{
    "type":"Feature",
    "properties":{
        "fid":17986,
        "id":"486569",
        "uri":"https://geoconnex.us/ref/mainstems/486569",
        "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/388707",
        "encompassing_mainstem_basins":"['https://geoconnex.us/ref/mainstems/388707', 'https://geoconnex.us/ref/mainstems/313255', 'https://geoconnex.us/ref/mainstems/312532', 'https://geoconnex.us/ref/mainstems/312091']",
        "name_at_outlet":"Antelope Creek",
        "name_at_outlet_gnis_id":185144,
        "head_nhdpv2_comid":"https://geoconnex.us/nhdplusv2/comid/231253",
        "outlet_nhdpv2_comid":"https://geoconnex.us/nhdplusv2/comid/231203",
        "head_nhdpv2huc12":"https://geoconnex.us/nhdplusv2/huc12/101900030101",
        "outlet_nhdpv2huc12":"https://geoconnex.us/nhdplusv2/huc12/101900030101",
        "lengthkm":21.5,
        "outlet_drainagearea_sqkm":63.0,
        "head_rf1id":22768,
        "outlet_rf1id":22768,
        "head_nhdpv1_comid":231253,
        "outlet_nhdpv1_comid":231203,
        "head_2020huc12":"101900030101",
        "outlet_2020huc12":"101900030101",
        "superseded":false,
        "new_mainstemid":"",
        "datasets":[
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391352104445300",
                "siteName":"USGS-391352104445300",
                "datasetDescription":"Carbon dioxide at USGS-391352104445300",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391352104445300/",
                "variableMeasured":"Carbon dioxide",
                "variableUnit":"milligrams per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391352104445300&CharacteristicName=Carbon dioxide&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7485872 39.23110199)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391352104445300",
                "siteName":"USGS-391352104445300",
                "datasetDescription":"Hardness, Ca, Mg at USGS-391352104445300",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391352104445300/",
                "variableMeasured":"Hardness, Ca, Mg",
                "variableUnit":"milligrams per liter as calcium carbonate",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391352104445300&CharacteristicName=Hardness, Ca, Mg&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7485872 39.23110199)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391352104445300",
                "siteName":"USGS-391352104445300",
                "datasetDescription":"Temperature, water at USGS-391352104445300",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391352104445300/",
                "variableMeasured":"Temperature, water",
                "variableUnit":"degrees Celsius",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391352104445300&CharacteristicName=Temperature, water&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7485872 39.23110199)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391352104445300",
                "siteName":"USGS-391352104445300",
                "datasetDescription":"Specific conductance at USGS-391352104445300",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391352104445300/",
                "variableMeasured":"Specific conductance",
                "variableUnit":"microsiemens per centimeter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391352104445300&CharacteristicName=Specific conductance&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7485872 39.23110199)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391352104445300",
                "siteName":"USGS-391352104445300",
                "datasetDescription":"Fluoride at USGS-391352104445300",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391352104445300/",
                "variableMeasured":"Fluoride",
                "variableUnit":"milligrams per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391352104445300&CharacteristicName=Fluoride&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7485872 39.23110199)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391352104445300",
                "siteName":"USGS-391352104445300",
                "datasetDescription":"Silica at USGS-391352104445300",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391352104445300/",
                "variableMeasured":"Silica",
                "variableUnit":"milligrams per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391352104445300&CharacteristicName=Silica&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7485872 39.23110199)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391352104445300",
                "siteName":"USGS-391352104445300",
                "datasetDescription":"Iron at USGS-391352104445300",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391352104445300/",
                "variableMeasured":"Iron",
                "variableUnit":"percent",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391352104445300&CharacteristicName=Iron&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7485872 39.23110199)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391352104445300",
                "siteName":"USGS-391352104445300",
                "datasetDescription":"Hardness, non-carbonate at USGS-391352104445300",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391352104445300/",
                "variableMeasured":"Hardness, non-carbonate",
                "variableUnit":"milligrams per liter as calcium carbonate",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391352104445300&CharacteristicName=Hardness, non-carbonate&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7485872 39.23110199)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391352104445300",
                "siteName":"USGS-391352104445300",
                "datasetDescription":"Calcium at USGS-391352104445300",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391352104445300/",
                "variableMeasured":"Calcium",
                "variableUnit":"milligrams per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391352104445300&CharacteristicName=Calcium&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7485872 39.23110199)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391352104445300",
                "siteName":"USGS-391352104445300",
                "datasetDescription":"Total dissolved solids at USGS-391352104445300",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391352104445300/",
                "variableMeasured":"Total dissolved solids",
                "variableUnit":"milligrams per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391352104445300&CharacteristicName=Total dissolved solids&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7485872 39.23110199)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391352104445300",
                "siteName":"USGS-391352104445300",
                "datasetDescription":"Carbonate at USGS-391352104445300",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391352104445300/",
                "variableMeasured":"Carbonate",
                "variableUnit":"milligrams per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391352104445300&CharacteristicName=Carbonate&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7485872 39.23110199)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391352104445300",
                "siteName":"USGS-391352104445300",
                "datasetDescription":"Bicarbonate at USGS-391352104445300",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391352104445300/",
                "variableMeasured":"Bicarbonate",
                "variableUnit":"milligrams per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391352104445300&CharacteristicName=Bicarbonate&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7485872 39.23110199)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391352104445300",
                "siteName":"USGS-391352104445300",
                "datasetDescription":"Orthophosphate at USGS-391352104445300",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391352104445300/",
                "variableMeasured":"Orthophosphate",
                "variableUnit":"milligrams per liter as phosphate",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391352104445300&CharacteristicName=Orthophosphate&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7485872 39.23110199)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391352104445300",
                "siteName":"USGS-391352104445300",
                "datasetDescription":"Selenium at USGS-391352104445300",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391352104445300/",
                "variableMeasured":"Selenium",
                "variableUnit":"micrograms per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391352104445300&CharacteristicName=Selenium&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7485872 39.23110199)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391352104445300",
                "siteName":"USGS-391352104445300",
                "datasetDescription":"Arsenic at USGS-391352104445300",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391352104445300/",
                "variableMeasured":"Arsenic",
                "variableUnit":"parts per million",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391352104445300&CharacteristicName=Arsenic&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7485872 39.23110199)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391352104445300",
                "siteName":"USGS-391352104445300",
                "datasetDescription":"Manganese at USGS-391352104445300",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391352104445300/",
                "variableMeasured":"Manganese",
                "variableUnit":"micrograms per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391352104445300&CharacteristicName=Manganese&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7485872 39.23110199)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391352104445300",
                "siteName":"USGS-391352104445300",
                "datasetDescription":"Sulfate at USGS-391352104445300",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391352104445300/",
                "variableMeasured":"Sulfate",
                "variableUnit":"milligrams per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391352104445300&CharacteristicName=Sulfate&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7485872 39.23110199)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391352104445300",
                "siteName":"USGS-391352104445300",
                "datasetDescription":"pH at USGS-391352104445300",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391352104445300/",
                "variableMeasured":"pH",
                "variableUnit":"Unknown",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391352104445300&CharacteristicName=pH&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7485872 39.23110199)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391352104445300",
                "siteName":"USGS-391352104445300",
                "datasetDescription":"Potassium at USGS-391352104445300",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391352104445300/",
                "variableMeasured":"Potassium",
                "variableUnit":"milligrams per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391352104445300&CharacteristicName=Potassium&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7485872 39.23110199)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391352104445300",
                "siteName":"USGS-391352104445300",
                "datasetDescription":"Magnesium at USGS-391352104445300",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391352104445300/",
                "variableMeasured":"Magnesium",
                "variableUnit":"percent",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391352104445300&CharacteristicName=Magnesium&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7485872 39.23110199)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391352104445300",
                "siteName":"USGS-391352104445300",
                "datasetDescription":"Sodium, percent total cations at USGS-391352104445300",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391352104445300/",
                "variableMeasured":"Sodium, percent total cations",
                "variableUnit":"percent",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391352104445300&CharacteristicName=Sodium, percent total cations&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7485872 39.23110199)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391352104445300",
                "siteName":"USGS-391352104445300",
                "datasetDescription":"Boron at USGS-391352104445300",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391352104445300/",
                "variableMeasured":"Boron",
                "variableUnit":"Unknown",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391352104445300&CharacteristicName=Boron&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7485872 39.23110199)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391352104445300",
                "siteName":"USGS-391352104445300",
                "datasetDescription":"Chloride at USGS-391352104445300",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391352104445300/",
                "variableMeasured":"Chloride",
                "variableUnit":"milligrams per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391352104445300&CharacteristicName=Chloride&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7485872 39.23110199)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391352104445300",
                "siteName":"USGS-391352104445300",
                "datasetDescription":"Inorganic nitrogen (nitrate and nitrite) at USGS-391352104445300",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391352104445300/",
                "variableMeasured":"Inorganic nitrogen (nitrate and nitrite)",
                "variableUnit":"milligrams per liter as nitrogen",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391352104445300&CharacteristicName=Inorganic nitrogen (nitrate and nitrite)&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7485872 39.23110199)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391352104445300",
                "siteName":"USGS-391352104445300",
                "datasetDescription":"Sodium at USGS-391352104445300",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391352104445300/",
                "variableMeasured":"Sodium",
                "variableUnit":"milligrams per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391352104445300&CharacteristicName=Sodium&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7485872 39.23110199)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391352104445300",
                "siteName":"USGS-391352104445300",
                "datasetDescription":"Alkalinity at USGS-391352104445300",
                "type":"Spring",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391352104445300/",
                "variableMeasured":"Alkalinity",
                "variableUnit":"milligrams per liter as calcium carbonate",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391352104445300&CharacteristicName=Alkalinity&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7485872 39.23110199)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391501104441300",
                "siteName":"USGS-391501104441300",
                "datasetDescription":"Arsenic at USGS-391501104441300",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391501104441300/",
                "variableMeasured":"Arsenic",
                "variableUnit":"parts per million",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391501104441300&CharacteristicName=Arsenic&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7374757 39.25026838)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391501104441300",
                "siteName":"USGS-391501104441300",
                "datasetDescription":"Sulfate at USGS-391501104441300",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391501104441300/",
                "variableMeasured":"Sulfate",
                "variableUnit":"milligrams per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391501104441300&CharacteristicName=Sulfate&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7374757 39.25026838)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391501104441300",
                "siteName":"USGS-391501104441300",
                "datasetDescription":"Bicarbonate at USGS-391501104441300",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391501104441300/",
                "variableMeasured":"Bicarbonate",
                "variableUnit":"milligrams per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391501104441300&CharacteristicName=Bicarbonate&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7374757 39.25026838)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391501104441300",
                "siteName":"USGS-391501104441300",
                "datasetDescription":"Calcium at USGS-391501104441300",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391501104441300/",
                "variableMeasured":"Calcium",
                "variableUnit":"milligrams per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391501104441300&CharacteristicName=Calcium&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7374757 39.25026838)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391501104441300",
                "siteName":"USGS-391501104441300",
                "datasetDescription":"Fluoride at USGS-391501104441300",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391501104441300/",
                "variableMeasured":"Fluoride",
                "variableUnit":"milligrams per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391501104441300&CharacteristicName=Fluoride&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7374757 39.25026838)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391501104441300",
                "siteName":"USGS-391501104441300",
                "datasetDescription":"Sodium at USGS-391501104441300",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391501104441300/",
                "variableMeasured":"Sodium",
                "variableUnit":"milligrams per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391501104441300&CharacteristicName=Sodium&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7374757 39.25026838)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391501104441300",
                "siteName":"USGS-391501104441300",
                "datasetDescription":"Magnesium at USGS-391501104441300",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391501104441300/",
                "variableMeasured":"Magnesium",
                "variableUnit":"percent",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391501104441300&CharacteristicName=Magnesium&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7374757 39.25026838)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391501104441300",
                "siteName":"USGS-391501104441300",
                "datasetDescription":"Chloride at USGS-391501104441300",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391501104441300/",
                "variableMeasured":"Chloride",
                "variableUnit":"milligrams per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391501104441300&CharacteristicName=Chloride&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7374757 39.25026838)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391501104441300",
                "siteName":"USGS-391501104441300",
                "datasetDescription":"Inorganic nitrogen (nitrate and nitrite) at USGS-391501104441300",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391501104441300/",
                "variableMeasured":"Inorganic nitrogen (nitrate and nitrite)",
                "variableUnit":"milligrams per liter as nitrogen",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391501104441300&CharacteristicName=Inorganic nitrogen (nitrate and nitrite)&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7374757 39.25026838)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391501104441300",
                "siteName":"USGS-391501104441300",
                "datasetDescription":"Manganese at USGS-391501104441300",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391501104441300/",
                "variableMeasured":"Manganese",
                "variableUnit":"micrograms per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391501104441300&CharacteristicName=Manganese&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7374757 39.25026838)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391501104441300",
                "siteName":"USGS-391501104441300",
                "datasetDescription":"Hardness, Ca, Mg at USGS-391501104441300",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391501104441300/",
                "variableMeasured":"Hardness, Ca, Mg",
                "variableUnit":"milligrams per liter as calcium carbonate",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391501104441300&CharacteristicName=Hardness, Ca, Mg&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7374757 39.25026838)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391501104441300",
                "siteName":"USGS-391501104441300",
                "datasetDescription":"Silica at USGS-391501104441300",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391501104441300/",
                "variableMeasured":"Silica",
                "variableUnit":"milligrams per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391501104441300&CharacteristicName=Silica&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7374757 39.25026838)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391501104441300",
                "siteName":"USGS-391501104441300",
                "datasetDescription":"Orthophosphate at USGS-391501104441300",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391501104441300/",
                "variableMeasured":"Orthophosphate",
                "variableUnit":"milligrams per liter as phosphate",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391501104441300&CharacteristicName=Orthophosphate&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7374757 39.25026838)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391501104441300",
                "siteName":"USGS-391501104441300",
                "datasetDescription":"Total dissolved solids at USGS-391501104441300",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391501104441300/",
                "variableMeasured":"Total dissolved solids",
                "variableUnit":"milligrams per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391501104441300&CharacteristicName=Total dissolved solids&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7374757 39.25026838)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391501104441300",
                "siteName":"USGS-391501104441300",
                "datasetDescription":"Selenium at USGS-391501104441300",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391501104441300/",
                "variableMeasured":"Selenium",
                "variableUnit":"micrograms per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391501104441300&CharacteristicName=Selenium&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7374757 39.25026838)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391501104441300",
                "siteName":"USGS-391501104441300",
                "datasetDescription":"Hardness, non-carbonate at USGS-391501104441300",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391501104441300/",
                "variableMeasured":"Hardness, non-carbonate",
                "variableUnit":"milligrams per liter as calcium carbonate",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391501104441300&CharacteristicName=Hardness, non-carbonate&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7374757 39.25026838)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391501104441300",
                "siteName":"USGS-391501104441300",
                "datasetDescription":"Depth to water level below land surface at USGS-391501104441300",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391501104441300/",
                "variableMeasured":"Depth to water level below land surface",
                "variableUnit":"meters",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391501104441300&CharacteristicName=Depth to water level below land surface&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7374757 39.25026838)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391501104441300",
                "siteName":"USGS-391501104441300",
                "datasetDescription":"Alkalinity at USGS-391501104441300",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391501104441300/",
                "variableMeasured":"Alkalinity",
                "variableUnit":"milligrams per liter as calcium carbonate",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391501104441300&CharacteristicName=Alkalinity&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7374757 39.25026838)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391501104441300",
                "siteName":"USGS-391501104441300",
                "datasetDescription":"Sodium, percent total cations at USGS-391501104441300",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391501104441300/",
                "variableMeasured":"Sodium, percent total cations",
                "variableUnit":"percent",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391501104441300&CharacteristicName=Sodium, percent total cations&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7374757 39.25026838)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391501104441300",
                "siteName":"USGS-391501104441300",
                "datasetDescription":"Boron at USGS-391501104441300",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391501104441300/",
                "variableMeasured":"Boron",
                "variableUnit":"Unknown",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391501104441300&CharacteristicName=Boron&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7374757 39.25026838)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391501104441300",
                "siteName":"USGS-391501104441300",
                "datasetDescription":"Iron at USGS-391501104441300",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391501104441300/",
                "variableMeasured":"Iron",
                "variableUnit":"percent",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391501104441300&CharacteristicName=Iron&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7374757 39.25026838)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391501104441300",
                "siteName":"USGS-391501104441300",
                "datasetDescription":"Depth at USGS-391501104441300",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391501104441300/",
                "variableMeasured":"Depth",
                "variableUnit":"feet",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391501104441300&CharacteristicName=Depth&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7374757 39.25026838)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-391501104441300",
                "siteName":"USGS-391501104441300",
                "datasetDescription":"Potassium at USGS-391501104441300",
                "type":"Well",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-CO/USGS-391501104441300/",
                "variableMeasured":"Potassium",
                "variableUnit":"milligrams per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1976-01-01T00:00:00Z/1976-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-391501104441300&CharacteristicName=Potassium&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-104.7374757 39.25026838)"
            }
        ]
    },
    "id":"486569",
    "geometry":{
        "type":"LineString",
        "coordinates":[
            [
                -104.8211930144032,
                39.13802480591665
            ],
            [
                -104.81210888108393,
                39.14085840591234
            ],
            [
                -104.80843168108964,
                39.144220872573705
            ],
            [
                -104.80634161442617,
                39.14756147256862
            ],
            [
                -104.80765448109088,
                39.15767900588622
            ],
            [
                -104.80136208110065,
                39.15879660588439
            ],
            [
                -104.79838988110521,
                39.16140387254704
            ],
            [
                -104.78094688113225,
                39.167891272537
            ],
            [
                -104.77985668113399,
                39.16949260586787
            ],
            [
                -104.76882541448441,
                39.17273320586281
            ],
            [
                -104.77096301448108,
                39.178823472520016
            ],
            [
                -104.75876541450009,
                39.19261340583191
            ],
            [
                -104.75734608116898,
                39.197075205824994
            ],
            [
                -104.75875661449999,
                39.197923472490274
            ],
            [
                -104.75666308117002,
                39.200919805819076
            ],
            [
                -104.75822201450086,
                39.201035805818904
            ],
            [
                -104.75200981451053,
                39.22073607245486
            ],
            [
                -104.75014101451347,
                39.22149160578711
            ],
            [
                -104.75105228117872,
                39.22970720577445
            ],
            [
                -104.74609921451975,
                39.23268800576974
            ],
            [
                -104.74492868118824,
                39.23671760576346
            ],
            [
                -104.7361404145351,
                39.244256205751846
            ],
            [
                -104.73267501454058,
                39.24956927241012
            ],
            [
                -104.73084941454346,
                39.249227672410875
            ],
            [
                -104.72976748121164,
                39.25173840574007
            ],
            [
                -104.72570761455142,
                39.2535042724041
            ],
            [
                -104.72579908121787,
                39.25572440573407
            ],
            [
                -104.72115068122514,
                39.25797127239727
            ],
            [
                -104.72197761455715,
                39.25993887239415
            ],
            [
                -104.71835681456281,
                39.260285205726795
            ],
            [
                -104.71356968123689,
                39.26969580571239
            ]
        ]
    },
    "prev":"486566",
    "next":"48660",
    "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/486569?f=json"
        },
        {
            "rel":"alternate",
            "type":"application/ld+json",
            "title":"This document as RDF (JSON-LD)",
            "href":"https://geoconnex.us/ref/mainstems/486569?f=jsonld"
        },
        {
            "rel":"alternate",
            "type":"text/html",
            "title":"This document as HTML",
            "href":"https://geoconnex.us/ref/mainstems/486569?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/486566?f=json"
        },
        {
            "rel":"next",
            "type":"application/json",
            "href":"https://reference.geoconnex.us/collections/mainstems/items/48660?f=json"
        }
    ]
}