@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/41f27868-6da2-43d0-8594-0b77b9080d20> 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:223e0a1e-43ee-4ccb-9040-d2f1572dd2b5" ;
    dct:issued "2025-11-21T06:41:52.829133"^^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 ((-123.2200 45.4700, -123.2200 45.8300, -122.6000 45.8300, -122.6000 45.4700, -123.2200 45.4700))"^^gsp:wktLiteral ] ;
    dct:title "Airborne geophysical survey: Hillsboro Northwest, Oregon" ;
    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/41f27868-6da2-43d0-8594-0b77b9080d20/resource/451e37e8-ec58-4617-a6ef-10301b3eae0c>,
        <https://data.amerigeoss.org/dataset/41f27868-6da2-43d0-8594-0b77b9080d20/resource/943feddf-6efe-4ba1-a101-bc647ab514d8> ;
    dcat:keyword "aeromagnetic-data",
        "aeromagnetic-surveying",
        "airborne-surveys",
        "amerigeo",
        "amerigeoss",
        "ckan",
        "f41009-columbia",
        "f41051-multnomah",
        "f41067-washington",
        "f53011-clark",
        "field-monitoring-stations",
        "geo",
        "geophysical-surveys",
        "geophysics",
        "geospatial-datasets",
        "geoss",
        "hillsboro",
        "magnetic",
        "magnetic-field-earth",
        "magnetic-surveys",
        "national",
        "north-america",
        "or",
        "oregon",
        "residual-magnetic-field",
        "total-field",
        "united-states",
        "usgs-223e0a1e-43ee-4ccb-9040-d2f1572dd2b5" ;
    dcat:theme <%7Bgeospatial%7D> .

<https://data.amerigeoss.org/dataset/41f27868-6da2-43d0-8594-0b77b9080d20/resource/451e37e8-ec58-4617-a6ef-10301b3eae0c> a dcat:Distribution ;
    dct:description "The metadata original format" ;
    dct:format "XML" ;
    dct:issued "2022-07-07T15:58:48.516030"^^xsd:dateTime ;
    dct:modified "2025-11-21T06:41:52.814634"^^xsd:dateTime ;
    dct:title "Original Metadata" ;
    dcat:accessURL <https://data.usgs.gov/datacatalog/metadata/USGS.223e0a1e-43ee-4ccb-9040-d2f1572dd2b5.xml> ;
    dcat:mediaType "text/xml" .

<https://data.amerigeoss.org/dataset/41f27868-6da2-43d0-8594-0b77b9080d20/resource/943feddf-6efe-4ba1-a101-bc647ab514d8> a dcat:Distribution ;
    dct:description "Landing page for access to the data" ;
    dct:format "XML" ;
    dct:issued "2022-07-07T15:58:48.516040"^^xsd:dateTime ;
    dct:modified "2025-11-21T06:41:52.815047"^^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" .