@prefix dcat: <http://www.w3.org/ns/dcat#> .
@prefix dct: <http://purl.org/dc/terms/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix gsp: <http://www.opengis.net/ont/geosparql#> .
@prefix locn: <http://www.w3.org/ns/locn#> .
@prefix vcard: <http://www.w3.org/2006/vcard/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://data.amerigeoss.org/dataset/58d2e9ee-0bdd-43a4-afc8-93c310f32c11> a dcat:Dataset ;
    dct:description """This folder contains 3 .csv files which contain all the observations for the suite of major ion and nutrient constituents for the Heart River Basin. These files contain the water-quality observations for the statistical summary tables in the report cited in this data release (Tatge and others, 2021).The allsiteinfo.table.csv file can be used to cross reference the sites with the main report (Tatge and others, 2021).
Tatge, W.S., Nustad, R.A., and Galloway, J.M., 2021, Evaluation of Salinity and Nutrient Conditions in the Heart River Basin, North Dakota, 1970-2020: U.S. Geological Survey Scientific Investigations Report 2021-XXXX, XX p.""" ;
    dct:identifier "USGS:615cbffed34e7b019242b92a" ;
    dct:issued "2025-11-21T21:19:50.972317"^^xsd:dateTime ;
    dct:modified "20220314"^^xsd:gYear ;
    dct:publisher <https://data.amerigeoss.org/organization/727dbdd5-3f98-4ac0-9d28-5e344558139b> ;
    dct:spatial [ a dct:Location ;
            locn:geometry "POLYGON ((-103.1506 46.4073, -103.1506 46.9949, -100.7666 46.9949, -100.7666 46.4073, -103.1506 46.4073))"^^gsp:wktLiteral ] ;
    dct:title "Water-quality data used for descriptive statistic summaries in the Heart River Basin, North Dakota, 1970-2020" ;
    dcat:contactPoint [ a vcard:Organization ;
            vcard:fn "Wyatt S Tatge" ;
            vcard:hasEmail <mailto:wtatge@usgs.gov> ] ;
    dcat:distribution <https://data.amerigeoss.org/dataset/58d2e9ee-0bdd-43a4-afc8-93c310f32c11/resource/55c8689a-2d09-4f4a-a2b8-65e8e879295a>,
        <https://data.amerigeoss.org/dataset/58d2e9ee-0bdd-43a4-afc8-93c310f32c11/resource/82151d43-f8fc-4b80-b584-849840fb0754> ;
    dcat:keyword "amerigeo",
        "amerigeoss",
        "ckan",
        "geo",
        "geoss",
        "heart-river",
        "national",
        "north-america",
        "north-dakota",
        "nutrients",
        "united-states",
        "usgs-615cbffed34e7b019242b92a",
        "water-chemistry",
        "water-quality" ;
    dcat:theme <%7Bgeospatial%7D> .

<https://data.amerigeoss.org/dataset/58d2e9ee-0bdd-43a4-afc8-93c310f32c11/resource/55c8689a-2d09-4f4a-a2b8-65e8e879295a> a dcat:Distribution ;
    dct:description "The metadata original format" ;
    dct:format "XML" ;
    dct:issued "2022-08-06T17:35:15.766220"^^xsd:dateTime ;
    dct:modified "2025-11-21T21:19:50.963584"^^xsd:dateTime ;
    dct:title "Original Metadata" ;
    dcat:accessURL <https://data.usgs.gov/datacatalog/metadata/USGS.615cbffed34e7b019242b92a.xml> ;
    dcat:mediaType "text/xml" .

<https://data.amerigeoss.org/dataset/58d2e9ee-0bdd-43a4-afc8-93c310f32c11/resource/82151d43-f8fc-4b80-b584-849840fb0754> a dcat:Distribution ;
    dct:description "Landing page for access to the data" ;
    dct:format "XML" ;
    dct:issued "2022-08-06T17:35:15.766230"^^xsd:dateTime ;
    dct:modified "2025-11-21T21:19:50.964073"^^xsd:dateTime ;
    dct:title "Digital Data" ;
    dcat:accessURL <https://doi.org/10.5066/P987APZ8> ;
    dcat:mediaType "application/http" .

<https://data.amerigeoss.org/organization/727dbdd5-3f98-4ac0-9d28-5e344558139b> a foaf:Agent ;
    foaf:name "US Migrating" .