{
    "type":"Feature",
    "properties":{
        "fid":40,
        "id":"2241727",
        "uri":"https://geoconnex.us/ref/mainstems/2241727",
        "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/2241625",
        "encompassing_mainstem_basins":"['https://geoconnex.us/ref/mainstems/2241625']",
        "name_at_outlet":"Machias River",
        "name_at_outlet_gnis_id":570617,
        "head_nhdpv2_comid":"https://geoconnex.us/nhdplusv2/comid/805823",
        "outlet_nhdpv2_comid":"https://geoconnex.us/nhdplusv2/comid/805579",
        "head_nhdpv2huc12":"https://geoconnex.us/nhdplusv2/huc12/010100040701",
        "outlet_nhdpv2huc12":"https://geoconnex.us/nhdplusv2/huc12/010100040805",
        "lengthkm":83.7,
        "outlet_drainagearea_sqkm":852.5,
        "head_rf1id":154,
        "outlet_rf1id":142,
        "head_nhdpv1_comid":805823,
        "outlet_nhdpv1_comid":805579,
        "head_2020huc12":"010100040701",
        "outlet_2020huc12":"010100040805",
        "superseded":false,
        "new_mainstemid":"",
        "datasets":[
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01016500",
                "siteName":"USGS-01016500",
                "datasetDescription":"Specific conductance at USGS-01016500",
                "type":"Stream",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-01016500/",
                "variableMeasured":"Specific conductance",
                "variableUnit":"microsiemens per centimeter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1968-01-01T00:00:00Z/1982-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01016500&CharacteristicName=Specific conductance&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.4347917 46.6283111)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01016500",
                "siteName":"USGS-01016500",
                "datasetDescription":"Oxygen at USGS-01016500",
                "type":"Stream",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-01016500/",
                "variableMeasured":"Oxygen",
                "variableUnit":"milligrams per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1968-01-01T00:00:00Z/1969-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01016500&CharacteristicName=Oxygen&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.4347917 46.6283111)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01016500",
                "siteName":"USGS-01016500",
                "datasetDescription":"Temperature, air at USGS-01016500",
                "type":"Stream",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-01016500/",
                "variableMeasured":"Temperature, air",
                "variableUnit":"degrees Celsius",
                "measurementTechnique":"observation",
                "temporalCoverage":"1970-01-01T00:00:00Z/1983-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01016500&CharacteristicName=Temperature, air&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.4347917 46.6283111)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01016500",
                "siteName":"USGS-01016500",
                "datasetDescription":"Temperature, water at USGS-01016500",
                "type":"Stream",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-01016500/",
                "variableMeasured":"Temperature, water",
                "variableUnit":"degrees Celsius",
                "measurementTechnique":"observation",
                "temporalCoverage":"1968-01-01T00:00:00Z/1983-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01016500&CharacteristicName=Temperature, water&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.4347917 46.6283111)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01016500",
                "siteName":"USGS-01016500",
                "datasetDescription":"Stream flow at USGS-01016500",
                "type":"Stream",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-01016500/",
                "variableMeasured":"Stream flow",
                "variableUnit":"cubic feet per second",
                "measurementTechnique":"observation",
                "temporalCoverage":"1968-01-01T00:00:00Z/1969-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01016500&CharacteristicName=Stream flow&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.4347917 46.6283111)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01016500",
                "siteName":"USGS-01016500",
                "datasetDescription":"pH at USGS-01016500",
                "type":"Stream",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-01016500/",
                "variableMeasured":"pH",
                "variableUnit":"Unknown",
                "measurementTechnique":"observation",
                "temporalCoverage":"1968-01-01T00:00:00Z/1969-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01016500&CharacteristicName=pH&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.4347917 46.6283111)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01016500",
                "siteName":"USGS-01016500",
                "datasetDescription":"Stream flow, instantaneous at USGS-01016500",
                "type":"Stream",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-01016500/",
                "variableMeasured":"Stream flow, instantaneous",
                "variableUnit":"cubic feet per second",
                "measurementTechnique":"observation",
                "temporalCoverage":"1970-01-01T00:00:00Z/1983-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01016500&CharacteristicName=Stream flow, instantaneous&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.4347917 46.6283111)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01016410",
                "siteName":"USGS-01016410",
                "datasetDescription":"Total volatile solids at USGS-01016410",
                "type":"Stream",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-01016410/",
                "variableMeasured":"Total volatile solids",
                "variableUnit":"milligrams per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1982-01-01T00:00:00Z/1982-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01016410&CharacteristicName=Total volatile solids&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.73310187 46.65587448)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01016410",
                "siteName":"USGS-01016410",
                "datasetDescription":"Temperature, water at USGS-01016410",
                "type":"Stream",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-01016410/",
                "variableMeasured":"Temperature, water",
                "variableUnit":"degrees Celsius",
                "measurementTechnique":"observation",
                "temporalCoverage":"1979-01-01T00:00:00Z/1982-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01016410&CharacteristicName=Temperature, water&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.73310187 46.65587448)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01016410",
                "siteName":"USGS-01016410",
                "datasetDescription":"Organic Nitrogen at USGS-01016410",
                "type":"Stream",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-01016410/",
                "variableMeasured":"Organic Nitrogen",
                "variableUnit":"milligrams per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1980-01-01T00:00:00Z/1980-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01016410&CharacteristicName=Organic Nitrogen&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.73310187 46.65587448)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01016410",
                "siteName":"USGS-01016410",
                "datasetDescription":"Chromium at USGS-01016410",
                "type":"Stream",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-01016410/",
                "variableMeasured":"Chromium",
                "variableUnit":"parts per billion",
                "measurementTechnique":"observation",
                "temporalCoverage":"1979-01-01T00:00:00Z/1980-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01016410&CharacteristicName=Chromium&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.73310187 46.65587448)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01016410",
                "siteName":"USGS-01016410",
                "datasetDescription":"Inorganic nitrogen (nitrate and nitrite) at USGS-01016410",
                "type":"Stream",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-01016410/",
                "variableMeasured":"Inorganic nitrogen (nitrate and nitrite)",
                "variableUnit":"milligrams per liter as nitrogen",
                "measurementTechnique":"observation",
                "temporalCoverage":"1979-01-01T00:00:00Z/1980-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01016410&CharacteristicName=Inorganic nitrogen (nitrate and nitrite)&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.73310187 46.65587448)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01016410",
                "siteName":"USGS-01016410",
                "datasetDescription":"Aluminum at USGS-01016410",
                "type":"Stream",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-01016410/",
                "variableMeasured":"Aluminum",
                "variableUnit":"Unknown",
                "measurementTechnique":"observation",
                "temporalCoverage":"1981-01-01T00:00:00Z/1982-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01016410&CharacteristicName=Aluminum&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.73310187 46.65587448)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01016410",
                "siteName":"USGS-01016410",
                "datasetDescription":"Suspended Sediment Concentration (SSC) at USGS-01016410",
                "type":"Stream",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-01016410/",
                "variableMeasured":"Suspended Sediment Concentration (SSC)",
                "variableUnit":"milligrams per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1980-01-01T00:00:00Z/1982-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01016410&CharacteristicName=Suspended Sediment Concentration (SSC)&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.73310187 46.65587448)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01016410",
                "siteName":"USGS-01016410",
                "datasetDescription":"Lead at USGS-01016410",
                "type":"Stream",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-01016410/",
                "variableMeasured":"Lead",
                "variableUnit":"micrograms per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1979-01-01T00:00:00Z/1982-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01016410&CharacteristicName=Lead&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.73310187 46.65587448)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01016410",
                "siteName":"USGS-01016410",
                "datasetDescription":"Alkalinity at USGS-01016410",
                "type":"Stream",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-01016410/",
                "variableMeasured":"Alkalinity",
                "variableUnit":"milligrams per liter as calcium carbonate",
                "measurementTechnique":"observation",
                "temporalCoverage":"1979-01-01T00:00:00Z/1982-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01016410&CharacteristicName=Alkalinity&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.73310187 46.65587448)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01016410",
                "siteName":"USGS-01016410",
                "datasetDescription":"Specific conductance at USGS-01016410",
                "type":"Stream",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-01016410/",
                "variableMeasured":"Specific conductance",
                "variableUnit":"microsiemens per centimeter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1979-01-01T00:00:00Z/1982-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01016410&CharacteristicName=Specific conductance&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.73310187 46.65587448)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01016410",
                "siteName":"USGS-01016410",
                "datasetDescription":"Fecal Coliform at USGS-01016410",
                "type":"Stream",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-01016410/",
                "variableMeasured":"Fecal Coliform",
                "variableUnit":"Unknown",
                "measurementTechnique":"observation",
                "temporalCoverage":"1980-01-01T00:00:00Z/1980-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01016410&CharacteristicName=Fecal Coliform&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.73310187 46.65587448)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01016410",
                "siteName":"USGS-01016410",
                "datasetDescription":"Color at USGS-01016410",
                "type":"Stream",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-01016410/",
                "variableMeasured":"Color",
                "variableUnit":"platinum-cobalt units",
                "measurementTechnique":"observation",
                "temporalCoverage":"1979-01-01T00:00:00Z/1982-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01016410&CharacteristicName=Color&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.73310187 46.65587448)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01016410",
                "siteName":"USGS-01016410",
                "datasetDescription":"Turbidity at USGS-01016410",
                "type":"Stream",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-01016410/",
                "variableMeasured":"Turbidity",
                "variableUnit":"Jackson turbidity units",
                "measurementTechnique":"observation",
                "temporalCoverage":"1979-01-01T00:00:00Z/1982-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01016410&CharacteristicName=Turbidity&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.73310187 46.65587448)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01016410",
                "siteName":"USGS-01016410",
                "datasetDescription":"Cadmium at USGS-01016410",
                "type":"Stream",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-01016410/",
                "variableMeasured":"Cadmium",
                "variableUnit":"micrograms per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1979-01-01T00:00:00Z/1981-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01016410&CharacteristicName=Cadmium&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.73310187 46.65587448)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01016410",
                "siteName":"USGS-01016410",
                "datasetDescription":"Ammonia and ammonium at USGS-01016410",
                "type":"Stream",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-01016410/",
                "variableMeasured":"Ammonia and ammonium",
                "variableUnit":"Unknown",
                "measurementTechnique":"observation",
                "temporalCoverage":"1979-01-01T00:00:00Z/1980-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01016410&CharacteristicName=Ammonia and ammonium&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.73310187 46.65587448)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01016410",
                "siteName":"USGS-01016410",
                "datasetDescription":"Total solids at USGS-01016410",
                "type":"Stream",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-01016410/",
                "variableMeasured":"Total solids",
                "variableUnit":"milligrams per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1980-01-01T00:00:00Z/1982-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01016410&CharacteristicName=Total solids&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.73310187 46.65587448)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01016410",
                "siteName":"USGS-01016410",
                "datasetDescription":"Iron at USGS-01016410",
                "type":"Stream",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-01016410/",
                "variableMeasured":"Iron",
                "variableUnit":"percent",
                "measurementTechnique":"observation",
                "temporalCoverage":"1979-01-01T00:00:00Z/1982-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01016410&CharacteristicName=Iron&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.73310187 46.65587448)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01016410",
                "siteName":"USGS-01016410",
                "datasetDescription":"Zinc at USGS-01016410",
                "type":"Stream",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-01016410/",
                "variableMeasured":"Zinc",
                "variableUnit":"Unknown",
                "measurementTechnique":"observation",
                "temporalCoverage":"1980-01-01T00:00:00Z/1982-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01016410&CharacteristicName=Zinc&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.73310187 46.65587448)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01016410",
                "siteName":"USGS-01016410",
                "datasetDescription":"Copper at USGS-01016410",
                "type":"Stream",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-01016410/",
                "variableMeasured":"Copper",
                "variableUnit":"Unknown",
                "measurementTechnique":"observation",
                "temporalCoverage":"1979-01-01T00:00:00Z/1982-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01016410&CharacteristicName=Copper&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.73310187 46.65587448)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01016410",
                "siteName":"USGS-01016410",
                "datasetDescription":"Mercury at USGS-01016410",
                "type":"Stream",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-01016410/",
                "variableMeasured":"Mercury",
                "variableUnit":"Unknown",
                "measurementTechnique":"observation",
                "temporalCoverage":"1979-01-01T00:00:00Z/1981-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01016410&CharacteristicName=Mercury&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.73310187 46.65587448)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01016410",
                "siteName":"USGS-01016410",
                "datasetDescription":"pH at USGS-01016410",
                "type":"Stream",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-01016410/",
                "variableMeasured":"pH",
                "variableUnit":"Unknown",
                "measurementTechnique":"observation",
                "temporalCoverage":"1979-01-01T00:00:00Z/1982-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01016410&CharacteristicName=pH&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.73310187 46.65587448)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01016410",
                "siteName":"USGS-01016410",
                "datasetDescription":"Kjeldahl nitrogen at USGS-01016410",
                "type":"Stream",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-01016410/",
                "variableMeasured":"Kjeldahl nitrogen",
                "variableUnit":"milligrams per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1980-01-01T00:00:00Z/1980-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01016410&CharacteristicName=Kjeldahl nitrogen&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.73310187 46.65587448)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01016410",
                "siteName":"USGS-01016410",
                "datasetDescription":"Oxygen at USGS-01016410",
                "type":"Stream",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-01016410/",
                "variableMeasured":"Oxygen",
                "variableUnit":"milligrams per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1979-01-01T00:00:00Z/1982-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01016410&CharacteristicName=Oxygen&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.73310187 46.65587448)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01016410",
                "siteName":"USGS-01016410",
                "datasetDescription":"Nitrogen, mixed forms (NH3), (NH4), organic, (NO2) and (NO3) at USGS-01016410",
                "type":"Stream",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-01016410/",
                "variableMeasured":"Nitrogen, mixed forms (NH3), (NH4), organic, (NO2) and (NO3)",
                "variableUnit":"milligrams per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1980-01-01T00:00:00Z/1980-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01016410&CharacteristicName=Nitrogen, mixed forms (NH3), (NH4), organic, (NO2) and (NO3)&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.73310187 46.65587448)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01016410",
                "siteName":"USGS-01016410",
                "datasetDescription":"Arsenic at USGS-01016410",
                "type":"Stream",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-01016410/",
                "variableMeasured":"Arsenic",
                "variableUnit":"parts per million",
                "measurementTechnique":"observation",
                "temporalCoverage":"1980-01-01T00:00:00Z/1980-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01016410&CharacteristicName=Arsenic&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.73310187 46.65587448)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01016410",
                "siteName":"USGS-01016410",
                "datasetDescription":"Phosphorus at USGS-01016410",
                "type":"Stream",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-01016410/",
                "variableMeasured":"Phosphorus",
                "variableUnit":"parts per billion",
                "measurementTechnique":"observation",
                "temporalCoverage":"1980-01-01T00:00:00Z/1982-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01016410&CharacteristicName=Phosphorus&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.73310187 46.65587448)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01016410",
                "siteName":"USGS-01016410",
                "datasetDescription":"Carbon dioxide at USGS-01016410",
                "type":"Stream",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-01016410/",
                "variableMeasured":"Carbon dioxide",
                "variableUnit":"milligrams per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"1979-01-01T00:00:00Z/1982-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01016410&CharacteristicName=Carbon dioxide&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.73310187 46.65587448)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01016410",
                "siteName":"USGS-01016410",
                "datasetDescription":"Biochemical oxygen demand, standard conditions at USGS-01016410",
                "type":"Stream",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-01016410/",
                "variableMeasured":"Biochemical oxygen demand, standard conditions",
                "variableUnit":"Unknown",
                "measurementTechnique":"observation",
                "temporalCoverage":"1979-01-01T00:00:00Z/1980-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01016410&CharacteristicName=Biochemical oxygen demand, standard conditions&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.73310187 46.65587448)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-464051068450201",
                "siteName":"USGS-464051068450201",
                "datasetDescription":"Depth, snow cover at USGS-464051068450201",
                "type":"Atmosphere",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-464051068450201/",
                "variableMeasured":"Depth, snow cover",
                "variableUnit":"inches",
                "measurementTechnique":"observation",
                "temporalCoverage":"2001-01-01T00:00:00Z/2009-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-464051068450201&CharacteristicName=Depth, snow cover&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.7500464 46.68087445)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-464051068450201",
                "siteName":"USGS-464051068450201",
                "datasetDescription":"Water content of snow at USGS-464051068450201",
                "type":"Atmosphere",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-ME/USGS-464051068450201/",
                "variableMeasured":"Water content of snow",
                "variableUnit":"inches",
                "measurementTechnique":"observation",
                "temporalCoverage":"2001-01-01T00:00:00Z/2009-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-464051068450201&CharacteristicName=Water content of snow&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-68.7500464 46.68087445)"
            }
        ]
    },
    "id":"2241727",
    "geometry":{
        "type":"LineString",
        "coordinates":[
            [
                -69.06900886989773,
                46.60468092766023
            ],
            [
                -69.0590588699132,
                46.60499592765984
            ],
            [
                -69.0423714032724,
                46.608551327654325
            ],
            [
                -69.03759026994652,
                46.611610927649565
            ],
            [
                -69.02023880330677,
                46.613676794312894
            ],
            [
                -68.99949367000562,
                46.620422527635924
            ],
            [
                -68.99628300334399,
                46.62271172763228
            ],
            [
                -68.98170687003318,
                46.61671472764161
            ],
            [
                -68.97980920336954,
                46.61317339431373
            ],
            [
                -68.97224460338128,
                46.61224292764855
            ],
            [
                -68.96845920338717,
                46.60991459431884
            ],
            [
                -68.96123140339836,
                46.61174899431592
            ],
            [
                -68.95446420340892,
                46.611342594316554
            ],
            [
                -68.95078540341461,
                46.61353952764664
            ],
            [
                -68.93728707010223,
                46.61542219431018
            ],
            [
                -68.93390560344079,
                46.61732139430731
            ],
            [
                -68.93331387010835,
                46.62246492763264
            ],
            [
                -68.92979787011382,
                46.62310672763175
            ],
            [
                -68.92860647011571,
                46.62617032762691
            ],
            [
                -68.92130847012692,
                46.6277279942912
            ],
            [
                -68.91629780346807,
                46.62674712762598
            ],
            [
                -68.90658140348324,
                46.63545932761245
            ],
            [
                -68.90531960348511,
                46.63404252761461
            ],
            [
                -68.8995460701608,
                46.63466112761372
            ],
            [
                -68.89921607016124,
                46.63879872760736
            ],
            [
                -68.89179080350618,
                46.63862939427432
            ],
            [
                -68.8876898701792,
                46.640692727604375
            ],
            [
                -68.87645080352996,
                46.65615112758034
            ],
            [
                -68.87372847020089,
                46.65448239424962
            ],
            [
                -68.86546247021363,
                46.65663079424642
            ],
            [
                -68.86549560354695,
                46.65775079424452
            ],
            [
                -68.85686460356034,
                46.65630979424682
            ],
            [
                -68.84537800357823,
                46.657198994245334
            ],
            [
                -68.84155747025072,
                46.66183819423828
            ],
            [
                -68.83578067025974,
                46.66179072757166
            ],
            [
                -68.83441607026185,
                46.6642237942346
            ],
            [
                -68.83023980360173,
                46.666007327565026
            ],
            [
                -68.82028140361717,
                46.66753432756279
            ],
            [
                -68.80555747030672,
                46.67849619421235
            ],
            [
                -68.80035047031475,
                46.68046432754262
            ],
            [
                -68.786674070336,
                46.68268019420594
            ],
            [
                -68.76876127036373,
                46.67875959421197
            ],
            [
                -68.75785220371404,
                46.68068779420895
            ],
            [
                -68.7425088037379,
                46.67401299421943
            ],
            [
                -68.74289167040399,
                46.66685792756379
            ],
            [
                -68.74105920374006,
                46.66386532756843
            ],
            [
                -68.73650840374722,
                46.66286412757002
            ],
            [
                -68.73546947041541,
                46.65804199424408
            ],
            [
                -68.72765427042754,
                46.65073459425555
            ],
            [
                -68.72520307043142,
                46.635421727612595
            ],
            [
                -68.71972207043996,
                46.632157594284315
            ],
            [
                -68.7217578704367,
                46.62004092763651
            ],
            [
                -68.7193912037738,
                46.61350539431325
            ],
            [
                -68.72272220376863,
                46.602759127663234
            ],
            [
                -68.72646300376276,
                46.59909859433563
            ],
            [
                -68.7246984704322,
                46.59530559434148
            ],
            [
                -68.72270707043532,
                46.5943473276764
            ],
            [
                -68.72277740376843,
                46.596495927673
            ],
            [
                -68.72131827043745,
                46.5965199943396
            ],
            [
                -68.71992067043959,
                46.59377812767729
            ],
            [
                -68.7164390704449,
                46.59375812767721
            ],
            [
                -68.71736547044355,
                46.592522994345956
            ],
            [
                -68.71357960378276,
                46.58893719435136
            ],
            [
                -68.70495660379618,
                46.58718352768739
            ],
            [
                -68.69898267047205,
                46.582775794361
            ],
            [
                -68.69013120381919,
                46.58278119436092
            ],
            [
                -68.68764267048965,
                46.58090819436385
            ],
            [
                -68.68899880382088,
                46.57837012770108
            ],
            [
                -68.68001467050146,
                46.57750619436904
            ],
            [
                -68.68143780383264,
                46.57533399437249
            ],
            [
                -68.68017667050128,
                46.573894527708
            ],
            [
                -68.67586720384122,
                46.57330219437563
            ],
            [
                -68.6750036038427,
                46.57147379437851
            ],
            [
                -68.6652890705243,
                46.56740892771821
            ],
            [
                -68.65212987054474,
                46.563961194390195
            ],
            [
                -68.64692547055292,
                46.560602194395386
            ],
            [
                -68.63164840390995,
                46.556878194401136
            ],
            [
                -68.6209790705932,
                46.548969194413516
            ],
            [
                -68.61650660393344,
                46.54830619441437
            ],
            [
                -68.6149168039359,
                46.54547159441888
            ],
            [
                -68.6108420706089,
                46.54503679441953
            ],
            [
                -68.61312847060532,
                46.542134127757286
            ],
            [
                -68.60971647061069,
                46.54172219442473
            ],
            [
                -68.61193627060727,
                46.54044239442662
            ],
            [
                -68.61084340394217,
                46.53952792776148
            ],
            [
                -68.6034882706203,
                46.542818394423
            ],
            [
                -68.60418307061917,
                46.544944527753074
            ],
            [
                -68.60087047062434,
                46.544623727753475
            ],
            [
                -68.59934300396014,
                46.55239532774138
            ],
            [
                -68.59148820397229,
                46.55591359440278
            ],
            [
                -68.59360740396902,
                46.55865712773175
            ],
            [
                -68.59072167064011,
                46.56279372772532
            ],
            [
                -68.58734167064529,
                46.56260979439226
            ],
            [
                -68.5890968706426,
                46.56437039438956
            ],
            [
                -68.58637900398026,
                46.5647809943889
            ],
            [
                -68.58587847064769,
                46.569466927714906
            ],
            [
                -68.5831590706519,
                46.571637527711495
            ],
            [
                -68.58255547065284,
                46.580711927697436
            ],
            [
                -68.56540080401278,
                46.59515079434181
            ],
            [
                -68.55724287069205,
                46.59578639434082
            ],
            [
                -68.54139847071671,
                46.59195859434659
            ],
            [
                -68.52980507073465,
                46.58538912769034
            ],
            [
                -68.52151800408086,
                46.584764794357895
            ],
            [
                -68.51690540408799,
                46.58686352768789
            ],
            [
                -68.51161027076286,
                46.58240112769492
            ],
            [
                -68.50706207077003,
                46.58532232769027
            ],
            [
                -68.49873960411617,
                46.586301194355435
            ],
            [
                -68.48947487079732,
                46.58961499435049
            ],
            [
                -68.48879180413162,
                46.594747394342406
            ],
            [
                -68.49341867079119,
                46.5963627276733
            ],
            [
                -68.49601187078719,
                46.606258994324634
            ],
            [
                -68.49365020412415,
                46.609990127652054
            ],
            [
                -68.48435720413852,
                46.61215712764872
            ],
            [
                -68.48146740414296,
                46.61446052764519
            ],
            [
                -68.47462220415372,
                46.61225439431533
            ],
            [
                -68.47630780415108,
                46.616294794308885
            ],
            [
                -68.47314220415603,
                46.62012339430286
            ],
            [
                -68.46356200417074,
                46.619856727636716
            ],
            [
                -68.45911820417778,
                46.62223412763307
            ],
            [
                -68.45503227085074,
                46.62112519430142
            ],
            [
                -68.44637607086423,
                46.62843312762341
            ],
            [
                -68.43908547087551,
                46.63035292762036
            ],
            [
                -68.42136373756972,
                46.62094692763512
            ]
        ]
    },
    "prev":"2241625",
    "next":"2241743",
    "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/2241727?f=json"
        },
        {
            "rel":"alternate",
            "type":"application/ld+json",
            "title":"This document as RDF (JSON-LD)",
            "href":"https://geoconnex.us/ref/mainstems/2241727?f=jsonld"
        },
        {
            "rel":"alternate",
            "type":"text/html",
            "title":"This document as HTML",
            "href":"https://geoconnex.us/ref/mainstems/2241727?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/2241625?f=json"
        },
        {
            "rel":"next",
            "type":"application/json",
            "href":"https://reference.geoconnex.us/collections/mainstems/items/2241743?f=json"
        }
    ]
}