@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/4fb8ea6e-7b5e-4402-a617-cdfc5ad2f9e8> 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:8378a753-20ff-4363-98c1-db3598a17b5d" ;
    dct:issued "2025-11-21T15:21:37.616466"^^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 ((-111.6800 33.9000, -111.6800 34.3200, -111.3800 34.3200, -111.3800 33.9000, -111.6800 33.9000))"^^gsp:wktLiteral ] ;
    dct:title "Airborne geophysical survey: Mazatzal, Arizona" ;
    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/4fb8ea6e-7b5e-4402-a617-cdfc5ad2f9e8/resource/3114f4b8-83f1-4c84-b96f-a742cbf025d3>,
        <https://data.amerigeoss.org/dataset/4fb8ea6e-7b5e-4402-a617-cdfc5ad2f9e8/resource/f075a54a-88b2-4e73-b8a6-5f7698e345af> ;
    dcat:keyword "aeromagnetic-data",
        "aeromagnetic-surveying",
        "airborne-surveys",
        "amerigeo",
        "amerigeoss",
        "arizona",
        "az",
        "ckan",
        "f04007-gila",
        "f04013-maricopa",
        "f04025-yavapai",
        "field-monitoring-stations",
        "geo",
        "geophysical-surveys",
        "geophysics",
        "geospatial-datasets",
        "geoss",
        "magnetic",
        "magnetic-field-earth",
        "magnetic-surveys",
        "mazatzal",
        "national",
        "north-america",
        "residual-magnetic-field",
        "total-field",
        "united-states",
        "usgs-8378a753-20ff-4363-98c1-db3598a17b5d" ;
    dcat:theme <%7Bgeospatial%7D> .

<https://data.amerigeoss.org/dataset/4fb8ea6e-7b5e-4402-a617-cdfc5ad2f9e8/resource/3114f4b8-83f1-4c84-b96f-a742cbf025d3> a dcat:Distribution ;
    dct:description "Landing page for access to the data" ;
    dct:format "XML" ;
    dct:issued "2022-07-07T14:47:55.350066"^^xsd:dateTime ;
    dct:modified "2025-11-21T15:21:37.603011"^^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/4fb8ea6e-7b5e-4402-a617-cdfc5ad2f9e8/resource/f075a54a-88b2-4e73-b8a6-5f7698e345af> a dcat:Distribution ;
    dct:description "The metadata original format" ;
    dct:format "XML" ;
    dct:issued "2022-07-07T14:47:55.350059"^^xsd:dateTime ;
    dct:modified "2025-11-21T15:21:37.602595"^^xsd:dateTime ;
    dct:title "Original Metadata" ;
    dcat:accessURL <https://data.usgs.gov/datacatalog/metadata/USGS.8378a753-20ff-4363-98c1-db3598a17b5d.xml> ;
    dcat:mediaType "text/xml" .

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