{
    "type":"Feature",
    "properties":{
        "fid":24544,
        "id":"2663113",
        "uri":"https://geoconnex.us/ref/mainstems/2663113",
        "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":"https://geoconnex.us/ref/mainstems/2659374",
        "encompassing_mainstem_basins":"['https://geoconnex.us/ref/mainstems/2659374', 'https://geoconnex.us/ref/mainstems/2659285', 'https://geoconnex.us/ref/mainstems/2659132']",
        "name_at_outlet":"Salt Branch",
        "name_at_outlet_gnis_id":1367382,
        "head_nhdpv2_comid":"https://geoconnex.us/nhdplusv2/comid/10827664",
        "outlet_nhdpv2_comid":"https://geoconnex.us/nhdplusv2/comid/10827634",
        "head_nhdpv2huc12":"",
        "outlet_nhdpv2huc12":"",
        "lengthkm":12.8,
        "outlet_drainagearea_sqkm":50.6,
        "head_rf1id":null,
        "outlet_rf1id":null,
        "head_nhdpv1_comid":10827664,
        "outlet_nhdpv1_comid":10827634,
        "head_2020huc12":"",
        "outlet_2020huc12":"",
        "superseded":false,
        "new_mainstemid":"",
        "datasets":[
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-285745098363700",
                "siteName":"USGS-285745098363700",
                "datasetDescription":"Total dissolved solids at USGS-285745098363700",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-TX/USGS-285745098363700/",
                "variableMeasured":"Total dissolved solids",
                "variableUnit":"mg/l",
                "measurementTechnique":"observation",
                "temporalCoverage":"1964-01-01T00:00:00Z/1964-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-285745098363700&CharacteristicName=Total dissolved solids&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-98.6105753 28.9627492)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-285745098363700",
                "siteName":"USGS-285745098363700",
                "datasetDescription":"Hardness, Ca, Mg at USGS-285745098363700",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-TX/USGS-285745098363700/",
                "variableMeasured":"Hardness, Ca, Mg",
                "variableUnit":"mg/l CaCO3",
                "measurementTechnique":"observation",
                "temporalCoverage":"1964-01-01T00:00:00Z/1964-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-285745098363700&CharacteristicName=Hardness, Ca, Mg&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-98.6105753 28.9627492)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-285745098363700",
                "siteName":"USGS-285745098363700",
                "datasetDescription":"Bicarbonate at USGS-285745098363700",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-TX/USGS-285745098363700/",
                "variableMeasured":"Bicarbonate",
                "variableUnit":"mg/l",
                "measurementTechnique":"observation",
                "temporalCoverage":"1964-01-01T00:00:00Z/1964-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-285745098363700&CharacteristicName=Bicarbonate&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-98.6105753 28.9627492)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-285745098363700",
                "siteName":"USGS-285745098363700",
                "datasetDescription":"Potassium at USGS-285745098363700",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-TX/USGS-285745098363700/",
                "variableMeasured":"Potassium",
                "variableUnit":"mg/l",
                "measurementTechnique":"observation",
                "temporalCoverage":"1964-01-01T00:00:00Z/1964-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-285745098363700&CharacteristicName=Potassium&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-98.6105753 28.9627492)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-285745098363700",
                "siteName":"USGS-285745098363700",
                "datasetDescription":"Calcium at USGS-285745098363700",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-TX/USGS-285745098363700/",
                "variableMeasured":"Calcium",
                "variableUnit":"mg/L",
                "measurementTechnique":"observation",
                "temporalCoverage":"1964-01-01T00:00:00Z/1964-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-285745098363700&CharacteristicName=Calcium&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-98.6105753 28.9627492)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-285745098363700",
                "siteName":"USGS-285745098363700",
                "datasetDescription":"Nitrate at USGS-285745098363700",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-TX/USGS-285745098363700/",
                "variableMeasured":"Nitrate",
                "variableUnit":"mg/l as N",
                "measurementTechnique":"observation",
                "temporalCoverage":"1964-01-01T00:00:00Z/1964-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-285745098363700&CharacteristicName=Nitrate&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-98.6105753 28.9627492)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-285745098363700",
                "siteName":"USGS-285745098363700",
                "datasetDescription":"Fluoride at USGS-285745098363700",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-TX/USGS-285745098363700/",
                "variableMeasured":"Fluoride",
                "variableUnit":"mg/l",
                "measurementTechnique":"observation",
                "temporalCoverage":"1964-01-01T00:00:00Z/1964-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-285745098363700&CharacteristicName=Fluoride&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-98.6105753 28.9627492)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-285745098363700",
                "siteName":"USGS-285745098363700",
                "datasetDescription":"Carbonate at USGS-285745098363700",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-TX/USGS-285745098363700/",
                "variableMeasured":"Carbonate",
                "variableUnit":"mg/l",
                "measurementTechnique":"observation",
                "temporalCoverage":"1964-01-01T00:00:00Z/1964-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-285745098363700&CharacteristicName=Carbonate&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-98.6105753 28.9627492)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-285745098363700",
                "siteName":"USGS-285745098363700",
                "datasetDescription":"Sodium, percent total cations at USGS-285745098363700",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-TX/USGS-285745098363700/",
                "variableMeasured":"Sodium, percent total cations",
                "variableUnit":"%",
                "measurementTechnique":"observation",
                "temporalCoverage":"1964-01-01T00:00:00Z/1964-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-285745098363700&CharacteristicName=Sodium, percent total cations&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-98.6105753 28.9627492)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-285745098363700",
                "siteName":"USGS-285745098363700",
                "datasetDescription":"Iron at USGS-285745098363700",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-TX/USGS-285745098363700/",
                "variableMeasured":"Iron",
                "variableUnit":"%",
                "measurementTechnique":"observation",
                "temporalCoverage":"1964-01-01T00:00:00Z/1964-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-285745098363700&CharacteristicName=Iron&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-98.6105753 28.9627492)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-285745098363700",
                "siteName":"USGS-285745098363700",
                "datasetDescription":"pH at USGS-285745098363700",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-TX/USGS-285745098363700/",
                "variableMeasured":"pH",
                "variableUnit":"None",
                "measurementTechnique":"observation",
                "temporalCoverage":"1964-01-01T00:00:00Z/1964-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-285745098363700&CharacteristicName=pH&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-98.6105753 28.9627492)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-285745098363700",
                "siteName":"USGS-285745098363700",
                "datasetDescription":"Chloride at USGS-285745098363700",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-TX/USGS-285745098363700/",
                "variableMeasured":"Chloride",
                "variableUnit":"mg/l",
                "measurementTechnique":"observation",
                "temporalCoverage":"1964-01-01T00:00:00Z/1964-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-285745098363700&CharacteristicName=Chloride&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-98.6105753 28.9627492)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-285745098363700",
                "siteName":"USGS-285745098363700",
                "datasetDescription":"Sodium carbonate at USGS-285745098363700",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-TX/USGS-285745098363700/",
                "variableMeasured":"Sodium carbonate",
                "variableUnit":"mg/l CaCO3",
                "measurementTechnique":"observation",
                "temporalCoverage":"1964-01-01T00:00:00Z/1964-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-285745098363700&CharacteristicName=Sodium carbonate&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-98.6105753 28.9627492)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-285745098363700",
                "siteName":"USGS-285745098363700",
                "datasetDescription":"Sodium at USGS-285745098363700",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-TX/USGS-285745098363700/",
                "variableMeasured":"Sodium",
                "variableUnit":"mg/l",
                "measurementTechnique":"observation",
                "temporalCoverage":"1964-01-01T00:00:00Z/1964-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-285745098363700&CharacteristicName=Sodium&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-98.6105753 28.9627492)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-285745098363700",
                "siteName":"USGS-285745098363700",
                "datasetDescription":"Carbon dioxide at USGS-285745098363700",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-TX/USGS-285745098363700/",
                "variableMeasured":"Carbon dioxide",
                "variableUnit":"mg/l",
                "measurementTechnique":"observation",
                "temporalCoverage":"1964-01-01T00:00:00Z/1964-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-285745098363700&CharacteristicName=Carbon dioxide&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-98.6105753 28.9627492)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-285745098363700",
                "siteName":"USGS-285745098363700",
                "datasetDescription":"Silica at USGS-285745098363700",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-TX/USGS-285745098363700/",
                "variableMeasured":"Silica",
                "variableUnit":"mg/l",
                "measurementTechnique":"observation",
                "temporalCoverage":"1964-01-01T00:00:00Z/1964-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-285745098363700&CharacteristicName=Silica&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-98.6105753 28.9627492)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-285745098363700",
                "siteName":"USGS-285745098363700",
                "datasetDescription":"Alkalinity at USGS-285745098363700",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-TX/USGS-285745098363700/",
                "variableMeasured":"Alkalinity",
                "variableUnit":"mg/l CaCO3",
                "measurementTechnique":"observation",
                "temporalCoverage":"1964-01-01T00:00:00Z/1964-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-285745098363700&CharacteristicName=Alkalinity&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-98.6105753 28.9627492)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-285745098363700",
                "siteName":"USGS-285745098363700",
                "datasetDescription":"Specific conductance at USGS-285745098363700",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-TX/USGS-285745098363700/",
                "variableMeasured":"Specific conductance",
                "variableUnit":"umho/cm",
                "measurementTechnique":"observation",
                "temporalCoverage":"1964-01-01T00:00:00Z/1964-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-285745098363700&CharacteristicName=Specific conductance&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-98.6105753 28.9627492)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-285745098363700",
                "siteName":"USGS-285745098363700",
                "datasetDescription":"Hardness, non-carbonate at USGS-285745098363700",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-TX/USGS-285745098363700/",
                "variableMeasured":"Hardness, non-carbonate",
                "variableUnit":"mg/l CaCO3",
                "measurementTechnique":"observation",
                "temporalCoverage":"1964-01-01T00:00:00Z/1964-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-285745098363700&CharacteristicName=Hardness, non-carbonate&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-98.6105753 28.9627492)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-285745098363700",
                "siteName":"USGS-285745098363700",
                "datasetDescription":"Magnesium at USGS-285745098363700",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-TX/USGS-285745098363700/",
                "variableMeasured":"Magnesium",
                "variableUnit":"%",
                "measurementTechnique":"observation",
                "temporalCoverage":"1964-01-01T00:00:00Z/1964-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-285745098363700&CharacteristicName=Magnesium&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-98.6105753 28.9627492)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-285745098363700",
                "siteName":"USGS-285745098363700",
                "datasetDescription":"Sulfate at USGS-285745098363700",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-TX/USGS-285745098363700/",
                "variableMeasured":"Sulfate",
                "variableUnit":"mg/l",
                "measurementTechnique":"observation",
                "temporalCoverage":"1964-01-01T00:00:00Z/1964-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-285745098363700&CharacteristicName=Sulfate&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-98.6105753 28.9627492)"
            }
        ]
    },
    "id":"2663113",
    "geometry":{
        "type":"LineString",
        "coordinates":[
            [
                -98.6321784906765,
                28.959403688382594
            ],
            [
                -98.62910262401459,
                28.96126068837968
            ],
            [
                -98.61917049069666,
                28.962406821711248
            ],
            [
                -98.61314802403933,
                28.967014421704164
            ],
            [
                -98.60874122404613,
                28.972355421695806
            ],
            [
                -98.60986202404445,
                28.9743042883596
            ],
            [
                -98.60873962404617,
                28.980723288349633
            ],
            [
                -98.60547969071791,
                28.984413688343764
            ],
            [
                -98.59127029074,
                28.98191182168103
            ],
            [
                -98.58284749075301,
                28.984683288343316
            ],
            [
                -98.5673326241104,
                28.986006888341407
            ],
            [
                -98.56219722411839,
                28.983964088344536
            ],
            [
                -98.55432189079728,
                28.985610821675195
            ],
            [
                -98.55291489079951,
                28.984257421677466
            ],
            [
                -98.55080169080276,
                28.98570048834183
            ],
            [
                -98.54952109080472,
                28.98975748833553
            ],
            [
                -98.54542829081106,
                28.98867748833718
            ],
            [
                -98.54284442414848,
                28.991472821666186
            ],
            [
                -98.54318209081465,
                28.993100688330273
            ],
            [
                -98.53749669082339,
                28.994174488328742
            ]
        ]
    },
    "prev":"2663030",
    "next":"2663495",
    "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/2663113?f=json"
        },
        {
            "rel":"alternate",
            "type":"application/ld+json",
            "title":"This document as RDF (JSON-LD)",
            "href":"https://geoconnex.us/ref/mainstems/2663113?f=jsonld"
        },
        {
            "rel":"alternate",
            "type":"text/html",
            "title":"This document as HTML",
            "href":"https://geoconnex.us/ref/mainstems/2663113?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/2663030?f=json"
        },
        {
            "rel":"next",
            "type":"application/json",
            "href":"https://reference.geoconnex.us/collections/mainstems/items/2663495?f=json"
        }
    ]
}