{
    "type":"Feature",
    "properties":{
        "fid":28147,
        "id":"1954009",
        "uri":"https://geoconnex.us/ref/mainstems/1954009",
        "featuretype":"['https://www.opengis.net/def/schema/hy_features/hyf/HY_FlowPath', 'https://www.opengis.net/def/schema/hy_features/hyf/HY_WaterBody']",
        "downstream_mainstem_id":"",
        "encompassing_mainstem_basins":"",
        "name_at_outlet":"Negro Creek",
        "name_at_outlet_gnis_id":847190,
        "head_nhdpv2_comid":"https://geoconnex.us/nhdplusv2/comid/8949836",
        "outlet_nhdpv2_comid":"https://geoconnex.us/nhdplusv2/comid/8952900",
        "head_nhdpv2huc12":"https://geoconnex.us/nhdplusv2/huc12/160402030303",
        "outlet_nhdpv2huc12":"https://geoconnex.us/nhdplusv2/huc12/160402030303",
        "lengthkm":23.6,
        "outlet_drainagearea_sqkm":153.0,
        "head_rf1id":null,
        "outlet_rf1id":null,
        "head_nhdpv1_comid":8949836,
        "outlet_nhdpv1_comid":8952900,
        "head_2020huc12":"160402030303",
        "outlet_2020huc12":"160402030303",
        "superseded":false,
        "new_mainstemid":"",
        "datasets":[
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-405610119213901",
                "siteName":"USGS-405610119213901",
                "datasetDescription":"Sodium at USGS-405610119213901",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NV/USGS-405610119213901/",
                "variableMeasured":"Sodium",
                "variableUnit":"mg/l",
                "measurementTechnique":"observation",
                "temporalCoverage":"1975-01-01T00:00:00Z/1975-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-405610119213901&CharacteristicName=Sodium&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-119.3618542 40.9360102)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-405610119213901",
                "siteName":"USGS-405610119213901",
                "datasetDescription":"Silica at USGS-405610119213901",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NV/USGS-405610119213901/",
                "variableMeasured":"Silica",
                "variableUnit":"mg/l",
                "measurementTechnique":"observation",
                "temporalCoverage":"1975-01-01T00:00:00Z/1975-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-405610119213901&CharacteristicName=Silica&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-119.3618542 40.9360102)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-405610119213901",
                "siteName":"USGS-405610119213901",
                "datasetDescription":"pH at USGS-405610119213901",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NV/USGS-405610119213901/",
                "variableMeasured":"pH",
                "variableUnit":"None",
                "measurementTechnique":"observation",
                "temporalCoverage":"1975-01-01T00:00:00Z/1975-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-405610119213901&CharacteristicName=pH&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-119.3618542 40.9360102)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-405610119213901",
                "siteName":"USGS-405610119213901",
                "datasetDescription":"Calcium at USGS-405610119213901",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NV/USGS-405610119213901/",
                "variableMeasured":"Calcium",
                "variableUnit":"mg/L",
                "measurementTechnique":"observation",
                "temporalCoverage":"1975-01-01T00:00:00Z/1975-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-405610119213901&CharacteristicName=Calcium&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-119.3618542 40.9360102)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-405610119213901",
                "siteName":"USGS-405610119213901",
                "datasetDescription":"Boron at USGS-405610119213901",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NV/USGS-405610119213901/",
                "variableMeasured":"Boron",
                "variableUnit":"Unknown",
                "measurementTechnique":"observation",
                "temporalCoverage":"1975-01-01T00:00:00Z/1975-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-405610119213901&CharacteristicName=Boron&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-119.3618542 40.9360102)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-405610119213901",
                "siteName":"USGS-405610119213901",
                "datasetDescription":"Temperature, water at USGS-405610119213901",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NV/USGS-405610119213901/",
                "variableMeasured":"Temperature, water",
                "variableUnit":"deg C",
                "measurementTechnique":"observation",
                "temporalCoverage":"1975-01-01T00:00:00Z/1975-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-405610119213901&CharacteristicName=Temperature, water&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-119.3618542 40.9360102)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-405610119213901",
                "siteName":"USGS-405610119213901",
                "datasetDescription":"Bicarbonate at USGS-405610119213901",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NV/USGS-405610119213901/",
                "variableMeasured":"Bicarbonate",
                "variableUnit":"mg/l",
                "measurementTechnique":"observation",
                "temporalCoverage":"1975-01-01T00:00:00Z/1975-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-405610119213901&CharacteristicName=Bicarbonate&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-119.3618542 40.9360102)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-405610119213901",
                "siteName":"USGS-405610119213901",
                "datasetDescription":"Carbon dioxide at USGS-405610119213901",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NV/USGS-405610119213901/",
                "variableMeasured":"Carbon dioxide",
                "variableUnit":"mg/l",
                "measurementTechnique":"observation",
                "temporalCoverage":"1975-01-01T00:00:00Z/1975-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-405610119213901&CharacteristicName=Carbon dioxide&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-119.3618542 40.9360102)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-405610119213901",
                "siteName":"USGS-405610119213901",
                "datasetDescription":"Chloride at USGS-405610119213901",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NV/USGS-405610119213901/",
                "variableMeasured":"Chloride",
                "variableUnit":"mg/l",
                "measurementTechnique":"observation",
                "temporalCoverage":"1975-01-01T00:00:00Z/1975-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-405610119213901&CharacteristicName=Chloride&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-119.3618542 40.9360102)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-405610119213901",
                "siteName":"USGS-405610119213901",
                "datasetDescription":"Alkalinity at USGS-405610119213901",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NV/USGS-405610119213901/",
                "variableMeasured":"Alkalinity",
                "variableUnit":"mg/l CaCO3",
                "measurementTechnique":"observation",
                "temporalCoverage":"1975-01-01T00:00:00Z/1975-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-405610119213901&CharacteristicName=Alkalinity&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-119.3618542 40.9360102)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-405610119213901",
                "siteName":"USGS-405610119213901",
                "datasetDescription":"Total dissolved solids at USGS-405610119213901",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NV/USGS-405610119213901/",
                "variableMeasured":"Total dissolved solids",
                "variableUnit":"mg/l",
                "measurementTechnique":"observation",
                "temporalCoverage":"1975-01-01T00:00:00Z/1975-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-405610119213901&CharacteristicName=Total dissolved solids&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-119.3618542 40.9360102)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-405610119213901",
                "siteName":"USGS-405610119213901",
                "datasetDescription":"Fluoride at USGS-405610119213901",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NV/USGS-405610119213901/",
                "variableMeasured":"Fluoride",
                "variableUnit":"mg/l",
                "measurementTechnique":"observation",
                "temporalCoverage":"1975-01-01T00:00:00Z/1975-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-405610119213901&CharacteristicName=Fluoride&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-119.3618542 40.9360102)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-405610119213901",
                "siteName":"USGS-405610119213901",
                "datasetDescription":"Hardness, non-carbonate at USGS-405610119213901",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NV/USGS-405610119213901/",
                "variableMeasured":"Hardness, non-carbonate",
                "variableUnit":"mg/l CaCO3",
                "measurementTechnique":"observation",
                "temporalCoverage":"1975-01-01T00:00:00Z/1975-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-405610119213901&CharacteristicName=Hardness, non-carbonate&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-119.3618542 40.9360102)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-405610119213901",
                "siteName":"USGS-405610119213901",
                "datasetDescription":"Sulfate at USGS-405610119213901",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NV/USGS-405610119213901/",
                "variableMeasured":"Sulfate",
                "variableUnit":"mg/l",
                "measurementTechnique":"observation",
                "temporalCoverage":"1975-01-01T00:00:00Z/1975-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-405610119213901&CharacteristicName=Sulfate&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-119.3618542 40.9360102)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-405610119213901",
                "siteName":"USGS-405610119213901",
                "datasetDescription":"Magnesium at USGS-405610119213901",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NV/USGS-405610119213901/",
                "variableMeasured":"Magnesium",
                "variableUnit":"%",
                "measurementTechnique":"observation",
                "temporalCoverage":"1975-01-01T00:00:00Z/1975-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-405610119213901&CharacteristicName=Magnesium&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-119.3618542 40.9360102)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-405610119213901",
                "siteName":"USGS-405610119213901",
                "datasetDescription":"Specific conductance at USGS-405610119213901",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NV/USGS-405610119213901/",
                "variableMeasured":"Specific conductance",
                "variableUnit":"umho/cm",
                "measurementTechnique":"observation",
                "temporalCoverage":"1975-01-01T00:00:00Z/1975-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-405610119213901&CharacteristicName=Specific conductance&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-119.3618542 40.9360102)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-405610119213901",
                "siteName":"USGS-405610119213901",
                "datasetDescription":"Sodium, percent total cations at USGS-405610119213901",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NV/USGS-405610119213901/",
                "variableMeasured":"Sodium, percent total cations",
                "variableUnit":"%",
                "measurementTechnique":"observation",
                "temporalCoverage":"1975-01-01T00:00:00Z/1975-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-405610119213901&CharacteristicName=Sodium, percent total cations&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-119.3618542 40.9360102)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-405610119213901",
                "siteName":"USGS-405610119213901",
                "datasetDescription":"Carbonate at USGS-405610119213901",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NV/USGS-405610119213901/",
                "variableMeasured":"Carbonate",
                "variableUnit":"mg/l",
                "measurementTechnique":"observation",
                "temporalCoverage":"1975-01-01T00:00:00Z/1975-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-405610119213901&CharacteristicName=Carbonate&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-119.3618542 40.9360102)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-405610119213901",
                "siteName":"USGS-405610119213901",
                "datasetDescription":"Potassium at USGS-405610119213901",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NV/USGS-405610119213901/",
                "variableMeasured":"Potassium",
                "variableUnit":"mg/l",
                "measurementTechnique":"observation",
                "temporalCoverage":"1975-01-01T00:00:00Z/1975-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-405610119213901&CharacteristicName=Potassium&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-119.3618542 40.9360102)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-405610119213901",
                "siteName":"USGS-405610119213901",
                "datasetDescription":"Hardness, Ca, Mg at USGS-405610119213901",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NV/USGS-405610119213901/",
                "variableMeasured":"Hardness, Ca, Mg",
                "variableUnit":"mg/l CaCO3",
                "measurementTechnique":"observation",
                "temporalCoverage":"1975-01-01T00:00:00Z/1975-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-405610119213901&CharacteristicName=Hardness, Ca, Mg&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-119.3618542 40.9360102)"
            }
        ]
    },
    "id":"1954009",
    "geometry":{
        "type":"LineString",
        "coordinates":[
            [
                -119.53423912489895,
                41.01532786966943
            ],
            [
                -119.52913639157357,
                41.0154152030027
            ],
            [
                -119.51869512492306,
                41.012227403007465
            ],
            [
                -119.51661899159292,
                41.007903403014296
            ],
            [
                -119.51182379160036,
                41.00501726968549
            ],
            [
                -119.50102392495052,
                41.00487820301905
            ],
            [
                -119.4825277249792,
                41.01036246967713
            ],
            [
                -119.46782439166861,
                41.00998640301112
            ],
            [
                -119.44981979169654,
                41.00030286969283
            ],
            [
                -119.42937292506167,
                40.99705420303103
            ],
            [
                -119.41895312507783,
                40.98990140304213
            ],
            [
                -119.39174799178676,
                40.96219286975193
            ],
            [
                -119.3870981251273,
                40.95055300310326
            ],
            [
                -119.3727695251496,
                40.943510669780885
            ],
            [
                -119.3674911918244,
                40.94271040311551
            ],
            [
                -119.35925812517057,
                40.93411100312874
            ],
            [
                -119.35419192517844,
                40.93324126979685
            ],
            [
                -119.35235219184794,
                40.93436180312848
            ],
            [
                -119.34954832518567,
                40.93166266979924
            ],
            [
                -119.34867472518698,
                40.92763726980551
            ],
            [
                -119.33703719187174,
                40.92338100314543
            ],
            [
                -119.3290207252175,
                40.916288603156524
            ]
        ]
    },
    "prev":"1953871",
    "next":"195409",
    "links":[
        {
            "type":"application/json",
            "rel":"root",
            "title":"The landing page of this server as JSON",
            "href":"https://reference.geoconnex.us?f=json"
        },
        {
            "type":"text/html",
            "rel":"root",
            "title":"The landing page of this server as HTML",
            "href":"https://reference.geoconnex.us?f=html"
        },
        {
            "rel":"self",
            "type":"application/geo+json",
            "title":"This document as JSON",
            "href":"https://geoconnex.us/ref/mainstems/1954009?f=json"
        },
        {
            "rel":"alternate",
            "type":"application/ld+json",
            "title":"This document as RDF (JSON-LD)",
            "href":"https://geoconnex.us/ref/mainstems/1954009?f=jsonld"
        },
        {
            "rel":"alternate",
            "type":"text/html",
            "title":"This document as HTML",
            "href":"https://geoconnex.us/ref/mainstems/1954009?f=html"
        },
        {
            "rel":"collection",
            "type":"application/json",
            "title":"Reference Mainstems",
            "href":"https://reference.geoconnex.us/collections/mainstems"
        },
        {
            "rel":"prev",
            "type":"application/json",
            "href":"https://reference.geoconnex.us/collections/mainstems/items/1953871?f=json"
        },
        {
            "rel":"next",
            "type":"application/json",
            "href":"https://reference.geoconnex.us/collections/mainstems/items/195409?f=json"
        }
    ]
}