{
  "type": "FeatureCollection",
  "propertyNames": ["sample_description", "location_description", "ISO_Date_UTC", "La", "Ce", "Pr", "Nd", "Sm", "Eu", "Gd", "Tb", "Dy", "Ho", "Er", "Tm", "Yb", "Lu", "Th232", "NOTES"],
  "propertyUnits": ["unitless", "unitless", "unitless", "ppm (ug/g)", "ppm (ug/g)", "ppm (ug/g)", "ppm (ug/g)", "ppm (ug/g)", "ppm (ug/g)", "ppm (ug/g)", "ppm (ug/g)", "ppm (ug/g)", "ppm (ug/g)", "ppm (ug/g)", "ppm (ug/g)", "ppm (ug/g)", "ppm (ug/g)", "ppm (ug/g)", "unitless"],
  "features": [
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.3493, 59.42144] },
  "properties": {
    "sample_description": "Copper River dust, 2019_11_12, 1.5-3 um",
    "location_description": "Middleton Island, AK",
    "ISO_Date_UTC": "2019-11-12",
    "La": 16.14,
    "Ce": 32.74,
    "Pr": 3.91,
    "Nd": 15.95,
    "Sm": 3.49,
    "Eu": 0.95,
    "Gd": 3.36,
    "Tb": 0.53,
    "Dy": 3.16,
    "Ho": 0.62,
    "Er": 1.91,
    "Tm": 0.26,
    "Yb": 1.75,
    "Lu": 0.26,
    "Th232": 4.81,
    "NOTES": "All of the concentrations in this table are in ppm (ug/g)." }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.3493, 59.42144] },
  "properties": {
    "sample_description": "Copper River dust, 2019_11_12, 3-7.2 um",
    "location_description": "Middleton Island, AK",
    "ISO_Date_UTC": "2019-11-12",
    "La": 19.54,
    "Ce": 39.42,
    "Pr": 4.72,
    "Nd": 19.27,
    "Sm": 4.27,
    "Eu": 1.12,
    "Gd": 4.06,
    "Tb": 0.62,
    "Dy": 3.76,
    "Ho": 0.75,
    "Er": 2.18,
    "Tm": 0.31,
    "Yb": 2.01,
    "Lu": 0.32,
    "Th232": 5.43,
    "NOTES": "All of the concentrations in this table are in ppm (ug/g)." }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-146.3493, 59.42144] },
  "properties": {
    "sample_description": "Copper River dust, 2019_11_12, >7.2 um",
    "location_description": "Middleton Island, AK",
    "ISO_Date_UTC": "2019-11-12",
    "La": 16.4,
    "Ce": 33.09,
    "Pr": 4.02,
    "Nd": 16.5,
    "Sm": 3.55,
    "Eu": 0.89,
    "Gd": 3.42,
    "Tb": 0.51,
    "Dy": 3.04,
    "Ho": 0.6,
    "Er": 1.78,
    "Tm": 0.25,
    "Yb": 1.58,
    "Lu": 0.24,
    "Th232": 4.15,
    "NOTES": "All of the concentrations in this table are in ppm (ug/g)." }
},
{"type": "Feature",
  "geometry": {
    "type": "Point",
    "coordinates": [-145.0954, 60.4324] },
  "properties": {
    "sample_description": "Copper River delta coarse dust, 29 July, 2011",
    "location_description": "Copper River delta, near \"Million Dollar Bridge\"",
    "ISO_Date_UTC": "2011-07-29",
    "La": 21.1,
    "Ce": 43.78,
    "Pr": 5.32,
    "Nd": 21.66,
    "Sm": 4.64,
    "Eu": 1.22,
    "Gd": 4.56,
    "Tb": 0.67,
    "Dy": 3.92,
    "Ho": 0.78,
    "Er": 2.24,
    "Tm": 0.31,
    "Yb": 1.99,
    "Lu": 0.29,
    "Th232": 4.47,
    "NOTES": "All of the concentrations in this table are in ppm (ug/g)." }
}
  ],
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}