@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/30891520-f658-4456-92da-f1b117ee8698> a dcat:Dataset ;
    dct:description "This data release contains appendix C1 and appendix C2 for the USGS Scientific Investigations Report (SIR) titled Hydrologic and Geochemical Characterization of the Petaluma River Watershed, Sonoma County, California. Appendix C1 contains selected chemical and physical properties and inorganic constituents in samples from selected springs, and wells, Petaluma Valley watershed, Sonoma County, California, 1959-2015. Samples are presented from 66 groundwater wells, 3 springs, and 2 surface-water sites. Data samples were collected by the U.S. Geological Survey (USGS), California Department of Water Resources (CDWR), California Department of Health Services (CDPH), and the City of Petaluma as part of the study." ;
    dct:identifier "USGS:61d3496ad34ed79293fe6d6d" ;
    dct:issued "2025-11-20T19:09:07.389639"^^xsd:dateTime ;
    dct:modified "20220124"^^xsd:gYear ;
    dct:publisher <https://data.amerigeoss.org/organization/727dbdd5-3f98-4ac0-9d28-5e344558139b> ;
    dct:spatial [ a dct:Location ;
            locn:geometry "POLYGON ((-122.8400 38.0223, -122.8400 38.3966, -122.3830 38.3966, -122.3830 38.0223, -122.8400 38.0223))"^^gsp:wktLiteral ] ;
    dct:title "Selected Chemical and Physical Properties and Inorganic Constituents and Time-Series Nitrate in Samples from selected wells and/or springs, Petaluma Valley watershed, Sonoma County, California, 1959-2015" ;
    dcat:contactPoint [ a vcard:Organization ;
            vcard:fn "Jonathan A Traum" ;
            vcard:hasEmail <mailto:jtraum@usgs.gov> ] ;
    dcat:distribution <https://data.amerigeoss.org/dataset/30891520-f658-4456-92da-f1b117ee8698/resource/50f36cc3-d41d-4ee9-8d66-34f53e20e78b>,
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    dcat:keyword "amerigeo",
        "amerigeoss",
        "ckan",
        "geo",
        "geoss",
        "national",
        "north-america",
        "oceans",
        "petaluma",
        "petaluma-river",
        "united-states",
        "usgs-61d3496ad34ed79293fe6d6d",
        "water-quality" ;
    dcat:theme <%7Bgeospatial%7D> .

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    dct:description "The metadata original format" ;
    dct:format "XML" ;
    dct:issued "2022-07-07T14:53:40.671130"^^xsd:dateTime ;
    dct:modified "2025-11-20T19:09:07.381655"^^xsd:dateTime ;
    dct:title "Original Metadata" ;
    dcat:accessURL <https://data.usgs.gov/datacatalog/metadata/USGS.61d3496ad34ed79293fe6d6d.xml> ;
    dcat:mediaType "text/xml" .

<https://data.amerigeoss.org/dataset/30891520-f658-4456-92da-f1b117ee8698/resource/9abc1f1f-5793-46d7-801b-16fdc2ed4327> a dcat:Distribution ;
    dct:description "Landing page for access to the data" ;
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    dct:issued "2022-07-07T14:53:40.671138"^^xsd:dateTime ;
    dct:modified "2025-11-20T19:09:07.382072"^^xsd:dateTime ;
    dct:title "Digital Data" ;
    dcat:accessURL <https://doi.org/10.5066/P9IRYFMB> ;
    dcat:mediaType "application/http" .

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