@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/24824748-ea25-44d2-a836-a6f0f253b038> a dcat:Dataset ;
    dct:description """Aeromagnetic data were collected along flight lines by instruments in an
aircraft that recorded magnetic-field values and locations.  This dataset
presents latitude, longitude, altitude, and magnetic-field values.""" ;
    dct:identifier <http://datainventory.doi.gov/id/dataset/usgs-c9a885d0-2129-42c1-8304-1d92fc4fe2ab> ;
    dct:issued "2025-09-24T11:08:34.213355"^^xsd:dateTime ;
    dct:modified "2020-11-10T00:00:00+00:00"^^xsd:dateTime ;
    dct:publisher <https://data.amerigeoss.org/organization/727dbdd5-3f98-4ac0-9d28-5e344558139b> ;
    dct:spatial [ a dct:Location ;
            locn:geometry "POLYGON ((-120.0000 37.9300, -120.0000 38.8200, -118.8300 38.8200, -118.8300 37.9300, -120.0000 37.9300))"^^gsp:wktLiteral ] ;
    dct:title "Airborne geophysical survey: Hoover-Walker Lake, California Survey parts 1, 2, and 3 of 3" ;
    dcat:contactPoint [ a vcard:Organization ;
            vcard:fn "USGS Gravity and Magnetics Contact" ;
            vcard:hasEmail <mailto:grav_mag@usgs.gov> ] ;
    dcat:distribution <https://data.amerigeoss.org/dataset/24824748-ea25-44d2-a836-a6f0f253b038/resource/1b169136-e9b4-4c41-99e7-0b9f509a5287>,
        <https://data.amerigeoss.org/dataset/24824748-ea25-44d2-a836-a6f0f253b038/resource/d7ee95ff-14a0-4632-8fee-f5a32ff016f7> ;
    dcat:keyword "AmeriGEO",
        "AmeriGEOSS",
        "CKAN",
        "GEO",
        "GEOSS",
        "National",
        "North America",
        "United States",
        "aeromagnetic-data",
        "aeromagnetic-surveying",
        "airborne-surveys",
        "ca",
        "california",
        "f06003-alpine",
        "f06009-calaveras",
        "f06017-el-dorado",
        "f06051-mono",
        "f06109-tuolumne",
        "f32005-douglas",
        "field-monitoring-stations",
        "geophysical-surveys",
        "geophysics",
        "geospatial-datasets",
        "hoover-wilderness",
        "magnetic",
        "magnetic-field-earth",
        "magnetic-surveys",
        "residual-magnetic-field",
        "total-field",
        "united-states",
        "usgs-c9a885d0-2129-42c1-8304-1d92fc4fe2ab",
        "west-walker-river" ;
    dcat:theme <%7Bgeospatial%7D> .

<https://data.amerigeoss.org/dataset/24824748-ea25-44d2-a836-a6f0f253b038/resource/1b169136-e9b4-4c41-99e7-0b9f509a5287> a dcat:Distribution ;
    dct:description "Landing page for access to the data" ;
    dct:format "XML" ;
    dct:issued "2025-09-14T10:18:51.679389"^^xsd:dateTime ;
    dct:modified "2025-09-24T11:08:34.172665"^^xsd:dateTime ;
    dct:title "Digital Data" ;
    dcat:accessURL <http://pubs.usgs.gov/of/2002/ofr-02-361/> ;
    dcat:mediaType "application/http" .

<https://data.amerigeoss.org/dataset/24824748-ea25-44d2-a836-a6f0f253b038/resource/d7ee95ff-14a0-4632-8fee-f5a32ff016f7> a dcat:Distribution ;
    dct:description "The metadata original format" ;
    dct:format "XML" ;
    dct:issued "2025-09-17T06:18:45.689066"^^xsd:dateTime ;
    dct:modified "2025-09-24T11:08:34.171235"^^xsd:dateTime ;
    dct:title "Original Metadata" ;
    dcat:accessURL <https://data.usgs.gov/datacatalog/metadata/USGS.c9a885d0-2129-42c1-8304-1d92fc4fe2ab.xml> ;
    dcat:mediaType "text/xml" .

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