@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/0639211c-55c1-4340-81a0-75354dc11c29> 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-15f0f0a6-010d-4668-90bf-ae8dab961f60> ;
    dct:issued "2025-09-23T16:55:00.534230"^^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 ((-72.0000 44.3800, -72.0000 44.4500, -71.5000 44.4500, -71.5000 44.3800, -72.0000 44.3800))"^^gsp:wktLiteral ] ;
    dct:title "Airborne geophysical survey: Sherbrooke-Lewiston '81 West, New Hampshire and Vermont" ;
    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/0639211c-55c1-4340-81a0-75354dc11c29/resource/0a36fd1c-535f-46f5-92c6-7f6b9232ab26>,
        <https://data.amerigeoss.org/dataset/0639211c-55c1-4340-81a0-75354dc11c29/resource/ef6bf735-5632-415b-b847-24a68200bc33> ;
    dcat:keyword "AmeriGEO",
        "AmeriGEOSS",
        "CKAN",
        "GEO",
        "GEOSS",
        "National",
        "North America",
        "United States",
        "aeromagnetic-data",
        "aeromagnetic-surveying",
        "airborne-surveys",
        "f33007-coos",
        "f33009-grafton",
        "f50005-caledonia",
        "f50009-essex",
        "field-monitoring-stations",
        "geophysical-surveys",
        "geophysics",
        "geospatial-datasets",
        "lewiston",
        "magnetic",
        "magnetic-field-earth",
        "magnetic-surveys",
        "new-hampshire",
        "nh",
        "residual-magnetic-field",
        "sherbrooke",
        "total-field",
        "united-states",
        "usgs-15f0f0a6-010d-4668-90bf-ae8dab961f60",
        "vermont",
        "vt" ;
    dcat:theme <%7Bgeospatial%7D> .

<https://data.amerigeoss.org/dataset/0639211c-55c1-4340-81a0-75354dc11c29/resource/0a36fd1c-535f-46f5-92c6-7f6b9232ab26> a dcat:Distribution ;
    dct:description "The metadata original format" ;
    dct:format "XML" ;
    dct:issued "2025-09-17T02:07:13.533409"^^xsd:dateTime ;
    dct:modified "2025-09-23T16:55:00.501304"^^xsd:dateTime ;
    dct:title "Original Metadata" ;
    dcat:accessURL <https://data.usgs.gov/datacatalog/metadata/USGS.15f0f0a6-010d-4668-90bf-ae8dab961f60.xml> ;
    dcat:mediaType "text/xml" .

<https://data.amerigeoss.org/dataset/0639211c-55c1-4340-81a0-75354dc11c29/resource/ef6bf735-5632-415b-b847-24a68200bc33> a dcat:Distribution ;
    dct:description "Landing page for access to the data" ;
    dct:format "XML" ;
    dct:issued "2025-09-13T23:58:06.499701"^^xsd:dateTime ;
    dct:modified "2025-09-23T16:55:00.500180"^^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" .