{
  "type": "FeatureCollection",
  "propertyNames": ["Collection_Method", "Alvin_Dive_Number", "Cast", "depth", "Core_Number", "time", "Sample_Volume", "Ra223_Activity", "Ra223_Unc", "Ra224_Activity", "Ra224_Unc", "Ra226_Activity", "Ra226_Unc", "Ra228_Activity", "Ra228_Unc"],
  "propertyUnits": ["unitless", "unitless", "unitless", "m", "unitless", "UTC", "liters (L)", "dpm/100L", "dpm/100L", "dpm/100L", "dpm/100L", "dpm/100L", "dpm/100L", "dpm/100L", "dpm/100L"],
  "features": [
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.4087, 27.007295] },
  "properties": {
    "Collection_Method": "Alvin_Slurp",
    "Alvin_Dive_Number": 4862,
    "Cast": null,
    "depth": null,
    "Core_Number": null,
    "time": "2016-12-12T21:50:00Z",
    "Sample_Volume": 7.9,
    "Ra223_Activity": "6.437",
    "Ra223_Unc": "1.561",
    "Ra224_Activity": "98.263",
    "Ra224_Unc": "6.202",
    "Ra226_Activity": 49.971,
    "Ra226_Unc": 2.918,
    "Ra228_Activity": "3.991",
    "Ra228_Unc": "0.185" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.681461, 27.506183] },
  "properties": {
    "Collection_Method": "Alvin_Slurp",
    "Alvin_Dive_Number": 4864,
    "Cast": null,
    "depth": null,
    "Core_Number": null,
    "time": "2016-12-15T22:16:00Z",
    "Sample_Volume": 4.28,
    "Ra223_Activity": "35.399",
    "Ra223_Unc": "5.900",
    "Ra224_Activity": "112.899",
    "Ra224_Unc": "8.736",
    "Ra226_Activity": 433.169,
    "Ra226_Unc": 9.461,
    "Ra228_Activity": "32.253",
    "Ra228_Unc": "1.148" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.681819, 27.509165] },
  "properties": {
    "Collection_Method": "Alvin_Slurp",
    "Alvin_Dive_Number": 4865,
    "Cast": null,
    "depth": null,
    "Core_Number": null,
    "time": "2016-12-16T18:48:00Z",
    "Sample_Volume": 6.54,
    "Ra223_Activity": "3.125",
    "Ra223_Unc": "0.717",
    "Ra224_Activity": "14.575",
    "Ra224_Unc": "1.390",
    "Ra226_Activity": 64.396,
    "Ra226_Unc": 3.428,
    "Ra228_Activity": "1.740",
    "Ra228_Unc": "0.130" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.409584, 27.006628] },
  "properties": {
    "Collection_Method": "Alvin_Slurp",
    "Alvin_Dive_Number": 4868,
    "Cast": null,
    "depth": null,
    "Core_Number": null,
    "time": "2016-12-19T18:00:00Z",
    "Sample_Volume": 6.87,
    "Ra223_Activity": "65.662",
    "Ra223_Unc": "5.827",
    "Ra224_Activity": "1293.041",
    "Ra224_Unc": "24.959",
    "Ra226_Activity": 421.385,
    "Ra226_Unc": 7.488,
    "Ra228_Activity": "164.322",
    "Ra228_Unc": "4.986" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.406886, 27.011329] },
  "properties": {
    "Collection_Method": "Alvin_Slurp",
    "Alvin_Dive_Number": 4872,
    "Cast": null,
    "depth": null,
    "Core_Number": null,
    "time": "2016-12-24T22:20:00Z",
    "Sample_Volume": 5.18,
    "Ra223_Activity": "32.548",
    "Ra223_Unc": "5.083",
    "Ra224_Activity": "1092.426",
    "Ra224_Unc": "33.257",
    "Ra226_Activity": 172.315,
    "Ra226_Unc": 5.65,
    "Ra228_Activity": "63.445",
    "Ra228_Unc": "3.126" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.408735, 27.007387] },
  "properties": {
    "Collection_Method": "Alvin_Niskins",
    "Alvin_Dive_Number": 4861,
    "Cast": null,
    "depth": null,
    "Core_Number": null,
    "time": "2016-12-12T20:06:00Z",
    "Sample_Volume": 4.0,
    "Ra223_Activity": "BD",
    "Ra223_Unc": "BD",
    "Ra224_Activity": "4.074",
    "Ra224_Unc": "0.601",
    "Ra226_Activity": 63.525,
    "Ra226_Unc": 5.466,
    "Ra228_Activity": "0.691",
    "Ra228_Unc": "0.083" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.409436, 27.007202] },
  "properties": {
    "Collection_Method": "Alvin_Niskins",
    "Alvin_Dive_Number": 4862,
    "Cast": null,
    "depth": null,
    "Core_Number": null,
    "time": "2016-12-13T17:05:00Z",
    "Sample_Volume": 5.64,
    "Ra223_Activity": "0.657",
    "Ra223_Unc": "0.248",
    "Ra224_Activity": "9.631",
    "Ra224_Unc": "0.958",
    "Ra226_Activity": 57.378,
    "Ra226_Unc": 4.319,
    "Ra228_Activity": "1.529",
    "Ra228_Unc": "0.126" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.681488, 27.506325] },
  "properties": {
    "Collection_Method": "Alvin_Niskins",
    "Alvin_Dive_Number": 4864,
    "Cast": null,
    "depth": null,
    "Core_Number": null,
    "time": "2016-12-15T21:13:00Z",
    "Sample_Volume": 5.61,
    "Ra223_Activity": "3.631",
    "Ra223_Unc": "1.372",
    "Ra224_Activity": "23.915",
    "Ra224_Unc": "2.549",
    "Ra226_Activity": 55.168,
    "Ra226_Unc": 3.832,
    "Ra228_Activity": "18.046",
    "Ra228_Unc": "1.296" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.473446, 27.469606] },
  "properties": {
    "Collection_Method": "Alvin_Niskins",
    "Alvin_Dive_Number": 4866,
    "Cast": null,
    "depth": null,
    "Core_Number": null,
    "time": "2016-12-17T18:30:00Z",
    "Sample_Volume": 5.225,
    "Ra223_Activity": "0.593",
    "Ra223_Unc": "0.179",
    "Ra224_Activity": "3.707",
    "Ra224_Unc": "0.353",
    "Ra226_Activity": 53.73,
    "Ra226_Unc": 4.133,
    "Ra228_Activity": "0.210",
    "Ra228_Unc": "0.028" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.409507, 27.006592] },
  "properties": {
    "Collection_Method": "Alvin_Niskins",
    "Alvin_Dive_Number": 4868,
    "Cast": null,
    "depth": null,
    "Core_Number": null,
    "time": "2016-12-19T18:22:00Z",
    "Sample_Volume": 2.39,
    "Ra223_Activity": "9.175",
    "Ra223_Unc": "2.545",
    "Ra224_Activity": "435.001",
    "Ra224_Unc": "24.092",
    "Ra226_Activity": 148.003,
    "Ra226_Unc": 9.247,
    "Ra228_Activity": "28.519",
    "Ra228_Unc": "0.904" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.403859, 27.011773] },
  "properties": {
    "Collection_Method": "Alvin_Niskins",
    "Alvin_Dive_Number": 4870,
    "Cast": null,
    "depth": null,
    "Core_Number": null,
    "time": "2016-12-22T20:15:00Z",
    "Sample_Volume": 2.33,
    "Ra223_Activity": "BD",
    "Ra223_Unc": "BD",
    "Ra224_Activity": "BD",
    "Ra224_Unc": "BD",
    "Ra226_Activity": 82.0,
    "Ra226_Unc": 11.307,
    "Ra228_Activity": "28.519",
    "Ra228_Unc": "0.904" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.404468, 27.011391] },
  "properties": {
    "Collection_Method": "Alvin_Niskins",
    "Alvin_Dive_Number": 4872,
    "Cast": null,
    "depth": null,
    "Core_Number": null,
    "time": "2016-12-24T20:00:00Z",
    "Sample_Volume": 4.74,
    "Ra223_Activity": "BD",
    "Ra223_Unc": "BD",
    "Ra224_Activity": "64.439",
    "Ra224_Unc": "4.240",
    "Ra226_Activity": 87.66,
    "Ra226_Unc": 5.415,
    "Ra228_Activity": "3.553",
    "Ra228_Unc": "0.178" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.408738, 27.007378] },
  "properties": {
    "Collection_Method": "Core_top_waters",
    "Alvin_Dive_Number": 4861,
    "Cast": null,
    "depth": null,
    "Core_Number": 29,
    "time": "2016-12-13T00:32:00Z",
    "Sample_Volume": 0.58,
    "Ra223_Activity": "BD",
    "Ra223_Unc": "BD",
    "Ra224_Activity": "185.909",
    "Ra224_Unc": "17.646",
    "Ra226_Activity": 281.589,
    "Ra226_Unc": 53.179,
    "Ra228_Activity": "11.921",
    "Ra228_Unc": "1.132" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.408718, 27.0074] },
  "properties": {
    "Collection_Method": "Core_top_waters",
    "Alvin_Dive_Number": 4861,
    "Cast": null,
    "depth": null,
    "Core_Number": 21,
    "time": "2016-12-13T00:47:00Z",
    "Sample_Volume": 0.2,
    "Ra223_Activity": "BD",
    "Ra223_Unc": "BD",
    "Ra224_Activity": "449.388",
    "Ra224_Unc": "44.716",
    "Ra226_Activity": 814.345,
    "Ra226_Unc": 112.381,
    "Ra228_Activity": "3.523",
    "Ra228_Unc": "0.334" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.408738, 27.007407] },
  "properties": {
    "Collection_Method": "Core_top_waters",
    "Alvin_Dive_Number": 4861,
    "Cast": null,
    "depth": null,
    "Core_Number": 12,
    "time": "2016-12-13T02:33:00Z",
    "Sample_Volume": 0.17,
    "Ra223_Activity": "BD",
    "Ra223_Unc": "BD",
    "Ra224_Activity": "624.282",
    "Ra224_Unc": "60.636",
    "Ra226_Activity": 862.481,
    "Ra226_Unc": 206.816,
    "Ra228_Activity": "3.226",
    "Ra228_Unc": "0.333" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.409869, 27.007374] },
  "properties": {
    "Collection_Method": "Core_top_waters",
    "Alvin_Dive_Number": 4862,
    "Cast": null,
    "depth": null,
    "Core_Number": 29,
    "time": "2016-12-14T01:05:00Z",
    "Sample_Volume": 0.57,
    "Ra223_Activity": "9.928",
    "Ra223_Unc": "2.866",
    "Ra224_Activity": "31.121",
    "Ra224_Unc": "3.479",
    "Ra226_Activity": 311.209,
    "Ra226_Unc": 39.933,
    "Ra228_Activity": "4.944",
    "Ra228_Unc": "0.449" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.409275, 27.007726] },
  "properties": {
    "Collection_Method": "Core_top_waters",
    "Alvin_Dive_Number": 4862,
    "Cast": null,
    "depth": null,
    "Core_Number": 27,
    "time": "2016-12-13T21:40:00Z",
    "Sample_Volume": 0.68,
    "Ra223_Activity": "BD",
    "Ra223_Unc": "BD",
    "Ra224_Activity": "8.457",
    "Ra224_Unc": "0.854",
    "Ra226_Activity": 254.689,
    "Ra226_Unc": 41.919,
    "Ra228_Activity": "72.259",
    "Ra228_Unc": "2.405" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.409496, 27.007572] },
  "properties": {
    "Collection_Method": "Core_top_waters",
    "Alvin_Dive_Number": 4862,
    "Cast": null,
    "depth": null,
    "Core_Number": 6,
    "time": "2016-12-13T21:00:00Z",
    "Sample_Volume": 0.21,
    "Ra223_Activity": "60.246",
    "Ra223_Unc": "20.082",
    "Ra224_Activity": "676.191",
    "Ra224_Unc": "67.619",
    "Ra226_Activity": 661.884,
    "Ra226_Unc": 125.169,
    "Ra228_Activity": "3.206",
    "Ra228_Unc": "0.242" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.681563, 27.506221] },
  "properties": {
    "Collection_Method": "Core_top_waters",
    "Alvin_Dive_Number": 4864,
    "Cast": null,
    "depth": null,
    "Core_Number": 16,
    "time": "2016-12-16T02:22:00Z",
    "Sample_Volume": 0.8,
    "Ra223_Activity": "2.160",
    "Ra223_Unc": "0.816",
    "Ra224_Activity": "17.158",
    "Ra224_Unc": "1.666",
    "Ra226_Activity": 204.43,
    "Ra226_Unc": 32.306,
    "Ra228_Activity": "0.365",
    "Ra228_Unc": "0.041" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.681563, 27.506221] },
  "properties": {
    "Collection_Method": "Core_top_waters",
    "Alvin_Dive_Number": 4864,
    "Cast": null,
    "depth": null,
    "Core_Number": 4,
    "time": "2016-12-16T00:28:00Z",
    "Sample_Volume": 0.22,
    "Ra223_Activity": "5.697",
    "Ra223_Unc": "2.548",
    "Ra224_Activity": "47.907",
    "Ra224_Unc": "5.532",
    "Ra226_Activity": 713.84,
    "Ra226_Unc": 124.407,
    "Ra228_Activity": "6.772",
    "Ra228_Unc": "0.674" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.473356, 27.469609] },
  "properties": {
    "Collection_Method": "Core_top_waters",
    "Alvin_Dive_Number": 4866,
    "Cast": null,
    "depth": null,
    "Core_Number": 12,
    "time": "2016-12-18T00:18:00Z",
    "Sample_Volume": 0.51,
    "Ra223_Activity": "BD",
    "Ra223_Unc": "BD",
    "Ra224_Activity": "342.326",
    "Ra224_Unc": "27.766",
    "Ra226_Activity": 288.034,
    "Ra226_Unc": 59.279,
    "Ra228_Activity": "8.610",
    "Ra228_Unc": "1.008" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.408695, 27.007296] },
  "properties": {
    "Collection_Method": "Core_top_waters",
    "Alvin_Dive_Number": 4868,
    "Cast": null,
    "depth": null,
    "Core_Number": 13,
    "time": "2016-12-20T01:08:00Z",
    "Sample_Volume": 0.34,
    "Ra223_Activity": "BD",
    "Ra223_Unc": "BD",
    "Ra224_Activity": "51.723",
    "Ra224_Unc": "5.856",
    "Ra226_Activity": 338.636,
    "Ra226_Unc": 156.396,
    "Ra228_Activity": "9.102",
    "Ra228_Unc": "1.129" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.408695, 27.007296] },
  "properties": {
    "Collection_Method": "Core_top_waters",
    "Alvin_Dive_Number": 4868,
    "Cast": null,
    "depth": null,
    "Core_Number": 9,
    "time": "2016-12-20T00:32:00Z",
    "Sample_Volume": 0.19,
    "Ra223_Activity": "BD",
    "Ra223_Unc": "BD",
    "Ra224_Activity": "193.198",
    "Ra224_Unc": "16.880",
    "Ra226_Activity": 703.699,
    "Ra226_Unc": 386.571,
    "Ra228_Activity": "10.169",
    "Ra228_Unc": "1.291" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.408695, 27.007296] },
  "properties": {
    "Collection_Method": "Core_top_waters",
    "Alvin_Dive_Number": 4868,
    "Cast": null,
    "depth": null,
    "Core_Number": 18,
    "time": "2016-12-20T00:10:00Z",
    "Sample_Volume": 0.15,
    "Ra223_Activity": "11.716",
    "Ra223_Unc": "3.905",
    "Ra224_Activity": "243.657",
    "Ra224_Unc": "19.203",
    "Ra226_Activity": 825.95,
    "Ra226_Unc": 437.268,
    "Ra228_Activity": "10.941",
    "Ra228_Unc": "1.668" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.408999, 27.007506] },
  "properties": {
    "Collection_Method": "Core_top_waters",
    "Alvin_Dive_Number": 4869,
    "Cast": null,
    "depth": null,
    "Core_Number": 19,
    "time": "2016-12-22T00:52:00Z",
    "Sample_Volume": 0.09,
    "Ra223_Activity": "51.111",
    "Ra223_Unc": "12.778",
    "Ra224_Activity": "2920.047",
    "Ra224_Unc": "140.167",
    "Ra226_Activity": 1321.792,
    "Ra226_Unc": 616.836,
    "Ra228_Activity": "BD",
    "Ra228_Unc": "BD" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.408999, 27.007506] },
  "properties": {
    "Collection_Method": "Core_top_waters",
    "Alvin_Dive_Number": 4869,
    "Cast": null,
    "depth": null,
    "Core_Number": 1,
    "time": "2016-12-21T13:47:00Z",
    "Sample_Volume": 0.36,
    "Ra223_Activity": "BD",
    "Ra223_Unc": "BD",
    "Ra224_Activity": "313.401",
    "Ra224_Unc": "29.747",
    "Ra226_Activity": 395.711,
    "Ra226_Unc": 123.205,
    "Ra228_Activity": "BD",
    "Ra228_Unc": "BD" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.406898, 27.011445] },
  "properties": {
    "Collection_Method": "Core_top_waters",
    "Alvin_Dive_Number": 4870,
    "Cast": null,
    "depth": null,
    "Core_Number": 9,
    "time": "2016-12-23T01:37:00Z",
    "Sample_Volume": 0.3,
    "Ra223_Activity": "45.333",
    "Ra223_Unc": "18.507",
    "Ra224_Activity": "993.394",
    "Ra224_Unc": "97.882",
    "Ra226_Activity": 450.683,
    "Ra226_Unc": 101.075,
    "Ra228_Activity": "12.639",
    "Ra228_Unc": "1.264" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.384689, 27.044401] },
  "properties": {
    "Collection_Method": "Core_top_waters",
    "Alvin_Dive_Number": 4871,
    "Cast": null,
    "depth": null,
    "Core_Number": 25,
    "time": "2016-12-23T23:12:00Z",
    "Sample_Volume": 0.22,
    "Ra223_Activity": "BD",
    "Ra223_Unc": "BD",
    "Ra224_Activity": "218.068",
    "Ra224_Unc": "21.807",
    "Ra226_Activity": 707.854,
    "Ra226_Unc": 130.573,
    "Ra228_Activity": "23.213",
    "Ra228_Unc": "2.244" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.681563, 27.506221] },
  "properties": {
    "Collection_Method": "Core_top_waters",
    "Alvin_Dive_Number": 4871,
    "Cast": null,
    "depth": null,
    "Core_Number": 11,
    "time": "2016-12-24T00:00:00Z",
    "Sample_Volume": 0.09,
    "Ra223_Activity": "BD",
    "Ra223_Unc": "BD",
    "Ra224_Activity": "1513.354",
    "Ra224_Unc": "151.335",
    "Ra226_Activity": 1838.422,
    "Ra226_Unc": 309.453,
    "Ra228_Activity": "17.817",
    "Ra228_Unc": "2.114" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.681563, 27.506221] },
  "properties": {
    "Collection_Method": "Core_top_waters",
    "Alvin_Dive_Number": 4871,
    "Cast": null,
    "depth": null,
    "Core_Number": 9,
    "time": "2016-12-23T23:16:00Z",
    "Sample_Volume": 0.34,
    "Ra223_Activity": "BD",
    "Ra223_Unc": "BD",
    "Ra224_Activity": "302.667",
    "Ra224_Unc": "30.116",
    "Ra226_Activity": 456.261,
    "Ra226_Unc": 100.155,
    "Ra228_Activity": "13.596",
    "Ra228_Unc": "1.466" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.404432, 27.011393] },
  "properties": {
    "Collection_Method": "Core_top_waters",
    "Alvin_Dive_Number": 4872,
    "Cast": null,
    "depth": null,
    "Core_Number": 15,
    "time": "2016-12-24T23:48:00Z",
    "Sample_Volume": 0.51,
    "Ra223_Activity": "BD",
    "Ra223_Unc": "BD",
    "Ra224_Activity": "132.572",
    "Ra224_Unc": "13.063",
    "Ra226_Activity": 256.702,
    "Ra226_Unc": 58.113,
    "Ra228_Activity": "3.969",
    "Ra228_Unc": "0.512" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.404432, 27.011393] },
  "properties": {
    "Collection_Method": "Core_top_waters",
    "Alvin_Dive_Number": 4872,
    "Cast": null,
    "depth": null,
    "Core_Number": 3,
    "time": "2016-12-25T00:01:00Z",
    "Sample_Volume": 0.12,
    "Ra223_Activity": "BD",
    "Ra223_Unc": "BD",
    "Ra224_Activity": "325.080",
    "Ra224_Unc": "27.875",
    "Ra226_Activity": 1134.609,
    "Ra226_Unc": 260.008,
    "Ra228_Activity": "13.352",
    "Ra228_Unc": "1.512" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.404432, 27.011393] },
  "properties": {
    "Collection_Method": "Core_top_waters",
    "Alvin_Dive_Number": 4872,
    "Cast": null,
    "depth": null,
    "Core_Number": 2,
    "time": "2016-12-25T00:08:00Z",
    "Sample_Volume": 0.155,
    "Ra223_Activity": "BD",
    "Ra223_Unc": "BD",
    "Ra224_Activity": "265.165",
    "Ra224_Unc": "26.786",
    "Ra226_Activity": 762.121,
    "Ra226_Unc": 161.883,
    "Ra228_Activity": "24.264",
    "Ra228_Unc": "3.057" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.406683, 27.0108] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 1,
    "depth": 2000.0,
    "Core_Number": null,
    "time": "2016-12-12T06:42:00Z",
    "Sample_Volume": 28.5,
    "Ra223_Activity": "BD",
    "Ra223_Unc": "BD",
    "Ra224_Activity": "1.764",
    "Ra224_Unc": "0.175",
    "Ra226_Activity": 34.23,
    "Ra226_Unc": 1.111,
    "Ra228_Activity": "0.804",
    "Ra228_Unc": "0.047" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.406683, 27.0108] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 1,
    "depth": 1975.0,
    "Core_Number": null,
    "time": "2016-12-12T06:45:00Z",
    "Sample_Volume": 28.5,
    "Ra223_Activity": "0.308",
    "Ra223_Unc": "0.126",
    "Ra224_Activity": "5.714",
    "Ra224_Unc": "0.571",
    "Ra226_Activity": 31.595,
    "Ra226_Unc": 1.08,
    "Ra228_Activity": "1.322",
    "Ra228_Unc": "0.070" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.406683, 27.0108] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 1,
    "depth": 1960.0,
    "Core_Number": null,
    "time": "2016-12-12T06:50:00Z",
    "Sample_Volume": 28.5,
    "Ra223_Activity": "0.328",
    "Ra223_Unc": "0.068",
    "Ra224_Activity": "7.492",
    "Ra224_Unc": "0.360",
    "Ra226_Activity": 34.875,
    "Ra226_Unc": 1.072,
    "Ra228_Activity": "1.880",
    "Ra228_Unc": "0.088" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.406683, 27.0108] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 1,
    "depth": 1923.0,
    "Core_Number": null,
    "time": "2016-12-12T06:54:00Z",
    "Sample_Volume": 28.5,
    "Ra223_Activity": "0.254",
    "Ra223_Unc": "0.090",
    "Ra224_Activity": "2.468",
    "Ra224_Unc": "0.244",
    "Ra226_Activity": 25.656,
    "Ra226_Unc": 0.941,
    "Ra228_Activity": "0.747",
    "Ra228_Unc": "0.039" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.406683, 27.0108] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 1,
    "depth": 1850.0,
    "Core_Number": null,
    "time": "2016-12-12T06:59:00Z",
    "Sample_Volume": 28.5,
    "Ra223_Activity": "BD",
    "Ra223_Unc": "BD",
    "Ra224_Activity": "1.645",
    "Ra224_Unc": "0.165",
    "Ra226_Activity": 30.059,
    "Ra226_Unc": 1.027,
    "Ra228_Activity": "0.914",
    "Ra228_Unc": "0.043" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.406683, 27.0108] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 1,
    "depth": 1720.0,
    "Core_Number": null,
    "time": "2016-12-12T07:04:00Z",
    "Sample_Volume": 28.5,
    "Ra223_Activity": "0.076",
    "Ra223_Unc": "0.027",
    "Ra224_Activity": "0.600",
    "Ra224_Unc": "0.051",
    "Ra226_Activity": 26.195,
    "Ra226_Unc": 0.985,
    "Ra228_Activity": "0.621",
    "Ra228_Unc": "0.031" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.406683, 27.0108] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 1,
    "depth": 1500.0,
    "Core_Number": null,
    "time": "2016-12-12T07:10:00Z",
    "Sample_Volume": 28.5,
    "Ra223_Activity": "BD",
    "Ra223_Unc": "BD",
    "Ra224_Activity": "2.386",
    "Ra224_Unc": "0.220",
    "Ra226_Activity": 33.531,
    "Ra226_Unc": 1.226,
    "Ra228_Activity": "0.355",
    "Ra228_Unc": "0.022" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.406683, 27.0108] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 1,
    "depth": 600.0,
    "Core_Number": null,
    "time": "2016-12-12T07:29:00Z",
    "Sample_Volume": 19.0,
    "Ra223_Activity": "BD",
    "Ra223_Unc": "BD",
    "Ra224_Activity": "0.831",
    "Ra224_Unc": "0.079",
    "Ra226_Activity": 21.284,
    "Ra226_Unc": 1.248,
    "Ra228_Activity": "0.099",
    "Ra228_Unc": "0.012" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.39225, 27.0390167] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 2,
    "depth": 1996.0,
    "Core_Number": null,
    "time": "2016-12-13T07:55:00Z",
    "Sample_Volume": 39.0,
    "Ra223_Activity": "0.163",
    "Ra223_Unc": "0.054",
    "Ra224_Activity": "0.954",
    "Ra224_Unc": "0.095",
    "Ra226_Activity": 34.922,
    "Ra226_Unc": 0.989,
    "Ra228_Activity": "0.946",
    "Ra228_Unc": "0.039" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.39225, 27.0390167] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 2,
    "depth": 1971.0,
    "Core_Number": null,
    "time": "2016-12-13T08:00:00Z",
    "Sample_Volume": 39.0,
    "Ra223_Activity": "0.543",
    "Ra223_Unc": "0.116",
    "Ra224_Activity": "1.373",
    "Ra224_Unc": "0.137",
    "Ra226_Activity": 28.988,
    "Ra226_Unc": 0.907,
    "Ra228_Activity": "0.918",
    "Ra228_Unc": "0.039" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.39225, 27.0390167] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 2,
    "depth": 1890.0,
    "Core_Number": null,
    "time": "2016-12-13T08:05:00Z",
    "Sample_Volume": 39.0,
    "Ra223_Activity": "0.258",
    "Ra223_Unc": "0.075",
    "Ra224_Activity": "0.884",
    "Ra224_Unc": "0.089",
    "Ra226_Activity": 42.084,
    "Ra226_Unc": 1.208,
    "Ra228_Activity": "1.066",
    "Ra228_Unc": "0.045" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.39225, 27.0390167] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 2,
    "depth": 1744.0,
    "Core_Number": null,
    "time": "2016-12-13T08:10:00Z",
    "Sample_Volume": 39.0,
    "Ra223_Activity": "0.122",
    "Ra223_Unc": "0.043",
    "Ra224_Activity": "1.107",
    "Ra224_Unc": "0.111",
    "Ra226_Activity": 34.776,
    "Ra226_Unc": 0.91,
    "Ra228_Activity": "0.956",
    "Ra228_Unc": "0.040" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.39225, 27.0390167] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 2,
    "depth": 1642.0,
    "Core_Number": null,
    "time": "2016-12-13T08:15:00Z",
    "Sample_Volume": 39.0,
    "Ra223_Activity": "BD",
    "Ra223_Unc": "BD",
    "Ra224_Activity": "0.874",
    "Ra224_Unc": "0.087",
    "Ra226_Activity": 29.201,
    "Ra226_Unc": 0.831,
    "Ra228_Activity": "0.573",
    "Ra228_Unc": "0.025" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.39225, 27.0390167] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 2,
    "depth": 1500.0,
    "Core_Number": null,
    "time": "2016-12-13T08:21:00Z",
    "Sample_Volume": 29.25,
    "Ra223_Activity": "BD",
    "Ra223_Unc": "BD",
    "Ra224_Activity": "1.153",
    "Ra224_Unc": "0.109",
    "Ra226_Activity": 32.036,
    "Ra226_Unc": 1.068,
    "Ra228_Activity": "0.714",
    "Ra228_Unc": "0.036" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.434167, 27.0316833] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 3,
    "depth": 1938.0,
    "Core_Number": null,
    "time": "2016-12-14T07:00:00Z",
    "Sample_Volume": 38.0,
    "Ra223_Activity": "0.100",
    "Ra223_Unc": "0.041",
    "Ra224_Activity": "0.999",
    "Ra224_Unc": "0.100",
    "Ra226_Activity": 34.461,
    "Ra226_Unc": 0.95,
    "Ra228_Activity": "0.735",
    "Ra228_Unc": "0.032" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.434167, 27.0316833] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 3,
    "depth": 1744.0,
    "Core_Number": null,
    "time": "2016-12-14T07:08:00Z",
    "Sample_Volume": 38.0,
    "Ra223_Activity": "BD",
    "Ra223_Unc": "BD",
    "Ra224_Activity": "0.190",
    "Ra224_Unc": "0.017",
    "Ra226_Activity": 29.012,
    "Ra226_Unc": 0.849,
    "Ra228_Activity": "0.871",
    "Ra228_Unc": "0.028" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.434167, 27.0316833] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 3,
    "depth": 1500.0,
    "Core_Number": null,
    "time": "2016-12-14T07:14:00Z",
    "Sample_Volume": 38.0,
    "Ra223_Activity": "0.125",
    "Ra223_Unc": "0.042",
    "Ra224_Activity": "0.501",
    "Ra224_Unc": "0.050",
    "Ra226_Activity": 31.616,
    "Ra226_Unc": 0.882,
    "Ra228_Activity": "0.687",
    "Ra228_Unc": "0.024" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.434167, 27.0316833] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 3,
    "depth": 500.0,
    "Core_Number": null,
    "time": "2016-12-14T07:35:00Z",
    "Sample_Volume": 47.5,
    "Ra223_Activity": "0.055",
    "Ra223_Unc": "0.023",
    "Ra224_Activity": "0.160",
    "Ra224_Unc": "0.020",
    "Ra226_Activity": 20.011,
    "Ra226_Unc": 0.731,
    "Ra228_Activity": "0.142",
    "Ra228_Unc": "0.008" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.434167, 27.0316833] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 3,
    "depth": 50.0,
    "Core_Number": null,
    "time": "2016-12-14T07:50:00Z",
    "Sample_Volume": 57.0,
    "Ra223_Activity": "BD",
    "Ra223_Unc": "BD",
    "Ra224_Activity": "0.052",
    "Ra224_Unc": "0.005",
    "Ra226_Activity": 11.968,
    "Ra226_Unc": 0.505,
    "Ra228_Activity": "1.959",
    "Ra228_Unc": "0.107" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.6801, 27.5071833] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 4,
    "depth": 1723.0,
    "Core_Number": null,
    "time": "2016-12-15T05:33:00Z",
    "Sample_Volume": 47.5,
    "Ra223_Activity": "0.152",
    "Ra223_Unc": "0.057",
    "Ra224_Activity": "1.488",
    "Ra224_Unc": "0.149",
    "Ra226_Activity": 31.757,
    "Ra226_Unc": 0.783,
    "Ra228_Activity": "0.706",
    "Ra228_Unc": "0.022" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.6801, 27.5071833] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 4,
    "depth": 1620.0,
    "Core_Number": null,
    "time": "2016-12-15T05:37:00Z",
    "Sample_Volume": 47.5,
    "Ra223_Activity": "0.096",
    "Ra223_Unc": "0.032",
    "Ra224_Activity": "0.179",
    "Ra224_Unc": "0.017",
    "Ra226_Activity": 26.884,
    "Ra226_Unc": 0.714,
    "Ra228_Activity": "0.591",
    "Ra228_Unc": "0.019" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.681633, 27.50915] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 5,
    "depth": 1722.0,
    "Core_Number": null,
    "time": "2016-12-16T08:10:00Z",
    "Sample_Volume": 38.0,
    "Ra223_Activity": "BD",
    "Ra223_Unc": "BD",
    "Ra224_Activity": "0.845",
    "Ra224_Unc": "0.063",
    "Ra226_Activity": 38.277,
    "Ra226_Unc": 1.109,
    "Ra228_Activity": "0.768",
    "Ra228_Unc": "0.026" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.681633, 27.50915] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 5,
    "depth": 1620.0,
    "Core_Number": null,
    "time": "2016-12-16T07:15:00Z",
    "Sample_Volume": 38.0,
    "Ra223_Activity": "BD",
    "Ra223_Unc": "BD",
    "Ra224_Activity": "BD",
    "Ra224_Unc": "BD",
    "Ra226_Activity": 32.238,
    "Ra226_Unc": 0.884,
    "Ra228_Activity": "0.405",
    "Ra228_Unc": "0.017" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.681633, 27.50915] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 5,
    "depth": 1500.0,
    "Core_Number": null,
    "time": "2016-12-16T06:40:00Z",
    "Sample_Volume": 47.5,
    "Ra223_Activity": "BD",
    "Ra223_Unc": "BD",
    "Ra224_Activity": "0.359",
    "Ra224_Unc": "0.029",
    "Ra226_Activity": 22.539,
    "Ra226_Unc": 0.657,
    "Ra228_Activity": "0.401",
    "Ra228_Unc": "0.019" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.681633, 27.50915] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 5,
    "depth": 600.0,
    "Core_Number": null,
    "time": "2016-12-16T06:27:00Z",
    "Sample_Volume": 66.5,
    "Ra223_Activity": "0.032",
    "Ra223_Unc": "0.013",
    "Ra224_Activity": "0.209",
    "Ra224_Unc": "0.021",
    "Ra226_Activity": 21.369,
    "Ra226_Unc": 0.606,
    "Ra228_Activity": "0.103",
    "Ra228_Unc": "0.007" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.473833, 27.4700167] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 6,
    "depth": 1821.0,
    "Core_Number": null,
    "time": "2016-12-17T22:09:00Z",
    "Sample_Volume": 49.0,
    "Ra223_Activity": "0.137",
    "Ra223_Unc": "0.043",
    "Ra224_Activity": "0.665",
    "Ra224_Unc": "0.061",
    "Ra226_Activity": 19.292,
    "Ra226_Unc": 0.642,
    "Ra228_Activity": "0.613",
    "Ra228_Unc": "0.028" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.473833, 27.4700167] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 6,
    "depth": 1765.0,
    "Core_Number": null,
    "time": "2016-12-17T22:16:00Z",
    "Sample_Volume": 49.0,
    "Ra223_Activity": "0.070",
    "Ra223_Unc": "0.018",
    "Ra224_Activity": "0.540",
    "Ra224_Unc": "0.035",
    "Ra226_Activity": 25.911,
    "Ra226_Unc": 0.695,
    "Ra228_Activity": "0.578",
    "Ra228_Unc": "0.024" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.473833, 27.4700167] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 6,
    "depth": 1590.0,
    "Core_Number": null,
    "time": "2016-12-17T22:23:00Z",
    "Sample_Volume": 49.0,
    "Ra223_Activity": "0.051",
    "Ra223_Unc": "0.015",
    "Ra224_Activity": "0.685",
    "Ra224_Unc": "0.043",
    "Ra226_Activity": 26.414,
    "Ra226_Unc": 0.691,
    "Ra228_Activity": "0.474",
    "Ra228_Unc": "0.021" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.473833, 27.4700167] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 6,
    "depth": 600.0,
    "Core_Number": null,
    "time": "2016-12-17T22:43:00Z",
    "Sample_Volume": 78.4,
    "Ra223_Activity": "BD",
    "Ra223_Unc": "BD",
    "Ra224_Activity": "0.529",
    "Ra224_Unc": "0.051",
    "Ra226_Activity": 18.28,
    "Ra226_Unc": 0.516,
    "Ra228_Activity": "0.088",
    "Ra228_Unc": "0.006" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.409517, 27.0066333] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 7,
    "depth": 1997.0,
    "Core_Number": null,
    "time": "2016-12-20T23:39:00Z",
    "Sample_Volume": 40.5,
    "Ra223_Activity": "0.156",
    "Ra223_Unc": "0.049",
    "Ra224_Activity": "0.957",
    "Ra224_Unc": "0.092",
    "Ra226_Activity": 31.322,
    "Ra226_Unc": 0.87,
    "Ra228_Activity": "0.816",
    "Ra228_Unc": "0.034" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.409517, 27.0066333] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 7,
    "depth": 1977.0,
    "Core_Number": null,
    "time": "2016-12-20T23:41:00Z",
    "Sample_Volume": 40.5,
    "Ra223_Activity": "0.046",
    "Ra223_Unc": "0.021",
    "Ra224_Activity": "0.616",
    "Ra224_Unc": "0.061",
    "Ra226_Activity": 28.297,
    "Ra226_Unc": 0.826,
    "Ra228_Activity": "0.769",
    "Ra228_Unc": "0.035" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.409517, 27.0066333] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 7,
    "depth": 1957.0,
    "Core_Number": null,
    "time": "2016-12-20T23:44:00Z",
    "Sample_Volume": 28.5,
    "Ra223_Activity": "BD",
    "Ra223_Unc": "BD",
    "Ra224_Activity": "1.480",
    "Ra224_Unc": "0.147",
    "Ra226_Activity": 38.4,
    "Ra226_Unc": 1.262,
    "Ra228_Activity": "0.847",
    "Ra228_Unc": "0.043" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.409517, 27.0066333] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 7,
    "depth": 1540.0,
    "Core_Number": null,
    "time": "2016-12-20T23:58:00Z",
    "Sample_Volume": 40.5,
    "Ra223_Activity": "BD",
    "Ra223_Unc": "BD",
    "Ra224_Activity": "0.742",
    "Ra224_Unc": "0.073",
    "Ra226_Activity": 27.439,
    "Ra226_Unc": 0.832,
    "Ra228_Activity": "0.477",
    "Ra228_Unc": "0.024" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.409833, 27.0067167] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 8,
    "depth": 1995.0,
    "Core_Number": null,
    "time": "2016-12-21T06:39:00Z",
    "Sample_Volume": 56.38,
    "Ra223_Activity": "0.320",
    "Ra223_Unc": "0.092",
    "Ra224_Activity": "1.795",
    "Ra224_Unc": "0.171",
    "Ra226_Activity": 29.034,
    "Ra226_Unc": 0.682,
    "Ra228_Activity": "0.693",
    "Ra228_Unc": "0.024" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.409833, 27.0067167] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 8,
    "depth": 1986.0,
    "Core_Number": null,
    "time": "2016-12-21T06:43:00Z",
    "Sample_Volume": 56.59,
    "Ra223_Activity": "0.353",
    "Ra223_Unc": "0.118",
    "Ra224_Activity": "11.586",
    "Ra224_Unc": "0.819",
    "Ra226_Activity": 30.126,
    "Ra226_Unc": 0.68,
    "Ra228_Activity": "0.876",
    "Ra228_Unc": "0.028" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.409833, 27.0067167] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 8,
    "depth": 1978.0,
    "Core_Number": null,
    "time": "2016-12-21T06:45:00Z",
    "Sample_Volume": 46.65,
    "Ra223_Activity": "0.792",
    "Ra223_Unc": "0.229",
    "Ra224_Activity": "32.817",
    "Ra224_Unc": "1.876",
    "Ra226_Activity": 40.487,
    "Ra226_Unc": 0.984,
    "Ra228_Activity": "2.861",
    "Ra228_Unc": "0.079" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.409833, 27.0067167] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 8,
    "depth": 1520.0,
    "Core_Number": null,
    "time": "2016-12-21T06:59:00Z",
    "Sample_Volume": 47.12,
    "Ra223_Activity": "0.068",
    "Ra223_Unc": "0.023",
    "Ra224_Activity": "0.193",
    "Ra224_Unc": "0.016",
    "Ra226_Activity": 29.558,
    "Ra226_Unc": 0.807,
    "Ra228_Activity": "0.334",
    "Ra228_Unc": "0.015" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.409617, 27.0066167] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 9,
    "depth": 1996.0,
    "Core_Number": null,
    "time": "2016-12-22T10:38:00Z",
    "Sample_Volume": 55.97,
    "Ra223_Activity": "0.074",
    "Ra223_Unc": "0.030",
    "Ra224_Activity": "0.670",
    "Ra224_Unc": "0.066",
    "Ra226_Activity": 31.376,
    "Ra226_Unc": 0.728,
    "Ra228_Activity": "0.602",
    "Ra228_Unc": "0.022" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.409617, 27.0066167] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 9,
    "depth": 1993.0,
    "Core_Number": null,
    "time": "2016-12-22T10:45:00Z",
    "Sample_Volume": 64.86,
    "Ra223_Activity": "BD",
    "Ra223_Unc": "BD",
    "Ra224_Activity": "BD",
    "Ra224_Unc": "BD",
    "Ra226_Activity": 26.229,
    "Ra226_Unc": 0.608,
    "Ra228_Activity": "-0.146",
    "Ra228_Unc": "-0.005" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.409617, 27.0066167] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 9,
    "depth": 1986.0,
    "Core_Number": null,
    "time": "2016-12-22T10:51:00Z",
    "Sample_Volume": 36.24,
    "Ra223_Activity": "0.439",
    "Ra223_Unc": "0.139",
    "Ra224_Activity": "31.472",
    "Ra224_Unc": "1.814",
    "Ra226_Activity": 50.103,
    "Ra226_Unc": 1.279,
    "Ra228_Activity": "1.797",
    "Ra228_Unc": "0.060" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.409617, 27.0066167] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 9,
    "depth": 1978.0,
    "Core_Number": null,
    "time": "2016-12-22T10:57:00Z",
    "Sample_Volume": 35.17,
    "Ra223_Activity": "0.345",
    "Ra223_Unc": "0.122",
    "Ra224_Activity": "3.621",
    "Ra224_Unc": "0.362",
    "Ra226_Activity": 36.685,
    "Ra226_Unc": 1.049,
    "Ra228_Activity": "0.598",
    "Ra228_Unc": "0.023" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.381717, 27.04605] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 10,
    "depth": 1967.0,
    "Core_Number": null,
    "time": "2016-12-23T09:05:00Z",
    "Sample_Volume": 54.68,
    "Ra223_Activity": "0.183",
    "Ra223_Unc": "0.055",
    "Ra224_Activity": "0.872",
    "Ra224_Unc": "0.087",
    "Ra226_Activity": 30.314,
    "Ra226_Unc": 0.72,
    "Ra228_Activity": "0.926",
    "Ra228_Unc": "0.030" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.381717, 27.04605] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 10,
    "depth": 1927.0,
    "Core_Number": null,
    "time": "2016-12-23T09:17:00Z",
    "Sample_Volume": 55.69,
    "Ra223_Activity": "1.281",
    "Ra223_Unc": "0.355",
    "Ra224_Activity": "10.687",
    "Ra224_Unc": "0.988",
    "Ra226_Activity": 28.459,
    "Ra226_Unc": 0.68,
    "Ra228_Activity": "1.247",
    "Ra228_Unc": "0.034" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.381717, 27.04605] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 10,
    "depth": 1874.0,
    "Core_Number": null,
    "time": "2016-12-23T09:31:00Z",
    "Sample_Volume": 55.83,
    "Ra223_Activity": "0.260",
    "Ra223_Unc": "0.106",
    "Ra224_Activity": "5.353",
    "Ra224_Unc": "0.525",
    "Ra226_Activity": 33.776,
    "Ra226_Unc": 0.829,
    "Ra228_Activity": "0.868",
    "Ra228_Unc": "0.026" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.381717, 27.04605] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 10,
    "depth": 1540.0,
    "Core_Number": null,
    "time": "2016-12-23T09:42:00Z",
    "Sample_Volume": 35.71,
    "Ra223_Activity": "0.143",
    "Ra223_Unc": "0.045",
    "Ra224_Activity": "0.274",
    "Ra224_Unc": "0.027",
    "Ra226_Activity": 32.294,
    "Ra226_Unc": 0.968,
    "Ra228_Activity": "0.714",
    "Ra228_Unc": "0.027" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.381567, 27.04625] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 11,
    "depth": 1974.0,
    "Core_Number": null,
    "time": "2016-12-24T09:45:00Z",
    "Sample_Volume": 45.07,
    "Ra223_Activity": "1.747",
    "Ra223_Unc": "0.364",
    "Ra224_Activity": "15.236",
    "Ra224_Unc": "0.960",
    "Ra226_Activity": 34.017,
    "Ra226_Unc": 0.844,
    "Ra228_Activity": "1.599",
    "Ra228_Unc": "0.106" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.381567, 27.04625] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 11,
    "depth": 1959.0,
    "Core_Number": null,
    "time": "2016-12-24T09:53:00Z",
    "Sample_Volume": 45.12,
    "Ra223_Activity": "1.581",
    "Ra223_Unc": "0.354",
    "Ra224_Activity": "32.660",
    "Ra224_Unc": "1.656",
    "Ra226_Activity": 30.003,
    "Ra226_Unc": 0.794,
    "Ra228_Activity": "1.581",
    "Ra228_Unc": "0.109" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.381567, 27.04625] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 11,
    "depth": 1950.0,
    "Core_Number": null,
    "time": "2016-12-24T10:00:00Z",
    "Sample_Volume": 35.82,
    "Ra223_Activity": "1.294",
    "Ra223_Unc": "0.305",
    "Ra224_Activity": "37.094",
    "Ra224_Unc": "1.832",
    "Ra226_Activity": 44.754,
    "Ra226_Unc": 1.226,
    "Ra228_Activity": "3.932",
    "Ra228_Unc": "0.216" }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-111.381567, 27.04625] },
  "properties": {
    "Collection_Method": "CTD",
    "Alvin_Dive_Number": null,
    "Cast": 11,
    "depth": 1570.0,
    "Core_Number": null,
    "time": "2016-12-24T10:14:00Z",
    "Sample_Volume": 54.22,
    "Ra223_Activity": "0.183",
    "Ra223_Unc": "0.055",
    "Ra224_Activity": "0.805",
    "Ra224_Unc": "0.080",
    "Ra226_Activity": 30.845,
    "Ra226_Unc": 0.76,
    "Ra228_Activity": "0.524",
    "Ra228_Unc": "0.017" }
}
  ],
  "bbox": [-111.681819, 27.006592, -111.381567, 27.509165]
}
