@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/6ae4a874-5617-4b6b-bf86-a0a25445116a> 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 "USGS:68c2276a-4559-469b-851c-ff8ab41607ef" ;
    dct:issued "2025-11-19T14:53:47.719147"^^xsd:dateTime ;
    dct:modified "20201110"^^xsd:gYear ;
    dct:publisher <https://data.amerigeoss.org/organization/727dbdd5-3f98-4ac0-9d28-5e344558139b> ;
    dct:spatial [ a dct:Location ;
            locn:geometry "POLYGON ((-122.3800 41.2500, -122.3800 41.5800, -122.0000 41.5800, -122.0000 41.2500, -122.3800 41.2500))"^^gsp:wktLiteral ] ;
    dct:title "Airborne geophysical survey: Shasta, 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/6ae4a874-5617-4b6b-bf86-a0a25445116a/resource/aec948fe-acfa-48f3-904a-4c2ad4f8e8ab>,
        <https://data.amerigeoss.org/dataset/6ae4a874-5617-4b6b-bf86-a0a25445116a/resource/c972ef06-095f-41d8-a2cf-cc7acee265e0> ;
    dcat:keyword "aeromagnetic-data",
        "aeromagnetic-surveying",
        "airborne-surveys",
        "amerigeo",
        "amerigeoss",
        "ca",
        "california",
        "ckan",
        "f06093-siskiyou",
        "field-monitoring-stations",
        "geo",
        "geophysical-surveys",
        "geophysics",
        "geospatial-datasets",
        "geoss",
        "magnetic",
        "magnetic-field-earth",
        "magnetic-surveys",
        "mount-shasta",
        "mt-shasta",
        "national",
        "north-america",
        "residual-magnetic-field",
        "shasta",
        "total-field",
        "united-states",
        "usgs-68c2276a-4559-469b-851c-ff8ab41607ef" ;
    dcat:theme <%7Bgeospatial%7D> .

<https://data.amerigeoss.org/dataset/6ae4a874-5617-4b6b-bf86-a0a25445116a/resource/aec948fe-acfa-48f3-904a-4c2ad4f8e8ab> a dcat:Distribution ;
    dct:description "Landing page for access to the data" ;
    dct:format "XML" ;
    dct:issued "2022-08-06T16:23:08.509580"^^xsd:dateTime ;
    dct:modified "2025-11-19T14:53:47.690420"^^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/6ae4a874-5617-4b6b-bf86-a0a25445116a/resource/c972ef06-095f-41d8-a2cf-cc7acee265e0> a dcat:Distribution ;
    dct:description "The metadata original format" ;
    dct:format "XML" ;
    dct:issued "2022-08-06T16:23:08.509574"^^xsd:dateTime ;
    dct:modified "2025-11-19T14:53:47.689674"^^xsd:dateTime ;
    dct:title "Original Metadata" ;
    dcat:accessURL <https://data.usgs.gov/datacatalog/metadata/USGS.68c2276a-4559-469b-851c-ff8ab41607ef.xml> ;
    dcat:mediaType "text/xml" .

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