@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/16d5990c-2bb0-49e0-84ba-18e70735b0cb> 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-ea6a1e8b-8179-4469-a5d9-39757c12e1c1> ;
    dct:issued "2025-09-24T01:26:33.137215"^^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 ((-122.0800 36.9200, -122.0800 37.5600, -121.0000 37.5600, -121.0000 36.9200, -122.0800 36.9200))"^^gsp:wktLiteral ] ;
    dct:title "Airborne geophysical survey: San Jose, 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/16d5990c-2bb0-49e0-84ba-18e70735b0cb/resource/3ebd9fe3-f813-46e2-9e06-9785061ed9d7>,
        <https://data.amerigeoss.org/dataset/16d5990c-2bb0-49e0-84ba-18e70735b0cb/resource/c3759e44-de06-4fe6-84f9-31350e7ce65b> ;
    dcat:keyword "AmeriGEO",
        "AmeriGEOSS",
        "CKAN",
        "GEO",
        "GEOSS",
        "National",
        "North America",
        "United States",
        "aeromagnetic-data",
        "aeromagnetic-surveying",
        "airborne-surveys",
        "ca",
        "california",
        "f06001-alameda",
        "f06047-merced",
        "f06077-san-joaquin",
        "f06085-santa-clara",
        "f06087-santa-cruz",
        "f06099-stanislaus",
        "field-monitoring-stations",
        "geophysical-surveys",
        "geophysics",
        "geospatial-datasets",
        "magnetic",
        "magnetic-field-earth",
        "magnetic-surveys",
        "residual-magnetic-field",
        "san-jose",
        "total-field",
        "united-states",
        "usgs-ea6a1e8b-8179-4469-a5d9-39757c12e1c1" ;
    dcat:theme <%7Bgeospatial%7D> .

<https://data.amerigeoss.org/dataset/16d5990c-2bb0-49e0-84ba-18e70735b0cb/resource/3ebd9fe3-f813-46e2-9e06-9785061ed9d7> a dcat:Distribution ;
    dct:description "Landing page for access to the data" ;
    dct:format "XML" ;
    dct:issued "2025-09-13T05:23:42.227811"^^xsd:dateTime ;
    dct:modified "2025-09-24T01:26:33.102571"^^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/16d5990c-2bb0-49e0-84ba-18e70735b0cb/resource/c3759e44-de06-4fe6-84f9-31350e7ce65b> a dcat:Distribution ;
    dct:description "The metadata original format" ;
    dct:format "XML" ;
    dct:issued "2025-09-15T23:03:00.129747"^^xsd:dateTime ;
    dct:modified "2025-09-24T01:26:33.103668"^^xsd:dateTime ;
    dct:title "Original Metadata" ;
    dcat:accessURL <https://data.usgs.gov/datacatalog/metadata/USGS.ea6a1e8b-8179-4469-a5d9-39757c12e1c1.xml> ;
    dcat:mediaType "text/xml" .

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

