@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/18467f45-863f-4d6b-94d3-b5b98eb24b6b> 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-034fcab0-2ccb-48de-ac38-5e0de25402ad> ;
    dct:issued "2025-09-23T17:35:32.930438"^^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 ((-120.2000 38.4200, -120.2000 38.6700, -119.8700 38.6700, -119.8700 38.4200, -120.2000 38.4200))"^^gsp:wktLiteral ] ;
    dct:title "Airborne geophysical survey: Mokelume, California" ;
    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/18467f45-863f-4d6b-94d3-b5b98eb24b6b/resource/1fdefe60-3161-408f-834b-638d908ce034>,
        <https://data.amerigeoss.org/dataset/18467f45-863f-4d6b-94d3-b5b98eb24b6b/resource/65c5a365-685a-44fa-8f57-2fbb355519dc> ;
    dcat:keyword "AmeriGEO",
        "AmeriGEOSS",
        "CKAN",
        "GEO",
        "GEOSS",
        "National",
        "North America",
        "United States",
        "aeromagnetic-data",
        "aeromagnetic-surveying",
        "airborne-surveys",
        "ca",
        "california",
        "f06003-alpine",
        "f06005-amador",
        "f06009-calaveras",
        "field-monitoring-stations",
        "geophysical-surveys",
        "geophysics",
        "geospatial-datasets",
        "magnetic",
        "magnetic-field-earth",
        "magnetic-surveys",
        "mokelume",
        "mokelumne",
        "residual-magnetic-field",
        "total-field",
        "united-states",
        "usgs-034fcab0-2ccb-48de-ac38-5e0de25402ad" ;
    dcat:theme <%7Bgeospatial%7D> .

<https://data.amerigeoss.org/dataset/18467f45-863f-4d6b-94d3-b5b98eb24b6b/resource/1fdefe60-3161-408f-834b-638d908ce034> a dcat:Distribution ;
    dct:description "The metadata original format" ;
    dct:format "XML" ;
    dct:issued "2025-09-17T06:26:56.525461"^^xsd:dateTime ;
    dct:modified "2025-09-23T17:35:32.903433"^^xsd:dateTime ;
    dct:title "Original Metadata" ;
    dcat:accessURL <https://data.usgs.gov/datacatalog/metadata/USGS.034fcab0-2ccb-48de-ac38-5e0de25402ad.xml> ;
    dcat:mediaType "text/xml" .

<https://data.amerigeoss.org/dataset/18467f45-863f-4d6b-94d3-b5b98eb24b6b/resource/65c5a365-685a-44fa-8f57-2fbb355519dc> a dcat:Distribution ;
    dct:description "Landing page for access to the data" ;
    dct:format "XML" ;
    dct:issued "2025-09-14T12:15:46.765338"^^xsd:dateTime ;
    dct:modified "2025-09-23T17:35:32.904238"^^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/organization/727dbdd5-3f98-4ac0-9d28-5e344558139b> a foaf:Agent ;
    foaf:name "US Migrating" .