@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/45be515f-bd5f-4fe0-874a-f1510663da47> 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:ab39f165-f2d1-4da2-a9b9-47323e5988ef" ;
    dct:issued "2025-11-21T09:12:25.514216"^^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 ((-124.0000 44.7500, -124.0000 45.5200, -123.1700 45.5200, -123.1700 44.7500, -124.0000 44.7500))"^^gsp:wktLiteral ] ;
    dct:title "Airborne geophysical survey: Yamhill-Tillamook, 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/45be515f-bd5f-4fe0-874a-f1510663da47/resource/5ccfe5e7-aa7a-4282-9b2e-654a26868f43>,
        <https://data.amerigeoss.org/dataset/45be515f-bd5f-4fe0-874a-f1510663da47/resource/aa88e1b5-7587-4b70-8dfe-ec20ced04c7c> ;
    dcat:keyword "aeromagnetic-data",
        "aeromagnetic-surveying",
        "airborne-surveys",
        "amerigeo",
        "amerigeoss",
        "ckan",
        "f41047-marion",
        "f41053-polk",
        "f41057-tillamook",
        "f41067-washington",
        "f41071-yamhill",
        "field-monitoring-stations",
        "geo",
        "geophysical-surveys",
        "geophysics",
        "geospatial-datasets",
        "geoss",
        "magnetic",
        "magnetic-field-earth",
        "magnetic-surveys",
        "national",
        "north-america",
        "or",
        "oregon",
        "residual-magnetic-field",
        "tillamook",
        "total-field",
        "united-states",
        "usgs-ab39f165-f2d1-4da2-a9b9-47323e5988ef",
        "yamhill" ;
    dcat:theme <%7Bgeospatial%7D> .

<https://data.amerigeoss.org/dataset/45be515f-bd5f-4fe0-874a-f1510663da47/resource/5ccfe5e7-aa7a-4282-9b2e-654a26868f43> a dcat:Distribution ;
    dct:description "The metadata original format" ;
    dct:format "XML" ;
    dct:issued "2022-07-07T14:41:56.043148"^^xsd:dateTime ;
    dct:modified "2025-11-21T09:12:25.499256"^^xsd:dateTime ;
    dct:title "Original Metadata" ;
    dcat:accessURL <https://data.usgs.gov/datacatalog/metadata/USGS.ab39f165-f2d1-4da2-a9b9-47323e5988ef.xml> ;
    dcat:mediaType "text/xml" .

<https://data.amerigeoss.org/dataset/45be515f-bd5f-4fe0-874a-f1510663da47/resource/aa88e1b5-7587-4b70-8dfe-ec20ced04c7c> a dcat:Distribution ;
    dct:description "Landing page for access to the data" ;
    dct:format "XML" ;
    dct:issued "2022-07-07T14:41:56.043155"^^xsd:dateTime ;
    dct:modified "2025-11-21T09:12:25.499657"^^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" .