@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/7cef7d76-3670-4c42-94bd-e724b764f829> 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:730b5bdb-f5ae-48a6-b381-c6deafb630ef" ;
    dct:issued "2025-11-22T22:09:36.520131"^^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 ((-88.3000 46.8000, -88.3000 46.9200, -88.0000 46.9200, -88.0000 46.8000, -88.3000 46.8000))"^^gsp:wktLiteral ] ;
    dct:title "Airborne geophysical survey: Jacobsville Contact North, Michigan Survey Part 2 of 2" ;
    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/7cef7d76-3670-4c42-94bd-e724b764f829/resource/72c1b937-d52c-43e4-88fc-9b0a61a4dd32>,
        <https://data.amerigeoss.org/dataset/7cef7d76-3670-4c42-94bd-e724b764f829/resource/8eb45ba5-7575-4f12-8644-69207acbafd9> ;
    dcat:keyword "aeromagnetic-data",
        "aeromagnetic-surveying",
        "airborne-surveys",
        "amerigeo",
        "amerigeoss",
        "ckan",
        "f26013-baraga",
        "f26103-marquette",
        "field-monitoring-stations",
        "geo",
        "geophysical-surveys",
        "geophysics",
        "geospatial-datasets",
        "geoss",
        "jacobsville-contact-north",
        "magnetic",
        "magnetic-field-earth",
        "magnetic-surveys",
        "mi",
        "michigan",
        "national",
        "north-america",
        "residual-magnetic-field",
        "total-field",
        "united-states",
        "usgs-730b5bdb-f5ae-48a6-b381-c6deafb630ef",
        "wi",
        "wisconsin" ;
    dcat:theme <%7Bgeospatial%7D> .

<https://data.amerigeoss.org/dataset/7cef7d76-3670-4c42-94bd-e724b764f829/resource/72c1b937-d52c-43e4-88fc-9b0a61a4dd32> a dcat:Distribution ;
    dct:description "The metadata original format" ;
    dct:format "XML" ;
    dct:issued "2022-07-28T20:30:35.768794"^^xsd:dateTime ;
    dct:modified "2025-11-22T22:09:36.505071"^^xsd:dateTime ;
    dct:title "Original Metadata" ;
    dcat:accessURL <https://data.usgs.gov/datacatalog/metadata/USGS.730b5bdb-f5ae-48a6-b381-c6deafb630ef.xml> ;
    dcat:mediaType "text/xml" .

<https://data.amerigeoss.org/dataset/7cef7d76-3670-4c42-94bd-e724b764f829/resource/8eb45ba5-7575-4f12-8644-69207acbafd9> a dcat:Distribution ;
    dct:description "Landing page for access to the data" ;
    dct:format "XML" ;
    dct:issued "2022-07-28T20:30:35.768801"^^xsd:dateTime ;
    dct:modified "2025-11-22T22:09:36.505525"^^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" .