{
    "type":"Feature",
    "properties":{
        "fid":822,
        "id":"2294372",
        "uri":"https://geoconnex.us/ref/mainstems/2294372",
        "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/2294181",
        "encompassing_mainstem_basins":"['https://geoconnex.us/ref/mainstems/2294181', 'https://geoconnex.us/ref/mainstems/2294101']",
        "name_at_outlet":"Rush Brook",
        "name_at_outlet_gnis_id":1218656,
        "head_nhdpv2_comid":"https://geoconnex.us/nhdplusv2/comid/6128499",
        "outlet_nhdpv2_comid":"https://geoconnex.us/nhdplusv2/comid/6130347",
        "head_nhdpv2huc12":"https://geoconnex.us/nhdplusv2/huc12/010900040604",
        "outlet_nhdpv2huc12":"https://geoconnex.us/nhdplusv2/huc12/010900040604",
        "lengthkm":15.4,
        "outlet_drainagearea_sqkm":84.5,
        "head_rf1id":null,
        "outlet_rf1id":null,
        "head_nhdpv1_comid":6128499,
        "outlet_nhdpv1_comid":6130347,
        "head_2020huc12":"010900040604",
        "outlet_2020huc12":"010900040604",
        "superseded":false,
        "new_mainstemid":"",
        "datasets":[
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01115176",
                "siteName":"USGS-01115176",
                "datasetDescription":"Magnesium at USGS-01115176",
                "type":"Lake, Reservoir, Impoundment",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-MA/USGS-01115176/",
                "variableMeasured":"Magnesium",
                "variableUnit":"percent",
                "measurementTechnique":"observation",
                "temporalCoverage":"2014-01-01T00:00:00Z/2014-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01115176&CharacteristicName=Magnesium&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-71.5933971 41.8331549)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01115176",
                "siteName":"USGS-01115176",
                "datasetDescription":"Potassium at USGS-01115176",
                "type":"Lake, Reservoir, Impoundment",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-MA/USGS-01115176/",
                "variableMeasured":"Potassium",
                "variableUnit":"milligrams per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"2014-01-01T00:00:00Z/2014-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01115176&CharacteristicName=Potassium&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-71.5933971 41.8331549)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01115176",
                "siteName":"USGS-01115176",
                "datasetDescription":"pH at USGS-01115176",
                "type":"Lake, Reservoir, Impoundment",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-MA/USGS-01115176/",
                "variableMeasured":"pH",
                "variableUnit":"Unknown",
                "measurementTechnique":"observation",
                "temporalCoverage":"2014-01-01T00:00:00Z/2014-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01115176&CharacteristicName=pH&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-71.5933971 41.8331549)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01115176",
                "siteName":"USGS-01115176",
                "datasetDescription":"Sodium at USGS-01115176",
                "type":"Lake, Reservoir, Impoundment",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-MA/USGS-01115176/",
                "variableMeasured":"Sodium",
                "variableUnit":"milligrams per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"2014-01-01T00:00:00Z/2014-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01115176&CharacteristicName=Sodium&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-71.5933971 41.8331549)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01115176",
                "siteName":"USGS-01115176",
                "datasetDescription":"Calcium at USGS-01115176",
                "type":"Lake, Reservoir, Impoundment",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-MA/USGS-01115176/",
                "variableMeasured":"Calcium",
                "variableUnit":"milligrams per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"2014-01-01T00:00:00Z/2014-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01115176&CharacteristicName=Calcium&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-71.5933971 41.8331549)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01115176",
                "siteName":"USGS-01115176",
                "datasetDescription":"Specific conductance at USGS-01115176",
                "type":"Lake, Reservoir, Impoundment",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-MA/USGS-01115176/",
                "variableMeasured":"Specific conductance",
                "variableUnit":"microsiemens per centimeter",
                "measurementTechnique":"observation",
                "temporalCoverage":"2014-01-01T00:00:00Z/2014-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01115176&CharacteristicName=Specific conductance&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-71.5933971 41.8331549)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01115176",
                "siteName":"USGS-01115176",
                "datasetDescription":"Chloride at USGS-01115176",
                "type":"Lake, Reservoir, Impoundment",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-MA/USGS-01115176/",
                "variableMeasured":"Chloride",
                "variableUnit":"milligrams per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"2014-01-01T00:00:00Z/2014-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01115176&CharacteristicName=Chloride&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-71.5933971 41.8331549)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01115176",
                "siteName":"USGS-01115176",
                "datasetDescription":"Sulfate at USGS-01115176",
                "type":"Lake, Reservoir, Impoundment",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-MA/USGS-01115176/",
                "variableMeasured":"Sulfate",
                "variableUnit":"milligrams per liter",
                "measurementTechnique":"observation",
                "temporalCoverage":"2014-01-01T00:00:00Z/2014-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01115176&CharacteristicName=Sulfate&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-71.5933971 41.8331549)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01115176",
                "siteName":"USGS-01115176",
                "datasetDescription":"Sodium, percent total cations at USGS-01115176",
                "type":"Lake, Reservoir, Impoundment",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-MA/USGS-01115176/",
                "variableMeasured":"Sodium, percent total cations",
                "variableUnit":"percent",
                "measurementTechnique":"observation",
                "temporalCoverage":"2014-01-01T00:00:00Z/2014-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01115176&CharacteristicName=Sodium, percent total cations&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-71.5933971 41.8331549)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-01115176",
                "siteName":"USGS-01115176",
                "datasetDescription":"Hardness, Ca, Mg at USGS-01115176",
                "type":"Lake, Reservoir, Impoundment",
                "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-MA/USGS-01115176/",
                "variableMeasured":"Hardness, Ca, Mg",
                "variableUnit":"milligrams per liter as calcium carbonate",
                "measurementTechnique":"observation",
                "temporalCoverage":"2014-01-01T00:00:00Z/2014-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-01115176&CharacteristicName=Hardness, Ca, Mg&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-71.5933971 41.8331549)"
            }
        ]
    },
    "id":"2294372",
    "geometry":{
        "type":"LineString",
        "coordinates":[
            [
                -71.6629225325381,
                41.86381880168576
            ],
            [
                -71.65900893254417,
                41.866083801682166
            ],
            [
                -71.64961419922548,
                41.85726120169598
            ],
            [
                -71.64199779923729,
                41.854382068367016
            ],
            [
                -71.63374073258342,
                41.85500080169935
            ],
            [
                -71.63328113258409,
                41.8509082017057
            ],
            [
                -71.631231999254,
                41.849696601707635
            ],
            [
                -71.61331213261514,
                41.84777646837738
            ],
            [
                -71.61025439928648,
                41.846015668380105
            ],
            [
                -71.60976559928724,
                41.84292900171822
            ],
            [
                -71.60402373262957,
                41.84190306838647
            ],
            [
                -71.60363993263019,
                41.83755960172642
            ],
            [
                -71.59596479930877,
                41.835945068395695
            ],
            [
                -71.59331913264606,
                41.834010001732004
            ],
            [
                -71.59139373264918,
                41.82315800174872
            ],
            [
                -71.59674493264083,
                41.81552620176068
            ],
            [
                -71.5945311326443,
                41.812380801765634
            ],
            [
                -71.5969019326406,
                41.8057244684426
            ],
            [
                -71.59606593264186,
                41.79624820179068
            ],
            [
                -71.60106759930085,
                41.79011026846692
            ],
            [
                -71.60313173263097,
                41.77640066848807
            ],
            [
                -71.60167973263322,
                41.77456720182424
            ]
        ]
    },
    "prev":"2294366",
    "next":"2294458",
    "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/2294372?f=json"
        },
        {
            "rel":"alternate",
            "type":"application/ld+json",
            "title":"This document as RDF (JSON-LD)",
            "href":"https://geoconnex.us/ref/mainstems/2294372?f=jsonld"
        },
        {
            "rel":"alternate",
            "type":"text/html",
            "title":"This document as HTML",
            "href":"https://geoconnex.us/ref/mainstems/2294372?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/2294366?f=json"
        },
        {
            "rel":"next",
            "type":"application/json",
            "href":"https://reference.geoconnex.us/collections/mainstems/items/2294458?f=json"
        }
    ]
}