO2": 19.89,
    "NO2": 0.33,
    "NH4": 0.65,
    "NO3": 19.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6316, 58.9715] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 22,
    "stn_id": "GAK7",
    "water_depth": 245,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1911",
    "depth": 50.0,
    "PO4": 1.51,
    "SiOH4": 22.2,
    "NO3_NO2": 22.65,
    "NO2": 0.24,
    "NH4": 0.09,
    "NO3": 22.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6316, 58.9715] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 22,
    "stn_id": "GAK7",
    "water_depth": 245,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1911",
    "depth": 75.0,
    "PO4": 1.74,
    "SiOH4": 27.39,
    "NO3_NO2": 27.81,
    "NO2": 0.07,
    "NH4": 0.04,
    "NO3": 27.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6316, 58.9715] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 22,
    "stn_id": "GAK7",
    "water_depth": 245,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1911",
    "depth": 100.0,
    "PO4": 2.14,
    "SiOH4": 36.73,
    "NO3_NO2": 35.51,
    "NO2": 0.02,
    "NH4": 0.09,
    "NO3": 35.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6316, 58.9715] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 22,
    "stn_id": "GAK7",
    "water_depth": 245,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1911",
    "depth": 125.0,
    "PO4": 2.59,
    "SiOH4": 46.84,
    "NO3_NO2": 43.96,
    "NO2": 0.01,
    "NH4": 0.26,
    "NO3": 43.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6316, 58.9715] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 22,
    "stn_id": "GAK7",
    "water_depth": 245,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1911",
    "depth": 150.0,
    "PO4": 2.8,
    "SiOH4": null,
    "NO3_NO2": 47.93,
    "NO2": 0.01,
    "NH4": 0.26,
    "NO3": 47.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6316, 58.9715] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 22,
    "stn_id": "GAK7",
    "water_depth": 245,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1911",
    "depth": 175.0,
    "PO4": 2.91,
    "SiOH4": null,
    "NO3_NO2": 51.0,
    "NO2": 0.02,
    "NH4": 0.22,
    "NO3": 50.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.6316, 58.9715] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 22,
    "stn_id": "GAK7",
    "water_depth": 245,
    "month_gmt": "06",
    "day_gmt": "30",
    "time_gmt": "1911",
    "depth": 240.0,
    "PO4": 3.14,
    "SiOH4": null,
    "NO3_NO2": 54.13,
    "NO2": 0.01,
    "NH4": 0.22,
    "NO3": 54.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4655, 59.8451] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 23,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "0513",
    "depth": 0.0,
    "PO4": 0.36,
    "SiOH4": 2.07,
    "NO3_NO2": 0.0,
    "NO2": 0.0,
    "NH4": 0.01,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4655, 59.8451] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 23,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "0513",
    "depth": 10.0,
    "PO4": 0.46,
    "SiOH4": 1.24,
    "NO3_NO2": 0.0,
    "NO2": 0.0,
    "NH4": 0.01,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4655, 59.8451] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 23,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "0513",
    "depth": 20.0,
    "PO4": 0.91,
    "SiOH4": 3.95,
    "NO3_NO2": 2.89,
    "NO2": 0.11,
    "NH4": 0.67,
    "NO3": 2.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4655, 59.8451] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 23,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "0513",
    "depth": 30.0,
    "PO4": 1.46,
    "SiOH4": 10.12,
    "NO3_NO2": 9.86,
    "NO2": 0.34,
    "NH4": 3.23,
    "NO3": 9.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4655, 59.8451] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 23,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "0513",
    "depth": 40.0,
    "PO4": 1.53,
    "SiOH4": 14.58,
    "NO3_NO2": 13.72,
    "NO2": 0.42,
    "NH4": 2.41,
    "NO3": 13.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4655, 59.8451] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 23,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "0513",
    "depth": 50.0,
    "PO4": 1.51,
    "SiOH4": 18.02,
    "NO3_NO2": 14.85,
    "NO2": 0.32,
    "NH4": 1.44,
    "NO3": 14.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4655, 59.8451] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 23,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "0513",
    "depth": 75.0,
    "PO4": 1.74,
    "SiOH4": 24.01,
    "NO3_NO2": 20.21,
    "NO2": 0.36,
    "NH4": 0.05,
    "NO3": 19.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4655, 59.8451] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 23,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "0513",
    "depth": 100.0,
    "PO4": 1.66,
    "SiOH4": 22.33,
    "NO3_NO2": 19.67,
    "NO2": 0.09,
    "NH4": 0.01,
    "NO3": 19.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4655, 59.8451] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 23,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "0513",
    "depth": 125.0,
    "PO4": 1.76,
    "SiOH4": 24.43,
    "NO3_NO2": 21.67,
    "NO2": 0.04,
    "NH4": 0.01,
    "NO3": 21.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4655, 59.8451] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 23,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "0513",
    "depth": 175.0,
    "PO4": 1.97,
    "SiOH4": 30.76,
    "NO3_NO2": 25.38,
    "NO2": 0.04,
    "NH4": 0.01,
    "NO3": 25.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4655, 59.8451] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 23,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "0513",
    "depth": 220.0,
    "PO4": 2.07,
    "SiOH4": 33.79,
    "NO3_NO2": 27.5,
    "NO2": 0.06,
    "NH4": 0.01,
    "NO3": 27.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4655, 59.8451] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 23,
    "stn_id": "GAK1",
    "water_depth": 272,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "0513",
    "depth": 265.0,
    "PO4": 2.13,
    "SiOH4": 34.53,
    "NO3_NO2": 28.72,
    "NO2": 0.07,
    "NH4": 0.01,
    "NO3": 28.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0494, 59.4077] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 24,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1452",
    "depth": 0.0,
    "PO4": 0.4,
    "SiOH4": 10.11,
    "NO3_NO2": 0.0,
    "NO2": 0.0,
    "NH4": 0.09,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0494, 59.4077] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 24,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1452",
    "depth": 10.0,
    "PO4": 0.32,
    "SiOH4": 10.18,
    "NO3_NO2": 0.0,
    "NO2": 0.0,
    "NH4": 0.03,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0494, 59.4077] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 24,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1452",
    "depth": 20.0,
    "PO4": 0.84,
    "SiOH4": 14.74,
    "NO3_NO2": 6.96,
    "NO2": 0.15,
    "NH4": 0.12,
    "NO3": 6.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0494, 59.4077] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 24,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1452",
    "depth": 30.0,
    "PO4": 1.21,
    "SiOH4": 17.98,
    "NO3_NO2": 13.62,
    "NO2": 0.37,
    "NH4": 0.46,
    "NO3": 13.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0494, 59.4077] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 24,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1452",
    "depth": 40.0,
    "PO4": 1.28,
    "SiOH4": 18.18,
    "NO3_NO2": 15.07,
    "NO2": 0.39,
    "NH4": 0.35,
    "NO3": 14.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0494, 59.4077] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 24,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1452",
    "depth": 50.0,
    "PO4": 1.3,
    "SiOH4": 17.9,
    "NO3_NO2": 16.14,
    "NO2": 0.33,
    "NH4": 0.26,
    "NO3": 15.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0494, 59.4077] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 24,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1452",
    "depth": 75.0,
    "PO4": 1.48,
    "SiOH4": 18.63,
    "NO3_NO2": 18.24,
    "NO2": 0.22,
    "NH4": 0.06,
    "NO3": 18.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0494, 59.4077] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 24,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1452",
    "depth": 100.0,
    "PO4": 1.55,
    "SiOH4": 20.1,
    "NO3_NO2": 20.11,
    "NO2": 0.04,
    "NH4": 0.09,
    "NO3": 20.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0494, 59.4077] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 24,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1452",
    "depth": 125.0,
    "PO4": 1.73,
    "SiOH4": 23.87,
    "NO3_NO2": 23.57,
    "NO2": 0.0,
    "NH4": 0.09,
    "NO3": 23.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0494, 59.4077] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 24,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1452",
    "depth": 150.0,
    "PO4": 2.08,
    "SiOH4": 32.28,
    "NO3_NO2": 29.81,
    "NO2": 0.04,
    "NH4": 0.03,
    "NO3": 29.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0494, 59.4077] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 24,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1452",
    "depth": 190.0,
    "PO4": 2.37,
    "SiOH4": 40.44,
    "NO3_NO2": 34.91,
    "NO2": 0.07,
    "NH4": 0.03,
    "NO3": 34.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0481, 59.4073] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 25,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1528",
    "depth": 0.0,
    "PO4": 0.13,
    "SiOH4": 10.11,
    "NO3_NO2": 0.0,
    "NO2": 0.0,
    "NH4": 0.03,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0481, 59.4073] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 25,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1528",
    "depth": 7.0,
    "PO4": 0.16,
    "SiOH4": 9.21,
    "NO3_NO2": 0.0,
    "NO2": 0.01,
    "NH4": 0.03,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0481, 59.4073] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 25,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1528",
    "depth": 12.0,
    "PO4": 0.14,
    "SiOH4": 9.55,
    "NO3_NO2": 0.0,
    "NO2": 0.0,
    "NH4": 0.03,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0481, 59.4073] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 25,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1528",
    "depth": 21.0,
    "PO4": 0.39,
    "SiOH4": 11.14,
    "NO3_NO2": 0.99,
    "NO2": 0.05,
    "NH4": 0.03,
    "NO3": 0.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0481, 59.4073] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 25,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1528",
    "depth": 30.0,
    "PO4": 0.89,
    "SiOH4": 14.95,
    "NO3_NO2": 9.52,
    "NO2": 0.26,
    "NH4": 0.29,
    "NO3": 9.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0481, 59.4073] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 25,
    "stn_id": "GAK4",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1528",
    "depth": 46.0,
    "PO4": 1.21,
    "SiOH4": 17.24,
    "NO3_NO2": 15.87,
    "NO2": 0.41,
    "NH4": 0.06,
    "NO3": 15.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3987, 59.7654] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1834",
    "depth": 0.0,
    "PO4": 0.31,
    "SiOH4": 0.71,
    "NO3_NO2": 0.0,
    "NO2": 0.17,
    "NH4": 0.12,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3987, 59.7654] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1834",
    "depth": 10.0,
    "PO4": 0.38,
    "SiOH4": 1.14,
    "NO3_NO2": 0.0,
    "NO2": null,
    "NH4": 0.08,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3987, 59.7654] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1834",
    "depth": 20.0,
    "PO4": 1.05,
    "SiOH4": 12.95,
    "NO3_NO2": 9.32,
    "NO2": 0.41,
    "NH4": 0.6,
    "NO3": 8.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3987, 59.7654] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1834",
    "depth": 30.0,
    "PO4": 1.36,
    "SiOH4": 16.55,
    "NO3_NO2": 12.74,
    "NO2": 0.41,
    "NH4": 2.13,
    "NO3": 12.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3987, 59.7654] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1834",
    "depth": 40.0,
    "PO4": 1.38,
    "SiOH4": 16.68,
    "NO3_NO2": 11.82,
    "NO2": 0.44,
    "NH4": 1.93,
    "NO3": 11.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3987, 59.7654] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1834",
    "depth": 50.0,
    "PO4": null,
    "SiOH4": null,
    "NO3_NO2": null,
    "NO2": null,
    "NH4": null,
    "NO3": null }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3987, 59.7654] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1834",
    "depth": 75.0,
    "PO4": 1.77,
    "SiOH4": 24.48,
    "NO3_NO2": 20.56,
    "NO2": 0.72,
    "NH4": 0.51,
    "NO3": 19.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3987, 59.7654] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1834",
    "depth": 100.0,
    "PO4": 1.76,
    "SiOH4": 23.0,
    "NO3_NO2": 20.99,
    "NO2": 0.25,
    "NH4": 0.04,
    "NO3": 20.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3987, 59.7654] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1834",
    "depth": 125.0,
    "PO4": 1.66,
    "SiOH4": 24.04,
    "NO3_NO2": 22.08,
    "NO2": 0.19,
    "NH4": 0.03,
    "NO3": 21.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3987, 59.7654] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1834",
    "depth": 175.0,
    "PO4": 2.04,
    "SiOH4": 32.77,
    "NO3_NO2": 26.68,
    "NO2": 0.14,
    "NH4": 0.02,
    "NO3": 26.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3987, 59.7654] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1834",
    "depth": 220.0,
    "PO4": 2.06,
    "SiOH4": 33.78,
    "NO3_NO2": 27.35,
    "NO2": 0.11,
    "NH4": 0.01,
    "NO3": 27.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3987, 59.7654] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 27,
    "stn_id": "GAK1I",
    "water_depth": 260,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1834",
    "depth": 256.0,
    "PO4": 2.32,
    "SiOH4": 40.0,
    "NO3_NO2": 31.69,
    "NO2": 0.19,
    "NH4": 0.01,
    "NO3": 31.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.327, 59.6915] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 28,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1927",
    "depth": 0.0,
    "PO4": 0.29,
    "SiOH4": 1.65,
    "NO3_NO2": 0.0,
    "NO2": 0.18,
    "NH4": 0.11,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.327, 59.6915] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 28,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1927",
    "depth": 10.0,
    "PO4": 0.33,
    "SiOH4": 7.71,
    "NO3_NO2": 0.0,
    "NO2": 0.21,
    "NH4": 0.01,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.327, 59.6915] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 28,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1927",
    "depth": 20.0,
    "PO4": 0.83,
    "SiOH4": 13.91,
    "NO3_NO2": 6.95,
    "NO2": 0.29,
    "NH4": 0.3,
    "NO3": 6.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.327, 59.6915] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 28,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1927",
    "depth": 30.0,
    "PO4": 1.37,
    "SiOH4": 21.13,
    "NO3_NO2": 16.39,
    "NO2": 0.47,
    "NH4": 1.5,
    "NO3": 15.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.327, 59.6915] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 28,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1927",
    "depth": 40.0,
    "PO4": 1.75,
    "SiOH4": 23.48,
    "NO3_NO2": 19.84,
    "NO2": 0.53,
    "NH4": 1.14,
    "NO3": 19.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.327, 59.6915] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 28,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1927",
    "depth": 50.0,
    "PO4": 1.72,
    "SiOH4": 23.14,
    "NO3_NO2": 19.02,
    "NO2": 0.53,
    "NH4": 0.98,
    "NO3": 18.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.327, 59.6915] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 28,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1927",
    "depth": 75.0,
    "PO4": 1.75,
    "SiOH4": 25.52,
    "NO3_NO2": 23.58,
    "NO2": 0.53,
    "NH4": 0.02,
    "NO3": 23.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.327, 59.6915] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 28,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1927",
    "depth": 100.0,
    "PO4": 1.76,
    "SiOH4": 23.0,
    "NO3_NO2": 22.81,
    "NO2": 0.59,
    "NH4": 0.01,
    "NO3": 22.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.327, 59.6915] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 28,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1927",
    "depth": 125.0,
    "PO4": 1.88,
    "SiOH4": 25.03,
    "NO3_NO2": 24.93,
    "NO2": 0.21,
    "NH4": 0.0,
    "NO3": 24.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.327, 59.6915] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 28,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1927",
    "depth": 150.0,
    "PO4": 1.79,
    "SiOH4": 24.72,
    "NO3_NO2": 25.8,
    "NO2": 0.18,
    "NH4": 0.02,
    "NO3": 25.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.327, 59.6915] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 28,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1927",
    "depth": 175.0,
    "PO4": 2.01,
    "SiOH4": 31.1,
    "NO3_NO2": 29.66,
    "NO2": 0.24,
    "NH4": 0.01,
    "NO3": 29.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.327, 59.6915] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 28,
    "stn_id": "GAK2",
    "water_depth": 230,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "1927",
    "depth": 220.0,
    "PO4": 2.31,
    "SiOH4": 39.2,
    "NO3_NO2": 35.14,
    "NO2": 0.35,
    "NH4": 0.0,
    "NO3": 34.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2568, 59.6271] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 29,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2024",
    "depth": 0.0,
    "PO4": 0.05,
    "SiOH4": 6.17,
    "NO3_NO2": 0.0,
    "NO2": 0.24,
    "NH4": 0.0,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2568, 59.6271] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 29,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2024",
    "depth": 10.0,
    "PO4": 0.13,
    "SiOH4": 8.11,
    "NO3_NO2": 0.29,
    "NO2": 0.12,
    "NH4": 0.02,
    "NO3": 0.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2568, 59.6271] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 29,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2024",
    "depth": 20.0,
    "PO4": null,
    "SiOH4": 12.98,
    "NO3_NO2": 3.62,
    "NO2": 0.29,
    "NH4": 0.27,
    "NO3": 3.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2568, 59.6271] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 29,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2024",
    "depth": 30.0,
    "PO4": 0.88,
    "SiOH4": 16.89,
    "NO3_NO2": 10.35,
    "NO2": 0.53,
    "NH4": 0.56,
    "NO3": 9.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2568, 59.6271] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 29,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2024",
    "depth": 40.0,
    "PO4": 1.15,
    "SiOH4": 22.5,
    "NO3_NO2": 17.27,
    "NO2": 0.53,
    "NH4": 0.88,
    "NO3": 16.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2568, 59.6271] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 29,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2024",
    "depth": 50.0,
    "PO4": 1.05,
    "SiOH4": 20.27,
    "NO3_NO2": 16.16,
    "NO2": 0.41,
    "NH4": 0.04,
    "NO3": 15.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2568, 59.6271] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 29,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2024",
    "depth": 75.0,
    "PO4": 1.41,
    "SiOH4": 23.23,
    "NO3_NO2": 22.03,
    "NO2": null,
    "NH4": 0.0,
    "NO3": 22.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2568, 59.6271] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 29,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2024",
    "depth": 100.0,
    "PO4": 1.46,
    "SiOH4": 23.61,
    "NO3_NO2": 22.54,
    "NO2": null,
    "NH4": 0.02,
    "NO3": 22.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2568, 59.6271] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 29,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2024",
    "depth": 125.0,
    "PO4": 1.59,
    "SiOH4": 25.57,
    "NO3_NO2": 24.42,
    "NO2": null,
    "NH4": 0.01,
    "NO3": 24.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2568, 59.6271] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 29,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2024",
    "depth": 150.0,
    "PO4": 1.74,
    "SiOH4": 28.08,
    "NO3_NO2": 26.5,
    "NO2": null,
    "NH4": 0.0,
    "NO3": 26.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2568, 59.6271] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 29,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2024",
    "depth": 175.0,
    "PO4": 1.9,
    "SiOH4": 31.5,
    "NO3_NO2": 29.53,
    "NO2": null,
    "NH4": 0.02,
    "NO3": 29.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2568, 59.6271] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 29,
    "stn_id": "GAK2I",
    "water_depth": 215,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2024",
    "depth": 210.0,
    "PO4": 2.2,
    "SiOH4": 38.08,
    "NO3_NO2": 34.22,
    "NO2": null,
    "NH4": 0.01,
    "NO3": 34.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1861, 59.5536] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 30,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2114",
    "depth": 0.0,
    "PO4": 0.33,
    "SiOH4": 9.76,
    "NO3_NO2": 0.0,
    "NO2": 0.15,
    "NH4": 0.05,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1861, 59.5536] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 30,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2114",
    "depth": 10.0,
    "PO4": 0.26,
    "SiOH4": 10.07,
    "NO3_NO2": 0.0,
    "NO2": 0.12,
    "NH4": 0.04,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1861, 59.5536] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 30,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2114",
    "depth": 20.0,
    "PO4": 0.4,
    "SiOH4": 12.84,
    "NO3_NO2": 1.36,
    "NO2": 0.15,
    "NH4": 0.03,
    "NO3": 1.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1861, 59.5536] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 30,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2114",
    "depth": 30.0,
    "PO4": 1.04,
    "SiOH4": 18.24,
    "NO3_NO2": 10.46,
    "NO2": 0.43,
    "NH4": 0.74,
    "NO3": 10.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1861, 59.5536] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 30,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2114",
    "depth": 40.0,
    "PO4": 1.24,
    "SiOH4": 20.32,
    "NO3_NO2": 16.28,
    "NO2": 0.52,
    "NH4": 0.45,
    "NO3": 15.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1861, 59.5536] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 30,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2114",
    "depth": 50.0,
    "PO4": 1.21,
    "SiOH4": 20.38,
    "NO3_NO2": 15.98,
    "NO2": 0.43,
    "NH4": 0.1,
    "NO3": 15.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1861, 59.5536] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 30,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2114",
    "depth": 75.0,
    "PO4": 1.44,
    "SiOH4": 21.18,
    "NO3_NO2": 20.18,
    "NO2": 0.25,
    "NH4": 0.0,
    "NO3": 19.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1861, 59.5536] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 30,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2114",
    "depth": 100.0,
    "PO4": 1.49,
    "SiOH4": 22.41,
    "NO3_NO2": 21.35,
    "NO2": 0.22,
    "NH4": 0.0,
    "NO3": 21.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1861, 59.5536] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 30,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2114",
    "depth": 125.0,
    "PO4": 1.53,
    "SiOH4": 23.63,
    "NO3_NO2": 22.69,
    "NO2": 0.22,
    "NH4": 0.02,
    "NO3": 22.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1861, 59.5536] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 30,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2114",
    "depth": 150.0,
    "PO4": 1.72,
    "SiOH4": 26.67,
    "NO3_NO2": 25.08,
    "NO2": 0.12,
    "NH4": 0.01,
    "NO3": 24.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1861, 59.5536] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 30,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2114",
    "depth": 175.0,
    "PO4": 1.98,
    "SiOH4": 34.72,
    "NO3_NO2": 30.4,
    "NO2": 0.18,
    "NH4": 0.03,
    "NO3": 30.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1861, 59.5536] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 30,
    "stn_id": "GAK3",
    "water_depth": 215,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2114",
    "depth": 213.0,
    "PO4": 2.09,
    "SiOH4": 35.93,
    "NO3_NO2": 31.73,
    "NO2": 0.12,
    "NH4": 0.02,
    "NO3": 31.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1151, 59.4818] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 31,
    "stn_id": "GAK3I",
    "water_depth": 203,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2215",
    "depth": 0.0,
    "PO4": 0.04,
    "SiOH4": 8.23,
    "NO3_NO2": 0.0,
    "NO2": 0.09,
    "NH4": 0.04,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1151, 59.4818] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 31,
    "stn_id": "GAK3I",
    "water_depth": 203,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2215",
    "depth": 10.0,
    "PO4": 0.35,
    "SiOH4": 10.4,
    "NO3_NO2": 1.87,
    "NO2": 0.18,
    "NH4": 0.26,
    "NO3": 1.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1151, 59.4818] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 31,
    "stn_id": "GAK3I",
    "water_depth": 203,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2215",
    "depth": 20.0,
    "PO4": 0.22,
    "SiOH4": 9.65,
    "NO3_NO2": 0.24,
    "NO2": 0.15,
    "NH4": 0.28,
    "NO3": 0.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1151, 59.4818] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 31,
    "stn_id": "GAK3I",
    "water_depth": 203,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2215",
    "depth": 30.0,
    "PO4": 0.79,
    "SiOH4": 13.29,
    "NO3_NO2": 7.05,
    "NO2": 0.34,
    "NH4": 0.65,
    "NO3": 6.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1151, 59.4818] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 31,
    "stn_id": "GAK3I",
    "water_depth": 203,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2215",
    "depth": 40.0,
    "PO4": 1.0,
    "SiOH4": 15.22,
    "NO3_NO2": 13.31,
    "NO2": 0.4,
    "NH4": 0.84,
    "NO3": 12.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1151, 59.4818] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 31,
    "stn_id": "GAK3I",
    "water_depth": 203,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2215",
    "depth": 50.0,
    "PO4": 0.95,
    "SiOH4": 13.9,
    "NO3_NO2": 12.34,
    "NO2": 0.34,
    "NH4": 0.55,
    "NO3": 12.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1151, 59.4818] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 31,
    "stn_id": "GAK3I",
    "water_depth": 203,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2215",
    "depth": 75.0,
    "PO4": 1.34,
    "SiOH4": 16.89,
    "NO3_NO2": 19.89,
    "NO2": 0.22,
    "NH4": 0.17,
    "NO3": 19.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1151, 59.4818] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 31,
    "stn_id": "GAK3I",
    "water_depth": 203,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2215",
    "depth": 100.0,
    "PO4": 1.55,
    "SiOH4": 21.12,
    "NO3_NO2": 23.89,
    "NO2": 0.12,
    "NH4": 0.16,
    "NO3": 23.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1151, 59.4818] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 31,
    "stn_id": "GAK3I",
    "water_depth": 203,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2215",
    "depth": 125.0,
    "PO4": 1.59,
    "SiOH4": 23.37,
    "NO3_NO2": 25.55,
    "NO2": 0.15,
    "NH4": 0.1,
    "NO3": 25.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1151, 59.4818] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 31,
    "stn_id": "GAK3I",
    "water_depth": 203,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2215",
    "depth": 150.0,
    "PO4": 1.92,
    "SiOH4": 31.54,
    "NO3_NO2": 31.32,
    "NO2": 0.25,
    "NH4": 0.17,
    "NO3": 31.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1151, 59.4818] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 31,
    "stn_id": "GAK3I",
    "water_depth": 203,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2215",
    "depth": 175.0,
    "PO4": 1.96,
    "SiOH4": 34.36,
    "NO3_NO2": 32.78,
    "NO2": 0.31,
    "NH4": 0.14,
    "NO3": 32.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1151, 59.4818] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 31,
    "stn_id": "GAK3I",
    "water_depth": 203,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2215",
    "depth": 198.0,
    "PO4": 2.19,
    "SiOH4": 39.91,
    "NO3_NO2": 36.42,
    "NO2": 0.31,
    "NH4": 0.04,
    "NO3": 36.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9742, 59.3354] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 32,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2338",
    "depth": 0.0,
    "PO4": 0.5,
    "SiOH4": 9.62,
    "NO3_NO2": 0.0,
    "NO2": 0.06,
    "NH4": 0.03,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9742, 59.3354] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 32,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2338",
    "depth": 10.0,
    "PO4": 0.42,
    "SiOH4": 9.55,
    "NO3_NO2": 0.0,
    "NO2": 0.06,
    "NH4": 0.03,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9742, 59.3354] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 32,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2338",
    "depth": 20.0,
    "PO4": 0.71,
    "SiOH4": 11.7,
    "NO3_NO2": 3.14,
    "NO2": 0.11,
    "NH4": 0.54,
    "NO3": 3.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9742, 59.3354] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 32,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2338",
    "depth": 30.0,
    "PO4": 1.18,
    "SiOH4": 17.79,
    "NO3_NO2": 12.56,
    "NO2": 0.34,
    "NH4": 0.67,
    "NO3": 12.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9742, 59.3354] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 32,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2338",
    "depth": 40.0,
    "PO4": 1.37,
    "SiOH4": 19.99,
    "NO3_NO2": 17.34,
    "NO2": 0.34,
    "NH4": 0.25,
    "NO3": 17.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9742, 59.3354] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 32,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2338",
    "depth": 50.0,
    "PO4": 1.4,
    "SiOH4": 19.48,
    "NO3_NO2": 18.66,
    "NO2": 0.31,
    "NH4": 0.03,
    "NO3": 18.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9742, 59.3354] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 32,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2338",
    "depth": 75.0,
    "PO4": 1.59,
    "SiOH4": 22.87,
    "NO3_NO2": 22.06,
    "NO2": 0.11,
    "NH4": 0.03,
    "NO3": 21.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9742, 59.3354] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 32,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2338",
    "depth": 100.0,
    "PO4": 1.66,
    "SiOH4": 23.29,
    "NO3_NO2": 23.2,
    "NO2": 0.06,
    "NH4": 0.03,
    "NO3": 23.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9742, 59.3354] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 32,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2338",
    "depth": 118.0,
    "PO4": 1.74,
    "SiOH4": 25.95,
    "NO3_NO2": 25.61,
    "NO2": 0.06,
    "NH4": 0.03,
    "NO3": 25.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9742, 59.3354] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 32,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2338",
    "depth": 150.0,
    "PO4": 2.01,
    "SiOH4": 32.36,
    "NO3_NO2": 30.45,
    "NO2": 0.2,
    "NH4": 0.03,
    "NO3": 30.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9742, 59.3354] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 32,
    "stn_id": "GAK4I",
    "water_depth": 195,
    "month_gmt": "07",
    "day_gmt": "01",
    "time_gmt": "2338",
    "depth": 190.0,
    "PO4": 2.49,
    "SiOH4": 42.99,
    "NO3_NO2": 39.14,
    "NO2": 0.2,
    "NH4": 0.29,
    "NO3": 38.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9053, 59.2607] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 33,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0036",
    "depth": 0.0,
    "PO4": 0.64,
    "SiOH4": 13.32,
    "NO3_NO2": 0.0,
    "NO2": 0.0,
    "NH4": 0.04,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9053, 59.2607] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 33,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0036",
    "depth": 10.0,
    "PO4": 0.51,
    "SiOH4": 13.29,
    "NO3_NO2": 0.0,
    "NO2": 0.0,
    "NH4": 0.14,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9053, 59.2607] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 33,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0036",
    "depth": 20.0,
    "PO4": 0.96,
    "SiOH4": 17.37,
    "NO3_NO2": 6.79,
    "NO2": 0.1,
    "NH4": 0.81,
    "NO3": 6.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9053, 59.2607] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 33,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0036",
    "depth": 30.0,
    "PO4": 1.32,
    "SiOH4": 20.56,
    "NO3_NO2": 14.63,
    "NO2": 0.25,
    "NH4": 0.63,
    "NO3": 14.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9053, 59.2607] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 33,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0036",
    "depth": 40.0,
    "PO4": 1.45,
    "SiOH4": 21.52,
    "NO3_NO2": 17.55,
    "NO2": 0.12,
    "NH4": 0.21,
    "NO3": 17.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9053, 59.2607] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 33,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0036",
    "depth": 50.0,
    "PO4": 1.5,
    "SiOH4": 23.03,
    "NO3_NO2": 19.64,
    "NO2": 0.05,
    "NH4": 0.11,
    "NO3": 19.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9053, 59.2607] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 33,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0036",
    "depth": 75.0,
    "PO4": 1.6,
    "SiOH4": 24.05,
    "NO3_NO2": 20.9,
    "NO2": 0.05,
    "NH4": 0.07,
    "NO3": 20.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9053, 59.2607] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 33,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0036",
    "depth": 100.0,
    "PO4": 1.7,
    "SiOH4": 23.8,
    "NO3_NO2": 23.55,
    "NO2": 0.08,
    "NH4": 0.04,
    "NO3": 23.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9053, 59.2607] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 33,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0036",
    "depth": 125.0,
    "PO4": 1.94,
    "SiOH4": 29.67,
    "NO3_NO2": 28.61,
    "NO2": 0.01,
    "NH4": 0.07,
    "NO3": 28.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9053, 59.2607] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 33,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0036",
    "depth": 150.0,
    "PO4": 2.2,
    "SiOH4": 36.8,
    "NO3_NO2": 34.23,
    "NO2": 0.0,
    "NH4": 0.25,
    "NO3": 34.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.9053, 59.2607] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 33,
    "stn_id": "GAK5",
    "water_depth": 167,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0036",
    "depth": 160.0,
    "PO4": 2.47,
    "SiOH4": 44.11,
    "NO3_NO2": 40.44,
    "NO2": 0.0,
    "NH4": 0.21,
    "NO3": 40.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8383, 59.1889] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 34,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0149",
    "depth": 0.0,
    "PO4": 0.35,
    "SiOH4": 10.29,
    "NO3_NO2": 0.0,
    "NO2": 0.0,
    "NH4": 0.11,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8383, 59.1889] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 34,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0149",
    "depth": 10.0,
    "PO4": 0.34,
    "SiOH4": 10.36,
    "NO3_NO2": 0.0,
    "NO2": 0.0,
    "NH4": 0.07,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8383, 59.1889] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 34,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0149",
    "depth": 20.0,
    "PO4": 0.36,
    "SiOH4": 10.82,
    "NO3_NO2": 0.0,
    "NO2": 0.0,
    "NH4": 0.11,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8383, 59.1889] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 34,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0149",
    "depth": 30.0,
    "PO4": 0.9,
    "SiOH4": 16.81,
    "NO3_NO2": 8.96,
    "NO2": 0.03,
    "NH4": 0.35,
    "NO3": 8.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8383, 59.1889] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 34,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0149",
    "depth": 40.0,
    "PO4": 0.83,
    "SiOH4": 14.31,
    "NO3_NO2": 7.72,
    "NO2": 0.08,
    "NH4": 0.32,
    "NO3": 7.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8383, 59.1889] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 34,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0149",
    "depth": 50.0,
    "PO4": 1.34,
    "SiOH4": 18.73,
    "NO3_NO2": 18.48,
    "NO2": 0.24,
    "NH4": 0.28,
    "NO3": 18.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8383, 59.1889] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 34,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0149",
    "depth": 75.0,
    "PO4": 1.52,
    "SiOH4": 21.6,
    "NO3_NO2": 22.83,
    "NO2": 0.09,
    "NH4": 0.07,
    "NO3": 22.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8383, 59.1889] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 34,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0149",
    "depth": 100.0,
    "PO4": 1.79,
    "SiOH4": 27.36,
    "NO3_NO2": 28.25,
    "NO2": 0.0,
    "NH4": 0.11,
    "NO3": 28.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8383, 59.1889] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 34,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0149",
    "depth": 125.0,
    "PO4": 2.05,
    "SiOH4": 33.58,
    "NO3_NO2": 33.73,
    "NO2": 0.0,
    "NH4": 0.04,
    "NO3": 33.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8383, 59.1889] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 34,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0149",
    "depth": 150.0,
    "PO4": 2.41,
    "SiOH4": 43.56,
    "NO3_NO2": 41.72,
    "NO2": 0.0,
    "NH4": 0.07,
    "NO3": 41.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8383, 59.1889] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 34,
    "stn_id": "GAK5I",
    "water_depth": 167,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0149",
    "depth": 163.0,
    "PO4": 2.44,
    "SiOH4": 43.86,
    "NO3_NO2": 42.13,
    "NO2": 0.0,
    "NH4": 0.07,
    "NO3": 42.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7711, 59.1167] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 35,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0304",
    "depth": 0.0,
    "PO4": 0.57,
    "SiOH4": 12.22,
    "NO3_NO2": 1.54,
    "NO2": 0.07,
    "NH4": 0.1,
    "NO3": 1.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7711, 59.1167] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 35,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0304",
    "depth": 10.0,
    "PO4": 0.38,
    "SiOH4": 12.09,
    "NO3_NO2": 1.22,
    "NO2": 0.05,
    "NH4": 0.14,
    "NO3": 1.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7711, 59.1167] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 35,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0304",
    "depth": 20.0,
    "PO4": 0.56,
    "SiOH4": 14.02,
    "NO3_NO2": 3.38,
    "NO2": 0.05,
    "NH4": 0.21,
    "NO3": 3.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7711, 59.1167] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 35,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0304",
    "depth": 30.0,
    "PO4": 1.18,
    "SiOH4": 18.7,
    "NO3_NO2": 10.46,
    "NO2": 0.07,
    "NH4": 0.93,
    "NO3": 10.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7711, 59.1167] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 35,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0304",
    "depth": 40.0,
    "PO4": 1.46,
    "SiOH4": 20.39,
    "NO3_NO2": 14.7,
    "NO2": 0.14,
    "NH4": 0.62,
    "NO3": 14.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7711, 59.1167] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 35,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0304",
    "depth": 50.0,
    "PO4": 1.59,
    "SiOH4": 22.62,
    "NO3_NO2": 17.54,
    "NO2": 0.11,
    "NH4": 0.14,
    "NO3": 17.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7711, 59.1167] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 35,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0304",
    "depth": 75.0,
    "PO4": 2.01,
    "SiOH4": 30.63,
    "NO3_NO2": 22.83,
    "NO2": 0.09,
    "NH4": 0.1,
    "NO3": 22.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7711, 59.1167] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 35,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0304",
    "depth": 100.0,
    "PO4": 2.5,
    "SiOH4": 41.42,
    "NO3_NO2": 29.78,
    "NO2": 0.06,
    "NH4": 0.03,
    "NO3": 29.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7711, 59.1167] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 35,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0304",
    "depth": 125.0,
    "PO4": 2.59,
    "SiOH4": 44.32,
    "NO3_NO2": 31.33,
    "NO2": 0.05,
    "NH4": 0.07,
    "NO3": 31.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7711, 59.1167] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 35,
    "stn_id": "GAK6",
    "water_depth": 150,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0304",
    "depth": 148.0,
    "PO4": 2.75,
    "SiOH4": null,
    "NO3_NO2": 33.34,
    "NO2": 0.04,
    "NH4": 0.24,
    "NO3": 33.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7004, 59.0457] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 36,
    "stn_id": "GAK6I",
    "water_depth": 194,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0425",
    "depth": 0.0,
    "PO4": 0.16,
    "SiOH4": 12.43,
    "NO3_NO2": 0.89,
    "NO2": 0.05,
    "NH4": 0.21,
    "NO3": 0.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7004, 59.0457] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 36,
    "stn_id": "GAK6I",
    "water_depth": 194,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0425",
    "depth": 10.0,
    "PO4": 0.18,
    "SiOH4": 12.44,
    "NO3_NO2": 1.21,
    "NO2": 0.06,
    "NH4": 0.17,
    "NO3": 1.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7004, 59.0457] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 36,
    "stn_id": "GAK6I",
    "water_depth": 194,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0425",
    "depth": 20.0,
    "PO4": 0.46,
    "SiOH4": 14.16,
    "NO3_NO2": 4.05,
    "NO2": 0.06,
    "NH4": 0.41,
    "NO3": 3.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7004, 59.0457] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 36,
    "stn_id": "GAK6I",
    "water_depth": 194,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0425",
    "depth": 30.0,
    "PO4": 1.19,
    "SiOH4": 21.01,
    "NO3_NO2": 13.27,
    "NO2": 0.12,
    "NH4": 1.03,
    "NO3": 13.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7004, 59.0457] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 36,
    "stn_id": "GAK6I",
    "water_depth": 194,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0425",
    "depth": 40.0,
    "PO4": 1.35,
    "SiOH4": 22.11,
    "NO3_NO2": 14.72,
    "NO2": 0.16,
    "NH4": 1.21,
    "NO3": 14.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7004, 59.0457] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 36,
    "stn_id": "GAK6I",
    "water_depth": 194,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0425",
    "depth": 50.0,
    "PO4": 1.13,
    "SiOH4": 20.65,
    "NO3_NO2": 13.06,
    "NO2": 0.15,
    "NH4": 0.62,
    "NO3": 12.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7004, 59.0457] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 36,
    "stn_id": "GAK6I",
    "water_depth": 194,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0425",
    "depth": 75.0,
    "PO4": 1.64,
    "SiOH4": 26.01,
    "NO3_NO2": 19.5,
    "NO2": 0.2,
    "NH4": 0.41,
    "NO3": 19.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7004, 59.0457] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 36,
    "stn_id": "GAK6I",
    "water_depth": 194,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0425",
    "depth": 100.0,
    "PO4": 2.23,
    "SiOH4": 37.92,
    "NO3_NO2": 27.8,
    "NO2": 0.08,
    "NH4": 0.1,
    "NO3": 27.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7004, 59.0457] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 36,
    "stn_id": "GAK6I",
    "water_depth": 194,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0425",
    "depth": 125.0,
    "PO4": 2.62,
    "SiOH4": 46.06,
    "NO3_NO2": 32.46,
    "NO2": 0.07,
    "NH4": 0.14,
    "NO3": 32.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7004, 59.0457] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 36,
    "stn_id": "GAK6I",
    "water_depth": 194,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0425",
    "depth": 150.0,
    "PO4": 2.91,
    "SiOH4": null,
    "NO3_NO2": 36.4,
    "NO2": 0.06,
    "NH4": 0.14,
    "NO3": 36.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7004, 59.0457] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 36,
    "stn_id": "GAK6I",
    "water_depth": 194,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0425",
    "depth": 175.0,
    "PO4": 3.03,
    "SiOH4": null,
    "NO3_NO2": 37.66,
    "NO2": 0.07,
    "NH4": 0.34,
    "NO3": 37.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.7004, 59.0457] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 36,
    "stn_id": "GAK6I",
    "water_depth": 194,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "0425",
    "depth": 188.0,
    "PO4": 3.01,
    "SiOH4": null,
    "NO3_NO2": 36.8,
    "NO2": 0.08,
    "NH4": 0.17,
    "NO3": 36.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.4504] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "FAIR",
    "water_depth": 181,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "1717",
    "depth": 0.0,
    "PO4": 0.26,
    "SiOH4": 10.36,
    "NO3_NO2": 0.0,
    "NO2": 0.0,
    "NH4": 0.04,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.4504] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "FAIR",
    "water_depth": 181,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "1717",
    "depth": 10.0,
    "PO4": 0.16,
    "SiOH4": 10.5,
    "NO3_NO2": 0.0,
    "NO2": 0.0,
    "NH4": 0.04,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.4504] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "FAIR",
    "water_depth": 181,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "1717",
    "depth": 20.0,
    "PO4": 0.45,
    "SiOH4": 13.28,
    "NO3_NO2": 2.5,
    "NO2": 0.02,
    "NH4": 0.26,
    "NO3": 2.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.4504] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "FAIR",
    "water_depth": 181,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "1717",
    "depth": 30.0,
    "PO4": 0.68,
    "SiOH4": 15.06,
    "NO3_NO2": 5.75,
    "NO2": 0.04,
    "NH4": 0.74,
    "NO3": 5.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.4504] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "FAIR",
    "water_depth": 181,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "1717",
    "depth": 40.0,
    "PO4": 1.41,
    "SiOH4": 21.09,
    "NO3_NO2": 15.59,
    "NO2": 0.1,
    "NH4": 1.85,
    "NO3": 15.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.4504] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "FAIR",
    "water_depth": 181,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "1717",
    "depth": 50.0,
    "PO4": 1.57,
    "SiOH4": 22.61,
    "NO3_NO2": 18.45,
    "NO2": 0.1,
    "NH4": 1.52,
    "NO3": 18.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.4504] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "FAIR",
    "water_depth": 181,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "1717",
    "depth": 75.0,
    "PO4": 1.58,
    "SiOH4": 23.53,
    "NO3_NO2": 20.42,
    "NO2": 0.1,
    "NH4": 0.41,
    "NO3": 20.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.4504] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "FAIR",
    "water_depth": 181,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "1717",
    "depth": 100.0,
    "PO4": 1.58,
    "SiOH4": 23.68,
    "NO3_NO2": 20.75,
    "NO2": 0.11,
    "NH4": 0.41,
    "NO3": 20.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.4504] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "FAIR",
    "water_depth": 181,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "1717",
    "depth": 125.0,
    "PO4": 1.92,
    "SiOH4": 28.68,
    "NO3_NO2": 25.77,
    "NO2": 0.07,
    "NH4": 0.37,
    "NO3": 25.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8662, 59.4504] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 38,
    "stn_id": "FAIR",
    "water_depth": 181,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "1717",
    "depth": 178.0,
    "PO4": 2.47,
    "SiOH4": 40.07,
    "NO3_NO2": 33.83,
    "NO2": 0.07,
    "NH4": 0.15,
    "NO3": 33.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8651, 59.5175] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "1821",
    "depth": 0.0,
    "PO4": 0.1,
    "SiOH4": 9.79,
    "NO3_NO2": 0.0,
    "NO2": 0.0,
    "NH4": 0.19,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8651, 59.5175] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "1821",
    "depth": 10.0,
    "PO4": 0.1,
    "SiOH4": 9.73,
    "NO3_NO2": 0.0,
    "NO2": 0.0,
    "NH4": 0.07,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8651, 59.5175] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "1821",
    "depth": 20.0,
    "PO4": 0.3,
    "SiOH4": 12.86,
    "NO3_NO2": 2.29,
    "NO2": 0.02,
    "NH4": 0.44,
    "NO3": 2.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8651, 59.5175] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "1821",
    "depth": 30.0,
    "PO4": 0.9,
    "SiOH4": 17.26,
    "NO3_NO2": 10.06,
    "NO2": 0.07,
    "NH4": 1.41,
    "NO3": 9.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8651, 59.5175] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "1821",
    "depth": 40.0,
    "PO4": 1.03,
    "SiOH4": 19.09,
    "NO3_NO2": 12.45,
    "NO2": 0.08,
    "NH4": 1.52,
    "NO3": 12.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8651, 59.5175] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "1821",
    "depth": 50.0,
    "PO4": 1.39,
    "SiOH4": 22.33,
    "NO3_NO2": 18.02,
    "NO2": 0.09,
    "NH4": 1.26,
    "NO3": 17.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8651, 59.5175] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "1821",
    "depth": 75.0,
    "PO4": 1.31,
    "SiOH4": 20.06,
    "NO3_NO2": 17.8,
    "NO2": 0.1,
    "NH4": 0.11,
    "NO3": 17.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8651, 59.5175] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "1821",
    "depth": 100.0,
    "PO4": 1.39,
    "SiOH4": 19.76,
    "NO3_NO2": 18.93,
    "NO2": 0.01,
    "NH4": 0.07,
    "NO3": 18.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8651, 59.5175] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "1821",
    "depth": 125.0,
    "PO4": 1.57,
    "SiOH4": 22.23,
    "NO3_NO2": 21.5,
    "NO2": 0.0,
    "NH4": 0.26,
    "NO3": 21.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8651, 59.5175] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "1821",
    "depth": 150.0,
    "PO4": 2.03,
    "SiOH4": 29.77,
    "NO3_NO2": 27.92,
    "NO2": 0.02,
    "NH4": 0.07,
    "NO3": 27.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8651, 59.5175] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 41,
    "stn_id": "CF13",
    "water_depth": 171,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "1821",
    "depth": 168.0,
    "PO4": 2.27,
    "SiOH4": 35.69,
    "NO3_NO2": 31.36,
    "NO2": 0.05,
    "NH4": 0.07,
    "NO3": 31.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8648, 59.5832] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 43,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "1913",
    "depth": 0.0,
    "PO4": 0.34,
    "SiOH4": 4.11,
    "NO3_NO2": 0.0,
    "NO2": 0.03,
    "NH4": 0.14,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8648, 59.5832] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 43,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "1913",
    "depth": 10.0,
    "PO4": 0.31,
    "SiOH4": 8.61,
    "NO3_NO2": 0.0,
    "NO2": 0.03,
    "NH4": 0.1,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8648, 59.5832] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 43,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "1913",
    "depth": 20.0,
    "PO4": 0.71,
    "SiOH4": 13.49,
    "NO3_NO2": 2.31,
    "NO2": 0.05,
    "NH4": 0.34,
    "NO3": 2.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8648, 59.5832] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 43,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "1913",
    "depth": 30.0,
    "PO4": 1.24,
    "SiOH4": 20.09,
    "NO3_NO2": 12.92,
    "NO2": 0.15,
    "NH4": 1.08,
    "NO3": 12.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8648, 59.5832] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 43,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "1913",
    "depth": 40.0,
    "PO4": 1.34,
    "SiOH4": 21.72,
    "NO3_NO2": 16.33,
    "NO2": 0.11,
    "NH4": 0.27,
    "NO3": 16.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8648, 59.5832] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 43,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "1913",
    "depth": 50.0,
    "PO4": 1.72,
    "SiOH4": 26.55,
    "NO3_NO2": 22.37,
    "NO2": 0.07,
    "NH4": 0.03,
    "NO3": 22.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8648, 59.5832] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 43,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "1913",
    "depth": 100.0,
    "PO4": 1.59,
    "SiOH4": 22.94,
    "NO3_NO2": 20.93,
    "NO2": 0.06,
    "NH4": 0.03,
    "NO3": 20.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8648, 59.5832] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 43,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "1913",
    "depth": 125.0,
    "PO4": 1.67,
    "SiOH4": 24.03,
    "NO3_NO2": 22.69,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 22.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8648, 59.5832] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 43,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "1913",
    "depth": 150.0,
    "PO4": 2.07,
    "SiOH4": 33.88,
    "NO3_NO2": 28.93,
    "NO2": 0.05,
    "NH4": 0.03,
    "NO3": 28.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8648, 59.5832] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 43,
    "stn_id": "CF11",
    "water_depth": 177,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "1913",
    "depth": 172.0,
    "PO4": 2.17,
    "SiOH4": 35.69,
    "NO3_NO2": 31.02,
    "NO2": 0.06,
    "NH4": 0.03,
    "NO3": 30.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8658, 59.6506] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 45,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2015",
    "depth": 0.0,
    "PO4": 0.15,
    "SiOH4": 5.5,
    "NO3_NO2": 0.0,
    "NO2": 0.02,
    "NH4": 0.03,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8658, 59.6506] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 45,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2015",
    "depth": 10.0,
    "PO4": 0.48,
    "SiOH4": 11.65,
    "NO3_NO2": 0.56,
    "NO2": 0.02,
    "NH4": 0.03,
    "NO3": 0.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8658, 59.6506] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 45,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2015",
    "depth": 20.0,
    "PO4": 1.09,
    "SiOH4": 17.05,
    "NO3_NO2": 10.6,
    "NO2": 0.1,
    "NH4": 0.51,
    "NO3": 10.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8658, 59.6506] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 45,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2015",
    "depth": 30.0,
    "PO4": 1.41,
    "SiOH4": 21.6,
    "NO3_NO2": 16.93,
    "NO2": 0.1,
    "NH4": 1.7,
    "NO3": 16.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8658, 59.6506] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 45,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2015",
    "depth": 40.0,
    "PO4": 1.34,
    "SiOH4": 20.72,
    "NO3_NO2": 15.68,
    "NO2": 0.09,
    "NH4": 0.95,
    "NO3": 15.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8658, 59.6506] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 45,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2015",
    "depth": 50.0,
    "PO4": 1.44,
    "SiOH4": 21.71,
    "NO3_NO2": 17.76,
    "NO2": 0.12,
    "NH4": 0.95,
    "NO3": 17.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8658, 59.6506] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 45,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2015",
    "depth": 75.0,
    "PO4": 1.62,
    "SiOH4": 25.16,
    "NO3_NO2": 22.41,
    "NO2": 0.09,
    "NH4": 0.1,
    "NO3": 22.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8658, 59.6506] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 45,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2015",
    "depth": 100.0,
    "PO4": 1.73,
    "SiOH4": 26.08,
    "NO3_NO2": 23.9,
    "NO2": 0.0,
    "NH4": 0.03,
    "NO3": 23.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8658, 59.6506] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 45,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2015",
    "depth": 125.0,
    "PO4": 1.89,
    "SiOH4": 28.42,
    "NO3_NO2": 26.83,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 26.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8658, 59.6506] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 45,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2015",
    "depth": 150.0,
    "PO4": 2.21,
    "SiOH4": 34.96,
    "NO3_NO2": 30.46,
    "NO2": 0.04,
    "NH4": 0.03,
    "NO3": 30.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8658, 59.6506] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 45,
    "stn_id": "CF9",
    "water_depth": 178,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2015",
    "depth": 178.0,
    "PO4": 2.27,
    "SiOH4": 37.69,
    "NO3_NO2": 32.28,
    "NO2": 0.05,
    "NH4": 0.03,
    "NO3": 32.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.6836] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 46,
    "stn_id": "CF8",
    "water_depth": 179,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2043",
    "depth": 0.0,
    "PO4": 0.41,
    "SiOH4": 7.2,
    "NO3_NO2": 0.0,
    "NO2": 0.01,
    "NH4": 0.17,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.6836] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 46,
    "stn_id": "CF8",
    "water_depth": 179,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2043",
    "depth": 10.0,
    "PO4": 0.48,
    "SiOH4": 10.09,
    "NO3_NO2": 0.15,
    "NO2": 0.02,
    "NH4": 0.13,
    "NO3": 0.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.6836] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 46,
    "stn_id": "CF8",
    "water_depth": 179,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2043",
    "depth": 20.0,
    "PO4": 1.17,
    "SiOH4": 17.44,
    "NO3_NO2": 10.35,
    "NO2": 0.1,
    "NH4": 0.67,
    "NO3": 10.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.6836] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 46,
    "stn_id": "CF8",
    "water_depth": 179,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2043",
    "depth": 30.0,
    "PO4": 1.34,
    "SiOH4": 19.51,
    "NO3_NO2": 12.97,
    "NO2": 0.13,
    "NH4": 1.33,
    "NO3": 12.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.6836] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 46,
    "stn_id": "CF8",
    "water_depth": 179,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2043",
    "depth": 40.0,
    "PO4": 1.42,
    "SiOH4": 20.07,
    "NO3_NO2": 14.64,
    "NO2": 0.11,
    "NH4": 1.5,
    "NO3": 14.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.6836] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 46,
    "stn_id": "CF8",
    "water_depth": 179,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2043",
    "depth": 50.0,
    "PO4": 1.59,
    "SiOH4": 21.42,
    "NO3_NO2": 17.03,
    "NO2": 0.13,
    "NH4": 1.33,
    "NO3": 16.9 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.6836] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 46,
    "stn_id": "CF8",
    "water_depth": 179,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2043",
    "depth": 80.0,
    "PO4": 1.7,
    "SiOH4": 24.0,
    "NO3_NO2": 20.83,
    "NO2": 0.1,
    "NH4": 0.13,
    "NO3": 20.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.6836] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 46,
    "stn_id": "CF8",
    "water_depth": 179,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2043",
    "depth": 100.0,
    "PO4": 1.81,
    "SiOH4": 25.86,
    "NO3_NO2": 22.33,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 22.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.6836] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 46,
    "stn_id": "CF8",
    "water_depth": 179,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2043",
    "depth": 125.0,
    "PO4": 1.96,
    "SiOH4": 27.57,
    "NO3_NO2": 24.96,
    "NO2": 0.05,
    "NH4": 0.07,
    "NO3": 24.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8661, 59.6836] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 46,
    "stn_id": "CF8",
    "water_depth": 179,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2043",
    "depth": 179.0,
    "PO4": 2.34,
    "SiOH4": 36.72,
    "NO3_NO2": 30.49,
    "NO2": 0.03,
    "NH4": 0.1,
    "NO3": 30.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.717] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 47,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2116",
    "depth": 0.0,
    "PO4": 0.12,
    "SiOH4": 3.19,
    "NO3_NO2": 0.0,
    "NO2": 0.01,
    "NH4": 0.03,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.717] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 47,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2116",
    "depth": 10.0,
    "PO4": 0.59,
    "SiOH4": 12.95,
    "NO3_NO2": 3.28,
    "NO2": 0.05,
    "NH4": 0.27,
    "NO3": 3.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.717] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 47,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2116",
    "depth": 20.0,
    "PO4": 1.18,
    "SiOH4": 18.31,
    "NO3_NO2": 12.49,
    "NO2": 0.12,
    "NH4": 0.86,
    "NO3": 12.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.717] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 47,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2116",
    "depth": 30.0,
    "PO4": 1.62,
    "SiOH4": 23.57,
    "NO3_NO2": 19.36,
    "NO2": 0.11,
    "NH4": 0.96,
    "NO3": 19.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.717] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 47,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2116",
    "depth": 40.0,
    "PO4": 1.71,
    "SiOH4": 23.88,
    "NO3_NO2": 20.5,
    "NO2": 0.09,
    "NH4": 0.9,
    "NO3": 20.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.717] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 47,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2116",
    "depth": 50.0,
    "PO4": 1.41,
    "SiOH4": 20.5,
    "NO3_NO2": 16.67,
    "NO2": 0.08,
    "NH4": 0.76,
    "NO3": 16.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.717] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 47,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2116",
    "depth": 75.0,
    "PO4": 1.68,
    "SiOH4": 23.23,
    "NO3_NO2": 21.47,
    "NO2": 0.07,
    "NH4": 0.07,
    "NO3": 21.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.717] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 47,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2116",
    "depth": 100.0,
    "PO4": 1.61,
    "SiOH4": 21.29,
    "NO3_NO2": 20.52,
    "NO2": 0.06,
    "NH4": 0.03,
    "NO3": 20.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.717] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 47,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2116",
    "depth": 125.0,
    "PO4": 1.99,
    "SiOH4": 27.87,
    "NO3_NO2": 25.83,
    "NO2": 0.01,
    "NH4": 0.07,
    "NO3": 25.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.717] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 47,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2116",
    "depth": 150.0,
    "PO4": 2.28,
    "SiOH4": 34.34,
    "NO3_NO2": 30.38,
    "NO2": 0.01,
    "NH4": 0.1,
    "NO3": 30.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.717] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 47,
    "stn_id": "CF7",
    "water_depth": 182,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2116",
    "depth": 181.0,
    "PO4": 2.36,
    "SiOH4": 36.34,
    "NO3_NO2": 31.86,
    "NO2": 0.01,
    "NH4": 0.07,
    "NO3": 31.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.7837] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 49,
    "stn_id": "CF5",
    "water_depth": 192,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2214",
    "depth": 0.0,
    "PO4": 0.21,
    "SiOH4": 3.65,
    "NO3_NO2": 0.0,
    "NO2": 0.0,
    "NH4": 0.09,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.7837] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 49,
    "stn_id": "CF5",
    "water_depth": 192,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2214",
    "depth": 10.0,
    "PO4": 0.29,
    "SiOH4": 7.2,
    "NO3_NO2": 0.0,
    "NO2": 0.0,
    "NH4": 0.13,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.7837] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 49,
    "stn_id": "CF5",
    "water_depth": 192,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2214",
    "depth": 20.0,
    "PO4": 1.23,
    "SiOH4": 15.8,
    "NO3_NO2": 9.52,
    "NO2": 0.07,
    "NH4": 1.87,
    "NO3": 9.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.7837] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 49,
    "stn_id": "CF5",
    "water_depth": 192,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2214",
    "depth": 30.0,
    "PO4": 1.37,
    "SiOH4": 19.25,
    "NO3_NO2": 12.49,
    "NO2": 0.07,
    "NH4": 2.72,
    "NO3": 12.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.7837] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 49,
    "stn_id": "CF5",
    "water_depth": 192,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2214",
    "depth": 40.0,
    "PO4": 1.35,
    "SiOH4": 19.76,
    "NO3_NO2": 13.37,
    "NO2": 0.03,
    "NH4": 1.96,
    "NO3": 13.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.7837] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 49,
    "stn_id": "CF5",
    "water_depth": 192,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2214",
    "depth": 50.0,
    "PO4": 1.57,
    "SiOH4": 22.87,
    "NO3_NO2": 17.31,
    "NO2": 0.03,
    "NH4": 1.57,
    "NO3": 17.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.7837] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 49,
    "stn_id": "CF5",
    "water_depth": 192,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2214",
    "depth": 75.0,
    "PO4": 1.52,
    "SiOH4": 22.25,
    "NO3_NO2": 17.81,
    "NO2": 0.07,
    "NH4": 0.64,
    "NO3": 17.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.7837] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 49,
    "stn_id": "CF5",
    "water_depth": 192,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2214",
    "depth": 100.0,
    "PO4": 1.52,
    "SiOH4": 21.24,
    "NO3_NO2": 19.14,
    "NO2": 0.02,
    "NH4": 0.13,
    "NO3": 19.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.7837] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 49,
    "stn_id": "CF5",
    "water_depth": 192,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2214",
    "depth": 125.0,
    "PO4": 1.76,
    "SiOH4": 25.16,
    "NO3_NO2": 22.44,
    "NO2": 0.0,
    "NH4": 0.09,
    "NO3": 22.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.7837] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 49,
    "stn_id": "CF5",
    "water_depth": 192,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2214",
    "depth": 150.0,
    "PO4": 1.88,
    "SiOH4": 28.42,
    "NO3_NO2": 25.17,
    "NO2": 0.0,
    "NH4": 0.04,
    "NO3": 25.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8655, 59.7837] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 49,
    "stn_id": "CF5",
    "water_depth": 192,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2214",
    "depth": 190.0,
    "PO4": 2.17,
    "SiOH4": 36.05,
    "NO3_NO2": 30.1,
    "NO2": 0.0,
    "NH4": 0.04,
    "NO3": 30.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8675, 59.8499] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "CF3",
    "water_depth": 161,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2310",
    "depth": 0.0,
    "PO4": 0.11,
    "SiOH4": 3.29,
    "NO3_NO2": 0.0,
    "NO2": 0.0,
    "NH4": 0.3,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8675, 59.8499] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "CF3",
    "water_depth": 161,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2310",
    "depth": 10.0,
    "PO4": 0.68,
    "SiOH4": 10.93,
    "NO3_NO2": 4.23,
    "NO2": 0.08,
    "NH4": 0.85,
    "NO3": 4.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8675, 59.8499] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "CF3",
    "water_depth": 161,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2310",
    "depth": 20.0,
    "PO4": 0.84,
    "SiOH4": 13.79,
    "NO3_NO2": 7.89,
    "NO2": 0.09,
    "NH4": 0.98,
    "NO3": 7.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8675, 59.8499] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "CF3",
    "water_depth": 161,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2310",
    "depth": 30.0,
    "PO4": 1.12,
    "SiOH4": 18.35,
    "NO3_NO2": 12.28,
    "NO2": 0.12,
    "NH4": 2.68,
    "NO3": 12.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8675, 59.8499] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "CF3",
    "water_depth": 161,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2310",
    "depth": 40.0,
    "PO4": 1.3,
    "SiOH4": 20.09,
    "NO3_NO2": 14.17,
    "NO2": 0.08,
    "NH4": 2.68,
    "NO3": 14.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8675, 59.8499] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "CF3",
    "water_depth": 161,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2310",
    "depth": 50.0,
    "PO4": 1.33,
    "SiOH4": 20.83,
    "NO3_NO2": 15.0,
    "NO2": 0.07,
    "NH4": 2.34,
    "NO3": 14.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8675, 59.8499] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "CF3",
    "water_depth": 161,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2310",
    "depth": 75.0,
    "PO4": 1.42,
    "SiOH4": 22.56,
    "NO3_NO2": 17.77,
    "NO2": 0.09,
    "NH4": 1.15,
    "NO3": 17.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8675, 59.8499] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "CF3",
    "water_depth": 161,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2310",
    "depth": 100.0,
    "PO4": 1.49,
    "SiOH4": 22.97,
    "NO3_NO2": 19.93,
    "NO2": 0.0,
    "NH4": 0.13,
    "NO3": 19.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8675, 59.8499] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "CF3",
    "water_depth": 161,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2310",
    "depth": 125.0,
    "PO4": 1.6,
    "SiOH4": 24.17,
    "NO3_NO2": 21.36,
    "NO2": 0.0,
    "NH4": 0.17,
    "NO3": 21.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8675, 59.8499] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 51,
    "stn_id": "CF3",
    "water_depth": 161,
    "month_gmt": "07",
    "day_gmt": "02",
    "time_gmt": "2310",
    "depth": 159.0,
    "PO4": 2.12,
    "SiOH4": 34.78,
    "NO3_NO2": 27.23,
    "NO2": 0.0,
    "NH4": 0.09,
    "NO3": 27.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.9077] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "0004",
    "depth": 0.0,
    "PO4": 0.4,
    "SiOH4": 2.78,
    "NO3_NO2": 0.0,
    "NO2": 0.03,
    "NH4": 0.21,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.9077] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "0004",
    "depth": 10.0,
    "PO4": 0.83,
    "SiOH4": 10.3,
    "NO3_NO2": 5.47,
    "NO2": 0.07,
    "NH4": 0.73,
    "NO3": 5.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.9077] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "0004",
    "depth": 20.0,
    "PO4": 0.91,
    "SiOH4": 12.32,
    "NO3_NO2": 6.85,
    "NO2": 0.07,
    "NH4": 1.01,
    "NO3": 6.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.9077] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "0004",
    "depth": 30.0,
    "PO4": 0.99,
    "SiOH4": 13.28,
    "NO3_NO2": 7.8,
    "NO2": 0.08,
    "NH4": 0.95,
    "NO3": 7.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.9077] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "0004",
    "depth": 40.0,
    "PO4": 1.3,
    "SiOH4": 18.08,
    "NO3_NO2": 12.9,
    "NO2": 0.12,
    "NH4": 1.37,
    "NO3": 12.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.9077] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "0004",
    "depth": 50.0,
    "PO4": 1.52,
    "SiOH4": 20.9,
    "NO3_NO2": 16.39,
    "NO2": 0.14,
    "NH4": 1.46,
    "NO3": 16.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8673, 59.9077] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 53,
    "stn_id": "CF1",
    "water_depth": 85,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "0004",
    "depth": 85.0,
    "PO4": 1.82,
    "SiOH4": 27.32,
    "NO3_NO2": 19.77,
    "NO2": 0.13,
    "NH4": 1.16,
    "NO3": 19.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8667, 59.4072] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 54,
    "stn_id": "RI10",
    "water_depth": 175,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "0408",
    "depth": 0.0,
    "PO4": 0.45,
    "SiOH4": 9.86,
    "NO3_NO2": 0.0,
    "NO2": 0.03,
    "NH4": 0.16,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8667, 59.4072] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 54,
    "stn_id": "RI10",
    "water_depth": 175,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "0408",
    "depth": 10.0,
    "PO4": 0.48,
    "SiOH4": 11.28,
    "NO3_NO2": 0.5,
    "NO2": 0.05,
    "NH4": 0.24,
    "NO3": 0.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8667, 59.4072] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 54,
    "stn_id": "RI10",
    "water_depth": 175,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "0408",
    "depth": 30.0,
    "PO4": 1.2,
    "SiOH4": 17.65,
    "NO3_NO2": 8.04,
    "NO2": 0.1,
    "NH4": 1.52,
    "NO3": 7.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8667, 59.4072] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 54,
    "stn_id": "RI10",
    "water_depth": 175,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "0408",
    "depth": 40.0,
    "PO4": 1.61,
    "SiOH4": 20.84,
    "NO3_NO2": 12.58,
    "NO2": 0.05,
    "NH4": 1.68,
    "NO3": 12.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8667, 59.4072] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 54,
    "stn_id": "RI10",
    "water_depth": 175,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "0408",
    "depth": 50.0,
    "PO4": 1.67,
    "SiOH4": 21.75,
    "NO3_NO2": 14.39,
    "NO2": 0.05,
    "NH4": 1.2,
    "NO3": 14.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8667, 59.4072] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 54,
    "stn_id": "RI10",
    "water_depth": 175,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "0408",
    "depth": 100.0,
    "PO4": 1.7,
    "SiOH4": 22.33,
    "NO3_NO2": 17.11,
    "NO2": 0.11,
    "NH4": 0.04,
    "NO3": 17.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-148.8667, 59.4072] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 54,
    "stn_id": "RI10",
    "water_depth": 175,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "0408",
    "depth": 170.0,
    "PO4": 2.57,
    "SiOH4": 39.59,
    "NO3_NO2": 29.5,
    "NO2": 0.06,
    "NH4": 0.08,
    "NO3": 29.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0492, 59.4076] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 55,
    "stn_id": "RI9",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "0456",
    "depth": 0.0,
    "PO4": 0.26,
    "SiOH4": 10.54,
    "NO3_NO2": 0.0,
    "NO2": 0.06,
    "NH4": 0.04,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0492, 59.4076] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 55,
    "stn_id": "RI9",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "0456",
    "depth": 10.0,
    "PO4": 0.38,
    "SiOH4": 11.04,
    "NO3_NO2": 0.5,
    "NO2": 0.03,
    "NH4": 0.04,
    "NO3": 0.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0492, 59.4076] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 55,
    "stn_id": "RI9",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "0456",
    "depth": 20.0,
    "PO4": 1.03,
    "SiOH4": 16.19,
    "NO3_NO2": 6.88,
    "NO2": 0.08,
    "NH4": 0.64,
    "NO3": 6.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0492, 59.4076] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 55,
    "stn_id": "RI9",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "0456",
    "depth": 30.0,
    "PO4": 1.31,
    "SiOH4": 18.61,
    "NO3_NO2": 11.28,
    "NO2": 0.14,
    "NH4": 0.96,
    "NO3": 11.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0492, 59.4076] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 55,
    "stn_id": "RI9",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "0456",
    "depth": 40.0,
    "PO4": 1.4,
    "SiOH4": 18.28,
    "NO3_NO2": 12.36,
    "NO2": 0.12,
    "NH4": 0.64,
    "NO3": 12.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0492, 59.4076] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 55,
    "stn_id": "RI9",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "0456",
    "depth": 50.0,
    "PO4": 1.49,
    "SiOH4": 19.08,
    "NO3_NO2": 13.6,
    "NO2": 0.1,
    "NH4": 0.12,
    "NO3": 13.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0492, 59.4076] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 55,
    "stn_id": "RI9",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "0456",
    "depth": 100.0,
    "PO4": 1.73,
    "SiOH4": 21.92,
    "NO3_NO2": 17.74,
    "NO2": 0.03,
    "NH4": 0.04,
    "NO3": 17.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0492, 59.4076] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 55,
    "stn_id": "RI9",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "0456",
    "depth": 150.0,
    "PO4": 2.26,
    "SiOH4": 33.4,
    "NO3_NO2": 24.92,
    "NO2": 0.1,
    "NH4": 0.04,
    "NO3": 24.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0492, 59.4076] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 55,
    "stn_id": "RI9",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "0456",
    "depth": 196.0,
    "PO4": 2.66,
    "SiOH4": 43.05,
    "NO3_NO2": 30.75,
    "NO2": 0.07,
    "NH4": 0.12,
    "NO3": 30.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2128, 59.4071] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 56,
    "stn_id": "RI8",
    "water_depth": 188,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "0542",
    "depth": 0.0,
    "PO4": 0.21,
    "SiOH4": 8.13,
    "NO3_NO2": 0.0,
    "NO2": 0.01,
    "NH4": 0.33,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2128, 59.4071] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 56,
    "stn_id": "RI8",
    "water_depth": 188,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "0542",
    "depth": 10.0,
    "PO4": 0.37,
    "SiOH4": 11.26,
    "NO3_NO2": 0.25,
    "NO2": 0.01,
    "NH4": 0.5,
    "NO3": 0.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2128, 59.4071] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 56,
    "stn_id": "RI8",
    "water_depth": 188,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "0542",
    "depth": 20.0,
    "PO4": 0.91,
    "SiOH4": 14.54,
    "NO3_NO2": 5.44,
    "NO2": 0.01,
    "NH4": 1.0,
    "NO3": 5.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2128, 59.4071] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 56,
    "stn_id": "RI8",
    "water_depth": 188,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "0542",
    "depth": 30.0,
    "PO4": 1.31,
    "SiOH4": 17.37,
    "NO3_NO2": 12.57,
    "NO2": 0.1,
    "NH4": 1.03,
    "NO3": 12.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2128, 59.4071] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 56,
    "stn_id": "RI8",
    "water_depth": 188,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "0542",
    "depth": 40.0,
    "PO4": 1.43,
    "SiOH4": 17.72,
    "NO3_NO2": 14.96,
    "NO2": 0.1,
    "NH4": 0.1,
    "NO3": 14.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2128, 59.4071] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 56,
    "stn_id": "RI8",
    "water_depth": 188,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "0542",
    "depth": 100.0,
    "PO4": 1.64,
    "SiOH4": 19.16,
    "NO3_NO2": 18.02,
    "NO2": 0.05,
    "NH4": 0.07,
    "NO3": 17.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2128, 59.4071] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 56,
    "stn_id": "RI8",
    "water_depth": 188,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "0542",
    "depth": 150.0,
    "PO4": 2.23,
    "SiOH4": 30.72,
    "NO3_NO2": 26.74,
    "NO2": 0.05,
    "NH4": 0.13,
    "NO3": 26.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2128, 59.4071] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 56,
    "stn_id": "RI8",
    "water_depth": 188,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "0542",
    "depth": 186.0,
    "PO4": 2.42,
    "SiOH4": 35.16,
    "NO3_NO2": 29.27,
    "NO2": 0.05,
    "NH4": 0.17,
    "NO3": 29.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4671, 59.8442] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1208",
    "depth": 0.0,
    "PO4": 0.34,
    "SiOH4": 1.07,
    "NO3_NO2": 0.0,
    "NO2": 0.02,
    "NH4": 0.23,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4671, 59.8442] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1208",
    "depth": 10.0,
    "PO4": 0.36,
    "SiOH4": 1.51,
    "NO3_NO2": 0.0,
    "NO2": 0.01,
    "NH4": 0.1,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4671, 59.8442] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1208",
    "depth": 20.0,
    "PO4": 0.59,
    "SiOH4": 2.75,
    "NO3_NO2": 0.5,
    "NO2": 0.02,
    "NH4": 0.53,
    "NO3": 0.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4671, 59.8442] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1208",
    "depth": 30.0,
    "PO4": 1.28,
    "SiOH4": 8.79,
    "NO3_NO2": 5.86,
    "NO2": 0.1,
    "NH4": 3.5,
    "NO3": 5.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4671, 59.8442] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1208",
    "depth": 40.0,
    "PO4": 1.58,
    "SiOH4": 15.84,
    "NO3_NO2": 11.81,
    "NO2": 0.18,
    "NH4": 3.33,
    "NO3": 11.63 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4671, 59.8442] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1208",
    "depth": 50.0,
    "PO4": 1.66,
    "SiOH4": 21.14,
    "NO3_NO2": 15.6,
    "NO2": 0.12,
    "NH4": 2.1,
    "NO3": 15.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4671, 59.8442] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1208",
    "depth": 75.0,
    "PO4": 1.71,
    "SiOH4": 24.1,
    "NO3_NO2": 17.14,
    "NO2": 0.11,
    "NH4": 1.37,
    "NO3": 17.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4671, 59.8442] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1208",
    "depth": 100.0,
    "PO4": 1.78,
    "SiOH4": 24.66,
    "NO3_NO2": 19.52,
    "NO2": 0.02,
    "NH4": 0.07,
    "NO3": 19.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4671, 59.8442] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1208",
    "depth": 125.0,
    "PO4": 1.82,
    "SiOH4": 24.85,
    "NO3_NO2": 20.49,
    "NO2": 0.01,
    "NH4": 0.07,
    "NO3": 20.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4671, 59.8442] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1208",
    "depth": 175.0,
    "PO4": 2.06,
    "SiOH4": 30.84,
    "NO3_NO2": 24.82,
    "NO2": 0.02,
    "NH4": 0.1,
    "NO3": 24.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4671, 59.8442] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1208",
    "depth": 225.0,
    "PO4": 2.21,
    "SiOH4": 34.64,
    "NO3_NO2": 27.84,
    "NO2": 0.03,
    "NH4": 0.03,
    "NO3": 27.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4671, 59.8442] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 57,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1208",
    "depth": 270.0,
    "PO4": 2.32,
    "SiOH4": 37.46,
    "NO3_NO2": 29.2,
    "NO2": 0.06,
    "NH4": 0.1,
    "NO3": 29.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4661, 59.8415] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 63,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1348",
    "depth": 0.0,
    "PO4": 0.07,
    "SiOH4": 1.03,
    "NO3_NO2": 0.0,
    "NO2": 0.02,
    "NH4": 0.03,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4661, 59.8415] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 63,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1348",
    "depth": 5.0,
    "PO4": 0.16,
    "SiOH4": 0.79,
    "NO3_NO2": 0.0,
    "NO2": 0.01,
    "NH4": 0.07,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4661, 59.8415] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 63,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1348",
    "depth": 9.0,
    "PO4": 0.21,
    "SiOH4": 1.15,
    "NO3_NO2": 0.0,
    "NO2": 0.02,
    "NH4": 0.03,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4661, 59.8415] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 63,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1348",
    "depth": 17.0,
    "PO4": 0.34,
    "SiOH4": 2.26,
    "NO3_NO2": 0.0,
    "NO2": 0.05,
    "NH4": 0.03,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4661, 59.8415] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 63,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1348",
    "depth": 23.0,
    "PO4": 0.56,
    "SiOH4": 4.04,
    "NO3_NO2": 0.5,
    "NO2": 0.07,
    "NH4": 0.27,
    "NO3": 0.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4661, 59.8415] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 63,
    "stn_id": "GAK1",
    "water_depth": 270,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1348",
    "depth": 36.0,
    "PO4": 1.37,
    "SiOH4": 13.05,
    "NO3_NO2": 9.84,
    "NO2": 0.18,
    "NH4": 3.63,
    "NO3": 9.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3759, 59.4083] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 64,
    "stn_id": "RI7",
    "water_depth": 142,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1629",
    "depth": 0.0,
    "PO4": 0.46,
    "SiOH4": 8.32,
    "NO3_NO2": 0.0,
    "NO2": 0.0,
    "NH4": 0.0,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3759, 59.4083] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 64,
    "stn_id": "RI7",
    "water_depth": 142,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1629",
    "depth": 10.0,
    "PO4": 0.66,
    "SiOH4": 11.72,
    "NO3_NO2": 0.23,
    "NO2": 0.0,
    "NH4": 0.0,
    "NO3": 0.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3759, 59.4083] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 64,
    "stn_id": "RI7",
    "water_depth": 142,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1629",
    "depth": 30.0,
    "PO4": 1.38,
    "SiOH4": 18.12,
    "NO3_NO2": 12.37,
    "NO2": 0.09,
    "NH4": 0.36,
    "NO3": 12.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3759, 59.4083] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 64,
    "stn_id": "RI7",
    "water_depth": 142,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1629",
    "depth": 40.0,
    "PO4": 1.45,
    "SiOH4": 19.43,
    "NO3_NO2": 15.32,
    "NO2": 0.1,
    "NH4": 0.0,
    "NO3": 15.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3759, 59.4083] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 64,
    "stn_id": "RI7",
    "water_depth": 142,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1629",
    "depth": 50.0,
    "PO4": 1.61,
    "SiOH4": 20.25,
    "NO3_NO2": 17.47,
    "NO2": 0.06,
    "NH4": 0.0,
    "NO3": 17.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3759, 59.4083] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 64,
    "stn_id": "RI7",
    "water_depth": 142,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1629",
    "depth": 75.0,
    "PO4": 1.72,
    "SiOH4": 20.73,
    "NO3_NO2": 19.49,
    "NO2": 0.0,
    "NH4": 0.0,
    "NO3": 19.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3759, 59.4083] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 64,
    "stn_id": "RI7",
    "water_depth": 142,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1629",
    "depth": 100.0,
    "PO4": 1.73,
    "SiOH4": 20.93,
    "NO3_NO2": 20.38,
    "NO2": 0.0,
    "NH4": 0.0,
    "NO3": 20.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3759, 59.4083] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 64,
    "stn_id": "RI7",
    "water_depth": 142,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1629",
    "depth": 140.0,
    "PO4": 2.05,
    "SiOH4": 26.68,
    "NO3_NO2": 24.37,
    "NO2": 0.0,
    "NH4": 0.0,
    "NO3": 24.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5414, 59.4075] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 65,
    "stn_id": "RI6",
    "water_depth": 98,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1714",
    "depth": 0.0,
    "PO4": 0.26,
    "SiOH4": 7.21,
    "NO3_NO2": 0.0,
    "NO2": 0.0,
    "NH4": 0.0,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5414, 59.4075] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 65,
    "stn_id": "RI6",
    "water_depth": 98,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1714",
    "depth": 10.0,
    "PO4": 0.69,
    "SiOH4": 13.42,
    "NO3_NO2": 2.76,
    "NO2": 0.0,
    "NH4": 0.0,
    "NO3": 2.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5414, 59.4075] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 65,
    "stn_id": "RI6",
    "water_depth": 98,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1714",
    "depth": 20.0,
    "PO4": 1.21,
    "SiOH4": 17.51,
    "NO3_NO2": 11.1,
    "NO2": 0.08,
    "NH4": 0.34,
    "NO3": 11.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5414, 59.4075] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 65,
    "stn_id": "RI6",
    "water_depth": 98,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1714",
    "depth": 30.0,
    "PO4": 1.6,
    "SiOH4": 20.66,
    "NO3_NO2": 15.54,
    "NO2": 0.08,
    "NH4": 1.24,
    "NO3": 15.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5414, 59.4075] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 65,
    "stn_id": "RI6",
    "water_depth": 98,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1714",
    "depth": 40.0,
    "PO4": 1.71,
    "SiOH4": 22.25,
    "NO3_NO2": 17.99,
    "NO2": 0.06,
    "NH4": 0.93,
    "NO3": 17.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5414, 59.4075] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 65,
    "stn_id": "RI6",
    "water_depth": 98,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1714",
    "depth": 50.0,
    "PO4": 1.74,
    "SiOH4": 22.71,
    "NO3_NO2": 18.84,
    "NO2": 0.07,
    "NH4": 0.13,
    "NO3": 18.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.5414, 59.4075] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 65,
    "stn_id": "RI6",
    "water_depth": 98,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1714",
    "depth": 95.0,
    "PO4": 1.74,
    "SiOH4": 22.62,
    "NO3_NO2": 20.24,
    "NO2": 0.0,
    "NH4": 0.0,
    "NO3": 20.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7059, 59.4073] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 66,
    "stn_id": "RI5",
    "water_depth": 100,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1754",
    "depth": 0.0,
    "PO4": 0.26,
    "SiOH4": 1.73,
    "NO3_NO2": 0.0,
    "NO2": 0.0,
    "NH4": 0.2,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7059, 59.4073] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 66,
    "stn_id": "RI5",
    "water_depth": 100,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1754",
    "depth": 10.0,
    "PO4": 0.23,
    "SiOH4": 1.7,
    "NO3_NO2": 0.0,
    "NO2": 0.0,
    "NH4": 0.43,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7059, 59.4073] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 66,
    "stn_id": "RI5",
    "water_depth": 100,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1754",
    "depth": 20.0,
    "PO4": 0.62,
    "SiOH4": 5.92,
    "NO3_NO2": 0.63,
    "NO2": 0.02,
    "NH4": 0.13,
    "NO3": 0.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7059, 59.4073] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 66,
    "stn_id": "RI5",
    "water_depth": 100,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1754",
    "depth": 30.0,
    "PO4": 1.28,
    "SiOH4": 12.32,
    "NO3_NO2": 8.84,
    "NO2": 0.1,
    "NH4": 2.67,
    "NO3": 8.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7059, 59.4073] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 66,
    "stn_id": "RI5",
    "water_depth": 100,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1754",
    "depth": 40.0,
    "PO4": 1.46,
    "SiOH4": 15.46,
    "NO3_NO2": 11.61,
    "NO2": 0.12,
    "NH4": 2.73,
    "NO3": 11.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7059, 59.4073] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 66,
    "stn_id": "RI5",
    "water_depth": 100,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1754",
    "depth": 50.0,
    "PO4": 1.52,
    "SiOH4": 16.24,
    "NO3_NO2": 12.55,
    "NO2": 0.14,
    "NH4": 2.0,
    "NO3": 12.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7059, 59.4073] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 66,
    "stn_id": "RI5",
    "water_depth": 100,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1754",
    "depth": 75.0,
    "PO4": 1.59,
    "SiOH4": 19.09,
    "NO3_NO2": 15.39,
    "NO2": 0.12,
    "NH4": 1.77,
    "NO3": 15.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7059, 59.4073] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 66,
    "stn_id": "RI5",
    "water_depth": 100,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1754",
    "depth": 104.0,
    "PO4": 1.66,
    "SiOH4": 21.54,
    "NO3_NO2": 17.82,
    "NO2": 0.12,
    "NH4": 0.93,
    "NO3": 17.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8712, 59.4079] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 67,
    "stn_id": "RI4",
    "water_depth": 163,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1838",
    "depth": 0.0,
    "PO4": 0.18,
    "SiOH4": 3.03,
    "NO3_NO2": 0.0,
    "NO2": 0.0,
    "NH4": 0.07,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8712, 59.4079] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 67,
    "stn_id": "RI4",
    "water_depth": 163,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1838",
    "depth": 10.0,
    "PO4": 0.6,
    "SiOH4": 8.88,
    "NO3_NO2": 1.14,
    "NO2": 0.05,
    "NH4": 0.27,
    "NO3": 1.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8712, 59.4079] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 67,
    "stn_id": "RI4",
    "water_depth": 163,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1838",
    "depth": 20.0,
    "PO4": 1.1,
    "SiOH4": 13.37,
    "NO3_NO2": 9.26,
    "NO2": 0.12,
    "NH4": 1.2,
    "NO3": 9.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8712, 59.4079] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 67,
    "stn_id": "RI4",
    "water_depth": 163,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1838",
    "depth": 30.0,
    "PO4": 1.78,
    "SiOH4": 17.32,
    "NO3_NO2": 14.08,
    "NO2": 0.16,
    "NH4": 2.5,
    "NO3": 13.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8712, 59.4079] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 67,
    "stn_id": "RI4",
    "water_depth": 163,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1838",
    "depth": 40.0,
    "PO4": 1.83,
    "SiOH4": 19.24,
    "NO3_NO2": 13.23,
    "NO2": 0.13,
    "NH4": 2.9,
    "NO3": 13.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8712, 59.4079] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 67,
    "stn_id": "RI4",
    "water_depth": 163,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1838",
    "depth": 50.0,
    "PO4": 1.9,
    "SiOH4": 21.1,
    "NO3_NO2": 16.47,
    "NO2": 0.12,
    "NH4": 1.93,
    "NO3": 16.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8712, 59.4079] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 67,
    "stn_id": "RI4",
    "water_depth": 163,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1838",
    "depth": 75.0,
    "PO4": 2.05,
    "SiOH4": 21.94,
    "NO3_NO2": 18.9,
    "NO2": 0.11,
    "NH4": 0.77,
    "NO3": 18.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8712, 59.4079] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 67,
    "stn_id": "RI4",
    "water_depth": 163,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1838",
    "depth": 100.0,
    "PO4": 1.83,
    "SiOH4": 22.35,
    "NO3_NO2": 20.22,
    "NO2": 0.08,
    "NH4": 0.1,
    "NO3": 20.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8712, 59.4079] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 67,
    "stn_id": "RI4",
    "water_depth": 163,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1838",
    "depth": 125.0,
    "PO4": 1.88,
    "SiOH4": 24.32,
    "NO3_NO2": 21.45,
    "NO2": 0.01,
    "NH4": 0.13,
    "NO3": 21.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8712, 59.4079] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 67,
    "stn_id": "RI4",
    "water_depth": 163,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1838",
    "depth": 162.0,
    "PO4": 2.12,
    "SiOH4": 31.2,
    "NO3_NO2": 24.35,
    "NO2": 0.01,
    "NH4": 0.1,
    "NO3": 24.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.033, 59.4071] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "RI3",
    "water_depth": 162,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1923",
    "depth": 0.0,
    "PO4": 0.33,
    "SiOH4": 3.48,
    "NO3_NO2": 0.06,
    "NO2": 0.03,
    "NH4": 0.01,
    "NO3": 0.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.033, 59.4071] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "RI3",
    "water_depth": 162,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1923",
    "depth": 10.0,
    "PO4": 0.43,
    "SiOH4": 8.4,
    "NO3_NO2": 0.81,
    "NO2": 0.03,
    "NH4": 0.04,
    "NO3": 0.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.033, 59.4071] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "RI3",
    "water_depth": 162,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1923",
    "depth": 20.0,
    "PO4": 1.11,
    "SiOH4": 14.91,
    "NO3_NO2": 8.5,
    "NO2": 0.09,
    "NH4": 1.21,
    "NO3": 8.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.033, 59.4071] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "RI3",
    "water_depth": 162,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1923",
    "depth": 30.0,
    "PO4": 1.42,
    "SiOH4": 18.87,
    "NO3_NO2": 12.84,
    "NO2": 0.14,
    "NH4": 2.01,
    "NO3": 12.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.033, 59.4071] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "RI3",
    "water_depth": 162,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1923",
    "depth": 40.0,
    "PO4": 1.52,
    "SiOH4": 20.39,
    "NO3_NO2": 14.49,
    "NO2": 0.14,
    "NH4": 2.0,
    "NO3": 14.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.033, 59.4071] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "RI3",
    "water_depth": 162,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1923",
    "depth": 50.0,
    "PO4": 1.62,
    "SiOH4": 22.28,
    "NO3_NO2": 16.28,
    "NO2": 0.12,
    "NH4": 1.58,
    "NO3": 16.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.033, 59.4071] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "RI3",
    "water_depth": 162,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1923",
    "depth": 75.0,
    "PO4": 1.67,
    "SiOH4": 24.49,
    "NO3_NO2": 19.19,
    "NO2": 0.16,
    "NH4": 0.16,
    "NO3": 19.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.033, 59.4071] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "RI3",
    "water_depth": 162,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1923",
    "depth": 100.0,
    "PO4": 1.77,
    "SiOH4": 25.64,
    "NO3_NO2": 20.59,
    "NO2": 0.1,
    "NH4": 0.01,
    "NO3": 20.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.033, 59.4071] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "RI3",
    "water_depth": 162,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1923",
    "depth": 125.0,
    "PO4": 1.84,
    "SiOH4": 26.41,
    "NO3_NO2": 21.35,
    "NO2": 0.05,
    "NH4": 0.02,
    "NO3": 21.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.033, 59.4071] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 68,
    "stn_id": "RI3",
    "water_depth": 162,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "1923",
    "depth": 162.0,
    "PO4": 1.92,
    "SiOH4": 29.31,
    "NO3_NO2": 22.42,
    "NO2": 0.06,
    "NH4": 0.01,
    "NO3": 22.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1986, 59.4068] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 69,
    "stn_id": "RI2",
    "water_depth": 123,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "2013",
    "depth": 0.0,
    "PO4": 0.35,
    "SiOH4": 2.91,
    "NO3_NO2": 0.24,
    "NO2": 0.06,
    "NH4": 0.01,
    "NO3": 0.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1986, 59.4068] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 69,
    "stn_id": "RI2",
    "water_depth": 123,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "2013",
    "depth": 10.0,
    "PO4": 0.75,
    "SiOH4": 6.5,
    "NO3_NO2": 3.82,
    "NO2": 0.03,
    "NH4": 0.74,
    "NO3": 3.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1986, 59.4068] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 69,
    "stn_id": "RI2",
    "water_depth": 123,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "2013",
    "depth": 20.0,
    "PO4": 1.26,
    "SiOH4": 13.8,
    "NO3_NO2": 10.61,
    "NO2": 0.14,
    "NH4": 2.49,
    "NO3": 10.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1986, 59.4068] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 69,
    "stn_id": "RI2",
    "water_depth": 123,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "2013",
    "depth": 30.0,
    "PO4": 1.52,
    "SiOH4": 19.62,
    "NO3_NO2": 14.87,
    "NO2": 0.16,
    "NH4": 2.54,
    "NO3": 14.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1986, 59.4068] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 69,
    "stn_id": "RI2",
    "water_depth": 123,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "2013",
    "depth": 40.0,
    "PO4": 1.7,
    "SiOH4": 22.31,
    "NO3_NO2": 16.27,
    "NO2": 0.14,
    "NH4": 2.13,
    "NO3": 16.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1986, 59.4068] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 69,
    "stn_id": "RI2",
    "water_depth": 123,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "2013",
    "depth": 50.0,
    "PO4": 1.72,
    "SiOH4": 23.88,
    "NO3_NO2": 17.24,
    "NO2": 0.14,
    "NH4": 1.67,
    "NO3": 17.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1986, 59.4068] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 69,
    "stn_id": "RI2",
    "water_depth": 123,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "2013",
    "depth": 75.0,
    "PO4": 1.96,
    "SiOH4": 30.76,
    "NO3_NO2": 19.76,
    "NO2": 0.14,
    "NH4": 1.56,
    "NO3": 19.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1986, 59.4068] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 69,
    "stn_id": "RI2",
    "water_depth": 123,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "2013",
    "depth": 100.0,
    "PO4": 1.92,
    "SiOH4": 32.07,
    "NO3_NO2": 22.17,
    "NO2": 0.15,
    "NH4": 0.03,
    "NO3": 22.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.1986, 59.4068] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 69,
    "stn_id": "RI2",
    "water_depth": 123,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "2013",
    "depth": 122.0,
    "PO4": 1.92,
    "SiOH4": 32.21,
    "NO3_NO2": 22.55,
    "NO2": 0.12,
    "NH4": 0.01,
    "NO3": 22.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.2584, 59.4094] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "RI1",
    "water_depth": 98,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "2038",
    "depth": 0.0,
    "PO4": 0.53,
    "SiOH4": 2.65,
    "NO3_NO2": 0.05,
    "NO2": 0.02,
    "NH4": 0.06,
    "NO3": 0.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.2584, 59.4094] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "RI1",
    "water_depth": 98,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "2038",
    "depth": 10.0,
    "PO4": 0.52,
    "SiOH4": 2.61,
    "NO3_NO2": 0.23,
    "NO2": 0.03,
    "NH4": 0.1,
    "NO3": 0.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.2584, 59.4094] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "RI1",
    "water_depth": 98,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "2038",
    "depth": 20.0,
    "PO4": 1.38,
    "SiOH4": 14.53,
    "NO3_NO2": 11.18,
    "NO2": 0.12,
    "NH4": 3.83,
    "NO3": 11.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.2584, 59.4094] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "RI1",
    "water_depth": 98,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "2038",
    "depth": 30.0,
    "PO4": 1.56,
    "SiOH4": 18.53,
    "NO3_NO2": 13.49,
    "NO2": 0.13,
    "NH4": 4.03,
    "NO3": 13.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.2584, 59.4094] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "RI1",
    "water_depth": 98,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "2038",
    "depth": 40.0,
    "PO4": 1.5,
    "SiOH4": 20.04,
    "NO3_NO2": 14.93,
    "NO2": 0.12,
    "NH4": 3.08,
    "NO3": 14.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.2584, 59.4094] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "RI1",
    "water_depth": 98,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "2038",
    "depth": 50.0,
    "PO4": 1.57,
    "SiOH4": 22.53,
    "NO3_NO2": 16.85,
    "NO2": 0.12,
    "NH4": 2.68,
    "NO3": 16.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.2584, 59.4094] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "RI1",
    "water_depth": 98,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "2038",
    "depth": 75.0,
    "PO4": 1.75,
    "SiOH4": 28.9,
    "NO3_NO2": 20.99,
    "NO2": 0.1,
    "NH4": 1.71,
    "NO3": 20.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-150.2584, 59.4094] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 70,
    "stn_id": "RI1",
    "water_depth": 98,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "2038",
    "depth": 96.0,
    "PO4": 1.81,
    "SiOH4": 29.73,
    "NO3_NO2": 21.62,
    "NO2": 0.11,
    "NH4": 1.55,
    "NO3": 21.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8618, 59.003] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 71,
    "stn_id": "MM8",
    "water_depth": 225,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "2333",
    "depth": 0.0,
    "PO4": 0.63,
    "SiOH4": 4.6,
    "NO3_NO2": 0.05,
    "NO2": 0.02,
    "NH4": 0.02,
    "NO3": 0.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8618, 59.003] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 71,
    "stn_id": "MM8",
    "water_depth": 225,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "2333",
    "depth": 10.0,
    "PO4": 1.41,
    "SiOH4": 12.43,
    "NO3_NO2": 8.09,
    "NO2": 0.1,
    "NH4": 2.43,
    "NO3": 7.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8618, 59.003] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 71,
    "stn_id": "MM8",
    "water_depth": 225,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "2333",
    "depth": 20.0,
    "PO4": 1.67,
    "SiOH4": 19.53,
    "NO3_NO2": 14.77,
    "NO2": 0.12,
    "NH4": 2.61,
    "NO3": 14.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8618, 59.003] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 71,
    "stn_id": "MM8",
    "water_depth": 225,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "2333",
    "depth": 30.0,
    "PO4": 1.73,
    "SiOH4": 21.1,
    "NO3_NO2": 16.15,
    "NO2": 0.08,
    "NH4": 2.18,
    "NO3": 16.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8618, 59.003] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 71,
    "stn_id": "MM8",
    "water_depth": 225,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "2333",
    "depth": 40.0,
    "PO4": 1.73,
    "SiOH4": 22.72,
    "NO3_NO2": 17.26,
    "NO2": 0.09,
    "NH4": 1.5,
    "NO3": 17.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8618, 59.003] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 71,
    "stn_id": "MM8",
    "water_depth": 225,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "2333",
    "depth": 50.0,
    "PO4": 1.72,
    "SiOH4": 23.46,
    "NO3_NO2": 17.91,
    "NO2": 0.11,
    "NH4": 0.92,
    "NO3": 17.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8618, 59.003] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 71,
    "stn_id": "MM8",
    "water_depth": 225,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "2333",
    "depth": 75.0,
    "PO4": 1.72,
    "SiOH4": 23.1,
    "NO3_NO2": 19.59,
    "NO2": 0.06,
    "NH4": 0.01,
    "NO3": 19.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8618, 59.003] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 71,
    "stn_id": "MM8",
    "water_depth": 225,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "2333",
    "depth": 125.0,
    "PO4": 1.91,
    "SiOH4": 26.31,
    "NO3_NO2": 23.9,
    "NO2": 0.02,
    "NH4": 0.01,
    "NO3": 23.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8618, 59.003] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 71,
    "stn_id": "MM8",
    "water_depth": 225,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "2333",
    "depth": 150.0,
    "PO4": 2.08,
    "SiOH4": 30.08,
    "NO3_NO2": 27.03,
    "NO2": 0.02,
    "NH4": 0.01,
    "NO3": 27.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8618, 59.003] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 71,
    "stn_id": "MM8",
    "water_depth": 225,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "2333",
    "depth": 175.0,
    "PO4": 2.33,
    "SiOH4": 37.06,
    "NO3_NO2": 33.05,
    "NO2": 0.02,
    "NH4": 0.01,
    "NO3": 33.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.8618, 59.003] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 71,
    "stn_id": "MM8",
    "water_depth": 225,
    "month_gmt": "07",
    "day_gmt": "03",
    "time_gmt": "2333",
    "depth": 220.0,
    "PO4": 2.92,
    "SiOH4": null,
    "NO3_NO2": 42.72,
    "NO2": 0.03,
    "NH4": 0.01,
    "NO3": 42.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7564, 59.0641] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "MM7",
    "water_depth": 224,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0025",
    "depth": 6.0,
    "PO4": 0.28,
    "SiOH4": 3.39,
    "NO3_NO2": 0.05,
    "NO2": 0.0,
    "NH4": 0.09,
    "NO3": 0.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7564, 59.0641] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "MM7",
    "water_depth": 224,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0025",
    "depth": 10.0,
    "PO4": 0.33,
    "SiOH4": 5.97,
    "NO3_NO2": 0.05,
    "NO2": 0.0,
    "NH4": 0.1,
    "NO3": 0.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7564, 59.0641] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "MM7",
    "water_depth": 224,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0025",
    "depth": 20.0,
    "PO4": 0.66,
    "SiOH4": 13.24,
    "NO3_NO2": 1.23,
    "NO2": 0.03,
    "NH4": 0.1,
    "NO3": 1.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7564, 59.0641] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "MM7",
    "water_depth": 224,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0025",
    "depth": 30.0,
    "PO4": 1.63,
    "SiOH4": 22.68,
    "NO3_NO2": 18.8,
    "NO2": 0.13,
    "NH4": 0.81,
    "NO3": 18.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7564, 59.0641] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "MM7",
    "water_depth": 224,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0025",
    "depth": 40.0,
    "PO4": 1.56,
    "SiOH4": 21.91,
    "NO3_NO2": 16.59,
    "NO2": 0.15,
    "NH4": 1.03,
    "NO3": 16.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7564, 59.0641] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "MM7",
    "water_depth": 224,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0025",
    "depth": 50.0,
    "PO4": 1.5,
    "SiOH4": 21.6,
    "NO3_NO2": 16.15,
    "NO2": 0.14,
    "NH4": 1.03,
    "NO3": 16.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7564, 59.0641] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "MM7",
    "water_depth": 224,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0025",
    "depth": 75.0,
    "PO4": 1.46,
    "SiOH4": 19.7,
    "NO3_NO2": 16.87,
    "NO2": 0.17,
    "NH4": 0.07,
    "NO3": 16.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7564, 59.0641] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "MM7",
    "water_depth": 224,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0025",
    "depth": 100.0,
    "PO4": 1.6,
    "SiOH4": 21.48,
    "NO3_NO2": 20.82,
    "NO2": 0.07,
    "NH4": 0.01,
    "NO3": 20.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7564, 59.0641] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "MM7",
    "water_depth": 224,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0025",
    "depth": 125.0,
    "PO4": 1.78,
    "SiOH4": 25.44,
    "NO3_NO2": 23.86,
    "NO2": 0.04,
    "NH4": 0.01,
    "NO3": 23.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7564, 59.0641] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "MM7",
    "water_depth": 224,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0025",
    "depth": 150.0,
    "PO4": 2.3,
    "SiOH4": 39.29,
    "NO3_NO2": 33.97,
    "NO2": 0.03,
    "NH4": 0.01,
    "NO3": 33.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7564, 59.0641] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "MM7",
    "water_depth": 224,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0025",
    "depth": 175.0,
    "PO4": 2.75,
    "SiOH4": null,
    "NO3_NO2": 42.96,
    "NO2": 0.02,
    "NH4": 0.01,
    "NO3": 42.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.7564, 59.0641] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 72,
    "stn_id": "MM7",
    "water_depth": 224,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0025",
    "depth": 223.0,
    "PO4": 2.9,
    "SiOH4": null,
    "NO3_NO2": 47.71,
    "NO2": 0.02,
    "NH4": 0.01,
    "NO3": 47.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.6311, 59.1207] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 73,
    "stn_id": "MM6",
    "water_depth": 205,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0121",
    "depth": 0.0,
    "PO4": 0.39,
    "SiOH4": 1.44,
    "NO3_NO2": 0.05,
    "NO2": 0.04,
    "NH4": 0.01,
    "NO3": 0.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.6311, 59.1207] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 73,
    "stn_id": "MM6",
    "water_depth": 205,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0121",
    "depth": 10.0,
    "PO4": 0.51,
    "SiOH4": 9.66,
    "NO3_NO2": 0.38,
    "NO2": 0.05,
    "NH4": 0.07,
    "NO3": 0.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.6311, 59.1207] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 73,
    "stn_id": "MM6",
    "water_depth": 205,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0121",
    "depth": 20.0,
    "PO4": 1.31,
    "SiOH4": 19.63,
    "NO3_NO2": 14.2,
    "NO2": 0.14,
    "NH4": 1.13,
    "NO3": 14.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.6311, 59.1207] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 73,
    "stn_id": "MM6",
    "water_depth": 205,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0121",
    "depth": 30.0,
    "PO4": 1.53,
    "SiOH4": 22.84,
    "NO3_NO2": 18.43,
    "NO2": 0.15,
    "NH4": 1.11,
    "NO3": 18.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.6311, 59.1207] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 73,
    "stn_id": "MM6",
    "water_depth": 205,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0121",
    "depth": 40.0,
    "PO4": 1.6,
    "SiOH4": 23.52,
    "NO3_NO2": 19.67,
    "NO2": 0.16,
    "NH4": 0.83,
    "NO3": 19.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.6311, 59.1207] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 73,
    "stn_id": "MM6",
    "water_depth": 205,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0121",
    "depth": 50.0,
    "PO4": 1.61,
    "SiOH4": 23.79,
    "NO3_NO2": 20.11,
    "NO2": 0.14,
    "NH4": 0.51,
    "NO3": 19.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.6311, 59.1207] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 73,
    "stn_id": "MM6",
    "water_depth": 205,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0121",
    "depth": 75.0,
    "PO4": 1.59,
    "SiOH4": 22.4,
    "NO3_NO2": 20.49,
    "NO2": 0.07,
    "NH4": 0.01,
    "NO3": 20.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.6311, 59.1207] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 73,
    "stn_id": "MM6",
    "water_depth": 205,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0121",
    "depth": 100.0,
    "PO4": 1.69,
    "SiOH4": 24.28,
    "NO3_NO2": 22.01,
    "NO2": 0.04,
    "NH4": 0.01,
    "NO3": 21.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.6311, 59.1207] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 73,
    "stn_id": "MM6",
    "water_depth": 205,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0121",
    "depth": 125.0,
    "PO4": 1.78,
    "SiOH4": 24.63,
    "NO3_NO2": 22.38,
    "NO2": 0.09,
    "NH4": 0.01,
    "NO3": 22.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.6311, 59.1207] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 73,
    "stn_id": "MM6",
    "water_depth": 205,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0121",
    "depth": 150.0,
    "PO4": 1.97,
    "SiOH4": 28.47,
    "NO3_NO2": 25.05,
    "NO2": 0.11,
    "NH4": 0.05,
    "NO3": 24.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.6311, 59.1207] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 73,
    "stn_id": "MM6",
    "water_depth": 205,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0121",
    "depth": 175.0,
    "PO4": 2.69,
    "SiOH4": null,
    "NO3_NO2": 36.53,
    "NO2": 0.06,
    "NH4": 0.01,
    "NO3": 36.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.6311, 59.1207] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 73,
    "stn_id": "MM6",
    "water_depth": 205,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0121",
    "depth": 207.0,
    "PO4": 2.97,
    "SiOH4": null,
    "NO3_NO2": 39.06,
    "NO2": 0.07,
    "NH4": 0.01,
    "NO3": 38.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4911, 59.1906] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 74,
    "stn_id": "MM5",
    "water_depth": 128,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0223",
    "depth": 0.0,
    "PO4": 0.15,
    "SiOH4": 1.23,
    "NO3_NO2": 0.39,
    "NO2": 0.01,
    "NH4": 0.01,
    "NO3": 0.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4911, 59.1906] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 74,
    "stn_id": "MM5",
    "water_depth": 128,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0223",
    "depth": 10.0,
    "PO4": 0.49,
    "SiOH4": 10.55,
    "NO3_NO2": 1.26,
    "NO2": 0.02,
    "NH4": 0.01,
    "NO3": 1.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4911, 59.1906] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 74,
    "stn_id": "MM5",
    "water_depth": 128,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0223",
    "depth": 20.0,
    "PO4": 0.88,
    "SiOH4": 14.69,
    "NO3_NO2": 5.97,
    "NO2": 0.08,
    "NH4": 0.15,
    "NO3": 5.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4911, 59.1906] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 74,
    "stn_id": "MM5",
    "water_depth": 128,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0223",
    "depth": 30.0,
    "PO4": 1.47,
    "SiOH4": 21.55,
    "NO3_NO2": 14.4,
    "NO2": 0.15,
    "NH4": 1.46,
    "NO3": 14.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4911, 59.1906] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 74,
    "stn_id": "MM5",
    "water_depth": 128,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0223",
    "depth": 50.0,
    "PO4": 1.63,
    "SiOH4": 23.64,
    "NO3_NO2": 18.38,
    "NO2": 0.15,
    "NH4": 0.06,
    "NO3": 18.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4911, 59.1906] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 74,
    "stn_id": "MM5",
    "water_depth": 128,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0223",
    "depth": 75.0,
    "PO4": 1.72,
    "SiOH4": 24.22,
    "NO3_NO2": 19.63,
    "NO2": 0.02,
    "NH4": 0.01,
    "NO3": 19.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4911, 59.1906] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 74,
    "stn_id": "MM5",
    "water_depth": 128,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0223",
    "depth": 100.0,
    "PO4": 1.87,
    "SiOH4": 26.64,
    "NO3_NO2": 21.14,
    "NO2": 0.07,
    "NH4": 0.01,
    "NO3": 21.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.4911, 59.1906] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 74,
    "stn_id": "MM5",
    "water_depth": 128,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0223",
    "depth": 141.0,
    "PO4": 1.91,
    "SiOH4": 28.27,
    "NO3_NO2": 21.94,
    "NO2": 0.08,
    "NH4": 0.01,
    "NO3": 21.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3963, 59.2373] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 75,
    "stn_id": "MM4",
    "water_depth": 144,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0303",
    "depth": 0.0,
    "PO4": 0.57,
    "SiOH4": 7.76,
    "NO3_NO2": 0.1,
    "NO2": 0.04,
    "NH4": 0.03,
    "NO3": 0.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3963, 59.2373] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 75,
    "stn_id": "MM4",
    "water_depth": 144,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0303",
    "depth": 10.0,
    "PO4": 0.96,
    "SiOH4": 13.31,
    "NO3_NO2": 1.93,
    "NO2": 0.09,
    "NH4": 0.17,
    "NO3": 1.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3963, 59.2373] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 75,
    "stn_id": "MM4",
    "water_depth": 144,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0303",
    "depth": 20.0,
    "PO4": 1.36,
    "SiOH4": 16.58,
    "NO3_NO2": 9.65,
    "NO2": 0.16,
    "NH4": 0.91,
    "NO3": 9.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3963, 59.2373] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 75,
    "stn_id": "MM4",
    "water_depth": 144,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0303",
    "depth": 30.0,
    "PO4": 1.44,
    "SiOH4": 17.37,
    "NO3_NO2": 11.98,
    "NO2": 0.17,
    "NH4": 0.83,
    "NO3": 11.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3963, 59.2373] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 75,
    "stn_id": "MM4",
    "water_depth": 144,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0303",
    "depth": 40.0,
    "PO4": 1.5,
    "SiOH4": 17.6,
    "NO3_NO2": 14.06,
    "NO2": 0.14,
    "NH4": 0.19,
    "NO3": 13.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3963, 59.2373] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 75,
    "stn_id": "MM4",
    "water_depth": 144,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0303",
    "depth": 50.0,
    "PO4": 1.59,
    "SiOH4": 19.58,
    "NO3_NO2": 16.3,
    "NO2": 0.09,
    "NH4": 0.01,
    "NO3": 16.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3963, 59.2373] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 75,
    "stn_id": "MM4",
    "water_depth": 144,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0303",
    "depth": 75.0,
    "PO4": 1.65,
    "SiOH4": 20.14,
    "NO3_NO2": 17.89,
    "NO2": 0.03,
    "NH4": 0.01,
    "NO3": 17.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3963, 59.2373] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 75,
    "stn_id": "MM4",
    "water_depth": 144,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0303",
    "depth": 100.0,
    "PO4": 1.86,
    "SiOH4": 24.08,
    "NO3_NO2": 21.74,
    "NO2": 0.04,
    "NH4": 0.02,
    "NO3": 21.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.3963, 59.2373] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 75,
    "stn_id": "MM4",
    "water_depth": 144,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0303",
    "depth": 141.0,
    "PO4": 2.05,
    "SiOH4": 28.02,
    "NO3_NO2": 25.5,
    "NO2": 0.06,
    "NH4": 0.03,
    "NO3": 25.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2796, 59.2927] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "MM3",
    "water_depth": 150,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0350",
    "depth": 0.0,
    "PO4": 0.28,
    "SiOH4": 8.19,
    "NO3_NO2": 0.05,
    "NO2": 0.0,
    "NH4": 0.01,
    "NO3": 0.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2796, 59.2927] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "MM3",
    "water_depth": 150,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0350",
    "depth": 10.0,
    "PO4": 0.43,
    "SiOH4": 10.05,
    "NO3_NO2": 0.25,
    "NO2": 0.01,
    "NH4": 0.01,
    "NO3": 0.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2796, 59.2927] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "MM3",
    "water_depth": 150,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0350",
    "depth": 20.0,
    "PO4": 1.15,
    "SiOH4": 14.74,
    "NO3_NO2": 7.96,
    "NO2": 0.07,
    "NH4": 1.0,
    "NO3": 7.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2796, 59.2927] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "MM3",
    "water_depth": 150,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0350",
    "depth": 30.0,
    "PO4": 1.31,
    "SiOH4": 15.53,
    "NO3_NO2": 11.53,
    "NO2": 0.15,
    "NH4": 0.82,
    "NO3": 11.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2796, 59.2927] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "MM3",
    "water_depth": 150,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0350",
    "depth": 40.0,
    "PO4": 1.3,
    "SiOH4": 15.64,
    "NO3_NO2": 13.03,
    "NO2": 0.22,
    "NH4": 0.55,
    "NO3": 12.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2796, 59.2927] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "MM3",
    "water_depth": 150,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0350",
    "depth": 50.0,
    "PO4": 1.35,
    "SiOH4": 16.21,
    "NO3_NO2": 13.7,
    "NO2": 0.2,
    "NH4": 0.37,
    "NO3": 13.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2796, 59.2927] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "MM3",
    "water_depth": 150,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0350",
    "depth": 75.0,
    "PO4": 1.52,
    "SiOH4": 18.76,
    "NO3_NO2": 17.99,
    "NO2": 0.07,
    "NH4": 0.01,
    "NO3": 17.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2796, 59.2927] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "MM3",
    "water_depth": 150,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0350",
    "depth": 100.0,
    "PO4": 1.72,
    "SiOH4": 23.0,
    "NO3_NO2": 22.23,
    "NO2": 0.0,
    "NH4": 0.01,
    "NO3": 22.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.2796, 59.2927] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 76,
    "stn_id": "MM3",
    "water_depth": 150,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0350",
    "depth": 146.0,
    "PO4": 2.06,
    "SiOH4": 32.01,
    "NO3_NO2": 28.07,
    "NO2": 0.05,
    "NH4": 0.04,
    "NO3": 28.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1617, 59.3504] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 77,
    "stn_id": "MM2",
    "water_depth": 195,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0437",
    "depth": 0.0,
    "PO4": 0.54,
    "SiOH4": 10.05,
    "NO3_NO2": 0.31,
    "NO2": 0.08,
    "NH4": 0.14,
    "NO3": 0.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1617, 59.3504] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 77,
    "stn_id": "MM2",
    "water_depth": 195,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0437",
    "depth": 10.0,
    "PO4": 0.51,
    "SiOH4": 11.3,
    "NO3_NO2": 0.93,
    "NO2": 0.08,
    "NH4": 0.14,
    "NO3": 0.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1617, 59.3504] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 77,
    "stn_id": "MM2",
    "water_depth": 195,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0437",
    "depth": 20.0,
    "PO4": 1.06,
    "SiOH4": 15.72,
    "NO3_NO2": 10.25,
    "NO2": 0.24,
    "NH4": 1.04,
    "NO3": 10.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1617, 59.3504] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 77,
    "stn_id": "MM2",
    "water_depth": 195,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0437",
    "depth": 30.0,
    "PO4": 1.25,
    "SiOH4": 16.52,
    "NO3_NO2": 13.53,
    "NO2": 0.34,
    "NH4": 1.08,
    "NO3": 13.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1617, 59.3504] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 77,
    "stn_id": "MM2",
    "water_depth": 195,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0437",
    "depth": 40.0,
    "PO4": 1.4,
    "SiOH4": 18.3,
    "NO3_NO2": 18.26,
    "NO2": 0.31,
    "NH4": 0.32,
    "NO3": 17.95 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1617, 59.3504] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 77,
    "stn_id": "MM2",
    "water_depth": 195,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0437",
    "depth": 50.0,
    "PO4": 1.54,
    "SiOH4": 18.52,
    "NO3_NO2": 19.53,
    "NO2": 0.18,
    "NH4": 0.11,
    "NO3": 19.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1617, 59.3504] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 77,
    "stn_id": "MM2",
    "water_depth": 195,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0437",
    "depth": 75.0,
    "PO4": 1.6,
    "SiOH4": 18.59,
    "NO3_NO2": 20.08,
    "NO2": 0.34,
    "NH4": 0.11,
    "NO3": 19.74 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1617, 59.3504] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 77,
    "stn_id": "MM2",
    "water_depth": 195,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0437",
    "depth": 100.0,
    "PO4": 1.71,
    "SiOH4": 21.64,
    "NO3_NO2": 23.52,
    "NO2": 0.15,
    "NH4": 0.07,
    "NO3": 23.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1617, 59.3504] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 77,
    "stn_id": "MM2",
    "water_depth": 195,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0437",
    "depth": 125.0,
    "PO4": 2.07,
    "SiOH4": 24.6,
    "NO3_NO2": 29.94,
    "NO2": 0.18,
    "NH4": 0.07,
    "NO3": 29.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1617, 59.3504] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 77,
    "stn_id": "MM2",
    "water_depth": 195,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0437",
    "depth": 150.0,
    "PO4": 2.27,
    "SiOH4": 34.06,
    "NO3_NO2": 32.74,
    "NO2": 0.18,
    "NH4": 0.07,
    "NO3": 32.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.1617, 59.3504] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 77,
    "stn_id": "MM2",
    "water_depth": 195,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0437",
    "depth": 191.0,
    "PO4": 2.39,
    "SiOH4": 37.46,
    "NO3_NO2": 34.9,
    "NO2": 0.28,
    "NH4": 0.07,
    "NO3": 34.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0518, 59.4073] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "MM1",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0554",
    "depth": 0.0,
    "PO4": 0.36,
    "SiOH4": 9.09,
    "NO3_NO2": 0.05,
    "NO2": 0.09,
    "NH4": 0.18,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0518, 59.4073] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "MM1",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0554",
    "depth": 10.0,
    "PO4": 0.38,
    "SiOH4": 9.26,
    "NO3_NO2": 0.35,
    "NO2": 0.12,
    "NH4": 0.36,
    "NO3": 0.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0518, 59.4073] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "MM1",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0554",
    "depth": 20.0,
    "PO4": 1.21,
    "SiOH4": 17.4,
    "NO3_NO2": 13.37,
    "NO2": 0.36,
    "NH4": 1.04,
    "NO3": 13.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0518, 59.4073] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "MM1",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0554",
    "depth": 30.0,
    "PO4": 1.37,
    "SiOH4": 18.01,
    "NO3_NO2": 15.21,
    "NO2": 0.38,
    "NH4": 1.04,
    "NO3": 14.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0518, 59.4073] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "MM1",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0554",
    "depth": 40.0,
    "PO4": 1.41,
    "SiOH4": 19.2,
    "NO3_NO2": 17.12,
    "NO2": 0.41,
    "NH4": 1.11,
    "NO3": 16.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0518, 59.4073] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "MM1",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0554",
    "depth": 50.0,
    "PO4": 1.45,
    "SiOH4": 19.22,
    "NO3_NO2": 17.35,
    "NO2": 0.41,
    "NH4": 0.86,
    "NO3": 16.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0518, 59.4073] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "MM1",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0554",
    "depth": 75.0,
    "PO4": 1.5,
    "SiOH4": 18.46,
    "NO3_NO2": 18.7,
    "NO2": 0.43,
    "NH4": 0.32,
    "NO3": 18.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0518, 59.4073] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "MM1",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0554",
    "depth": 100.0,
    "PO4": 1.63,
    "SiOH4": 21.86,
    "NO3_NO2": 23.02,
    "NO2": 0.17,
    "NH4": 0.04,
    "NO3": 22.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0518, 59.4073] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "MM1",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0554",
    "depth": 125.0,
    "PO4": 1.78,
    "SiOH4": 23.25,
    "NO3_NO2": 24.46,
    "NO2": 0.16,
    "NH4": 0.04,
    "NO3": 24.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0518, 59.4073] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "MM1",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0554",
    "depth": 150.0,
    "PO4": 2.02,
    "SiOH4": 27.57,
    "NO3_NO2": 27.98,
    "NO2": 0.16,
    "NH4": 0.04,
    "NO3": 27.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0518, 59.4073] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "MM1",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0554",
    "depth": 175.0,
    "PO4": 2.26,
    "SiOH4": 34.2,
    "NO3_NO2": 32.63,
    "NO2": 0.27,
    "NH4": 0.04,
    "NO3": 32.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-149.0518, 59.4073] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 78,
    "stn_id": "MM1",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "0554",
    "depth": 200.0,
    "PO4": 2.61,
    "SiOH4": null,
    "NO3_NO2": 38.73,
    "NO2": 0.19,
    "NH4": 0.14,
    "NO3": 38.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9882, 60.2776] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 79,
    "stn_id": "KIP2",
    "water_depth": 570,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "1801",
    "depth": 0.0,
    "PO4": 0.0,
    "SiOH4": 0.66,
    "NO3_NO2": 0.05,
    "NO2": 0.03,
    "NH4": 0.09,
    "NO3": 0.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9882, 60.2776] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 79,
    "stn_id": "KIP2",
    "water_depth": 570,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "1801",
    "depth": 4.0,
    "PO4": 0.0,
    "SiOH4": 1.15,
    "NO3_NO2": 0.05,
    "NO2": 0.03,
    "NH4": 0.2,
    "NO3": 0.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9882, 60.2776] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 79,
    "stn_id": "KIP2",
    "water_depth": 570,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "1801",
    "depth": 7.0,
    "PO4": 0.0,
    "SiOH4": 1.97,
    "NO3_NO2": 0.05,
    "NO2": 0.03,
    "NH4": 0.23,
    "NO3": 0.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9882, 60.2776] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 79,
    "stn_id": "KIP2",
    "water_depth": 570,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "1801",
    "depth": 13.0,
    "PO4": 0.42,
    "SiOH4": 5.43,
    "NO3_NO2": 1.08,
    "NO2": 0.2,
    "NH4": 0.14,
    "NO3": 0.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9882, 60.2776] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 79,
    "stn_id": "KIP2",
    "water_depth": 570,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "1801",
    "depth": 18.0,
    "PO4": 0.75,
    "SiOH4": 8.84,
    "NO3_NO2": 5.95,
    "NO2": 0.23,
    "NH4": 0.21,
    "NO3": 5.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9882, 60.2776] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 79,
    "stn_id": "KIP2",
    "water_depth": 570,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "1801",
    "depth": 28.0,
    "PO4": 1.26,
    "SiOH4": 15.8,
    "NO3_NO2": 13.77,
    "NO2": 0.34,
    "NH4": 1.14,
    "NO3": 13.43 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9856, 60.2773] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 80,
    "stn_id": "KIP2",
    "water_depth": 570,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "1827",
    "depth": 0.0,
    "PO4": 0.22,
    "SiOH4": 1.26,
    "NO3_NO2": 0.6,
    "NO2": 0.14,
    "NH4": 0.11,
    "NO3": 0.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9856, 60.2773] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 80,
    "stn_id": "KIP2",
    "water_depth": 570,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "1827",
    "depth": 10.0,
    "PO4": 0.64,
    "SiOH4": 6.96,
    "NO3_NO2": 5.33,
    "NO2": 0.23,
    "NH4": 0.29,
    "NO3": 5.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9856, 60.2773] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 80,
    "stn_id": "KIP2",
    "water_depth": 570,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "1827",
    "depth": 20.0,
    "PO4": 1.31,
    "SiOH4": 15.63,
    "NO3_NO2": 15.25,
    "NO2": 0.31,
    "NH4": 0.85,
    "NO3": 14.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9856, 60.2773] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 80,
    "stn_id": "KIP2",
    "water_depth": 570,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "1827",
    "depth": 30.0,
    "PO4": 1.51,
    "SiOH4": 18.94,
    "NO3_NO2": 19.09,
    "NO2": 0.34,
    "NH4": 0.93,
    "NO3": 18.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9856, 60.2773] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 80,
    "stn_id": "KIP2",
    "water_depth": 570,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "1827",
    "depth": 40.0,
    "PO4": 1.64,
    "SiOH4": 21.8,
    "NO3_NO2": 22.13,
    "NO2": 0.31,
    "NH4": 0.53,
    "NO3": 21.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9856, 60.2773] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 80,
    "stn_id": "KIP2",
    "water_depth": 570,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "1827",
    "depth": 50.0,
    "PO4": 1.76,
    "SiOH4": 23.88,
    "NO3_NO2": 24.13,
    "NO2": 0.28,
    "NH4": 0.16,
    "NO3": 23.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9856, 60.2773] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 80,
    "stn_id": "KIP2",
    "water_depth": 570,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "1827",
    "depth": 100.0,
    "PO4": 1.92,
    "SiOH4": 29.26,
    "NO3_NO2": 27.63,
    "NO2": 0.08,
    "NH4": 0.08,
    "NO3": 27.55 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9856, 60.2773] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 80,
    "stn_id": "KIP2",
    "water_depth": 570,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "1827",
    "depth": 150.0,
    "PO4": 1.98,
    "SiOH4": 30.73,
    "NO3_NO2": 28.05,
    "NO2": 0.06,
    "NH4": 0.01,
    "NO3": 27.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9856, 60.2773] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 80,
    "stn_id": "KIP2",
    "water_depth": 570,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "1827",
    "depth": 250.0,
    "PO4": 2.04,
    "SiOH4": 35.08,
    "NO3_NO2": 30.27,
    "NO2": 0.03,
    "NH4": 0.02,
    "NO3": 30.24 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9856, 60.2773] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 80,
    "stn_id": "KIP2",
    "water_depth": 570,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "1827",
    "depth": 400.0,
    "PO4": 2.2,
    "SiOH4": 34.55,
    "NO3_NO2": 30.51,
    "NO2": 0.06,
    "NH4": 0.04,
    "NO3": 30.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9856, 60.2773] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 80,
    "stn_id": "KIP2",
    "water_depth": 570,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "1827",
    "depth": 500.0,
    "PO4": 2.2,
    "SiOH4": 33.07,
    "NO3_NO2": 31.02,
    "NO2": 0.06,
    "NH4": 0.01,
    "NO3": 30.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9856, 60.2773] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 80,
    "stn_id": "KIP2",
    "water_depth": 570,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "1827",
    "depth": 586.0,
    "PO4": 2.2,
    "SiOH4": 35.31,
    "NO3_NO2": 30.96,
    "NO2": 0.08,
    "NH4": 0.01,
    "NO3": 30.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9379, 60.3796] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "PWS1",
    "water_depth": 348,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "1942",
    "depth": 0.0,
    "PO4": 0.05,
    "SiOH4": 0.45,
    "NO3_NO2": 0.1,
    "NO2": 0.05,
    "NH4": 0.1,
    "NO3": 0.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9379, 60.3796] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "PWS1",
    "water_depth": 348,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "1942",
    "depth": 10.0,
    "PO4": 0.18,
    "SiOH4": 3.1,
    "NO3_NO2": 0.06,
    "NO2": 0.12,
    "NH4": 0.01,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9379, 60.3796] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "PWS1",
    "water_depth": 348,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "1942",
    "depth": 20.0,
    "PO4": 0.8,
    "SiOH4": 9.21,
    "NO3_NO2": 7.63,
    "NO2": 0.19,
    "NH4": 0.43,
    "NO3": 7.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9379, 60.3796] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "PWS1",
    "water_depth": 348,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "1942",
    "depth": 30.0,
    "PO4": 1.35,
    "SiOH4": 17.35,
    "NO3_NO2": 14.92,
    "NO2": 0.1,
    "NH4": 0.96,
    "NO3": 14.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9379, 60.3796] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "PWS1",
    "water_depth": 348,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "1942",
    "depth": 40.0,
    "PO4": 1.67,
    "SiOH4": 22.48,
    "NO3_NO2": 20.43,
    "NO2": 0.24,
    "NH4": 0.75,
    "NO3": 20.19 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9379, 60.3796] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "PWS1",
    "water_depth": 348,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "1942",
    "depth": 50.0,
    "PO4": 1.88,
    "SiOH4": 26.67,
    "NO3_NO2": 24.64,
    "NO2": 0.19,
    "NH4": 0.04,
    "NO3": 24.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9379, 60.3796] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "PWS1",
    "water_depth": 348,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "1942",
    "depth": 75.0,
    "PO4": 2.13,
    "SiOH4": 30.51,
    "NO3_NO2": 27.53,
    "NO2": 0.05,
    "NH4": 0.22,
    "NO3": 27.48 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9379, 60.3796] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "PWS1",
    "water_depth": 348,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "1942",
    "depth": 100.0,
    "PO4": 2.14,
    "SiOH4": 30.98,
    "NO3_NO2": 27.72,
    "NO2": 0.05,
    "NH4": 0.17,
    "NO3": 27.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9379, 60.3796] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "PWS1",
    "water_depth": 348,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "1942",
    "depth": 150.0,
    "PO4": 2.15,
    "SiOH4": 30.94,
    "NO3_NO2": 27.98,
    "NO2": 0.07,
    "NH4": 0.16,
    "NO3": 27.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9379, 60.3796] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "PWS1",
    "water_depth": 348,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "1942",
    "depth": 200.0,
    "PO4": 2.18,
    "SiOH4": 31.68,
    "NO3_NO2": 28.37,
    "NO2": 0.07,
    "NH4": 0.18,
    "NO3": 28.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9379, 60.3796] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "PWS1",
    "water_depth": 348,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "1942",
    "depth": 250.0,
    "PO4": 2.2,
    "SiOH4": 32.31,
    "NO3_NO2": 29.22,
    "NO2": 0.07,
    "NH4": 0.13,
    "NO3": 29.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9379, 60.3796] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 81,
    "stn_id": "PWS1",
    "water_depth": 348,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "1942",
    "depth": 347.0,
    "PO4": 2.43,
    "SiOH4": 36.84,
    "NO3_NO2": 32.14,
    "NO2": 0.07,
    "NH4": 0.12,
    "NO3": 32.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.805, 60.5352] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "PWS2",
    "water_depth": 735,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "2120",
    "depth": 0.0,
    "PO4": 0.1,
    "SiOH4": 0.47,
    "NO3_NO2": 0.05,
    "NO2": 0.02,
    "NH4": 0.06,
    "NO3": 0.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.805, 60.5352] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "PWS2",
    "water_depth": 735,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "2120",
    "depth": 10.0,
    "PO4": 0.15,
    "SiOH4": 2.81,
    "NO3_NO2": 0.1,
    "NO2": 0.02,
    "NH4": 0.01,
    "NO3": 0.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.805, 60.5352] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "PWS2",
    "water_depth": 735,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "2120",
    "depth": 20.0,
    "PO4": 0.69,
    "SiOH4": 12.81,
    "NO3_NO2": 7.79,
    "NO2": 0.19,
    "NH4": 0.19,
    "NO3": 7.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.805, 60.5352] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "PWS2",
    "water_depth": 735,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "2120",
    "depth": 30.0,
    "PO4": 1.23,
    "SiOH4": 20.56,
    "NO3_NO2": 17.6,
    "NO2": 0.24,
    "NH4": 0.61,
    "NO3": 17.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.805, 60.5352] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "PWS2",
    "water_depth": 735,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "2120",
    "depth": 40.0,
    "PO4": 1.47,
    "SiOH4": 21.75,
    "NO3_NO2": 21.07,
    "NO2": 0.29,
    "NH4": 0.79,
    "NO3": 20.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.805, 60.5352] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "PWS2",
    "water_depth": 735,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "2120",
    "depth": 50.0,
    "PO4": 1.63,
    "SiOH4": 24.18,
    "NO3_NO2": 24.42,
    "NO2": 0.26,
    "NH4": 0.31,
    "NO3": 24.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.805, 60.5352] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "PWS2",
    "water_depth": 735,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "2120",
    "depth": 100.0,
    "PO4": 1.83,
    "SiOH4": 29.3,
    "NO3_NO2": 28.33,
    "NO2": 0.19,
    "NH4": 0.03,
    "NO3": 28.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.805, 60.5352] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "PWS2",
    "water_depth": 735,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "2120",
    "depth": 200.0,
    "PO4": 1.89,
    "SiOH4": 29.77,
    "NO3_NO2": 28.77,
    "NO2": 0.02,
    "NH4": 0.01,
    "NO3": 28.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.805, 60.5352] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "PWS2",
    "water_depth": 735,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "2120",
    "depth": 300.0,
    "PO4": 2.14,
    "SiOH4": 35.11,
    "NO3_NO2": 32.83,
    "NO2": 0.02,
    "NH4": 0.0,
    "NO3": 32.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.805, 60.5352] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "PWS2",
    "water_depth": 735,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "2120",
    "depth": 400.0,
    "PO4": 2.41,
    "SiOH4": 40.7,
    "NO3_NO2": 36.62,
    "NO2": 0.02,
    "NH4": 0.06,
    "NO3": 36.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.805, 60.5352] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "PWS2",
    "water_depth": 735,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "2120",
    "depth": 500.0,
    "PO4": 2.5,
    "SiOH4": null,
    "NO3_NO2": 38.35,
    "NO2": 0.02,
    "NH4": 0.09,
    "NO3": 38.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.805, 60.5352] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "PWS2",
    "water_depth": 735,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "2120",
    "depth": 600.0,
    "PO4": 2.54,
    "SiOH4": null,
    "NO3_NO2": 39.18,
    "NO2": 0.07,
    "NH4": 0.04,
    "NO3": 39.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.805, 60.5352] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 82,
    "stn_id": "PWS2",
    "water_depth": 735,
    "month_gmt": "07",
    "day_gmt": "04",
    "time_gmt": "2120",
    "depth": 736.0,
    "PO4": 2.75,
    "SiOH4": null,
    "NO3_NO2": 39.61,
    "NO2": 0.07,
    "NH4": 0.06,
    "NO3": 39.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6764, 60.6553] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 89,
    "stn_id": "PWS3",
    "water_depth": 754,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "0044",
    "depth": 0.0,
    "PO4": 0.19,
    "SiOH4": 0.26,
    "NO3_NO2": 0.1,
    "NO2": 0.0,
    "NH4": 0.01,
    "NO3": 0.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6764, 60.6553] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 89,
    "stn_id": "PWS3",
    "water_depth": 754,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "0044",
    "depth": 10.0,
    "PO4": 0.23,
    "SiOH4": 0.67,
    "NO3_NO2": 0.1,
    "NO2": 0.0,
    "NH4": 0.01,
    "NO3": 0.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6764, 60.6553] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 89,
    "stn_id": "PWS3",
    "water_depth": 754,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "0044",
    "depth": 20.0,
    "PO4": 0.5,
    "SiOH4": 3.94,
    "NO3_NO2": 0.25,
    "NO2": 0.05,
    "NH4": 0.02,
    "NO3": 0.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6764, 60.6553] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 89,
    "stn_id": "PWS3",
    "water_depth": 754,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "0044",
    "depth": 30.0,
    "PO4": 1.57,
    "SiOH4": 18.56,
    "NO3_NO2": 18.25,
    "NO2": 0.33,
    "NH4": 0.52,
    "NO3": 17.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6764, 60.6553] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 89,
    "stn_id": "PWS3",
    "water_depth": 754,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "0044",
    "depth": 40.0,
    "PO4": 1.91,
    "SiOH4": 24.28,
    "NO3_NO2": 24.81,
    "NO2": 0.27,
    "NH4": 0.01,
    "NO3": 24.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6764, 60.6553] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 89,
    "stn_id": "PWS3",
    "water_depth": 754,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "0044",
    "depth": 50.0,
    "PO4": 1.98,
    "SiOH4": 27.05,
    "NO3_NO2": 27.17,
    "NO2": 0.06,
    "NH4": 0.01,
    "NO3": 27.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6764, 60.6553] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 89,
    "stn_id": "PWS3",
    "water_depth": 754,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "0044",
    "depth": 100.0,
    "PO4": 2.03,
    "SiOH4": 29.89,
    "NO3_NO2": 28.46,
    "NO2": 0.09,
    "NH4": 0.01,
    "NO3": 28.37 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6764, 60.6553] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 89,
    "stn_id": "PWS3",
    "water_depth": 754,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "0044",
    "depth": 200.0,
    "PO4": 2.02,
    "SiOH4": 29.23,
    "NO3_NO2": 28.31,
    "NO2": 0.09,
    "NH4": 0.01,
    "NO3": 28.22 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6764, 60.6553] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 89,
    "stn_id": "PWS3",
    "water_depth": 754,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "0044",
    "depth": 300.0,
    "PO4": 2.2,
    "SiOH4": 32.79,
    "NO3_NO2": 31.81,
    "NO2": 0.13,
    "NH4": 0.04,
    "NO3": 31.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6764, 60.6553] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 89,
    "stn_id": "PWS3",
    "water_depth": 754,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "0044",
    "depth": 400.0,
    "PO4": 2.48,
    "SiOH4": 39.99,
    "NO3_NO2": 36.73,
    "NO2": 0.16,
    "NH4": 0.01,
    "NO3": 36.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6764, 60.6553] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 89,
    "stn_id": "PWS3",
    "water_depth": 754,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "0044",
    "depth": 500.0,
    "PO4": 2.6,
    "SiOH4": 44.19,
    "NO3_NO2": 40.26,
    "NO2": 0.16,
    "NH4": 0.02,
    "NO3": 40.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6764, 60.6553] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 89,
    "stn_id": "PWS3",
    "water_depth": 754,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "0044",
    "depth": 642.0,
    "PO4": 2.84,
    "SiOH4": null,
    "NO3_NO2": 41.7,
    "NO2": 0.2,
    "NH4": 0.01,
    "NO3": 41.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6996, 60.1937] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 90,
    "stn_id": "HB1",
    "water_depth": 248,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2120",
    "depth": 0.0,
    "PO4": 0.3,
    "SiOH4": 0.47,
    "NO3_NO2": 0.05,
    "NO2": 0.08,
    "NH4": 0.35,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6996, 60.1937] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 90,
    "stn_id": "HB1",
    "water_depth": 248,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2120",
    "depth": 10.0,
    "PO4": 0.54,
    "SiOH4": 3.32,
    "NO3_NO2": 0.1,
    "NO2": 0.11,
    "NH4": 0.42,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6996, 60.1937] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 90,
    "stn_id": "HB1",
    "water_depth": 248,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2120",
    "depth": 20.0,
    "PO4": 1.26,
    "SiOH4": 9.9,
    "NO3_NO2": 6.84,
    "NO2": 0.31,
    "NH4": 0.97,
    "NO3": 6.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6996, 60.1937] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 90,
    "stn_id": "HB1",
    "water_depth": 248,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2120",
    "depth": 30.0,
    "PO4": 1.46,
    "SiOH4": 14.12,
    "NO3_NO2": 9.95,
    "NO2": 0.45,
    "NH4": 2.14,
    "NO3": 9.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6996, 60.1937] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 90,
    "stn_id": "HB1",
    "water_depth": 248,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2120",
    "depth": 40.0,
    "PO4": 1.74,
    "SiOH4": 17.64,
    "NO3_NO2": 14.51,
    "NO2": 0.53,
    "NH4": 1.94,
    "NO3": 13.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6996, 60.1937] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 90,
    "stn_id": "HB1",
    "water_depth": 248,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2120",
    "depth": 50.0,
    "PO4": 1.88,
    "SiOH4": 20.56,
    "NO3_NO2": 18.59,
    "NO2": 0.47,
    "NH4": 0.54,
    "NO3": 18.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6996, 60.1937] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 90,
    "stn_id": "HB1",
    "water_depth": 248,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2120",
    "depth": 75.0,
    "PO4": 2.11,
    "SiOH4": 27.78,
    "NO3_NO2": 23.6,
    "NO2": 0.21,
    "NH4": 0.08,
    "NO3": 23.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6996, 60.1937] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 90,
    "stn_id": "HB1",
    "water_depth": 248,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2120",
    "depth": 100.0,
    "PO4": 2.19,
    "SiOH4": 29.87,
    "NO3_NO2": 24.58,
    "NO2": 0.16,
    "NH4": 0.12,
    "NO3": 24.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6996, 60.1937] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 90,
    "stn_id": "HB1",
    "water_depth": 248,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2120",
    "depth": 125.0,
    "PO4": 2.33,
    "SiOH4": 33.58,
    "NO3_NO2": 26.72,
    "NO2": 0.1,
    "NH4": 0.08,
    "NO3": 26.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6996, 60.1937] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 90,
    "stn_id": "HB1",
    "water_depth": 248,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2120",
    "depth": 150.0,
    "PO4": 2.47,
    "SiOH4": 35.61,
    "NO3_NO2": 29.02,
    "NO2": 0.15,
    "NH4": 0.16,
    "NO3": 28.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6996, 60.1937] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 90,
    "stn_id": "HB1",
    "water_depth": 248,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2120",
    "depth": 200.0,
    "PO4": 2.49,
    "SiOH4": 37.63,
    "NO3_NO2": 29.25,
    "NO2": 0.15,
    "NH4": 0.16,
    "NO3": 29.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6996, 60.1937] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 90,
    "stn_id": "HB1",
    "water_depth": 248,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2120",
    "depth": 243.0,
    "PO4": 2.53,
    "SiOH4": 38.14,
    "NO3_NO2": 29.25,
    "NO2": 0.18,
    "NH4": 0.19,
    "NO3": 29.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6422, 60.1795] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 92,
    "stn_id": "HB2",
    "water_depth": 175,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2224",
    "depth": 0.0,
    "PO4": 0.37,
    "SiOH4": 0.45,
    "NO3_NO2": 0.05,
    "NO2": 0.0,
    "NH4": 0.01,
    "NO3": 0.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6422, 60.1795] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 92,
    "stn_id": "HB2",
    "water_depth": 175,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2224",
    "depth": 10.0,
    "PO4": 0.44,
    "SiOH4": 2.41,
    "NO3_NO2": 0.05,
    "NO2": 0.0,
    "NH4": 0.01,
    "NO3": 0.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6422, 60.1795] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 92,
    "stn_id": "HB2",
    "water_depth": 175,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2224",
    "depth": 20.0,
    "PO4": 0.84,
    "SiOH4": 5.94,
    "NO3_NO2": 1.2,
    "NO2": 0.0,
    "NH4": 0.06,
    "NO3": 1.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6422, 60.1795] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 92,
    "stn_id": "HB2",
    "water_depth": 175,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2224",
    "depth": 40.0,
    "PO4": 1.58,
    "SiOH4": 15.87,
    "NO3_NO2": 11.87,
    "NO2": 0.36,
    "NH4": 2.19,
    "NO3": 11.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6422, 60.1795] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 92,
    "stn_id": "HB2",
    "water_depth": 175,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2224",
    "depth": 50.0,
    "PO4": 1.74,
    "SiOH4": 18.92,
    "NO3_NO2": 14.82,
    "NO2": 0.37,
    "NH4": 1.7,
    "NO3": 14.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6422, 60.1795] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 92,
    "stn_id": "HB2",
    "water_depth": 175,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2224",
    "depth": 75.0,
    "PO4": 2.16,
    "SiOH4": 30.58,
    "NO3_NO2": 24.67,
    "NO2": 0.14,
    "NH4": 0.01,
    "NO3": 24.53 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6422, 60.1795] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 92,
    "stn_id": "HB2",
    "water_depth": 175,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2224",
    "depth": 100.0,
    "PO4": 2.33,
    "SiOH4": 33.98,
    "NO3_NO2": 26.88,
    "NO2": 0.07,
    "NH4": 0.01,
    "NO3": 26.81 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6422, 60.1795] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 92,
    "stn_id": "HB2",
    "water_depth": 175,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2224",
    "depth": 150.0,
    "PO4": 2.37,
    "SiOH4": 35.86,
    "NO3_NO2": 28.04,
    "NO2": 0.0,
    "NH4": 0.01,
    "NO3": 28.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.6422, 60.1795] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 92,
    "stn_id": "HB2",
    "water_depth": 175,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2224",
    "depth": 171.0,
    "PO4": 2.36,
    "SiOH4": 36.3,
    "NO3_NO2": 28.32,
    "NO2": 0.0,
    "NH4": 0.01,
    "NO3": 28.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5859, 60.1658] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 93,
    "stn_id": "HB3",
    "water_depth": 84,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2254",
    "depth": 0.0,
    "PO4": 0.02,
    "SiOH4": 0.41,
    "NO3_NO2": 0.05,
    "NO2": 0.0,
    "NH4": 0.05,
    "NO3": 0.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5859, 60.1658] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 93,
    "stn_id": "HB3",
    "water_depth": 84,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2254",
    "depth": 10.0,
    "PO4": 0.39,
    "SiOH4": 3.76,
    "NO3_NO2": 0.1,
    "NO2": 0.0,
    "NH4": 0.1,
    "NO3": 0.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5859, 60.1658] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 93,
    "stn_id": "HB3",
    "water_depth": 84,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2254",
    "depth": 20.0,
    "PO4": 0.8,
    "SiOH4": 9.88,
    "NO3_NO2": 3.45,
    "NO2": 0.0,
    "NH4": 0.52,
    "NO3": 3.45 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5859, 60.1658] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 93,
    "stn_id": "HB3",
    "water_depth": 84,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2254",
    "depth": 30.0,
    "PO4": 0.98,
    "SiOH4": 12.63,
    "NO3_NO2": 6.75,
    "NO2": 0.07,
    "NH4": 1.23,
    "NO3": 6.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5859, 60.1658] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 93,
    "stn_id": "HB3",
    "water_depth": 84,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2254",
    "depth": 40.0,
    "PO4": 1.27,
    "SiOH4": 16.39,
    "NO3_NO2": 11.14,
    "NO2": 0.15,
    "NH4": 1.33,
    "NO3": 10.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5859, 60.1658] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 93,
    "stn_id": "HB3",
    "water_depth": 84,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2254",
    "depth": 50.0,
    "PO4": 1.7,
    "SiOH4": 22.54,
    "NO3_NO2": 17.28,
    "NO2": 0.12,
    "NH4": 0.75,
    "NO3": 17.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5859, 60.1658] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 93,
    "stn_id": "HB3",
    "water_depth": 84,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2254",
    "depth": 75.0,
    "PO4": 1.88,
    "SiOH4": 27.45,
    "NO3_NO2": 21.88,
    "NO2": 0.13,
    "NH4": 0.49,
    "NO3": 21.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5019, 60.146] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 94,
    "stn_id": "HB4",
    "water_depth": 110,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2323",
    "depth": 0.0,
    "PO4": 0.28,
    "SiOH4": 1.05,
    "NO3_NO2": 0.05,
    "NO2": 0.04,
    "NH4": 0.17,
    "NO3": 0.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5019, 60.146] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 94,
    "stn_id": "HB4",
    "water_depth": 110,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2323",
    "depth": 10.0,
    "PO4": 0.45,
    "SiOH4": 3.7,
    "NO3_NO2": 0.15,
    "NO2": 0.05,
    "NH4": 0.17,
    "NO3": 0.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5019, 60.146] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 94,
    "stn_id": "HB4",
    "water_depth": 110,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2323",
    "depth": 20.0,
    "PO4": 0.79,
    "SiOH4": 8.66,
    "NO3_NO2": 2.96,
    "NO2": 0.14,
    "NH4": 0.49,
    "NO3": 2.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5019, 60.146] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 94,
    "stn_id": "HB4",
    "water_depth": 110,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2323",
    "depth": 30.0,
    "PO4": 1.04,
    "SiOH4": 12.06,
    "NO3_NO2": 6.75,
    "NO2": 0.15,
    "NH4": 1.11,
    "NO3": 6.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5019, 60.146] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 94,
    "stn_id": "HB4",
    "water_depth": 110,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2323",
    "depth": 40.0,
    "PO4": 1.3,
    "SiOH4": 14.77,
    "NO3_NO2": 9.7,
    "NO2": 0.21,
    "NH4": 1.91,
    "NO3": 9.49 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5019, 60.146] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 94,
    "stn_id": "HB4",
    "water_depth": 110,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2323",
    "depth": 50.0,
    "PO4": 1.57,
    "SiOH4": 19.24,
    "NO3_NO2": 14.55,
    "NO2": 0.29,
    "NH4": 1.7,
    "NO3": 14.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5019, 60.146] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 94,
    "stn_id": "HB4",
    "water_depth": 110,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2323",
    "depth": 75.0,
    "PO4": 1.99,
    "SiOH4": 26.82,
    "NO3_NO2": 21.28,
    "NO2": 0.29,
    "NH4": 1.29,
    "NO3": 20.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.5019, 60.146] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 94,
    "stn_id": "HB4",
    "water_depth": 110,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2323",
    "depth": 100.0,
    "PO4": 2.26,
    "SiOH4": 34.15,
    "NO3_NO2": 27.12,
    "NO2": 0.3,
    "NH4": 0.38,
    "NO3": 26.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4492, 60.1328] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 95,
    "stn_id": "HB5",
    "water_depth": 40,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2348",
    "depth": 0.0,
    "PO4": 0.39,
    "SiOH4": 4.26,
    "NO3_NO2": 0.2,
    "NO2": 0.02,
    "NH4": 0.17,
    "NO3": 0.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4492, 60.1328] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 95,
    "stn_id": "HB5",
    "water_depth": 40,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2348",
    "depth": 10.0,
    "PO4": 0.86,
    "SiOH4": 10.44,
    "NO3_NO2": 5.18,
    "NO2": 0.12,
    "NH4": 0.7,
    "NO3": 5.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4492, 60.1328] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 95,
    "stn_id": "HB5",
    "water_depth": 40,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2348",
    "depth": 20.0,
    "PO4": 1.05,
    "SiOH4": 12.62,
    "NO3_NO2": 8.5,
    "NO2": 0.19,
    "NH4": 0.9,
    "NO3": 8.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4492, 60.1328] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 95,
    "stn_id": "HB5",
    "water_depth": 40,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2348",
    "depth": 30.0,
    "PO4": 1.19,
    "SiOH4": 14.4,
    "NO3_NO2": 9.89,
    "NO2": 0.17,
    "NH4": 1.04,
    "NO3": 9.72 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.4492, 60.1328] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 95,
    "stn_id": "HB5",
    "water_depth": 40,
    "month_gmt": "07",
    "day_gmt": "05",
    "time_gmt": "2348",
    "depth": 36.0,
    "PO4": 1.18,
    "SiOH4": 14.6,
    "NO3_NO2": 10.14,
    "NO2": 0.2,
    "NH4": 1.15,
    "NO3": 9.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9296, 59.9534] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "MS1",
    "water_depth": 166,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0201",
    "depth": 0.0,
    "PO4": 0.31,
    "SiOH4": 0.69,
    "NO3_NO2": 0.0,
    "NO2": 0.04,
    "NH4": 0.53,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9296, 59.9534] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "MS1",
    "water_depth": 166,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0201",
    "depth": 10.0,
    "PO4": 0.5,
    "SiOH4": 5.08,
    "NO3_NO2": 0.13,
    "NO2": 0.15,
    "NH4": 0.54,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9296, 59.9534] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "MS1",
    "water_depth": 166,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0201",
    "depth": 20.0,
    "PO4": 0.91,
    "SiOH4": 9.36,
    "NO3_NO2": 5.86,
    "NO2": 0.24,
    "NH4": 0.92,
    "NO3": 5.62 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9296, 59.9534] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "MS1",
    "water_depth": 166,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0201",
    "depth": 30.0,
    "PO4": 1.18,
    "SiOH4": 12.51,
    "NO3_NO2": 9.56,
    "NO2": 0.3,
    "NH4": 1.19,
    "NO3": 9.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9296, 59.9534] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "MS1",
    "water_depth": 166,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0201",
    "depth": 40.0,
    "PO4": 1.55,
    "SiOH4": 17.22,
    "NO3_NO2": 15.16,
    "NO2": 0.41,
    "NH4": 1.23,
    "NO3": 14.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9296, 59.9534] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "MS1",
    "water_depth": 166,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0201",
    "depth": 50.0,
    "PO4": 1.81,
    "SiOH4": 20.58,
    "NO3_NO2": 19.04,
    "NO2": 0.46,
    "NH4": 0.97,
    "NO3": 18.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9296, 59.9534] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "MS1",
    "water_depth": 166,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0201",
    "depth": 75.0,
    "PO4": 2.2,
    "SiOH4": 30.84,
    "NO3_NO2": 25.89,
    "NO2": 0.3,
    "NH4": 0.34,
    "NO3": 25.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9296, 59.9534] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "MS1",
    "water_depth": 166,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0201",
    "depth": 100.0,
    "PO4": 2.24,
    "SiOH4": 32.59,
    "NO3_NO2": 26.91,
    "NO2": 0.23,
    "NH4": 0.34,
    "NO3": 26.68 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9296, 59.9534] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "MS1",
    "water_depth": 166,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0201",
    "depth": 125.0,
    "PO4": 2.34,
    "SiOH4": 34.54,
    "NO3_NO2": 28.1,
    "NO2": 0.27,
    "NH4": 0.31,
    "NO3": 27.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.9296, 59.9534] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 96,
    "stn_id": "MS1",
    "water_depth": 166,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0201",
    "depth": 157.0,
    "PO4": 2.37,
    "SiOH4": 35.24,
    "NO3_NO2": 28.64,
    "NO2": 0.3,
    "NH4": 0.28,
    "NO3": 28.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8977, 59.9425] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "MS2",
    "water_depth": 190,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0229",
    "depth": 0.0,
    "PO4": 0.14,
    "SiOH4": 3.15,
    "NO3_NO2": 0.0,
    "NO2": 0.0,
    "NH4": 0.36,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8977, 59.9425] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "MS2",
    "water_depth": 190,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0229",
    "depth": 10.0,
    "PO4": 0.27,
    "SiOH4": 4.92,
    "NO3_NO2": 0.0,
    "NO2": 0.0,
    "NH4": 0.36,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8977, 59.9425] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "MS2",
    "water_depth": 190,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0229",
    "depth": 20.0,
    "PO4": 0.77,
    "SiOH4": 11.22,
    "NO3_NO2": 5.12,
    "NO2": 0.1,
    "NH4": 0.74,
    "NO3": 5.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8977, 59.9425] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "MS2",
    "water_depth": 190,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0229",
    "depth": 30.0,
    "PO4": 0.99,
    "SiOH4": 13.51,
    "NO3_NO2": 7.92,
    "NO2": 0.12,
    "NH4": 0.79,
    "NO3": 7.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8977, 59.9425] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "MS2",
    "water_depth": 190,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0229",
    "depth": 40.0,
    "PO4": 1.14,
    "SiOH4": 15.62,
    "NO3_NO2": 9.77,
    "NO2": 0.11,
    "NH4": 0.87,
    "NO3": 9.66 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8977, 59.9425] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "MS2",
    "water_depth": 190,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0229",
    "depth": 50.0,
    "PO4": 1.41,
    "SiOH4": 19.07,
    "NO3_NO2": 14.67,
    "NO2": 0.25,
    "NH4": 1.25,
    "NO3": 14.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8977, 59.9425] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "MS2",
    "water_depth": 190,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0229",
    "depth": 75.0,
    "PO4": 1.89,
    "SiOH4": 29.59,
    "NO3_NO2": 24.58,
    "NO2": 0.06,
    "NH4": 0.16,
    "NO3": 24.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8977, 59.9425] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "MS2",
    "water_depth": 190,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0229",
    "depth": 100.0,
    "PO4": 2.33,
    "SiOH4": 35.84,
    "NO3_NO2": 28.93,
    "NO2": 0.0,
    "NH4": 0.16,
    "NO3": 28.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8977, 59.9425] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "MS2",
    "water_depth": 190,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0229",
    "depth": 125.0,
    "PO4": 2.32,
    "SiOH4": 35.93,
    "NO3_NO2": 29.5,
    "NO2": 0.0,
    "NH4": 0.06,
    "NO3": 29.5 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8977, 59.9425] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "MS2",
    "water_depth": 190,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0229",
    "depth": 150.0,
    "PO4": 2.33,
    "SiOH4": 36.09,
    "NO3_NO2": 29.82,
    "NO2": 0.0,
    "NH4": 0.1,
    "NO3": 29.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8977, 59.9425] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 97,
    "stn_id": "MS2",
    "water_depth": 190,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0229",
    "depth": 182.0,
    "PO4": 2.39,
    "SiOH4": 35.89,
    "NO3_NO2": 29.25,
    "NO2": 0.0,
    "NH4": 0.03,
    "NO3": 29.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8596, 59.9311] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 98,
    "stn_id": "MS3",
    "water_depth": 166,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0325",
    "depth": 0.0,
    "PO4": 0.52,
    "SiOH4": 4.17,
    "NO3_NO2": 0.1,
    "NO2": 0.03,
    "NH4": 0.02,
    "NO3": 0.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8596, 59.9311] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 98,
    "stn_id": "MS3",
    "water_depth": 166,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0325",
    "depth": 10.0,
    "PO4": 0.53,
    "SiOH4": 4.99,
    "NO3_NO2": 0.83,
    "NO2": 0.0,
    "NH4": 0.03,
    "NO3": 0.83 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8596, 59.9311] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 98,
    "stn_id": "MS3",
    "water_depth": 166,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0325",
    "depth": 20.0,
    "PO4": 1.0,
    "SiOH4": 11.2,
    "NO3_NO2": 7.07,
    "NO2": 0.1,
    "NH4": 0.39,
    "NO3": 6.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8596, 59.9311] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 98,
    "stn_id": "MS3",
    "water_depth": 166,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0325",
    "depth": 30.0,
    "PO4": 1.07,
    "SiOH4": 11.78,
    "NO3_NO2": 7.81,
    "NO2": 0.14,
    "NH4": 0.28,
    "NO3": 7.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8596, 59.9311] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 98,
    "stn_id": "MS3",
    "water_depth": 166,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0325",
    "depth": 40.0,
    "PO4": 1.26,
    "SiOH4": 14.31,
    "NO3_NO2": 10.48,
    "NO2": 0.14,
    "NH4": 0.43,
    "NO3": 10.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8596, 59.9311] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 98,
    "stn_id": "MS3",
    "water_depth": 166,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0325",
    "depth": 50.0,
    "PO4": 1.6,
    "SiOH4": 18.42,
    "NO3_NO2": 15.35,
    "NO2": 0.26,
    "NH4": 0.73,
    "NO3": 15.09 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8596, 59.9311] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 98,
    "stn_id": "MS3",
    "water_depth": 166,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0325",
    "depth": 75.0,
    "PO4": 2.04,
    "SiOH4": 28.15,
    "NO3_NO2": 23.73,
    "NO2": 0.16,
    "NH4": 0.02,
    "NO3": 23.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8596, 59.9311] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 98,
    "stn_id": "MS3",
    "water_depth": 166,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0325",
    "depth": 100.0,
    "PO4": 2.35,
    "SiOH4": 35.19,
    "NO3_NO2": 27.6,
    "NO2": 0.0,
    "NH4": 0.02,
    "NO3": 27.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8596, 59.9311] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 98,
    "stn_id": "MS3",
    "water_depth": 166,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0325",
    "depth": 125.0,
    "PO4": 2.37,
    "SiOH4": 36.07,
    "NO3_NO2": 28.05,
    "NO2": 0.0,
    "NH4": 0.02,
    "NO3": 28.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8596, 59.9311] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 98,
    "stn_id": "MS3",
    "water_depth": 166,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0325",
    "depth": 150.0,
    "PO4": 2.41,
    "SiOH4": 37.12,
    "NO3_NO2": 28.77,
    "NO2": 0.0,
    "NH4": 0.02,
    "NO3": 28.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8596, 59.9311] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 98,
    "stn_id": "MS3",
    "water_depth": 166,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0325",
    "depth": 163.0,
    "PO4": 2.42,
    "SiOH4": 37.06,
    "NO3_NO2": 28.78,
    "NO2": 0.0,
    "NH4": 0.02,
    "NO3": 28.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8299, 59.9206] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 99,
    "stn_id": "MS4",
    "water_depth": 110,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0351",
    "depth": 0.0,
    "PO4": 0.59,
    "SiOH4": 7.32,
    "NO3_NO2": 2.25,
    "NO2": 0.02,
    "NH4": 0.02,
    "NO3": 2.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8299, 59.9206] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 99,
    "stn_id": "MS4",
    "water_depth": 110,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0351",
    "depth": 10.0,
    "PO4": 0.62,
    "SiOH4": 6.88,
    "NO3_NO2": 2.71,
    "NO2": 0.0,
    "NH4": 0.04,
    "NO3": 2.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8299, 59.9206] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 99,
    "stn_id": "MS4",
    "water_depth": 110,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0351",
    "depth": 20.0,
    "PO4": 0.84,
    "SiOH4": 9.48,
    "NO3_NO2": 5.91,
    "NO2": 0.05,
    "NH4": 0.08,
    "NO3": 5.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8299, 59.9206] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 99,
    "stn_id": "MS4",
    "water_depth": 110,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0351",
    "depth": 30.0,
    "PO4": 1.07,
    "SiOH4": 12.1,
    "NO3_NO2": 8.51,
    "NO2": 0.05,
    "NH4": 0.07,
    "NO3": 8.46 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8299, 59.9206] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 99,
    "stn_id": "MS4",
    "water_depth": 110,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0351",
    "depth": 40.0,
    "PO4": 1.04,
    "SiOH4": 12.41,
    "NO3_NO2": 8.3,
    "NO2": 0.07,
    "NH4": 0.15,
    "NO3": 8.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8299, 59.9206] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 99,
    "stn_id": "MS4",
    "water_depth": 110,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0351",
    "depth": 50.0,
    "PO4": 1.15,
    "SiOH4": 14.42,
    "NO3_NO2": 10.81,
    "NO2": 0.11,
    "NH4": 0.32,
    "NO3": 10.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8299, 59.9206] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 99,
    "stn_id": "MS4",
    "water_depth": 110,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0351",
    "depth": 75.0,
    "PO4": 2.0,
    "SiOH4": 28.69,
    "NO3_NO2": 25.0,
    "NO2": 0.06,
    "NH4": 0.01,
    "NO3": 24.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8299, 59.9206] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 99,
    "stn_id": "MS4",
    "water_depth": 110,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "0351",
    "depth": 103.0,
    "PO4": 2.34,
    "SiOH4": 35.34,
    "NO3_NO2": 29.58,
    "NO2": 0.0,
    "NH4": 0.01,
    "NO3": 29.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6101, 60.2169] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "HE1",
    "water_depth": 75,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1459",
    "depth": 0.0,
    "PO4": 0.57,
    "SiOH4": 27.64,
    "NO3_NO2": 0.1,
    "NO2": 0.05,
    "NH4": 0.69,
    "NO3": 0.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6101, 60.2169] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "HE1",
    "water_depth": 75,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1459",
    "depth": 10.0,
    "PO4": 0.28,
    "SiOH4": 12.17,
    "NO3_NO2": 0.2,
    "NO2": 0.15,
    "NH4": 0.0,
    "NO3": 0.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6101, 60.2169] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "HE1",
    "water_depth": 75,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1459",
    "depth": 20.0,
    "PO4": 1.36,
    "SiOH4": 12.71,
    "NO3_NO2": 9.65,
    "NO2": 0.26,
    "NH4": 1.39,
    "NO3": 9.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6101, 60.2169] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "HE1",
    "water_depth": 75,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1459",
    "depth": 30.0,
    "PO4": 1.75,
    "SiOH4": 17.48,
    "NO3_NO2": 14.87,
    "NO2": 0.3,
    "NH4": 1.8,
    "NO3": 14.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6101, 60.2169] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "HE1",
    "water_depth": 75,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1459",
    "depth": 40.0,
    "PO4": 1.93,
    "SiOH4": 20.49,
    "NO3_NO2": 17.82,
    "NO2": 0.28,
    "NH4": 1.98,
    "NO3": 17.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6101, 60.2169] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "HE1",
    "water_depth": 75,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1459",
    "depth": 50.0,
    "PO4": 1.95,
    "SiOH4": 21.92,
    "NO3_NO2": 19.25,
    "NO2": 0.33,
    "NH4": 1.87,
    "NO3": 18.92 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6101, 60.2169] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 100,
    "stn_id": "HE1",
    "water_depth": 75,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1459",
    "depth": 79.0,
    "PO4": 1.98,
    "SiOH4": 22.91,
    "NO3_NO2": 20.55,
    "NO2": 0.28,
    "NH4": 1.06,
    "NO3": 20.27 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6093, 60.1793] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "HE2",
    "water_depth": 191,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1525",
    "depth": 0.0,
    "PO4": 0.15,
    "SiOH4": 23.84,
    "NO3_NO2": 0.2,
    "NO2": 0.13,
    "NH4": 0.17,
    "NO3": 0.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6093, 60.1793] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "HE2",
    "water_depth": 191,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1525",
    "depth": 10.0,
    "PO4": 0.59,
    "SiOH4": 10.46,
    "NO3_NO2": 2.68,
    "NO2": 0.16,
    "NH4": 0.86,
    "NO3": 2.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6093, 60.1793] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "HE2",
    "water_depth": 191,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1525",
    "depth": 20.0,
    "PO4": 1.69,
    "SiOH4": 15.41,
    "NO3_NO2": 14.23,
    "NO2": 0.27,
    "NH4": 3.87,
    "NO3": 13.96 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6093, 60.1793] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "HE2",
    "water_depth": 191,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1525",
    "depth": 30.0,
    "PO4": 1.84,
    "SiOH4": 18.57,
    "NO3_NO2": 16.67,
    "NO2": 0.33,
    "NH4": 3.5,
    "NO3": 16.34 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6093, 60.1793] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "HE2",
    "water_depth": 191,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1525",
    "depth": 40.0,
    "PO4": 1.9,
    "SiOH4": 22.05,
    "NO3_NO2": 19.23,
    "NO2": 0.2,
    "NH4": 2.64,
    "NO3": 19.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6093, 60.1793] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "HE2",
    "water_depth": 191,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1525",
    "depth": 50.0,
    "PO4": 1.85,
    "SiOH4": 22.09,
    "NO3_NO2": 20.45,
    "NO2": 0.27,
    "NH4": 1.58,
    "NO3": 20.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6093, 60.1793] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "HE2",
    "water_depth": 191,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1525",
    "depth": 75.0,
    "PO4": 1.85,
    "SiOH4": 22.84,
    "NO3_NO2": 21.68,
    "NO2": 0.28,
    "NH4": 0.64,
    "NO3": 21.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6093, 60.1793] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "HE2",
    "water_depth": 191,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1525",
    "depth": 100.0,
    "PO4": 2.02,
    "SiOH4": 25.45,
    "NO3_NO2": 23.78,
    "NO2": 0.4,
    "NH4": 0.64,
    "NO3": 23.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6093, 60.1793] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "HE2",
    "water_depth": 191,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1525",
    "depth": 125.0,
    "PO4": 2.17,
    "SiOH4": 27.05,
    "NO3_NO2": 25.14,
    "NO2": 0.43,
    "NH4": 0.71,
    "NO3": 24.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6093, 60.1793] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "HE2",
    "water_depth": 191,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1525",
    "depth": 150.0,
    "PO4": 2.16,
    "SiOH4": 27.48,
    "NO3_NO2": 25.59,
    "NO2": 0.45,
    "NH4": 0.52,
    "NO3": 25.14 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6093, 60.1793] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 101,
    "stn_id": "HE2",
    "water_depth": 191,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1525",
    "depth": 178.0,
    "PO4": 2.18,
    "SiOH4": 27.75,
    "NO3_NO2": 27.47,
    "NO2": 0.39,
    "NH4": 0.05,
    "NO3": 27.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6101, 60.1286] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 102,
    "stn_id": "HE3",
    "water_depth": 112,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1610",
    "depth": 0.0,
    "PO4": 0.8,
    "SiOH4": 9.05,
    "NO3_NO2": 1.06,
    "NO2": 0.18,
    "NH4": null,
    "NO3": 0.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6101, 60.1286] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 102,
    "stn_id": "HE3",
    "water_depth": 112,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1610",
    "depth": 10.0,
    "PO4": 0.63,
    "SiOH4": 4.17,
    "NO3_NO2": 0.5,
    "NO2": 0.15,
    "NH4": 0.1,
    "NO3": 0.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6101, 60.1286] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 102,
    "stn_id": "HE3",
    "water_depth": 112,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1610",
    "depth": 20.0,
    "PO4": 1.57,
    "SiOH4": 15.88,
    "NO3_NO2": 15.5,
    "NO2": 0.42,
    "NH4": 0.1,
    "NO3": 15.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6101, 60.1286] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 102,
    "stn_id": "HE3",
    "water_depth": 112,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1610",
    "depth": 30.0,
    "PO4": 1.8,
    "SiOH4": 19.45,
    "NO3_NO2": 19.66,
    "NO2": 0.35,
    "NH4": 0.01,
    "NO3": 19.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6101, 60.1286] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 102,
    "stn_id": "HE3",
    "water_depth": 112,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1610",
    "depth": 40.0,
    "PO4": 1.96,
    "SiOH4": 22.4,
    "NO3_NO2": 22.9,
    "NO2": 0.29,
    "NH4": 0.01,
    "NO3": 22.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6101, 60.1286] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 102,
    "stn_id": "HE3",
    "water_depth": 112,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1610",
    "depth": 50.0,
    "PO4": 1.89,
    "SiOH4": 21.74,
    "NO3_NO2": 20.96,
    "NO2": 0.31,
    "NH4": 0.42,
    "NO3": 20.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6101, 60.1286] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 102,
    "stn_id": "HE3",
    "water_depth": 112,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1610",
    "depth": 75.0,
    "PO4": 1.93,
    "SiOH4": 23.22,
    "NO3_NO2": 21.74,
    "NO2": 0.3,
    "NH4": 0.6,
    "NO3": 21.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6101, 60.1286] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 102,
    "stn_id": "HE3",
    "water_depth": 112,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1610",
    "depth": 110.0,
    "PO4": 2.15,
    "SiOH4": 26.65,
    "NO3_NO2": 24.93,
    "NO2": 0.35,
    "NH4": 0.33,
    "NO3": 24.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6111, 60.079] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 103,
    "stn_id": "HE4",
    "water_depth": 113,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1640",
    "depth": 0.0,
    "PO4": 0.52,
    "SiOH4": 7.45,
    "NO3_NO2": 0.87,
    "NO2": 0.18,
    "NH4": 0.02,
    "NO3": 0.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6111, 60.079] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 103,
    "stn_id": "HE4",
    "water_depth": 113,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1640",
    "depth": 10.0,
    "PO4": 0.75,
    "SiOH4": 8.53,
    "NO3_NO2": 4.84,
    "NO2": 0.23,
    "NH4": 0.01,
    "NO3": 4.61 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6111, 60.079] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 103,
    "stn_id": "HE4",
    "water_depth": 113,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1640",
    "depth": 20.0,
    "PO4": 1.37,
    "SiOH4": 14.42,
    "NO3_NO2": 14.29,
    "NO2": 0.35,
    "NH4": 0.27,
    "NO3": 13.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6111, 60.079] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 103,
    "stn_id": "HE4",
    "water_depth": 113,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1640",
    "depth": 30.0,
    "PO4": 1.4,
    "SiOH4": 16.1,
    "NO3_NO2": 15.58,
    "NO2": 0.32,
    "NH4": 0.27,
    "NO3": 15.26 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6111, 60.079] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 103,
    "stn_id": "HE4",
    "water_depth": 113,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1640",
    "depth": 40.0,
    "PO4": 1.5,
    "SiOH4": 18.25,
    "NO3_NO2": 15.52,
    "NO2": 0.31,
    "NH4": 1.25,
    "NO3": 15.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6111, 60.079] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 103,
    "stn_id": "HE4",
    "water_depth": 113,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1640",
    "depth": 50.0,
    "PO4": 1.72,
    "SiOH4": 20.73,
    "NO3_NO2": 19.12,
    "NO2": 0.25,
    "NH4": 1.09,
    "NO3": 18.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6111, 60.079] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 103,
    "stn_id": "HE4",
    "water_depth": 113,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1640",
    "depth": 75.0,
    "PO4": 1.88,
    "SiOH4": 22.99,
    "NO3_NO2": 23.95,
    "NO2": 0.38,
    "NH4": 0.25,
    "NO3": 23.57 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6111, 60.079] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 103,
    "stn_id": "HE4",
    "water_depth": 113,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1640",
    "depth": 111.0,
    "PO4": 2.1,
    "SiOH4": 26.48,
    "NO3_NO2": 25.18,
    "NO2": 0.4,
    "NH4": 0.66,
    "NO3": 24.78 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6108, 60.029] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 104,
    "stn_id": "HE5",
    "water_depth": 93,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1720",
    "depth": 0.0,
    "PO4": 0.7,
    "SiOH4": 7.81,
    "NO3_NO2": 2.03,
    "NO2": 0.15,
    "NH4": 0.01,
    "NO3": 1.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6108, 60.029] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 104,
    "stn_id": "HE5",
    "water_depth": 93,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1720",
    "depth": 10.0,
    "PO4": 0.75,
    "SiOH4": 8.27,
    "NO3_NO2": 2.86,
    "NO2": 0.16,
    "NH4": 0.01,
    "NO3": 2.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6108, 60.029] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 104,
    "stn_id": "HE5",
    "water_depth": 93,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1720",
    "depth": 20.0,
    "PO4": 1.44,
    "SiOH4": 14.98,
    "NO3_NO2": 11.5,
    "NO2": 0.21,
    "NH4": 0.37,
    "NO3": 11.29 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6108, 60.029] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 104,
    "stn_id": "HE5",
    "water_depth": 93,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1720",
    "depth": 30.0,
    "PO4": 1.9,
    "SiOH4": 21.0,
    "NO3_NO2": 18.23,
    "NO2": 0.24,
    "NH4": 1.49,
    "NO3": 17.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6108, 60.029] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 104,
    "stn_id": "HE5",
    "water_depth": 93,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1720",
    "depth": 40.0,
    "PO4": 1.96,
    "SiOH4": 21.99,
    "NO3_NO2": 18.94,
    "NO2": 0.25,
    "NH4": 1.82,
    "NO3": 18.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6108, 60.029] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 104,
    "stn_id": "HE5",
    "water_depth": 93,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1720",
    "depth": 50.0,
    "PO4": 1.98,
    "SiOH4": 23.44,
    "NO3_NO2": 19.9,
    "NO2": 0.21,
    "NH4": 2.07,
    "NO3": 19.69 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6108, 60.029] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 104,
    "stn_id": "HE5",
    "water_depth": 93,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1720",
    "depth": 75.0,
    "PO4": 1.95,
    "SiOH4": 22.97,
    "NO3_NO2": 20.06,
    "NO2": 0.22,
    "NH4": 1.61,
    "NO3": 19.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.6108, 60.029] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 104,
    "stn_id": "HE5",
    "water_depth": 93,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1720",
    "depth": 91.0,
    "PO4": 1.87,
    "SiOH4": 22.43,
    "NO3_NO2": 20.04,
    "NO2": 0.18,
    "NH4": 1.27,
    "NO3": 19.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7397, 60.0517] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 105,
    "stn_id": "HE6.5",
    "water_depth": 122,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1754",
    "depth": 0.0,
    "PO4": 0.37,
    "SiOH4": 6.38,
    "NO3_NO2": 0.5,
    "NO2": 0.22,
    "NH4": 0.05,
    "NO3": 0.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7397, 60.0517] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 105,
    "stn_id": "HE6.5",
    "water_depth": 122,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1754",
    "depth": 10.0,
    "PO4": 1.11,
    "SiOH4": 12.1,
    "NO3_NO2": 10.85,
    "NO2": 0.2,
    "NH4": 0.05,
    "NO3": 10.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7397, 60.0517] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 105,
    "stn_id": "HE6.5",
    "water_depth": 122,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1754",
    "depth": 20.0,
    "PO4": 1.39,
    "SiOH4": 15.44,
    "NO3_NO2": 15.28,
    "NO2": 0.2,
    "NH4": 0.08,
    "NO3": 15.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7397, 60.0517] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 105,
    "stn_id": "HE6.5",
    "water_depth": 122,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1754",
    "depth": 30.0,
    "PO4": 1.62,
    "SiOH4": 19.31,
    "NO3_NO2": 20.43,
    "NO2": 0.2,
    "NH4": 0.1,
    "NO3": 20.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7397, 60.0517] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 105,
    "stn_id": "HE6.5",
    "water_depth": 122,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1754",
    "depth": 40.0,
    "PO4": 1.79,
    "SiOH4": 22.01,
    "NO3_NO2": 23.71,
    "NO2": 0.2,
    "NH4": 0.05,
    "NO3": 23.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7397, 60.0517] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 105,
    "stn_id": "HE6.5",
    "water_depth": 122,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1754",
    "depth": 50.0,
    "PO4": 1.8,
    "SiOH4": 22.4,
    "NO3_NO2": 23.93,
    "NO2": 0.2,
    "NH4": 0.05,
    "NO3": 23.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7397, 60.0517] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 105,
    "stn_id": "HE6.5",
    "water_depth": 122,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1754",
    "depth": 75.0,
    "PO4": 1.85,
    "SiOH4": 22.77,
    "NO3_NO2": 24.58,
    "NO2": 0.2,
    "NH4": 0.05,
    "NO3": 24.38 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7397, 60.0517] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 105,
    "stn_id": "HE6.5",
    "water_depth": 122,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1754",
    "depth": 100.0,
    "PO4": 1.97,
    "SiOH4": 25.61,
    "NO3_NO2": 25.53,
    "NO2": 0.2,
    "NH4": 0.1,
    "NO3": 25.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.7397, 60.0517] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 105,
    "stn_id": "HE6.5",
    "water_depth": 122,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1754",
    "depth": 118.0,
    "PO4": 2.03,
    "SiOH4": 26.21,
    "NO3_NO2": 25.62,
    "NO2": 0.21,
    "NH4": 0.1,
    "NO3": 25.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8774, 60.0754] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 106,
    "stn_id": "HE8",
    "water_depth": 106,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1845",
    "depth": 0.0,
    "PO4": 0.5,
    "SiOH4": 10.62,
    "NO3_NO2": 0.1,
    "NO2": 0.11,
    "NH4": 0.09,
    "NO3": 0.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8774, 60.0754] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 106,
    "stn_id": "HE8",
    "water_depth": 106,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1845",
    "depth": 10.0,
    "PO4": 0.65,
    "SiOH4": 6.73,
    "NO3_NO2": 1.58,
    "NO2": 0.17,
    "NH4": 0.11,
    "NO3": 1.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8774, 60.0754] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 106,
    "stn_id": "HE8",
    "water_depth": 106,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1845",
    "depth": 20.0,
    "PO4": 1.23,
    "SiOH4": 12.99,
    "NO3_NO2": 11.35,
    "NO2": 0.25,
    "NH4": 0.29,
    "NO3": 11.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8774, 60.0754] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 106,
    "stn_id": "HE8",
    "water_depth": 106,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1845",
    "depth": 30.0,
    "PO4": 1.64,
    "SiOH4": 18.15,
    "NO3_NO2": 17.72,
    "NO2": 0.28,
    "NH4": 0.27,
    "NO3": 17.44 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8774, 60.0754] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 106,
    "stn_id": "HE8",
    "water_depth": 106,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1845",
    "depth": 40.0,
    "PO4": 1.77,
    "SiOH4": 20.27,
    "NO3_NO2": 20.15,
    "NO2": 0.31,
    "NH4": 0.21,
    "NO3": 19.84 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8774, 60.0754] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 106,
    "stn_id": "HE8",
    "water_depth": 106,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1845",
    "depth": 50.0,
    "PO4": 1.8,
    "SiOH4": 21.39,
    "NO3_NO2": 21.3,
    "NO2": 0.28,
    "NH4": 0.15,
    "NO3": 21.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8774, 60.0754] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 106,
    "stn_id": "HE8",
    "water_depth": 106,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1845",
    "depth": 75.0,
    "PO4": 1.97,
    "SiOH4": 24.06,
    "NO3_NO2": 23.74,
    "NO2": 0.34,
    "NH4": 0.17,
    "NO3": 23.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.8774, 60.0754] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 106,
    "stn_id": "HE8",
    "water_depth": 106,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1845",
    "depth": 102.0,
    "PO4": 2.07,
    "SiOH4": 25.96,
    "NO3_NO2": 25.11,
    "NO2": 0.34,
    "NH4": 0.35,
    "NO3": 24.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9633, 60.0944] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 107,
    "stn_id": "HE9",
    "water_depth": 148,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1912",
    "depth": 0.0,
    "PO4": 0.22,
    "SiOH4": 14.81,
    "NO3_NO2": 0.2,
    "NO2": 0.14,
    "NH4": 0.29,
    "NO3": 0.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9633, 60.0944] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 107,
    "stn_id": "HE9",
    "water_depth": 148,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1912",
    "depth": 10.0,
    "PO4": 0.31,
    "SiOH4": 7.23,
    "NO3_NO2": 0.5,
    "NO2": 0.17,
    "NH4": 0.15,
    "NO3": 0.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9633, 60.0944] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 107,
    "stn_id": "HE9",
    "water_depth": 148,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1912",
    "depth": 20.0,
    "PO4": 0.95,
    "SiOH4": 10.73,
    "NO3_NO2": 8.11,
    "NO2": 0.31,
    "NH4": 0.21,
    "NO3": 7.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9633, 60.0944] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 107,
    "stn_id": "HE9",
    "water_depth": 148,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1912",
    "depth": 30.0,
    "PO4": 1.15,
    "SiOH4": 13.63,
    "NO3_NO2": 12.04,
    "NO2": 0.37,
    "NH4": 0.27,
    "NO3": 11.67 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9633, 60.0944] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 107,
    "stn_id": "HE9",
    "water_depth": 148,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1912",
    "depth": 40.0,
    "PO4": 1.32,
    "SiOH4": 15.57,
    "NO3_NO2": 14.28,
    "NO2": 0.39,
    "NH4": 0.25,
    "NO3": 13.89 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9633, 60.0944] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 107,
    "stn_id": "HE9",
    "water_depth": 148,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1912",
    "depth": 50.0,
    "PO4": 1.63,
    "SiOH4": 20.51,
    "NO3_NO2": 20.58,
    "NO2": 0.42,
    "NH4": 0.15,
    "NO3": 20.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9633, 60.0944] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 107,
    "stn_id": "HE9",
    "water_depth": 148,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1912",
    "depth": 75.0,
    "PO4": 1.71,
    "SiOH4": 22.71,
    "NO3_NO2": 22.42,
    "NO2": 0.39,
    "NH4": 0.21,
    "NO3": 22.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9633, 60.0944] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 107,
    "stn_id": "HE9",
    "water_depth": 148,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1912",
    "depth": 100.0,
    "PO4": 1.71,
    "SiOH4": 22.07,
    "NO3_NO2": 21.02,
    "NO2": 0.37,
    "NH4": 0.57,
    "NO3": 20.65 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9633, 60.0944] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 107,
    "stn_id": "HE9",
    "water_depth": 148,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1912",
    "depth": 125.0,
    "PO4": 1.88,
    "SiOH4": 24.58,
    "NO3_NO2": 24.12,
    "NO2": 0.39,
    "NH4": 0.32,
    "NO3": 23.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.9633, 60.0944] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 107,
    "stn_id": "HE9",
    "water_depth": 148,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1912",
    "depth": 147.0,
    "PO4": 2.04,
    "SiOH4": 25.79,
    "NO3_NO2": 26.59,
    "NO2": 0.28,
    "NH4": 0.11,
    "NO3": 26.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0512, 60.1115] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 108,
    "stn_id": "HE10",
    "water_depth": 277,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1941",
    "depth": 0.0,
    "PO4": 0.39,
    "SiOH4": 9.24,
    "NO3_NO2": 0.42,
    "NO2": 0.01,
    "NH4": 0.37,
    "NO3": 0.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0512, 60.1115] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 108,
    "stn_id": "HE10",
    "water_depth": 277,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1941",
    "depth": 10.0,
    "PO4": 0.43,
    "SiOH4": 5.69,
    "NO3_NO2": 1.09,
    "NO2": 0.01,
    "NH4": 0.27,
    "NO3": 1.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0512, 60.1115] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 108,
    "stn_id": "HE10",
    "water_depth": 277,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1941",
    "depth": 20.0,
    "PO4": 0.36,
    "SiOH4": 7.02,
    "NO3_NO2": 6.55,
    "NO2": 0.04,
    "NH4": 0.33,
    "NO3": 6.51 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0512, 60.1115] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 108,
    "stn_id": "HE10",
    "water_depth": 277,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1941",
    "depth": 30.0,
    "PO4": 0.89,
    "SiOH4": 11.31,
    "NO3_NO2": 12.1,
    "NO2": 0.09,
    "NH4": 0.51,
    "NO3": 12.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0512, 60.1115] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 108,
    "stn_id": "HE10",
    "water_depth": 277,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1941",
    "depth": 40.0,
    "PO4": 1.27,
    "SiOH4": 15.64,
    "NO3_NO2": 17.48,
    "NO2": 0.27,
    "NH4": 0.35,
    "NO3": 17.21 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0512, 60.1115] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 108,
    "stn_id": "HE10",
    "water_depth": 277,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1941",
    "depth": 50.0,
    "PO4": 1.5,
    "SiOH4": 18.68,
    "NO3_NO2": 20.67,
    "NO2": 0.28,
    "NH4": 0.38,
    "NO3": 20.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0512, 60.1115] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 108,
    "stn_id": "HE10",
    "water_depth": 277,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1941",
    "depth": 75.0,
    "PO4": 1.71,
    "SiOH4": 21.4,
    "NO3_NO2": 22.69,
    "NO2": 0.36,
    "NH4": 0.51,
    "NO3": 22.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0512, 60.1115] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 108,
    "stn_id": "HE10",
    "water_depth": 277,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1941",
    "depth": 100.0,
    "PO4": 1.77,
    "SiOH4": 22.56,
    "NO3_NO2": 24.37,
    "NO2": 0.36,
    "NH4": 0.06,
    "NO3": 24.01 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0512, 60.1115] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 108,
    "stn_id": "HE10",
    "water_depth": 277,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1941",
    "depth": 125.0,
    "PO4": 1.86,
    "SiOH4": 23.24,
    "NO3_NO2": 22.69,
    "NO2": 0.34,
    "NH4": 0.27,
    "NO3": 22.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0512, 60.1115] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 108,
    "stn_id": "HE10",
    "water_depth": 277,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1941",
    "depth": 175.0,
    "PO4": 1.98,
    "SiOH4": 23.72,
    "NO3_NO2": 25.21,
    "NO2": 0.19,
    "NH4": 0.13,
    "NO3": 25.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0512, 60.1115] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 108,
    "stn_id": "HE10",
    "water_depth": 277,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1941",
    "depth": 225.0,
    "PO4": 2.26,
    "SiOH4": 29.54,
    "NO3_NO2": 30.25,
    "NO2": 0.07,
    "NH4": 0.1,
    "NO3": 30.18 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0512, 60.1115] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 108,
    "stn_id": "HE10",
    "water_depth": 277,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "1941",
    "depth": 272.0,
    "PO4": 2.81,
    "SiOH4": 39.36,
    "NO3_NO2": 36.97,
    "NO2": 0.1,
    "NH4": 0.18,
    "NO3": 36.87 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1335, 60.1312] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 109,
    "stn_id": "HE11",
    "water_depth": 216,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2033",
    "depth": 0.0,
    "PO4": 0.4,
    "SiOH4": 8.53,
    "NO3_NO2": 0.06,
    "NO2": 0.01,
    "NH4": 0.04,
    "NO3": 0.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1335, 60.1312] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 109,
    "stn_id": "HE11",
    "water_depth": 216,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2033",
    "depth": 10.0,
    "PO4": 0.29,
    "SiOH4": 2.08,
    "NO3_NO2": 0.1,
    "NO2": 0.04,
    "NH4": 0.04,
    "NO3": 0.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1335, 60.1312] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 109,
    "stn_id": "HE11",
    "water_depth": 216,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2033",
    "depth": 20.0,
    "PO4": 0.33,
    "SiOH4": 3.0,
    "NO3_NO2": 0.2,
    "NO2": 0.08,
    "NH4": 0.04,
    "NO3": 0.12 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1335, 60.1312] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 109,
    "stn_id": "HE11",
    "water_depth": 216,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2033",
    "depth": 30.0,
    "PO4": 1.05,
    "SiOH4": 10.46,
    "NO3_NO2": 8.06,
    "NO2": 0.21,
    "NH4": 0.14,
    "NO3": 7.85 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1335, 60.1312] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 109,
    "stn_id": "HE11",
    "water_depth": 216,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2033",
    "depth": 40.0,
    "PO4": 1.53,
    "SiOH4": 17.66,
    "NO3_NO2": 16.63,
    "NO2": 0.28,
    "NH4": 0.32,
    "NO3": 16.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1335, 60.1312] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 109,
    "stn_id": "HE11",
    "water_depth": 216,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2033",
    "depth": 50.0,
    "PO4": 1.74,
    "SiOH4": 21.56,
    "NO3_NO2": 20.7,
    "NO2": 0.23,
    "NH4": 0.18,
    "NO3": 20.47 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1335, 60.1312] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 109,
    "stn_id": "HE11",
    "water_depth": 216,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2033",
    "depth": 75.0,
    "PO4": 1.8,
    "SiOH4": 22.56,
    "NO3_NO2": 21.41,
    "NO2": 0.26,
    "NH4": 0.39,
    "NO3": 21.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1335, 60.1312] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 109,
    "stn_id": "HE11",
    "water_depth": 216,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2033",
    "depth": 100.0,
    "PO4": 1.89,
    "SiOH4": 24.38,
    "NO3_NO2": 23.95,
    "NO2": 0.13,
    "NH4": 0.04,
    "NO3": 23.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1335, 60.1312] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 109,
    "stn_id": "HE11",
    "water_depth": 216,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2033",
    "depth": 125.0,
    "PO4": 1.89,
    "SiOH4": 24.42,
    "NO3_NO2": 24.22,
    "NO2": 0.06,
    "NH4": 0.04,
    "NO3": 24.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1335, 60.1312] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 109,
    "stn_id": "HE11",
    "water_depth": 216,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2033",
    "depth": 150.0,
    "PO4": 1.85,
    "SiOH4": 24.34,
    "NO3_NO2": 24.25,
    "NO2": 0.0,
    "NH4": 0.04,
    "NO3": 24.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1335, 60.1312] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 109,
    "stn_id": "HE11",
    "water_depth": 216,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2033",
    "depth": 175.0,
    "PO4": 1.92,
    "SiOH4": 24.24,
    "NO3_NO2": 24.64,
    "NO2": 0.0,
    "NH4": 0.11,
    "NO3": 24.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1335, 60.1312] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 109,
    "stn_id": "HE11",
    "water_depth": 216,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2033",
    "depth": 213.0,
    "PO4": 2.03,
    "SiOH4": 26.25,
    "NO3_NO2": 26.83,
    "NO2": 0.04,
    "NH4": 0.04,
    "NO3": 26.79 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1885, 60.1411] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 110,
    "stn_id": "HE12",
    "water_depth": 180,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2108",
    "depth": 0.0,
    "PO4": 0.13,
    "SiOH4": 6.95,
    "NO3_NO2": 0.05,
    "NO2": 0.01,
    "NH4": 0.04,
    "NO3": 0.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1885, 60.1411] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 110,
    "stn_id": "HE12",
    "water_depth": 180,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2108",
    "depth": 10.0,
    "PO4": 0.15,
    "SiOH4": 3.73,
    "NO3_NO2": 0.05,
    "NO2": 0.04,
    "NH4": 0.04,
    "NO3": 0.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1885, 60.1411] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 110,
    "stn_id": "HE12",
    "water_depth": 180,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2108",
    "depth": 20.0,
    "PO4": 0.47,
    "SiOH4": 5.28,
    "NO3_NO2": 1.99,
    "NO2": 0.08,
    "NH4": 0.21,
    "NO3": 1.99 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1885, 60.1411] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 110,
    "stn_id": "HE12",
    "water_depth": 180,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2108",
    "depth": 30.0,
    "PO4": 1.31,
    "SiOH4": 16.54,
    "NO3_NO2": 15.01,
    "NO2": 0.21,
    "NH4": 0.35,
    "NO3": 14.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1885, 60.1411] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 110,
    "stn_id": "HE12",
    "water_depth": 180,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2108",
    "depth": 40.0,
    "PO4": 1.63,
    "SiOH4": 23.34,
    "NO3_NO2": 21.8,
    "NO2": 0.28,
    "NH4": 0.21,
    "NO3": 21.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1885, 60.1411] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 110,
    "stn_id": "HE12",
    "water_depth": 180,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2108",
    "depth": 50.0,
    "PO4": 1.68,
    "SiOH4": 24.54,
    "NO3_NO2": 22.35,
    "NO2": 0.23,
    "NH4": 0.28,
    "NO3": 22.35 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1885, 60.1411] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 110,
    "stn_id": "HE12",
    "water_depth": 180,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2108",
    "depth": 75.0,
    "PO4": 1.82,
    "SiOH4": 27.14,
    "NO3_NO2": 25.07,
    "NO2": 0.26,
    "NH4": 0.21,
    "NO3": 25.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1885, 60.1411] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 110,
    "stn_id": "HE12",
    "water_depth": 180,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2108",
    "depth": 100.0,
    "PO4": 1.74,
    "SiOH4": 27.67,
    "NO3_NO2": 25.42,
    "NO2": 0.13,
    "NH4": 0.14,
    "NO3": 25.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1885, 60.1411] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 110,
    "stn_id": "HE12",
    "water_depth": 180,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2108",
    "depth": 125.0,
    "PO4": 1.82,
    "SiOH4": 28.2,
    "NO3_NO2": 25.77,
    "NO2": 0.06,
    "NH4": 0.07,
    "NO3": 25.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1885, 60.1411] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 110,
    "stn_id": "HE12",
    "water_depth": 180,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2108",
    "depth": 150.0,
    "PO4": 1.86,
    "SiOH4": 27.95,
    "NO3_NO2": 26.1,
    "NO2": 0.0,
    "NH4": 0.18,
    "NO3": 26.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.1885, 60.1411] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 110,
    "stn_id": "HE12",
    "water_depth": 180,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2108",
    "depth": 177.0,
    "PO4": 1.9,
    "SiOH4": 26.95,
    "NO3_NO2": 26.32,
    "NO2": 0.0,
    "NH4": 0.32,
    "NO3": 26.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0744, 60.1005] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 111,
    "stn_id": "AHC1",
    "water_depth": 262,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2154",
    "depth": 0.0,
    "PO4": 0.4,
    "SiOH4": 7.65,
    "NO3_NO2": 0.2,
    "NO2": 0.05,
    "NH4": 0.2,
    "NO3": 0.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0744, 60.1005] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 111,
    "stn_id": "AHC1",
    "water_depth": 262,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2154",
    "depth": 10.0,
    "PO4": 0.47,
    "SiOH4": 5.75,
    "NO3_NO2": 0.2,
    "NO2": 0.04,
    "NH4": 0.22,
    "NO3": 0.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0744, 60.1005] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 111,
    "stn_id": "AHC1",
    "water_depth": 262,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2154",
    "depth": 20.0,
    "PO4": 0.71,
    "SiOH4": 5.85,
    "NO3_NO2": 2.56,
    "NO2": 0.14,
    "NH4": 0.24,
    "NO3": 2.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0744, 60.1005] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 111,
    "stn_id": "AHC1",
    "water_depth": 262,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2154",
    "depth": 30.0,
    "PO4": 1.25,
    "SiOH4": 11.1,
    "NO3_NO2": 10.07,
    "NO2": 0.3,
    "NH4": 0.35,
    "NO3": 9.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0744, 60.1005] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 111,
    "stn_id": "AHC1",
    "water_depth": 262,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2154",
    "depth": 40.0,
    "PO4": 1.57,
    "SiOH4": 16.35,
    "NO3_NO2": 16.17,
    "NO2": 0.35,
    "NH4": 0.33,
    "NO3": 15.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0744, 60.1005] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 111,
    "stn_id": "AHC1",
    "water_depth": 262,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2154",
    "depth": 50.0,
    "PO4": 1.77,
    "SiOH4": 21.95,
    "NO3_NO2": 20.29,
    "NO2": 0.31,
    "NH4": 0.02,
    "NO3": 19.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0744, 60.1005] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 111,
    "stn_id": "AHC1",
    "water_depth": 262,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2154",
    "depth": 75.0,
    "PO4": 1.86,
    "SiOH4": 20.75,
    "NO3_NO2": 21.49,
    "NO2": 0.33,
    "NH4": 0.36,
    "NO3": 21.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0744, 60.1005] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 111,
    "stn_id": "AHC1",
    "water_depth": 262,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2154",
    "depth": 100.0,
    "PO4": 1.57,
    "SiOH4": 20.6,
    "NO3_NO2": 17.62,
    "NO2": 0.29,
    "NH4": 0.29,
    "NO3": 17.33 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0744, 60.1005] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 111,
    "stn_id": "AHC1",
    "water_depth": 262,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2154",
    "depth": 125.0,
    "PO4": 1.92,
    "SiOH4": 24.35,
    "NO3_NO2": 22.79,
    "NO2": 0.37,
    "NH4": 0.07,
    "NO3": 22.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0744, 60.1005] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 111,
    "stn_id": "AHC1",
    "water_depth": 262,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2154",
    "depth": 150.0,
    "PO4": 1.92,
    "SiOH4": 24.35,
    "NO3_NO2": 22.72,
    "NO2": 0.36,
    "NH4": 0.09,
    "NO3": 22.36 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0744, 60.1005] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 111,
    "stn_id": "AHC1",
    "water_depth": 262,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2154",
    "depth": 200.0,
    "PO4": 1.94,
    "SiOH4": 25.2,
    "NO3_NO2": 24.28,
    "NO2": 0.15,
    "NH4": 0.02,
    "NO3": 24.13 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0744, 60.1005] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 111,
    "stn_id": "AHC1",
    "water_depth": 262,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2154",
    "depth": 260.0,
    "PO4": 2.61,
    "SiOH4": 41.85,
    "NO3_NO2": 36.4,
    "NO2": 0.2,
    "NH4": 0.04,
    "NO3": 36.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0742, 59.999] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 112,
    "stn_id": "AHC2",
    "water_depth": 185,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2251",
    "depth": 0.0,
    "PO4": 0.09,
    "SiOH4": 2.1,
    "NO3_NO2": 0.1,
    "NO2": 0.08,
    "NH4": 0.01,
    "NO3": 0.02 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0742, 59.999] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 112,
    "stn_id": "AHC2",
    "water_depth": 185,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2251",
    "depth": 10.0,
    "PO4": 0.37,
    "SiOH4": 4.3,
    "NO3_NO2": 0.3,
    "NO2": 0.13,
    "NH4": 0.03,
    "NO3": 0.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0742, 59.999] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 112,
    "stn_id": "AHC2",
    "water_depth": 185,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2251",
    "depth": 20.0,
    "PO4": 1.04,
    "SiOH4": 12.0,
    "NO3_NO2": 9.48,
    "NO2": 0.23,
    "NH4": 0.14,
    "NO3": 9.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0742, 59.999] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 112,
    "stn_id": "AHC2",
    "water_depth": 185,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2251",
    "depth": 30.0,
    "PO4": 1.34,
    "SiOH4": 13.35,
    "NO3_NO2": 12.71,
    "NO2": 0.31,
    "NH4": 0.48,
    "NO3": 12.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0742, 59.999] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 112,
    "stn_id": "AHC2",
    "water_depth": 185,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2251",
    "depth": 40.0,
    "PO4": 1.59,
    "SiOH4": 18.55,
    "NO3_NO2": 18.24,
    "NO2": 0.3,
    "NH4": 0.32,
    "NO3": 17.94 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0742, 59.999] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 112,
    "stn_id": "AHC2",
    "water_depth": 185,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2251",
    "depth": 50.0,
    "PO4": 1.71,
    "SiOH4": 20.95,
    "NO3_NO2": 21.0,
    "NO2": 0.2,
    "NH4": 0.06,
    "NO3": 20.8 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0742, 59.999] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 112,
    "stn_id": "AHC2",
    "water_depth": 185,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2251",
    "depth": 75.0,
    "PO4": 1.82,
    "SiOH4": 22.8,
    "NO3_NO2": 22.78,
    "NO2": 0.22,
    "NH4": 0.17,
    "NO3": 22.56 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0742, 59.999] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 112,
    "stn_id": "AHC2",
    "water_depth": 185,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2251",
    "depth": 100.0,
    "PO4": 1.83,
    "SiOH4": 22.95,
    "NO3_NO2": 23.01,
    "NO2": 0.3,
    "NH4": 0.28,
    "NO3": 22.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0742, 59.999] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 112,
    "stn_id": "AHC2",
    "water_depth": 185,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2251",
    "depth": 125.0,
    "PO4": 1.89,
    "SiOH4": 23.65,
    "NO3_NO2": 23.93,
    "NO2": 0.18,
    "NH4": 0.11,
    "NO3": 23.75 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0742, 59.999] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 112,
    "stn_id": "AHC2",
    "water_depth": 185,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2251",
    "depth": 150.0,
    "PO4": 2.23,
    "SiOH4": 22.75,
    "NO3_NO2": 23.76,
    "NO2": 0.17,
    "NH4": 0.08,
    "NO3": 23.59 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0742, 59.999] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 112,
    "stn_id": "AHC2",
    "water_depth": 185,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2251",
    "depth": 184.0,
    "PO4": 2.18,
    "SiOH4": 29.65,
    "NO3_NO2": 29.13,
    "NO2": 0.13,
    "NH4": 0.01,
    "NO3": 29.0 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0732, 59.899] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 113,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2346",
    "depth": 0.0,
    "PO4": 0.39,
    "SiOH4": 3.4,
    "NO3_NO2": 0.05,
    "NO2": 0.01,
    "NH4": 0.01,
    "NO3": 0.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0732, 59.899] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 113,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2346",
    "depth": 10.0,
    "PO4": 0.3,
    "SiOH4": 3.26,
    "NO3_NO2": 0.05,
    "NO2": 0.01,
    "NH4": 0.13,
    "NO3": 0.04 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0732, 59.899] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 113,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2346",
    "depth": 20.0,
    "PO4": 0.82,
    "SiOH4": 7.01,
    "NO3_NO2": 3.97,
    "NO2": 0.06,
    "NH4": 0.21,
    "NO3": 3.91 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0732, 59.899] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 113,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2346",
    "depth": 30.0,
    "PO4": 1.31,
    "SiOH4": 14.47,
    "NO3_NO2": 12.43,
    "NO2": 0.2,
    "NH4": 0.26,
    "NO3": 12.23 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0732, 59.899] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 113,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2346",
    "depth": 40.0,
    "PO4": 1.31,
    "SiOH4": 16.14,
    "NO3_NO2": 13.36,
    "NO2": 0.2,
    "NH4": 1.11,
    "NO3": 13.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0732, 59.899] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 113,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2346",
    "depth": 50.0,
    "PO4": 1.42,
    "SiOH4": 17.5,
    "NO3_NO2": 15.35,
    "NO2": 0.18,
    "NH4": 1.37,
    "NO3": 15.17 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0732, 59.899] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 113,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2346",
    "depth": 75.0,
    "PO4": 1.6,
    "SiOH4": 19.88,
    "NO3_NO2": 18.23,
    "NO2": 0.08,
    "NH4": 1.34,
    "NO3": 18.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0732, 59.899] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 113,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2346",
    "depth": 100.0,
    "PO4": 1.66,
    "SiOH4": 20.86,
    "NO3_NO2": 20.94,
    "NO2": 0.17,
    "NH4": 0.83,
    "NO3": 20.77 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0732, 59.899] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 113,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2346",
    "depth": 125.0,
    "PO4": 1.76,
    "SiOH4": 22.25,
    "NO3_NO2": 22.92,
    "NO2": 0.19,
    "NH4": 0.53,
    "NO3": 22.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0732, 59.899] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 113,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2346",
    "depth": 150.0,
    "PO4": 1.77,
    "SiOH4": 22.02,
    "NO3_NO2": 23.6,
    "NO2": 0.06,
    "NH4": 0.37,
    "NO3": 23.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0732, 59.899] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 113,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2346",
    "depth": 175.0,
    "PO4": 1.88,
    "SiOH4": 24.55,
    "NO3_NO2": 26.04,
    "NO2": 0.01,
    "NH4": 0.34,
    "NO3": 26.03 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0732, 59.899] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 113,
    "stn_id": "AHC3",
    "water_depth": 200,
    "month_gmt": "07",
    "day_gmt": "06",
    "time_gmt": "2346",
    "depth": 197.0,
    "PO4": 2.09,
    "SiOH4": 27.69,
    "NO3_NO2": 27.98,
    "NO2": 0.0,
    "NH4": 0.32,
    "NO3": 27.98 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.074, 59.8006] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 114,
    "stn_id": "AHC4",
    "water_depth": 203,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "0041",
    "depth": 0.0,
    "PO4": 0.39,
    "SiOH4": 8.75,
    "NO3_NO2": 0.1,
    "NO2": 0.0,
    "NH4": 0.23,
    "NO3": 0.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.074, 59.8006] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 114,
    "stn_id": "AHC4",
    "water_depth": 203,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "0041",
    "depth": 10.0,
    "PO4": 0.41,
    "SiOH4": 8.86,
    "NO3_NO2": 0.2,
    "NO2": 0.0,
    "NH4": 0.24,
    "NO3": 0.2 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.074, 59.8006] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 114,
    "stn_id": "AHC4",
    "water_depth": 203,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "0041",
    "depth": 20.0,
    "PO4": 0.78,
    "SiOH4": 11.59,
    "NO3_NO2": 6.22,
    "NO2": 0.12,
    "NH4": 0.53,
    "NO3": 6.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.074, 59.8006] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 114,
    "stn_id": "AHC4",
    "water_depth": 203,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "0041",
    "depth": 30.0,
    "PO4": 1.12,
    "SiOH4": 14.17,
    "NO3_NO2": 11.09,
    "NO2": 0.21,
    "NH4": 1.14,
    "NO3": 10.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.074, 59.8006] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 114,
    "stn_id": "AHC4",
    "water_depth": 203,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "0041",
    "depth": 40.0,
    "PO4": 1.23,
    "SiOH4": 15.15,
    "NO3_NO2": 12.59,
    "NO2": 0.19,
    "NH4": 1.36,
    "NO3": 12.4 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.074, 59.8006] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 114,
    "stn_id": "AHC4",
    "water_depth": 203,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "0041",
    "depth": 50.0,
    "PO4": 1.28,
    "SiOH4": 15.66,
    "NO3_NO2": 13.15,
    "NO2": 0.18,
    "NH4": 1.51,
    "NO3": 12.97 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.074, 59.8006] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 114,
    "stn_id": "AHC4",
    "water_depth": 203,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "0041",
    "depth": 75.0,
    "PO4": 1.57,
    "SiOH4": 19.65,
    "NO3_NO2": 18.86,
    "NO2": 0.1,
    "NH4": 1.32,
    "NO3": 18.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.074, 59.8006] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 114,
    "stn_id": "AHC4",
    "water_depth": 203,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "0041",
    "depth": 100.0,
    "PO4": 1.65,
    "SiOH4": 20.78,
    "NO3_NO2": 20.86,
    "NO2": 0.13,
    "NH4": 0.94,
    "NO3": 20.73 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.074, 59.8006] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 114,
    "stn_id": "AHC4",
    "water_depth": 203,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "0041",
    "depth": 125.0,
    "PO4": 1.64,
    "SiOH4": 20.57,
    "NO3_NO2": 21.44,
    "NO2": 0.14,
    "NH4": 0.74,
    "NO3": 21.3 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.074, 59.8006] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 114,
    "stn_id": "AHC4",
    "water_depth": 203,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "0041",
    "depth": 150.0,
    "PO4": 1.8,
    "SiOH4": 22.26,
    "NO3_NO2": 24.11,
    "NO2": 0.0,
    "NH4": 0.2,
    "NO3": 24.11 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.074, 59.8006] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 114,
    "stn_id": "AHC4",
    "water_depth": 203,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "0041",
    "depth": 175.0,
    "PO4": 1.95,
    "SiOH4": 26.54,
    "NO3_NO2": 27.6,
    "NO2": 0.0,
    "NH4": 0.1,
    "NO3": 27.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.074, 59.8006] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 114,
    "stn_id": "AHC4",
    "water_depth": 203,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "0041",
    "depth": 202.0,
    "PO4": 2.69,
    "SiOH4": 44.84,
    "NO3_NO2": 40.64,
    "NO2": 0.0,
    "NH4": 0.12,
    "NO3": 40.64 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0724, 59.6991] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 115,
    "stn_id": "AHC5",
    "water_depth": 208,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "0153",
    "depth": 0.0,
    "PO4": 0.75,
    "SiOH4": 10.31,
    "NO3_NO2": 1.56,
    "NO2": 0.15,
    "NH4": 0.02,
    "NO3": 1.41 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0724, 59.6991] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 115,
    "stn_id": "AHC5",
    "water_depth": 208,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "0153",
    "depth": 10.0,
    "PO4": 0.73,
    "SiOH4": 10.81,
    "NO3_NO2": 2.74,
    "NO2": 0.16,
    "NH4": 0.11,
    "NO3": 2.58 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0724, 59.6991] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 115,
    "stn_id": "AHC5",
    "water_depth": 208,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "0153",
    "depth": 20.0,
    "PO4": 0.8,
    "SiOH4": 11.4,
    "NO3_NO2": 4.0,
    "NO2": 0.18,
    "NH4": 0.46,
    "NO3": 3.82 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0724, 59.6991] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 115,
    "stn_id": "AHC5",
    "water_depth": 208,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "0153",
    "depth": 30.0,
    "PO4": 1.07,
    "SiOH4": 13.75,
    "NO3_NO2": 8.55,
    "NO2": 0.27,
    "NH4": 0.62,
    "NO3": 8.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0724, 59.6991] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 115,
    "stn_id": "AHC5",
    "water_depth": 208,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "0153",
    "depth": 40.0,
    "PO4": 1.41,
    "SiOH4": 18.22,
    "NO3_NO2": 15.5,
    "NO2": 0.34,
    "NH4": 0.72,
    "NO3": 15.16 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0724, 59.6991] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 115,
    "stn_id": "AHC5",
    "water_depth": 208,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "0153",
    "depth": 50.0,
    "PO4": 1.43,
    "SiOH4": 18.44,
    "NO3_NO2": 16.33,
    "NO2": 0.4,
    "NH4": 0.74,
    "NO3": 15.93 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0724, 59.6991] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 115,
    "stn_id": "AHC5",
    "water_depth": 208,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "0153",
    "depth": 75.0,
    "PO4": 1.56,
    "SiOH4": 20.99,
    "NO3_NO2": 18.68,
    "NO2": 0.4,
    "NH4": 0.47,
    "NO3": 18.28 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0724, 59.6991] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 115,
    "stn_id": "AHC5",
    "water_depth": 208,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "0153",
    "depth": 100.0,
    "PO4": 1.6,
    "SiOH4": 20.57,
    "NO3_NO2": 21.29,
    "NO2": 0.19,
    "NH4": 0.06,
    "NO3": 21.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0724, 59.6991] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 115,
    "stn_id": "AHC5",
    "water_depth": 208,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "0153",
    "depth": 125.0,
    "PO4": 1.69,
    "SiOH4": 21.4,
    "NO3_NO2": 23.04,
    "NO2": 0.18,
    "NH4": 0.01,
    "NO3": 22.86 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0724, 59.6991] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 115,
    "stn_id": "AHC5",
    "water_depth": 208,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "0153",
    "depth": 150.0,
    "PO4": 1.75,
    "SiOH4": 22.13,
    "NO3_NO2": 24.19,
    "NO2": 0.12,
    "NH4": 0.06,
    "NO3": 24.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0724, 59.6991] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 115,
    "stn_id": "AHC5",
    "water_depth": 208,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "0153",
    "depth": 175.0,
    "PO4": 1.86,
    "SiOH4": 24.67,
    "NO3_NO2": 26.78,
    "NO2": 0.08,
    "NH4": 0.08,
    "NO3": 26.7 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.0724, 59.6991] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 115,
    "stn_id": "AHC5",
    "water_depth": 208,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "0153",
    "depth": 205.0,
    "PO4": 2.61,
    "SiOH4": null,
    "NO3_NO2": 41.0,
    "NO2": 0.12,
    "NH4": 0.14,
    "NO3": 40.88 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8169, 59.7406] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 116,
    "stn_id": "CCSE",
    "water_depth": 65,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "1516",
    "depth": 0.0,
    "PO4": 0.35,
    "SiOH4": 0.37,
    "NO3_NO2": 0.1,
    "NO2": 0.0,
    "NH4": 0.09,
    "NO3": 0.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8169, 59.7406] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 116,
    "stn_id": "CCSE",
    "water_depth": 65,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "1516",
    "depth": 10.0,
    "PO4": 0.24,
    "SiOH4": 1.01,
    "NO3_NO2": 0.1,
    "NO2": 0.0,
    "NH4": 0.1,
    "NO3": 0.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8169, 59.7406] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 116,
    "stn_id": "CCSE",
    "water_depth": 65,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "1516",
    "depth": 20.0,
    "PO4": 0.87,
    "SiOH4": 7.02,
    "NO3_NO2": 4.16,
    "NO2": 0.09,
    "NH4": 0.18,
    "NO3": 4.07 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8169, 59.7406] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 116,
    "stn_id": "CCSE",
    "water_depth": 65,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "1516",
    "depth": 30.0,
    "PO4": 1.26,
    "SiOH4": 10.91,
    "NO3_NO2": 9.5,
    "NO2": 0.19,
    "NH4": 0.47,
    "NO3": 9.31 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8169, 59.7406] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 116,
    "stn_id": "CCSE",
    "water_depth": 65,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "1516",
    "depth": 40.0,
    "PO4": 1.69,
    "SiOH4": 16.96,
    "NO3_NO2": 15.02,
    "NO2": 0.26,
    "NH4": 0.74,
    "NO3": 14.76 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8169, 59.7406] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 116,
    "stn_id": "CCSE",
    "water_depth": 65,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "1516",
    "depth": 50.0,
    "PO4": 1.78,
    "SiOH4": 19.37,
    "NO3_NO2": 16.58,
    "NO2": 0.26,
    "NH4": 1.0,
    "NO3": 16.32 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.8169, 59.7406] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 116,
    "stn_id": "CCSE",
    "water_depth": 65,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "1516",
    "depth": 63.0,
    "PO4": 1.88,
    "SiOH4": 21.56,
    "NO3_NO2": 18.35,
    "NO2": 0.27,
    "NH4": 1.19,
    "NO3": 18.08 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7284, 59.6663] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 117,
    "stn_id": "CCSE2",
    "water_depth": 113,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "1559",
    "depth": 0.0,
    "PO4": 0.31,
    "SiOH4": 1.97,
    "NO3_NO2": 0.1,
    "NO2": 0.0,
    "NH4": 0.07,
    "NO3": 0.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7284, 59.6663] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 117,
    "stn_id": "CCSE2",
    "water_depth": 113,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "1559",
    "depth": 4.0,
    "PO4": 0.24,
    "SiOH4": 1.65,
    "NO3_NO2": 0.1,
    "NO2": 0.0,
    "NH4": 0.01,
    "NO3": 0.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7284, 59.6663] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 117,
    "stn_id": "CCSE2",
    "water_depth": 113,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "1559",
    "depth": 7.0,
    "PO4": 0.27,
    "SiOH4": 2.73,
    "NO3_NO2": 0.1,
    "NO2": 0.0,
    "NH4": 0.01,
    "NO3": 0.1 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7284, 59.6663] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 117,
    "stn_id": "CCSE2",
    "water_depth": 113,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "1559",
    "depth": 13.0,
    "PO4": 0.72,
    "SiOH4": 9.53,
    "NO3_NO2": 2.77,
    "NO2": 0.06,
    "NH4": 0.28,
    "NO3": 2.71 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7284, 59.6663] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 117,
    "stn_id": "CCSE2",
    "water_depth": 113,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "1559",
    "depth": 18.0,
    "PO4": 1.17,
    "SiOH4": 13.87,
    "NO3_NO2": 9.47,
    "NO2": 0.22,
    "NH4": 0.57,
    "NO3": 9.25 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7284, 59.6663] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 117,
    "stn_id": "CCSE2",
    "water_depth": 113,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "1559",
    "depth": 28.0,
    "PO4": 1.65,
    "SiOH4": 16.45,
    "NO3_NO2": 13.66,
    "NO2": 0.24,
    "NH4": 1.51,
    "NO3": 13.42 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7445, 59.6632] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 118,
    "stn_id": "CCSE2",
    "water_depth": 110,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "1626",
    "depth": 0.0,
    "PO4": 0.54,
    "SiOH4": 2.95,
    "NO3_NO2": 0.05,
    "NO2": 0.0,
    "NH4": 0.06,
    "NO3": 0.05 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7445, 59.6632] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 118,
    "stn_id": "CCSE2",
    "water_depth": 110,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "1626",
    "depth": 10.0,
    "PO4": 0.87,
    "SiOH4": 8.66,
    "NO3_NO2": 2.51,
    "NO2": 0.12,
    "NH4": 0.21,
    "NO3": 2.39 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7445, 59.6632] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 118,
    "stn_id": "CCSE2",
    "water_depth": 110,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "1626",
    "depth": 20.0,
    "PO4": 1.4,
    "SiOH4": 14.33,
    "NO3_NO2": 9.4,
    "NO2": 0.25,
    "NH4": 0.86,
    "NO3": 9.15 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7445, 59.6632] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 118,
    "stn_id": "CCSE2",
    "water_depth": 110,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "1626",
    "depth": 30.0,
    "PO4": 1.59,
    "SiOH4": 16.28,
    "NO3_NO2": 11.84,
    "NO2": 0.3,
    "NH4": 1.39,
    "NO3": 11.54 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7445, 59.6632] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 118,
    "stn_id": "CCSE2",
    "water_depth": 110,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "1626",
    "depth": 40.0,
    "PO4": 1.74,
    "SiOH4": 18.13,
    "NO3_NO2": 13.81,
    "NO2": 0.29,
    "NH4": 1.32,
    "NO3": 13.52 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7445, 59.6632] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 118,
    "stn_id": "CCSE2",
    "water_depth": 110,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "1626",
    "depth": 50.0,
    "PO4": 1.96,
    "SiOH4": 20.94,
    "NO3_NO2": 16.81,
    "NO2": 0.21,
    "NH4": 1.47,
    "NO3": 16.6 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7445, 59.6632] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 118,
    "stn_id": "CCSE2",
    "water_depth": 110,
    "month_gmt": "07",
    "day_gmt": "07",
    "time_gmt": "1626",
    "depth": 75.0,
    "PO4": 1.97,
    "SiOH4": 22.32,
    "NO3_NO2": 19.29,
    "NO2": 0.23,
    "NH4": 1.02,
    "NO3": 19.06 }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-147.7445, 59.6632] },
  "properties": {
    "cruise_id": "HX246",
    "ship": "Alpha_Helix",
    "year": 2001,
    "stn_no": 118,
    "stn_id": "CCSE2",
    "w